Blocklisting 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 2011

To:

14 July 2011

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

7,373,450

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):

116,572

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

7,256,878

Name of contact:

Ian Thornton

Telephone number of contact:

+44 1223 400796

Name of applicant:

ARM Holdings plc

Name of scheme:

ARM Holdings plc Stock Option Plan

Period of return:

From:

15 January 2011

To:

14 July 2011

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

18,390,779

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):

5,000

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

18,385,779

Name of contact:

Ian Thornton

Telephone number of contact:

+44 1223 400796

Name of applicant:

ARM Holdings plc

Name of scheme:

ARM Holdings plc NQ US schemes

Period of return:

From:

15 January 2011

To:

14 July 2011

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

43,925,316

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):

746,626

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

43,178,690

Name of contact:

Ian Thornton

Telephone number of contact:

+44 1223 400796

Name of applicant:

ARM Holdings plc

Name of scheme:

ARM Holdings plc Savings Related Share Scheme

Period of return:

From:

15 January 2011

To:

14 July 2011

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

232,202

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):

3,000,000

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

10,456

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

3,221,746

Name of contact:

Ian Thornton

Telephone number of contact:

+44 1223 400796

Name of applicant:

ARM Holdings plc

Name of scheme:

ARM Holdings plc Unapproved Share Option Scheme

Period of return:

From:

15 January 2011

To:

14 July 2011

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

47,751,251

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):

560,353

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

47,190,898

Name of contact:

Ian Thornton

Telephone number of contact:

+44 1223 400796

Name of applicant:

ARM Holdings plc

Name of scheme:

ARM Holdings plc Savings Related Share Option Plan

Period of return:

From:

15 January 2011

To:

14 July 2011

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

Telephone number of contact:

+44 1223 400796

Name of applicant:

ARM Holdings plc

Name of scheme:

ARM Holdings plc Employee Equity Plan

Period of return:

From:

15 January 2011

To:

14 July 2011

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

Nil

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):

17,000,000

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

560,020

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

16,439,980

Name of contact:

Ian Thornton

Telephone number of contact:

+44 1223 400796

Name of applicant:

ARM Holdings plc

Name of scheme:

ARM Holdings plc Long Term Incentive Plan

Period of return:

From:

15 January 2011

To:

14 July 2011

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

Nil

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):

20,000,000

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:

20,000,000

Name of contact:

Ian Thornton

Telephone number of contact:

+44 1223 400796

Name of applicant:

ARM Holdings plc

Name of scheme:

ARM Holdings plc Deferred Annual Bonus Plan

Period of return:

From:

15 January 2011

To:

14 July 2011

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

Nil

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):

8,000,000

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:

8,000,000

Name of contact:

Ian Thornton

Telephone number of contact:

+44 1223 400796

Name of applicant:

ARM Holdings plc

Name of scheme:

ARM Holdings plc US Employee Stock Purchase Plan

Period of return:

From:

15 January 2011

To:

14 July 2011

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

Nil

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):

3,000,000

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

451,423

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

2,548,577

Name of contact:

Ian Thornton

Telephone number of contact:

+44 1223 400796