Admission and Start of Unconditional Dealings

HORIZON

February 9, 2010

For Immediate Release

Horizon Acquisition Company plc ("Horizon")

(Ticker symbol: HZN)

NOT FOR RELEASE, PUBLICATION OR DISTRIBUTION, DIRECTLY OR INDIRECTLY, IN OR INTO THE UNITED STATES, CANADA, AUSTRALIA OR JAPAN.

Admission and Start of Unconditional Dealings

Following its successful placing of new ordinary shares, Horizon is pleased to announce that its ordinary shares (the "Ordinary Shares") have today been admitted to secondary listing on the Official List of the Financial Services Authority and to trading on the main market of the London Stock Exchange.

Unconditional dealings in the Ordinary Shares on the London Stock Exchange's main market have commenced at 8.00 am this morning, 9 February, 2010.

Enquiries:

Citigate Dewe Rogerson +44 (0)20 7638 9571

Anthony Carlisle

Credit Suisse +44 (0)20 7888 8888

George Maddison, Indranil Bhattacharyya, Will MacLaren

Numis +44 (0)20 7260 1000

Oliver Hemsley, Alex Ham

IMPORTANT NOTICE: This announcement does not contain or constitute an offer of, or the solicitation of an offer to buy or subscribe for, securities to any person in Australia, Japan, Canada, or the United States or in any jurisdiction to whom or in which such offer or solicitation is unlawful. The securities referred to herein may not be offered, sold, transferred or delivered, directly or indirectly, in or into the United States absent registration under the U.S. Securities Act of 1933, as amended (the "Securities Act") or another exemption from, or in a transaction not subject to, the registration requirements of the Securities Act. Subject to certain exceptions, the securities referred to herein may not be offered or sold in Australia, Canada or Japan or to, or for the account or benefit of, any national, resident or citizen of Australia, Canada or Japan. The offer and sale of the securities referred to herein has not been and will not be registered under the Securities Act, under the securities legislation of any state or territory or jurisdiction of the United States or under the applicable securities laws of Australia, Canada or Japan. There will be no public offer of the securities in the United States.