Director Shrhldg-Replacement

Johnson,Matthey PLC
21 August 2000

The issuer has made the following amendment to the Director Shareholding
announcement released today at 12.00 under RNS No 7095P.

In box 15 the 'Total holding following this notification' should read '32,736
shares' and not '31,069 shares' as previously shown.

All other details remain unchanged.

The full corrected version is shown below.

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                       DEALINGS BY DIRECTORS


1)  NAME OF COMPANY

    JOHNSON MATTHEY PLC

2)  NAME OF DIRECTOR

    MR J.N. SHELDRICK

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 or in respect of an non-beneficial interest

    AS ABOVE

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

    MR J.N. SHELDRICK

5)  Please state whether notification relates to a person(s) connected
    with the Director named in 2 above and identify the connected person(s)

    NONE

6)  Please state the nature of the transaction. For PEP transactions
    please indicate whether general/single co PEP and if discretionary/non
    discretionary

    MR J.N. SHELDRICK EXERCISE OF OPTIONS OVER 61,667 SHARES
    MR J.N. SHELDRICK SALE OF 60,000 SHARES

7)  Number of shares/amount of
    stock acquired

    MR J.N. SHELDRICK   61,667 SHARES

8)   (LESS THAN 0.03%)
    of issued Class


9)  Number of shares/amount
    of stock disposed

    MR J.N. SHELDRICK   60,000

10)  (LESS THAN 0.03%)
   of issued Class


11) Class of security

    ORDINARY £1 SHARES


12) Price per share

    OPTION EXERCISE PRICE
    MR J.N. SHELDRICK    61,667 @ 578.89P

    SHARE SALE PRICE
    MR J.N. SHELDRICK    60,000 @ 10.0772P
    
13) Date of transaction

    18 AUGUST 2000

14) Date company informed

    18 AUGUST 2000

15) Total holding following this notification

                                SHARES     OPTIONS       LTIP
    Mr J.N. Sheldrick           32,736     98,664      109,884


16) Total percentage holding of issued class following this notification

    less than 0.01%

     IF A DIRECTOR HAS BEEN GRANTED OPTIONS BY THE COMPANY PLEASE
                    COMPLETE THE FOLLOWING BOXES

17) Date of grant



18) Period during which or date on which exercisable



19) Total amount paid (if any) for grant of the option



20) Description of shares or debentures involved: class, number.



21) Exercise price (if fixed at time of grant) or indication that price
    is to be fixed at time of exercise



22) Total number of shares or debentures over which options held
    following this notification



23) Any additional information



24) Name of contact and telephone number for queries

    A.L. COSSEY     020 7269 8461

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

   Date of Notification        18 AUGUST 2000