Director/PDMR Shareholding

1

Details of the person discharging managerial responsibilities / person closely associated

a)

Name

Nick Cooper

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

Shares purchased with reinvested dividends on shares held in Computershare's Vested Share Account

c)

Price(s) and volume(s)

Price(s)

Volume(s)

£23.30

40.20429

d)

Aggregated information

- Aggregated volume

- Price

- Total

40.20429 shares

£23.30 per share

£936.76

e)

Date of the transaction

7 February 2023

f)

Place of the transaction

London Stock Exchange (XLON)

1

Details of the person discharging managerial responsibilities / person closely associated

a)

Name

Ron Gerrard

2

Reason for the notification

a)

Position/status

Chief EHS and Operations 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

Shares purchased with reinvested dividends on shares held in Computershare's Vested Share Account

c)

Price(s) and volume(s)

Price(s)

Volume(s)

£23.30

78.17082

d)

Aggregated information

- Aggregated volume

- Price

- Total

78.17082 shares

£23.30 per share

£1,821.38

e)

Date of the transaction

7 February 2023

f)

Place of the transaction

London Stock Exchange (XLON)

1

Details of the person discharging managerial responsibilities / person closely associated

a)

Name

Christian Gunther

2

Reason for the notification

a)

Position/status

Chief Strategy and Transformation 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

Shares purchased with reinvested dividends on shares held in Computershare's Vested Share Account

c)

Price(s) and volume(s)

Price(s)

Volume(s)

£23.30

40.39313

d)

Aggregated information

- Aggregated volume

- Price

- Total

40.39313 shares

£23.30 per share

£941.16

e)

Date of the transaction

7 February 2023

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 Executive, PGM Services

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

1) Shares purchased with reinvested dividends on shares held in the Johnson Matthey Share Incentive Plan

2) Shares purchased with reinvested dividends on shares held in Computershare's Vested Share Account

c)

Price(s) and volume(s)

Price(s)

Volume(s)

1) £23.30

2) £23.30

6

55.6515

d)

Aggregated information

- Aggregated volume

- Price

- Total

61.6515 shares

£23.30 per share

£1,436.48

e)

Date of the transaction

7 February 2023

f)

Place of the transaction

London Stock Exchange (XLON)

1

Details of the person discharging managerial responsibilities / person closely associated

a)

Name

Annette Kelleher

2

Reason for the notification

a)

Position/status

Chief Human Resources 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

1) Shares purchased with reinvested dividends on shares held in the Johnson Matthey Share Incentive Plan

2) Shares purchased with reinvested dividends on shares held in Computershare's Vested Share Account

c)

Price(s) and volume(s)

Price(s)

Volume(s)

1) £23.30

2) £23.30

13

223.06312

d)

Aggregated information

- Aggregated volume

- Price

- Total

236.06312 shares

£23.30 per share

£5,500.27

e)

Date of the transaction

7 February 2023

f)

Place of the transaction

London Stock Exchange (XLON)

1

Details of the person discharging managerial responsibilities / person closely associated

a)

Name

Stephen Oxley

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

1) Shares purchased with reinvested dividends on ordinary shares held in the name of S Oxley via Interactive Investor Services Nominees Limited

2) Shares purchased with reinvested dividends on shares held in the Johnson Matthey Share Incentive Plan

c)

Price(s) and volume(s)

Price(s)

Volume(s)

1) £23.59

2) £23.30

99

1

d)

Aggregated information

- Aggregated volume

- Price

- Total

100 shares

99 shares at £23.59 per share; 1 share at £23.30 per share

£2,358.71

e)

Date of the transaction

7 February 2023

f)

Place of the transaction

London Stock Exchange (XLON)

1

Details of the person discharging managerial responsibilities / person closely associated

a)

Name

Jane Toogood

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

1) Shares purchased with reinvested dividends on shares held in the Johnson Matthey Share Incentive Plan

2) Shares purchased with reinvested dividends on shares held in Computershare's Vested Share Account

c)

Price(s) and volume(s)

Price(s)

Volume(s)

1) £23.30

2) £23.30

8

152.27457

d)

Aggregated information

- Aggregated volume

- Price

- Total

160.27457 shares

£23.30

£3,734.40

e)

Date of the transaction

7 February 2023

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 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

1) Shares purchased with reinvested dividends on shares held in the Johnson Matthey Share Incentive Plan

2) Shares purchased with reinvested dividends on shares held in Computershare's Vested Share Account

c)

Price(s) and volume(s)

Price(s)

Volume(s)

1) £23.30

2) £23.30

3

129.33748

d)

Aggregated information

- Aggregated volume

- Price

- Total

132.33748 shares

£23.30 per share

£3,083.46

e)

Date of the transaction

7 February 2023

f)

Place of the transaction

London Stock Exchange (XLON)