Annual Information Update

Clarkson PLC
12 June 2007


                                  CLARKSON PLC

12 June 2007

Annual Information Update for the 12 month period to 31 May 2007.

In accordance with Prospectus Rule 5.2, Clarkson PLC sets out below a summary of
the information which has been published or made available to the public during
the defined period. The information referred to in this Update was up to date at
the time the information was published, but some information may now be out of
date.

Regulatory announcements may be viewed at the Company's website at
www.clarksons.co.uk and at the London Stock Exchange's website at
www.londonstockexchange.com/en-gb/pricesnews/marketnews/ under code CKN.

Copies of the documents filed at Companies House may be obtained from:

Companies House
Crown Way,
Cardiff
CF14 3UZ
Website: www.direct.companieshouse.gov.uk


                           ANNUAL INFORMATION UPDATE

27.04.06   RNS London Stock Exchange          www.clarksons.com
           Announcement - Director/PDMR
           Shareholding
15.05.06   RNS London Stock Exchange          www.clarksons.com
           Announcement - Annual Information
           Update
19.05.06   RNS London Stock Exchange          www.clarksons.com
           Announcement - Application for
           Listing
23.05.06   RNS London Stock Exchange          www.clarksons.com
           Announcement - Acquisition of Sale
           and Purchase Team
23.05.06   Filing of Form 88(2) - Return of   www.direct.companieshouse.gov.uk
           Allotment of Shares
24.05.06   RNS London Stock Exchange          www.clarksons.com
           Announcement - AGM Statement
24.05.06   RNS London Stock Exchange          www.clarksons.com
           Announcement - Directorate
           Change
07.06.06   Filing of Resolutions passed at    www.direct.companieshouse.gov.uk
           AGM held on 24 May 2006
16.06.06   RNS London Stock Exchange          www.clarksons.com
           Announcement - Clarksons and
           Genchem
16.06.06   Filing of Annual Return            www.direct.companieshouse.gov.uk
18.07.06   Filing of Amended Form 88(2) -     www.direct.companieshouse.gov.uk
           Return of Allotment of Shares
27.07.06   RNS London Stock Exchange          www.clarksons.com
           Announcement - Holdings in
           Company
04.08.06   Filing of Form 88(2) - Return of   www.direct.companieshouse.gov.uk
           Allotment of Shares
10.08.06   RNS London Stock Exchange          www.clarksons.com
           Announcement - Acquisition of
           Genchem Holdings Limited
18.08.06   RNS London Stock Exchange          www.clarksons.com
           Announcement - Holdings in
           Company
29.08.06   RNS London Stock Exchange          www.clarksons.com
           Announcement - Global Slot
           Network
30.08.06   RNS London Stock Exchange          www.clarksons.com
           Announcement - Interim results for
           the six months ended 30 June
           2006
05.09.06   RNS London Stock Exchange          www.clarksons.com
           Announcement - Acquisition of
           Anchor Cross
10.10.06   RNS London Stock Exchange          www.clarksons.com
           Announcement - Board Appointment
07.11.07   Filing of Form 288a - Appointment  www.direct.companieshouse.gov.uk
           of Director
01.12.06   RNS London Stock Exchange          www.clarksons.com
           Announcement - Holdings in
           Company
13.12.06   RNS London Stock Exchange          www.clarksons.com
           Announcement - Voting Rights and
           Capital
21.12.06   RNS London Stock Exchange          www.clarksons.com
           Announcement - Holdings in
           Company
08.01.07   Electronic filing of termination   www.direct.companieshouse.gov.uk
           of appointment of Robert Ward as a
           director
22.01.07   RNS London Stock Exchange          www.clarksons.com
           Announcement - Holdings in
           Company
22.02.07   RNS London Stock Exchange          www.clarksons.com
           Announcement - Notice of
           Preliminary Results
27.02.07   RNS London Stock Exchange          www.clarksons.com
           Announcement - Clarksons announce
           Egyptian Joint Venture
26.03.07   RNS London Stock Exchange          www.clarksons.com
           Announcement - Preliminary Results
           for the 12 months ended 31
           December 2006
20.04.07   RNS London Stock Exchange          www.clarksons.com
           Announcement - Holdings in
           Company
20.04.07   RNS London Stock Exchange          www.clarksons.com
           Announcement - Announcement in
           relation to High Court litigation
           and resignation of Martin Watson
23.04.07   Electronic filing of termination   www.direct.companieshouse.gov.uk
           of appointment of Martin Watson as
           a director
02.05.07   RNS London Stock Exchange          www.clarksons.com
           Announcement - Clarksons
           strengthens senior team with new
           head of Dry Cargo
09.05.07   RNS London Stock Exchange          www.clarksons.com
           Announcement - Holdings in
           Company
17.05.07   RNS London Stock Exchange          www.clarksons.com
           Announcement - Acquisition of
           Cofimar SAS
22.05.07   Form 88(2) - Return of Allotment   www.direct.companieshouse.gov.uk
           of Shares
23.05.07   RNS London Stock Exchange          www.clarksons.com
           Announcement - AGM Trading
           Update
31.05.07   Filing of Resolutions passed at    www.direct.companieshouse.gov.uk
           AGM held 24 May 2007
31.05.07   Filing of amended Articles of      www.direct.companieshouse.gov.uk
           Association adopted at AGM held 24
           May 2007
31.05.07   Filing of Annual Report and        www.direct.companieshouse.gov.uk
           Accounts for year ended 31
           December 2006
31.05.07   Filing of Form 123 - Results of    www.direct.companieshouse.gov.uk
           Annual General Meeting
31.05.07   RNS London Stock Exchange          www.clarksons.com
           Announcement - Voting Rights and
           Capital
31.05.07   RNS London Stock Exchange          www.clarksons.com
           Announcement - Annual Information
           Update

INFORMATION SENT TO SHAREHOLDERS

Information on Clarkson PLC can be found on the website www.clarksons.co.uk the
text of which is updated on a regular basis, however it should be noted that
some information on the website may be out-of-date at the time of this
announcement.

     30.08.2006   Interim Report 2006
     15.04.2007   Annual Report and Financial Statements 2006
     15.04.2007   Notice of AGM and Form of Proxy

These reports can be viewed at www.clarksons.co.uk/FinancialReports/

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




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            The company news service from the London Stock Exchange