Director/PDMR Shareholding

RNS Number : 3727E

Johnson Matthey PLC

14 May 2026

JOHNSON MATTHEY PLC

NOTIFICATION OF TRANSACTIONS BY PERSONS DISCHARGING MANAGERIAL RESPONSIBILITIES AND PERSONS CLOSELY ASSOCIATED

1	Details of the person discharging managerial responsibilities / person closely associated
a)	Name	Liam Condon
2	Reason for the notification
a)	Position/status	Chief Executive 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 GB00BZ4BQC140
b)	Nature of the transaction	Monthly acquisition of shares via the Johnson Matthey Share Incentive Plan
c)	Price(s) and volume(s)	Price(s)	Volume(s)
		£21.58	12
d)	Aggregated information · Volume · Price	12 £258.96
e)	Date of the transaction	13 May 2026
f)	Place of the transaction	London Stock Exchange (XLON)

1	Details of the person discharging managerial responsibilities / person closely associated
a)	Name	Alastair Judge
2	Reason for the notification
a)	Position/status	Chief Financial 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 GB00BZ4BQC140
b)	Nature of the transaction	Monthly acquisition of shares via the Johnson Matthey Share Incentive Plan
c)	Price(s) and volume(s)	Price(s)	Volume(s)
		£21.58	10
d)	Aggregated information · Volume · Price	10 £215.80
e)	Date of the transaction	13 May 2026
f)	Place of the transaction	London Stock Exchange (XLON)

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 GB00BZ4BQC140
b)	Nature of the transaction	Monthly acquisition of shares via the Johnson Matthey Share Incentive Plan
c)	Price(s) and volume(s)	Price(s)	Volume(s)
		£21.58	10
d)	Aggregated information · Volume · Price	10 £215.80
e)	Date of the transaction	13 May 2026
f)	Place of the transaction	London Stock Exchange (XLON)

Johnson Matthey Plc is listed on the London Stock Exchange (JMAT)

Registered in England & Wales number: 0003314144
Legal Entity Identifier number: 2138001AVBSD1HSC6Z10

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