Houston, Texas – July 2, 2003 — PROS Revenue Management, a world leader in pricing and revenue optimization science
and software, and the pioneer and dominant provider of revenue optimization to the airline and energy industries,
announced positive results for the second quarter and first half of 2003, despite world events and a slow economy.
PROS extended its record of profitability and positive cash flow to 18 straight quarters The first half of 2003 maintains
PROS strong balance sheet with a strong cash position and no bank debt.

"We are thrilled with our performance because it represents the continuing confidence of our customers and our leadership in revenue management," says Bert Winemiller, Chairman and CEO of PROS Revenue Management. "The second quarter of this year showed outstanding results with our products and customer satisfaction. The positive cash flow will enable PROS to maintain our commitment to deliver new products and provide high value solutions to our customers."

In the first half of 2003, PROS financial performance included 18 straight quarters of profitability, strong travel and transportation revenues, and new contracts in new segments of the industry.
As a result, PROS is a better, more focused organization entering the last half of 2003.

Major milestones of 2003 include:

• Major airline customer activity included Swiss International, Singapore Airlines, All Nippon Airways, Asiana, British Airways World Cargo, and South African Airways
• PROS closed eleven airline contracts during the first six months including P5, Group, NAS and upgrades to P5
• Full feature completion and production cutover of the PROS O&D Revenue Optimization System for the airline industry. This state-of-the-art PNR-based market-driven solution is the new standard for RM systems in the industry
• New product releases were issued, including PROS Network Analysis System 3.0, PROS Revenue Management System 5.2, and PROS O&D Network Optimization. PROS has a comprehensive product release schedule for the remainder of 2003
• PROS announced its new Low Fare Pricing Optimization Suite of products which allows airlines to more effectively compete in a changing low fare environment without revenue dilution
• PROS Professional Client Services Team has been strengthened and the PROS Science and Research Team has been expanded
• PROS state-of-the-art architecture platform for forecasting, optimization, and pricing continues to be enhanced enabling PROS to quickly deliver new products in new industries with proven success

PROS 10th Annual Pricing and Revenue Optimization Conference is scheduled for February 29 - March 3, 2004. Historically, the largest airline revenue management conference in the world attracts industry leaders, analysts, and representatives from the travel and transportation industry. PROS looks forward to the newly rescheduled event with anticipation.

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PROS Corporate Communications

email: info@prospricing

phone: 713.335.5151 / fax: 713.335.8144