Blocklisting Interim Review

Name of applicant:

Experian plc

Name of scheme:

The GUS plc 1998 Approved Executive Share Option Scheme

Period of return:

From:

15 September 2011

To:

14 March 2012

Balance of unallotted securities under scheme(s) from previous return:

749,286

Plus: The amount by which the block scheme has been increased since the date of the last return (if any increase has been applied for):

0

Less: Number of securities issued/allotted under scheme during period (see LR3.5.7G):

0

Equals: Balance under scheme not yet issued/allotted at end of period:

749,286

Name of applicant:

Experian plc

Name of scheme:

The GUS plc 1998 Non-Approved Executive Share Option Scheme

Period of return:

From:

15 September 2011

To:

14 March 2012

Balance of unallotted securities under scheme(s) from previous return:

11,549,176

Plus: The amount by which the block scheme has been increased since the date of the last return (if any increase has been applied for):

0

Less: Number of securities issued/allotted under scheme during period (see LR3.5.7G):

0

Equals: Balance under scheme not yet issued/allotted at end of period:

11,549,176

Name of applicant:

Experian plc

Name of scheme:

The GUS plc North America Executive Stock Option Plan 2000

Period of return:

From:

15 September 2011

To:

14 March 2012

Balance of unallotted securities under scheme(s) from previous return:

0

Plus: The amount by which the block scheme has been increased since the date of the last return (if any increase has been applied for):

0

Less: Number of securities issued/allotted under scheme during period (see LR3.5.7G):

0

Equals: Balance under scheme not yet issued/allotted at end of period:

0

Name of applicant:

Experian plc

Name of scheme:

The GUS plc Performance Share Plan

Period of return:

From:

15 September 2011

To:

14 March 2012

Balance of unallotted securities under scheme(s) from previous return:

1,686,250

Plus: The amount by which the block scheme has been increased since the date of the last return (if any increase has been applied for):

0

Less: Number of securities issued/allotted under scheme during period (see LR3.5.7G):

0

Equals: Balance under scheme not yet issued/allotted at end of period:

1,686,250

Name of applicant:

Experian plc

Name of scheme:

The GUS plc Savings Related Share Option Scheme

Period of return:

From:

15 September 2011

To:

14 March 2012

Balance of unallotted securities under scheme(s) from previous return:

619,221

Plus: The amount by which the block scheme has been increased since the date of the last return (if any increase has been applied for):

0

Less: Number of securities issued/allotted under scheme during period (see LR3.5.7G):

0

Equals: Balance under scheme not yet issued/allotted at end of period:

619,221

Name of applicant:

Experian plc

Name of scheme:

The GUS plc Savings Related Share Option Scheme (Ireland)

Period of return:

From:

15 September 2011

To:

14 March 2012

Balance of unallotted securities under scheme(s) from previous return:

7,082

Plus: The amount by which the block scheme has been increased since the date of the last return (if any increase has been applied for):

0

Less: Number of securities issued/allotted under scheme during period (see LR3.5.7G):

0

Equals: Balance under scheme not yet issued/allotted at end of period:

7,082

Name of applicant:

Experian plc

Name of scheme:

The GUS plc International Savings Related Share Option Scheme

Period of return:

From:

15 September 2011

To:

14 March 2012

Balance of unallotted securities under scheme(s) from previous return:

78,005

Plus: The amount by which the block scheme has been increased since the date of the last return (if any increase has been applied for):

0

Less: Number of securities issued/allotted under scheme during period (see LR3.5.7G):

0

Equals: Balance under scheme not yet issued/allotted at end of period:

78,005

Name of applicant:

Experian plc

Name of scheme:

The GUS plc North America Qualified Employee Stock Purchase Plan

Period of return:

From:

15 September 2011

To:

14 March 2012

Balance of unallotted securities under scheme(s) from previous return:

0

Plus: The amount by which the block scheme has been increased since the date of the last return (if any increase has been applied for):

0

Less: Number of securities issued/allotted under scheme during period (see LR3.5.7G):

0

Equals: Balance under scheme not yet issued/allotted at end of period:

0

Name of applicant:

Experian plc

Name of scheme:

The Experian Reinvestment Plan

Period of return:

From:

15 September 2011

To:

14 March 2012

Balance of unallotted securities under scheme(s) from previous return:

2,997,044

Plus: The amount by which the block scheme has been increased since the date of the last return (if any increase has been applied for):

0

Less: Number of securities issued/allotted under scheme during period (see LR3.5.7G):

0

Equals: Balance under scheme not yet issued/allotted at end of period:

2,997,044

Name of applicant:

Experian plc

Name of scheme:

The Experian Special Reinvestment Plan

Period of return:

From:

15 September 2011

To:

14 March 2012

Balance of unallotted securities under scheme(s) from previous return:

757,747

Plus: The amount by which the block scheme has been increased since the date of the last return (if any increase has been applied for):

0

Less: Number of securities issued/allotted under scheme during period (see LR3.5.7G):

0

Equals: Balance under scheme not yet issued/allotted at end of period:

757,747

Name of applicant:

Experian plc

Name of scheme:

The Experian Performance Share Plan

Period of return:

From:

15 September 2011

To:

14 March 2012

Balance of unallotted securities under scheme(s) from previous return:

3,997,495

Plus: The amount by which the block scheme has been increased since the date of the last return (if any increase has been applied for):

0

Less: Number of securities issued/allotted under scheme during period (see LR3.5.7G):

0

Equals: Balance under scheme not yet issued/allotted at end of period:

3,997,495

Name of applicant:

Experian plc

Name of scheme:

The Experian Share Option Plan

Period of return:

From:

15 September 2011

To:

14 March 2012

Balance of unallotted securities under scheme(s) from previous return:

4,730,000

Plus: The amount by which the block scheme has been increased since the date of the last return (if any increase has been applied for):

0

Less: Number of securities issued/allotted under scheme during period (see LR3.5.7G):

0

Equals: Balance under scheme not yet issued/allotted at end of period:

4,730,000

Name of applicant:

Experian plc

Name of scheme:

The Experian UK Approved All Employee Plan

Period of return:

From:

15 September 2011

To:

14 March 2012

Balance of unallotted securities under scheme(s) from previous return:

0

Plus: The amount by which the block scheme has been increased since the date of the last return (if any increase has been applied for):

0

Less: Number of securities issued/allotted under scheme during period (see LR3.5.7G):

0

Equals: Balance under scheme not yet issued/allotted at end of period:

0

Name of applicant:

Experian plc

Name of scheme:

The Experian Free Share Plan (UK Part)

Period of return:

From:

15 September 2011

To:

14 March 2012

Balance of unallotted securities under scheme(s) from previous return:

59,375

Plus: The amount by which the block scheme has been increased since the date of the last return (if any increase has been applied for):

0

Less: Number of securities issued/allotted under scheme during period (see LR3.5.7G):

0

Equals: Balance under scheme not yet issued/allotted at end of period:

59,375

Name of applicant:

Experian plc

Name of scheme:

The Experian North America Reinvestment Plan

Period of return:

From:

15 September 2011

To:

14 March 2012

Balance of unallotted securities under scheme(s) from previous return:

3,000,000

Plus: The amount by which the block scheme has been increased since the date of the last return (if any increase has been applied for):

0

Less: Number of securities issued/allotted under scheme during period (see LR3.5.7G):

0

Equals: Balance under scheme not yet issued/allotted at end of period:

3,000,000

Name of applicant:

Experian plc

Name of scheme:

The Experian Co-Investment Plan

Period of return:

From:

15 September 2011

To:

14 March 2012

Balance of unallotted securities under scheme(s) from previous return:

500,000

Plus: The amount by which the block scheme has been increased since the date of the last return (if any increase has been applied for):

0

Less: Number of securities issued/allotted under scheme during period (see LR3.5.7G):

0

Equals: Balance under scheme not yet issued/allotted at end of period:

500,000

Name of applicant:

Experian plc

Name of scheme:

The Experian UK Approved Sharesave Plan

Period of return:

From:

15 September 2011

To:

14 March 2012

Balance of unallotted securities under scheme(s) from previous return:

192,593

Plus: The amount by which the block scheme has been increased since the date of the last return (if any increase has been applied for):

150,000

Less: Number of securities issued/allotted under scheme during period (see LR3.5.7G):

223,691

Equals: Balance under scheme not yet issued/allotted at end of period:

118,902

Name of applicant:

Experian plc

Name of scheme:

The Experian International Sharesave Plan

Period of return:

From:

15 September 2011

To:

14 March 2012

Balance of unallotted securities under scheme(s) from previous return:

179,726

Plus: The amount by which the block scheme has been increased since the date of the last return (if any increase has been applied for):

50,000

Less: Number of securities issued/allotted under scheme during period (see LR3.5.7G):

63,725

Equals: Balance under scheme not yet issued/allotted at end of period:

166,001

Name of applicant:

Experian plc

Name of scheme:

The Experian Qualified Employee Share Purchase Plan

Period of return:

From:

15 September 2011

To:

14 March 2012

Balance of unallotted securities under scheme(s) from previous return:

262,825

Plus: The amount by which the block scheme has been increased since the date of the last return (if any increase has been applied for):

0

Less: Number of securities issued/allotted under scheme during period (see LR3.5.7G):

431

Equals: Balance under scheme not yet issued/allotted at end of period:

262,394

Name of applicant:

Experian plc

Name of scheme:

The Experian Free Share Plan (International Part)

Period of return:

From:

15 September 2011

To:

14 March 2012

Balance of unallotted securities under scheme(s) from previous return:

443,580

Plus: The amount by which the block scheme has been increased since the date of the last return (if any increase has been applied for):

0

Less: Number of securities issued/allotted under scheme during period (see LR3.5.7G):

0

Equals: Balance under scheme not yet issued/allotted at end of period:

443,580

Name of applicant:

Experian plc

Name of scheme:

The Experian Irish Approved Sharesave Plan

Period of return:

From:

15 September 2011

To:

14 March 2012

Balance of unallotted securities under scheme(s) from previous return:

40,000

Plus: The amount by which the block scheme has been increased since the date of the last return (if any increase has been applied for):

0

Less: Number of securities issued/allotted under scheme during period (see LR3.5.7G):

0

Equals: Balance under scheme not yet issued/allotted at end of period:

40,000

Name of contact:

Ronan Hanna, Deputy Company Secretary, Experian plc

Telephone number of contact:

+ 353 (0) 1 846 9128