Director/PDMR Shareholding

1

Details of the person discharging managerial responsibilities / person closely associated

a)

Name

Hudson La Force

2

Reason for the notification

a)

Position/status

Non-Executive Director

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

HLMAF - Halma plc American Depositary Receipts

US40637C3088

b)

Nature of the transaction

Purchase of ADRs

c)

Price(s) and volume(s)

d)

Aggregated information

- Aggregated price

- Aggregated volume

- Aggregated total

US$42.8796

2,000

US$85,759.20

e)

Date of the transaction

2025-06-16

f)

Place of the transaction

OTCM

1

Details of the person discharging managerial responsibilities / person closely associated

a)

Name

Barbara Thoralfsson

(Shares purchased by Fleming Industrier AS, a company controlled by Barbara Thoralfsson and her spouse)

2

Reason for the notification

a)

Position/status

Non-Executive Director

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

Purchase of shares

c)

Price(s) and volume(s)

d)

Aggregated information

- Aggregated price

- Aggregated volume

- Aggregated total

£31.00

350

£10,850

e)

Date of the transaction

2025-06-17

f)

Place of the transaction

XLON