Holding(s) in Company

Diagonal PLC 7 October 2002 DEALINGS BY SUBSTANTIAL SHAREHOLDERS 1) NAME OF COMPANY DIAGONAL PLC 2) NAME OF SHAREHOLDER HAVING A MAJOR INTEREST LEGAL & GENERAL INVESTMENT MANAGEMENT 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 SEE 2 ABOVE 4) Name of the registered holder(s) and, if more than one holder, the number of shares held by each of them. HSBC GLOBAL CUSTODY NOMINEE (UK) LIMITED 5) Number of shares/amount of stock acquired. 250,000 6) ( 0.28 %) of issued Class 7) Number of shares/amount of stock disposed 8) ( %) of issued Class 9) Class of security ORDINARY SHARES OF 10P EACH 10) Date of transaction 13 SEPTEMBER 2002 11) Date company informed 16 SEPTEMBER 2002 12) Total holding following this notification 2,855,340 13) Total percentage holding of issued class following this notification 3.19% 14) Any additional information N/A 15) Name of contact and telephone number for queries IAN FARRELLY 01252 733 711 16) Name and signature of authorised company official responsible for making this notification Date of Notification ...7 OCTOBER 2002 This information is provided by RNS The company news service from the London Stock Exchange

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