Mr. Aaron Carlson
Corporate Counsel
Noble Energy, Inc.
100 Glenborough Drive, Suite 100
Houston, TX 77067
(281) 872-3354

Mr. Stanley Chinn
Tax Counsel
EnCana Oil & Gas (USA) Inc.
US Tax Department, Republic Tower
370 17th Street, Suite 1700
Denver, CO 80202
(720) 876-3723

Ms. Pam Horner
Tax Manager
Yates Petroleum Corporation
105 South Fourth Street
Artesia, NM 88210
(575) 748-4336

Mr. Bill Jones
Senior Tax Counsel
ConocoPhillips Company
600 North Dairy Ashford, ML 3034
Houston, TX 77079
(281) 293-2814

Mr. LaWonda Love
Tax Counsel
ConocoPhillips Company
600 North Dairy Ashford
Houston, TX 77056
(281) 293-3515

Mr. David W. Mannas
Corporate Controller
The Quintin Little Company, Inc.
P.O. Box 1509
Ardmore, OK 73402
(580) 226-7600 x220

Mr. James Pomasl
Senior Tax Analyst
Anadarko Petroleum Corporation
1200 Timberloch Place
The Woodlands, TX 77380
(832) 636-7829

Ms. Susan J. Roeder
Manager, Business Analysis
Hilcorp Energy Company
P.O. Box 61229
Houston, TX 77208-1229
(281) 637-6650

Mr. Chuck Smyth
Vice President & Treasurer
Cabot Oil & Gas Corporation
1200 Enclave Parkway
Houston, TX 77210
(281) 589-4848

Mr. Jon Sauer
Vice President – Tax
Apache Corporation
2000 Post Oak Blvd. Suite 100
Houston, TX 77054
(713) 296-6180

Mr. Charlie Scott
Vice President, Tax
The Hanover Company
12001 N. Houston Roslyn Road
Houston, TX 77086
(281) 405-6228

Mr. Preston Venable
Tax Manager
Ultra Petroleum Corporation
304 Inverness Way, Suite 295
Denver, CO 80112-5825
(303) 645-9832