Kinmont

Recommended Cash Acquisition by Aether Ios Limited of Climate Exchange plc

30 April 2010

Summary

The Boards of IntercontinentalExchange, Inc. ("ICE") and Climate Exchange plc ("Climate Exchange") are pleased to announce that they have reached agreement on the terms of the unanimously recommended acquisition by Aether Ios Limited ("Bidco"), a wholly-owned subsidiary of ICE, of the entire issued and to be issued share capital of Climate Exchange (the "Acquisition").

Under the terms of the Acquisition, Climate Exchange Shareholders will receive 750 pence in cash for each Climate Exchange Share (the "Offer Price") held at the Scheme Record Time, valuing the entire existing issued and to be issued share capital of Climate Exchange at approximately £395 million.

The Acquisition represents a premium of approximately:

Commenting on the Acquisition, Jeffrey C. Sprecher, Chairman and CEO of ICE, said:

"The combination of Climate Exchange's emissions markets and ICE's futures and over-the-counter energy markets is an important and logical strategic combination for our customers and shareholders,and clearly an exciting opportunity for ICE to grow and further diversify our revenues. ICE has been a partner with Climate Exchange and Dr. Sandor since 2003, and we have worked together toward the development and expansion of the emissions markets. The leadership that Climate Exchange has shown in establishing market standards in Europe, and increasingly the U.S. and Asia, has driven its success, and we see continued growth opportunities within these nascent markets globally".

Commenting on the Acquisition, Dr. Richard Sandor, Chairman of Climate Exchange, said:

"The development of our company from initial concept to its leadership role in global environmental markets is a tribute to the vision and efforts of our entire team. We believe that a combination with ICE makes strategic sense and look forward to addressing continued opportunities together. ICE has committed to further developing the Climate Exchange businesses and building on our joint track record of innovation and success to the benefit of our customers across futures and over-the-counter markets in Europe, Asia and the U.S.".

The Acquisition and the Scheme will be subject to the conditions and further terms set out in the following announcement (including those in Appendix 1) and the terms and conditions set out in the Scheme Document when issued. Appendix 2 contains definitions of certain terms used in this summary and in the following announcement. Appendix 3 contains the sources of certain information and bases of certain calculations contained in this summary and in the following announcement. Appendix 4 contains details of the irrevocable undertakings over Climate Exchange Shares received by Bidco.

ICE
Kelly Loeffler, Vice President, Investor Relations & Corporate Communications: +1 770 857 4726
Sarah Stashak, Director, Investor & Public Relations: +1 770 857 0340

Morgan Stanley
Brian Healy: +1 212 761 4000

Christian Lown
Matthew Jarman: +44 20 7425 8000
Rosie Bailey

Climate Exchange
Helen Crooke: +44 20 7382 7800

J.P. Morgan Cazenove (Financial Adviser and Joint Broker)
Barry Weir: +44 20 7588 2828
Jeremy Capstick: +44 20 7742 4000

Kinmont (Financial Adviser)
John O'Malley: +44 20 7087 9100
Matt Stoate

Fox-Pitt Kelton Limited (NOMAD and Joint Broker)
Jonny Franklin-Adams: +44 20 3037 5231
Simon Law

Haggie Financial
Peter Rigby: +44 207 417 8989
Alex Parry