Total Voting Rights

Clarkson PLC 31 May 2007 CLARKSON PLC VOTING RIGHTS AND CAPITAL In conformity with the Transparency Directive's transitional provision 6 we would like to notify the market of the following: The capital of Clarkson PLC consists of 18,309,727 ordinary shares of 25p each with voting rights. No ordinary shares are held in Treasury. The above figure 18,309,727 may be used by shareholders as the denominator for the calculations by which they will determine if they are required to notify their interest in, or a change to their interest in, Clarkson PLC under the FSA's Disclosure and Transparency Rules. For further details contact: Mr Stephen Deasey - Company Secretary Tel: +44 (0) 20 7334 3171 31 May 2007 END 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

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Clarkson (CKN)
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