Diploma PLC — Director's Dealing 2026

Mar 23, 2026

National Storage Mechanism | Additional information

RNS Number : 7498X

Diploma PLC

23 March 2026

                                           10-11 CHARTERHOUSE SQUARE,

LONDON EC1M 6EE

TELEPHONE: +44 (0)20 7549 5700

23 March 2026

Notification of transactions by persons discharging managerial responsibilities (PDMRs)

Diploma PLC (the "Company") has been notified that on 19 March 2026, Katie Bickerstaffe, Senior Independent Director of the Company, purchased 251 Ordinary Shares in the Company. Following this transaction, Katie Bickerstaffe's total shareholding is 2,120 Ordinary Shares.

The Company has also been notified that on 19 March 2026, Geraldine Huse, Non-Executive Director of the Company, purchased 535 Ordinary Shares in the Company. Following this transaction, Geraldine Huse's total shareholding is 3,726 Ordinary Shares.

The Company has also been notified that on 20 March 2026, Ian El-Mokadem, Non-Executive Director of the Company, purchased 500 Ordinary Shares in the Company. Following this transaction, Ian El-Mokadem's total shareholding is 1,500 Ordinary Shares.

The Notification of Dealing Form can be found below. This announcement is made in accordance with the UK Market Abuse Regulation (Regulation (EU) 596/2014, as it forms part of domestic law by virtue of the European Union (Withdrawal) Act 2018).

1

Details of the Director/PDMR/PCA

a)

Name

1.      Katie Bickerstaffe

2.     Geraldine Huse

3.     Ian El-Mokadem

2

Reason for the notification

a)

Position/Status

1.       Senior Independent Director

2.      Non-Executive Director

3.      Non-Executive Director

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

Purchase of Shares

c)

Price(s) and volume(s)

Price(s)                      Volume(s)

1.     £59.25            251

2.     £58.34            535

3.     £58.20            500

d)

Aggregated information

Aggregated              Aggregated

Volume                      Price

1.     251                 £14,871.75

2.     535                 £31,211.90

3.     500                 £29,100

-   Aggregated volume

-   Price

e)

Date of the transaction

1.     19 March 2026

2.     19 March 2026

3.     20 March 2026

f)

Place of the transaction

London Stock Exchange

For further information please contact:

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

LEI: 2138008OGI7VYG8FGR19

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