Pioneer Natural Resources Company (NYSE:PXD) today announced that Scott Sheffield, Chairman and Chief Executive Officer, will present at The Howard Weil Energy Conference on Tuesday, March 27 at 9:40 a.m. CT.

The presentation will not be webcast; however, the slides will be available on Pioneer's website at www.pxd.com. Select 'Investors,' and then select '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 www.pxd.com.

Pioneer Natural Resources
Investors
Frank Hopkins, 972-969-4065
or
Eric Pregler, 972-969-5756
or
Media and Public Affairs
Susan Spratlen, 972-969-4018
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Suzanne Hicks, 972-969-4020