Holding in Company

Johnson,Matthey PLC
9 May 2001




                  DEALINGS BY SUBSTANTIAL SHAREHOLDERS


1)   NAME OF COMPANY

     JOHNSON MATTHEY PLC

2)   NAME OF SHAREHOLDER HAVING A MAJOR INTEREST

     LEGAL & GENERAL INVESTMENT MANAGEMENT

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 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.

     AS SCHEDULE BELOW

5)   Number of shares/amount of stock acquired.

     58,615

6)   ( 0.03%) of issued Class

7)   Number of shares/amount of stock disposed

     N/A

8)   ( N/A %) of issued Class

9)   Class of security

     ORDINARY £1 SHARES

10)  Date of transaction

     1 MAY 2001

11)  Date company informed

     9 MAY 2001

12)  Total holding following this notification

     6,684,440 
              
13)  Total percentage holding of issued class following this notification

     3.00%

14)  Any additional information



15)  Name of contact and telephone number for queries

     LYNNE COSSEY - 0207 269 8461

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

     Date of Notification ...9 MAY 2001


LETTER TO JOHNSON MATTHEY PLC

Companies Act 1985 - Disclosure of Interest in shares

Consequent upon a transfer into management of 58,615 shares on the 01 May 2001,
we now hold the following number of shares which are not subject to a concert
party and will be registered as follows:

Material Interest

HSBC Global Custody Nominee (UK) Ltd A/c 775229          166,500
HSBC Global Custody Nominee (UK) Ltd A/c 775180           50,000
HSBC Global Custody Nominee (UK) Ltd A/c 886603          814,000
HSBC Global Custody Nominee (UK) Ltd A/c 775245        1,010,636
HSBC Global Custody Nominee (UK) Ltd A/c 361602           11,000
HSBC Global Custody Nominee (UK) Ltd A/c 252605          249,712
HSBC Global Custody Nominee (UK) Ltd A/c 360509          130,264
HSBC Global Custody Nominee (UK) Ltd A/c 357206        4,176,708
HSBC Global Custody Nominee (UK) Ltd A/c 866197           16,257
HSBC Global Custody Nominee (UK) Ltd A/c 130007           59,363
                                                       ----------  -------
                                                        6,684,440   3,00%
                                                       ==========  ======

Please note that this percentage is based on our understanding that your issued
share capital is 222,511,587.

LETTER FROM LEGAL & GENERAL INVESTMENT MANAGEMENT