News Release

ARM Holdings PLC
7 September 2004



The following amendment has been made to the Holding(s) in Company announcement 
released on 6 September 2004 at 17:44 under RNS No 6623C.

Section 5 should read: '3,982,274 and not N/A, and Section 7 should read: 'N/A' 
and not 3,982,274 as previously published.

All other details remain unchanged. The full amended text is shown below.







                           SCHEDULE 10
 
             NOTIFICATION OF MAJOR INTERESTS IN SHARES


1)   NAME OF COMPANY

     ARM HOLDINGS PLC

2)   NAME OF SHAREHOLDER HAVING A MAJOR INTEREST

     JANUS CAPITAL GROUP COMPANY

3)   Please state whether notification indicates that it is in respect of 
     holding of the Shareholder named in 2 above or in respect of a 
     non-beneficial interest or in the case of an individual holder if it is a
     holding of that person's spouse or children under the age of 18

      AS NAMED IN 2 ABOVE

4)   Name of the registered holder(s) and, if more than one holder, the 
     number of shares held by each of them.

     NOT DISCLOSED

5)   Number of shares/amount of stock acquired.

     3,982,274

6)   Percentage of issued Class
     N/A

7)   Number of shares/amount of stock disposed
     N/A

8)   Percentage of issued Class
     N/A

9)   Class of security

     ORDINARY SHARES

10)  Date of transaction

     1ST SEPTEMBER 2004

11)  Date company informed

     6TH SEPTEMBER 2004

12)  Total holding following this notification

     43,055,017
               
13)  Total percentage holding of issued class following this notification

      4.19%

14)  Any additional information



15)  Name of contact and telephone number for queries

      REBECCA HORSFALL
      +44 1223 400432

16)  Name and signature of authorised company official responsible for 
     making this notification

     Date of Notification .....6TH FEBRUARY 2004...................







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