Holding(s) in Company

Informa PLC 20 June 2006 SCHEDULE 10 NOTIFICATION OF MAJOR INTERESTS IN SHARES 1) NAME OF COMPANY INFORMA PLC 2) NAME OF SHAREHOLDER HAVING A MAJOR INTEREST LEGAL AND GENERAL GROUP PLC AND/OR ITS SUBSIDIARIES 3) Please state whether notification indicates that it is in respect of holding of the Shareholder named in 2 above or in respect of a non-beneficial interest or in the case of an individual holder if it is a holding of that person's spouse or children under the age of 18 AS 2 ABOVE 4) Name of the registered holder(s) and, if more than one holder, the number of shares held by each of them. SEE BELOW 5) Number of shares/amount of stock acquired. N/A 6) Percentage of issued Class (any treasury shares held by the company should not be taken into account when calculating percentage) N/A 7) Number of shares/amount of stock disposed NOT KNOWN 8) Percentage of issued Class (any treasury shares held by the company should not be taken into account when calculating percentage) NOT KNOWN 9) Class of security ORDINARY SHARES OF 10 PENCE EACH 10) Date of transaction NOT KNOWN 11) Date company informed 20 JUNE 2006 12) Total holding following this notification 33,787,746 13) Total percentage holding of issued class following this notification (any treasury shares held by the company should not be taken into account when calculating percentage) 7.99% 14) Any additional information ISSUED SHARE CAPITAL = 422,358,517 15) Name of contact and telephone number for queries ANDREA CALLABY 020 7017 4311 16) Name and signature of authorised company official responsible for making this notification Date of Notification ...20 JUNE 2006......... The FSA does not give any express or implied warranty as to the accuracy of this document or material and does not accept any liability for error or omission. The FSA is not liable for any damages (including, without limitation, damages for loss of business or loss of profits) arising in contract, tort or otherwise from the use of or inability to use this document, or any material contained in it, or from any action or decision taken as a result of using this document or any such material. Letter to Informa Group Plc Dated: 20 June, 2006 Disclosure of Interest in shares Under Section 198 Please find below the details of the notifiable interest of Legal & General Group plc and/or its subsidiaries in the relevant share capital of your company: Material Interest HSBC Global Custody Nominee (UK) Ltd A/C 914945 149,316 HSBC Global Custody Nominee (UK) Ltd A/C 923363 248,557 HSBC Global Custody Nominee (UK) Ltd A/c 775237 333,965 HSBC Global Custody Nominee (UK) Ltd A/c 942199 1,875,000 HSBC Global Custody Nominee (UK) Ltd A/c 942229 1,790,644 HSBC Global Custody Nominee (UK) Ltd A/c 942217 1,803,497 HSBC Global Custody Nominee (UK) Ltd A/c 942205 1,621,259 HSBC Global Custody Nominee (UK) Ltd A/c 942175 1,771,414 HSBC Global Custody Nominee (UK) Ltd A/c 942187 1,821,293 HSBC Global Custody Nominee (UK) Ltd A/c 775245 1,217,181 HSBC Global Custody Nominee (UK) Ltd A/c 770286 640,000 HSBC Global Custody Nominee (UK) Ltd A/c 357206 10,430,875 HSBC Global Custody Nominee (UK) Ltd A/c 866203 839,322 HSBC Global Custody Nominee (UK) Ltd A/c 916681 21,700 HSBC Global Custody Nominee (UK) Ltd A/c 969995 985,849 HSBC Global Custody Nominee (UK) Ltd A/c 754612 1,253,464 HSBC Global Custody Nominee (UK) ltd A/c 361602 96,760 HSBC Global Custody Nominee (UK) Ltd A/c 282605 4,611,011 HSBC Global Custody Nominee (UK) Ltd A/c 360509 653,069 HSBC Global Custody Nominee (UK) Ltd A/c 766793 741,031 HSBC Global Custody Nominee (UK) Ltd A/c 824434 64,755 HSBC Global Custody Nominee (UK) Ltd A/c 924422 817,784 33,787,746 7.99% We currently have a notifiable interest in 33,787,746 Ordinary 10p shares which we understand represents 7.99% of that class of your share capital calculated on an issued share capital of 422,356,517 Ordinary 10p shares. Letter from Legal & General Investment Management This information is provided by RNS The company news service from the London Stock Exchange DOAB

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