Blocklisting Interim Review

Experian Group Limited 14 September 2007 BLOCK LISTING SIX MONTHLY RETURN Information provided on this form must be typed or printed electronically and provided to an ris. Date: 14 September 2007 ------------------------------------------------------------------------------------ Name of applicant: Experian Group Limited ------------------------------------------------------------------------------------ Name of scheme: The GUS plc 1998 Approved Executive Share Option Scheme ------------------------------------------------------------------------------------ Period of return: From: 14 March 2007 To: 14 September 2007 ------------------------------------------------------------------------------------ Balance of unallotted securities under 870,000 scheme from initial block listing: ------------------------------------------------------------------------------------ Plus: The amount by which the block 0 scheme has been increased since the date of the last return (if any increase has been applied for): ------------------------------------------------------------------------------------ Less: Number of securities issued/ 89,419 allotted under scheme (see LR3.5.7G): ------------------------------------------------------------------------------------ Equals: Balance under scheme not yet 780,581 issued/allotted at end of period: ------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------ Name of applicant: Experian Group Limited ------------------------------------------------------------------------------------ Name of scheme: The GUS plc 1998 Non-Approved Executive Share Option Scheme ------------------------------------------------------------------------------------ Period of return: From: 14 March 2007 To: 14 September 2007 ------------------------------------------------------------------------------------ Balance of unallotted securities under 12,500,000 scheme from initial block listing: ------------------------------------------------------------------------------------ Plus: The amount by which the block 0 scheme has been increased since the date of the last return (if any increase has been applied for): ------------------------------------------------------------------------------------ Less: Number of securities issued/ 614,985 allotted under scheme (see LR3.5.7G): ------------------------------------------------------------------------------------ Equals: Balance under scheme not yet 11,885,015 issued/allotted at end of period: ------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------ Name of applicant: Experian Group Limited ------------------------------------------------------------------------------------ Name of scheme: The GUS plc North America Exective Stock Option Plan 2000 ------------------------------------------------------------------------------------ Period of return: From: 14 March 2007 To: 14 September 2007 ------------------------------------------------------------------------------------ Balance of unallotted securities under 41,659 scheme from initial block listing: ------------------------------------------------------------------------------------ Plus: The amount by which the block 0 scheme has been increased since the date of the last return (if any increase has been applied for): ------------------------------------------------------------------------------------ Less: Number of securities issued/ 41,659 allotted under scheme (see LR3.5.7G): ------------------------------------------------------------------------------------ Equals: Balance under scheme not yet 0 issued/allotted at end of period: ------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------ Name of applicant: Experian Group Limited ------------------------------------------------------------------------------------ Name of scheme: The GUS plc Performance Share Plan ------------------------------------------------------------------------------------ Period of return: From: 14 March 2007 To: 14 September 2007 ------------------------------------------------------------------------------------ Balance of unallotted securities under 2,000,000 scheme from initial block listing: ------------------------------------------------------------------------------------ Plus: The amount by which the block 0 scheme has been increased since the date of the last return (if any increase has been applied for): ------------------------------------------------------------------------------------ Less: Number of securities issued/ 0 allotted under scheme during period (see LR3.5.7G): ------------------------------------------------------------------------------------ Equals: Balance under scheme not yet 2,000,000 issued/allotted at end of period: ------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------ Name of applicant: Experian Group Limited ------------------------------------------------------------------------------------ Name of scheme: The GUS plc Savings Related Share Option Scheme ------------------------------------------------------------------------------------ Period of return: From: 14 March 2007 To: 14 September 2007 ------------------------------------------------------------------------------------ Balance of unallotted securities under 1,600,000 scheme from initial block listing: ------------------------------------------------------------------------------------ Plus: The amount by which the block 0 scheme has been increased since the date of the last return (if any increase has been applied for): ------------------------------------------------------------------------------------ Less: Number of securities issued/ 790,958 allotted under scheme (see LR3.5.7G): ------------------------------------------------------------------------------------ Equals: Balance under scheme not yet 809,042 issued/allotted at end of period: ------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------ Name of applicant: Experian Group Limited ------------------------------------------------------------------------------------ Name of scheme: The GUS plc Savings Related Share Option Scheme (Ireland) ------------------------------------------------------------------------------------ Period of return: From: 14 March 2007 To: 14 September 2007 ------------------------------------------------------------------------------------ Balance of unallotted securities under 19,638 scheme from initial block listing: ------------------------------------------------------------------------------------ Plus: The amount by which the block 0 scheme has been increased since the date of the last return (if any increase has been applied for): ------------------------------------------------------------------------------------ Less: Number of securities issued/ 3,331 allotted under scheme during period (see LR3.5.7G): ------------------------------------------------------------------------------------ Equals: Balance under scheme not yet 16,307 issued/allotted at end of period: ------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------ Name of applicant: Experian Group Limited ------------------------------------------------------------------------------------ Name of scheme: The GUS plc International Savings Related Share Option Scheme ------------------------------------------------------------------------------------ Period of return: From: 14 March 2007 To: 14 September 2007 ------------------------------------------------------------------------------------ Balance of unallotted securities under 106,172 scheme from initial block listing: ------------------------------------------------------------------------------------ Plus: The amount by which the block 0 scheme has been increased since the date of the last return (if any increase has been applied for): ------------------------------------------------------------------------------------ Less: Number of securities issued/ 22,590 allotted under scheme during period (see LR3.5.7G): ------------------------------------------------------------------------------------ Equals: Balance under scheme not yet 83,582 issued/allotted at end of period: ------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------ Name of applicant: Experian Group Limited ------------------------------------------------------------------------------------ Name of scheme: The GUS plc North America Qualified Employee Stock Purchase Plan ------------------------------------------------------------------------------------ Period of return: From: 14 March 2007 To: 14 September 2007 ------------------------------------------------------------------------------------ Balance of unallotted securities under 309,628 scheme from initial block listing: ------------------------------------------------------------------------------------ Plus: The amount by which the block 0 scheme has been increased since the date of the last return (if any increase has been applied for): ------------------------------------------------------------------------------------ Less: Number of securities issued/ 309,628 allotted under scheme (see LR3.5.7G): ------------------------------------------------------------------------------------ Equals: Balance under scheme not yet 0 issued/allotted at end of period: ------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------ Name of applicant: Experian Group Limited ------------------------------------------------------------------------------------ Name of scheme: The Experian Reinvestment Plan ------------------------------------------------------------------------------------ Period of return: From: 14 March 2007 To: 14 September 2007 ------------------------------------------------------------------------------------ Balance of unallotted securities under 2,997,044 scheme from initial block listing: ------------------------------------------------------------------------------------ Plus: The amount by which the block 0 scheme has been increased since the date of the last return (if any increase has been applied for): ------------------------------------------------------------------------------------ Less: Number of securities issued/ 0 allotted under scheme during period (see LR3.5.7G): ------------------------------------------------------------------------------------ Equals: Balance under scheme not yet 2,997,044 issued/allotted at end of period: ------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------ Name of applicant: Experian Group Limited ------------------------------------------------------------------------------------ Name of scheme: The Experian Special Reinvestment Plan ------------------------------------------------------------------------------------ Period of return: From: 14 March 2007 To: 14 September 2007 ------------------------------------------------------------------------------------ Balance of unallotted securities under 757,747 scheme from initial block listing: ------------------------------------------------------------------------------------ Plus: The amount by which the block 0 scheme has been increased since the date of the last return (if any increase has been applied for): ------------------------------------------------------------------------------------ Less: Number of securities issued/ 0 allotted under scheme during period (see LR3.5.7G): ------------------------------------------------------------------------------------ Equals: Balance under scheme not yet 757,747 issued/allotted at end of period: ------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------ Name of applicant: Experian Group Limited ------------------------------------------------------------------------------------ Name of scheme: The Experian Performance Share Plan ------------------------------------------------------------------------------------ Period of return: From: 14 March 2007 To: 14 September 2007 ------------------------------------------------------------------------------------ Balance of unallotted securities under 4,000,000 scheme from initial block listing: ------------------------------------------------------------------------------------ Plus: The amount by which the block 0 scheme has been increased since the date of the last return (if any increase has been applied for): ------------------------------------------------------------------------------------ Less: Number of securities issued/ 0 allotted under scheme during period (see LR3.5.7G): ------------------------------------------------------------------------------------ Equals: Balance under scheme not yet 4,000,000 issued/allotted at end of period: ------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------ Name of applicant: Experian Group Limited ------------------------------------------------------------------------------------ Name of scheme: The Experian Share Option Plan ------------------------------------------------------------------------------------ Period of return: From: 14 March 2007 To: 14 September 2007 ------------------------------------------------------------------------------------ Balance of unallotted securities under 1,730,000 scheme from initial block listing: ------------------------------------------------------------------------------------ Plus: The amount by which the block 0 scheme has been increased since the date of the last return (if any increase has been applied for): ------------------------------------------------------------------------------------ Less: Number of securities issued/ 0 allotted under scheme during period (see LR3.5.7G): ------------------------------------------------------------------------------------ Equals: Balance under scheme not yet 1,730,000 issued/allotted at end of period: ------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------ Name of applicant: Experian Group Limited ------------------------------------------------------------------------------------ Name of scheme: The Experian UK Approved All Employee Plan ------------------------------------------------------------------------------------ Period of return: From: 14 March 2007 To: 14 September 2007 ------------------------------------------------------------------------------------ Balance of unallotted securities under 929,877 scheme from initial block listing: ------------------------------------------------------------------------------------ Plus: The amount by which the block 0 scheme has been increased since the date of the last return (if any increase has been applied for): ------------------------------------------------------------------------------------ Less: Number of securities issued/ 929,877 allotted under scheme (see LR3.5.7G): ------------------------------------------------------------------------------------ Equals: Balance under scheme not yet 0 issued/allotted at end of period: ------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------ Name of applicant: Experian Group Limited ------------------------------------------------------------------------------------ Name of scheme: The Experian Free Share Plan (UK Part) ------------------------------------------------------------------------------------ Period of return: From: 14 March 2007 To: 14 September 2007 ------------------------------------------------------------------------------------ Balance of unallotted securities under 65,984 scheme from initial block listing: ------------------------------------------------------------------------------------ Plus: The amount by which the block 0 scheme has been increased since the date of the last return (if any increase has been applied for): ------------------------------------------------------------------------------------ Less: Number of securities issued/ 949 allotted under scheme during period (see LR3.5.7G): ------------------------------------------------------------------------------------ Equals: Balance under scheme not yet 65,035 issued/allotted at end of period: ------------------------------------------------------------------------------------ Name of contact: Ronan Hanna, Deputy Company Secretary Telephone number of contact: + 353 1 846 9128 This information is provided by RNS The company news service from the London Stock Exchange BLRQZLFFDKBEBBE

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