ContractNo.: 601521-1 AMENDMENT NO. 1 TO AGREEMENT TO PROVIDE SECURITY This Amendment No. 1 to the Agreement to Provide Security dated May 17, 2012 ("Amendment No. 1") is made this 7 t h day of April, 2016, by and between NORTHERN NATURAL GAS COMPANY ('Northern"), and ENCORE E N E R G Y SERVICES, INC. ("Customer"). Northern and Customer are hereinafter sometimes referred to individually as "Party" or collectively as "Parties." WHEREAS, on May 17, 2012, Northern and Customer entered into the Agreement to Provide Security; WHEREAS, on March 2, 2016, Northern, Customer and U.S. Bank National Association entered into the Joinder in Master Escrow Agreement ("Joinder") for the cash escrow provided by Customer to Northern pursuant to the Agreement to Provide Security and Northern's FERC Gas Tariff; WHEREAS, to update certain out-of-date terms and to amend the Agreement to Provide Security and Security Form for terms consistent with the Joinder including, but not limited to, Wiring instructions, Northern and Customer agree to enter into this Amendment No. 1 to the Agreement to Provide Security and to execute a new Security Form. NOW, T H E R E F O R E , i n consideration of the Parties now existing or hereinafter arising throughput service agreements, the Parties hereby amend the Agreement to Provide Security and the Security Form as detailed below: 1. The Notice addresses set forth for the Parties in Paragraph 11 is deleted and replaced with: If to Northern: Northern Natural Gas Company 1111 South 103rd Street Omaha, NE 68124-1000 Attn: Credit Department Telephone: (402) 398-7741 Fax: (402)548-5266 If to Customer: Encore Energy Services, Inc. 12120 Port Grace Blvd. Suite 200 La Vista, NE 68128 Attn: Contract Administrator Phone: (402) 905 - 4000 Email: contractadmin@encorenergy.com 2. New Paragraph 12 is added as follows: TO T H E F U L L E S T EXTENT PERMITTED B Y LAW, NORTHERN AND CUSTOMER H E R E T O WAIVE ANY RIGHT E A C H MAY HAVE TO A T R I A L BY JURY IN R E S P E C T OF LITIGATION D I R E C T L Y OR INDIRECTLY ARISING OUT OF, UNDER OR IN CONNECTION WITH T H E AGREEMENT TO PROVIDE S E C U R I T Y AND THIS AMENDMENT NO. 1. E A C H PARTY FURTHER WAIVES ANY RIGHT TO CONSOLIDATE ANY ACTION IN WHICH A J U R Y T R I A L HAS BEEN WAIVED W I T H ANY OTHER ACTION IN WHICH A J U R Y T R I A L CANNOT B E OR HAS NOT B E E N WAIVED. 3. The Parties agree that electronically exchanged or stored copies will be enforceable as original documents. A signature delivered by facsimile or e-mail in portable document format (.pdf) shall be deemed to be an original manual signature for purposes of the Agreement to Provide Security, including this Amendment No. 1, and shall be binding upon Northern and Customer and have the same legal effect as an original manual signature. This Amendment No. 1 may be signed in counterparts, each of which when signed shall be an original, but all of which shall together constitute one and the same instrument. 4. Capitalized terms used but not defined herein shall have the meaning given to such terms in the Agreement to Provide Security. Except as specifically amended hereby, the terms and conditions of the Agreement to Provide Security shall remain in full force and effect without modification or amendment unless terminated as provided therein. IN WITNESS WHEREOF, the Parties have duly executed this Amendment No. 1 to the Agreement to Provide Security effective as of the date first written above. NORTHERN: CUSTOMER: NORTHERN NATURAL GAS COMPANY ENCORE E N E R G Y SERVICES, I N C 2 Contract No.: 601521-1 H£ islorthern ^Natural Gas Request No. 2 Northern Natural Gas Security Form DATE: April 7,2016 CUSTOMER: Encore Energy Services, Inc. This Security Form supersedes prior security agreements entered into between Northern and Customer. As provided in Northern's Tariff, Customer agrees to provide security equal to the following amounts (Security): Reservation charges: $170,013.00 Type of Security to be provided: Cash Escrow Provide Security to: Northern Natural Gas Credit Department 1111 South 103rd Street Omaha, NE 68124 402-398-7741 Wire Information: U.S. Bank National Association ABA# 091000022 USBank CT Wire Clrg Re: 180121167365 OBI: Northern Natural Gas Company / Encore Energy Services, Inc. Attn: Kathleen Connelly Cash escrow shall be provided in accordance with the Joinder in Master Escrow Agreement executed by the Parties on March 2, 2016 ("Joinder"). Northern and Customer shall deposit the Security into the Master Escrow Agreement dated as of December 14, 2015, by and among Customer as Shipper, U.S. Bank National Association as Escrow Agent and Northern Natural Gas Company as Company, as such terms are defined in the Joinder. Signatures: Encore Energy Services, Inc. Northern Natural Gas Company 3