Western Gas Partners, LP Declares Distribution and Schedules Earnings Conference Call

HOUSTON–(BUSINESS WIRE)–Apr. 21, 2009– Western Gas Partners, LP (NYSE:WES) announced today that the board of directors of its general partner has declared a cash distribution of $0.30 per unit for the first quarter of 2009. The distribution is payable on May 15, 2009 to unitholders of record at the close of business on May 1, 2009.

The partnership plans to report its first-quarter 2009 results after the market closes on Tuesday, May 12, 2009. Management will host a conference call on Wednesday, May 13, 2009, at 9 a.m. CDT (10 a.m. EDT) to discuss quarterly results.

The full text of the release announcing the results will be available on the partnership’s Web site atwww.westerngas.com. To access the live audio webcast of the conference call, please visit the investor relations section of the Web site, or participate via telephone by dialing 888-679-8035, participant code 20398614. Please call in 10 minutes prior to the scheduled start time. A replay of the call will be available on the Web site for two weeks following the conference call.

Western Gas Partners, LP is a growth-oriented Delaware limited partnership formed by Anadarko Petroleum Corporation (NYSE:APC) to own, operate, acquire and develop midstream energy assets. With midstream assets in East and West Texas, the Rocky Mountains and the Mid-Continent, the Partnership is engaged in the business of gathering, compressing, treating, processing and transporting natural gas for Anadarko and other producers and customers. For more information about Western Gas Partners, please visit www.westerngas.com.



Source: Western Gas Partners, LP

Western Gas Partners, LP

Chris Campbell, CFA, 832-636-6012

[email protected]