News Releases

HOUSTON--(BUSINESS WIRE)--Jul. 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 $0.31 per unit for the second quarter of 2009, representing an increase of $0.01 per unit over the prior quarter. The distribution is payable on August 14, 2009 to unitholders of record at the close of business onJuly 31, 2009.

The partnership plans to report its second-quarter 2009 results after the market closes on Tuesday, August 11, 2009. Management will host a conference call on Wednesday, August 12, 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. To participate via telephone, please dial 888.679.8038 and enter participant code 56695688. 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
chris.campbell@westerngas.com