Holding(s) in Company

HALMA p.l.c.

NOTIFICATION OF MAJOR INTERESTS IN SHARES

In conformity with the Transparency Directive, Halma p.l.c. ('Halma') is required to announce to the market the receipt of notifications of major interests in shares. Halma received the notice below on 7 July 2008 in respect of Sanderson Asset Management Limited.

Carol Chesney

Company Secretary, Halma p.l.c.

Tel +44 (0)1494 721111

1

Identity of the issuer or the underlying issuer of existing shares to which voting rights are attached:

HALMA p.l.c.

2

Reason for the notification:

An acquisition or disposal of voting rights

3

Full name of person(s) subject to the notification obligation:

Sanderson Asset Management Ltd

4

Full name of shareholder(s) (if different from 3):

5

Date of the transaction (and date on which the threshold is crossed or reached if different):

04 July 2008

6

Date on which issuer notified:

07 July 2008

7

Threshold(s) that is/are crossed or reached:

4%

8

Notified details:

Not applicable

A: Voting rights attached to shares

Class/type of shares If possible using the ISIN code

Situation previous to the triggering transaction

Number of shares

Number of voting rights

GB0004052071

14,967,762

14,967,762

Class/type of shares If possible using the ISIN code

Resulting situation after the triggering transaction

Number of shares 

Number of voting rights

% of voting rights

Direct

Indirect

Direct

Indirect

GB0004052071

14,891,762

14,891,762

0

3.99%

0%

B: Financial instruments

Resulting situation after the triggering transaction

Type of financial instrument

Expiration date

Exercise/Conversion Period/Date

Number of voting rights that may be acquired if the instrument is exercised/converted

% of voting rights

N/A

N/A

N/A

N/A

N/A

Total (A+B)

Number of voting rights

% of voting rights

14,891,762

3.99%

9

Chain of controlled undertakings through which the voting rights and/or the financial instruments are effectively held, if applicable:

Not applicable

Proxy Voting:

10

Name of the proxy holder:

Sanderson Asset Management Ltd

11

Number of voting rights proxy holder will cease to hold:

Not applicable

12

Date on which proxy holder will cease to hold voting rights:

Not applicable

13

Additional information:

Sanderson Asset Management Ltd ("Sanderson") acts as investment manager for our clients. In acting for our Clients, Sanderson are given full discretion over their investments and are empowered to vote on their behalf. However, we do not act as our Clients' custodian and therefore shares are not held in our name but in the name of each Client's custodian bank.

14

Contact for further information:

Jeremy Knowles

15

Contact telephone number:

020 7468 5977

Annex to Notification of Major Interests in Shares

A: Identity of the person or legal entity subject to the notification obligation

Full name (including legal form for legal entities)

Sanderson Asset Management Ltd

Contact address (registered office for legal entities)

Heathcoat House

20 Savile Row, 6th Floor

London W1S 3PR

Phone number

020 7468 5977

Other useful information (at least legal representative for legal persons)

Attn: Jeremy Knowles 

B: Identity of the notifier, if applicable

Full name 

Sanderson Asset Management Ltd

Contact address 

Heathcoat House

20 Savile Row, 6th Floor

London W1S 3PR

Phone number

020 7468 5977

Other useful information (eg functional relationship with the person or legal entity subject to the notification obligation)

Attn: Jeremy Knowles

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