07:00:00 +01:00: Director/PDMR ShareholdingRNS Number : 2392GDiploma PLC18 July 2023

10-11 CHARTERHOUSE SQUARE,

LONDON EC1M 6EE

TELEPHONE: +44 (0)20 7549 5700
FACSIMILE: +44 (0)20 7549 5715

18 July 2023

Diploma PLC (the "Company")

Notification of transactions by persons discharging managerial responsibilities (PDMRs)

Diploma PLC has been notified on 17 July 2023 that on the same day, Andrew P Smith, Non-Executive Director of the Company, transferred 7,941 Ordinary Shares in the Company to his wife Sally J Smith.

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

Sally J Smith

2

Reason for the notification

a)

Position/Status

Person Closely Associated to Andrew P Smith - 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

Transfer of Shares

c)

Price(s) and volume(s)

Price

Volume

-

7,941

d)

Aggregated information

-    Aggregated volume

-    Price

Price

Volume

-

7,941

e)

Date of the transaction

17 July 2023

f)

Place of the transaction

Outside a trading venue

For further information, please contact:

J Morrison, Group Company Secretary

+44 (0)20 7549 5700

LEI: 2138008OGI7VYG8FGR19

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