Blocklisting Interim Review

Informa PLC 06 June 2007 SCHEDULE 5 BLOCKLISTING SIX MONTHLY RETURN To: Listing Applications UK Listing Authority Financial Services Authority 25, The North Colonnade Canary Wharf London, E14 5HS Please ensure the entries on this return are typed 1. NAME OF COMPANY: INFORMA PLC 2. NAME OF SCHEME: LLP GROUP PLC EMPLOYEE SHARE OPTION SCHEME 3. PERIOD OF RETURN: FROM: 05/12/2006 TO: 04/06/2007 4. NUMBER AND CLASS OF SHARE(S) (AMOUNT OF STOCK/DEBT SECURITY) NOT ISSUED UNDER SCHEME 13,464 + 1,409 = 14,873 ordinary shares of AT END OF THE LAST PERIOD: 10 pence each 5. NUMBER OF SHARES ISSUED/ALLOTTED UNDER SCHEME DURING PERIOD: 14,873 6. BALANCE UNDER SCHEME NOT YET ISSUED/ALLOTTED AT END OF PERIOD: 0 7. NUMBER AND CLASS OF SHARE(S) (AMOUNT OF STOCK/DEBT SECURITIES) ORIGINALLY LISTED AND THE DATE OF 27,680 on 24/05/05 and 1,409 on 14/12/06 - ADMISSION: All ordinary shares of 10 pence each PLEASE CONFIRM TOTAL NUMBER OF SHARES IN ISSUE AT THE END OF THE PERIOD IN ORDER FOR US TO UPDATE OUR RECORDS. 424,492,638 as at 4 June 2007 CONTACT FOR QUERIES NAME: SONIA RICHMOND TELEPHONE: 020 7017 4314 This information is provided by RNS The company news service from the London Stock Exchange

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