Office Locations

Corporate Headquarters 15 Inverness Way East Englewood, Colorado 80112 U.S.A. Telephone: +1 303 736 3000 Fax: +1 303 736 3150

Calgary PetroCanada Building, West Tower Suite 3900, 150 - 6th Ave. SW Calgary, Alberta Canada T2P 3Y7 Telephone: +1 403 770 4646 Fax: +1 403 770 4647 Effective February 17th, 2009 IHS Stampede Station Suite 200, 1331 MacLeod Trail SE Calgary, AB T2G 0K3 Canada Phone numbers will remain the same. M. 403.770.4646 F. 403.770.4647	Edmonton Main Flr., South Petroleum Plaza Suite 112, 9915 - 108 Street Edmonton, AB T5K 2G8 Telephone: +1 780 413 3380 Fax +1 780 413 3383

China World Trade Centre, West Wing 306 No.1 Jian Guo Men Wai Avenue Chaoyang District Beijing 100004, China Telephone: +86 10 6505 2966 Fax: +86 10 6505 2977	Singapore 78 Shenton Way #12-01 Singapore 079120 Republic of Singapore Tel: +65 6576 5300 Fax (Sales): +65 6225 9695 Fax (General): +65 6225 9694

Moscow Russia, Moscow 129085 Godovikova St. 9/31 Office 323 Telephone: +7 495 9806880	Japan Cera 51 Building, 1-21-8 Ebisu, Shibuya-ku, Tokyo 150-0013 Japan Telephone: +81 3 5791 9530 Fax: +81 3 5791 9662

Switzerland 24 Chemin de la Mairie P.O. Box 152 1258 Perly, Geneva Switzerland Telephone: +41 22 721 1717 Fax: +41 22 721 1919

Epsom Newplan House 41 East Street Epsom, Surrey, KT17 1BL, UK Telephone: +44 (0) 208 602 3800 Fax: +44 (0) 208 602 3805	Tetbury Enterprise House Cirencester Road Ilsom, Tetbury Gloucestershire GL8 8RX, UK Telephone: +44 (0) 1666 501200 Fax: +44 (0) 1666 504704

Denver Corporate Headquarters 15 Inverness Way East Englewood, CO 80112 Telephone: +1 303 736 3000 Fax: +1 303 736 3150	Dallas 17177 Preston Road, Suite 200 Dallas, TX 75248 Telephone: +1 972 783 8002 Fax: +1 972 783 0058

Houston 5333 Westheimer, Suite 100 Houston, TX 77056 Telephone: +1 713 840 8282 Fax: +1 713 599 9111	Midland 10 Desta Drive, Suite 620E Midland, TX 79705 Telephone: +1 432 682 2343 Fax: +1 432 683 5817

Oklahoma City 4045 N.W. 64th, Suite 300 Oklahoma City, OK 73116 Tel: + 1 405-254-2522 Fax: +1 405-254-2602	Tulsa 8801 South Yale, Suite 380 Tulsa, OK 74137 Telephone: +1 918 971 7071 Fax: +1 918 971 7074