Tullett Prebon utilizes Orc Software for listed derivatives trading in Paris

Tullett Prebon utilizes Orc Software for listed derivatives trading in Paris

Paris, FRANCE, Tuesday March 17, 2009 - Orc Software (SSE: ORC), the leading
global provider of technology for advanced derivatives trading and connectivity
solutions, today announced that leading global Inter Dealer Broker (IDB) Tullett
Prebon has signed an agreement for using Orc Trading as the main derivatives
trading platform for their listed derivatives trading desk in Paris. The order
was booked in Q1, 2009.

“We selected Orc Trading because of its superior level of sophistication and
proven robustness,” says Olivier Pierre, Head of Continental Europe IT. “The Orc
solution will help Tullett Prebon to develop our service offering and provide
first-rate services to our clients based on a strong reliable trading platform.”

“Tullett Prebon is one of the big four IDBs, and we are honored to work with
them on the listed derivatives side of their business,” says Michel Balter,
Sales Director France, Orc Software. “With Orc as their main trading solution in
Paris, Tullett Prebon has a strong and flexible solution on which to grow their
business, and we look forward to supporting their operations and future
developments.” 

Orc Trading is used by leading financial firms worldwide for enhanced trading
and risk management of electronically traded derivatives. It encompasses both
screen-based trading and algorithmic trading for firms to trade any listed
instrument, across all asset classes, on 100+ markets. 

Orc Software is next exhibiting at the TradeTech Conference Europe in Paris,
April 21-24. For more information, please visit the events section on the Orc
Software website. 

About Orc Software's revenue model 
Standard agreements follow Orc's licensing subscription model, a flexible
approach designed to streamline the customer on boarding process and provide
ease of access to software updates, together with a mature support framework.
Customers are invoiced quarterly, in advance, and revenue allocated to the
invoicing period.

About Tullett Prebon
Tullett Prebon (www.tullettprebon.com) operates as an intermediary in wholesale
financial markets facilitating the trading activities of its clients, in
particular commercial and investment banks. The business now covers the
following major product groups: Volatility, Rates, Non Banking & Sterling Cash,
Treasury, Energy, Credit, Environmental and Equities. Tullett Prebon's
electronic broking division offers electronic solutions to these products. In
addition to its brokerage services, Tullett Prebon offers a variety of market
information services through its IDB Market Data division, Tullett Prebon
Information.
Tullett Prebon has its principal offices in London, New York, Hong Kong,
Singapore and Tokyo, with other offices, joint ventures and affiliates in
Bahrain, Bangkok, Calgary, Frankfurt, Jakarta, Kuala Lumpur, Luxembourg, Manila,
Mumbai, Paris, Salt Lake City, Seoul, Shanghai, Sydney, Toronto, Warsaw and
Zurich.

About Orc Software
Orc Software (SSE: ORC) is the leading global provider of powerful solutions for
the worldwide financial industry in the critical areas of advanced derivatives
trading and low latency connectivity. Orc's competitive edge lies in its depth
of knowledge of the derivatives trading world gained by deploying advanced
solutions for sophisticated traders for over 20 years.

Orc Trading and Orc Connect provide the tools for making the best trading and
connectivity decisions with strong analytics, unmatched market access, powerful
automated trading functionality, high performance futures and options trading
capabilities, ultra-low latency, and risk management.
Orc's customers include leading banks, trading and market-making firms,
exchanges, brokerage houses, institutional investors and hedge funds.

Orc provides sales and quality support services from its offices across EMEA,
Americas and Asia Pacific.

www.orcsoftware.com 

For further information:
Michel Balter, Sales Director for France, Tel. +33 1 73 02 89 95 
Christine Blinke, Investor Relations and Marketing Director, Tel. + 46 739 01 02
01