Johnson Matthey PLC

Director's Dealing • Aug 5, 2025

National Storage Mechanism | Additional information

RNS Number : 0993U

Johnson Matthey PLC

05 August 2025

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 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)	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.
Price(s)	Volume(s)
£17.2120	150,776
d)	Aggregated information -     Aggregated volume -     Price	N/A N/A
e)	Date of the transaction	1 August 2025
f)	Place of the transaction	Outside a trading venue

1	Details of the person discharging managerial responsibilities / person closely associated
a)	Name	Carol Frost
2	Reason for the notification
a)	Position/status	Chief HR 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)	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.
Price(s)	Volume(s)
£17.2120	20,334
d)	Aggregated information -     Aggregated volume -     Price	N/A N/A
e)	Date of the transaction	1 August 2025
f)	Place of the transaction	Outside a trading venue

1	Details of the person discharging managerial responsibilities / person closely associated
a)	Name	Alastair Judge
2	Reason for the notification
a)	Position/status	Head of Strategy & Operations
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)	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.
Price(s)	Volume(s)
£17.2120	33,552
d)	Aggregated information -     Aggregated volume -     Price	N/A N/A
e)	Date of the transaction	1 August 2025
f)	Place of the transaction	Outside a trading venue

​

1	Details of the person discharging managerial responsibilities / person closely associated
a)	Name	Louise Melikian
2	Reason for the notification
a)	Position/status	Chief Executive, Platinum Group Metal Services (PGMS)
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)	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.
Price(s)	Volume(s)
£17.2120	28,759
d)	Aggregated information -     Aggregated volume -     Price	N/A N/A
e)	Date of the transaction	1 August 2025
f)	Place of the transaction	Outside a trading venue

1	Details of the person discharging managerial responsibilities / person closely associated
a)	Name	Richard Pike
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 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)	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.
Price(s)	Volume(s)
£17.2120	69,718
d)	Aggregated information -     Aggregated volume -     Price	N/A N/A
e)	Date of the transaction	1 August 2025
f)	Place of the transaction	Outside a trading venue

​

1	Details of the person discharging managerial responsibilities / person closely associated
a)	Name	Simon Price
2	Reason for the notification
a)	Position/status	General Counsel and Company Secretary
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)	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.
Price(s)	Volume(s)
£17.2120	28,759
d)	Aggregated information -     Aggregated volume -     Price	N/A N/A
e)	Date of the transaction	1 August 2025
f)	Place of the transaction	Outside a trading venue

​

1	Details of the person discharging managerial responsibilities / person closely associated
a)	Name	Elizabeth Rowsell
2	Reason for the notification
a)	Position/status	Chief Technology 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)	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.
Price(s)	Volume(s)
£17.2120	17,574
d)	Aggregated information -     Aggregated volume -     Price	N/A N/A
e)	Date of the transaction	1 August 2025
f)	Place of the transaction	Outside a trading venue

1	Details of the person discharging managerial responsibilities / person closely associated
a)	Name	Anish Kumar Taneja
2	Reason for the notification
a)	Position/status	Chief Executive, Clean Air & Hydrogen Technologies
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)	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.
Price(s)	Volume(s)
£17.2120	42,683
d)	Aggregated information -     Aggregated volume -     Price	N/A N/A
e)	Date of the transaction	1 August 2025
f)	Place of the transaction	Outside a trading venue

​

1	Details of the person discharging managerial responsibilities / person closely associated
a)	Name	Maurits van Tol
2	Reason for the notification
a)	Position/status	Chief Executive, Catalyst Technologies
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)	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.
Price(s)	Volume(s)
£17.2120	38,065
d)	Aggregated information -     Aggregated volume -     Price	N/A N/A
e)	Date of the transaction	1 August 2025
f)	Place of the transaction	Outside a trading venue

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 GB00BZ4BQC70
b)	Nature of the transaction	Share award under the Johnson Matthey Deferred Bonus Plan. Shares are deferred for a three year period.
c)	Price(s) and 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.
Price(s)	Volume(s)
£17.2120	40,832
d)	Aggregated information -     Aggregated volume -     Price	N/A N/A
e)	Date of the transaction	1 August 2025
f)	Place of the transaction	Outside a trading venue

​

1	Details of the person discharging managerial responsibilities / person closely associated
a)	Name	Alastair Judge
2	Reason for the notification
a)	Position/status	Head of Strategy & Operations
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 Deferred Bonus Plan. Shares are deferred for a three year period.
c)	Price(s) and 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.
Price(s)	Volume(s)
£17.2120	7,060
d)	Aggregated information -     Aggregated volume -     Price	N/A N/A
e)	Date of the transaction	1 August 2025
f)	Place of the transaction	Outside a trading venue

1	Details of the person discharging managerial responsibilities / person closely associated
a)	Name	Louise Melikian
2	Reason for the notification
a)	Position/status	Chief Executive, Platinum Group Metal Services (PGMS)
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 Deferred Bonus Plan. Shares are deferred for a three year period.
c)	Price(s) and 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.
Price(s)	Volume(s)
£17.2120	4,129
d)	Aggregated information -     Aggregated volume -     Price	N/A N/A
e)	Date of the transaction	1 August 2025
f)	Place of the transaction	Outside a trading venue

1	Details of the person discharging managerial responsibilities / person closely associated
a)	Name	Simon Price
2	Reason for the notification
a)	Position/status	General Counsel and Company Secretary
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 Deferred Bonus Plan. Shares are deferred for a three year period.
c)	Price(s) and 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.
Price(s)	Volume(s)
£17.2120	5,992
d)	Aggregated information -     Aggregated volume -     Price	N/A N/A
e)	Date of the transaction	1 August 2025
f)	Place of the transaction	Outside a trading venue

​

1	Details of the person discharging managerial responsibilities / person closely associated
a)	Name	Elizabeth Rowsell
2	Reason for the notification
a)	Position/status	Chief Technology 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 Deferred Bonus Plan. Shares are deferred for a three year period.
c)	Price(s) and 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.
Price(s)	Volume(s)
£17.2120	4,708
d)	Aggregated information -     Aggregated volume -     Price	N/A N/A
e)	Date of the transaction	1 August 2025
f)	Place of the transaction	Outside a trading venue

1	Details of the person discharging managerial responsibilities / person closely associated
a)	Name	Anish Kumar Taneja
2	Reason for the notification
a)	Position/status	Chief Executive, Clean Air & Hydrogen Technologies
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 Deferred Bonus Plan. Shares are deferred for a three year period.
c)	Price(s) and 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.
Price(s)	Volume(s)
£17.2120	9,510
d)	Aggregated information -     Aggregated volume -     Price	N/A N/A
e)	Date of the transaction	1 August 2025
f)	Place of the transaction	Outside a trading venue

​

1	Details of the person discharging managerial responsibilities / person closely associated
a)	Name	Maurits van Tol
2	Reason for the notification
a)	Position/status	Chief Executive, Catalyst Technologies
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 Deferred Bonus Plan. Shares are deferred for a three year period.
c)	Price(s) and 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.
Price(s)	Volume(s)
£17.2120	10,267
d)	Aggregated information -     Aggregated volume -     Price	N/A N/A
e)	Date of the transaction	1 August 2025
f)	Place of the transaction	Outside a trading venue

1	Details of the person discharging managerial responsibilities / person closely associated
a)	Name	Carol Frost
2	Reason for the notification
a)	Position/status	Chief HR Director
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 Restricted Share Plan. The shares will vest on the first anniversary of the date of the award.
c)	Price(s) and 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.
Price(s)	Volume(s)
£17.2120	1,000
d)	Aggregated information -     Aggregated volume -     Price	N/A N/A
e)	Date of the transaction	1 August 2025
f)	Place of the transaction	Outside a trading venue

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 GB00BZ4BQC70
b)	Nature of the transaction	Vesting of shares under the Johnson Matthey Performance Share Plan (shares awarded in August 2022) and subsequent sale/retention of vested shares. Number of vested shares: 15,363 Number of vested shares sold to cover tax liabilities: 7,239 Number of vested shares retained: 8,124 The information below relates to the sale of the vested shares.
c)	Price(s) and volume(s)
Price(s)	Volume(s)
£17.408801	7,239
d)	Aggregated information -     Aggregated volume -     Price	N/A N/A
e)	Date of the transaction	4 August 2025
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	Head of Strategy & Operations
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	Vesting of shares under the Johnson Matthey Performance Share Plan (shares awarded in August 2022) and subsequent sale/retention of vested shares. Number of vested shares: 1,570 Number of vested shares sold to cover tax liabilities: 740 Number of vested shares retained: 830 The information below relates to the sale of the vested shares.
c)	Price(s) and volume(s)
Price(s)	Volume(s)
£17.408801	740
d)	Aggregated information -     Aggregated volume -     Price	N/A N/A
e)	Date of the transaction	4 August 2025
f)	Place of the transaction	LONDON STOCK EXCHANGE (XLON)

1	Details of the person discharging managerial responsibilities / person closely associated
a)	Name	Simon Price
2	Reason for the notification
a)	Position/status	General Counsel and Company Secretary
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	Vesting of shares under the Johnson Matthey Performance Share Plan (shares awarded in August 2022) and subsequent sale/retention of vested shares. Number of vested shares: 1,606 Number of vested shares sold to cover tax liabilities: 757 Number of vested shares retained: 849 The information below relates to the sale of the vested shares.
c)	Price(s) and volume(s)
Price(s)	Volume(s)
£17.408801	757
d)	Aggregated information -     Aggregated volume -     Price	N/A N/A
e)	Date of the transaction	4 August 2025
f)	Place of the transaction	LONDON STOCK EXCHANGE (XLON)

1	Details of the person discharging managerial responsibilities / person closely associated
a)	Name	Elizabeth Rowsell
2	Reason for the notification
a)	Position/status	Chief Technology 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	Vesting of shares under the Johnson Matthey Performance Share Plan (shares awarded in August 2022) and subsequent sale/retention of vested shares. Number of vested shares: 1,024 Number of vested shares sold to cover tax liabilities: 483 Number of vested shares retained: 541 The information below relates to the sale of the vested shares.
c)	Price(s) and volume(s)
Price(s)	Volume(s)
£17.408801	483
d)	Aggregated information -     Aggregated volume -     Price	N/A N/A
e)	Date of the transaction	4 August 2025
f)	Place of the transaction	LONDON STOCK EXCHANGE (XLON)
1	Details of the person discharging managerial responsibilities / person closely associated
a)	Name	Anish Kumar Taneja
2	Reason for the notification
a)	Position/status	Chief Executive, Clean Air & Hydrogen Technologies
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	Vesting of shares under the Johnson Matthey Performance Share Plan (shares awarded in August 2022) and subsequent sale of vested shares. Number of vested shares: 3,757 Number of vested shares sold: 3,757 The information below relates to the sale of the vested shares.
c)	Price(s) and volume(s)
Price(s)	Volume(s)
£17.408801	3,757
d)	Aggregated information -     Aggregated volume -     Price	N/A N/A
e)	Date of the transaction	4 August 2025
f)	Place of the transaction	LONDON STOCK EXCHANGE (XLON)

1	Details of the person discharging managerial responsibilities / person closely associated
a)	Name	Maurits van Tol
2	Reason for the notification
a)	Position/status	Chief Executive, Catalyst Technologies
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	Vesting of shares under the Johnson Matthey Performance Share Plan (shares awarded in August 2022) and subsequent sale/retention of vested shares. Number of vested shares: 3,347 Number of vested shares sold to cover tax liabilities: 1,578 Number of vested shares retained: 1,769 The information below relates to the sale of the vested shares.
c)	Price(s) and volume(s)
Price(s)	Volume(s)
£17.408801	1,578
d)	Aggregated information -     Aggregated volume -     Price	N/A N/A
e)	Date of the transaction	4 August 2025
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	Head of Strategy & Operations
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	Vesting of shares under the Johnson Matthey Deferred Bonus Plan shares awarded in August 2022and subsequent sale/retention of vested shares. Number of vested shares: 979 Number of vested shares sold: 462 Number of vested shares retained: 517 The information below relates to the sale of the vested shares.
c)	Price(s) and volume(s)
Price(s)	Volume(s)
£17.408801	462
d)	Aggregated information -     Aggregated volume -     Price	N/A N/A
e)	Date of the transaction	4 August 2025
f)	Place of the transaction	LONDON STOCK EXCHANGE (XLON)

1	Details of the person discharging managerial responsibilities / person closely associated
a)	Name	Simon Price
2	Reason for the notification
a)	Position/status	General Counsel and Company Secretary
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	Vesting of shares under the Johnson Matthey Deferred Bonus Plan shares awarded in August 2022and subsequent sale/retention of vested shares. Number of vested shares: 2,498 Number of vested shares sold to cover tax liabilities: 1,178 Number of vested shares retained: 1,320 The information below relates to the sale of the vested shares.
c)	Price(s) and volume(s)
Price(s)	Volume(s)
£17.408801	1,178
d)	Aggregated information -     Aggregated volume -     Price	N/A N/A
e)	Date of the transaction	4 August 2025
f)	Place of the transaction	LONDON STOCK EXCHANGE (XLON)

1	Details of the person discharging managerial responsibilities / person closely associated
a)	Name	Elizabeth Rowsell
2	Reason for the notification
a)	Position/status	Chief Technology 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	Vesting of shares under the Johnson Matthey Deferred Bonus Plan shares awarded in August 2022and subsequent sale/retention of vested shares. Number of vested shares: 926 Number of vested shares sold: 437 Number of vested shares retained: 489 The information below relates to the sale of the vested shares.
c)	Price(s) and volume(s)
Price(s)	Volume(s)
£17.408801	437
d)	Aggregated information -     Aggregated volume -     Price	N/A N/A
e)	Date of the transaction	4 August 2025
f)	Place of the transaction	LONDON STOCK EXCHANGE (XLON)

1	Details of the person discharging managerial responsibilities / person closely associated
a)	Name	Maurits van Tol
2	Reason for the notification
a)	Position/status	Chief Executive, Catalyst Technologies
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	Vesting of shares under the Johnson Matthey Deferred Bonus Plan shares awarded in August 2022 and subsequent sale/retention of vested shares. Number of vested shares: 8,284 Number of vested shares sold: 3,904 Number of vested shares retained: 4,380 The information below relates to the sale of the vested shares.
c)	Price(s) and volume(s)
Price(s)	Volume(s)
£17.408801	3,904
d)	Aggregated information -     Aggregated volume -     Price	N/A N/A
e)	Date of the transaction	4 August 2025
f)	Place of the transaction	LONDON STOCK EXCHANGE (XLON)

1	Details of the person discharging managerial responsibilities / person closely associated
a)	Name	Anish Kumar Taneja
2	Reason for the notification
a)	Position/status	Chief Executive, Clean Air & Hydrogen Technologies
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	Vesting of shares under the Johnson Matthey Restricted Share Plan shares awarded in August 2022 and subsequent sale of vested shares. Number of vested shares: 7,000 Number of vested shares sold: 7,000 The information below relates to the sale of the vested shares.
c)	Price(s) and volume(s)
Price(s)	Volume(s)
£17.408801	7,000
d)	Aggregated information -     Aggregated volume -     Price	N/A N/A
e)	Date of the transaction	4 August 2025
f)	Place of the transaction	LONDON STOCK EXCHANGE (XLON)

Enquiries:
Victoria Barlow	Deputy Company Secretary	+44 20 7269 8431

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

Registered in England & Wales number: 00033774

Legal Entity Identifier number: 2138001AVBSD1HSC6Z10

This information is provided by RNS, the news service of the London Stock Exchange. RNS is approved by the Financial Conduct Authority to act as a Primary Information Provider in the United Kingdom. Terms and conditions relating to the use and distribution of this information may apply. For further information, please contact rns@lseg.com or visit www.rns.com.

RNS may use your IP address to confirm compliance with the terms and conditions, to analyse how you engage with the information contained in this communication, and to share such analysis on an anonymised basis with others as part of our commercial services. For further information about how RNS and the London Stock Exchange use the personal data you provide us, please see our Privacy Policy.

END

DSHEELFBEVLZBBV