Halma Regulatory News (HLMA)

1

Details of the person discharging managerial responsibilities / person closely associated

a)

Name

Constance Baroudel

2

Reason for the notification

a)

Position/status

Sector Chief Executive, Environmental & Analysis & Chief Sustainability Officer

b)

Initial notification /Amendment

Initial notification

3

Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor

a)

Name

Halma plc

b)

LEI

2138007FRGLUR9KGBT40

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 10 pence each in Halma plc

GB0004052071

b)

Nature of the transaction

Sale of shares

c)

Price(s) and volume(s)

d)

Aggregated information

- Aggregated price

- Aggregated volume

- Aggregated total

£39.5519

17,530

£693,344.80

e)

Date of the transaction

2026-06-22

f)

Place of the transaction

XLON

Contact for further information:

Mark Jenkins

Company Secretary, Halma plc

Tel: +44 (0)1494 721111

A copy of this announcement, together with other information about Halma, may be viewed on its website:  www.halma.com