PROS Revenue Management to Host
Trading and Storage Revenue Optimization Seminar


April 26, 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 it will host the PROS Trading and Storage Revenue Optimization 
Seminar, which will discuss and demonstrate the benefits of trading and 
storage revenue optimization in the energy industry.  The seminar will be 
held at PROS Revenue Management,s new facility in midtown Houston, located at 
3100 Main Street and Elgin, on Tuesday, May 22, from 1:00 - 3:30 pm.

"PROS, Trading Optimization System enables our customers to increase deal 
profitability by 10-25%," says Matt Johnson, Senior VP of Energy. "The 
benefits in terms of increased profitability, reduced transaction costs and 
trader productivity deliver a significant competitive advantage in today's 
gas trading business environment."

PROS Storage Revenue Management System increases revenues from the sale of 
storage capacity by 7-25%.  This system provides storage marketers and 
traders the ability to maximize revenue from the use of their storage assets 
and sale of storage services.

"The PROS Storage Revenue Management System provides the comprehensive 
ability to both analyze the value of storage using PROS state-of-the-art 
revenue management science and to execute and track those deals in 
real-time," says Johnson.  "This powerful combination of science and 
technology helps our customers drive their storage revenues to previously 
unattainable levels."

Both PROS Trading Optimization System and PROS Storage Revenue Management 
System are built on the PROS Enterprise RM Platform,s world leading science, 
forecasting and optimization, generating revenue and profits for PROS, 
clients worldwide.

Pricing and revenue optimization have arrived in the energy sector.  "PROS, 
revenue management products have allowed Williams to succeed in a new arena, 
resulting in the most advanced capacity scheduling capability of any company 
in our industry.  Our business is realizing immediate benefits," claims Mike 
Fiser, V.P. Williams Energy Marketing & Trading.


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 180 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

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