Director/PDMR Shareholding

HALMA plc

DIRECTOR/PDMR SHAREHOLDING

Halma plc has received notification that Jo Harlow, a non-executive Director of the Company, purchased 2,000 ordinary shares in the Company at 1279.76p per share on 1 December 2017.

After the above transaction, the beneficial holding of Jo Harlow in the ordinary shares of Halma plc is 2,000 shares (0.0005% of the issued ordinary share capital excluding treasury shares).

The notification below, made in accordance with the requirements of the EU Market Abuse Regulation, gives further detail.

Notification and public disclosure of transactions by persons discharging managerial responsibilities and persons closely associated with them

1

Details of the person discharging managerial responsibilities / person closely associated

a)

Name

Jo Harlow

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 10p each in Halma plc

GB0004052071

b)

Nature of the transaction

Purchase of shares

c)

Price(s) and volume(s)

d)

Aggregated information

- Aggregated volume

- Price

2,000

£12.7976

e)

Date of the transaction

2017-12-01

f)

Place of the transaction

London Stock Exchange, Main Market (XLON)

Contact for further information:

Andrew Williams

Chief Executive, Halma plcTel: +44 (0)1494 721111

Carol Chesney

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