Pioneer Natural Resources to Present at The UBS Oil and Gas Conference

Pioneer Natural Resources Company (NYSE:PXD) today announced that
Frank Hopkins, Senior Vice President, will present at The UBS Oil and
Gas Conference on Tuesday, May 22, at 10:00 a.m. CT.

Any interested person may listen to the live presentation and view the
presentation slides during the conference, or hear an archived version
afterwards, by logging on to Pioneer′s website at selecting "Investors,′ and then selecting "Investor Presentations.′

Pioneer is a large independent oil and gas exploration and production
company, headquartered in Dallas, Texas, with operations primarily in
the United States. For more information, visit Pioneer′s website at