Diploma PLC

Director's Dealing • Nov 19, 2025

National Storage Mechanism | Additional information

RNS Number : 0663I

Diploma PLC

19 November 2025

                                 

10-11 CHARTERHOUSE SQUARE,

LONDON EC1M 6EE

TELEPHONE: +44 (0)20 7549 5700

19 November 2025

Notification of transactions by persons discharging managerial responsibilities (PDMRs)

Diploma PLC (the "Company") has been notified that Johnny Thomson and Wilson Ng have exercised their share awards in the Company granted on 18 January 2023 and 28 November 2022 respectively, under the Diploma PLC 2020 Performance Share Plan ("PSP"). The net shares are required to be held until the fifth anniversary of the date of grant of the PSP awards.

These awards vested after meeting performance conditions measured over a three-year period ended 30 September 2025. Further details relating to the performance conditions of these awards are set out in the Annual Report and Accounts FY25, which will be published in due course.

The Notification of Dealing Form can be found below. This announcement is made in accordance with the UK Market Abuse Regulation.

1

Details of the Director/PDMR/PCA

a)

Name

1.     Johnny Thomson

2.    Wilson Ng 

2

Reason for the notification

a)

Position/Status

1.     Chief Executive Officer

2.    Acting Chief Financial Officer

b)

Initial notification/

Amendment

Initial notification

3

Details of the issuer

a)

Name

Diploma PLC

b)

LEI

2138008OGI7VYG8FGR19

4

Details of the transactions:

a)

Description of the financial instrument, type of instrument

Identification code

Ordinary shares of 5p each in the Company

GB0001826634

b)

Nature of the transaction

Exercise of awards made under the Diploma  Performance Share Plan

c)

Price(s) and volume(s)

	Price	Volume
1.	Nil cost	79,424
2.	Nil cost	9,433

d)

Aggregated information

-    Aggregated volume

-    Price

	Price	Volume
1.	Nil cost	79,424
2.	Nil cost	9,433

e)

Date of the transaction

18 November 2025

f)

Place of the transaction

Outside a trading venue

1

Details of the Director/PDMR/PCA

a)

Name

1.     Johnny Thomson

2.    Wilson Ng

2

Reason for the notification

a)

Position/Status

1.     Chief Executive Officer

2.    Acting Chief Financial Officer

b)

Initial notification

/Amendment

Initial notification

3

Details of the issuer

a)

Name

Diploma PLC

b)

LEI

2138008OGI7VYG8FGR19

4

Details of the transactions

a)

Description of the financial instrument, type of instrument

Identification code

Ordinary shares of 5p each in the Company

GB0001826634

b)

Nature of the transaction

Sale of Shares to cover tax and national insurance

c)

Price(s) and volume(s)

	Price	Volume
1.	£52.59	37,407
2.	£52.59	4,446

d)

Aggregated information

-    Aggregated volume

-    Price

	Price	Volume
1.	£52.59	37,407
2.	£52.59	4,446

e)

Date of the transaction

18 November 2025

f)

Place of the transaction

Outside a trading venue

For further information please contact:

Diploma PLC	Tel: +44 (0)20 7549 5700
Anna Lawrence, Group Company Secretary

LEI: 2138008OGI7VYG8FGR19

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