Toro Trading selects Orc Software for options market making on Chicago Climate
Futures Exchange

New York, Monday, April 26, 2010 - Orc Software (SSE: ORC), the leading global
provider of solutions for advanced trading and connectivity, today announced
that New York-based options market maker Toro Trading has selected Orc's options
market making solution for connectivity to the Chicago Climate Futures Exchange
(CCFE) options platform. Toro Trading intends to become one of the first options
market makers connected to CCFE's options platform. The order was booked in Q1,
2010, and the contract is based on Orc's licensing subscription model.

“To expand our business, we wanted a solution that offered the market
connections we needed as well as the scalability to make markets on new
exchanges,” said Taylor Lukof, Partner at Toro Trading. “Orc Software provided
the solution for options market making as well as the market connectivity that
we needed.”

“Options market making solutions are a core part of our business, and the
addition of Toro Trading to our market making client base is a testament to the
power of our solutions,” said Steve Lukes, VP of Americas Sales at Orc Software.
“Combining our powerful options market making technology with our growing market
connectivity gives customers the solution they need to grow their business and
stay ahead of their competition.”

“We are delighted to have Toro Trading, a premier options market maker,
connected to CCFE's futures and options platforms and Orc Software as the first
ISV to offer connectivity to the options platform,” notes Satish Nandapurkar,
President and CEO of CCFE. “CCFE is growing with the support of firms like Toro
Trading and Orc Software.”

Orc Trading is used by leading financial firms worldwide for enhanced trading,
pricing and risk management on electronically traded derivatives. Orc Trading
provides the competitive edge to trade from a single platform, on any listed
instrument, across all asset classes, on 100+ markets.
Orc Trading comprises market leading applications including among others Orc
Trading for Algorithmic Trading, Orc Trading for Arbitrage, Orc Trading for
Market Making, Orc Trading for Risk Management and Orc Trading for Volatility

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 Toro Trading 
Toro Trading LLC is a dynamic derivatives market making firm specializing in
equity options, futures, and ETFs. Toro is a member of the Chicago Board Options
Exchange, the Philadelphia Stock Exchange, the NYSE Euronext and the Chicago
Climate Futures Exchange.

About Chicago Climate Futures Exchange
Chicago Climate Futures Exchange (CCFE) is owned by Climate Exchange plc, a
publicly traded company listed on the AIM division of the London Stock Exchange
(CLE.L). CCFE is a CFTC designated contract market which offers standardized and
cleared futures and options contracts on a broad range of environmental

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 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.

Neonet is an Orc Software company, offering professional market participants
neutral, high speed brokerage services and advanced trading software solutions.
Neonet's in-house developed platform offers connectivity to the world's leading
market places globally across the key regions of North America, Europe, Asia and
Australia. Neonet's cutting-edge technology solutions, Neonet XG, include an
integrated product suite. It features high speed market connections, a
comprehensive execution management system, market data services and advanced
trading tools. Neonet is listed on NASDAQ OMX Stockholm and has clients in over
20 countries globally.

For further information: 
Barry Vasudevan, Marketing Director, Orc Software, +1 212 351 7624,