DALLAS--(BUSINESS WIRE)-- Pioneer Southwest Energy Partners L.P. (PSE) (Pioneer Southwest) today announced it has filed with the U.S. Securities and Exchange Commission its Annual Report on Form 10-K for the year ended December 31, 2012.

Pioneer Southwests 2012 Form 10-K can be viewed on the Partnerships website at www.pioneersouthwest.com by selecting Investors and then SEC Filings.

Upon written request, investors may receive free of charge a hard copy of the Annual Report on Form 10-K (including complete audited financial statements). Written requests should be directed to Pioneer Southwest Energy Partners L.P. Investor Relations at 5205 N. OConnor Blvd., Suite 200, Irving, Texas 75039-3746.

Pioneer Southwest is a Delaware limited partnership, headquartered in Dallas, Texas, with current production and drilling operations in the Spraberry field in West Texas.

Pioneer Southwest Energy Partners L.P.
Investors
Frank Hopkins, 972-969-4065
or
Josh Jones, 972-969-5822
or
Media and Public Affairs
Susan Spratlen, 972-969-4018
or
Suzanne Hicks, 972-969-4020

Source: Pioneer Southwest Energy Partners L.P.