Western Gas Partners, LP Files 2011 Annual Report; February 2012 Investor Book Available

HOUSTON–(BUSINESS WIRE)–Feb. 28, 2012– Western Gas Partners, LP (NYSE: WES) today announced that it has filed its Annual Report on Form 10-K for the fiscal year ended December 31, 2011 with the Securities and Exchange Commission . A copy of the report is available for viewing and downloading on the Partnership’s Web site at http://www.westerngas.com. Western Gas Partnersunitholders may request hard copies of the report, which contains the Partnership’s audited financial statements, free of charge by emailing [email protected] or by submitting a written request to Western Gas Partners, LP at the following address: P.O. Box 1330, Houston, TX 77251-1330, Attention: Investor Relations.

Further, at 8 a.m. on Thursday, March 1, 2012 , the Partnership’s February 2012 Investor Book will be available for viewing and downloading on the Partnership’s Web site.

Western Gas Partners, LP is a growth-oriented Delaware master limited partnership formed byAnadarko Petroleum Corporation 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, processing, compressing, treating and transporting natural gas, condensate, natural gas liquids and crude oil for Anadarko and other producers and customers. For more information about Western Gas Partners, please visithttp://www.westerngas.com.


Source: Western Gas Partners, LP

Western Gas Partners, LP

Benjamin Fink, CFA

SVP, Chief Financial Officer & Treasurer


[email protected]