Additional Listing

Clarkson PLC 26 March 2008 CLARKSON PLC ('Clarksons') Application has been made to the UK Listing Authority and to the London Stock Exchange for admission to the Official List for a listing of 85,772 Ordinary Shares of £0.25 each. These shares, rank pari passu in all respects with the existing shares in issue, and will be allotted to relevant persons in respect of deferred consideration for the acquisition of the Ferrobulk group of companies pursuant to an Agreement dated 18 March 2005. It is expected that admission of the Ordinary shares will become effective on 31 March 2008. 26 March 2008 Enquiries: Mr Jeff Woyda Telephone: 020 7334 0000 Finance Director Notes to editors Background to Clarkson PLC Clarkson PLC (which is listed on the London Stock Exchange) is acknowledged as the world's leading shipping services group. Through its unrivalled and extensive global network of offices it is able to give its clients unique access to a wide range of shipping services. Clarksons covers shipbroking, research, publications, derivatives and logistics. Clarksons' strategy is to expand and develop the group around these key activities. For further information on Clarkson PLC, please visit the company's website at www.clarksons.com This information is provided by RNS The company news service from the London Stock Exchange ITMMATBPP

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Clarkson (CKN)
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