MaSSSoftech

PLANO, Texas, Sept. 10 /PRNewswire-FirstCall/ -- Perot Systems Corporation
(NYSE: PER) today announced that it will present at the Jefferies 3rd Annual
Technology Conference on Wednesday, September 16, 2009 at 11:45 am EDT.
Interested parties may access the webcast via the company's web site at
http://www.perotsystems.com/investors.

About Perot Systems
Perot Systems is a worldwide provider of information technology services and
business solutions. Through its flexible and collaborative approach, Perot
Systems integrates expertise from across the company to deliver custom
solutions that enable clients to accelerate growth, streamline operations and
create new levels of customer value. Headquartered in Plano, Texas, Perot
Systems reported 2008 revenue of $2.8 billion. The company has more than
23,000 associates located in the Americas, Europe, Middle East and Asia
Pacific. Additional information on Perot Systems is available at
http://www.perotsystems.com/.

This press release contains forward-looking statements that are subject to
known and unknown risks and uncertainties that could cause actual results to
differ materially from those expressed or implied by such statements. For
factors that could affect our business and cause actual results to differ
materially, please refer to our Annual Report on Form 10-K for the fiscal year
ended December 31, 2008, as filed with the U.S. Securities and Exchange
Commission and available at http://www.sec.gov/, as updated in our Quarterly
Reports on Form 10-Q filed after such Form 10-K, for additional information
regarding risk factors. We disclaim any intention or obligation to revise any
forward-looking statements whether as a result of new information, future
developments, or otherwise.

MEDIA CONTACT:
Joe McNamara
phone: (972) 577-6165
fax: (972) 577-4484
joe.mcnamara@ps.net

INVESTOR CONTACT:
John Lyon
phone: (972) 577-6132
fax: (972) 577-6791
john.lyon@ps.net