BLOCK LISTING SIX MONTHLY RETURN

Name of applicant:

ARM Holdings plc

Name of scheme:

ARM Holdings plc Executive Share Option Scheme

Period of return:

From:

15 January 2013

To:

14 July 2013

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

7,073,926

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

Nil

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

32,105

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

7,041,821

Name of contact:

Ian Thornton/Jonathan Lawton

Telephone number of contact:

+44 1223 400796/400533

Name of applicant:

ARM Holdings plc

Name of scheme:

ARM Holdings plc Stock Option Plan

Period of return:

From:

15 January 2013

To:

14 July 2013

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

18,260,006

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

Nil

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

Nil

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

18,260,006

Name of contact:

Ian Thornton/Jonathan Lawton

Telephone number of contact:

+44 1223 400796/400533

Name of applicant:

ARM Holdings plc

Name of scheme:

ARM Holdings plc NQ US schemes

Period of return:

From:

15 January 2013

To:

14 July 2013

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

40,241,071

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

Nil

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

399,495

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

39,841,576

Name of contact:

Ian Thornton/Jonathan Lawton

Telephone number of contact:

+44 1223 400796/400533

Name of applicant:

ARM Holdings plc

Name of scheme:

ARM Holdings plc Savings Related Share Scheme

Period of return:

From:

15 January 2013

To:

14 July 2013

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

1,420,540

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

Nil

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

6,213

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

1,414,327

Name of contact:

Ian Thornton/Jonathan Lawton

Telephone number of contact:

+44 1223 400796/400533

Name of applicant:

ARM Holdings plc

Name of scheme:

ARM Holdings plc Unapproved Share Option Scheme

Period of return:

From:

15 January 2013

To:

14 July 2013

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

46,205,378

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

Nil

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

494,948

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

45,710,430

Name of contact:

Ian Thornton/Jonathan Lawton

Telephone number of contact:

+44 1223 400796/400533

Name of applicant:

ARM Holdings plc

Name of scheme:

ARM Holdings plc Savings Related Share Option Plan

Period of return:

From:

15 January 2013

To:

14 July 2013

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

216,721

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

Nil

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

Nil

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

216,721

Name of contact:

Ian Thornton/Jonathan Lawton

Telephone number of contact:

+44 1223 400796/400533

Name of applicant:

ARM Holdings plc

Name of scheme:

ARM Holdings plc Employee Equity Plan

Period of return:

From:

15 January 2013

To:

14 July 2013

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

15,821,600

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

Nil

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

7,690,885

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

8,130,715

Name of contact:

Ian Thornton/Jonathan Lawton

Telephone number of contact:

+44 1223 400796/400533

Name of applicant:

ARM Holdings plc

Name of scheme:

ARM Holdings plc Long Term Incentive Plan

Period of return:

From:

15 January 2013

To:

14 July 2013

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

9,375,295

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

Nil

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

4,772,473

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

4,602,822

Name of contact:

Ian Thornton/Jonathan Lawton

Telephone number of contact:

+44 1223 400796/400533

Name of applicant:

ARM Holdings plc

Name of scheme:

ARM Holdings plc Deferred Annual Bonus Plan

Period of return:

From:

15 January 2013

To:

14 July 2013

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

8,033,718

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

Nil

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

3,099,500

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

4,934,218

Name of contact:

Ian Thornton/Jonathan Lawton

Telephone number of contact:

+44 1223 400796/400533

Name of applicant:

ARM Holdings plc

Name of scheme:

ARM Holdings plc US Employee Stock Purchase Plan

Period of return:

From:

15 January 2013

To:

14 July 2013

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

1,628,810

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

Nil

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

366,062

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

1,262,748

Name of contact:

Ian Thornton/Jonathan Lawton

Telephone number of contact:

+44 1223 400796/400533