Royalty Owner Relations ADA CRUDE OIL COMPANY ADAMS RESOURCES & ENERGY, INC. ADAMS RESOURCES EXPL. CORP. GULFMARK ENERGY, INC. P.O. Box 844 Houston, TX 77001 www.adamsresources.com/contact.html Phone: (713) 881-3645 Fax: ADVANTAGE OIL & GAS, LTD 700, 400-5 Avenue SW Calgary, Alberta T2P OL6 Phone: Fax: AERA ENERGY, LLC P.O. Box 11164 Bakersfield, CA 93389-1164 Phone: (661) 665-5000 Fax: AMERICAN CENTRAL GAS COMPANIES, INC. 6655 South Lewis Tulsa, OK 74136-1060 Phone: (918) 481-6363 Fax: ANADARKO PETROLEUM CORP. ANADARKO E & P CO LP HOWELL PETROLEUM CO. KERR-MCGEE OIL & GAS ONSHORE, INC. P.O. Box 1330 Houston, TX 77251-1330 www.anadrako.com/About/Pages/ContactUs.aspx Phone: (800) 359-1692 Fax: ANDERMAN OPERATING CO., INC. 1776 Lincoln Street Ste 500 Denver, CO 80203 Phone: (303) 839-5013 Fax: ANDERSON FEAZEL MANAGEMENT, INC. 333 Texas St., Suite 2020 Shreveport, LA 71101 Phone: (318) 227-2000 Fax: (318) 425-5935 ANSON GAS CORPORATION P.O. Box 24060 Oklahoma City, OK 73124 Phone: (405) 528-0525 Fax: APACHE CORPORATION 2000 Post Oak Blvd, Ste 100 Houston, TX 77056 www.apachecorp.com/Contact_Us/Departments/ Owner_Relations/ Phone: (713) 296-6054 Fax: ANDREW OIL & GAS PARTNERSHIP 14 South Court Port Washington, NY 11050 Phone: (201) 540-1786 (813) 394-0930 Fax: ARBUCKLE ENTERPRISES, INC. P.O. Box 5250 Edmond, OK 73083 Phone: (405) 359-2815 Fax: 1 (403) 262-0723 Royalty Owner Relations Royalty Owner Relations AVIVA INC P.O. Box 22066 Denver, CO 80222 contact@avivainc.net Phone: (303) 321-0606 Fax: AVEN GAS & OIL, INC. P.O. Box 14491 Oklahoma City, OK 73113 Phone: (405) 843-0744 Fax: BANNER ENERGY, INC. P.O. Box 3046 Midland, TX 79702 Phone: (432) 682-8261 Fax: BARRETT BROTHERS OIL & GAS INOCRPORATED P.O. Box 171190 San Antonio, TX 78217 Phone: (210) 829-7831 Fax: BASS ENTERPRISES PRODUCTION CO. BASS PARTNERSHIP LEE M. BASS, INC. PERRY R. BASS, TRUSTEE SID R. BASS, INC. BALDWIN ENERGY LIMITED PARTNERSHIP KEYSTONE, INC. PANTHER CITY INVESTMENT COMPANY SID RICHARDSON CARBON & GASOLINE CO THRU LINE INC. WORLAND ASSOCIATES BOPCO, LP 201 Main Street Ft. Worth, TX 76102 Phone: (817) 390-8400 Fax: BELMONT OIL AND GAS 545 E. John Carpenter Freeway Suite 1530 Texas Commerce Tower Irving, TX 75062 Phone: (214) 831-1575 Fax: B&G PRODUCTION, INC. P O Box 427 Booker, TX 79005 Phone: (806) 658-4537 Fax: (806) 658-4538 BHP PETROLEUM (AMERICAS) INC. 1360 Post Oak Blvd., Suite 500 Houston, TX 77056-3020 www.bhpbilliton.com/bb/ourBusinesses/petroleum.jsp Phone: (713) 961-8500 Fax: BILL BARRETT CORPORATION 1099 18th Street, Suite 2300 Denver, CO 80202 www.billbarrettcorp.com/index.html Phone: (303) 293-9100 Fax: BK EXPLORATION CORP. 10159 E 11th Street, Suite 401 Tulsa, OK 74128-3028 Phone: (918) 582-3855 Fax: 2 25 Royalty Owner Relations Royalty Owner Relations WARD PETROLEUM CORPORATION P.O. Box 1187 Enid, OK 73702 Phone: (580) 234-3229 Fax: BLACK HILLS GAS RESOURCES, INC. 350 Indiana Street, Ste 400 Golden, CO 80401 www.bhep.com/ Phone: (720) 210-1313 Fax: WELLS FARGO BANK N.A. 3563 Phillips Hwy, Ste 601B Bldg F Jacksonville, FL 32207 Phone: Fax: Phone: (918) 925-6855 Fax: WESTERN GAS RESOURCES, INC. 1099 18th Street, Suite 1200 Denver, CO 80234 Phone: (303) 252-6022 Fax: BP AMERICA PRODUCTION CO. P.O. Box 22047 Tulsa, OK 74121-2047 BP has outsourced most Owner Realtions/Division Order functions to IBM BREITBURN ENERGY CORP. 515 S. Flower Street Los Angeles, CA 90071-2001 Phone: (213) 225-5900 Fax: WHITING PETROLEUM CORP. 1700 Broadway, Suite 2300 Denver, CO 80290 Phone: Fax: BRG PETROLEUM CORP. 7134 S. Yale Suite 600 Tulsa, OK 74136 Phone: (918) 496-2626 Fax: WILLIAMS PRODUCTION RMT COMPANY LLC 1515 Arapahoe St., Tower 3, Ste 1000 Denver, CO 80202 Phone: (303) 606-4077 Fax: (303) 629-8270 H. L. BROWN, JR. SPECIAL P O Box 2237 Midand, TX 79702-2237 Phone: (432) 683-5216 Fax: WINWELL RESOURCES, INC. c/o Petrohawk Properties, LP 1000 Louisiana, Ste 5600 Houston, TX 77002 Phone: Fax: BURK ROYALTY COMPANY 4245 Kemp Blvd. Wichita Falls, TX 76308 Phone: (940) 322-5421 Fax: Phone: (601) 446-1470 Fax: WISER OIL COMPANY, THE 8115 Preston Road, Suite 400 Dallas, TX 75225 Phone: (214) 265-0080 Fax: CALLON PETROLEUM COMPANY 200 N. Canal P. O. Box 1287 Natchez, MS 39120 www.callon.com XTO ENERGY INC. 810 Houston St. Fort Worth, TX 76102-6298 Phone: (866) 886-2613 Fax: (214) 722-1705 CALUMET LUBRICANTS 10234 Hwy. 157 Princeton, LA 71067-9172 www.calumetlub.com/home.html Phone: (318) 949-2421 Fax: YATES PETROLEUM CORPORATION 105 S. Fourth St. Artesia, NM 88210 Phone: (505) 748-1471 Fax: CAMPEON PIPELINE CORPORATION 17400 Dallas Parkway, Ste 116 Dallas, TX 75287 Phone: (214) 931-9070 Fax: L S YOUNGBLOOD COMPANY 1818 First National Center Oklahoma City, OK 73101 Phone: (405) 236-4493 Fax: CHAPARRAL ENERGY LLC Phone: (405) 478-8700 701 Cedar Lake Blvd (405) 478-1098 or 99 Oklahoma City, OK 73114 Fax: www.chaparralenergy.com/index.php?page=owner inquiries CHESAPEAKE ENERGY CORPORATION P.O. Box 18496 Oklahoma City, OK 73154-0496 www.chk.com/Owners/Pages/Default.aspx 24 Phone: (405) 935-7940 (877) CHK-1GAS Fax: (405) 849-7940 3 Royalty Owner Relations Royalty Owner Relations CHEVRON USA Royalty Disbursements PO Box 4538 Houston, TX 77210-4538 Phone: (866) 212-1212 Fax: TOTALFINA ELF E&P USA, INC. 800 Gessner, Suite 700 Houston, TX 77024 Phone: (713) 647-3939 Fax: CIMA ENERGY, LTD 100 Waugh Dr, Ste 500 Houston, TX 77007 www.cimaenergy.com/ Phone: (713) 209-1112 Fax: TRANSCO EXPLORATION PROJECTS CO. CONTACT WILLIAMS ENERGY Tulsa, OK Phone: (918) 588-2000 Fax: CIMAREX ENERGY CO. PRIZE ENERGY RESOURCES MAGNUM HUNTER PRODUCTION 15 E. 5th Street, Ste. 1000 Tulsa, OK 74103 www.cimarex.com/contact.html Phone: (918) 295-1896 Fax: TRANSWORLD E & P, INC. Bank One Center Houston, TX 77002 910 Travis St., Ste 800 Phone: Fax: (713) 428-3048 TRUST COMPANY OF OKLAHOMA, THE PO Box 3627 Tulsa, OK 74101-3627 Phone: Fax: (918) 744-5088 CINCO GENERAL PARTNERSHIP P. O. Box 451 Albuquerque, NM 87103 Phone: (505) 843-6149 Fax: TXOK ENERGY RESOURCES CO. 100 W. Fifth St., Ste 1200 Tulsa, OK 74103 Phone: (918) 588-7701 Fax: CIRRUS PRODUCTION COMPANY P. O. Box 5469 Enid, OK 73702 www.cirrusproduction.com/ Phone: (580) 237-0002 Fax: UNIT PETROLEUM COMPANY P.O. Box 702500 Tulsa, OK 74170 Phone: (918) 493-7700 Fax: CITATION OIL & GAS CORP. 14077 Cutten Road Houston, TX 77069-2212 www.cogc.com/owner-relations/ Phone: (281) 891-1080 Fax: U.S. OIL & REFINING CO. 2121 Rosecrans Ave., Ste 2360 El Segundo, CA 90245-4709 Phone: (310) 726-2217 Fax: (310) 615-4500 CITGO PETROLEUM CORP. P.O. Box 4689 Houston, TX 77210-4689 Phone: (832) 486-1489 Fax: Phone: (214) 891-3356 Fax: CLOVELLY OIL CO., INC. Poydras Center, Suite 2350 650 Poydras Street New Orleans, LA 70130 Phone: (504) 522-7496 Fax: U.S. OPERATING, INC./ U.S. COMPANIES, INC. 5950 Berkshire Lane, Suite 300 Dallas, TX 75225-5890 VANGUARD OIL & GAS, INC. 1111 N. Loop West, Ste. 1100 Houston, TX 77008 Phone: (713) 880-8750 Fax: (713) 880-9311 COBRA PETROLEUM COMPANY P.O. Box 136355 Fort Worth, TX 76136 Phone: (817) 237-5440 Fax: Phone: (432) 682-7936 Fax: COLUMBINE II LTD PARTNERSHIP P.O. Box 22854 Denver, CO 80222 Phone: (303) 321-0606 Fax: WAGNER & BROWN P.O. Box 1714 Midland, TX 79702 Phone: (713) 688-9600 Fax: (713) 688-0616 COMSTOCK RESOURCES, INC. 5300 Town & Country Blvd., Ste 500 Frisco, TX 75034 www.comstockresources.com/contactus.htm Phone: (972) 668-8885 Fax: (972) 668-8882 WAINOCO OIL & GAS CO. 10000 Memorial Drive, Suite 600 Houston, TX 77024-3411 WALTER DUNCAN OIL PROPERTIES 100 Park Ave, Bldg, Ste 1200 Oklahoma City, OK 73102 Phone: Fax: 4 23 Royalty Owner Relations Royalty Owner Relations TENKAY RESOURCES, INC. 1610 Woodstead Ct., Suite 310 The Woodlands, TX 77380 Phone: (281) 363-2406 Fax: TENISON OIL COMPANY 8140 Walnut Hill Lane, Ste. 601 Dallas, TX 75231 Phone: (214) 363-5005 Fax: TERMO COMPANY, THE P.O. Box 2767 Long Beach, CA 90801 Phone: Fax: TEXAS EASTERN TRANSMISSION CORP. & TEXAS EASTERN EXPLORATION CO. & TEXAS EASTERN SKYLINE OIL CO. & TEXAS EASTERN HYDROCARBON CO. & LAGLORIA OIL AND GAS CO. P.O. Box 1642 Houston, TX 77251-1642 Phone: (713) 627-5805 Fax: TEXAS STATE TREASURY UNCLAIMED PROPERTY DIVISION P.O. Box 12019 Austin, TX 78711-2019 Phone: (512) 475-1595 Fax: TIERRA OIL COMPANY, LLC P.O. Box 700968 San Antonio, TX 78270-0968 Phone: (830) 438-7196 Fax: TIPPERARY OIL & GAS CORP. 633 17th St., Suite 1550 Denver, CO 80202 Phone: (303) 293-9379 Fax: TOKLAN OIL AND GAS CORPORATION 2900 First Place Tower Tulsa, OK 74103 Fifteen East Fifth Street Phone: (918) 582-5400 Fax: (918) 587-2419 TORCH ENERGY ASSOCIATES TORCH OPERATING COMPANY 1221 Lamar, Suite 1600 Houston, TX 77010 Phone: (713) 650-1246 Fax: (713) 655-1269 TORO INVESTMENTS LLC P.O. Box 14768 Oklahoma City , OK 73113-0768 Phone: (405) 475-6333 Fax: 22 (562) 426-2730 CONOCOPHILLIPS CO. Owner Relations Unit P.O. Box 7500 Bartlesville, OK 74005 www.conocophillips.com/products/InterestOwners/ index.htm Phone: A-C (918) 661-0903 D-H (918) 661-0904 I-M (918) 661-0905 N-S (918) 661- 0906 T-Z (918) 661-0907 Fax: COX & PERKINS EXPLORATION, INC. 5847 San Felipe, Ste 700 Houston, TX 77057 Phone: (713) 783-7880 Fax: CREDO PETROLEUM CORP. 1801 Broadway, Suite 900 Denver, CO 80202-3837 www.credopetroleum.com Phone: (303) 297-2200 Fax: DABB ENERGY CO. 6608 Bryant Irvin Rd. Fort Worth, TX 76132 Phone: (817) 263-3500 Fax: DAVCO PRODUCTIONS 22749 280th Street Washinton, OK 73093 Phone: (405) 288-6736 Fax: DAVIS PETROLEUM CORP. 410-17th St., Suite 1610 Denver, CO 80202 Phone: (303) 623-1000 Fax: DCP MIDSTREAM LP 6120 S Yale #1100 Tulsa, OK 74136 Phone: (918) 524-0646 Fax: (918) 524-0997 DEVON ENERGY CORPORATION Atten: Owner Relations 20 North Broadway Oklahoma City, OK 73102 www.devonenergy.com/global/Pages/contacts.aspx Phone: (405) 235-4800 Fax: DURANGO PRODUCTION CORP P.O. Box 4848 Wichita Falls, TX 76308 Phone: (817) 696-8077 Fax: EAGLE EXPLORATION CO., INC. P.O. Box 2526 Amarillo, TX 79105 Phone: (806) 373-0779 Fax: EAGLE GAS MARKETING CO. 13439 Broadway Extension Oklahoma City, OK 73114-2202 Phone: (405) 748-9482 (405) 748-9222 Fax: (405) 748-9427 5 Royalty Owner Relations Royalty Owner Relations EL PASO E & P CO., LP P.O. Box 2511 Houston, TX 77252-2511 Phone: Fax: SMR PROPERTY MANAGEMENT CO. 200 North Harvey Ste. 1305 Oklahoma City, OK 73102 Phone: Fax: ELAND ENERGY INC. 13455 Noel Road, Suite 2000 Dallas, TX 75240 Phone: (214) 368-6100 x 195 Fax: SOONER ENERGY CORPORATION 9320 East Central Wichita, KS 67206 Phone: (316) 636-2667 Fax: ENCANA OIL & GAS USA 370 17th Street, Suite 1700 Denver, CO 80202 Phone: (866) 917-3700 (303) 623-2300 Fax: (303) 623-2400 SOUTHWEST PETROLEUM COMPANY P.O. Box 702377 Dallas, TX 75370-2377 Phone: (214) 361-5949 Fax: (214) 361-6460 ENCORE OPERATING, LP P.O. Box 671253 Dallas, TX 75267-1253 Phone: Fax: SOUTHWEST ROYALTIES INC. P.O. Box 11390 Midland, TX 79702-8390 Phone: (432) 686-9927 Fax: ENERGEN RESOURCES CORP. 605 Richard Arrington, Jr. Blvd. North Birmingham, AL 35203-2707 Phone: (205) 326-8139 (205) 326-8403 Fax: STALEY OPERATING COMPANY 310 W. Wall, Suite 200 Midland, TX 79701 Phone: Fax: ENDEAVOR NATURAL GAS, LP 1201 Louisiana St., Ste 3350 Houston, TX 77002 Phone: (713) 658-8555 Fax: Phone: (318) 237-0410 Fax: ENERGETICS, LTD DART OIL & GAS CORPORATION P.O. Box 177 Mason, MI 48854 Phone: (517) 676-2900 x 285 Fax: STONE PETROLEUM CORP., THE STONE ENERGY CORP. P.O. Box 52807 Lafayette, LA 70505 Phone: (303) 861-8140 Fax: ENERGY MARKETING INC. 1815 Capitol Avenue Omaha, NE 68102 Phone: (402) 221-2286 Fax: SM ENERGY COMPANY SM OPERATING CO. 1776 Lincoln Street, Ste 700 Denver, CO 80203 Phone: (281) 637-6358 Fax: (866) 507-5620 ENTERPRISE CRUDE OIL LLC 210 Park Ave, Ste 1600 Oklahoma City, OK 73102-5630 Phone: (405) 239-5760 Fax: SUNOCO LOGISTICS PO Box 5090 Sugar Land, TX 77487 ENOGEX, INC. ENOGEX SERVICES CORPORATION P.O. Box 24300 Oklahoma City, OK 73124-0300 Phone: (405) 557-5204 Fax: (405) 557-5258 SUNDANCE RESOURCES 500 N Akard Street Dallas, TX 75201-3320 Phone: (214) 740-4111 Fax: Phone: (214) 368-6100 Fax: EOG RESOURCES, INC. P.O. Box 4362 Houston, TX 77210-4362 Phone: (713) 651-7000 Fax: SUNDOWN ENERGY, INC. 13455 Noel Road, Suite 2000 Dallas, TX 75240 SUNSHINE LAND MANAGEMENT, INC. 5322 West Bellford, Ste 208 Houston, TX 77035 Phone: (713) 726-9149 Fax: EQUITABLE RESOURCES ENERGY CO. WESTERN REGION 1601 Lewis Avenue Billings, MT 59102-4126 6 Phone: (406) 259-7860 Fax: 21 Royalty Owner Relations Royalty Owner Relations RIO PETROLEUM CORP. 2805 N. 15th Street Amarillo, TX 79102 Phone: (806) 356-8033 Fax: EXXON MOBIL CORPORATION P.O. Box 2024 Houston, TX 77252-2024 Phone: (713) 680-7993 Fax: (713) 680-5736 ROCKY MOUNTAIN PROPERTIES P.O. Box 51110 Casper, WY 82605 Phone: (307) 472-5565 Fax: FAIR ASSOCIATES, INC. 150 N Main, #1014 Wichita, KS 67202-1318 Phone: (316) 264-7181 Fax: ROSEWOOD RESOURCES INC. 2711 N. Haskell, Ste 2800, LB #22 Dallas , TX 75204-2944 Phone: (214) 756-6619 (214) 756-6626 Fax: FARMERS NATIONAL COMPANY 403 S. Cheyenne, Suite 800 Tulsa, OK 74103 Phone: (918) 584-0715 1 (888) 880-1400 Fax: (918) 398-5901 SABIO OIL & GAS, INC. 338 Meadows Building Dallas, TX 75206 5646 Milton Street Phone: (214) 691-7531 Fax: Phone: (713) 874-2101 Fax: (713) 874-2107 SAMSON INVESTMENT COMPANY Smason Owner Relations PO Box 21035 Tulsa, OK 74121 www.samson.com/ownerrelations.html Phone: (800) 735-2830 Fax: FARMERS OIL COMPANY MADISON PIPE LINE COMPANY RAINBOW PIPE LINE COMPANY ESTATE OF J.R. PARTEN & PARTEN OPERATING INC. SATURN GAS SYSTEMS 16945 Northchase Dr, Ste 1800 Houston, TX 77060-1251 FLINT HILLS RESOURCES LP P.O. Box 2917 Wichita, KS 67201-2917 Phone: (800) 292-3133 Fax: (316) 828-9395 SANDRIDGE ENERGY, INC. 123 Robert S. Kerr Oklahoma City, OK 73102 www.sandridgeenergy.com/aboutsandridge/ interestownerrelations Phone: (405) 753-5994 Fax: FLYING J OIL & GAS INC. P.O. Box 150310 Ogden, UT 84415-0310 Phone: (801) 624-1618 Fax: Phone: (303) 812-1400 Fax: (303) 812-1602 SANQUINE GAS EXPLORATION, INC. P.O. Box 700720 Tulsa, OK 74170 Phone: (918) 494-6070 Fax: FOREST OIL CORPORATION FOREST OIL PERMIAN CORP. 1600 Broadway, Suite 2200 Denver, CO 80202 FRANKE INTEREST, INC. Frost National Bank P.O. Box 1600 San Antonio, TX 78296-1600 Phone: (210) 220-4909 Fax: FRANKS PETROLEUM, INC. P.O. Box 7665 Shreveport, LA 71137-7665 Phone: (318) 221-2688 Fax: FREEPORT-MCMORAN, INC. F M PROPERTIES OPERATING CO. P.O. Box 60004 New Orleans, LA 70160 Phone: (504) 582-4934 Fax: FREEPORT-MCMORAN, INC. F M PROPERTIES OPERATING CO. 1615 Poydras St. New Orleans, LA 70112 Phone: (504) 582-4673 Fax: SEDNA ENERGY INC. 4600 Rogers Avenue Ft. Smith, AR 72903 Phone: (479) 782-4111 Fax: SENECA RESOURCES CORPORATION 1201 Louisiana St., Ste 400 Houston, TX 77002 Phone: (713) 654-2600 (713) 654-2644 Fax: SHELL U.S. SHELL WESTERN E&P INC. (SWEPI) Royalty Owner Relations Houston, TX 77001-9906 P.O. Box 576 Phone: (281) 544-2600 Fax: SILVER DOLLAR RESOURCES P.O. Box 51110 Casper, WY 82605 Phone: (307) 472-5565 Fax: 20 7 Royalty Owner Relations Royalty Owner Relations GAS ENERGY DEVELOPMENT P.O. Box 35287 Tulsa, OK 74153 Phone: (918) 254-1531 Fax: PRUET PRODUCTION CO. 217 W. Capitol St., Suite 201 Jackson, MS 39201 Phone: (601) 948-5279 Fax: GLOBAL NATURAL RESOURCES CORP. 1001 Fannin, Suite 1700 Houston, TX 77002-6794 Phone: (713) 210-2160 Fax: Phone: (405) 607-8034 Fax: (405) 607-8030 GOODRICH OIL COMPANY 333 Texas St., Suite 1350 Shreveport, LA 711101 Phone: (318) 429-2300 Fax: QEP ENERGY CO. Western Midcontinent Division 2601 NW Expressway, Suite 1200 E Oklahoma City, OK 73112 www.qepres.com Phone: (918) 488-8962 Fax: GREAT LAKES CHEMICAL CORP. 104 North Washington El Dorado, AR 71730 Phone: (501) 862-9100 Fax: QEP ENERGY CO. Eastern Midcontinent Division 6100 South Yale, Suite 900 Tulsa, OK 74136-1910 GREAT LAKES ENERGY PARTNERS LLC 125 SR 43, P.O. Box 550 Hartville, OH 44632 Phone: (330) 877-3627 x 124 Fax: (330) 877-5710 QUANAH COMPANY P.O. Box 4469 Tulsa, OK 74159 Phone: Fax: GREAT WESTERN RESOURCES, INC. 1111 Bagby, Suite 1700 Houston, TX 77002 Phone: (713) 739-8400 x 534 Fax: QUANTUM RESOURCES MANAGEMENT LLC 1775 Sherman St. #1525 Denver, CO 80203 Phone: (303) 861-1170 Fax: BENJAMIN F. HACKETT & ASSOCIATES 430 E. 2nd St. Edmond, OK 73034 Phone: (405) 340-8854 Fax: (405) 340-8299 RANGE RESOURCES CORP. Southwestern Region-Permian Basin Division 777 Main Street, Ste #800 Ft. Worth, TX 76102 www.rangeresources.com/contactus.asp Phone: (877) 506-4133 Fax: HALL PRODUCTION CO. L.C. 9520 North May Ave. Ste 350 Oklahoma City, OK 73120 Phone: (405) 751-1338 Fax: RATEX RESOURCES INC. 2505 Globe Avenue Dallas, TX 75228-4471 Phone: (214) 320-9643 Fax: HALLADOR PETROLEUM. LLP 1660 Lincoln Street, Ste 2700 Denver, CO 80264 Phone: (303) 839-5506 Fax: RAYDON EXPLORATION INC. One Benham Place, Suite 400 Oklahoma City, OK 73114 9400 N Broadway Phone: (405) 478-8585 Fax: (405) 478-4664 HALLWOD ENERGY COMPANIES 421 Marti Drive Cleburne, TX 76033 Phone: (817) 645-6006 Fax: RDR ENERGY, LLC 400 W. Illinois, Suite 1540 Midland, TX 79701 Phone: (432) 683-6231 Fax: HAMPTON OPERATING COMPANY HAMPTON RESOURCES CORP. 1221 Lamar, Suite 1600 Houston, TX 77010-3039 Phone: Fax: READ & STEVENS, INC. P.O. Box 1518 Roswell, NM 88202-1518 Phone: (505) 622-3770 Fax: HANLEY PETROLEUM, INC. 415 W Wall Street, Suite 1500 Midland, TX 79701-4473 Phone: Fax: RESOLUTE ENERGY, INC. 2700, 520, 8th Ave SW Calgary, Alberta T2P 3S8 Phone: (403) 264-9562 Fax: 8 19 (918) 582-1143 Royalty Owner Relations Royalty Owner Relations PICKENS ENERGY CORPORATION 8499 Greenville Ave., Ste 105 Dallas, TX 75231-2411 Phone: (214) 503-1271 Fax: HANNA OIL AND GAS CO. P.O. Box 1356 Ft. Smith, AR 72902-1356 Phone: (479) 782-8808 Fax: (479) 782-1343 PIONEER NATURAL RESOURCES USA, INC. PIONEER NATURAL RESOURCES CO. P.O. Box 3178 Midland, TX 79702-3178 Phone: (432) 571-5010 Fax: JESS HARRIS III, INC. 2601 NW Expressway, Suite 200E Oklahoma City, OK 73112 Phone: Fax: PLACID OIL COMPANY SOUTHERN REGION P.O. Box 27570 Houston, TX 77227-7570 Phone: (713) 215-7231 Fax: HCM (HALPIN, COBB & MOREY) 4625 Greenville Ave., Suite 306 Dallas, TX 75206 Phone: (214) 368-1423 Fax: HEADINGTON OIL COMPANY HEADINGTON MINERALS, INC. HEADINGTON PENN CORP. HEDINGTON ROYALTY, INC. 7557 Rambler Rd. Suite 1100 Dallas, TX 75231-2305 Phone: Fax: HENRY GUNGOLL OPERATING, INC. P.O. Box 6209 Enid, OK 73702-6209 Phone: (580) 234-2302 x2 Fax: HESS CORPORATION P.O. Box 2040 Houston, TX 77252-2040 www.hess.com/aboutus/contact_hess.htm#owner Phone: (800) 609-4255 Fax: HEP OIL CO, LTD P.O. Box 1499 Gainesville, TX 76241 Phone: (940) 665-4373 x 104 Fax: HOUSTON HILL ESTATE 500 W. 7th Street, Ste 1802 Fort Worth, TX 76102-4772 Phone: (817) 336-8252 Fax: J.M. HUBER CORPORATION 11451 Katy Freeway, Ste 400 Houston, TX 77079 Phone: (713) 871-4400 Fax: H. HUFFMAN & CO 301 NE 63rd Street Ste 510 Oklahoma City, OK 73116-7906 Phone: (405) 848-3388 Fax: HUNT OIL COMPANY Fountain Place 1445 Ross at Field Dallas, TX 75202-2785 Phone: (214) 978-8701 Fax: PLACID OIL COMPANY WESTERN REGION P.O. Box 50250 Midland, TX 79710-0250 Phone: Fax: PLACID REFINING CO. 1940 Highway #1 North Part Allen, LA 70767 Phone: (504) 346-7499 Fax: PLAINS ALL AMERICAN PIPELINE, L.P. 333 Clay Street, Ste 1600 Houston, TX 77002 Phone: (800) 564-3036 Fax: PLAINS E&P CO. 1020 Main, 20th Floor Houston, TX 77001 Phone: (713) 579-6028 Fax: PLAINS MARKETING, LP P.O. Box 4648 , Phone: (713) 646-4100 Fax: PLAINS RESOURCES, INC. 1600 Smith St., Suite 1500 Houston, TX 77002 Phone: (713) 646-4460 (800) 772-7589 Fax: PLANTATION PETROLEUM ACQUISITIONS, LLC 2203 Timberloch Place, Ste 229 The Woodlands, TX 77380 PROSPECTIVE INVESTMENT AND TRADING CO., LTD P.O. Box 702320 Tulsa, OK 74170-2320 18 Phone: (281) 296-7222 Fax: (281) 298-2333 Phone: (918) 747-4999 Fax: 9 (214) 696-7701 Royalty Owner Relations Royalty Owner Relations HUNT REFINING COMPANY 1855 Fairlawn Road P.O. Box 038995 Tuscaloosa, AL 35403-8995 Phone: (205) 391-3564 Fax: HUNTER RESOURCES, INC. P.O. Box 140908 Irving, TX 75014-0908 Phone: Fax: HYDRO GULF OF MEXICO, LLC 1200 Smith Street, Ste 800 Houston, TX 77002 Phone: Fax: IDAHO OIL COMPANY 1802 N St. Mary's St. San Antonio, TX 78212 Phone: (210) 227-5233 Fax: IMPERIAL OIL COMPANY 22499 Imperial Valley Drive Houston, TX 77073-1173 Phone: (281) 209-1150 Fax: (281) 209-1154 INNOVATIVE BUSINESS SOLUTIONS, INC. 1625 Broadway, Suite 950 Denver, CO 80202 Phone: (303) 592-4327 Fax: INTERNATIONAL PAPER COMPANY PETROLEUM & MINERALS DIVISION 1600 Smith #3600 P.O. Box 4258 Houston, TX 77252 Phone: (713) 951-2731 Fax: (713) 951-2771 IOC, INC. 7001 Orchard Lake Rd., Ste 420C West Bloomfield, MI 48322-3680 Phone: (810) 851-5651 Fax: (810) 851-9080 JGM COMPANY Land, Mineral & Royalty Investments P.O. Box 6556 Houston, TX 77265-6556 Phone: (800) 270-7007 Fax: (888) 646-3355 J & S OPERATING CO. P.O. Box 2249 Wichita Falls, TX 76307 Phone: Fax: J-W OPERATING CO. P.O. Box 8483 Longview, TX 75607 Phone: (866) 299-8191 Fax: 10 OMIMEX PETROLEUM, INC. 5608 Malvey Penthouse Suite Fort Worth, TX 76107 Phone: (817) 735-1500 Fax: ORION PROPERTIES, INC. 11776 So. 76th E. Ave. Bixby, OK 74008 Phone: (918) 369-1125 Fax: OXY USA, INC. OCCIDENTAL OIL & GAS CORP. Southern Region P.O. Box 27570 Houston, TX 77227-7570 Phone: (713) 215-7231 Fax: P&M GAS SERVICES Mail Stop 2610 Albuquerque, NM 87158 Alvarado Square Phone: Fax: PARALLEL PETROLEUM LLC P.O. Box 10587 Midland, TX 79702 Phone: Fax: PATHFINDER ENERGY, INC. P.O. Box 51110 Casper, WY 82605 Phone: (307) 472-5565 Fax: PENNMARK RESOURCES COMPANY 1001 NW 63rd Street Oklahoma City, OK 73116 Phone: (405) 840-9885 Fax: PETRO-CANADA RESOURCES USA INC. 1099 18th Street, Suite 400 Denver , CO 80202-1904 Phone: (303) 297-2100 Fax: PETROHAWK PROPERTIES, LP Vicki Crews, Manager Tricia Triola, Supervisor 1000 Louisiana , Ste 5600 Houston, TX 77002 Phone: (832) 369-2144 (832) 204-2715 Fax: PETROLEUM, INC. Carol Frazier, Supervisor 1300 Epic Senter Wichita, KS 67207 301 N Main Phone: (316) 291-8206 Fax: 17 Royalty Owner Relations Royalty Owner Relations NORSE EXPLORATION INC. 2500 Tanglewilde, Ste 250 Houston, TX 77063 Phone: (713) 975-1900 x110 Fax: (713) 975-0221 NORTH AMERICAN ROYALTIES, INC. 200 East 8th Street Chattanooga, TN 37402 Phone: Fax: NORTH STAR OPERATING CO. 400 W. Illinois, Ste 1110 Midland, TX 79702-7708 P.O. Box 10708 Phone: (432) 684-5765 Fax: JETTA APPLACHIAN COMPANY 777 Taylor Street P1 Fort Worth Club Tower Fort Worth, TX 76102 Phone: (817) 335-1179 Fax: JETTA PRODUCTION COMPANY, INC. JETTA OPERATING COMPANY, INC. NADEL & GUSSMAN-JETTA OPERATING CO. 777 Taylor Street Ft. Worth Club Tower, Ste PI-D Fort Worth, TX 76102 Phone: (817) 335-1179 Fax: (817) 335-2285 KAISER-FRANCES OIL COMPANY KFOC, INC. P.O. Box 840234 Dallas, TX 75284-0234 Phone: (713) 381-1527 Fax: NORTHERN TRUST BANK OF TEXAS N.A. P.O. Box 226270 Dallas, TX 75222-6270 Phone: (972) 738-8456 Fax: NOVA RESOURCE, INC. P.O. Box 743324 Dallas, TX 75374 Phone: (972) 530-3930 Fax: KCS RESOURCES, INC. 7130 S. Lewis, Suite 700 Tulsa, OK 74136 Phone: (918) 488-8283 Fax: (918) 488-8182 NUEVO ENERGY COMPANY 1021 Main Street, Ste. 2100 Houston, TX Phone: Fax: KENTUCKY OIL & REFINING COMPANY, INC. 155 Kentucky Oil Village Betsy Layne, KY 41605 Phone: (606) 478-9501 (606) 478-9502 Fax: OCCIDENTAL ENERGY MKTG, INC. P.O. Box 27570 Houston, TX 77227-7570 Phone: (713) 215-7102 Fax: KEPCO ENERGY INC. 4415 N Classen Blvd. Oklahoma City, OK 73118 Phone: (405) 236-1793 Fax: (405) 236-1799 ODYSSEY PETROLEUM COMPANY 1221 Lamar, Suite 1600 Houston, TX 77010-3039 Phone: (713) 650-1246 Fax: (713) 655-1269 KERRCO, INC. 2200 Niels Esperson Bldg. Houston, TX 77002 Phone: (713) 229-9899 Fax: (713) 229-8738 OG&E ELECTRIC SERVICES P.O. Box 321 Oklahoma City, OK 73101-0321 Phone: (405) 553-3699 Fax: (405) 553-3689 KINSEY INTERESTS, INC. 401 Edwards Street, Suite 1805 Shrevport, LA 71101-3172 Phone: (318) 222-7173 Fax: (318) 673-1417 OKLAHOMA NATURAL GAS CO. P.O. Box 871 Tulsa, OK 74102 Phone: Fax: Phone: (405) 840-2882 Fax: (405) 840-2946 OLYMPIA ROYALTY LTD 3811 Turtle Creek Blvd. Suite 1800 Dallas, TX 75219 Phone: (214) 651-6229 Fax: (214) 651-6230 KIRKPATRICK OIL CO. KIRKPATRICK OIL & GAS CO. P.O.Box 268822 Oklahoma City, OK 73126-8822 KOCH OIL COMPANY A Division of Koch Ind., Inc. P.O. Box 2239 Wichita, KS 67201-2239 Phone: (316) 828-5305 Fax: 16 11 Royalty Owner Relations Royalty Owner Relations NABORS DRILLING USA, LP c/o Ramshorn Investments, Inc. 515 W. Green Road, Ste 1000 Houston, TX 77067-4525 Phone: (281) 775-4863 Fax: NANCE PETROLEUM CORP Billings, MT Phone: (406) 245-6248 Fax: NATIONAL COOPERATIVE REFINERY ASSOCIATION (NCRA) 2000 S. Main McPherson, KS 67460 P.O. Box 1404 Phone: (316) 241-9182 Fax: NATIONAL ENERGY GROUP, INC. 4925 Greenville Ave., Ste 1400 Dallas, TX 75205 Phone: (214) 692-9211 x127 Fax: NAVAJO REFINING COMPANY P.O. Box 1600 Artesia , NM 88211-1600 Phone: (575) 748-4000 Fax: (575) 746-8612 NEUMIN PRODUCTION COMPANY P.O. Box 769 Point Comfort, TX 77978 Phone: (361) 987-8920 (361) 987-8907 Fax: NEWFIELD EXPLORATION MID-CONTINENT INC. One Williams Center, Ste 900 Tulsa, OK 74172 Phone: (866) 415-4470 Fax: (918) 732-1778 NEWFIELD EXPLORATION GULF COAST INC. 363 N. Sam Houston Pky E, Ste 2020 Houston, TX 77060 Phone: (866) 269-0281 Fax: Phone: (214) 692-7782 Fax: (214) 629-7820 NEXEN PETROLEUM U.S.A. INC. 12790 Merit Dr., Ste 800 LB94 Dallas, TX 75251-1270 Phone: (214) 450-4676 Fax: THE QUINTIN LITTLE CO. P.O. Box 1509 Ardmore, OK 73402 Phone: Fax: RALPH NIX COMPANY P.O. Box 440 Artesia, NM 88211-0440 Phone: (505) 746-9829 Fax: L L & B COMPANIES 510 Hearn Street Building Austin, TX 78703 Phone: (512) 322-9779 Fax: (512) 499-0829 NOBLE ENERGY, INC. P.O. Box 909 Ardmore, OK 73402 Phone: (580) 221-1563 (580) 221-1284 Fax: (580) 221-1364 KUNDYSEK FAMILY INVESTMENTS, L.P. P.O. Box 702377 Dallas, TX 75370 Phone: Fax: LANEXCO, INC. P.O. Box 2730 Midland, TX 79702 Phone: (432) 687-5047 Fax: LANGHAM PETROLEUM EXPL. CORP. 4801 Woodway Dr. #283W Houston, TX 77056-1805 Phone: (713) 961-0015 Fax: (713) 552-0063 LARIO OIL & GAS COMPANY 301 South Market Street Wichita, KS 67202 Phone: (316) 265-5611 Fax: (316) 265-5610 LAWSON PETROLEUM COMPANY 2100 Philtower Building Tulsa, OK 74103-4131 Phone: (918) 584-5155 Fax: LINN ENERGY 14000 Quail Spring Parkway Oklahoma City, OK 73134 www.linnenergy.com Phone: (405) 241-2200 Fax: (405) 241-2395 LINN ENERGY 600 Travis, Suite 5100 Houston, TX 77002 Phone: (281) 840-4000 Fax: LION OIL TRADING & TRANS., INC. 1001 School Street P.O. Box 7005 El Dorado, AR 71731-7005 Phone: (870) 864-1326 (870) 864-1371 or (870) 864-1277 Fax: LONGVIEW PRODUCTION COMPANY 12001 N Central Expressway, Ste 640 Dallas, TX 75243 12 (204) 361-6460 15 Royalty Owner Relations Royalty Owner Relations MERIT ENERGY COMPANY 13727 Noel Road, Suite 500 Dallas, TX 75240 Phone: (972) 628-1515 Fax: MIDWEST ENERGY CORPORATION 2405 E. Skelly Dr. Tulsa, OK 74105 Phone: Fax: MILLER ENERGY, INC. 7900 Moorsbridge Road Kalamazoo, MI 49002-4076 Phone: (616) 324-3390 Fax: MISSION RESOURCES CORP. 1331 Lamar, Ste. 1455 Houston, TX 77010-3039 Phone: (713) 495-3000 Fax: (713) 652-2916 MONCRIEF OIL INTERESTS Moncrief Building Fort Worth, TX 76102-5418 950 Commerce Street Phone: (817) 336-7232 Fax: (817) 336-3164 MOORE & SHELTON Company, LTD P.O. Box 3070 Galveston, TX 77552 Phone: (713) 621-9190 Fax: MORTON LAND SERVICES 300 Walnut Street Allegan, MI 49010-1259 Phone: Fax: MOSBACHER ENERGY COMPANY 712 Main St., Suite 2200 Houston, TX 77002-3290 Phone: Fax: MURPHY OIL USA, INC. 200 Peach Street El Dorado, AR 71730-5836 Phone: (501) 864-6350 Fax: MUSTANG FUEL CORPORATION MUSTANG GAS PRODUCTS, LLC 13439 Broadway Extension Oklahoma City, OK 73114-2202 Phone: (405) 748-9206 (405) 748-9497 Fax: (405) 748-9250 MW PETROLEUM (Apache) One Post Oak Central Houston, TX 77056-4400 2000 Post Oak Central, Suite 100 Phone: (713) 296-6000 Fax: 14 MCMORAN OIL & GAS LLC F M PROPERTIES OPERATING CO. P.O. Box 60004 New Orleans, LA 70160 Phone: (540) 582-4934 Fax: MCMORAN OIL & GAS LLC F M PROPERTIES OPERATING CO. 1615 Poydras St. New Orleans, LA 70112 Phone: (504) 582-4673 Fax: MACGUIRE OIL COMPANY 1201 Elm St., Ste 4000 Dallas, TX 75270-3499 Phone: (214) 741-5137 Fax: MAINLAND RESOURCES, INC. P.O. Box 1096 Oklahoma City, OK 73101-1096 Phone: (405) 525-6300 Fax: (405) 525-9673 MARATHON OIL COMPANY PRA Royalty Relations Tulsa, OK 74121-1158 P.O. Box 21158 Phone: (888) 522-8871 Fax: MARATHON OIL COMPANY PRA Division Order Houston, TX 77252-2069 P.O. Box 2069 Phone: (713) 296-4614 Fax: R.D. MARCHAM ENERGY INC. P.O. Box 54443 Oklahoma City, OK 73154 Phone: (405) 752-0888 Fax: MARIENFELD ROYALTY CORP. P.O. Box 25914 Houston, TX 77265 Phone: (800) 647-2580 Fax: MARLIN OIL CORPORATION The Marlin Bldg. 9500 Cedar Lake Ave. Oklahoma City, OK 73113-0630 P.O. Box 14630 Phone: (405) 478-1900 Fax: MCGOWEN WORKING PARTNERS INC. PO Box 55809 Jackson, MS Phone: (601) 982-3444 Fax: (601) 982-1879 MERIT ENERGY COMPANY 13727 Noel Road, Suite 500 Dallas, TX 75240 Phone: (972) 628-1515 Fax: 13