Northern Natural Gas Company P.O. Box 3330 Omaha, NE 68103-0330 402 398-7200 March 31, 2016 Ms. Kimberly D. Bose, Secretary Federal Energy Regulatory Commission 888 First Street, N.E. Washington, D.C. 20426 RE: Northern Natural Gas Company Docket No. RP16-______ Negotiated Rate Transactions Dear Ms. Bose: Northern Natural Gas Company (Northern) hereby submits for filing as part of its F.E.R.C. Gas Tariff, Sixth Revised Volume No. 1 (Tariff), the following tariff sheets to be effective on April 1, 2016: SIXTH REVISED VOLUME NO. 1 Seventh Revised Sheet No. 66 Eighth Revised Sheet No. 66A Sixth Revised Sheet No. 66B Fifth Revised Sheet No. 66B.01 Nineteenth Revised Sheet No. 66B.01a Twenty Third Revised Sheet No. 66B.01b Seventeenth Revised Sheet No. 66B.01c Fourth Revised Sheet No. 66B.02 Fourth Revised Sheet No. 66B.03 Seventh Revised Sheet No. 66B.04 Fourth Revised Sheet No. 66B.05 Fourth Revised Sheet No. 66B.06 Second Revised Sheet No. 66B.07 Fourth Revised Sheet No. 66B.08 Third Revised Sheet No. 66B.09 Second Revised Sheet No. 66B.10 First Revised Sheet No. 66B.11 Second Revised Sheet No. 66B.12 Fourth Revised Sheet No. 66B.13 Seventh Revised Sheet No. 66B.13a Kimberly D. Bose, Secretary March 31, 2016 Page 2 of 6 Third Revised Sheet No. 66B.14 Fourth Revised Sheet No. 66B.15 Eighth Revised Sheet No. 66B.16 Tenth Revised Sheet No. 66B.17 Fifth Revised Sheet No. 66B.19 Sixth Revised Sheet No. 66B.20 Thirteenth Revised Sheet No. 66B.21 Sixteenth Revised Sheet No. 66B.22 Twenty Fourth Revised Sheet No. 66B.23 Fourteenth Revised Sheet No. 66B.24 Eighth Revised Sheet No. 66B.25 Eleventh Revised Sheet No. 66B.26 Third Revised Sheet No. 66B.27 Second Revised Sheet No. 66B.28 Fifth Revised Sheet No. 66B.29 Reason for Filing On June 7, 1996 in Docket No. RP96-272-000, Northern filed tariff sheets to give it the ability to negotiate rates in accordance with the Commission’s Policy Statement on Alternatives to Traditional Cost-of-Service Ratemaking for Natural Gas Pipelines, issued January 31, 1996 in Docket No. RM95-6-000 (Policy Statement).1 The Commission accepted the tariff sheets in an order issued July 5, 1996 (1996 Order). The reason for this filing is to: 1) add a new negotiated rate agreement with Hess Corporation (Hess); 2) remove expired transactions with Frontier Ethanol, LLC (Frontier Ethanol), Flint Hills Resources Fairbank, LLC (Flint Hills), Great River Energy (GRE), Pioneer Natural Resources USA, Inc. (Pioneer), Tenaska Marketing Ventures (Tenaska), Freepoint Commodities LLC (Freepoint) and ETC Marketing, Ltd. (ETC), from the Tariff; and 3) to make other minor changes, as explained in more detail below. New Transactions Sheet No. 66B.01a provides the requisite information concerning the new negotiated rate service agreement with Hess, including the legal name of the shipper, applicable Rate Schedule, applicable receipt and delivery points, term of service, volume and a statement affirming that the negotiated rate service agreement does not deviate in any material aspect from the form of service agreement in Northern’s FERC Gas Tariff. Sheet No. 66B.15 contains the negotiated rate provisions and other applicable charges for the Hess agreement. In addition, this negotiated rate transaction shall be reflected on Northern’s transactional report pursuant to Order Nos. 637, 637A, and 637B. Finally, in accordance with the Commission’s 1996 Order, Northern will keep separate and identifiable its negotiated 1 74 FERC ¶ 61,076 (1996). Kimberly D. Bose, Secretary March 31, 2016 Page 3 of 6 rate information in such form that it can be filed and separately totaled, in particular, as part of and in the format of Statements G, I, and J in Northern’s future rate cases. Removal of Expired Transactions Northern is also filing to remove expired negotiated rate transactions for: Frontier Ethanol from Sheet Nos. 66 and 66B.03 (footnote 7) Flint Hills from Sheet Nos. 66 and 66B.03 (footnote 9) GRE from Sheet Nos. 66B.01a and 66B.17 (footnote 147) Pioneer from Sheet Nos. 66B.01b and 66B.25 (footnote 181) Tenaska from Sheet Nos. 66B.01c and 66B.27 (footnote 184) Freepoint from Sheet Nos. 66B.01c and 66B.28 (footnote 185) ETC from Sheet Nos. 66B.01c and 66B.29 (footnote 187) Minor Changes The following footnotes have been moved verbatim to the following tariff sheets: Transactions associated with footnotes #23, 30, 33, 37, 47 & 48 from Sheet No. 66A to Sheet No. 66 Transactions associated with footnotes #52, 54, 55 & 91 from Sheet No. 66B to Sheet No. 66A Transaction associated with footnote #129 from Sheet No. 66B.01 to Sheet No. 66A Transactions associated with footnotes #130, 131 & 134 from Sheet No. 66B.01 to Sheet No. 66B Transactions associated with footnotes #141, 144, 154 & 155 from Sheet No. 66B.01a to Sheet No. 66B Transactions associated with footnotes #156 through 159 from Sheet No. 66B.01a to Sheet No. 66B.01 Transactions associated with footnotes #160, 163, 177 through 180 from Sheet No. 66B.01b to Sheet No. 66B.01 Transactions associated with footnote #183 from Sheet No. 66B.01b to Sheet No. 66B.01a Transaction associated with footnote #188 from Sheet No. 66B.01c to Sheet No. 66B.01a Footnotes #10 & 11 from Sheet No. 66B.03 to Sheet No. 66B.02 Footnotes #15 & 21 from Sheet No. 66B.04 to Sheet No. 66B.02 Footnote #23 from Sheet No. 66B.04 to Sheet No. 66B.03 Footnote #30 from Sheet No. 66B.05 to Sheet No. 66B.03 Footnotes #33 & 37 from Sheet No. 66B.06 to Sheet No. 66B.03 Footnotes #47 & 48 from Sheet No. 66B.07 to Sheet No. 66B.04 Footnote #49 from Sheet No. 66B.08 to Sheet No. 66B.05 Footnote #50 from Sheet No. 66B.09 to Sheet No. 66B.06 Footnote #52 from Sheet No. 66B.10 to Sheet No. 66B.06 Kimberly D. Bose, Secretary March 31, 2016 Page 4 of 6 Footnote #54 from Sheet No. 66B.11 to Sheet No. 66B.06 Footnote #55 from Sheet No. 66B.11 to Sheet No. 66B.07 Footnote #91 from Sheet No. 66B.12 to Sheet No. 66B.07 Footnote #129 from Sheet No. 66B.14 to Sheet No. 66B.08 Footnote #130 from Sheet No. 66B.15 to Sheet No. 66B.08 Footnote #131 from Sheet No. 66B.15 to Sheet No. 66B.09 Footnotes #134 & 141 from Sheet No. 66B.16 to Sheet No. 66B.09 Footnote #144 from Sheet No. 66B.16 to Sheet No. 66B.10 Footnote #154 from Sheet No. 66B.19 to Sheet No. 66B.10 Footnote #155 from Sheet No. 66B.20 to Sheet No. 66B.11 Footnotes #156 through 160 from Sheet No. 66B.21 to Sheet No. 66B.12 Footnote #163 from Sheet No. 66B.22 to Sheet No. 66B.12 Footnote #177 from Sheet No. 66B.23 to Sheet No. 66B.13 Footnotes #178 & 179 from Sheet No. 66B.24 to Sheet No. 66B.13a Footnote #180 from Sheet No. 66B.25 to Sheet No. 66B.14 Footnote #183 from Sheet No. 66B.26 to Sheet No. 66B.14 Footnote #188 from Sheet No. 66B.29 to Sheet No. 66B.15 Sheet Nos. 66B.01b, 66B.01c, and 66B.16 through 66B.29 have been reserved for future use Waivers In the Policy Statement, the Commission stated that it would “readily grant requests to waive the 30-day notice requirement” for negotiated rate filings.2 Accordingly, Northern respectfully requests that the Commission grant waiver of section 154.207 and any other waivers of its Regulations that it deems necessary to allow this filing to become effective April 1, 2016. 2 74 FERC ¶ 61,076 at 61,241-2 (1996). See NorAm Gas Transmission Company, 77 FERC ¶ 61,011 at 61,034-5 (1996). Kimberly D. Bose, Secretary March 31, 2016 Page 5 of 6 Posting Northern has served an electronic copy of this filing upon its customers and interested state regulatory commissions. Marked Version In accordance with Section 154.201 of the Commission’s Regulations, Northern has submitted a marked version of the proposed tariff changes highlighting new additions and showing deletions by strikeout. Motion In accordance with Sections 154.7(a)(9) and 154.206(c) of the Commission’s Regulations, Northern hereby moves to place the tariff sheets referenced herein in effect as of the end of any suspension period ordered by the Commission. Data Processing Requirements Northern is submitting this filing through FERC’s electronic tariff filing process in a FERC-approved format. Kimberly D. Bose, Secretary March 31, 2016 Page 6 of 6 Communication It is respectfully requested that all Commission orders and correspondence, as well as pleadings and correspondence from other persons concerning this filing, be served upon each of the following: Laura Demman Vice President, Regulatory and Government Affairs Northern Natural Gas Company 1111 South 103rd Street Omaha, NE 68124-1000 (402) 398-7278 laura.demman@nngco.com Thomas Knight Steve Stojic Jennifer L. Brough Locke Lord LLP 701 8th Street, N.W., Suite 700 Washington, D.C. 20001 (202) 220-6922 tknight@lockelord.com steve.stojic@lockelord.com jbrough@lockelord.com Respectfully submitted, /s/ Laura Demman Laura Demman Vice President, Regulatory and Government Affairs Attachments J. Gregory Porter Vice President, General Counsel & Chief Compliance Officer Dari R. Dornan Senior Counsel Northern Natural Gas Company 1111 South 103rd Street Omaha, NE 68124-1000 (402) 398-7077 greg.porter@nngco.com dari.dornan@nngco.com Northern Natural Gas Company FERC Gas Tariff Sixth Revised Volume No. 1 Seventh Revised Sheet No. 66 Superseding Sixth Revised Sheet No. 66 STATEMENT OF NEGOTIATED RATES 1/ Shipper Name Rate Schedule Negotiated Rate Other Charges Volume Receipt Point(s) Delivery Point(s)______ Otter Creek Ethanol, LLC Contract 110231 TFX 5/ 5,500 All Market Area Receipt Points All Market Area Delivery Points Valero Renewable Fuels Company, LLC Contract 111851 TFX 10/ 9,400 NBPL/NNG Ventura US Bio Albert City Prairie Ethanol, LLC Contract 113203 TFX 15/ 6,000 NBPL/NNG Zone ABC Ventura Northwestern NBPL/NNG Welcome Siouxland Ethanol, LLC Contract 112202 TFX 21/ 4,500 All Market Area Receipt Points Valero Renewable Fuels Company, LLC Contract 112257 TFX 23/ 10,000 All Market Area Delivery Points NBPL/NNG Ventura NNG Demarcation Ogden Deferred Delivery Verasun Charles City Ogden Deferred Delivery Valero Renewable Fuels Company, LLC Contract 113108 TFX 30/ 10,000 NBPL/NNG Ventura Verasun Hartley Ethanol Green Plains Superior LLC Contract 112698 TFX 33/ 4,600 NBPL/NNG Ventura Ogden Deferred Superior Ethanol Ogden Deferred Al-Corn Clean Fuel Contract 114009 TFX 37/ 850 All Market Area Receipt Points All Market Area Delivery Points Flint Hills Resources Menlo, LLC Contract 113368 TFX 47/ 10,000 NBPL/NNG Ventura FHR Menlo Flint Hills Resources Arthur, LLC Contract 113789 TFX 48/ 9,500 NBPL/NNG Welcome Ogden Deferred Delivery FHR Arthur Issued On: March 31, 2016 Ogden Deferred Delivery Effective On: April 1, 2016 Northern Natural Gas Company FERC Gas Tariff Sixth Revised Volume No. 1 Eighth Revised Sheet No. 66A Superseding Seventh Revised Sheet No. 66A STATEMENT OF NEGOTIATED RATES 1/ Shipper Name Rate Schedule Negotiated Rate Other Charges Volume Receipt Point(s) Delivery Point(s)_____ Archer Daniels Midland Company Contract 113380 TF 49/ 24,000 All Market Area Columbus #4 Receipt Points (Archer Daniels Midland) Cedar Rapids/ Vinton TBS Des Moines #1a Fremont #1 Lincoln #1B Zone ABC MidAmerican Mankato #1A Flint Hills Resources Shell Rock, LLC Contract 113737 TFX 50/ 10,000 NBPL/NNG Ventura Ogden Deferred Delivery FHR Shell Rock Sioux Valley Investments, L.L.C. Contract 113779 TFX 52/ 208 All Market Area Receipt Points All Market Area Delivery Points Northern States Power Company - Wisconsin Contract 114467 TFX 54/ 2,800 All Market Area Receipt Points All Market Area Delivery Points Quad County Corn Processors Cooperative Contract 113782 TFX 55/ 10 All Market Area Receipt Points All Market Area Delivery Points Wisconsin Gas LLC Contract 118499 TFX 91/ 1,300 GRLKS/NNG Carlton Zone EF - Wisconsin Gas for ultimate Redelivery to Grantsburg TBS #1 Northern States Power Company, A Minnesota Corporation Contract 117729 TFX 129/ 27,360 All Market Area Receipt Points Angus C. Anson TBS #1 Black Dog Power Plant Blue Lake Power Station Cannon Falls Energy Center High Bridge Power Plant Inver Hills Power Plant Mankato Energy Center Ogden Def. Delivery for ultimate redelivery to any power plants referenced herein Riverside Power Plant Issued On: March 31, 2016 Ogden Deferred Delivery Effective On: April 1, 2016 Northern Natural Gas Company FERC Gas Tariff Sixth Revised Volume No. 1 Sixth Revised Sheet No. 66B Superseding Fifth Revised Sheet No. 66B STATEMENT OF NEGOTIATED RATES 1/ Shipper Name Rate Schedule Negotiated Rate Other Charges Volume Receipt Point(s) Delivery Point(s)___ Northern States Power Company, TFX A Minnesota Corporation Contract 117730 130/ 41,560 All Market Area Receipt Points Angus C. Anson TBS #1 Black Dog Power Plant Blue Lake Power Station Cannon Falls Energy Center High Bridge Power Plant Inver Hills Power Plant Mankato Energy Center Ogden Def. Delivery for ultimate redelivery to any power plants referenced herein Riverside Power Plant Northern States Power Company, TFX A Minnesota Corporation Contract 117731 131/ 31,080 All Market Area Receipt Points Angus C. Anson TBS #1 Black Dog Power Plant Blue Lake Power Station Cannon Falls Energy Center High Bridge Power Plant Inver Hills Power Plant Mankato Energy Center Ogden Def. Delivery for ultimate redelivery to any power plants referenced herein Riverside Power Plant Dooley’s Natural Gas, LLC Contract 124101 TFX 134/ 3,360 All Market Area Receipt Points All Market Area Delivery Points Superior Pipeline Texas, L.L.C. Contract 125122 TFX 141/ 10,000 Superior NNG Demarcation Hemphill Co Plant Cargill, Incorporated Contract 124467 TFX 144/ 15,000 NBPL/NNG Ventura Fort Dodge West Zone ABC – MidAmerican for ultimate redelivery to Fort Dodge West Interstate Power and Light Company Contract 125799 TFX 154/ 430 All Market Area Receipt Points Zone ABC-Interstate Power and Light for ultimate redelivery to Albert City IA #1 or Sibley IA #1 Albert City IA #1 Sibley IA #1 CF Industries Nitrogen, LLC Contract 126385 TFX 155/ 88,000 All Market Area Receipt Points CF Industries Port Neal 2 Issued On: March 31, 2016 Effective On: April 1, 2016 Northern Natural Gas Company FERC Gas Tariff Sixth Revised Volume No. 1 Fifth Revised Sheet No. 66B.01 Superseding Fourth Revised Sheet No. 66B.01 STATEMENT OF NEGOTIATED RATES 1/ Rate Schedule Negotiated Rate Midwest Natural Gas, Inc. Contract 127848 TFX 156/ 1,422 All Market Area Receipt Points All Market Area Delivery Points Great Plains Natural Gas Co. Contract 127797 TFX 157/ 1,000 All Market Area Receipt Points All Market Area Delivery Points Dooley’s Natural Gas II, LLC Contract 127785 TFX 158/ 4,300 All Market Area Receipt Points All Market Area Delivery Points Dooley’s Natural Gas II, LLC Contract 127787 TFX 159/ 1,900 All Market Area Receipt Points All Market Area Delivery Points Valent Biosciences Corporation Contract 127771 TFX 160/ 1,300 All Market Area Receipt Points Zone ABC-Osage for redelivery to Osage IA #1 Osage IA #1 Ogden Def. Delivery Grain Millers, Inc. Contract 127718 TFX 163/ 250 All Market Area Receipt Points St Ansgar IA #1 Zone ABC-Black Hills And Ogden Def. Delivery for redelivery to St Ansgar IA #1 Interstate Power and Light Company Contract 128848 TFX 177/ 2,000 All Market Area Receipt Points All Market Area Delivery Points MidAmerican Energy Company Contract 116047 TFX 178/ 15,154 All Market Area Receipt Points All Market Area Delivery Points Rock Rapids Municipal Utilities Contract 128843 TFX 179/ 200 All Market Area Receipt Points All Market Area Delivery Points Flint Hills Resources Arthur, LLC Contract 128837 TFX 180/ 500 All Market Area Receipt Points All Market Area Delivery Points Shipper Name Issued On: March 31, 2016 Other Charges Volume Receipt Point(s) Delivery Point(s)___ Effective On: April 1, 2016 Northern Natural Gas Company FERC Gas Tariff Sixth Revised Volume No. 1 Nineteenth Revised Sheet No. 66B.01a Superseding Eighteenth Revised Sheet No. 66B.01a STATEMENT OF NEGOTIATED RATES 1/ Shipper Name Rate Schedule Negotiated Rate Other Charges Volume Receipt Point(s) _ Delivery Point(s)__ Occidental Energy Marketing, Inc. Contract 129809 TFX 183/ 5,200 Occidental Permian Gaines DCP Fullerton Plant MID 1-7 Pooling NNG Demarcation Atmos Spraberry El Paso/NNG Plains 26” (Del) EL Pas/NNG Waha Enterprise Texas Pipeline Spraberry MID 1-7 Pooling Oasis/NNG Waha Occidental Permian/ Hobbs City of Sioux Center Contract 128839 TFX 188/ 400 All Market Area Receipt Points All Market Area Delivery Points Hess Corporation Contract 118641 TFX 189/ 30,000 Issued On: March 31, 2016 MID Continent Hess Seminole C02 Pool Plant Permian Pooling Point All Field Area Receipt Points (including pools) Effective On: April 1, 2016 Northern Natural Gas Company FERC Gas Tariff Sixth Revised Volume No. 1 Twenty Third Revised Sheet No. 66B.01b Superseding Twenty Second Revised Sheet No. 66B.01b Sheet No. 66B.01b is Reserved for Future Use. Issued On: March 31, 2016 Effective On: April 1, 2016 Northern Natural Gas Company FERC Gas Tariff Sixth Revised Volume No. 1 Seventeenth Revised Sheet No. 66B.01c Superseding Sixteenth Revised Sheet No. 66B.01c Sheet No. 66B.01c is Reserved for Future Use. Issued On: March 31, 2016 Effective On: April 1, 2016 Northern Natural Gas Company FERC Gas Tariff Sixth Revised Volume No. 1 Fourth Revised Sheet No. 66B.02 Superseding Third Revised Sheet No. 66B.02 1/ Unless otherwise noted, negotiated Service Agreements do not deviate in any material respect from the applicable form of service agreement set forth in Northern's FERC Gas Tariff. 3/ The rate stated in the Negotiated Rate column is exclusive of all surcharges. 5/ For the period 02/01/2014 until 01/31/2019, Shipper shall pay a base reservation rate equal to maximum rates provided in Northern's FERC Gas Tariff, as revised from time to time, plus $0.02/Dth/day. In addition, Shipper shall (i) pay a commodity rate equal to the maximum commodity rate provided in Northern's FERC Gas Tariff as revised from time to time, (ii) provide any applicable fuel use and unaccounted for, and (iii) pay all FERC-approved surcharges applicable to the service provided hereunder. 10/ For the period 10/01/2006 through 09/30/2016 for the contract MDQ, Shipper shall pay a total monthly reservation charge equal to $0.3600/Dth multiplied by the contract MDQ multiplied by 30.4. In addition, Shipper shall pay a commodity rate equal to the maximum rate provided in Northern's FERC Gas Tariff as amended from time to time. These rates include the applicable Annual Charge Adjustment and electric compression charges. In addition to the above rate(s), Shipper shall pay any applicable fuel use and unaccounted for. 11/ As noted on Tariff Sheet Nos. 80, 80A or 80B this contract is also a non-conforming agreement. 15/ For the period 11/01/2006 until 10/31/2016 Shipper shall pay a monthly firm reservation charge equal to the MDQ multiplied by $0.363/Dth/day multiplied by 30.4. In addition, Shipper shall pay the maximum commodity rate as specified in Northern's Tariff, as amended from time to time, for all volumes delivered; plus all current and future applicable surcharges. In addition, Shipper shall pay fuel use and unaccounted for and electric compression charges in accordance with Northern's FERC Gas Tariff. The rate is applicable from any Market Area receipt point for deliveries to the Ethanol Plant Primary Delivery Point. If on any day Shipper uses any of the entitlement identified in this Agreement at any other delivery point, the rate will not be applicable. If this entitlement is used at any other delivery point during one day of a month, the contract rate for the month for such volume used at any other delivery point shall be the maximum TFX tariff rate for the month multiplied by 2. 21/ For the period 3/01/2007 until 02/28/2017, for the contract MDQ, Shipper shall pay a total monthly reservation charge equal to $0.3367/Dth multiplied by the contract MDQ multiplied by 30.4. In addition, Shipper shall pay a commodity rate equal to the maximum rate provided in Northern's FERC Gas Tariff as amended from time to time. These rates include the applicable Annual Charge Adjustment and electronic compression charges. In addition to the above rate(s), Shipper shall pay any applicable fuel use and unaccounted for. The rate stated herein is applicable to the receipt and (or) delivery points listed. Shipper agrees that if any other receipt or delivery points (POI) are used either on a primary or alternate basis, the higher of the maximum annual average rates or the $0.3367/Dth/day rate will apply for the entire contract during the month that any points not listed are used. In addition to the above rates, Shipper shall pay the FERC approved Carlton surcharge and all FERC approved surcharges that are made effective after the effective date of this Amendment and applicable to the service provided hereunder. Issued On: March 31, 2016 Effective On: April 1, 2016 Northern Natural Gas Company FERC Gas Tariff Sixth Revised Volume No. 1 23/ Fourth Revised Sheet No. 66B.03 Superseding Third Revised Sheet No. 66B.03 For the period 4/1/2007 through 4/30/2017, for the contract MDQ, Shipper shall pay a total monthly reservation charge equal to $0.3366/Dth multiplied by the contract MDQ multiplied by 30.4. In addition, Shipper shall pay a commodity rate equal to the maximum rate provided in Northern's FERC Gas Tariff as amended from time to time. These rates include the applicable Annual Charge Adjustment and electric compression charges. In addition to the above rates, Shipper shall pay any applicable fuel use and unaccounted for. In addition to the above rates, Shipper shall pay the FERC approved Carlton surcharge and all FERC approved surcharges that are made effective after the effective date of this Amendment and applicable to the service provided hereunder. 30/ For the period 11/1/2007 through 10/31/2019, Shipper shall pay a monthly reservation charge equal to $0.3465/Dth/day multiplied by the contract MDQ multiplied by 30.4. In addition, Shipper shall pay a commodity rate equal to the maximum rate provided in Northern's FERC Gas Tariff as amended from time to time. These rates include the applicable Annual Charge Adjustment and electric compression charges. In addition to the above rate(s), Shipper shall pay any applicable fuel use and unaccounted for. In addition to the above rates, Shipper shall pay all FERC approved surcharges that are effective after the effective date of this Amendment and applicable to the service provided hereunder. 33/ For the period 11/1/2007 through 10/31/2017, Shipper shall pay a total monthly reservation charge equal to $0.4329/Dth/day multiplied by the contract MDQ multiplied by 30.4. In addition, Shipper shall pay a commodity rate equal to the maximum rate provided in Northern's FERC Gas Tariff as amended from time to time. These rates include the applicable Annual Charge Adjustment and electric compression charges. In addition to the above rate(s), Shipper shall pay any applicable fuel use and unaccounted for. In addition to the above rates, Shipper shall pay all FERC approved surcharges that are made effective after the effective date of this Amendment and applicable to the service provided hereunder. 37/ For the period 04/01/2008 through 03/31/2018, for the contract MDQ, Shipper shall pay a total monthly reservation rate equal to $0.3367/DTH multiplied by the contract MDQ multiplied by 30.4. In addition, Shipper shall pay a commodity rate equal to the maximum rate provided in Northern's FERC Gas Tariff as revised from time to time. These rates include the applicable Annual Charge Adjustment and electric compression charges. In addition to the above rate(s), Shipper shall provide any applicable fuel use and unaccounted for. The negotiated rate stated above is applicable to all receipt and delivery points in Northern's Market Area; provided, however, if the negotiated rate stated herein becomes less than the annual average of the maximum rates set forth in Northern's FERC Gas Tariff, such rate would be applicable only to the receipt and delivery points listed below. In such event, if any other points are used either on a primary or alternate basis, the negotiated rate will not be applicable and the annual average of the applicable maximum rate will apply for the entire contract during the month that any points not listed are used. In addition to the above rate(s), Shipper shall pay (a) the FERC approved Carlton surcharge, if applicable, and (b) all FERC approved surcharges that are made effective after the effective date of this Amendment and applicable to the service provided hereunder. Issued On: March 31, 2016 Effective On: April 1, 2016 Northern Natural Gas Company FERC Gas Tariff Sixth Revised Volume No. 1 Seventh Revised Sheet No. 66B.04 Superseding Sixth Revised Sheet No. 66B.04 47/ For the period 07/01/2008 through 06/30/2018, for the contract MDQ, Shipper shall pay a total monthly reservation charge equal to $0.7207/Dth multiplied by the contract MDQ multiplied by 30.4. In addition, Shipper shall pay a commodity rate equal to the minimum rate provided in Northern's FERC Gas Tariff as amended from time to time. These rates include the applicable Annual Charge Adjustment and electric compression charges. In addition to the above rate(s), Shipper shall provide any applicable fuel use and unaccounted for. In addition to the above rates, Shipper shall pay (i) the FERC approved Carlton surcharge and (ii) all FERC approved surcharges that are made effective after the effective date of this Amendment and applicable to the service provided hereunder. 48/ For the period 07/01/2008 through 07/15/2008, for the contract MDQ, Shipper shall pay a base reservation rate equal to $0.0000/DTH/day, and a commodity rate equal to the maximum rate provided in Northern's FERC Gas Tariff. These rates include the applicable Annual Charge Adjustment and electric compression charges. For the period 07/16/2008 through 08/31/2018, for the contract MDQ, Shipper shall pay a total monthly reservation rate equal to $0.4583/DTH multiplied by the contract MDQ multiplied by 30.4. In addition, Shipper shall pay a commodity rate equal to the maximum rate provided in Northern's FERC Gas Tariff as revised from time to time. These rates include the applicable Annual Charge Adjustment and electric compression charges. For the period 07/16/2008 through 08/31/2008, the contract MDQ shall be 0 DTH/day. For the month of September 2008, Shipper shall pay an additional reservation charge equal to a one-time total of $202,915.00. In addition to the above rate(s), Shipper shall pay any applicable fuel use and unaccounted for. In addition to the above rate(s), Shipper shall pay (i) the FERC approved Carlton surcharge and (ii) all FERC approved surcharges that are made effective after the effective date of this Amendment and applicable to the service provided hereunder. Issued On: March 31, 2016 Effective On: April 1, 2016 Northern Natural Gas Company FERC Gas Tariff Sixth Revised Volume No. 1 49/ Fourth Revised Sheet No. 66B.05 Superseding Third Revised Sheet No. 66B.05 For the period 03/01/2009 through 10/31/2018, Shipper shall pay a base reservation rate equal to an annual average rate of $0.2200/DTH/day, inclusive of surcharges, and a commodity rate equal to the maximum rate provided in Northern's FERC Gas Tariff as revised from time to time; plus: Whenever Shipper utilizes Demarcation as a alternate receipt point, one or a combination of the following; as applicable, to reflect Shipper's actual gas purchase costs on any given day, on all volumes actually receipted by Shipper at Demarcation for service under this Agreement: i. For volumes purchased on a daily basis, fifty percent (50%) of the difference between the daily "Gas Daily" Index prices at the Ventura and Demarcation pricing points on Northern, ii. For volumes purchased and base loaded for the month, fifty percent (50%) of the difference between the "Inside FERC" First of the Month Index prices at the Ventura and Demarcation pricing points on Northern. Shipper shall provide Northern the applicable index price(s) subject to reasonable verification by Northern. This sharing mechanism is only applicable when the Ventura price is higher than the Demarcation price; or Whenever Shipper uses an alternate receipt point other than Demarcation, fifty-percent (50%) of the difference between the daily prices at the alternate receipt point and the daily "Gas Daily" Index price at the Ventura pricing point on Northern on all volumes actually receipted by Shipper at the alternate receipt point for service under this Agreement. This sharing mechanism is only applicable when the Ventura price is higher than the alternate receipt point. For purposes of determining the daily price at the alternate receipt point other than Demarcation, Northern and Shipper will agree to utilize Shipper's actual gas purchase costs at the alternate receipt point as provided by Shipper and subject to reasonable verification by Northern. In addition, as provided for in Northern's FERC Gas Tariff, Shipper shall provide any applicable fuel use and unaccounted-for, and shall pay any applicable electric compression charge and the Carlton commodity surcharge. With the exception of alternate deliveries to Mankato MN #1 TBS, during the months of November through March, the rates above are applicable to the Alternate Delivery Points listed for ultimate consumption at Shipper's other facilities provided Shipper is unable to use the capacity at the Primary Delivery Point due to Shipper's operational reasons; however, the rate shall not be applicable for more than thirty (30) days during each November through March period. With the exception of Mankato MN #1 TBS, during the months of April through October, the rates are applicable to the Alternate Delivery Points listed for ultimate consumption at Shipper's other facilities without regard whether the capacity can be used at the Primary Delivery Point. For alternate delivery to the Mankato MN #1 TBS, the rates above will apply plus Shipper shall pay Northern an additional amount as follows: i. During the months of November through March, an amount equal to $0.25/DTH multiplied by the DTH of gas delivered during the month. ii. During the months of April through October, an amount equal to $0.10/DTH multiplied by the DTH of gas delivered during the month. The provisions for alternate delivery to the Mankato MN #1 TBS shall be effective through October 31, 2018. If the capacity is scheduled at (1) an Alternate Delivery Point but not in accordance with paragraphs f. and g., or (2) at an alternate delivery point not listed below, Shipper shall pay Northern an additional $0.2500/DTH/day for the entire month for each DTH of service used at an Alternate Delivery Point not in accordance with the above, or at another alternate delivery point. Alternate Delivery Points - Cedar Rapids/Vinton TBS, Des Moines #1a, Fremont #1, Lincoln #1B, Zone ABCMidAmerican. Issued On: March 31, 2016 Effective On: April 1, 2016 Northern Natural Gas Company FERC Gas Tariff Sixth Revised Volume No. 1 Fourth Revised Sheet No. 66B.06 Superseding Third Revised Sheet No. 66B.06 50/ For the period 09/01/2008 through 8/31/2018, for the contract MDQ, Shipper shall pay a total monthly reservation charge equal to $0.5164/DTH multiplied by the contract MDQ multiplied by 30.4. In addition, Shipper shall pay a commodity rate equal to the maximum rate provided in Northern's FERC Gas Tariff as amended from time to time. These rates include the applicable Annual Charge Adjustment and electric compression charges. In addition to the above rate(s), Shipper shall pay any applicable fuel use and unaccounted for. In addition to the above rates, Shipper shall pay (a) the FERC approved Carlton surcharge and (b) all FERC approved surcharges that are made effective after the effective date of this Amendment and applicable to the service provided hereunder. 52/ For the period 11/01/2008 through 10/31/2018, for the contract MDQ, Shipper shall pay a total monthly reservation charge equal to $0.4330/Dth multiplied by the contract MDQ multiplied by 30.4. In addition, Shipper shall pay a commodity rate equal to the maximum rate provided in Northern's FERC Gas Tariff as amended from time to time. These rates include the applicable Annual Charge Adjustment and electric compression charges. In addition to the above rate(s), Shipper shall pay any applicable fuel use and unaccounted for. The negotiated rate stated above is applicable to all receipt and delivery points in Northern's Market Area; provided, however, if the negotiated rate becomes less than the annual average of the maximum rates set forth in Northern's FERC Gas Tariff, such rate would be applicable only to the receipt and delivery points listed below. If any other points are used either on a primary or alternate basis, the negotiated rate will not be applicable and the annual average of the applicable maximum rates will apply for the entire contract during the month that any points not listed below are used. Primary Receipt Point: NBPL/NNG Welcome Primary Delivery Point: Galva Ethanol Plant Alternate Receipt Point: Ogden Deferred Delivery Alternate Delivery Point: Ogden Deferred Delivery In addition to the above rates, Shipper shall pay (i) the FERC approved Carlton surcharge and (ii) all FERC approved surcharges that are made effective after the effective date of this Amendment and applicable to the service provided hereunder. 54/ For the period 11/01/2008 through 10/31/2018, for 400 DTH/day of entitlement at Ft. Mccoy #1 and 2,400 DTH/day of entitlement at Lacrosse #1, Shipper shall pay a reservation rate equal to the greater of the annual average of the maximum TFX rates provided in Northern's FERC Gas Tariff as revised from time to time or a negotiated rate equal to $0.4338/DTH/day rate. For the remaining 127 DTH/day of entitlement at LaCrosse #1, Shipper shall pay a reservation rate equal to the maximum rate provided in Northern's FERC Gas Tariff as revised from time to time. In addition to the above rates, Shipper shall (i) pay a commodity rate equal to the maximum rate provided in Northern's FERC Gas Tariff as revised from time to time, (ii) provide fuel use and unaccounted-for, and (iii) pay any applicable FERC-approved reservation and commodity surcharges. Issued On: March 31, 2016 Effective On: April 1, 2016 Northern Natural Gas Company FERC Gas Tariff Sixth Revised Volume No. 1 55/ Second Revised Sheet No. 66B.07 Superseding First Revised Sheet No. 66B.07 For the period 05/01/2009 through 10/31/2018, Shipper shall pay (i) a total monthly reservation charge equal to $197.00/Dth on 10 Dth/day; and (ii) the maximum reservation rate provided in Northern's FERC Gas Tariff as revised from time to time on the remaining 490 Dth/day. In addition, Shipper shall pay a commodity rate equal to the maximum rate provided in Northern's FERC Gas Tariff as amended from time to time. These rates include the applicable Annual Charge Adjustment and electric compression charges. In addition to the above rate(s), Shipper shall pay any applicable fuel use and unaccounted for. The negotiated rate stated above is applicable to all receipt and delivery points in Northern's Market Area; provided, however, if the negotiated rate becomes less than the annual average of the maximum rates set forth in Northern's FERC Gas Tariff, such rate would be applicable only to the receipt and delivery points listed below. If any other points are used either on a primary or alternate basis, the negotiated rate will not be applicable and the annual average of the applicable maximum rates will apply for the entire contract during the month that any points not listed below are used. Primary Receipt Point: NBPL/NNG Welcome Primary Delivery Point: Galva Ethanol Plant Alternate Receipt Point: Ogden Deferred Delivery Alternate Delivery Point: Ogden Deferred Delivery In addition to the above rates, Shipper shall pay (i) the FERC approved Carlton surcharge and (ii) all FERC approved surcharges that are made effective after the effective date of this Amendment and applicable to the service provided hereunder. 91/ For the period 11/01/2009 through 10/31/2019, for the contract MDQ, Shipper shall pay a negotiated reservation rate equal to $0.40/Dth multiplied by the contract MDQ multiplied by 30.4. In addition, Shipper shall pay a commodity rate equal to the maximum rate provided in Northern's FERC Gas Tariff as revised from time to time. These rates include the applicable Annual Charge Adjustment and electric compression charges. In addition to the above rate(s), Shipper shall provide any applicable fuel use and unaccounted for. If the negotiated rate stated herein becomes less than the annual average of the maximum rates set forth in Northern's FERC Gas Tariff, such rate would be applicable only to the receipt and delivery points listed below. If any other points are used either on a primary or alternate basis, the negotiated rate will not be applicable and the annual average of the applicable maximum rate will apply for the entire contract during the month that any points not listed below are used. Primary Receipt Point - GRLKS/NNG Carlton Primary Delivery Point - Zone EF-Wisconsin Gas for ultimate redelivery to Grantsburg TBS #1. In addition to the above rate(s), Shipper shall pay (a) the FERC approved Carlton surcharge, if applicable, and (b) all FERC approved surcharges that are made effective after the effective date of this amendment and applicable to the service provided hereunder. The MDQ for the period 11/01/2009 through 10/31/2010 is 647 Dth/day. The MDQ for the period 11/01/2010 through 10/31/2011 is 969 Dth/day. The MDQ for the period 11/01/2011 through 10/31/2019 is 1,300 Dth/day. Issued On: March 31, 2016 Effective On: April 1, 2016 Northern Natural Gas Company FERC Gas Tariff Sixth Revised Volume No. 1 Fourth Revised Sheet No. 66B.08 Superseding Third Revised Sheet No. 66B.08 129/ For the period 4/01/2012 through 10/31/2017, Shipper shall pay a discounted base reservation rate equal to $0.0800/Dth/Day for 20,000 Dth of summer Market Area MDQ. This rate shall not be above the maximum rate or below the minimum rate set forth in Northern's FERC Gas Tariff. In the event the rate becomes greater than the maximum or less than the minimum under Northern's FERC Gas Tariff, as revised from time to time, then Shipper agrees that Northern will immediately decrease the rate herein down to the maximum or increase the rate herein up to the minimum. In such event, other rate components may be adjusted upward or downward to achieve the agreed-upon overall rate, provided that the resulting rate component shall not exceed the maximum rate or be below the minimum rate applicable to the rate component. Shipper shall pay a volumetric reservation rate equal to $0.0800/Dth multiplied by the daily volumes delivered pursuant to this Agreement greater than or equal to 20,001 Dth up to and including 27,360 Dth. Northern shall have the unilateral right with 60 days advance written notice to convert this volumetric entitlement to maximum tariff rates. If Northern provides such notice, Shipper shall have the unilateral right to reduce the volumetric MDQ of this Agreement by up to 7,360 Dth/day by providing Northern written notice within 30 days of Northern's notice, such reduction to be effective at Shipper's election as of the date of Shipper's written notice or 60 days following the date of Northern's notice. In addition, Shipper shall (i) pay a commodity rate equal to the maximum commodity rate provided in Northern's FERC Gas Tariff as amended from time to time (this rate includes the applicable Annual Charge Adjustment and electric compression charges), (ii) provide any applicable fuel use and unaccounted for, and (iii) pay all FERC approved surcharges applicable to the service provided hereunder. The rates set forth above are applicable during the months of April through October to the receipt and (or) delivery points (POI) listed. Shipper agrees that if any receipt or delivery points not listed are used either on a primary or alternate basis, the rates set forth herein will not be applicable and Northern's maximum reservation and commodity rates will apply for the entire contract MDQ during the month that any points not listed are used. 130/ For the period 4/01/2012 through 10/31/2017, Shipper shall pay a discounted base reservation rate equal to $0.0800/Dth/Day for 10,600 Dth of summer Market Area MDQ. This rate shall not be above the maximum rate or below the minimum rate set forth in Northern's FERC Gas Tariff. In the event the rate becomes greater than the maximum or less than the minimum under Northern's FERC Gas Tariff, as revised from time to time, then Shipper agrees that Northern will immediately decrease the rate herein down to the maximum or increase the rate herein up to the minimum. In such event, other rate components may be adjusted upward or downward to achieve the agreed-upon overall rate, provided that the resulting rate component shall not exceed the maximum rate or be below the minimum rate applicable to the rate component. Shipper shall pay a volumetric reservation rate equal to $0.0800/Dth multiplied by the daily volumes delivered pursuant to this Agreement greater than or equal to 10,601 Dth up to and including 41,560 Dth. Northern shall have the unilateral right with 60 days advance written notice to convert this volumetric entitlement to maximum tariff rates. If Northern provides such notice, Shipper shall have the unilateral right to reduce the volumetric MDQ of this Agreement by up to 30,960 Dth/day by providing Northern written notice within 30 days of Northern's notice, such reduction to be effective at Shipper's election as of the date of Shipper's written notice or 60 days following the date of Northern's notice. In addition, Shipper shall (i) pay a commodity rate equal to the maximum commodity rate provided in Northern's FERC Gas Tariff as amended from time to time (this rate includes the applicable Annual Charge Adjustment and electric compression charges), (ii) provide any applicable fuel use and unaccounted for, and (iii) pay all FERC approved surcharges applicable to the service provided hereunder. The rates set forth above are applicable during the months April through October to the receipt and (or) delivery points (POI) listed. Shipper agrees that if any receipt or delivery points not listed are used either on a primary or alternate basis, the rates set forth herein will not be applicable and Northern's maximum rates will apply for the entire contract MDQ during the month that any points not listed are used. Issued On: March 31, 2016 Effective On: April 1, 2016 Northern Natural Gas Company FERC Gas Tariff Sixth Revised Volume No. 1 Third Revised Sheet No. 66B.09 Superseding Second Revised Sheet No. 66B.09 131/ For the period 4/01/2012 through 10/31/2017, Shipper shall pay a discounted base reservation rate equal to $0.0800/Dth/Day for 13,400 Dth of summer Market Area MDQ. This rate shall not be above the maximum rate or below the minimum rate set forth in Northern's FERC Gas Tariff. In the event the rate becomes greater than the maximum or less than the minimum under Northern's FERC Gas Tariff, as revised from time to time, then Shipper agrees that Northern will immediately decrease the rate herein down to the maximum or increase the rate herein up to the minimum. In such event, other rate components may be adjusted upward or downward to achieve the agreed-upon overall rate, provided that the resulting rate component shall not exceed the maximum rate or be below the minimum rate applicable to the rate component. Shipper shall pay a volumetric reservation rate equal to $0.0800/Dth multiplied by the daily volumes delivered pursuant to this Agreement greater than or equal to 13,401 Dth up to and including 31,080 Dth. Northern shall have the unilateral right with 60 days advance written notice to convert this volumetric entitlement to maximum tariff rates. If Northern provides such notice, Shipper shall have the unilateral right to reduce the volumetric MDQ of this Agreement by up to 17,680 Dth/day by providing Northern written notice within 30 days of Northern's notice, such reduction to be effective at Shipper's election as of the date of Shipper's written notice or 60 days following the date of Northern's notice. In addition, Shipper shall (i) pay a commodity rate equal to the maximum commodity rate provided in Northern's FERC Gas Tariff as amended from time to time (this rate includes the applicable Annual Charge Adjustment and electric compression charges), (ii) provide any applicable fuel use and unaccounted for, and (iii) pay all FERC approved surcharges applicable to the service provided hereunder. The rates set forth above are applicable during the months of April through October to the receipt and (or) delivery points (POI) listed. Shipper agrees that if any receipt or delivery points not listed are used either on a primary or alternate basis, the rates set forth herein will not be applicable and Northern's maximum reservation and commodity rates will apply for the entire contract MDQ during the month that any points not listed are used. 134/ For the period 4/1/2013 through 09/30/2022, Shipper shall pay the maximum tariff reservation rates provided in Northern's FERC Gas Tariff, as revised from time to time, plus an amount equal to $0.08/Dth/day. In addition, Shipper shall pay the maximum commodity rates, provide any applicable fuel use and unaccounted-for, and pay any applicable FERC-approved reservation and commodity surcharges. 141/ For the period 11/01/2015 through 10/31/2016, the total daily charge for the Contract MDQ shall be the MDQ multiplied by the arithmetic value obtained from the formula ((X) minus (Y) minus ((A) times (Y))) (rate) where (X) = the Inside FERC's FOM Gas Market Report Midpoint price at Northern Natural Gas Co., Demarcation; (Y) = the Inside FERC's FOM Gas Market Report Midpoint price for Southern Star Central Gas Pipeline, Inc. Texas, Oklahoma, Kansas; (A) = the applicable Section 2 Field Area fuel percentage for deliveries to NNG Field Mkt Demarcation - 16B (POI 37654). However, in no event will the daily charge be less than zero. The monthly charge will be the sum of all daily charges from the formula above. In addition to the above rates, Shipper shall provide any applicable fuel use and unaccounted for. The charges set forth above are applicable to the receipt and (or) delivery points (POI) listed. Shipper agrees that if any receipt or delivery points not listed are used either on a primary or alternate basis, the charges set forth above will not be applicable and Shipper shall pay the higher of the charges set forth above or Northern's maximum tariff rates for the entire contract MDQ during the month that any points not listed are used. In addition to the above rates, Shipper shall pay all FERC-approved surcharges applicable to the service provided hereunder. Issued On: March 31, 2016 Effective On: April 1, 2016 Northern Natural Gas Company FERC Gas Tariff Sixth Revised Volume No. 1 Second Revised Sheet No. 66B.10 Superseding First Revised Sheet No. 66B.10 144/ For the period 8/01/2013 through 7/31/2023, Shipper shall pay a negotiated reservation rate equal to $0.3330/Dth/day multiplied by the MDQ multiplied by 30.4. In addition to the negotiated reservation rate, Shipper shall (i) pay a commodity rate equal to the maximum commodity rates provided in Northern's FERC Gas Tariff (this rate includes the applicable Annual Charge Adjustment and electric compression charges), (ii) provide any applicable fuel use and unaccounted for, and (iii) pay all FERC-approved surcharges applicable to the service provided hereunder. If the negotiated reservation rate is or becomes less than the annual average of the maximum TFX rates set forth in Northern's FERC Gas Tariff, such rate would be applicable only to the receipt and delivery points listed. If any other points are used either on a primary or alternate basis, Customer shall pay the higher of the negotiated rate or the annual average of the applicable maximum rates for the entire contract during the month that any points not listed are used. 154/ For the period 12/01/2014 through 10/31/2024, Shipper shall pay a negotiated reservation rate equal to $0.60/Dth/day multiplied by the MDQ multiplied by 30.4 (Negotiated Reservation Rate). In addition, Shipper shall pay a commodity rate equal to the maximum rate set forth in Northern's FERC Gas Tariff, as revised from time to time. In addition to the above rates, Shipper shall provide any applicable fuel use and unaccounted for. The Negotiated Reservation Rate is applicable to the receipt and (or) delivery points (POI) listed. If the negotiated reservation rate is lower than the maximum reservation rate in Northern's FERC Gas Tariff, Shipper agrees if any points not listed are used on either a primary or alternate basis, including use by any shipper acquiring the capacity through capacity release, the Negotiated Reservation Rate will not be applicable and Northern's maximum tariff rates will apply to the entire contract MDQ for the month that any points not listed are used. In addition to the above rates, Shipper shall pay all current and future applicable reservation and commodity surcharges. Issued On: March 31, 2016 Effective On: April 1, 2016 Northern Natural Gas Company FERC Gas Tariff Sixth Revised Volume No. 1 First Revised Sheet No. 66B.11 Superseding Original Sheet No. 66B.11 155/ For the period 04/01/2015 through 10/31/2025, the rate provisions are ammended as follows: For the period 04/01/2015 through 07/31/2015, Shipper shall pay a total reservation rate equal to $0.5598/Dth/day (Interim Reservation Rate). In addition to the Interim Reservation Rate, Shipper shall pay a commodity rate equal to the maximum interruptible transportation rate set forth in Northern's FERC Gas Tariff, as revised from time to time (IT Commodity Rate). Shipper provided notice on 01/26/2015 of its election to continue the Interim Reservation Rate and the IT Commodity Rate for the period 08/01/2015 through 06/30/2016, provided that, during this period: (1) less than 10,000 Dth/day is flowing through the CF Industries Port Neal 2 delivery point (POI 79123) for all calendar days of such month, or (2) more than 10,000 Dth/day but less than 20,000 Dth/day is flowing through POI 79123 for no more than five calendar days of such month, and, for the remaining days of such calendar month, no more than 10,000 Dth/day is flowing through POI 79123. The rates shall be the Interim Reservation Rate and the IT Commodity Rate for the period 08/01/2015 through the earlier of (1) the date greater than 20,000 Dth/day flows through POI 79123, or (2) the sixth day in any calendar month where Shipper flows greater than 10,000 Dth/day and less than 20,000 Dth/day through POI 79123; or (3) 06/30/2016. Following that date the rates shall be the Agreed-Upon Reservation Rate and the Maximum Commodity Rate through the term of this Agreement. For the period 07/01/2016 through 10/31/2025, Shipper shall pay a total reservation rate equal to $0.7598/Dth/day (Agreed-Upon Reservation Rate). In addition to the Agreed-Upon Reservation Rate, Shipper shall pay Northern's Maximum Commodity Rate. The Preliminary Reservation Rate, the Interim Reservation Rate and the Agreed-Upon Reservation Rate are applicable to all Market Area receipt points and the CF Industries Port Neal 2 delivery point. If any other points are used on either a primary or alternate basis, including use by any shipper acquiring the capacity through capacity release, Shipper shall pay a reservation rate of $0.15/Dth/day for the period 04/01/2015 through 10/31/2025 plus the Agreed-Upon Reservation Rate for the entire contract MDQ and the Maximum Commodity Rate during the month that any such points are used. In consideration for the above rates, all gas transportation services for the CF Industries Port Neal 2 delivery point shall be provided for under this Agreement. If another agreement is used to serve the CF Industries Port Neal 2 delivery point, the rates granted herein shall be terminated for any month in which another agreement is used and Shipper shall pay a reservation rate of $0.15/Dth/day plus the Agreed-Upon Reservation Rate for the entire contract MDQ and the Maximum Commodity Rate during the month that any other agreement is used. In addition Agreed-Upon reservation provided in to the Preliminary Reservation Rate, the Interim Reservation Rate and the Reservation Rate, Shipper shall pay all current and future applicable and commodity surcharges. Shipper shall provide fuel, use and unaccounted for as Northern's FERC Gas Tariff. The firm maximum daily quantity is: 04/01/2015 through 07/31/2015 is 44,000 08/01/2015 through 09/30/2015 is 80,000 10/01/2015 through 11/30/2015 is 85,000 12/01/2015 through 10/31/2025 is 88,000 Issued On: March 31, 2016 Dth/day Dth/day Dth/day Dth/day Effective On: April 1, 2016 Northern Natural Gas Company FERC Gas Tariff Sixth Revised Volume No. 1 Second Revised Sheet No. 66B.12 Superseding First Revised Sheet No. 66B.12 156/ For the period 11/01/2014 through 03/31/2027, Shipper shall pay a monthly reservation charge equal to $0.4029/Dth/day multiplied by the contract MDQ multiplied by 30.4, plus the maximum commodity rate provided in Northern's FERC Gas Tariff. In addition, Customer shall provide fuel, use and unaccounted for and pay all FERC-approved charges and surcharges applicable to the service provided hereunder. 157/ For the period 11/01/2014 through 03/31/2025, Shipper shall pay a monthly reservation charge equal to $0.8846/Dth/day multiplied by the contract MDQ multiplied by 30.4, plus the maximum commodity rates provided in Northern's FERC Gas Tariff. In addition, Shipper shall provide fuel, use and unaccounted for and pay all FERC-approved charges and surcharges applicable to the service provided hereunder. 158/ For the period 11/01/2014 through 10/31/2024, Shipper shall pay a monthly reservation charge equal to the maximum reservation rates provided in Northern's FERC Gas Tariff plus $0.1675/Dth/day multiplied by the contract MDQ multiplied by 30.4, and the maximum commodity rate provided in Northern's FERC Gas Tariff. In addition, Shipper shall provide fuel, use and unaccounted for and pay all FERC-approved charges and surcharges applicable to the service provided hereunder. The MDQ for the winter season during the months of November through March is 4,300 Dth/day. The MDQ for the summer season during the months of April through October is 1,750 Dth/day. 159/ For the period 11/01/2014 through 10/31/2024, Shipper shall pay a monthly reservation charge equal to $0.9478/Dth/day multiplied by the contract MDQ multiplied by 30.4, plus the maximum commodity rates provided in Northern's FERC Gas Tariff. In addition, Shipper shall provide fuel, use and unaccounted for and pay all FERC-approved charges and surcharges applicable to the service provided hereunder. The MDQ for the winter season during the months of November through March is 1,900 Dth/day. The MDQ for the summer season during the months of April through October is 750 Dth/day. 160/ For the period 11/01/2014 through 10/31/2024, Shipper shall pay a monthly charge equal to $0.9128/Dth/day (Negotiated Reservation Rate) multiplied by the contract MDQ multiplied by 30.4, plus the maximum commodity rates provided in Northern's FERC Gas Tariff. In addition, Shipper shall provide fuel, use and unaccounted for and pay all FERC-approved charges and surcharges applicable to the service provided hereunder. The Negotiated Reservation Rate is applicable to all Market Area receipt points existing as of the date of this Amendment and the primary and alternate delivery points listed. If any other points are used (not as a result of Shipper oversight or scheduling error) either on a primary or alternate basis in any month, Shipper shall pay a reservation charge equal to the product of (i) the sum of the Negotiated Reservation Rate multiplied by 30.4 and the maximum TFX reservation rate set forth in Northern's FERC Gas Tariff and (ii) the entire contract MDQ, during the month that any other receipt or delivery points not listed are used. 163/ For the period 11/01/2014 through 10/31/2024, if Shipper uses (not as a result of an oversight or scheduling error) any delivery point other than the (i) St. Ansgar IA #1 (POI 3818) town border station on a primary basis; (ii) Zone ABC-Black Hills (POI 60228) for ultimate redelivery to the St. Ansgar IA #1 on a primary basis; or (iii) Ogden Def. Delivery Point for ultimate redelivery to the St. Ansgar IA #1 on an alternate basis, Shipper shall pay a reservation fee equal to two times Northern's maximum reservation rate for the entire contract MDQ for the month that any other points are used. Issued On: March 31, 2016 Effective On: April 1, 2016 Northern Natural Gas Company FERC Gas Tariff Sixth Revised Volume No. 1 Fourth Revised Sheet No. 66B.13 Superseding Third Revised Sheet No. 66B.13 177/ For the period 11/01/2015 through 12/31/2026, for the term of the West Leg Expansion Entitlement, Shipper shall pay a monthly reservation charge equal to $0.6122/Dth/day multiplied by the contract MDQ multiplied by 30.4 (Negotiated Reservation Rate). However, in the event the Actual Cost of the Hazel interconnect is less than the estimate utilized to derive this Negotiated Reservation Rate, the Negotiated Reservation Rate will be adjusted down to the extent the Actual Cost of the Hazel interconnect is lower than the estimate. In addition to the Negotiated Reservation Rate, Shipper shall (i) pay a commodity rate equal to the maximum commodity rates provided in Northern's FERC Gas Tariff; (ii) provide any applicable fuel use and unaccounted for; and (iii) pay all FERC-approved charges and surcharges applicable to the service provided. All quantities set forth below are hereinafter defined as the "West Leg Expansion Entitlement": 1,108 Dth/day of annual service from receipts at the NBPL/NNG Ventura interconnect (POI #192) for deliveries to town border stations (TBS) behind Zone ABC Interstate Power and Light (POI #60226) (Storm Lake IA #1 (POI 2869), Sibley IA #1 (POI 3606), Rembrandt IA #1 (POI 3714), and Albert City IA #1 (POI 3652) each for 277 Dth/day) beginning 11/01/2015 and extending through 10/31/2016. 892 Dth/day of annual service from receipts at the new NBPL/NNG Hazel interconnect (POI #79244) for deliveries to town border stations behind Zone ABC Interstate Power and Light (POI #60226) (Storm Lake IA #1 (POI 2869), Sibley IA #1 (POI 3606), Rembrandt IA #1 (POI 3714), and Albert City IA #1 (POI 3652) each for 223 Dth/day) beginning 01/01/2016 and ending 12/31/2026. 1,108 Dth/day of annual service from receipts at the new NBPL/NNG Hazel interconnect (POI #79244) for deliveries to town border stations behind Zone ABC Interstate Power and Light (POI #60226) (Storm Lake IA #1 (POI 2869), Sibley IA #1 (POI 3606), Rembrandt IA #1 (POI 3714), and Albert City IA #1 (POI 3652) each for 277 Dth/day) as set forth on Appendix B attached hereto beginning 11/01/2016 and ending 10/31/2026. Issued On: March 31, 2016 Effective On: April 1, 2016 Northern Natural Gas Company FERC Gas Tariff Sixth Revised Volume No. 1 Seventh Revised Sheet No. 66B.13a Superseding Sixth Revised Sheet No. 66B.13a 178/ For the period 11/01/2015 through 12/31/2025, beginning on the Commencement Date for each applicable portion of Entitlement as described below, Shipper shall pay a monthly reservation charge equal to $0.5182/Dth/day (Reservation Rate) multiplied by 30.4, multiplied by such Entitlement. However, in the event the actual cost of the Hazel interconnect is less than $4,069,000 (the estimate utilized to derive the Reservation Rate), the Reservation Rate will be recalculated using the lower actual cost in the same manner as the original calculation of the Reservation Rate. In addition to the Reservation Rate, Shipper shall (i) pay a commodity rate equal to the maximum commodity rates provided in Northern's FERC Gas Tariff; (ii) provide any applicable fuel use and unaccounted for; and (iii) pay all FERC-approved commodity charges and commodity surcharges applicable to the service provided herein. All quantities set forth below are hereinafter defined as the "Entitlement": The maximum daily quantities of the Agreement are increased by 2,433 Dth/day of annual service from receipts at the NBPL/NNG Ventura interconnect (POI #192) for deliveries to town border stations (TBS) behind Zone ABC MidAmerican (POI #3077) beginning 11/01/2015 and ending 10/31/2016. The maximum daily quantities of the Agreement are increased by 12,721 Dth/day of annual service from receipts at the new NBPL/NNG Hazel interconnect (POI #79244) for deliveries to town border stations behind Zone ABC MidAmerican (POI #3077) beginning 11/01/2015 and ending 10/31/2025. The maximum daily quantities of the Agreement are increased by 3,800 Dth/day of annual service from receipts at the NBPL/NNG Aberdeen interconnect (POI #193) and by 8,496 Dth/day of annual service from receipts at the new NBPL/NNG Hazel interconnect (POI #79244) for deliveries to town border stations behind Zone ABC MidAmerican (POI #3077) beginning 01/01/2016 and ending 12/31/2025. The maximum daily quantities of the Agreement are increased by 2,433 Dth/day of annual service from receipts at the new NBPL/NNG Hazel interconnect (POI #79244) for deliveries to town border stations behind Zone ABC MidAmerican (POI #3077) beginning 11/01/2016 (subject to completion of a new compressor station) and ending nine years from the start date (estimated to be 10/31/2025). 179/ For the period 11/01/2015 through 3/31/2025, Shipper shall pay a monthly reservation charge equal to $1.1070/Dth/day multiplied by the contract MDQ multiplied by 30.4 (Negotiated Reservation Rate). However, in the event the Actual Cost of the Hazel interconnect is less than the estimate utilized to derive this Negotiated Reservation Rate, the Negotiated Reservation Rate will be adjusted down to the extent the Actual Cost of the Hazel interconnect is lower than the estimate. In addition to the Negotiated Reservation Rate, Shipper shall (i) pay a commodity rate equal to the maximum commodity rates provided in Northern's FERC Gas Tariff; (ii) provide any applicable fuel use and unaccounted for; and (iii) pay all FERC-approved charges and surcharges applicable to the service provided herein. The maximum daily quantities of the Agreement are 110 Dth/day for winter (November through March) service from receipts at the NBPL/NNG Ventura interconnect (POI #192) for deliveries to Rock Rapids IA #1 TBS (POI 4072) beginning 11/01/2015 and ending 10/31/2016. The maximum daily quantities of the Agreement are 90 Dth/day for winter service from receipts at the new NBPL/NNG Hazel interconnect (POI #79244) for deliveries to Rock Rapids IA #1 TBS (POI 4072) beginning 01/01/2016 and ending 03/31/2025. The maximum daily quantities of the Agreement are 110 Dth/day for winter service from receipts at the new NBPL/NNG Hazel interconnect (POI #79244) for deliveries to Rock Rapids IA #1 TBS (POI 4072) beginning 11/01/2016 and ending 03/31/2025. Issued On: March 31, 2016 Effective On: April 1, 2016 Northern Natural Gas Company FERC Gas Tariff Sixth Revised Volume No. 1 Third Revised Sheet No. 66B.14 Superseding Second Revised Sheet No. 66B.14 180/ For the period 11/01/2015 through 3/31/2018, Shipper shall pay a total reservation charge for three years of service of $516,654, subject to a reduction due to a lower cost of the Hazel interconnect. Beginning 11/01/2015, Shipper shall pay an estimated monthly reservation charge equal to $2.4093/Dth/day multiplied by the contract MDQ multiplied by 30.4 (Negotiated Reservation Rate). The Negotiated Reservation Rate will be adjusted down to the extent the Actual Cost of the Hazel interconnect is lower than the estimate on which the rates are based. In addition, the Negotiated Reservation Rate includes an amount to recover the cost of the new compressor station and assumes a start date of 01/01/2016 and an end date of 03/31/2018, for the MDQ dependent upon the new compressor station. The Negotiated Reservation Rate will be adjusted for the actual number of months of service if the completion of the new compressor is delayed. This Agreement will be amended to provide the forgoing adjustments to the monthly reservation rates. In addition to the Negotiated Reservation Rate, Shipper shall (i) pay a commodity rate equal to the maximum commodity rates provided in Northern's FERC Gas Tariff; (ii) provide any applicable fuel use and unaccounted for; and (iii) pay all FERC-approved charges and surcharges applicable to the service provided herein. The maximum daily quantities of the Agreement are 277 Dth/day for winter (November through March) service from receipts at the NBPL/NNG Ventura interconnect (POI #192) for deliveries to FHR Arthur Plant (POI 78920) beginning 11/01/2015 and ending 10/31/2016. The maximum daily quantities of the Agreement are 223 Dth/day for winter service from receipts at the new NBPL/NNG Hazel interconnect (POI #79244) for deliveries to FHR Arthur Plant (POI 78920) beginning 01/01/2016 and ending 03/31/2018. The maximum daily quantities of the Agreement are 277 Dth/day for winter service from receipts at the new NBPL/NNG Hazel interconnect (POI #79244) for deliveries to FHR Arthur Plant (POI 78920) beginning 11/01/2016 and ending 03/31/2018. 183/ For the period 11/01/2015 through 10/31/2016, the total daily rate for the contract MDQ shall be $0.12/Dth except for any volumes scheduled to NNG Field/Mkt Demarcation-16B (POI 37654) (Demarc) where the total daily rate for Demarc volumes shall be $0.12/Dth plus the arithmetic value obtained from the formula [("X" minus ("Y" divided by "A")) times "B"] (rate) where "X" = the Midpoint price from "Gas Daily" Northern, demarc; "Y" = the Midpoint price from "Gas Daily" Waha; "A" = 1.0 less the applicable fuel percentage increase for deliveries to Demarc from receipts in Section 1, as compared to the Field Area fuel percentage for deliveries in Section 1 from receipts located in Section 1; and "B" = 0.85. However, in no event will the daily rate for volumes scheduled to Demarc be less than $0.25/Dth for the period 11/1/2015 through 03/31/2016 or less than $0.16/Dth for the period 04/01/2016 through 10/31/2016. The monthly rate will be the sum of all daily rates from the formula above. In addition to the above rates, Shipper shall provide any applicable fuel use and unaccounted for. The charges set forth above are applicable to the receipt and (or) delivery points (POI) listed. Shipper agrees that if any receipt or delivery points not listed are used either on a primary or alternate basis, the charges set forth above will not be applicable and Shipper shall pay the higher of the charges set forth above or Northern's maximum tariff reservation and commodity rates for the entire contract MDQ for each day during the month that any points not listed are used. In the event of a realignment of any of the entitlement under this Agreement, Shipper shall pay the higher of Northern's maximum reservation and commodity rates or the rates generated using the formula set forth above for the entire contract MDQ for each day for the remaining term of the Agreement, unless agreed to otherwise by Northern. Issued On: March 31, 2016 Effective On: April 1, 2016 Northern Natural Gas Company FERC Gas Tariff Sixth Revised Volume No. 1 Fourth Revised Sheet No. 66B.15 Superseding Third Revised Sheet No. 66B.15 188/ For the period 1/01/2016 through 12/31/2025, Shipper shall pay a monthly reservation charge equal to $1.1070/Dth/day multiplied by the contract MDQ multiplied by 30.4 (Negotiated Reservation Rate). However, in the event the Actual Cost of the Hazel interconnect is less than the estimate utilized to derive this Negotiated Reservation Rate, the Negotiated Reservation Rate will be adjusted down to the extent the Actual Cost of the Hazel interconnect is lower than the estimate. In addition to the Negotiated Reservation Rate, Shipper shall (i) pay a commodity rate equal to the maximum commodity rates provided in Northern's FERC Gas Tariff; (ii) provide any applicable fuel use and unaccounted for; and (iii) pay all FERC-approved charges and surcharges applicable to the service provided herein. If the Negotiated Reservation Rate is or becomes less than the maximum winter rate set forth in Northern's FERC Gas Tariff, multiplied by the MDQ multiplied by 30.4 (the product being the "Maximum Rate"), such Negotiated Reservation Rate would be applicable only to the receipt point NBPL/NNG Hazel (POI #79244) and delivery points Zone ABC-Sioux Center (POI #3110)and Sioux Center IA #1 (POI #4065), as applicable, on a primary basis, and all Market Area receipt points on an alternate basis. If any other points are used either on a primary or alternate basis, Shipper shall pay the higher of the Negotiated Reservation Rate or the Maximum Rate for the entire contract MDQ during the month that any points not listed are used. In the event of a realignment of any of the entitlement, Shipper shall pay the higher of the Negotiated Reservation Rate or the Maximum Rate for the realigned entitlement through the remaining term of the Agreement, in addition to any other charges that may be applicable. 189/ For the period 4/01/2016 through 10/31/2016, Shipper shall pay a base reservation rate equal to $0.0800/Dth/day for Field Area MDQ; provided quantities scheduled under the Agreement do not exceed 12,000 Dth/day. If quantities scheduled under this Agreement exceed 12,000 Dth/ day, Shipper shall pay an additional reservation fee equal to $0.20 Dth/day for quantities scheduled under this Agreement in excess of 12,000 Dth/day. In addition to the reservation rates, Shipper shall (i) pay a commodity rate equal to the minimum commodity rates provided in Northern's FERC Gas Tariff; (ii) provide any applicable fuel use and unaccounted for; and (iii) pay all FERC-approved charges and surcharges applicable to the service provided hereunder. The rates set forth above above are applicable to the receipt and delivery points (POI) listed. Shipper agrees that if any receipt or delivery points not listed are used either on a primary or alternate basis, the discounted rates set forth above will not be applicable and Northern's maximum reservation and commodity rates will apply for the entire contract MDQ during the month that any points not listed are used. If Shipper realigns any receipt or delivery point(s) for service under this Agreement, Shipper shall pay the maximum reservation and commodity rates for the entire MDQ for the remaining term of the Agreement, unless agreed to by Northern. Issued On: March 31, 2016 Effective On: April 1, 2016 Northern Natural Gas Company FERC Gas Tariff Sixth Revised Volume No. 1 Eighth Revised Sheet No. 66B.16 Superseding Seventh Revised Sheet No. 66B.16 Sheet No. 66B.16 is Reserved for Future Use. Issued On: March 31, 2016 Effective On: April 1, 2016 Northern Natural Gas Company FERC Gas Tariff Sixth Revised Volume No. 1 Tenth Revised Sheet No. 66B.17 Superseding Ninth Revised Sheet No. 66B.17 Sheet No. 66B.17 is Reserved for Future Use. Issued On: March 31, 2016 Effective On: April 1, 2016 Northern Natural Gas Company FERC Gas Tariff Sixth Revised Volume No. 1 Fifth Revised Sheet No. 66B.19 Superseding Fourth Revised Sheet No. 66B.19 Sheet No. 66B.19 is Reserved for Future Use. Issued On: March 31, 2016 Effective On: April 1, 2016 Northern Natural Gas Company FERC Gas Tariff Sixth Revised Volume No. 1 Sixth Revised Sheet No. 66B.20 Superseding Fifth Revised Sheet No. 66B.20 Sheet No. 66B.20 is Reserved for Future Use. Issued On: March 31, 2016 Effective On: April 1, 2016 Northern Natural Gas Company FERC Gas Tariff Sixth Revised Volume No. 1 Thirteenth Revised Sheet No. 66B.21 Superseding Twelfth Revised Sheet No. 66B.21 Sheet No. 66B.21 is Reserved for Future Use. Issued On: March 31, 2016 Effective On: April 1, 2016 Northern Natural Gas Company FERC Gas Tariff Sixth Revised Volume No. 1 Sixteenth Revised Sheet No. 66B.22 Superseding Fifteenth Revised Sheet No. 66B.22 Sheet No. 66B.22 is Reserved for Future Use. Issued On: March 31, 2016 Effective On: April 1, 2016 Northern Natural Gas Company FERC Gas Tariff Sixth Revised Volume No. 1 Twenty Fourth Revised Sheet No. 66B.23 Superseding Twenty Third Revised Sheet No. 66B.23 Sheet No. 66B.23 is Reserved for Future Use. Issued On: March 31, 2016 Effective On: April 1, 2016 Northern Natural Gas Company FERC Gas Tariff Sixth Revised Volume No. 1 Fourteenth Revised Sheet No. 66B.24 Superseding Thirteenth Revised Sheet No. 66B.24 Sheet No. 66B.24 is Reserved for Future Use. Issued On: March 31, 2016 Effective On: April 1, 2016 Northern Natural Gas Company FERC Gas Tariff Sixth Revised Volume No. 1 Eighth Revised Sheet No. 66B.25 Superseding Seventh Revised Sheet No. 66B.25 Sheet No. 66B.25 is Reserved for Future Use. Issued On: March 31, 2016 Effective On: April 1, 2016 Northern Natural Gas Company FERC Gas Tariff Sixth Revised Volume No. 1 Eleventh Revised Sheet No. 66B.26 Superseding Tenth Revised Sheet No. 66B.26 Sheet No. 66B.26 is Reserved for Future Use. Issued On: March 31, 2016 Effective On: April 1, 2016 Northern Natural Gas Company FERC Gas Tariff Sixth Revised Volume No. 1 Third Revised Sheet No. 66B.27 Superseding Second Revised Sheet No. 66B.27 Sheet No. 66B.27 is Reserved for Future Use. Issued On: March 31, 2016 Effective On: April 1, 2016 Northern Natural Gas Company FERC Gas Tariff Sixth Revised Volume No. 1 Second Revised Sheet No. 66B.28 Superseding First Revised Sheet No. 66B.28 Sheet No. 66B.28 is Reserved for Future Use. Issued On: March 31, 2016 Effective On: April 1, 2016 Northern Natural Gas Company FERC Gas Tariff Sixth Revised Volume No. 1 Fifth Revised Sheet No. 66B.29 Superseding Fourth Revised Sheet No. 66B.29 Sheet No. 66B.29 is Reserved for Future Use. Issued On: March 31, 2016 Effective On: April 1, 2016 Northern Natural Gas Company FERC Gas Tariff Sixth Revised Volume No. 1 Seventh Revised Sheet No. 66 Superseding Sixth Revised Sheet No. 66 STATEMENT OF NEGOTIATED RATES 1/ Shipper Name Rate Schedule Negotiated Rate Other Charges Volume Receipt Point(s) Delivery Point(s)______ Otter Creek Ethanol, LLC Contract 110231 TFX 5/ 5,500 All Market Area Receipt Points All Market Area Delivery Points Frontier Ethanol, LLC Contract 111741 TFX 7/ 5,700 NBPL/NNG Ventura Frontier Ethanol Plant Flint Hills Resources Fairbank, LLC Contract 111502 TFX 9/ 9,000 NBPL/NNG FHR Fairbank Ventura Ventura Pool Ventura Deferred Delivery Ogden Deferred Delivery Valero Renewable Fuels Company, LLC Contract 111851 TFX 10/ 9,400 NBPL/NNG Ventura Prairie Ethanol, LLC Contract 113203 TFX 15/ 6,000 NBPL/NNG Zone ABC Ventura Northwestern NBPL/NNG Welcome Siouxland Ethanol, LLC Contract 112202 TFX 21/ 4,500 All Market Area Receipt Points Valero Renewable Fuels Company, LLC Contract 112257 TFX 23/ 10,000 3/ US Bio Albert City All Market Area Delivery Points NBPL/NNG Ventura NNG Demarcation Ogden Deferred Delivery Verasun Charles City Ogden Deferred Delivery Valero Renewable Fuels Company, LLC Contract 113108 TFX 30/ 10,000 NBPL/NNG Ventura Verasun Hartley Ethanol Green Plains Superior LLC Contract 112698 TFX 33/ 4,600 NBPL/NNG Ventura Ogden Deferred Superior Ethanol Ogden Deferred Al-Corn Clean Fuel Contract 114009 TFX 37/ 850 All Market Area Receipt Points All Market Area Delivery Points Flint Hills Resources Menlo, LLC Contract 113368 TFX 47/ 10,000 NBPL/NNG Ventura FHR Menlo Flint Hills Resources Arthur, LLC Contract 113789 TFX 48/ 9,500 NBPL/NNG Welcome Ogden Deferred Delivery FHR Arthur Issued On: March 31, 2016 Ogden Deferred Delivery Effective On: April 1, 2016 Northern Natural Gas Company FERC Gas Tariff Sixth Revised Volume No. 1 Eighth Revised Sheet No. 66A Superseding Seventh Revised Sheet No. 66A STATEMENT OF NEGOTIATED RATES 1/ Shipper Name Valero Renewable Fuels Company, LLC Contract 112257 Rate Schedule Negotiated Rate TFX 23/ Other Charges Volume 10,000 Receipt Point(s) Delivery Point(s)_____ NBPL/NNG Ventura NNG Demarcation Ogden Deferred Delivery Verasun Charles City Ogden Deferred Delivery Valero Renewable Fuels Company, LLC Contract 113108 TFX 30/ 10,000 NBPL/NNG Ventura Verasun Hartley Ethanol Green Plains Superior LLC Contract 112698 TFX 33/ 4,600 NBPL/NNG Ventura Ogden Deferred Superior Ethanol Ogden Deferred Al-Corn Clean Fuel Contract 114009 TFX 37/ 850 All Market Area Receipt Points All Market Area Delivery Points Flint Hills Resources Menlo, LLC Contract 113368 TFX 47/ 10,000 NBPL/NNG Ventura FHR Menlo Flint Hills Resources Arthur, LLC Contract 113789 TFX 48/ 9,500 NBPL/NNG Welcome Ogden Deferred Delivery FHR Arthur Archer Daniels Midland Company Contract 113380 TF 49/ 24,000 All Market Area Columbus #4 Receipt Points (Archer Daniels Midland) Cedar Rapids/ Vinton TBS Des Moines #1a Fremont #1 Lincoln #1B Zone ABC MidAmerican Mankato #1A Flint Hills Resources Shell Rock, LLC Contract 113737 TFX 50/ 10,000 NBPL/NNG Ventura Ogden Deferred Delivery FHR Shell Rock Sioux Valley Investments, L.L.C. Contract 113779 TFX 52/ 208 All Market Area Receipt Points All Market Area Delivery Points Northern States Power Company - Wisconsin Contract 114467 TFX 54/ 2,800 All Market Area Receipt Points All Market Area Delivery Points Quad County Corn Processors Cooperative Contract 113782 TFX 55/ 10 All Market Area Receipt Points All Market Area Delivery Points Wisconsin Gas LLC Contract 118499 TFX 91/ 1,300 GRLKS/NNG Carlton Zone EF - Wisconsin Gas for ultimate Redelivery to Grantsburg TBS #1 Northern States Power Company, A Minnesota Corporation Contract 117729 TFX 129/ 27,360 All Market Area Receipt Points Angus C. Anson TBS #1 Black Dog Power Plant Blue Lake Power Station Cannon Falls Energy Center High Bridge Power Plant Inver Hills Power Plant Mankato Energy Center Ogden Def. Delivery for ultimate redelivery to any power plants referenced herein Riverside Power Plant Issued On: March 31, 2016 Ogden Deferred Delivery Ogden Deferred Delivery Effective On: April 1, 2016 Northern Natural Gas Company FERC Gas Tariff Sixth Revised Volume No. 1 Sixth Revised Sheet No. 66B Superseding Fifth Revised Sheet No. 66B STATEMENT OF NEGOTIATED RATES 1/ Shipper Name Rate Schedule Negotiated Rate Other Charges Volume Receipt Point(s) Delivery Point(s)___ Sioux Valley Investments, L.L.C. Contract 113779 TFX 52/ 208 All Market Area Receipt Points All Market Area Delivery Points Northern States Power Company - Wisconsin Contract 114467 TFX 54/ 2,800 All Market Area Receipt Points All Market Area Delivery Points Quad County Corn Processors Cooperative Contract 113782 TFX 55/ 10 All Market Area Receipt Points All Market Area Delivery Points Wisconsin Gas LLC Contract 118499 TFX 91/ 1,300 GRLKS/NNG Carlton Zone EF - Wisconsin Gas for ultimate Redelivery to Grantsburg TBS #1 Northern States Power Company, TFX A Minnesota Corporation Contract 117730 130/ 41,560 All Market Area Receipt Points Angus C. Anson TBS #1 Black Dog Power Plant Blue Lake Power Station Cannon Falls Energy Center High Bridge Power Plant Inver Hills Power Plant Mankato Energy Center Ogden Def. Delivery for ultimate redelivery to any power plants referenced herein Riverside Power Plant Northern States Power Company, TFX A Minnesota Corporation Contract 117731 131/ 31,080 All Market Area Receipt Points Angus C. Anson TBS #1 Black Dog Power Plant Blue Lake Power Station Cannon Falls Energy Center High Bridge Power Plant Inver Hills Power Plant Mankato Energy Center Ogden Def. Delivery for ultimate redelivery to any power plants referenced herein Riverside Power Plant Dooley’s Natural Gas, LLC Contract 124101 TFX 134/ 3,360 All Market Area Receipt Points All Market Area Delivery Points Superior Pipeline Texas, L.L.C. Contract 125122 TFX 141/ 10,000 Superior NNG Demarcation Hemphill Co Plant Cargill, Incorporated Contract 124467 TFX 144/ 15,000 NBPL/NNG Ventura Fort Dodge West Zone ABC – MidAmerican for ultimate redelivery to Fort Dodge West Interstate Power and Light Company Contract 125799 TFX 154/ 430 All Market Area Receipt Points Zone ABC-Interstate Power and Light for ultimate redelivery to Albert City IA #1 or Sibley IA #1 Albert City IA #1 Sibley IA #1 CF Industries Nitrogen, LLC Contract 126385 TFX 155/ 88,000 All Market Area Receipt Points CF Industries Port Neal 2 Issued On: March 31, 2016 Effective On: April 1, 2016 Northern Natural Gas Company FERC Gas Tariff Sixth Revised Volume No. 1 Fifth Revised Sheet No. 66B.01 Superseding Fourth Revised Sheet No. 66B.01 STATEMENT OF NEGOTIATED RATES 1/ Shipper Name Rate Schedule Negotiated Rate Other Charges Volume Receipt Point(s) Delivery Point(s)___ Northern States Power Company, TFX A Minnesota Corporation Contract 117729 129/ 27,360 All Market Area Angus C. Anson TBS #1 Receipt Points Black Dog Power Plant Blue Lake Power Station Cannon Falls Energy Center High Bridge Power Plant Inver Hills Power Plant Mankato Energy Center Ogden Def. Delivery for ultimate redelivery to any power plants referenced herein Riverside Power Plant Northern States Power Company, TFX A Minnesota Corporation Contract 117730 130/ 41,560 All Market Area Angus C. Anson TBS #1 Receipt Points Black Dog Power Plant Blue Lake Power Station Cannon Falls Energy Center High Bridge Power Plant Inver Hills Power Plant Mankato Energy Center Ogden Def. Delivery for ultimate redelivery to any power plants referenced herein Riverside Power Plant Northern States Power Company, TFX A Minnesota Corporation Contract 117731 131/ Dooley’s Natural Gas, LLC Contract 124101 TFX 134/ Midwest Natural Gas, Inc. Contract 127848 TFX 156/ 1,422 All Market Area Receipt Points All Market Area Delivery Points Great Plains Natural Gas Co. Contract 127797 TFX 157/ 1,000 All Market Area Receipt Points All Market Area Delivery Points Dooley’s Natural Gas II, LLC Contract 127785 TFX 158/ 4,300 All Market Area Receipt Points All Market Area Delivery Points Dooley’s Natural Gas II, LLC Contract 127787 TFX 159/ 1,900 All Market Area Receipt Points All Market Area Delivery Points Valent Biosciences Corporation Contract 127771 TFX 160/ 1,300 All Market Area Receipt Points Zone ABC-Osage for redelivery to Osage IA #1 Osage IA #1 Ogden Def. Delivery Grain Millers, Inc. Contract 127718 TFX 163/ 250 All Market Area Receipt Points St Ansgar IA #1 Zone ABC-Black Hills And Ogden Def. Delivery for redelivery to St Ansgar IA #1 Interstate Power and Light Company Contract 128848 TFX 177/ 2,000 All Market Area Receipt Points All Market Area Delivery Points MidAmerican Energy TFX 178/ 15,154 All Market Area All Market Area Issued On: March 31, 2016 31,080 All Market Area Angus C. Anson TBS #1 Receipt Points Black Dog Power Plant Blue Lake Power Station Cannon Falls Energy Center High Bridge Power Plant Inver Hills Power Plant Mankato Energy Center Ogden Def. Delivery for ultimate redelivery to any power plants referenced herein Riverside Power Plant 3,360 All Market Area All Market Area Receipt Points Delivery Points Effective On: April 1, 2016 Northern Natural Gas Company FERC Gas Tariff Sixth Revised Volume No. 1 Company Fifth Revised Sheet No. 66B.01 Superseding Fourth Revised Sheet No. 66B.01 Contract 116047 Receipt Points Delivery Points Rock Rapids Municipal Utilities Contract 128843 TFX 179/ 200 All Market Area Receipt Points All Market Area Delivery Points Flint Hills Resources Arthur, LLC Contract 128837 TFX 180/ 500 All Market Area Receipt Points All Market Area Delivery Points Issued On: March 31, 2016 Effective On: April 1, 2016 Northern Natural Gas Company FERC Gas Tariff Sixth Revised Volume No. 1 Nineteenth Revised Sheet No. 66B.01a Superseding Eighteenth Revised Sheet No. 66B.01a STATEMENT OF NEGOTIATED RATES 1/ Rate Schedule Negotiated Rate Superior Pipeline Texas, L.L.C. Contract 125122 TFX 141/ 10,000 Superior NNG Demarcation Hemphill Co Plant Cargill, Incorporated Contract 124467 TFX 144/ 15,000 NBPL/NNG Ventura Fort Dodge West Zone ABC – MidAmerican for ultimate redelivery to Fort Dodge West Great River Energy Contract 125861 TFX 147/ 30,000 All Market Area Receipt Points Ventura Def. Delivery GRE Cambridge Power Plant GRE Elk River Plant MID 17 Pooling Point Pleasant Valley Def. Delivery Pleasant Valley Power Plant Ventura Pooling Point Ogden Def. Delivery NBPL/NNG Ventura Interstate Power and Light Company Contract 125799 TFX 154/ 430 All Market Area Receipt Points CF Industries Nitrogen, LLC Contract 126385 TFX 155/ 88,000 All Market Area Receipt Points Midwest Natural Gas, Inc. Contract 127848 TFX 156/ 1,422 All Market Area Receipt Points All Market Area Delivery Points Great Plains Natural Gas Co. Contract 127797 TFX 157/ 1,000 All Market Area Receipt Points All Market Area Delivery Points Dooley’s Natural Gas II, LLC Contract 127785 TFX 158/ 4,300 All Market Area Receipt Points All Market Area Delivery Points Dooley’s Natural Gas II, LLC Contract 127787 TFX 159/ 1,900 All Market Area Receipt Points All Market Area Delivery Points Shipper Name Other Charges Volume Receipt Point(s) _ Delivery Point(s)__ Zone ABC-Interstate Power and Light for ultimate redelivery to Albert City IA #1 or Sibley IA #1 Albert City IA #1 Sibley IA #1 CF Industries Port Neal 2 Occidental Energy Marketing, Inc. Contract 129809 TFX 183/ 5,200 Occidental Permian Gaines DCP Fullerton Plant MID 1-7 Pooling NNG Demarcation Atmos Spraberry El Paso/NNG Plains 26” (Del) EL Pas/NNG Waha Enterprise Texas Pipeline Spraberry MID 1-7 Pooling Oasis/NNG Waha Occidental Permian/ Hobbs City of Sioux Center Contract 128839 TFX 188/ 400 All Market Area Receipt Points All Market Area Delivery Points Hess Corporation Contract 118641 TFX 189/ 30,000 Issued On: March 31, 2016 MID Continent Hess Seminole C02 Pool Plant Permian Pooling Point All Field Area Receipt Points (including pools) Effective On: April 1, 2016 Northern Natural Gas Company FERC Gas Tariff Sixth Revised Volume No. 1 Twenty Third Revised Sheet No. 66B.01b Superseding Twenty Second Revised Sheet No. 66B.01b STATEMENT OF NEGOTIATED RATES 1/ Rate Schedule Negotiated Rate Receipt Point(s) Delivery Point(s)______ Valent Biosciences Corporation Contract 127771 TFX 160/ 1,300 All Market Area Receipt Points Zone ABC-Osage for redelivery to Osage IA #1 Osage IA #1 Ogden Def. Delivery Grain Millers, Inc. Contract 127718 TFX 163/ 250 All Market Area Receipt Points St Ansgar IA #1 Zone ABC-Black Hills And Ogden Def. Delivery for redelivery to St Ansgar IA #1 Interstate Power and Light Company Contract 128848 TFX 177/ 2,000 All Market Area Receipt Points All Market Area Delivery Points MidAmerican Energy Company Contract 116047 TFX 178/ 15,154 All Market Area Receipt Points All Market Area Delivery Points Rock Rapids Municipal Utilities Contract 128843 TFX 179/ 200 All Market Area Receipt Points All Market Area Delivery Points Flint Hills Resources Arthur, LLC Contract 128837 TFX 180/ 500 All Market Area Receipt Points All Market Area Delivery Points Pioneer Natural Resources USA, Inc. Contract 129459 TFX 181/ 20,000 CIG/NNG Dumas NNG Demarcation Occidental Energy TFX Marketing, Inc. Contract 129809 183/ 5,200 Occidental Permian Gaines DCP Fullerton Plant MID 1-7 Pooling NNG Demarcation Atmos Spraberry El Paso/NNG Plains 26” (Del) EL Pas/NNG Waha Enterprise Texas Pipeline Spraberry MID 1-7 Pooling Oasis/NNG Waha Occidental Permian/ Hobbs Shipper Name Other Charges Volume Sheet No. 66B.01b is Reserved for Future Use. Issued On: March 31, 2016 Effective On: April 1, 2016 Northern Natural Gas Company FERC Gas Tariff Sixth Revised Volume No. 1 Seventeenth Revised Sheet No. 66B.01c Superseding Sixteenth Revised Sheet No. 66B.01c STATEMENT OF NEGOTIATED RATES 1/ Shipper Name Tenaska Marketing Ventures Contract 129861 Rate Schedule Negotiated Rate TFX 184/ Other Charges Volume 50,000 Receipt Point(s) Delivery Point(s) Oasis/NNG Waha NNG Demarcation El Paso/NNG Dumas ANR/NNG Greensburg Atmos Spraberry Cheyenne Plains CIG/NNG Dumas Crestwood Indian Creek Plant El Paso/NNG Plains 30”(Rec) El Paso/NNG Waha Kinder Morgan Keystone Storage Winkler MID 1-7 Pooling MID 8-12 Pooling Oneok Westex Reeves Freepoint Commodities LLC Contract 130023 TFX 185/ 40,000 Oasis/NNG Waha El Paso/NNG Waha ETC Marketing, Ltd. Contract 130043 TFX 187/ 30,000 Regency C Line NNG Demarcation MID 8-12 Pooling Regency Antelope Hills Regency Cargray Plant Regency Hemphill Plant Regency Spearman Residue Regency Sunray Plant City of Sioux Center Contract 128839 TFX 188/ 400 All Market Area Receipt Points NNG Demarcation All Market Area Delivery Points Sheet No. 66B.01c is Reserved for Future Use. Issued On: March 31, 2016 Effective On: April 1, 2016 Northern Natural Gas Company FERC Gas Tariff Sixth Revised Volume No. 1 Fourth Revised Sheet No. 66B.02 Superseding Third Revised Sheet No. 66B.02 1/ Unless otherwise noted, negotiated Service Agreements do not deviate in any material respect from the applicable form of service agreement set forth in Northern's FERC Gas Tariff. 3/ The rate stated in the Negotiated Rate column is exclusive of all surcharges. 5/ For the period 02/01/2014 until 01/31/2019, Shipper shall pay a base reservation rate equal to maximum rates provided in Northern's FERC Gas Tariff, as revised from time to time, plus $0.02/Dth/day. In addition, Shipper shall (i) pay a commodity rate equal to the maximum commodity rate provided in Northern's FERC Gas Tariff as revised from time to time, (ii) provide any applicable fuel use and unaccounted for, and (iii) pay all FERC-approved surcharges applicable to the service provided hereunder. 10/ For the period 10/01/2006 through 09/30/2016 for the contract MDQ, Shipper shall pay a total monthly reservation charge equal to $0.3600/Dth multiplied by the contract MDQ multiplied by 30.4. In addition, Shipper shall pay a commodity rate equal to the maximum rate provided in Northern's FERC Gas Tariff as amended from time to time. These rates include the applicable Annual Charge Adjustment and electric compression charges. In addition to the above rate(s), Shipper shall pay any applicable fuel use and unaccounted for. 11/ As noted on Tariff Sheet Nos. 80, 80A or 80B this contract is also a non-conforming agreement. 15/ For the period 11/01/2006 until 10/31/2016 Shipper shall pay a monthly firm reservation charge equal to the MDQ multiplied by $0.363/Dth/day multiplied by 30.4. In addition, Shipper shall pay the maximum commodity rate as specified in Northern's Tariff, as amended from time to time, for all volumes delivered; plus all current and future applicable surcharges. In addition, Shipper shall pay fuel use and unaccounted for and electric compression charges in accordance with Northern's FERC Gas Tariff. The rate is applicable from any Market Area receipt point for deliveries to the Ethanol Plant Primary Delivery Point. If on any day Shipper uses any of the entitlement identified in this Agreement at any other delivery point, the rate will not be applicable. If this entitlement is used at any other delivery point during one day of a month, the contract rate for the month for such volume used at any other delivery point shall be the maximum TFX tariff rate for the month multiplied by 2. 21/ For the period 3/01/2007 until 02/28/2017, for the contract MDQ, Shipper shall pay a total monthly reservation charge equal to $0.3367/Dth multiplied by the contract MDQ multiplied by 30.4. In addition, Shipper shall pay a commodity rate equal to the maximum rate provided in Northern's FERC Gas Tariff as amended from time to time. These rates include the applicable Annual Charge Adjustment and electronic compression charges. In addition to the above rate(s), Shipper shall pay any applicable fuel use and unaccounted for. The rate stated herein is applicable to the receipt and (or) delivery points listed. Shipper agrees that if any other receipt or delivery points (POI) are used either on a primary or alternate basis, the higher of the maximum annual average rates or the $0.3367/Dth/day rate will apply for the entire contract during the month that any points not listed are used. In addition to the above rates, Shipper shall pay the FERC approved Carlton surcharge and all FERC approved surcharges that are made effective after the effective date of this Amendment and applicable to the service provided hereunder. Issued On: March 31, 2016 Effective On: April 1, 2016 Northern Natural Gas Company FERC Gas Tariff Sixth Revised Volume No. 1 7/ Fourth Revised Sheet No. 66B.03 Superseding Third Revised Sheet No. 66B.03 For the period 4/1/2006 until 3/31/2016, Shipper shall pay a total monthly reservation charge equal to $0.3700/Dth multiplied by the contract MDQ multiplied by 30.4. In addition, Shipper shall pay a commodity rate equal to the maximum rate provided in Northern's FERC Gas Tariff as amended from time to time. These rates include the current applicable Annual Charge Adjustment and electric compression charges. 9/ For the period 04/01/2006 through 03/31/2016, Shipper shall pay a total monthly reservation charge equal to $0.3700/Dth/day. This rate includes all current and future reservation surcharges. In addition, Shipper shall pay (i) a commodity rate equal to the maximum rate provided in Northern's FERC Gas Tariff as amended from time to time. These rates include the applicable Annual Charge Adjustment and electric compression charges; (ii) the FERC approved Carlton Commodity Surcharge; and (iii) all FERC approved commodity surcharges that are made effective after the effective date of this Amendment and applicable to the service provided hereunder. 10/ For the period 10/01/2006 through 09/30/2016 for the contract MDQ, Shipper shall pay a total monthly reservation charge equal to $0.3600/Dth multiplied by the contract MDQ multiplied by 30.4. In addition, Shipper shall pay a commodity rate equal to the maximum rate provided in Northern's FERC Gas Tariff as amended from time to time. These rates include the applicable Annual Charge Adjustment and electric compression charges. In addition to the above rate(s), Shipper shall pay any applicable fuel use and unaccounted for. 11/ As noted on Tariff Sheet Nos. 80, 80A or 80B this contract is also a non-conforming agreement. 23/ For the period 4/1/2007 through 4/30/2017, for the contract MDQ, Shipper shall pay a total monthly reservation charge equal to $0.3366/Dth multiplied by the contract MDQ multiplied by 30.4. In addition, Shipper shall pay a commodity rate equal to the maximum rate provided in Northern's FERC Gas Tariff as amended from time to time. These rates include the applicable Annual Charge Adjustment and electric compression charges. In addition to the above rates, Shipper shall pay any applicable fuel use and unaccounted for. In addition to the above rates, Shipper shall pay the FERC approved Carlton surcharge and all FERC approved surcharges that are made effective after the effective date of this Amendment and applicable to the service provided hereunder. 30/ For the period 11/1/2007 through 10/31/2019, Shipper shall pay a monthly reservation charge equal to $0.3465/Dth/day multiplied by the contract MDQ multiplied by 30.4. In addition, Shipper shall pay a commodity rate equal to the maximum rate provided in Northern's FERC Gas Tariff as amended from time to time. These rates include the applicable Annual Charge Adjustment and electric compression charges. In addition to the above rate(s), Shipper shall pay any applicable fuel use and unaccounted for. In addition to the above rates, Shipper shall pay all FERC approved surcharges that are effective after the effective date of this Amendment and applicable to the service provided hereunder. 33/ For the period 11/1/2007 through 10/31/2017, Shipper shall pay a total monthly reservation charge equal to $0.4329/Dth/day multiplied by the contract MDQ multiplied by 30.4. In addition, Shipper shall pay a commodity rate equal to the maximum rate provided in Northern's FERC Gas Tariff as amended from time to time. These rates include the applicable Annual Charge Adjustment and electric compression charges. In addition to the above rate(s), Shipper shall pay any applicable fuel use and unaccounted for. In addition to the above rates, Shipper shall pay all FERC approved surcharges that are made effective after the effective date of this Amendment and applicable to the service provided hereunder. 37/ For the period 04/01/2008 through 03/31/2018, for the contract MDQ, Shipper shall pay a total monthly reservation rate equal to $0.3367/DTH multiplied by the contract MDQ multiplied by 30.4. In addition, Shipper shall pay a commodity rate equal to the maximum rate provided in Northern's FERC Gas Tariff as revised from time to time. These rates include the applicable Annual Charge Adjustment and electric compression charges. In Issued On: March 31, 2016 Effective On: April 1, 2016 Northern Natural Gas Company FERC Gas Tariff Sixth Revised Volume No. 1 Fourth Revised Sheet No. 66B.03 Superseding Third Revised Sheet No. 66B.03 addition to the above rate(s), Shipper shall provide any applicable fuel use and unaccounted for. The negotiated rate stated above is applicable to all receipt and delivery points in Northern's Market Area; provided, however, if the negotiated rate stated herein becomes less than the annual average of the maximum rates set forth in Northern's FERC Gas Tariff, such rate would be applicable only to the receipt and delivery points listed below. In such event, if any other points are used either on a primary or alternate basis, the negotiated rate will not be applicable and the annual average of the applicable maximum rate will apply for the entire contract during the month that any points not listed are used. In addition to the above rate(s), Shipper shall pay (a) the FERC approved Carlton surcharge, if applicable, and (b) all FERC approved surcharges that are made effective after the effective date of this Amendment and applicable to the service provided hereunder. Issued On: March 31, 2016 Effective On: April 1, 2016 Northern Natural Gas Company FERC Gas Tariff Sixth Revised Volume No. 1 Seventh Revised Sheet No. 66B.04 Superseding Sixth Revised Sheet No. 66B.04 15/ For the period 11/01/2006 until 10/31/2016 Shipper shall pay a monthly firm reservation charge equal to the MDQ multiplied by $0.363/Dth/day multiplied by 30.4. In addition, Shipper shall pay the maximum commodity rate as specified in Northern's Tariff, as amended from time to time, for all volumes delivered; plus all current and future applicable surcharges. In addition, Shipper shall pay fuel use and unaccounted for and electric compression charges in accordance with Northern's FERC Gas Tariff. The rate is applicable from any Market Area receipt point for deliveries to the Ethanol Plant Primary Delivery Point. If on any day Shipper uses any of the entitlement identified in this Agreement at any other delivery point, the rate will not be applicable. If this entitlement is used at any other delivery point during one day of a month, the contract rate for the month for such volume used at any other delivery point shall be the maximum TFX tariff rate for the month multiplied by 2. 21/ For the period 3/01/2007 until 02/28/2017, for the contract MDQ, Shipper shall pay a total monthly reservation charge equal to $0.3367/Dth multiplied by the contract MDQ multiplied by 30.4. In addition, Shipper shall pay a commodity rate equal to the maximum rate provided in Northern's FERC Gas Tariff as amended from time to time. These rates include the applicable Annual Charge Adjustment and electronic compression charges. In addition to the above rate(s), Shipper shall pay any applicable fuel use and unaccounted for. The rate stated herein is applicable to the receipt and (or) delivery points listed. Shipper agrees that if any other receipt or delivery points (POI) are used either on a primary or alternate basis, the higher of the maximum annual average rates or the $0.3367/Dth/day rate will apply for the entire contract during the month that any points not listed are used. In addition to the above rates, Shipper shall pay the FERC approved Carlton surcharge and all FERC approved surcharges that are made effective after the effective date of this Amendment and applicable to the service provided hereunder. 23/ For the period 4/1/2007 through 4/30/2017, for the contract MDQ, Shipper shall pay a total monthly reservation charge equal to $0.3366/Dth multiplied by the contract MDQ multiplied by 30.4. In addition, Shipper shall pay a commodity rate equal to the maximum rate provided in Northern's FERC Gas Tariff as amended from time to time. These rates include the applicable Annual Charge Adjustment and electric compression charges. In addition to the above rates, Shipper shall pay any applicable fuel use and unaccounted for. In addition to the above rates, Shipper shall pay the FERC approved Carlton surcharge and all FERC approved surcharges that are made effective after the effective date of this Amendment and applicable to the service provided hereunder. 47/ For the period 07/01/2008 through 06/30/2018, for the contract MDQ, Shipper shall pay a total monthly reservation charge equal to $0.7207/Dth multiplied by the contract MDQ multiplied by 30.4. In addition, Shipper shall pay a commodity rate equal to the minimum rate provided in Northern's FERC Gas Tariff as amended from time to time. These rates include the applicable Annual Charge Adjustment and electric compression charges. In addition to the above rate(s), Shipper shall provide any applicable fuel use and unaccounted for. In addition to the above rates, Shipper shall pay (i) the FERC approved Carlton surcharge and (ii) all FERC approved surcharges that are made effective after the effective date of this Amendment and applicable to the service provided hereunder. 48/ For the period 07/01/2008 through 07/15/2008, for the contract MDQ, Shipper shall pay a base reservation rate equal to $0.0000/DTH/day, and a commodity rate equal to the maximum rate provided in Northern's FERC Gas Tariff. These rates include the applicable Annual Charge Adjustment and electric compression charges. For the period 07/16/2008 through 08/31/2018, for the contract MDQ, Shipper shall pay a total monthly reservation rate equal to $0.4583/DTH multiplied by the contract MDQ multiplied by 30.4. In addition, Shipper shall pay a commodity rate equal to the maximum rate provided in Northern's FERC Gas Tariff as revised from time to time. These rates include the applicable Annual Charge Adjustment and electric compression charges. For the period 07/16/2008 through 08/31/2008, the contract MDQ shall be 0 DTH/day. Issued On: March 31, 2016 Effective On: April 1, 2016 Northern Natural Gas Company FERC Gas Tariff Sixth Revised Volume No. 1 Seventh Revised Sheet No. 66B.04 Superseding Sixth Revised Sheet No. 66B.04 For the month of September 2008, Shipper shall pay an additional reservation charge equal to a one-time total of $202,915.00. In addition to the above rate(s), Shipper shall pay any applicable fuel use and unaccounted for. In addition to the above rate(s), Shipper shall pay (i) the FERC approved Carlton surcharge and (ii) all FERC approved surcharges that are made effective after the effective date of this Amendment and applicable to the service provided hereunder. Issued On: March 31, 2016 Effective On: April 1, 2016 Northern Natural Gas Company FERC Gas Tariff Sixth Revised Volume No. 1 Fourth Revised Sheet No. 66B.05 Superseding Third Revised Sheet No. 66B.05 30/ For the period 11/1/2007 through 10/31/2019, Shipper shall pay a monthly reservation charge equal to $0.3465/Dth/day multiplied by the contract MDQ multiplied by 30.4. In addition, Shipper shall pay a commodity rate equal to the maximum rate provided in Northern's FERC Gas Tariff as amended from time to time. These rates include the applicable Annual Charge Adjustment and electric compression charges. In addition to the above rate(s), Shipper shall pay any applicable fuel use and unaccounted for. In addition to the above rates, Shipper shall pay all FERC approved surcharges that are effective after the effective date of this Amendment and applicable to the service provided hereunder. 49/ For the period 03/01/2009 through 10/31/2018, Shipper shall pay a base reservation rate equal to an annual average rate of $0.2200/DTH/day, inclusive of surcharges, and a commodity rate equal to the maximum rate provided in Northern's FERC Gas Tariff as revised from time to time; plus: Whenever Shipper utilizes Demarcation as a alternate receipt point, one or a combination of the following; as applicable, to reflect Shipper's actual gas purchase costs on any given day, on all volumes actually receipted by Shipper at Demarcation for service under this Agreement: i. For volumes purchased on a daily basis, fifty percent (50%) of the difference between the daily "Gas Daily" Index prices at the Ventura and Demarcation pricing points on Northern, ii. For volumes purchased and base loaded for the month, fifty percent (50%) of the difference between the "Inside FERC" First of the Month Index prices at the Ventura and Demarcation pricing points on Northern. Shipper shall provide Northern the applicable index price(s) subject to reasonable verification by Northern. This sharing mechanism is only applicable when the Ventura price is higher than the Demarcation price; or Whenever Shipper uses an alternate receipt point other than Demarcation, fifty-percent (50%) of the difference between the daily prices at the alternate receipt point and the daily "Gas Daily" Index price at the Ventura pricing point on Northern on all volumes actually receipted by Shipper at the alternate receipt point for service under this Agreement. This sharing mechanism is only applicable when the Ventura price is higher than the alternate receipt point. For purposes of determining the daily price at the alternate receipt point other than Demarcation, Northern and Shipper will agree to utilize Shipper's actual gas purchase costs at the alternate receipt point as provided by Shipper and subject to reasonable verification by Northern. In addition, as provided for in Northern's FERC Gas Tariff, Shipper shall provide any applicable fuel use and unaccounted-for, and shall pay any applicable electric compression charge and the Carlton commodity surcharge. With the exception of alternate deliveries to Mankato MN #1 TBS, during the months of November through March, the rates above are applicable to the Alternate Delivery Points listed for ultimate consumption at Shipper's other facilities provided Shipper is unable to use the capacity at the Primary Delivery Point due to Shipper's operational reasons; however, the rate shall not be applicable for more than thirty (30) days during each November through March period. With the exception of Mankato MN #1 TBS, during the months of April through October, the rates are applicable to the Alternate Delivery Points listed for ultimate consumption at Shipper's other facilities without regard whether the capacity can be used at the Primary Delivery Point. For alternate delivery to the Mankato MN #1 TBS, the rates above will apply plus Shipper shall pay Northern an additional amount as follows: i. During the months of November through March, an amount equal to $0.25/DTH multiplied by the DTH of gas delivered during the month. ii. During the months of April through October, an amount equal to $0.10/DTH multiplied by the DTH of gas delivered during the month. The provisions for alternate delivery to the Mankato MN #1 TBS shall be effective through October 31, 2018. If the capacity is scheduled at (1) an Alternate Delivery Point but not in accordance with paragraphs f. and g., or (2) at an alternate delivery point not listed below, Shipper shall pay Northern an additional $0.2500/DTH/day for the entire month for each DTH of service used at an Alternate Delivery Point not in accordance with the above, or at another alternate delivery point. Alternate Delivery Points - Cedar Rapids/Vinton TBS, Des Moines #1a, Fremont #1, Lincoln #1B, Zone ABCMidAmerican. Issued On: March 31, 2016 Effective On: April 1, 2016 Northern Natural Gas Company FERC Gas Tariff Sixth Revised Volume No. 1 Fourth Revised Sheet No. 66B.06 Superseding Third Revised Sheet No. 66B.06 33/ For the period 11/1/2007 through 10/31/2017, Shipper shall pay a total monthly reservation charge equal to $0.4329/Dth/day multiplied by the contract MDQ multiplied by 30.4. In addition, Shipper shall pay a commodity rate equal to the maximum rate provided in Northern's FERC Gas Tariff as amended from time to time. These rates include the applicable Annual Charge Adjustment and electric compression charges. In addition to the above rate(s), Shipper shall pay any applicable fuel use and unaccounted for. In addition to the above rates, Shipper shall pay all FERC approved surcharges that are made effective after the effective date of this Amendment and applicable to the service provided hereunder. 37/For the period 04/01/2008 through 03/31/2018, for the contract MDQ, Shipper shall pay a total monthly reservation rate equal to $0.3367/DTH multiplied by the contract MDQ multiplied by 30.4. In addition, Shipper shall pay a commodity rate equal to the maximum rate provided in Northern's FERC Gas Tariff as revised from time to time. These rates include the applicable Annual Charge Adjustment and electric compression charges. In addition to the above rate(s), Shipper shall provide any applicable fuel use and unaccounted for. The negotiated rate stated above is applicable to all receipt and delivery points in Northern's Market Area; provided, however, if the negotiated rate stated herein becomes less than the annual average of the maximum rates set forth in Northern's FERC Gas Tariff, such rate would be applicable only to the receipt and delivery points listed below. In such event, if any other points are used either on a primary or alternate basis, the negotiated rate will not be applicable and the annual average of the applicable maximum rate will apply for the entire contract during the month that any points not listed are used. In addition to the above rate(s), Shipper shall pay (a) the FERC approved Carlton surcharge, if applicable, and (b) all FERC approved surcharges that are made effective after the effective date of this Amendment and applicable to the service provided hereunder. 50/ For the period 09/01/2008 through 8/31/2018, for the contract MDQ, Shipper shall pay a total monthly reservation charge equal to $0.5164/DTH multiplied by the contract MDQ multiplied by 30.4. In addition, Shipper shall pay a commodity rate equal to the maximum rate provided in Northern's FERC Gas Tariff as amended from time to time. These rates include the applicable Annual Charge Adjustment and electric compression charges. In addition to the above rate(s), Shipper shall pay any applicable fuel use and unaccounted for. In addition to the above rates, Shipper shall pay (a) the FERC approved Carlton surcharge and (b) all FERC approved surcharges that are made effective after the effective date of this Amendment and applicable to the service provided hereunder. 52/ For the period 11/01/2008 through 10/31/2018, for the contract MDQ, Shipper shall pay a total monthly reservation charge equal to $0.4330/Dth multiplied by the contract MDQ multiplied by 30.4. In addition, Shipper shall pay a commodity rate equal to the maximum rate provided in Northern's FERC Gas Tariff as amended from time to time. These rates include the applicable Annual Charge Adjustment and electric compression charges. In addition to the above rate(s), Shipper shall pay any applicable fuel use and unaccounted for. The negotiated rate stated above is applicable to all receipt and delivery points in Northern's Market Area; provided, however, if the negotiated rate becomes less than the annual average of the maximum rates set forth in Northern's FERC Gas Tariff, such rate would be applicable only to the receipt and delivery points listed below. If any other points are used either on a primary or alternate basis, the negotiated rate will not be applicable and the annual average of the applicable maximum rates will apply for the entire contract during the month that any points not listed below are used. Primary Receipt Point: NBPL/NNG Welcome Primary Delivery Point: Galva Ethanol Plant Alternate Receipt Point: Ogden Deferred Delivery Alternate Delivery Point: Ogden Deferred Delivery In addition to the above rates, Shipper shall pay (i) the FERC approved Carlton surcharge and (ii) all FERC approved surcharges that are made effective after the effective date of this Amendment and applicable to the service provided hereunder. Issued On: March 31, 2016 Effective On: April 1, 2016 Northern Natural Gas Company FERC Gas Tariff Sixth Revised Volume No. 1 54/ Fourth Revised Sheet No. 66B.06 Superseding Third Revised Sheet No. 66B.06 For the period 11/01/2008 through 10/31/2018, for 400 DTH/day of entitlement at Ft. Mccoy #1 and 2,400 DTH/day of entitlement at Lacrosse #1, Shipper shall pay a reservation rate equal to the greater of the annual average of the maximum TFX rates provided in Northern's FERC Gas Tariff as revised from time to time or a negotiated rate equal to $0.4338/DTH/day rate. For the remaining 127 DTH/day of entitlement at LaCrosse #1, Shipper shall pay a reservation rate equal to the maximum rate provided in Northern's FERC Gas Tariff as revised from time to time. In addition to the above rates, Shipper shall (i) pay a commodity rate equal to the maximum rate provided in Northern's FERC Gas Tariff as revised from time to time, (ii) provide fuel use and unaccounted-for, and (iii) pay any applicable FERC-approved reservation and commodity surcharges. Issued On: March 31, 2016 Effective On: April 1, 2016 Northern Natural Gas Company FERC Gas Tariff Sixth Revised Volume No. 1 Second Revised Sheet No. 66B.07 Superseding First Revised Sheet No. 66B.07 47/ For the period 07/01/2008 through 06/30/2018, for the contract MDQ, Shipper shall pay a total monthly reservation charge equal to $0.7207/Dth multiplied by the contract MDQ multiplied by 30.4. In addition, Shipper shall pay a commodity rate equal to the minimum rate provided in Northern's FERC Gas Tariff as amended from time to time. These rates include the applicable Annual Charge Adjustment and electric compression charges. In addition to the above rate(s), Shipper shall provide any applicable fuel use and unaccounted for. In addition to the above rates, Shipper shall pay (i) the FERC approved Carlton surcharge and (ii) all FERC approved surcharges that are made effective after the effective date of this Amendment and applicable to the service provided hereunder. 48/ For the period 07/01/2008 through 07/15/2008, for the contract MDQ, Shipper shall pay a base reservation rate equal to $0.0000/DTH/day, and a commodity rate equal to the maximum rate provided in Northern's FERC Gas Tariff. These rates include the applicable Annual Charge Adjustment and electric compression charges. For the period 07/16/2008 through 08/31/2018, for the contract MDQ, Shipper shall pay a total monthly reservation rate equal to $0.4583/DTH multiplied by the contract MDQ multiplied by 30.4. In addition, Shipper shall pay a commodity rate equal to the maximum rate provided in Northern's FERC Gas Tariff as revised from time to time. These rates include the applicable Annual Charge Adjustment and electric compression charges. For the period 07/16/2008 through 08/31/2008, the contract MDQ shall be 0 DTH/day. For the month of September 2008, Shipper shall pay an additional reservation charge equal to a one-time total of $202,915.00. In addition to the above rate(s), Shipper shall pay any applicable fuel use and unaccounted for. In addition to the above rate(s), Shipper shall pay (i) the FERC approved Carlton surcharge and (ii) all FERC approved surcharges that are made effective after the effective date of this Amendment and applicable to the service provided hereunder. 55/ For the period 05/01/2009 through 10/31/2018, Shipper shall pay (i) a total monthly reservation charge equal to $197.00/Dth on 10 Dth/day; and (ii) the maximum reservation rate provided in Northern's FERC Gas Tariff as revised from time to time on the remaining 490 Dth/day. In addition, Shipper shall pay a commodity rate equal to the maximum rate provided in Northern's FERC Gas Tariff as amended from time to time. These rates include the applicable Annual Charge Adjustment and electric compression charges. In addition to the above rate(s), Shipper shall pay any applicable fuel use and unaccounted for. The negotiated rate stated above is applicable to all receipt and delivery points in Northern's Market Area; provided, however, if the negotiated rate becomes less than the annual average of the maximum rates set forth in Northern's FERC Gas Tariff, such rate would be applicable only to the receipt and delivery points listed below. If any other points are used either on a primary or alternate basis, the negotiated rate will not be applicable and the annual average of the applicable maximum rates will apply for the entire contract during the month that any points not listed below are used. Primary Receipt Point: NBPL/NNG Welcome Primary Delivery Point: Galva Ethanol Plant Alternate Receipt Point: Ogden Deferred Delivery Alternate Delivery Point: Ogden Deferred Delivery In addition to the above rates, Shipper shall pay (i) the FERC approved Carlton surcharge and (ii) all FERC approved surcharges that are made effective after the effective date of this Amendment and applicable to the service provided hereunder. 91/ For the period 11/01/2009 through 10/31/2019, for the contract MDQ, Shipper shall pay a negotiated reservation rate equal to $0.40/Dth multiplied by the contract MDQ multiplied by 30.4. In addition, Shipper shall pay a commodity rate equal to the maximum rate provided in Northern's FERC Gas Tariff as revised from time to time. These rates include the applicable Annual Charge Adjustment and electric compression charges. Issued On: March 31, 2016 Effective On: April 1, 2016 Northern Natural Gas Company FERC Gas Tariff Sixth Revised Volume No. 1 Second Revised Sheet No. 66B.07 Superseding First Revised Sheet No. 66B.07 In addition to the above rate(s), Shipper shall provide any applicable fuel use and unaccounted for. If the negotiated rate stated herein becomes less than the annual average of the maximum rates set forth in Northern's FERC Gas Tariff, such rate would be applicable only to the receipt and delivery points listed below. If any other points are used either on a primary or alternate basis, the negotiated rate will not be applicable and the annual average of the applicable maximum rate will apply for the entire contract during the month that any points not listed below are used. Primary Receipt Point - GRLKS/NNG Carlton Primary Delivery Point - Zone EF-Wisconsin Gas for ultimate redelivery to Grantsburg TBS #1. In addition to the above rate(s), Shipper shall pay (a) the FERC approved Carlton surcharge, if applicable, and (b) all FERC approved surcharges that are made effective after the effective date of this amendment and applicable to the service provided hereunder. The MDQ for the period 11/01/2009 through 10/31/2010 is 647 Dth/day. The MDQ for the period 11/01/2010 through 10/31/2011 is 969 Dth/day. The MDQ for the period 11/01/2011 through 10/31/2019 is 1,300 Dth/day. Issued On: March 31, 2016 Effective On: April 1, 2016 Northern Natural Gas Company FERC Gas Tariff Sixth Revised Volume No. 1 49/ Fourth Revised Sheet No. 66B.08 Superseding Third Revised Sheet No. 66B.08 For the period 03/01/2009 through 10/31/2018, Shipper shall pay a base reservation rate equal to an annual average rate of $0.2200/DTH/day, inclusive of surcharges, and a commodity rate equal to the maximum rate provided in Northern's FERC Gas Tariff as revised from time to time; plus: Whenever Shipper utilizes Demarcation as a alternate receipt point, one or a combination of the following; as applicable, to reflect Shipper's actual gas purchase costs on any given day, on all volumes actually receipted by Shipper at Demarcation for service under this Agreement: i. For volumes purchased on a daily basis, fifty percent (50%) of the difference between the daily "Gas Daily" Index prices at the Ventura and Demarcation pricing points on Northern, ii. For volumes purchased and base loaded for the month, fifty percent (50%) of the difference between the "Inside FERC" First of the Month Index prices at the Ventura and Demarcation pricing points on Northern. Shipper shall provide Northern the applicable index price(s) subject to reasonable verification by Northern. This sharing mechanism is only applicable when the Ventura price is higher than the Demarcation price; or Whenever Shipper uses an alternate receipt point other than Demarcation, fifty-percent (50%) of the difference between the daily prices at the alternate receipt point and the daily "Gas Daily" Index price at the Ventura pricing point on Northern on all volumes actually receipted by Shipper at the alternate receipt point for service under this Agreement. This sharing mechanism is only applicable when the Ventura price is higher than the alternate receipt point. For purposes of determining the daily price at the alternate receipt point other than Demarcation, Northern and Shipper will agree to utilize Shipper's actual gas purchase costs at the alternate receipt point as provided by Shipper and subject to reasonable verification by Northern. In addition, as provided for in Northern's FERC Gas Tariff, Shipper shall provide any applicable fuel use and unaccounted-for, and shall pay any applicable electric compression charge and the Carlton commodity surcharge. With the exception of alternate deliveries to Mankato MN #1 TBS, during the months of November through March, the rates above are applicable to the Alternate Delivery Points listed for ultimate consumption at Shipper's other facilities provided Shipper is unable to use the capacity at the Primary Delivery Point due to Shipper's operational reasons; however, the rate shall not be applicable for more than thirty (30) days during each November through March period. With the exception of Mankato MN #1 TBS, during the months of April through October, the rates are applicable to the Alternate Delivery Points listed for ultimate consumption at Shipper's other facilities without regard whether the capacity can be used at the Primary Delivery Point. For alternate delivery to the Mankato MN #1 TBS, the rates above will apply plus Shipper shall pay Northern an additional amount as follows: i. During the months of November through March, an amount equal to $0.25/DTH multiplied by the DTH of gas delivered during the month. ii. During the months of April through October, an amount equal to $0.10/DTH multiplied by the DTH of gas delivered during the month. The provisions for alternate delivery to the Mankato MN #1 TBS shall be effective through October 31, 2018. If the capacity is scheduled at (1) an Alternate Delivery Point but not in accordance with paragraphs f. and g., or (2) at an alternate delivery point not listed below, Shipper shall pay Northern an additional $0.2500/DTH/day for the entire month for each DTH of service used at an Alternate Delivery Point not in accordance with the above, or at another alternate delivery point. Alternate Delivery Points - Cedar Rapids/Vinton TBS, Des Moines #1a, Fremont #1, Lincoln #1B, Zone ABCMidAmerican. 129/ For the period 4/01/2012 through 10/31/2017, Shipper shall pay a discounted base reservation rate equal to $0.0800/Dth/Day for 20,000 Dth of summer Market Area MDQ. This rate shall not be above the maximum rate or below the minimum rate set forth in Northern's FERC Gas Tariff. In the event the rate becomes greater than the maximum or less than the minimum under Northern's FERC Gas Tariff, as revised from time to time, then Shipper agrees that Northern will immediately decrease the rate herein down to the maximum or increase the rate herein up to the minimum. In such event, other rate components may be adjusted upward or downward to achieve the agreed-upon overall rate, provided that the resulting rate component shall not exceed the maximum rate or be below the minimum rate applicable to the rate component. Shipper shall pay a volumetric reservation rate equal to $0.0800/Dth multiplied by the daily volumes delivered pursuant to this Agreement greater than or equal to 20,001 Dth up to and including 27,360 Dth. Northern shall have the unilateral right with 60 days advance written notice to convert this volumetric entitlement to maximum tariff rates. If Northern provides such notice, Shipper shall have the unilateral right to reduce the volumetric MDQ of this Agreement by up to 7,360 Dth/day by providing Northern written notice within 30 days of Issued On: March 31, 2016 Effective On: April 1, 2016 Northern Natural Gas Company FERC Gas Tariff Sixth Revised Volume No. 1 Fourth Revised Sheet No. 66B.08 Superseding Third Revised Sheet No. 66B.08 Northern's notice, such reduction to be effective at Shipper's election as of the date of Shipper's written notice or 60 days following the date of Northern's notice. In addition, Shipper shall (i) pay a commodity rate equal to the maximum commodity rate provided in Northern's FERC Gas Tariff as amended from time to time (this rate includes the applicable Annual Charge Adjustment and electric compression charges), (ii) provide any applicable fuel use and unaccounted for, and (iii) pay all FERC approved surcharges applicable to the service provided hereunder. The rates set forth above are applicable during the months of April through October to the receipt and (or) delivery points (POI) listed. Shipper agrees that if any receipt or delivery points not listed are used either on a primary or alternate basis, the rates set forth herein will not be applicable and Northern's maximum reservation and commodity rates will apply for the entire contract MDQ during the month that any points not listed are used. 130/ For the period 4/01/2012 through 10/31/2017, Shipper shall pay a discounted base reservation rate equal to $0.0800/Dth/Day for 10,600 Dth of summer Market Area MDQ. This rate shall not be above the maximum rate or below the minimum rate set forth in Northern's FERC Gas Tariff. In the event the rate becomes greater than the maximum or less than the minimum under Northern's FERC Gas Tariff, as revised from time to time, then Shipper agrees that Northern will immediately decrease the rate herein down to the maximum or increase the rate herein up to the minimum. In such event, other rate components may be adjusted upward or downward to achieve the agreed-upon overall rate, provided that the resulting rate component shall not exceed the maximum rate or be below the minimum rate applicable to the rate component. Shipper shall pay a volumetric reservation rate equal to $0.0800/Dth multiplied by the daily volumes delivered pursuant to this Agreement greater than or equal to 10,601 Dth up to and including 41,560 Dth. Northern shall have the unilateral right with 60 days advance written notice to convert this volumetric entitlement to maximum tariff rates. If Northern provides such notice, Shipper shall have the unilateral right to reduce the volumetric MDQ of this Agreement by up to 30,960 Dth/day by providing Northern written notice within 30 days of Northern's notice, such reduction to be effective at Shipper's election as of the date of Shipper's written notice or 60 days following the date of Northern's notice. In addition, Shipper shall (i) pay a commodity rate equal to the maximum commodity rate provided in Northern's FERC Gas Tariff as amended from time to time (this rate includes the applicable Annual Charge Adjustment and electric compression charges), (ii) provide any applicable fuel use and unaccounted for, and (iii) pay all FERC approved surcharges applicable to the service provided hereunder. The rates set forth above are applicable during the months April through October to the receipt and (or) delivery points (POI) listed. Shipper agrees that if any receipt or delivery points not listed are used either on a primary or alternate basis, the rates set forth herein will not be applicable and Northern's maximum rates will apply for the entire contract MDQ during the month that any points not listed are used. Issued On: March 31, 2016 Effective On: April 1, 2016 Northern Natural Gas Company FERC Gas Tariff Sixth Revised Volume No. 1 Third Revised Sheet No. 66B.09 Superseding Second Revised Sheet No. 66B.09 50/ For the period 09/01/2008 through 8/31/2018, for the contract MDQ, Shipper shall pay a total monthly reservation charge equal to $0.5164/DTH multiplied by the contract MDQ multiplied by 30.4. In addition, Shipper shall pay a commodity rate equal to the maximum rate provided in Northern's FERC Gas Tariff as amended from time to time. These rates include the applicable Annual Charge Adjustment and electric compression charges. In addition to the above rate(s), Shipper shall pay any applicable fuel use and unaccounted for. In addition to the above rates, Shipper shall pay (a) the FERC approved Carlton surcharge and (b) all FERC approved surcharges that are made effective after the effective date of this Amendment and applicable to the service provided hereunder. 131/ For the period 4/01/2012 through 10/31/2017, Shipper shall pay a discounted base reservation rate equal to $0.0800/Dth/Day for 13,400 Dth of summer Market Area MDQ. This rate shall not be above the maximum rate or below the minimum rate set forth in Northern's FERC Gas Tariff. In the event the rate becomes greater than the maximum or less than the minimum under Northern's FERC Gas Tariff, as revised from time to time, then Shipper agrees that Northern will immediately decrease the rate herein down to the maximum or increase the rate herein up to the minimum. In such event, other rate components may be adjusted upward or downward to achieve the agreed-upon overall rate, provided that the resulting rate component shall not exceed the maximum rate or be below the minimum rate applicable to the rate component. Shipper shall pay a volumetric reservation rate equal to $0.0800/Dth multiplied by the daily volumes delivered pursuant to this Agreement greater than or equal to 13,401 Dth up to and including 31,080 Dth. Northern shall have the unilateral right with 60 days advance written notice to convert this volumetric entitlement to maximum tariff rates. If Northern provides such notice, Shipper shall have the unilateral right to reduce the volumetric MDQ of this Agreement by up to 17,680 Dth/day by providing Northern written notice within 30 days of Northern's notice, such reduction to be effective at Shipper's election as of the date of Shipper's written notice or 60 days following the date of Northern's notice. In addition, Shipper shall (i) pay a commodity rate equal to the maximum commodity rate provided in Northern's FERC Gas Tariff as amended from time to time (this rate includes the applicable Annual Charge Adjustment and electric compression charges), (ii) provide any applicable fuel use and unaccounted for, and (iii) pay all FERC approved surcharges applicable to the service provided hereunder. The rates set forth above are applicable during the months of April through October to the receipt and (or) delivery points (POI) listed. Shipper agrees that if any receipt or delivery points not listed are used either on a primary or alternate basis, the rates set forth herein will not be applicable and Northern's maximum reservation and commodity rates will apply for the entire contract MDQ during the month that any points not listed are used. 134/ For the period 4/1/2013 through 09/30/2022, Shipper shall pay the maximum tariff reservation rates provided in Northern's FERC Gas Tariff, as revised from time to time, plus an amount equal to $0.08/Dth/day. In addition, Shipper shall pay the maximum commodity rates, provide any applicable fuel use and unaccounted-for, and pay any applicable FERC-approved reservation and commodity surcharges. 141/ For the period 11/01/2015 through 10/31/2016, the total daily charge for the Contract MDQ shall be the MDQ multiplied by the arithmetic value obtained from the formula ((X) minus (Y) minus ((A) times (Y))) (rate) where (X) = the Inside FERC's FOM Gas Market Report Midpoint price at Northern Natural Gas Co., Demarcation; (Y) = the Inside FERC's FOM Gas Market Report Midpoint price for Southern Star Central Gas Pipeline, Inc. Texas, Oklahoma, Kansas; (A) = the applicable Section 2 Field Area fuel percentage for deliveries to NNG Field Mkt Demarcation - 16B (POI 37654). However, in no event will the daily charge be less than zero. The monthly charge will be the sum of all daily charges from the formula above. In addition to the above rates, Shipper shall provide any applicable fuel use and unaccounted for. The charges set forth above are applicable to the receipt and (or) delivery points (POI) listed. Shipper agrees that if any receipt or delivery points not listed are used either on a primary or alternate basis, the charges set forth above will not be applicable and Shipper shall pay the higher of the charges set forth above or Northern's maximum tariff rates for the entire contract MDQ during the month that any points not listed are used. Issued On: March 31, 2016 Effective On: April 1, 2016 Northern Natural Gas Company FERC Gas Tariff Sixth Revised Volume No. 1 Third Revised Sheet No. 66B.09 Superseding Second Revised Sheet No. 66B.09 In addition to the above rates, Shipper shall pay all FERC-approved surcharges applicable to the service provided hereunder. Issued On: March 31, 2016 Effective On: April 1, 2016 Northern Natural Gas Company FERC Gas Tariff Sixth Revised Volume No. 1 52/ Second Revised Sheet No. 66B.10 Superseding First Revised Sheet No. 66B.10 For the period 11/01/2008 through 10/31/2018, for the contract MDQ, Shipper shall pay a total monthly reservation charge equal to $0.4330/Dth multiplied by the contract MDQ multiplied by 30.4. In addition, Shipper shall pay a commodity rate equal to the maximum rate provided in Northern's FERC Gas Tariff as amended from time to time. These rates include the applicable Annual Charge Adjustment and electric compression charges. In addition to the above rate(s), Shipper shall pay any applicable fuel use and unaccounted for. The negotiated rate stated above is applicable to all receipt and delivery points in Northern's Market Area; provided, however, if the negotiated rate becomes less than the annual average of the maximum rates set forth in Northern's FERC Gas Tariff, such rate would be applicable only to the receipt and delivery points listed below. If any other points are used either on a primary or alternate basis, the negotiated rate will not be applicable and the annual average of the applicable maximum rates will apply for the entire contract during the month that any points not listed below are used. Primary Receipt Point: NBPL/NNG Welcome Primary Delivery Point: Galva Ethanol Plant Alternate Receipt Point: Ogden Deferred Delivery Alternate Delivery Point: Ogden Deferred Delivery In addition to the above rates, Shipper shall pay (i) the FERC approved Carlton surcharge and (ii) all FERC approved surcharges that are made effective after the effective date of this Amendment and applicable to the service provided hereunder. 144/ For the period 8/01/2013 through 7/31/2023, Shipper shall pay a negotiated reservation rate equal to $0.3330/Dth/day multiplied by the MDQ multiplied by 30.4. In addition to the negotiated reservation rate, Shipper shall (i) pay a commodity rate equal to the maximum commodity rates provided in Northern's FERC Gas Tariff (this rate includes the applicable Annual Charge Adjustment and electric compression charges), (ii) provide any applicable fuel use and unaccounted for, and (iii) pay all FERC-approved surcharges applicable to the service provided hereunder. If the negotiated reservation rate is or becomes less than the annual average of the maximum TFX rates set forth in Northern's FERC Gas Tariff, such rate would be applicable only to the receipt and delivery points listed. If any other points are used either on a primary or alternate basis, Customer shall pay the higher of the negotiated rate or the annual average of the applicable maximum rates for the entire contract during the month that any points not listed are used. 154/ For the period 12/01/2014 through 10/31/2024, Shipper shall pay a negotiated reservation rate equal to $0.60/Dth/day multiplied by the MDQ multiplied by 30.4 (Negotiated Reservation Rate). In addition, Shipper shall pay a commodity rate equal to the maximum rate set forth in Northern's FERC Gas Tariff, as revised from time to time. In addition to the above rates, Shipper shall provide any applicable fuel use and unaccounted for. The Negotiated Reservation Rate is applicable to the receipt and (or) delivery points (POI) listed. If the negotiated reservation rate is lower than the maximum reservation rate in Northern's FERC Gas Tariff, Shipper agrees if any points not listed are used on either a primary or alternate basis, including use by any shipper acquiring the capacity through capacity release, the Negotiated Reservation Rate will not be applicable and Northern's maximum tariff rates will apply to the entire contract MDQ for the month that any points not listed are used. In addition to the above rates, Shipper shall pay all current and future applicable reservation and commodity surcharges. Issued On: March 31, 2016 Effective On: April 1, 2016 Northern Natural Gas Company FERC Gas Tariff Sixth Revised Volume No. 1 54/ First Revised Sheet No. 66B.11 Superseding Original Sheet No. 66B.11 For the period 11/01/2008 through 10/31/2018, for 400 DTH/day of entitlement at Ft. Mccoy #1 and 2,400 DTH/day of entitlement at Lacrosse #1, Shipper shall pay a reservation rate equal to the greater of the annual average of the maximum TFX rates provided in Northern's FERC Gas Tariff as revised from time to time or a negotiated rate equal to $0.4338/DTH/day rate. For the remaining 127 DTH/day of entitlement at LaCrosse #1, Shipper shall pay a reservation rate equal to the maximum rate provided in Northern's FERC Gas Tariff as revised from time to time. In addition to the above rates, Shipper shall (i) pay a commodity rate equal to the maximum rate provided in Northern's FERC Gas Tariff as revised from time to time, (ii) provide fuel use and unaccounted-for, and (iii) pay any applicable FERC-approved reservation and commodity surcharges. 55/ For the period 05/01/2009 through 10/31/2018, Shipper shall pay (i) a total monthly reservation charge equal to $197.00/Dth on 10 Dth/day; and (ii) the maximum reservation rate provided in Northern's FERC Gas Tariff as revised from time to time on the remaining 490 Dth/day. In addition, Shipper shall pay a commodity rate equal to the maximum rate provided in Northern's FERC Gas Tariff as amended from time to time. These rates include the applicable Annual Charge Adjustment and electric compression charges. In addition to the above rate(s), Shipper shall pay any applicable fuel use and unaccounted for. The negotiated rate stated above is applicable to all receipt and delivery points in Northern's Market Area; provided, however, if the negotiated rate becomes less than the annual average of the maximum rates set forth in Northern's FERC Gas Tariff, such rate would be applicable only to the receipt and delivery points listed below. If any other points are used either on a primary or alternate basis, the negotiated rate will not be applicable and the annual average of the applicable maximum rates will apply for the entire contract during the month that any points not listed below are used. Primary Receipt Point: NBPL/NNG Welcome Primary Delivery Point: Galva Ethanol Plant Alternate Receipt Point: Ogden Deferred Delivery Alternate Delivery Point: Ogden Deferred Delivery In addition to the above rates, Shipper shall pay (i) the FERC approved Carlton surcharge and (ii) all FERC approved surcharges that are made effective after the effective date of this Amendment and applicable to the service provided hereunder. 155/ For the period 04/01/2015 through 10/31/2025, the rate provisions are ammended as follows: For the period 04/01/2015 through 07/31/2015, Shipper shall pay a total reservation rate equal to $0.5598/Dth/day (Interim Reservation Rate). In addition to the Interim Reservation Rate, Shipper shall pay a commodity rate equal to the maximum interruptible transportation rate set forth in Northern's FERC Gas Tariff, as revised from time to time (IT Commodity Rate). Shipper provided notice on 01/26/2015 of its election to continue the Interim Reservation Rate and the IT Commodity Rate for the period 08/01/2015 through 06/30/2016, provided that, during this period: (1) less than 10,000 Dth/day is flowing through the CF Industries Port Neal 2 delivery point (POI 79123) for all calendar days of such month, or (2) more than 10,000 Dth/day but less than 20,000 Dth/day is flowing through POI 79123 for no more than five calendar days of such month, and, for the remaining days of such calendar month, no more than 10,000 Dth/day is flowing through POI 79123. The rates shall be the Interim Reservation Rate and the IT Commodity Rate for the period 08/01/2015 through the earlier of (1) the date greater than 20,000 Dth/day flows through POI 79123, or (2) the sixth day in any calendar month where Shipper flows greater than 10,000 Dth/day and less than 20,000 Dth/day through POI 79123; or (3) 06/30/2016. Following that date the rates shall be the Agreed-Upon Reservation Rate and the Maximum Commodity Rate through the term of this Agreement. For the period 07/01/2016 through 10/31/2025, Shipper shall pay a total reservation rate equal to $0.7598/Dth/day (Agreed-Upon Reservation Rate). In addition to the Agreed-Upon Reservation Rate, Shipper shall pay Northern's Maximum Commodity Rate. The Preliminary Reservation Rate, the Interim Reservation Rate and the Agreed-Upon Reservation Rate are applicable to all Market Area receipt points and the CF Industries Port Issued On: March 31, 2016 Effective On: April 1, 2016 Northern Natural Gas Company FERC Gas Tariff Sixth Revised Volume No. 1 First Revised Sheet No. 66B.11 Superseding Original Sheet No. 66B.11 Neal 2 delivery point. If any other points are used on either a primary or alternate basis, including use by any shipper acquiring the capacity through capacity release, Shipper shall pay a reservation rate of $0.15/Dth/day for the period 04/01/2015 through 10/31/2025 plus the Agreed-Upon Reservation Rate for the entire contract MDQ and the Maximum Commodity Rate during the month that any such points are used. In consideration for the above rates, all gas transportation services for the CF Industries Port Neal 2 delivery point shall be provided for under this Agreement. If another agreement is used to serve the CF Industries Port Neal 2 delivery point, the rates granted herein shall be terminated for any month in which another agreement is used and Shipper shall pay a reservation rate of $0.15/Dth/day plus the Agreed-Upon Reservation Rate for the entire contract MDQ and the Maximum Commodity Rate during the month that any other agreement is used. In addition Agreed-Upon reservation provided in to the Preliminary Reservation Rate, the Interim Reservation Rate and the Reservation Rate, Shipper shall pay all current and future applicable and commodity surcharges. Shipper shall provide fuel, use and unaccounted for as Northern's FERC Gas Tariff. The firm maximum daily quantity is: 04/01/2015 through 07/31/2015 is 44,000 08/01/2015 through 09/30/2015 is 80,000 10/01/2015 through 11/30/2015 is 85,000 12/01/2015 through 10/31/2025 is 88,000 Issued On: March 31, 2016 Dth/day Dth/day Dth/day Dth/day Effective On: April 1, 2016 Northern Natural Gas Company FERC Gas Tariff Sixth Revised Volume No. 1 Second Revised Sheet No. 66B.12 Superseding First Revised Sheet No. 66B.12 91/ For the period 11/01/2009 through 10/31/2019, for the contract MDQ, Shipper shall pay a negotiated reservation rate equal to $0.40/Dth multiplied by the contract MDQ multiplied by 30.4. In addition, Shipper shall pay a commodity rate equal to the maximum rate provided in Northern's FERC Gas Tariff as revised from time to time. These rates include the applicable Annual Charge Adjustment and electric compression charges. In addition to the above rate(s), Shipper shall provide any applicable fuel use and unaccounted for. If the negotiated rate stated herein becomes less than the annual average of the maximum rates set forth in Northern's FERC Gas Tariff, such rate would be applicable only to the receipt and delivery points listed below. If any other points are used either on a primary or alternate basis, the negotiated rate will not be applicable and the annual average of the applicable maximum rate will apply for the entire contract during the month that any points not listed below are used. Primary Receipt Point - GRLKS/NNG Carlton Primary Delivery Point - Zone EF-Wisconsin Gas for ultimate redelivery to Grantsburg TBS #1. In addition to the above rate(s), Shipper shall pay (a) the FERC approved Carlton surcharge, if applicable, and (b) all FERC approved surcharges that are made effective after the effective date of this amendment and applicable to the service provided hereunder. The MDQ for the period 11/01/2009 through 10/31/2010 is 647 Dth/day. The MDQ for the period 11/01/2010 through 10/31/2011 is 969 Dth/day. The MDQ for the period 11/01/2011 through 10/31/2019 is 1,300 Dth/day. 156/ For the period 11/01/2014 through 03/31/2027, Shipper shall pay a monthly reservation charge equal to $0.4029/Dth/day multiplied by the contract MDQ multiplied by 30.4, plus the maximum commodity rate provided in Northern's FERC Gas Tariff. In addition, Customer shall provide fuel, use and unaccounted for and pay all FERC-approved charges and surcharges applicable to the service provided hereunder. 157/ For the period 11/01/2014 through 03/31/2025, Shipper shall pay a monthly reservation charge equal to $0.8846/Dth/day multiplied by the contract MDQ multiplied by 30.4, plus the maximum commodity rates provided in Northern's FERC Gas Tariff. In addition, Shipper shall provide fuel, use and unaccounted for and pay all FERC-approved charges and surcharges applicable to the service provided hereunder. 158/ For the period 11/01/2014 through 10/31/2024, Shipper shall pay a monthly reservation charge equal to the maximum reservation rates provided in Northern's FERC Gas Tariff plus $0.1675/Dth/day multiplied by the contract MDQ multiplied by 30.4, and the maximum commodity rate provided in Northern's FERC Gas Tariff. In addition, Shipper shall provide fuel, use and unaccounted for and pay all FERC-approved charges and surcharges applicable to the service provided hereunder. The MDQ for the winter season during the months of November through March is 4,300 Dth/day. The MDQ for the summer season during the months of April through October is 1,750 Dth/day. 159/ For the period 11/01/2014 through 10/31/2024, Shipper shall pay a monthly reservation charge equal to $0.9478/Dth/day multiplied by the contract MDQ multiplied by 30.4, plus the maximum commodity rates provided in Northern's FERC Gas Tariff. In addition, Shipper shall provide fuel, use and unaccounted for and pay all FERC-approved charges and surcharges applicable to the service provided hereunder. The MDQ for the winter season during the months of November through March is 1,900 Dth/day. The MDQ for the summer season during the months of April through October is 750 Dth/day. 160/ For the period 11/01/2014 through 10/31/2024, Shipper shall pay a monthly charge equal to $0.9128/Dth/day (Negotiated Reservation Rate) multiplied by the contract MDQ multiplied by 30.4, plus the maximum commodity rates provided in Northern's FERC Gas Tariff. In addition, Issued On: March 31, 2016 Effective On: April 1, 2016 Northern Natural Gas Company FERC Gas Tariff Sixth Revised Volume No. 1 Second Revised Sheet No. 66B.12 Superseding First Revised Sheet No. 66B.12 Shipper shall provide fuel, use and unaccounted for and pay all FERC-approved charges and surcharges applicable to the service provided hereunder. The Negotiated Reservation Rate is applicable to all Market Area receipt points existing as of the date of this Amendment and the primary and alternate delivery points listed. If any other points are used (not as a result of Shipper oversight or scheduling error) either on a primary or alternate basis in any month, Shipper shall pay a reservation charge equal to the product of (i) the sum of the Negotiated Reservation Rate multiplied by 30.4 and the maximum TFX reservation rate set forth in Northern's FERC Gas Tariff and (ii) the entire contract MDQ, during the month that any other receipt or delivery points not listed are used. 163/ For the period 11/01/2014 through 10/31/2024, if Shipper uses (not as a result of an oversight or scheduling error) any delivery point other than the (i) St. Ansgar IA #1 (POI 3818) town border station on a primary basis; (ii) Zone ABC-Black Hills (POI 60228) for ultimate redelivery to the St. Ansgar IA #1 on a primary basis; or (iii) Ogden Def. Delivery Point for ultimate redelivery to the St. Ansgar IA #1 on an alternate basis, Shipper shall pay a reservation fee equal to two times Northern's maximum reservation rate for the entire contract MDQ for the month that any other points are used. Issued On: March 31, 2016 Effective On: April 1, 2016 Northern Natural Gas Company FERC Gas Tariff Sixth Revised Volume No. 1 Fourth Revised Sheet No. 66B.13 Superseding Third Revised Sheet No. 66B.13 Sheet No. 66B.13 is Reserved for Future Use. 177/ For the period 11/01/2015 through 12/31/2026, for the term of the West Leg Expansion Entitlement, Shipper shall pay a monthly reservation charge equal to $0.6122/Dth/day multiplied by the contract MDQ multiplied by 30.4 (Negotiated Reservation Rate). However, in the event the Actual Cost of the Hazel interconnect is less than the estimate utilized to derive this Negotiated Reservation Rate, the Negotiated Reservation Rate will be adjusted down to the extent the Actual Cost of the Hazel interconnect is lower than the estimate. In addition to the Negotiated Reservation Rate, Shipper shall (i) pay a commodity rate equal to the maximum commodity rates provided in Northern's FERC Gas Tariff; (ii) provide any applicable fuel use and unaccounted for; and (iii) pay all FERC-approved charges and surcharges applicable to the service provided. All quantities set forth below are hereinafter defined as the "West Leg Expansion Entitlement": 1,108 Dth/day of annual service from receipts at the NBPL/NNG Ventura interconnect (POI #192) for deliveries to town border stations (TBS) behind Zone ABC Interstate Power and Light (POI #60226) (Storm Lake IA #1 (POI 2869), Sibley IA #1 (POI 3606), Rembrandt IA #1 (POI 3714), and Albert City IA #1 (POI 3652) each for 277 Dth/day) beginning 11/01/2015 and extending through 10/31/2016. 892 Dth/day of annual service from receipts at the new NBPL/NNG Hazel interconnect (POI #79244) for deliveries to town border stations behind Zone ABC Interstate Power and Light (POI #60226) (Storm Lake IA #1 (POI 2869), Sibley IA #1 (POI 3606), Rembrandt IA #1 (POI 3714), and Albert City IA #1 (POI 3652) each for 223 Dth/day) beginning 01/01/2016 and ending 12/31/2026. 1,108 Dth/day of annual service from receipts at the new NBPL/NNG Hazel interconnect (POI #79244) for deliveries to town border stations behind Zone ABC Interstate Power and Light (POI #60226) (Storm Lake IA #1 (POI 2869), Sibley IA #1 (POI 3606), Rembrandt IA #1 (POI 3714), and Albert City IA #1 (POI 3652) each for 277 Dth/day) as set forth on Appendix B attached hereto beginning 11/01/2016 and ending 10/31/2026. Issued On: March 31, 2016 Effective On: April 1, 2016 Northern Natural Gas Company FERC Gas Tariff Sixth Revised Volume No. 1 Seventh Revised Sheet No. 66B.13a Superseding Sixth Revised Sheet No. 66B.13a Sheet No. 66B.13a is Reserved for Future Use. 178/ For the period 11/01/2015 through 12/31/2025, beginning on the Commencement Date for each applicable portion of Entitlement as described below, Shipper shall pay a monthly reservation charge equal to $0.5182/Dth/day (Reservation Rate) multiplied by 30.4, multiplied by such Entitlement. However, in the event the actual cost of the Hazel interconnect is less than $4,069,000 (the estimate utilized to derive the Reservation Rate), the Reservation Rate will be recalculated using the lower actual cost in the same manner as the original calculation of the Reservation Rate. In addition to the Reservation Rate, Shipper shall (i) pay a commodity rate equal to the maximum commodity rates provided in Northern's FERC Gas Tariff; (ii) provide any applicable fuel use and unaccounted for; and (iii) pay all FERC-approved commodity charges and commodity surcharges applicable to the service provided herein. All quantities set forth below are hereinafter defined as the "Entitlement": The maximum daily quantities of the Agreement are increased by 2,433 Dth/day of annual service from receipts at the NBPL/NNG Ventura interconnect (POI #192) for deliveries to town border stations (TBS) behind Zone ABC MidAmerican (POI #3077) beginning 11/01/2015 and ending 10/31/2016. The maximum daily quantities of the Agreement are increased by 12,721 Dth/day of annual service from receipts at the new NBPL/NNG Hazel interconnect (POI #79244) for deliveries to town border stations behind Zone ABC MidAmerican (POI #3077) beginning 11/01/2015 and ending 10/31/2025. The maximum daily quantities of the Agreement are increased by 3,800 Dth/day of annual service from receipts at the NBPL/NNG Aberdeen interconnect (POI #193) and by 8,496 Dth/day of annual service from receipts at the new NBPL/NNG Hazel interconnect (POI #79244) for deliveries to town border stations behind Zone ABC MidAmerican (POI #3077) beginning 01/01/2016 and ending 12/31/2025. The maximum daily quantities of the Agreement are increased by 2,433 Dth/day of annual service from receipts at the new NBPL/NNG Hazel interconnect (POI #79244) for deliveries to town border stations behind Zone ABC MidAmerican (POI #3077) beginning 11/01/2016 (subject to completion of a new compressor station) and ending nine years from the start date (estimated to be 10/31/2025). 179/ For the period 11/01/2015 through 3/31/2025, Shipper shall pay a monthly reservation charge equal to $1.1070/Dth/day multiplied by the contract MDQ multiplied by 30.4 (Negotiated Reservation Rate). However, in the event the Actual Cost of the Hazel interconnect is less than the estimate utilized to derive this Negotiated Reservation Rate, the Negotiated Reservation Rate will be adjusted down to the extent the Actual Cost of the Hazel interconnect is lower than the estimate. In addition to the Negotiated Reservation Rate, Shipper shall (i) pay a commodity rate equal to the maximum commodity rates provided in Northern's FERC Gas Tariff; (ii) provide any applicable fuel use and unaccounted for; and (iii) pay all FERC-approved charges and surcharges applicable to the service provided herein. The maximum daily quantities of the Agreement are 110 Dth/day for winter (November through March) service from receipts at the NBPL/NNG Ventura interconnect (POI #192) for deliveries to Rock Rapids IA #1 TBS (POI 4072) beginning 11/01/2015 and ending 10/31/2016. The maximum daily quantities of the Agreement are 90 Dth/day for winter service from receipts at the new NBPL/NNG Hazel interconnect (POI #79244) for deliveries to Rock Rapids IA #1 TBS (POI 4072) beginning 01/01/2016 and ending 03/31/2025. The maximum daily quantities of the Agreement are 110 Dth/day for winter service from receipts at the new NBPL/NNG Hazel interconnect (POI #79244) for deliveries to Rock Rapids IA #1 TBS (POI 4072) beginning 11/01/2016 and ending 03/31/2025. Issued On: March 31, 2016 Effective On: April 1, 2016 Northern Natural Gas Company FERC Gas Tariff Sixth Revised Volume No. 1 Third Revised Sheet No. 66B.14 Superseding Second Revised Sheet No. 66B.14 129/ For the period 4/01/2012 through 10/31/2017, Shipper shall pay a discounted base reservation rate equal to $0.0800/Dth/Day for 20,000 Dth of summer Market Area MDQ. This rate shall not be above the maximum rate or below the minimum rate set forth in Northern's FERC Gas Tariff. In the event the rate becomes greater than the maximum or less than the minimum under Northern's FERC Gas Tariff, as revised from time to time, then Shipper agrees that Northern will immediately decrease the rate herein down to the maximum or increase the rate herein up to the minimum. In such event, other rate components may be adjusted upward or downward to achieve the agreed-upon overall rate, provided that the resulting rate component shall not exceed the maximum rate or be below the minimum rate applicable to the rate component. Shipper shall pay a volumetric reservation rate equal to $0.0800/Dth multiplied by the daily volumes delivered pursuant to this Agreement greater than or equal to 20,001 Dth up to and including 27,360 Dth. Northern shall have the unilateral right with 60 days advance written notice to convert this volumetric entitlement to maximum tariff rates. If Northern provides such notice, Shipper shall have the unilateral right to reduce the volumetric MDQ of this Agreement by up to 7,360 Dth/day by providing Northern written notice within 30 days of Northern's notice, such reduction to be effective at Shipper's election as of the date of Shipper's written notice or 60 days following the date of Northern's notice. In addition, Shipper shall (i) pay a commodity rate equal to the maximum commodity rate provided in Northern's FERC Gas Tariff as amended from time to time (this rate includes the applicable Annual Charge Adjustment and electric compression charges), (ii) provide any applicable fuel use and unaccounted for, and (iii) pay all FERC approved surcharges applicable to the service provided hereunder. The rates set forth above are applicable during the months of April through October to the receipt and (or) delivery points (POI) listed. Shipper agrees that if any receipt or delivery points not listed are used either on a primary or alternate basis, the rates set forth herein will not be applicable and Northern's maximum reservation and commodity rates will apply for the entire contract MDQ during the month that any points not listed are used. 180/ For the period 11/01/2015 through 3/31/2018, Shipper shall pay a total reservation charge for three years of service of $516,654, subject to a reduction due to a lower cost of the Hazel interconnect. Beginning 11/01/2015, Shipper shall pay an estimated monthly reservation charge equal to $2.4093/Dth/day multiplied by the contract MDQ multiplied by 30.4 (Negotiated Reservation Rate). The Negotiated Reservation Rate will be adjusted down to the extent the Actual Cost of the Hazel interconnect is lower than the estimate on which the rates are based. In addition, the Negotiated Reservation Rate includes an amount to recover the cost of the new compressor station and assumes a start date of 01/01/2016 and an end date of 03/31/2018, for the MDQ dependent upon the new compressor station. The Negotiated Reservation Rate will be adjusted for the actual number of months of service if the completion of the new compressor is delayed. This Agreement will be amended to provide the forgoing adjustments to the monthly reservation rates. In addition to the Negotiated Reservation Rate, Shipper shall (i) pay a commodity rate equal to the maximum commodity rates provided in Northern's FERC Gas Tariff; (ii) provide any applicable fuel use and unaccounted for; and (iii) pay all FERC-approved charges and surcharges applicable to the service provided herein. The maximum daily quantities of the Agreement are 277 Dth/day for winter (November through March) service from receipts at the NBPL/NNG Ventura interconnect (POI #192) for deliveries to FHR Arthur Plant (POI 78920) beginning 11/01/2015 and ending 10/31/2016. The maximum daily quantities of the Agreement are 223 Dth/day for winter service from receipts at the new NBPL/NNG Hazel interconnect (POI #79244) for deliveries to FHR Arthur Plant (POI 78920) beginning 01/01/2016 and ending 03/31/2018. The maximum daily quantities of the Agreement are 277 Dth/day for winter service from receipts at the new NBPL/NNG Hazel interconnect (POI #79244) for deliveries to FHR Arthur Plant (POI 78920) beginning 11/01/2016 and ending 03/31/2018. 183/ For the period 11/01/2015 through 10/31/2016, the total daily rate for the contract MDQ shall be $0.12/Dth except for any volumes scheduled to NNG Field/Mkt Demarcation-16B (POI 37654) (Demarc) where the total daily rate for Demarc volumes shall be $0.12/Dth plus the arithmetic value obtained from the formula [("X" minus ("Y" divided by "A")) times "B"] (rate) where "X" = the Midpoint price from "Gas Daily" Northern, demarc; "Y" = the Midpoint price from "Gas Daily" Waha; "A" = 1.0 less the applicable fuel percentage increase for deliveries to Demarc from receipts in Section 1, as compared to the Field Area fuel Issued On: March 31, 2016 Effective On: April 1, 2016 Northern Natural Gas Company FERC Gas Tariff Sixth Revised Volume No. 1 Third Revised Sheet No. 66B.14 Superseding Second Revised Sheet No. 66B.14 percentage for deliveries in Section 1 from receipts located in Section 1; and "B" = 0.85. However, in no event will the daily rate for volumes scheduled to Demarc be less than $0.25/Dth for the period 11/1/2015 through 03/31/2016 or less than $0.16/Dth for the period 04/01/2016 through 10/31/2016. The monthly rate will be the sum of all daily rates from the formula above. In addition to the above rates, Shipper shall provide any applicable fuel use and unaccounted for. The charges set forth above are applicable to the receipt and (or) delivery points (POI) listed. Shipper agrees that if any receipt or delivery points not listed are used either on a primary or alternate basis, the charges set forth above will not be applicable and Shipper shall pay the higher of the charges set forth above or Northern's maximum tariff reservation and commodity rates for the entire contract MDQ for each day during the month that any points not listed are used. In the event of a realignment of any of the entitlement under this Agreement, Shipper shall pay the higher of Northern's maximum reservation and commodity rates or the rates generated using the formula set forth above for the entire contract MDQ for each day for the remaining term of the Agreement, unless agreed to otherwise by Northern. Issued On: March 31, 2016 Effective On: April 1, 2016 Northern Natural Gas Company FERC Gas Tariff Sixth Revised Volume No. 1 Fourth Revised Sheet No. 66B.15 Superseding Third Revised Sheet No. 66B.15 130/ For the period 4/01/2012 through 10/31/2017, Shipper shall pay a discounted base reservation rate equal to $0.0800/Dth/Day for 10,600 Dth of summer Market Area MDQ. This rate shall not be above the maximum rate or below the minimum rate set forth in Northern's FERC Gas Tariff. In the event the rate becomes greater than the maximum or less than the minimum under Northern's FERC Gas Tariff, as revised from time to time, then Shipper agrees that Northern will immediately decrease the rate herein down to the maximum or increase the rate herein up to the minimum. In such event, other rate components may be adjusted upward or downward to achieve the agreed-upon overall rate, provided that the resulting rate component shall not exceed the maximum rate or be below the minimum rate applicable to the rate component. Shipper shall pay a volumetric reservation rate equal to $0.0800/Dth multiplied by the daily volumes delivered pursuant to this Agreement greater than or equal to 10,601 Dth up to and including 41,560 Dth. Northern shall have the unilateral right with 60 days advance written notice to convert this volumetric entitlement to maximum tariff rates. If Northern provides such notice, Shipper shall have the unilateral right to reduce the volumetric MDQ of this Agreement by up to 30,960 Dth/day by providing Northern written notice within 30 days of Northern's notice, such reduction to be effective at Shipper's election as of the date of Shipper's written notice or 60 days following the date of Northern's notice. In addition, Shipper shall (i) pay a commodity rate equal to the maximum commodity rate provided in Northern's FERC Gas Tariff as amended from time to time (this rate includes the applicable Annual Charge Adjustment and electric compression charges), (ii) provide any applicable fuel use and unaccounted for, and (iii) pay all FERC approved surcharges applicable to the service provided hereunder. The rates set forth above are applicable during the months April through October to the receipt and (or) delivery points (POI) listed. Shipper agrees that if any receipt or delivery points not listed are used either on a primary or alternate basis, the rates set forth herein will not be applicable and Northern's maximum rates will apply for the entire contract MDQ during the month that any points not listed are used. 131/ For the period 4/01/2012 through 10/31/2017, Shipper shall pay a discounted base reservation rate equal to $0.0800/Dth/Day for 13,400 Dth of summer Market Area MDQ. This rate shall not be above the maximum rate or below the minimum rate set forth in Northern's FERC Gas Tariff. In the event the rate becomes greater than the maximum or less than the minimum under Northern's FERC Gas Tariff, as revised from time to time, then Shipper agrees that Northern will immediately decrease the rate herein down to the maximum or increase the rate herein up to the minimum. In such event, other rate components may be adjusted upward or downward to achieve the agreed-upon overall rate, provided that the resulting rate component shall not exceed the maximum rate or be below the minimum rate applicable to the rate component. Shipper shall pay a volumetric reservation rate equal to $0.0800/Dth multiplied by the daily volumes delivered pursuant to this Agreement greater than or equal to 13,401 Dth up to and including 31,080 Dth. Northern shall have the unilateral right with 60 days advance written notice to convert this volumetric entitlement to maximum tariff rates. If Northern provides such notice, Shipper shall have the unilateral right to reduce the volumetric MDQ of this Agreement by up to 17,680 Dth/day by providing Northern written notice within 30 days of Northern's notice, such reduction to be effective at Shipper's election as of the date of Shipper's written notice or 60 days following the date of Northern's notice. In addition, Shipper shall (i) pay a commodity rate equal to the maximum commodity rate provided in Northern's FERC Gas Tariff as amended from time to time (this rate includes the applicable Annual Charge Adjustment and electric compression charges), (ii) provide any applicable fuel use and unaccounted for, and (iii) pay all FERC approved surcharges applicable to the service provided hereunder. The rates set forth above are applicable during the months of April through October to the receipt and (or) delivery points (POI) listed. Shipper agrees that if any receipt or delivery points not listed are used either on a primary or alternate basis, the rates set forth herein will not be applicable and Northern's maximum reservation and commodity rates will apply for the entire contract MDQ during the month that any points not listed are used. 188/ For the period 1/01/2016 through 12/31/2025, Shipper shall pay a monthly reservation charge equal to $1.1070/Dth/day multiplied by the contract MDQ multiplied by 30.4 (Negotiated Reservation Rate). However, in the event the Actual Cost of the Hazel interconnect is less than the estimate utilized to derive this Negotiated Reservation Rate, the Negotiated Reservation Rate will be adjusted down to the extent the Actual Cost of the Hazel interconnect is lower than the estimate. Issued On: March 31, 2016 Effective On: April 1, 2016 Northern Natural Gas Company FERC Gas Tariff Sixth Revised Volume No. 1 Fourth Revised Sheet No. 66B.15 Superseding Third Revised Sheet No. 66B.15 In addition to the Negotiated Reservation Rate, Shipper shall (i) pay a commodity rate equal to the maximum commodity rates provided in Northern's FERC Gas Tariff; (ii) provide any applicable fuel use and unaccounted for; and (iii) pay all FERC-approved charges and surcharges applicable to the service provided herein. If the Negotiated Reservation Rate is or becomes less than the maximum winter rate set forth in Northern's FERC Gas Tariff, multiplied by the MDQ multiplied by 30.4 (the product being the "Maximum Rate"), such Negotiated Reservation Rate would be applicable only to the receipt point NBPL/NNG Hazel (POI #79244) and delivery points Zone ABC-Sioux Center (POI #3110)and Sioux Center IA #1 (POI #4065), as applicable, on a primary basis, and all Market Area receipt points on an alternate basis. If any other points are used either on a primary or alternate basis, Shipper shall pay the higher of the Negotiated Reservation Rate or the Maximum Rate for the entire contract MDQ during the month that any points not listed are used. In the event of a realignment of any of the entitlement, Shipper shall pay the higher of the Negotiated Reservation Rate or the Maximum Rate for the realigned entitlement through the remaining term of the Agreement, in addition to any other charges that may be applicable. 189/ For the period 4/01/2016 through 10/31/2016, Shipper shall pay a base reservation rate equal to $0.0800/Dth/day for Field Area MDQ; provided quantities scheduled under the Agreement do not exceed 12,000 Dth/day. If quantities scheduled under this Agreement exceed 12,000 Dth/ day, Shipper shall pay an additional reservation fee equal to $0.20 Dth/day for quantities scheduled under this Agreement in excess of 12,000 Dth/day. In addition to the reservation rates, Shipper shall (i) pay a commodity rate equal to the minimum commodity rates provided in Northern's FERC Gas Tariff; (ii) provide any applicable fuel use and unaccounted for; and (iii) pay all FERC-approved charges and surcharges applicable to the service provided hereunder. The rates set forth above above are applicable to the receipt and delivery points (POI) listed. Shipper agrees that if any receipt or delivery points not listed are used either on a primary or alternate basis, the discounted rates set forth above will not be applicable and Northern's maximum reservation and commodity rates will apply for the entire contract MDQ during the month that any points not listed are used. If Shipper realigns any receipt or delivery point(s) for service under this Agreement, Shipper shall pay the maximum reservation and commodity rates for the entire MDQ for the remaining term of the Agreement, unless agreed to by Northern. Issued On: March 31, 2016 Effective On: April 1, 2016 Northern Natural Gas Company FERC Gas Tariff Sixth Revised Volume No. 1 Eighth Revised Sheet No. 66B.16 Superseding Seventh Revised Sheet No. 66B.16 134/ For the period 4/1/2013 through 09/30/2022, Shipper shall pay the maximum tariff reservation rates provided in Northern's FERC Gas Tariff, as revised from time to time, plus an amount equal to $0.08/Dth/day. In addition, Shipper shall pay the maximum commodity rates, provide any applicable fuel use and unaccounted-for, and pay any applicable FERC-approved reservation and commodity surcharges. 141/ For the period 11/01/2015 through 10/31/2016, the total daily charge for the Contract MDQ shall be the MDQ multiplied by the arithmetic value obtained from the formula ((X) minus (Y) minus ((A) times (Y))) (rate) where (X) = the Inside FERC's FOM Gas Market Report Midpoint price at Northern Natural Gas Co., Demarcation; (Y) = the Inside FERC's FOM Gas Market Report Midpoint price for Southern Star Central Gas Pipeline, Inc. Texas, Oklahoma, Kansas; (A) = the applicable Section 2 Field Area fuel percentage for deliveries to NNG Field Mkt Demarcation - 16B (POI 37654). However, in no event will the daily charge be less than zero. The monthly charge will be the sum of all daily charges from the formula above. In addition to the above rates, Shipper shall provide any applicable fuel use and unaccounted for. The charges set forth above are applicable to the receipt and (or) delivery points (POI) listed. Shipper agrees that if any receipt or delivery points not listed are used either on a primary or alternate basis, the charges set forth above will not be applicable and Shipper shall pay the higher of the charges set forth above or Northern's maximum tariff rates for the entire contract MDQ during the month that any points not listed are used. In addition to the above rates, Shipper shall pay all FERC-approved surcharges applicable to the service provided hereunder. 144/ For the period 8/01/2013 through 7/31/2023, Shipper shall pay a negotiated reservation rate equal to $0.3330/Dth/day multiplied by the MDQ multiplied by 30.4. In addition to the negotiated reservation rate, Shipper shall (i) pay a commodity rate equal to the maximum commodity rates provided in Northern's FERC Gas Tariff (this rate includes the applicable Annual Charge Adjustment and electric compression charges), (ii) provide any applicable fuel use and unaccounted for, and (iii) pay all FERC-approved surcharges applicable to the service provided hereunder. If the negotiated reservation rate is or becomes less than the annual average of the maximum TFX rates set forth in Northern's FERC Gas Tariff, such rate would be applicable only to the receipt and delivery points listed. If any other points are used either on a primary or alternate basis, Customer shall pay the higher of the negotiated rate or the annual average of the applicable maximum rates for the entire contract during the month that any points not listed are used. Sheet No. 66B.16 is Reserved for Future Use. Issued On: March 31, 2016 Effective On: April 1, 2016 Northern Natural Gas Company FERC Gas Tariff Sixth Revised Volume No. 1 Tenth Revised Sheet No. 66B.17 Superseding Ninth Revised Sheet No. 66B.17 147/ For the period 03/02/2016 through 03/31/2016, Shipper shall pay a volumetric reservation rate equal to $0.25/Dth multiplied by the daily quantities delivered pursuant to this Agreement during the months of November through March (winter). However, Northern shall receive a minimum of $400,000 in revenue from reservation and commodity charges, SMS charges, authorized overrun and IDD revenues for each winter season under this Agreement. Northern shall have the unilateral right with 60 days advance written notice to convert this volumetric entitlement to maximum tariff rates. If Northern provides such notice, Shipper shall have the unilateral right to reduce the MDQ of this Agreement to no less than 500 Dth/day by providing Northern written notice within 30 days of Northern's notice. Such reduction will be effective at Shipper's election as of the date of Shipper's written notice or 60 days following the date of Northern's notice. In addition, Shipper shall (i) pay a commodity rate equal to the maximum commodity rate provided in Northern's FERC Gas Tariff as revised from time to time, (ii) provide any applicable fuel use and unaccounted for, and (iii) pay all FERC-approved surcharges applicable to the service provided hereunder. In consideration for the above rates, all gas transportation services for Shipper's Plants shall be provided for under this Agreement. If another agreement is used to serve these markets, the rates granted herein shall be terminated for any month in which another agreement is used and Northern's maximum rate will apply. Shipper's use of fuel oil is not precluded herein. The negotiated rate stated herein is applicable to the receipt and (or) delivery points (POI) listed. Shipper agrees that if any other receipt or delivery points are used either on a primary or alternate basis, the rates set forth herein will not be applicable and Northern's maximum tariff rates will apply for the entire contract each season that any points not listed are used. Sheet No. 66B.17 is Reserved for Future Use. Issued On: March 31, 2016 Effective On: April 1, 2016 Northern Natural Gas Company FERC Gas Tariff Sixth Revised Volume No. 1 Fifth Revised Sheet No. 66B.19 Superseding Fourth Revised Sheet No. 66B.19 154/ For the period 12/01/2014 through 10/31/2024, Shipper shall pay a negotiated reservation rate equal to $0.60/Dth/day multiplied by the MDQ multiplied by 30.4 (Negotiated Reservation Rate). In addition, Shipper shall pay a commodity rate equal to the maximum rate set forth in Northern's FERC Gas Tariff, as revised from time to time. In addition to the above rates, Shipper shall provide any applicable fuel use and unaccounted for. The Negotiated Reservation Rate is applicable to the receipt and (or) delivery points (POI) listed. If the negotiated reservation rate is lower than the maximum reservation rate in Northern's FERC Gas Tariff, Shipper agrees if any points not listed are used on either a primary or alternate basis, including use by any shipper acquiring the capacity through capacity release, the Negotiated Reservation Rate will not be applicable and Northern's maximum tariff rates will apply to the entire contract MDQ for the month that any points not listed are used. In addition to the above rates, Shipper shall pay all current and future applicable reservation and commodity surcharges. Sheet No. 66B.19 is Reserved for Future Use. Issued On: March 31, 2016 Effective On: April 1, 2016 Northern Natural Gas Company FERC Gas Tariff Sixth Revised Volume No. 1 Sixth Revised Sheet No. 66B.20 Superseding Fifth Revised Sheet No. 66B.20 155/ For the period 04/01/2015 through 10/31/2025, the rate provisions are ammended as follows: For the period 04/01/2015 through 07/31/2015, Shipper shall pay a total reservation rate equal to $0.5598/Dth/day (Interim Reservation Rate). In addition to the Interim Reservation Rate, Shipper shall pay a commodity rate equal to the maximum interruptible transportation rate set forth in Northern's FERC Gas Tariff, as revised from time to time (IT Commodity Rate). Shipper provided notice on 01/26/2015 of its election to continue the Interim Reservation Rate and the IT Commodity Rate for the period 08/01/2015 through 06/30/2016, provided that, during this period: (1) less than 10,000 Dth/day is flowing through the CF Industries Port Neal 2 delivery point (POI 79123) for all calendar days of such month, or (2) more than 10,000 Dth/day but less than 20,000 Dth/day is flowing through POI 79123 for no more than five calendar days of such month, and, for the remaining days of such calendar month, no more than 10,000 Dth/day is flowing through POI 79123. The rates shall be the Interim Reservation Rate and the IT Commodity Rate for the period 08/01/2015 through the earlier of (1) the date greater than 20,000 Dth/day flows through POI 79123, or (2) the sixth day in any calendar month where Shipper flows greater than 10,000 Dth/day and less than 20,000 Dth/day through POI 79123; or (3) 06/30/2016. Following that date the rates shall be the Agreed-Upon Reservation Rate and the Maximum Commodity Rate through the term of this Agreement. For the period 07/01/2016 through 10/31/2025, Shipper shall pay a total reservation rate equal to $0.7598/Dth/day (Agreed-Upon Reservation Rate). In addition to the Agreed-Upon Reservation Rate, Shipper shall pay Northern's Maximum Commodity Rate. The Preliminary Reservation Rate, the Interim Reservation Rate and the Agreed-Upon Reservation Rate are applicable to all Market Area receipt points and the CF Industries Port Neal 2 delivery point. If any other points are used on either a primary or alternate basis, including use by any shipper acquiring the capacity through capacity release, Shipper shall pay a reservation rate of $0.15/Dth/day for the period 04/01/2015 through 10/31/2025 plus the Agreed-Upon Reservation Rate for the entire contract MDQ and the Maximum Commodity Rate during the month that any such points are used. In consideration for the above rates, all gas transportation services for the CF Industries Port Neal 2 delivery point shall be provided for under this Agreement. If another agreement is used to serve the CF Industries Port Neal 2 delivery point, the rates granted herein shall be terminated for any month in which another agreement is used and Shipper shall pay a reservation rate of $0.15/Dth/day plus the Agreed-Upon Reservation Rate for the entire contract MDQ and the Maximum Commodity Rate during the month that any other agreement is used. In addition Agreed-Upon reservation provided in to the Preliminary Reservation Rate, the Interim Reservation Rate and the Reservation Rate, Shipper shall pay all current and future applicable and commodity surcharges. Shipper shall provide fuel, use and unaccounted for as Northern's FERC Gas Tariff. The firm maximum daily quantity is: 04/01/2015 through 07/31/2015 is 44,000 08/01/2015 through 09/30/2015 is 80,000 10/01/2015 through 11/30/2015 is 85,000 12/01/2015 through 10/31/2025 is 88,000 Dth/day Dth/day Dth/day Dth/day Sheet No. 66B.20 is Reserved for Future Use. Issued On: March 31, 2016 Effective On: April 1, 2016 Northern Natural Gas Company FERC Gas Tariff Sixth Revised Volume No. 1 Thirteenth Revised Sheet No. 66B.21 Superseding Twelfth Revised Sheet No. 66B.21 156/ For the period 11/01/2014 through 03/31/2027, Shipper shall pay a monthly reservation charge equal to $0.4029/Dth/day multiplied by the contract MDQ multiplied by 30.4, plus the maximum commodity rate provided in Northern's FERC Gas Tariff. In addition, Customer shall provide fuel, use and unaccounted for and pay all FERC-approved charges and surcharges applicable to the service provided hereunder. 157/ For the period 11/01/2014 through 03/31/2025, Shipper shall pay a monthly reservation charge equal to $0.8846/Dth/day multiplied by the contract MDQ multiplied by 30.4, plus the maximum commodity rates provided in Northern's FERC Gas Tariff. In addition, Shipper shall provide fuel, use and unaccounted for and pay all FERC-approved charges and surcharges applicable to the service provided hereunder. 158/ For the period 11/01/2014 through 10/31/2024, Shipper shall pay a monthly reservation charge equal to the maximum reservation rates provided in Northern's FERC Gas Tariff plus $0.1675/Dth/day multiplied by the contract MDQ multiplied by 30.4, and the maximum commodity rate provided in Northern's FERC Gas Tariff. In addition, Shipper shall provide fuel, use and unaccounted for and pay all FERC-approved charges and surcharges applicable to the service provided hereunder. The MDQ for the winter season during the months of November through March is 4,300 Dth/day. The MDQ for the summer season during the months of April through October is 1,750 Dth/day. 159/ For the period 11/01/2014 through 10/31/2024, Shipper shall pay a monthly reservation charge equal to $0.9478/Dth/day multiplied by the contract MDQ multiplied by 30.4, plus the maximum commodity rates provided in Northern's FERC Gas Tariff. In addition, Shipper shall provide fuel, use and unaccounted for and pay all FERC-approved charges and surcharges applicable to the service provided hereunder. The MDQ for the winter season during the months of November through March is 1,900 Dth/day. The MDQ for the summer season during the months of April through October is 750 Dth/day. 160/ For the period 11/01/2014 through 10/31/2024, Shipper shall pay a monthly charge equal to $0.9128/Dth/day (Negotiated Reservation Rate) multiplied by the contract MDQ multiplied by 30.4, plus the maximum commodity rates provided in Northern's FERC Gas Tariff. In addition, Shipper shall provide fuel, use and unaccounted for and pay all FERC-approved charges and surcharges applicable to the service provided hereunder. The Negotiated Reservation Rate is applicable to all Market Area receipt points existing as of the date of this Amendment and the primary and alternate delivery points listed. If any other points are used (not as a result of Shipper oversight or scheduling error) either on a primary or alternate basis in any month, Shipper shall pay a reservation charge equal to the product of (i) the sum of the Negotiated Reservation Rate multiplied by 30.4 and the maximum TFX reservation rate set forth in Northern's FERC Gas Tariff and (ii) the entire contract MDQ, during the month that any other receipt or delivery points not listed are used. Sheet No. 66B.21 is Reserved for Future Use. Issued On: March 31, 2016 Effective On: April 1, 2016 Northern Natural Gas Company FERC Gas Tariff Sixth Revised Volume No. 1 Sixteenth Revised Sheet No. 66B.22 Superseding Fifteenth Revised Sheet No. 66B.22 163/ For the period 11/01/2014 through 10/31/2024, if Shipper uses (not as a result of an oversight or scheduling error) any delivery point other than the (i) St. Ansgar IA #1 (POI 3818) town border station on a primary basis; (ii) Zone ABC-Black Hills (POI 60228) for ultimate redelivery to the St. Ansgar IA #1 on a primary basis; or (iii) Ogden Def. Delivery Point for ultimate redelivery to the St. Ansgar IA #1 on an alternate basis, Shipper shall pay a reservation fee equal to two times Northern's maximum reservation rate for the entire contract MDQ for the month that any other points are used. Sheet No. 66B.22 is Reserved for Future Use. Issued On: March 31, 2016 Effective On: April 1, 2016 Northern Natural Gas Company FERC Gas Tariff Sixth Revised Volume No. 1 Twenty Fourth Revised Sheet No. 66B.23 Superseding Twenty Third Revised Sheet No. 66B.23 177/ For the period 11/01/2015 through 12/31/2026, for the term of the West Leg Expansion Entitlement, Shipper shall pay a monthly reservation charge equal to $0.6122/Dth/day multiplied by the contract MDQ multiplied by 30.4 (Negotiated Reservation Rate). However, in the event the Actual Cost of the Hazel interconnect is less than the estimate utilized to derive this Negotiated Reservation Rate, the Negotiated Reservation Rate will be adjusted down to the extent the Actual Cost of the Hazel interconnect is lower than the estimate. In addition to the Negotiated Reservation Rate, Shipper shall (i) pay a commodity rate equal to the maximum commodity rates provided in Northern's FERC Gas Tariff; (ii) provide any applicable fuel use and unaccounted for; and (iii) pay all FERC-approved charges and surcharges applicable to the service provided. All quantities set forth below are hereinafter defined as the "West Leg Expansion Entitlement": 1,108 Dth/day of annual service from receipts at the NBPL/NNG Ventura interconnect (POI #192) for deliveries to town border stations (TBS) behind Zone ABC Interstate Power and Light (POI #60226) (Storm Lake IA #1 (POI 2869), Sibley IA #1 (POI 3606), Rembrandt IA #1 (POI 3714), and Albert City IA #1 (POI 3652) each for 277 Dth/day) beginning 11/01/2015 and extending through 10/31/2016. 892 Dth/day of annual service from receipts at the new NBPL/NNG Hazel interconnect (POI #79244) for deliveries to town border stations behind Zone ABC Interstate Power and Light (POI #60226) (Storm Lake IA #1 (POI 2869), Sibley IA #1 (POI 3606), Rembrandt IA #1 (POI 3714), and Albert City IA #1 (POI 3652) each for 223 Dth/day) beginning 01/01/2016 and ending 12/31/2026. 1,108 Dth/day of annual service from receipts at the new NBPL/NNG Hazel interconnect (POI #79244) for deliveries to town border stations behind Zone ABC Interstate Power and Light (POI #60226) (Storm Lake IA #1 (POI 2869), Sibley IA #1 (POI 3606), Rembrandt IA #1 (POI 3714), and Albert City IA #1 (POI 3652) each for 277 Dth/day) as set forth on Appendix B attached hereto beginning 11/01/2016 and ending 10/31/2026. Sheet No. 66B.23 is Reserved for Future Use. Issued On: March 31, 2016 Effective On: April 1, 2016 Northern Natural Gas Company FERC Gas Tariff Sixth Revised Volume No. 1 Fourteenth Revised Sheet No. 66B.24 Superseding Thirteenth Revised Sheet No. 66B.24 178/ For the period 11/01/2015 through 12/31/2025, beginning on the Commencement Date for each applicable portion of Entitlement as described below, Shipper shall pay a monthly reservation charge equal to $0.5182/Dth/day (Reservation Rate) multiplied by 30.4, multiplied by such Entitlement. However, in the event the actual cost of the Hazel interconnect is less than $4,069,000 (the estimate utilized to derive the Reservation Rate), the Reservation Rate will be recalculated using the lower actual cost in the same manner as the original calculation of the Reservation Rate. In addition to the Reservation Rate, Shipper shall (i) pay a commodity rate equal to the maximum commodity rates provided in Northern's FERC Gas Tariff; (ii) provide any applicable fuel use and unaccounted for; and (iii) pay all FERC-approved commodity charges and commodity surcharges applicable to the service provided herein. All quantities set forth below are hereinafter defined as the "Entitlement": The maximum daily quantities of the Agreement are increased by 2,433 Dth/day of annual service from receipts at the NBPL/NNG Ventura interconnect (POI #192) for deliveries to town border stations (TBS) behind Zone ABC MidAmerican (POI #3077) beginning 11/01/2015 and ending 10/31/2016. The maximum daily quantities of the Agreement are increased by 12,721 Dth/day of annual service from receipts at the new NBPL/NNG Hazel interconnect (POI #79244) for deliveries to town border stations behind Zone ABC MidAmerican (POI #3077) beginning 11/01/2015 and ending 10/31/2025. The maximum daily quantities of the Agreement are increased by 3,800 Dth/day of annual service from receipts at the NBPL/NNG Aberdeen interconnect (POI #193) and by 8,496 Dth/day of annual service from receipts at the new NBPL/NNG Hazel interconnect (POI #79244) for deliveries to town border stations behind Zone ABC MidAmerican (POI #3077) beginning 01/01/2016 and ending 12/31/2025. The maximum daily quantities of the Agreement are increased by 2,433 Dth/day of annual service from receipts at the new NBPL/NNG Hazel interconnect (POI #79244) for deliveries to town border stations behind Zone ABC MidAmerican (POI #3077) beginning 11/01/2016 (subject to completion of a new compressor station) and ending nine years from the start date (estimated to be 10/31/2025). 179/ For the period 11/01/2015 through 3/31/2025, Shipper shall pay a monthly reservation charge equal to $1.1070/Dth/day multiplied by the contract MDQ multiplied by 30.4 (Negotiated Reservation Rate). However, in the event the Actual Cost of the Hazel interconnect is less than the estimate utilized to derive this Negotiated Reservation Rate, the Negotiated Reservation Rate will be adjusted down to the extent the Actual Cost of the Hazel interconnect is lower than the estimate. In addition to the Negotiated Reservation Rate, Shipper shall (i) pay a commodity rate equal to the maximum commodity rates provided in Northern's FERC Gas Tariff; (ii) provide any applicable fuel use and unaccounted for; and (iii) pay all FERC-approved charges and surcharges applicable to the service provided herein. The maximum daily quantities of the Agreement are 110 Dth/day for winter (November through March) service from receipts at the NBPL/NNG Ventura interconnect (POI #192) for deliveries to Rock Rapids IA #1 TBS (POI 4072) beginning 11/01/2015 and ending 10/31/2016. The maximum daily quantities of the Agreement are 90 Dth/day for winter service from receipts at the new NBPL/NNG Hazel interconnect (POI #79244) for deliveries to Rock Rapids IA #1 TBS (POI 4072) beginning 01/01/2016 and ending 03/31/2025. The maximum daily quantities of the Agreement are 110 Dth/day for winter service from receipts at the new NBPL/NNG Hazel interconnect (POI #79244) for deliveries to Rock Rapids IA #1 TBS (POI 4072) beginning 11/01/2016 and ending 03/31/2025. Sheet No. 66B.24 is Reserved for Future Use. Issued On: March 31, 2016 Effective On: April 1, 2016 Northern Natural Gas Company FERC Gas Tariff Sixth Revised Volume No. 1 Eighth Revised Sheet No. 66B.25 Superseding Seventh Revised Sheet No. 66B.25 180/ For the period 11/01/2015 through 3/31/2018, Shipper shall pay a total reservation charge for three years of service of $516,654, subject to a reduction due to a lower cost of the Hazel interconnect. Beginning 11/01/2015, Shipper shall pay an estimated monthly reservation charge equal to $2.4093/Dth/day multiplied by the contract MDQ multiplied by 30.4 (Negotiated Reservation Rate). The Negotiated Reservation Rate will be adjusted down to the extent the Actual Cost of the Hazel interconnect is lower than the estimate on which the rates are based. In addition, the Negotiated Reservation Rate includes an amount to recover the cost of the new compressor station and assumes a start date of 01/01/2016 and an end date of 03/31/2018, for the MDQ dependent upon the new compressor station. The Negotiated Reservation Rate will be adjusted for the actual number of months of service if the completion of the new compressor is delayed. This Agreement will be amended to provide the forgoing adjustments to the monthly reservation rates. In addition to the Negotiated Reservation Rate, Shipper shall (i) pay a commodity rate equal to the maximum commodity rates provided in Northern's FERC Gas Tariff; (ii) provide any applicable fuel use and unaccounted for; and (iii) pay all FERC-approved charges and surcharges applicable to the service provided herein. The maximum daily quantities of the Agreement are 277 Dth/day for winter (November through March) service from receipts at the NBPL/NNG Ventura interconnect (POI #192) for deliveries to FHR Arthur Plant (POI 78920) beginning 11/01/2015 and ending 10/31/2016. The maximum daily quantities of the Agreement are 223 Dth/day for winter service from receipts at the new NBPL/NNG Hazel interconnect (POI #79244) for deliveries to FHR Arthur Plant (POI 78920) beginning 01/01/2016 and ending 03/31/2018. The maximum daily quantities of the Agreement are 277 Dth/day for winter service from receipts at the new NBPL/NNG Hazel interconnect (POI #79244) for deliveries to FHR Arthur Plant (POI 78920) beginning 11/01/2016 and ending 03/31/2018. 181/ For the period 11/01/2015 through 3/31/2016, the total daily rate for the Contract MDQ shall be the MDQ multiplied by the arithmetic value obtained from the formula [(X minus (Y divided by A)) times B] (rate) where (X) = the Midpoint price from "Gas Daily" Northern, demarc; (Y)=the Midpoint price from "Gas Daily" Panhandle, Tx-Okla. plus $0.01; (A) = 0.9808; and (B) = 0.85. However, in no event will the daily rate be less than zero. The monthly rate will be the sum of all daily rates from the formula above. Shipper's charges above shall be reduced, in Northern's sole discretion, for any quantity that is unable to be delivered up to the MDQ. In addition to the above rates, Shipper shall provide any applicable fuel use and unaccounted for. The rates set forth above are applicable to the receipt and delivery points (POI) listed. Shipper agrees that if any receipt or delivery points not listed are used either on a primary or alternate basis, the rates set forth above will not be applicable and Shipper shall pay the higher of the rates set forth above or Northern's maximum tariff rates each day for the entire contract MDQ for the month that any points not listed are used. In the event of a realignment of any of the entitlement under this Agreement, Shipper shall pay the higher of Northern's maximum rates or the rates generated using the formula set forth above where formula component (Y) is equal to the lower of the "Gas Daily" Midpoint prices at: (i) Waha; (ii) El Paso, Permian; (iii) ANR, Okla.; (iv) NGPL, Midcontinent; or (v) Panhandle, Tx.-Okla. each day for the realigned entitlement for the remaining term of the Agreement. Sheet No. 66B.25 is Reserved for Future Use. Issued On: March 31, 2016 Effective On: April 1, 2016 Northern Natural Gas Company FERC Gas Tariff Sixth Revised Volume No. 1 Eleventh Revised Sheet No. 66B.26 Superseding Tenth Revised Sheet No. 66B.26 183/ For the period 11/01/2015 through 10/31/2016, the total daily rate for the contract MDQ shall be $0.12/Dth except for any volumes scheduled to NNG Field/Mkt Demarcation-16B (POI 37654) (Demarc) where the total daily rate for Demarc volumes shall be $0.12/Dth plus the arithmetic value obtained from the formula [("X" minus ("Y" divided by "A")) times "B"] (rate) where "X" = the Midpoint price from "Gas Daily" Northern, demarc; "Y" = the Midpoint price from "Gas Daily" Waha; "A" = 1.0 less the applicable fuel percentage increase for deliveries to Demarc from receipts in Section 1, as compared to the Field Area fuel percentage for deliveries in Section 1 from receipts located in Section 1; and "B" = 0.85. However, in no event will the daily rate for volumes scheduled to Demarc be less than $0.25/Dth for the period 11/1/2015 through 03/31/2016 or less than $0.16/Dth for the period 04/01/2016 through 10/31/2016. The monthly rate will be the sum of all daily rates from the formula above. In addition to the above rates, Shipper shall provide any applicable fuel use and unaccounted for. The charges set forth above are applicable to the receipt and (or) delivery points (POI) listed. Shipper agrees that if any receipt or delivery points not listed are used either on a primary or alternate basis, the charges set forth above will not be applicable and Shipper shall pay the higher of the charges set forth above or Northern's maximum tariff reservation and commodity rates for the entire contract MDQ for each day during the month that any points not listed are used. In the event of a realignment of any of the entitlement under this Agreement, Shipper shall pay the higher of Northern's maximum reservation and commodity rates or the rates generated using the formula set forth above for the entire contract MDQ for each day for the remaining term of the Agreement, unless agreed to otherwise by Northern. Sheet No. 66B.26 is Reserved for Future Use. Issued On: March 31, 2016 Effective On: April 1, 2016 Northern Natural Gas Company FERC Gas Tariff Sixth Revised Volume No. 1 184/ Third Revised Sheet No. 66B.27 Superseding Second Revised Sheet No. 66B.27 For the period 11/01/2015 through 3/31/2016, the total daily rate for the Contract MDQ shall be the arithmetic value obtained from the formula [("X" minus ("Y" divided by "A")) times "B"] (rate) where "X" = the Midpoint price from "Gas Daily" Northern, demarc; "Y" = the average of the Midpoint prices from "Gas Daily" at (i) Waha; (ii) NGPL, Midcontinent; plus $0.02; and (iii) ANR, Okla; plus $0.02; "A"=0.975; and "B" = 0.85. However, in no event will the daily rate be less than zero. The monthly rate will be the sum of all daily rates from the formula above. ONEOK WESTEX SEAGRAVES (POI #1504) is added as a primary receipt point at the rate set forth above for the period 02/04/2016 through 02/08/2016. In the event of an outage on Northern (including, but not limited to, Force Majeure) that is declared prior to the nomination deadline for the timely cycle that impacts the primary points set forth herein, the daily rates set forth above for each day of the outage shall be amended as follows: "Y" shall equal the Midpoint price from "Gas Daily" at (i) Waha for primary receipt points in MIDS 1-7 and (ii) the average of NGPL, Midcontinent plus $0.02 and ANR, Okla plus $0.02; for primary receipt points in MIDS 816. However, the rate for each impacted primary point shall be reduced to $0.00 for any Designated Quantity unless the Designated Quantity is ultimately scheduled during the Gas Day. Designated Quantity shall mean the higher of (1) or (2) as hereinafter set forth: (1) any nominated quantity at the primary receipt point that is allocated on the timely cycle due to the outage or (2) a quantity provided to Shipper by Northern in writing, at its sole discretion, for each primary point for any day of the outage. Any changes after the nomination deadline for the timely cycle to the Designated Quantity provided by Northern in (2) above must be agreed to by Shipper. For any Designated Quantity that is ultimately scheduled, the primary rate for the MIDS location as described in this paragraph will apply to the respective location of the scheduled Designated Quantity. During the outage, Shipper shall have the best efforts obligation to nominate the Designated Quantity from the primary receipt point or an alternate receipt point in the Field Area to the primary delivery point. In the event of an outage on Northern (including, but not limited to, Force Majeure) that is declared after the nomination deadline for the timely cycle for a Gas Day that results in a curtailment of scheduled volumes in this Agreement, the formula for the daily rates set forth above for that Gas Day shall be amended as follows: "Y" shall equal the Midpoint price from "Gas Daily" at (i) Waha for scheduled receipt volumes in MIDS 1-7 and (ii) the average of NGPL, Midcontinent plus $0.02 and ANR, Okla plus $0.02; for scheduled receipt volumes in MIDS 8-16. Shipper shall have the obligation to leave nominations for scheduled volumes in place for future nomination cycles during the affected Gas Day. The daily rate for any unscheduled volumes for the affected Gas Day as a result of the outage shall be reduced to zero. The rates set forth above are applicable to the receipt and delivery points (POI) listed. Shipper agrees that, except as provided above, if any receipt or delivery points not listed are used either on a primary or alternate basis, the rates set forth above will not be applicable and Shipper shall pay the higher of Northern's maximum tariff rates or the rates generated using the formula set forth above where formula component "Y" is equal to the lower of the "Gas Daily" Midpoint prices at: (i) Waha; (ii) El Paso, Permian; (iii) ANR, Okla; (iv) NGPL, Midcontinent; or (v) Panhandle, Tx.-Okla. for each day for the entire contract MDQ for the month that any points not listed are used. In the event of a realignment of any of the entitlement under this Agreement, Shipper shall pay the higher of Northern's maximum rates or the rates generated using the formula set forth above where formula component "Y" is equal to the lower of the "Gas Daily" Midpoint prices at: (i) Waha; (ii) El Paso, Permian; (iii) ANR, Okla.; (iv) NGPL, Midcontinent; or (v) Panhandle, Tx.-Okla. each day for the realigned entitlement for the remaining term of the Agreement, unless otherwise agreed to by Northern. Sheet No. 66B.27 is Reserved for Future Use. Issued On: March 31, 2016 Effective On: April 1, 2016 Northern Natural Gas Company FERC Gas Tariff Sixth Revised Volume No. 1 Second Revised Sheet No. 66B.28 Superseding First Revised Sheet No. 66B.28 185/ For the period 12/01/2015 through 3/31/2016, the total daily rate for the Contract MDQ shall be the arithmetic value obtained from the formula [("X" minus ("Y" divided by "A")) times "B" times "C"] (rate) where "X" = the Midpoint price from "Gas Daily" Northern, demarc; "Y" = the Midpoint price from "Gas Daily" Waha plus $0.02; "A" = 0.9711; "B" = 0.90; and "C" = the actual % of MDQ scheduled on this contract except in the event that [("X" minus ("Y" divided by "A")) times "B"] is equal to or greater than $0.38 where "C" will be equal to 100%. However, in no event will [("X" minus ("Y" divided by "A")) times "B"] be less than $0.20 in the months of December and March and $0.25 in the months of January and February. The monthly rate will be the sum of all daily rates from the formula above. Shipper's charges above shall be reduced, in Northern's sole discretion, for any quantity that is unable to be delivered up to the MDQ. In addition to the above rates, Shipper shall provide any applicable fuel use and unaccounted for. The rates set forth above are applicable to the receipt and delivery points (POI) listed. Shipper agrees that if any receipt or delivery points not listed are used either on a primary or alternate basis, provided, however, quantities receipted from EL PASO/NNG PLAINS (REC) 30" (POI 57088) delivered to the NNG Field/Mkt Demarcation-16B (POI 37654) delivery point will be charged an additional rate where the formula component "Y" is equal to the Midpoint price from "Gas Daily" at El Paso, Permian plus $0.02 but in no event will the revised rate for such volume be less than the rate calculated above; the rates set forth above will not be applicable and Shipper shall pay the higher of Northern's maximum tariff rates or the rates generated using the formula set forth above where formula component "C" is removed and formula component "Y" is equal to the lower of the "Gas Daily" Midpoint prices at: (i) Waha; (ii) El Paso, Permian; (iii) ANR, Okla; (iv) NGPL, Midcontinent; or (v) Panhandle, Tx.-Okla. for each day for the entire contract MDQ for the month that any points not listed below are used. In addition to the above rates, Shipper shall pay all FERC-approved surcharges applicable to the service provided hereunder. Sheet No. 66B.28 is Reserved for Future Use. Issued On: March 31, 2016 Effective On: April 1, 2016 Northern Natural Gas Company FERC Gas Tariff Sixth Revised Volume No. 1 Fifth Revised Sheet No. 66B.29 Superseding Fourth Revised Sheet No. 66B.29 187/ For the period 12/05/2015 through 3/31/2016, the total daily rate for the Contract MDQ shall be the arithmetic value obtained from the formula [("X" minus ("Y" divided by "A")) times "B" times "C"] (rate) where "X" = the Midpoint price from "Gas Daily" Northern, demarc; "Y" = the average of the Midpoint prices from "Gas Daily" (i) Panhandle, Tx-Okla. and (ii) Southern Star; plus $0.03; "A" = 0.9808; "B" = 0.85; and "C" = the actual % of MDQ scheduled on this contract except in the event that [("X" minus ("Y" divided by "A")) times "B"] is equal to or greater than $0.38 where "C" will be equal to 100%. However, in no event will [("X" minus ("Y" divided by "A")) times "B"] be less than $0.15 in the months of December and March and $0.25 in the months of January and February. The monthly rate will be the sum of all daily rates from the formula above. Shipper's charges above shall be reduced, in Northern's sole discretion, for any quantity that is unable to be delivered up to the MDQ. In addition to the above rates, Shipper shall provide any applicable fuel use and unaccounted for. The rates set forth above are applicable to the receipt and delivery points (POI) listed. Shipper agrees that if any receipt or delivery points not listed are used either on a primary or alternate basis; the rates set forth above will not be applicable and Shipper shall pay the higher of Northern's maximum tariff rates or the rates generated using the formula set forth above where formula component "C" is removed and formula component "Y" is equal to the lower of the "Gas Daily" Midpoint prices at: (i) Waha; (ii) El Paso, Permian; (iii) ANR, Okla; (iv) NGPL, Midcontinent; or (v) Panhandle, Tx.-Okla. for each day for the entire contract MDQ for the month that any points not listed below are used. In the event of a realignment of any of the entitlement under this Agreement, Shipper shall pay the higher of Northern's maximum rates or the rates generated using the formula set forth above where formula component (Y) is equal to the lower of the "Gas Daily" Midpoint prices at: (i) Waha; (ii) El Paso, Permian; (iii) ANR, Okla.; (iv) NGPL, Midcontinent; or (v) Panhandle, Tx.-Okla. for the realigned entitlement for the remaining term of the Agreement. In addition to the above rates, Shipper shall pay all FERC-approved surcharges applicable to the service provided hereunder. 188/ For the period 1/01/2016 through 12/31/2025, Shipper shall pay a monthly reservation charge equal to $1.1070/Dth/day multiplied by the contract MDQ multiplied by 30.4 (Negotiated Reservation Rate). However, in the event the Actual Cost of the Hazel interconnect is less than the estimate utilized to derive this Negotiated Reservation Rate, the Negotiated Reservation Rate will be adjusted down to the extent the Actual Cost of the Hazel interconnect is lower than the estimate. In addition to the Negotiated Reservation Rate, Shipper shall (i) pay a commodity rate equal to the maximum commodity rates provided in Northern's FERC Gas Tariff; (ii) provide any applicable fuel use and unaccounted for; and (iii) pay all FERC-approved charges and surcharges applicable to the service provided herein. If the Negotiated Reservation Rate is or becomes less than the maximum winter rate set forth in Northern's FERC Gas Tariff, multiplied by the MDQ multiplied by 30.4 (the product being the "Maximum Rate"), such Negotiated Reservation Rate would be applicable only to the receipt point NBPL/NNG Hazel (POI #79244) and delivery points Zone ABC-Sioux Center (POI #3110)and Sioux Center IA #1 (POI #4065), as applicable, on a primary basis, and all Market Area receipt points on an alternate basis. If any other points are used either on a primary or alternate basis, Shipper shall pay the higher of the Negotiated Reservation Rate or the Maximum Rate for the entire contract MDQ during the month that any points not listed are used. In the event of a realignment of any of the entitlement, Shipper shall pay the higher of the Negotiated Reservation Rate or the Maximum Rate for the realigned entitlement through the remaining term of the Agreement, in addition to any other charges that may be applicable. Sheet No. 66B.29 is Reserved for Future Use. Issued On: March 31, 2016 Effective On: April 1, 2016