Pioneer Southwest Energy Partners L.P. To Present at RBC Capital Markets MLP Conference

  Pioneer Southwest Energy Partners L.P. To Present at RBC Capital Markets MLP
  Conference

Business Wire

DALLAS -- November 08, 2012

Pioneer Southwest Energy Partners L.P. (“Pioneer Southwest”) (NYSE:PSE) today
announced that Rich Dealy, Executive Vice President and CFO, will participate
on a panel titled “E&P MLP’s: Organic vs. Acquisition Based Growth Models” at
the RBC Capital Markets MLP Conference on November 16 at 9:15 a.m. Central.

Any interested person may listen to the live panel discussion during the
conference and view accompanying slides, or hear an archived version
afterwards, by logging on to Pioneer Southwest’s website
www.pioneersouthwest.com, selecting ‘Investors,’ and then selecting ‘Investor
Presentations.’

Pioneer Southwest is a Delaware limited partnership, headquartered in Dallas,
Texas, with current production and drilling operations in the Spraberry field
in West Texas. For more information, visit www.pioneersouthwest.com.

Contact:

Pioneer Southwest Energy Partners L.P.
Investors
Frank Hopkins, 972-969-4065
or
Eric Pregler, 972-969-5756
or
Media and Public Affairs
Susan Spratlen, 972-969-4018
or
Sam Hicks, 972-969-4020