Western Gas to Present at Upcoming Energy Conference

HOUSTON, Nov 29, 2011 (BUSINESS WIRE) — Western Gas Partners, LP (NYSE: WES) today announced that Donald R. Sinclair, President and CEO, will present at the 2011 Wells Fargo Securities Energy Conference in New York on Tuesday, Dec. 6, 2011 at 8:20 a.m. (EST). The presentation materials and a link to the audio webcast presentation will be available athttp://www.westerngas.com. A replay of the webcast will also be available on the partnership’s Web site for approximately 30 days following the event.

Western Gas Partners, LP is a growth-oriented Delaware limited partnership formed by Anadarko 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, compressing, processing, treating and transporting natural gas for Anadarko and other producers and customers. For more information about Western Gas Partners, please visit http://www.westerngas.com.

SOURCE: Western Gas Partners, LP

Western Gas Partners, LP

Benjamin Fink, CFA, 832-636-6010

SVP, Chief Financial Officer and Treasurer

[email protected]