Rule 2.10

Informa PLC
19 October 2006



19 October 2006

                                  Informa plc

             Disclosure in accordance with Rule 2.10 of the City Code


In accordance with Rule 2.10 of the City Code on Takeovers and Mergers, Informa
confirms that, as at the close of business on 18th October 2006, it has
422,880,910 ordinary shares of 10 pence each in issue.

The International Securities Identification Number (ISIN) for these securities
is GB0002625654

                                      ENDS

Enquiries:

Financial Dynamics                                     0207 831 3113
Tim Spratt
Charlie Palmer



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