PROS Announces Success of 12th Annual Conference.

HOUSTON -- PROS, the world's leader in pricing and revenue optimization science and software, today announced record-setting attendance for its 12th Annual Revenue Management Conference and Pricing Excellence Summit held on March 5-8, 2006, in Houston, Texas. The event attendance totaled over 470, making it PROS' largest and most successful forum for real-world practitioners to present and discuss the most important revenue management and pricing issues of today.

The event comprised two tracks: a Revenue Management Conference and a Pricing Excellence Summit. Each track was aimed at keeping executives, managers and users informed about the latest trends in pricing and revenue management solutions. Executives and leading industry analysts provided keen insight into the important role that Pricing and Revenue Management plays in today's business environment. Topics included:

--Dynamic Pricing via GDS Distribution Channels

--Managing the Unfenced Environment with the PROS Airline Suite

--Mitigating Risk when Implementing O&D

--PNR No-Show Forecasting

--Integrated Revenue Management for Cargo

--Aligning Revenue Management and CRM Philosophy to Better Manage Revenues

--Generating Corporate Value by Effective Use of Revenue Management

--Hybrid Revenue Management in a Competitive Environment

"PROS is thrilled with the success of the 12th Annual Revenue Management Conference and Pricing Excellence Summit," said Bert Winemiller, PROS Chief Executive Officer and Chairman of the Board. "We credit the success of this year's event to the caliber of speakers and attendees who participated in the various sessions and workshops this world-class conference had to offer."

Some of the companies represented include: AddVal Technology, Aer Lingus, Aeromexico, Air Canada Cargo, Air China, Air India, Air Jamaica, Air New Zealand, All Nippon Airways, Amadeus, American Airlines, ANA, Asiana Airlines, Austrian Airlines, Avianca, British Airways World Cargo, Cathay Pacific Airways, CCNI, China Airlines, China Eastern Airlines, Columbia University, Continental Airlines, DHL Express, Deutsche Bahn, Emirates Airlines, Embry- Riddle Aeronautical University, EVA Airways Corporation, Finnair, Frontier Airlines, Gakushuin University, Iberia, KLM, Korean Air, LAN, Lufthansa, MASkargo, Mexicana Airlines, MIT, NOK Air, Norwegian, Philippine Airlines, Qatar Airways, Scandinavian Airlines, Shanghai Airlines, Southwest Airlines, SriLankan Airlines, SWISS International Air Lines, TAP Portugal, Thai Airways International, United Airlines, Universal Orlando, University of Houston, US Airways, VARIG, Virgin America, and Virgin Atlantic Airways.

About PROS

The PROS conference is an event focused on helping executives of Fortune 1000 companies increase profit by learning about best practices for pricing and revenue management.

PROS is the world's leader in pricing and revenue optimization solutions and the pioneer and dominant provider of revenue optimization to the travel and transportation industry. PROS is the world's leader in pricing and revenue optimization solutions with over 250 deployed solutions across 12 major industries, optimizing millions of pricing decisions every day. PROS has more than 110 clients in 39 countries. PROS' clients include 17 of the top 25 carriers in the airline industry.

The PROS mission is to maximize the revenue of each client using PROS' industry-leading revenue optimization science, enterprise profit optimization, and pricing optimization solutions. PROS' clients report annual incremental revenue increases of 6-8% as a result of demand forecasting and revenue optimization. PROS' solutions forecast demand, optimize inventory, and provide dynamic pricing optimization to maximize revenue.

Founded in 1985 in Houston, Texas, PROS has 28 straight quarters of profitability, in large part due to the intellectual capital of its staff. Over 100 of PROS professional staff have advanced degrees including 22 Ph.D.s., and the staff speaks a cumulative total of 26 languages.

To learn more about pricing and revenue management, please visit our website: www.prosrm.com.