Houston, Texas – November 1, 2007 – Emerald Performance Materials today announced it has selected the Pricing Analytics System developed by PROS, a world leader in pricing and revenue optimization science and software for manufacturing, distribution, services, hotel/cruise, and airlines.

Tom Holleran, Emerald CEO said, “Emerald produces a broad range of products sold through multiple divisions into diverse markets and applications to thousands of customers around the world. Optimization of pricing practices across the company is critically important to ensuring we receive fair value for our products and services in every transaction. We are partnering with PROS because they are a proven leader in pricing science and a significant source of pricing best practices and software tools.”   

PROS Pricing Analytics Software stops price-based profit leaks by finding the negative pocket margin customers and products.  PROS provides dynamic visibility into pricing performance; making it possible to understand the relationship between price, volume, and profit and ultimately identify margin improvement opportunities.  These tools have identified millions of dollars in improved operating profit opportunities for PROS customers. 

Jeff Robinson, PROS Senior Vice President, Pricing said, “We are pleased to be a partner in achieving Pricing Excellence with Emerald Performance Materials.  We look forward to executing on this strategic pricing initiative and helping Emerald to achieve their revenue improvement goals.” 

About Emerald Performance Materials
Emerald Performance Materials, LLC is a leading manufacturer of chemical additives and polymers used in diverse consumer and industrial products around the world. Our products play a variety of roles in the products that you consume and use every day enabling them last longer, look, smell, taste or work better. Emerald products are used in airplanes, food, beverages, cosmetics, toothpaste, household products, paint, tires, automobiles, sports gear and many other applications.  The privately-held company, headquartered in Cuyahoga Falls, OH, has six operations and over 600 employees. 

To learn more about Emerald, please visit www.emeraldmaterials.com

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.

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