..at PROS Trading and Storage Revenue Optimization Seminar


May 8, 2001*Houston* PROS Revenue Management, the world,s leader in revenue 
management science and software, and the pioneer and dominant provider of 
revenue management to the airline and energy industries, today announced that 
Don Sinclair will be the keynote speaker at the PROS Trading and Storage 
Revenue Optimization Seminar.  The focus of the seminar will be a discussion 
and demonstration  of the benefits of trading and storage revenue 
optimization in the energy industry.  The seminar will be hosted by PROS 
Revenue Management at their new  facility in midtown Houston, located at 3100 
Main Street and Elgin on Tuesday, May 22, from 1:00 - 3:30 pm.

Don Sinclair currently provides strategic consulting services to the energy 
industry.  He has been involved in the energy industry since deregulation 
began in the early 1980s.  He served as president of Duke Energy Trading and 
Marketing LLC, from April 1997 to September 1998.  Prior to joining Duke, 
Sinclair served as senior vice president of Tenneco Energy and president of 
Tenneco Energy Resources.  Mr. Sinclair was also one of the original 
principals of Dynegy, where he served eight years in various officer 
positions, including senior vice president and chief risk officer. At Dynegy 
he was in charge of all risk management activities and commercial operations.

&This seminar will outline a powerful new set of pricing and revenue 
optimization tools  for the energy industry ,8 says Matt Johnson, PROS, 
Senior VP of Energy.  &Our products have been at the vanguard of pricing and 
revenue optimization for over fifteen years, and at this seminar we will 
demonstrate how two of our newest energy products ) the PROS Trading 
Optimization System and the PROS Storage Revenue Management System ) are 
delivering unprecedented revenue lifts to the energy marketplace.8

PROS, Trading Optimization System enables customers to increase deal 
profitability by 10-25% across their entire gas business in real-time.  PROS 
Storage Revenue Management System has been shown to increase revenues from 
the sale of storage capacity by 7-25% after initial implementations.  Both 
PROS Trading Optimization System and PROS Storage Revenue Management System 
are built on the PROS Enterprise Platform,s world leading forecasting, 
pricing and optimization science, generating revenue and profits for PROS, 
clients worldwide.

To find out more information about the PROS Trading and Storage Revenue 
Optimization Seminar, please contact Tricia Stewart at 713-335-8056, or 
register at PROS, registration page on the Internet at 
www.prosrm.com/energy/seminar_registration.htm.

About PROS Revenue Management

PROS Revenue Management is the world,s leader in pricing and revenue 
optimization solutions and the pioneer and dominant provider of revenue 
management to the airline and energy industries. PROS provides system 
solutions to the airline, cargo, rail, energy, healthcare and broadcast 
industries, and has delivered over 200 systems to more than 80 clients in 37 
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, 
world-leading revenue management science, systems solutions, and best 
practices business consulting. PROS, clients report annual incremental 
revenue increases of 6-8% as a result of revenue management. PROS, solutions 
forecast demand, optimize inventory, and provide dynamic pricing to maximize 
revenue.

Founded in 1985 in Houston, PROS Revenue Management has a six-year compounded 
revenue growth of 40%, in large part due to the intellectual capital of its 
staff. Nearly half of PROS, professional staff has advanced degrees and the 
staff speaks a cumulative total of 26 languages. The company is profitable 
with Year 2000 revenue of $29 million. For more information on PROS Revenue 
Management, please visit www.prosRM.com or call 713-335-5253.

Contact:
Candy Haase ) VP Marketing
713-335-5253 / 713-335-8144 ) fax
chaase@prosRM.com