EXHIBIT 99.11 SCHEDULE 10 NOTIFICATION OF MAJOR INTERESTS IN SHARES 1) Name of company SMARTLOGIK GROUP PLC 2) Name of shareholder having a major interest THE SHELL PETROLEUM COMPANY LIMITED 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 INTEREST OF PARENT COMPANY ABOVE IN 2 THROUGH HOLDINGS IN ITS WHOLLY OWNED SUBSIDIARIES, SHELL PENSIONS TRUST LIMITED AND SHELL TRUST (BERMUDA) LIMITED, BEING TRUSTEES OF SHELL CONTRIBUTORY PENSION FUND AND SHELL OVERSEAS CONTRIBUTORY PENSION FUND RESPECTIVELY. 4) Name of the registered holder(s) and, if more than one holder, the number of shares held by each of them NOT DISCLOSED 5) Number of shares/amount of stock acquired NOT DISCLOSED 6) Percentage of issued class NOT DISCLOSED 7) Number of shares/amount of stock disposed N/A 8) Percentage of issued class N/A 9) Class of security ORDINARY SHARES OF ONE PENCE 10) Date of transaction NOT DISCLOSED 11) Date company informed 12 JULY 2001 12) Total holding following this notification 25,013,354 ORDINARY SHARES OF ONE PENCE IN THE FOLLOWING ACCOUNTS: HSBC SPMS NOMINEE (UK) LIMITED - A/C SPT - 17,358,727 HSBC SPMS NOMINEE (UK) LIMITED - A/C STB - 7,654,627 13) Total percentage holding of issued class following this notification 5.35% 14) Any additional information 15) Name of contact and telephone number for queries CAROLINE WEBB - 020 7925 7676 16) Name and signature of authorised company official responsible for making this notification CAROLINE WEBB Date of notification 16 JULY 2001