Holding in Company

Johnson,Matthey PLC
21 September 2000

                  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 PER BELOW SCHEDULE

5)   Number of shares/amount of stock acquired.

177,552

6)   ( 0.07%) 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

15 SEPTEMBER 2000

11)  Date company informed

20 SEPTEMBER 2000

12)  Total holding following this notification

6,721,034
               
              
13)  Total percentage holding of issued class following this notification

3.03%

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 .21 SEPTEMBER 2000........

Letter to Johnson Matthey dated 18 September 2000

COMPANIES ACT 1985 - DISCLOSURE OF INTEREST IN SHARES

Consequent upon a transfer into management of 177,552 shares on the 15 September
2000, 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) A/c 775229     166,500
HSBC Global Custody Nominee (UK) A/c 775180      50,000
HSBC Global Custody Nominee (UK) A/c 775245   1,824,636
HSBC Global Custody Nominee (UK) A/c 361602      11,000
HSBC Global Custody Nominee (UK) A/c 252605     249,712
HSBC Global Custody Nominee (UK) A/c 360509     121,264
HSBC Global Custody Nominee (UK) A/c 866197      10,821
HSBC Global Custody Nominee (UK) A/c 770286     185,000
HSBC Global Custody Nominee (UK) A/c 357206   3,981,738
HSBC Global Custody Nominee (UK) A/c 130007     120,363

                                              6,721,034     3.03%

Please note that this percentage is based on our understanding that your issued
share capital is 221,485,936.


Letter from Legal & General Investment Management



                  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 PER ATTACHED SCHEDULE

5)   Number of shares/amount of stock acquired.

N/A

6)   ( N/A %) of issued Class

7)   Number of shares/amount of stock disposed

25,000

8)   (0.01 %) of issued Class

9)   Class of security

ORDINARY £1 SHARES

10)  Date of transaction

18 SEPTEMBER 2000

11)  Date company informed

20 SEPTEMBER 2000

12)  Total holding following this notification

6,646,034
               
              
13)  Total percentage holding of issued class following this notification

2.99%

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 ..21 SEPTEMBER 2000..........



Letter to Johnson Matthey dated 19 September 2000

COMPANIES ACT 1985 - DISCLOSURE OF INTEREST IN SHARES

Consequent upon a sale in the market of 25,000 shares on the 18 September 2000,
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) A/c 775229     166,500
HSBC Global Custody Nominee (UK) A/c 775180      50,000
HSBC Global Custody Nominee (UK) A/c 775245   1,824,636
HSBC Global Custody Nominee (UK) A/c 361602      11,000
HSBC Global Custody Nominee (UK) A/c 252605     249,712
HSBC Global Custody Nominee (UK) A/c 360509     121,264
HSBC Global Custody Nominee (UK) A/c 866197      10,821
HSBC Global Custody Nominee (UK) A/c 770286     185,000
HSBC Global Custody Nominee (UK) A/c 357206   3,906,738
HSBC Global Custody Nominee (UK) A/c 130007     120,363

                                              6,646,034     2.99%

Please note that this percentage is based on our understanding that your issued
share capital is 221,800,000.