RNS Number:4833S
Wolfson Microelectronics PLC
25 November 2003




                Wolfson Press Announcement of s.198 Notification


Wolfson Microelectronics plc (the "Company")
25 November 2003


Section 198 Notification

The Company was notified on 24 November 2003 by Fidelity Investments on behalf
of FMR Corp.("FMR") and its direct and indirect subsidiaries and Fidelity
International Limited ("FIL") and its direct and indirect subsidiaries pursuant
to Section 198 Companies Act 1985 that its interest in the Company has increased
to 9,247,532 ordinary shares of the Company ("Shares"), which interest
represents 9.09% of the issued share capital of the Company.  In addition, this
notifiable interest also comprises that of Edward C Johnson 3rd, a principal
shareholder of FMR Corp. and FIL.  The holding is registered as follows:


  Nominee/Registered Name                Management Company                                     Shares Held

Mellon Bank                               FMRCO                                                     726,350
Chase Nominees Limited                    FMRCO                                                     443,300
State Street Nominees Limited             FMRCO                                                      40,000
BT Globenet Nominees Limited              FMTC                                                       30,000
State Street Bank & Trust                 FMTC                                                       23,000
Chase Manhattan Bank London               FISL                                                    2,303,182
Chase Nominees Ltd                        FISL                                                      355,800
Citibank                                  FPM                                                       193,700
Bank of New York London                   FPM                                                       243,800
Northern Trust                            FPM                                                       103,900
HSBC                                      FPM                                                        77,700
Chase Nominees Ltd                        FPM                                                       300,000
Deutsche Bank                             FPM                                                        23,400
HSBC                                      FIL                                                       132,200
Chase Manhattan Bank London               FIL                                                       235,900
Northern Trust                            FIL                                                     1,094,700
JP Morgan                                 FIL                                                       436,300
State Street Nominees Ltd                 FIL                                                       204,500
Bank of New York Brussels                 FIL                                                       172,800
State Street Bank & Trust                 FIL                                                        52,300
Bank of New York London                   FIL                                                       594,600
Deutsche Bank                             FIL                                                       582,600
Nortrust Nominees Ltd                     FIL                                                       489,600
Chase Nominees Ltd                        FIL                                                        57,000
Morgan Stanley                            FIL                                                       305,400
Citibank                                  FIL                                                        25,500
Total Ordinary Shares                                                                             9,247,532




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