Western Gas Partners to Present at Upcoming Investor Conference

Western Gas Partners, LP (NYSE:WES) today announced that Robert G. Gwin, President and CEO, will present at the 2009 MLP Investor Conference, sponsored by the National Association of Publicly Traded Partnerships, in Greenwich, Connecticut on Wednesday, Sept. 16, 2009 at 10:45 a.m. EDT. A link to the webcast presentation will be available at www.westerngas.com. The replay also will be available on the company’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 (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, processing, treating and transporting natural gas for Anadarko and other producers and customers. For more information about Western Gas Partners, please visit www.westerngas.com.