Houston, Texas – August 20, 2007 – Outrigger Enterprises Group today announced it has selected the PROS Hotel Revenue Optimization System developed by PROS, a leader in pricing and revenue optimization software, for its advanced forecasting and optimization to help increase profits.

“After careful review of the revenue optimization solutions available in the marketplace, Outrigger chose PROS for its advanced forecasting and optimization capabilities," said Elizabeth Cambra, Corporate Director of Revenue Optimization for Outrigger Enterprises Group. "PROS Hotel Revenue Optimization solution provides us with unique market level revenue management insight allowing us to better manage our entire portfolio of properties. In addition, PROS' capability to forecast at the room type level will generate incremental revenue over other solutions available in the marketplace.”

John Riddell, PROS Senior Vice President, Pricing Solutions, said, “We are excited to partner with a prestigious hotel company like Outrigger Enterprises, with their long tradition of leadership in hospitality in Hawaii and the Pacific Rim.  Outrigger is clearly committed to pricing and revenue optimization excellence and we are proud they have selected the PROS Hotel Revenue Optimization System to help them achieve this goal.” 

About PROS
PROS Holdings, Inc. (NYSE: PRO) is a leading provider of pricing and revenue optimization software products, specializing in price analytics, price execution and price optimization. By using PROS' software products, companies gain insight into their pricing strategies, identify pricing-based profit leaks, optimize their pricing decision making and improve their business processes and financial performance. PROS' software products implement advanced pricing science, which includes operations research, forecasting and statistics. PROS’ high performance software architecture supports real-time high volume transaction processing and allows PROS to handle the processing and database requirements of the most sophisticated and largest customers, including customers with 100s of simultaneous users and sub-second electronic transactions. PROS also provides a range of services that include analyzing a company's current pricing processes and implementing software products to improve pricing performance. PROS has implemented over 200 solutions across a range of industries in more than 40 countries.

Founded in 1985, PROS is headquartered in Houston, Texas. Today, PROS has over 300 employees, more than 100 with advanced degrees and 20 with Ph.D.s. To learn more about PROS, please visit www.prospricing.com.

About Outrigger Enterprises Group
Outrigger Enterprises Group is one of the largest and fastest-growing hospitality services companies in the Pacific. A family-owned company with more than 60 years of hospitality experience, Outrigger operates a highly-successful, multi-branded line of hotels, condominiums and vacation resort properties, including Outrigger Hotels & Resorts, OHANA Hotels & Resorts, Outrigger Condominium Collection and Embassy Suites-Waikiki Beach Walk.* Outrigger Hospitality can been found in properties owned and operated throughout the Pacific, including Hawaii, Fiji, Tahiti, Guam, Australia and soon Bali and Palau. Outrigger Enterprises also operates and develops hotel properties and hospitality-related retail and real estate destinations for partners in Hawaii, the Pacific, mainland USA, Australia and Asia. More information is online at www.outrigger.com or www.outriggerenterprisesgroup.com.

*Embassy Suites is a registered trade mark of Hilton Hotels Corporation.

Forward-looking Statements
This press release contains forward-looking statements, including statements about the functionality of the PROS products and their ability to manage and forecast across an enterprise. The forward-looking statement contained in this press release are based upon PROS historical performance and its current plans, estimates and expectations and are not a representation that such plans, estimates or expectations will be achieved. Factors that could cause actual results to differ materially from those described herein include PROS ability to develop new products and product enhancements with the required functionality desired and PROS ability to implement and support successfully its products to the expectations of its customers.  Additional information relating to the uncertainty affecting the PROS business are contained in PROS filings with the Securities and Exchange Commission. These forward-looking statements represent PROS expectations as of the date of this press release. Subsequent events may cause these expectations to change, and PROS disclaims any obligations to update or alter these forward-looking statements in the future, whether as a result of new information, future events or otherwise.

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Media Contacts:
PROS
Corporate Communications
(713) 335-5197
CorpComm@prospricing.com

Outrigger Enterprises Group
Nancy Daniels, APR
Public Relations Manager
(808) 921-6839
nancy.daniels@outrigger.com