02 September 2009

Additional Listing

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 12,925 Ordinary Shares of £0.25 each.

These shares, ranking pari passu in all respects with the existing shares in issue, will be allotted to relevant persons in respect of deferred consideration for the acquisition of Genchem Holdings Limited (as announced on 10 August 2006).

It is expected that admission of the Ordinary shares will become effective on 7 September 2009.

2 September 2009

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