Director/PDMR Shareholding

1

Details of the person discharging managerial responsibilities / person closely associated

a)

Name

Richard Pike

2

Reason for the notification

a)

Position/status

Chief Operating Officer

b)

Initial notification / amendment

Initial notification

3

Details of the issuer

a)

Name

Johnson Matthey Plc

b)

LEI

2138001AVBSD1HSC6Z10

4

Details of the transaction(s): section to be repeated for (i) each type of instrument; (ii) each type of transaction; (iii) each date; and (iv) each place where transactions have been conducted

a)

Description of the financial instrument, type of instrument

Identification code

Ordinary Shares of 110 49/53 pence each

GB00BZ4BQC70

b)

Nature of the transaction

Share award under the Johnson Matthey 2025-2028 Performance Share Plan. The award is subject to performance conditions over a three-year period. Subject to performance conditions being met, shares will vest on the third anniversary of the date of the award.

c)

Price(s) and volume(s)

Price(s)

Volume(s)

The reference share price is £17.2120 which is calculated using the average of the daily closing mid-market price on each dealing day over the four-week period starting 22 May 2025 and ending 19 June 2025.

4,357

d)

Aggregated information

- Aggregated volume

- Price

4,357

£74,992.68

e)

Date of the transaction

24 March 2026

f)

Place of the transaction

London