Plano, Texas — August 8, 2003 — Perot Systems Corporation (NYSE: PER) today announced that it completed the acquisition of Vision Healthsource India Private Limited and Vision Healthsource, Inc. -- collectively known as “Vision” -- a leading provider of billing and claims solutions for healthcare service providers in the United States.

With this acquisition, Perot Systems establishes a healthcare processing capability in India as part of the company’s healthcare transformation strategy and global service delivery model.

"We are excited to join the Perot Systems family,” said Vision founder and CEO Anurag Jain. “With Perot Systems’ established leadership presence and Vision's offshore capability in healthcare, we can provide a cost-effective and complete end-to-end solution to our customers. For our employees, it provides an opportunity to be part of a global corporation and opens exciting new avenues for growth."

Vision’s approximately 500 employees will become a part of Perot Systems’ healthcare group, the company’s largest industry group.

“Our value to the healthcare industry includes driving administrative savings to help providers and payers fund quality, safety and consumer health initiatives,” said Chuck Lyles, Perot Systems vice president and Healthcare group leader. “With Vision’s cost effective processing capability, we have enhanced our ability to deliver on this value.”

Perot Systems agreed to acquire Chennai-based Vision in July 2003 for an aggregate value up to US$10 million – US$3 million in cash at closing and an additional US$7 million if certain performance targets are met through 2006. For the 12 months ending December 2002, Vision had revenues of approximately US$2.4 million.

About Vision Healthsource, Inc.

In 1997, recognizing the high monetary and human resource cost to businesses performing transaction services, Vision pioneered outsourced transaction processing for the U.S.-based healthcare industry. Today, Vision is a leading provider of billing, receivables and claims business process outsourcing solutions for healthcare service providers. Vision’s proven, low-cost, state-of-the-art outsourced processing capabilities in Chennai, India take full advantage of quality business processes and the highly skilled workforce and economic leverage in the region.

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 2002 revenue of $1.3 billion. The company has more than 10,000 associates located in North America, Europe, and Asia. Additional information on Perot Systems is available at www.perotsystems.com.

Perot Systems Healthcare is one of the largest providers of full-service IT operations in the hospital industry, managing significant relationships with four of the top 20 U.S. health systems. More than 4,000 employees from the Healthcare Industry Group serve both the for-profit and not-for-profit healthcare marketplace, providing integrated end-to-end technical and business solution services. Perot Systems healthcare clients represent more than 300 healthcare providers, thousands of caregivers, 200 health insurance organizations, as well as leading biopharmaceutical and healthcare supply chain companies.

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