News Release

Annual Information Update for ARM Holdings plc (the "AIU")

Dated 28 March 2010

1          Introduction

1.1        This AIU for the period 29 March 2009 to 28 March 2010 is provided in accordance with the requirements of Prospectus Rule 5.2.  The AIU refers to all information which ARM has published or made available to the public during this period. It is not provided for any other purpose and neither the company nor any other person takes responsibility for or makes any representation, express or implied, as to the accuracy or completeness of the information it contains.

            This information is not necessarily up to date as at the date of this AIU and the company does not undertake an obligation to update the information in the future.  This AIU does not constitute an offer of any securities addressed to any person and should not be relied upon by any person.

1.2        This AIU contains a list of:

·      news releases and announcements which were made via a Regulatory Information Service (a RIS );

·      news releases and announcements which were filed with the US Securities and Exchange Commission ("SEC");

·      documents filed at the UK Registrar of Companies ("Companies House");

·      documents published and sent to shareholders

1.3        ARM is publishing the AIU via a RIS today and making it available in the

Investors section of our website www.arm.com/ir

2          List of Announcements

            The following is a list of all news releases and announcements of a regulatory nature

which have been made via a RIS, in the previous 12 months together with the date

of the release. A full copy of these announcements can be viewed at www.londonstockexchange.com/marketnews.

3          List of SEC filings

The following is a list of all news releases and announcements of a regulatory nature which have been made via the SEC in the period together with the date of the release.  A full copy of these announcements can e viewed at www.sec.gov

4          Documents filed at Companies House

The following documents were filed with Companies House on or around the dates indicated:

Copies of documents filed at Companies House can be obtained from www.direct.companieshouse.gov.uk or from the Company Secretary at ARM Holdings plc, Liberty House, Moorbridge Road, Maidenhead, Berkshire SL6 8LT UK

Further information about ARM is available through the Company's website www.arm.com

5          Documents published and sent to shareholders

The following documents were published and sent to shareholders who requested hard copy documents.  They are available on the Company's website www.arm.com/ir in the Investors section.  The Annual Report and Accounts were also filed with the UK Listing Authority Document Viewing Facility.

6.         Contacts

Copies of al documents referred to above are available on the Company's website www.arm.com/ir and are also available from:

Patricia Alsop
Company Secretary
ARM Holdings plc
Liberty House
Moorbridge Road
Maidenhead
SL6 8LT
UK
Email: company.secretary@arm.com