Blocklisting Interim Review

Halma PLC
01 February 2008


                                  HALMA p.l.c.

                                   SCHEDULE 5


                         BLOCKLISTING SIX MONTHLY RETURN


1.   Name of company:                                Halma p.l.c.

2.   Name of scheme:                                 1990 Share Option Scheme

3.   Period of return:                               1 July 2007 to 31 December 2007

4.   Number and class of share(s) (amount of         74,800
     stock/debt security) not issued under
     scheme at start of period:

5.   Number of shares issued/allotted under          15,400
     scheme during period:

6.   Balance under scheme not yet issued/            59,400
     allotted at end of period:

7.   Number and class of share(s) (amount of         471,666 10p ordinary shares
     stock/debt securities) originally listed        admitted 12 July 2004
     and the date of admission:


Please confirm total number of shares in issue       374,172,511 including 1,175,475 Treasury shares
at the end of the period in order for us to
update our records:




                                  BLOCKLISTING SIX MONTHLY RETURN


1.   Name of company:                                  Halma p.l.c.

2.   Name of scheme:                                   1996 Unapproved Share Option
                                                       Scheme
3.   Period of return:                                 1 July 2007 to 31 December 2007

4.   Number and class of share(s) (amount of           845,580
     stock/debt security) not issued under
     scheme at start of period:

5.   Number of shares issued/allotted under              90,400
     scheme during period:

6.   Balance under scheme not yet issued/              755,180
     allotted at end of period:

7.   Number and class of share(s) (amount of           1,400,000 10p ordinary shares
     stock/debt securities) originally listed          admitted 24 October 2005
     and the date of admission:


Please confirm total number of shares in            374,172,511 including 1,175,475 Treasury shares
issue at the end of the period in order for
us to update our records:




                                  BLOCKLISTING SIX MONTHLY RETURN


1.   Name of company:                               Halma p.l.c.

2.   Name of scheme:                                1999 Company Share Option Plan

3.   Period of return:                              1 July 2007 to 31 December 2007

4.   Number and class of share(s) (amount of        1,815,014
     stock/debt security) not issued under
     scheme at start of period:

5.   Number of shares issued/allotted under         620,916
     scheme during period:

6.   Balance under scheme not yet issued/           1,194,098
     allotted at end of period:

7.   Number and class of share(s) (amount of        4,000,000 10p ordinary shares
     stock/debt securities) originally listed       admitted 16 June 2006
     and the date of admission:


Please confirm total number of shares in issue      374,172,511 including 1,175,475 Treasury shares
at the end of the period in order for us to
update our records:





Contact for further information:

Carol Chesney
Company Secretary, Halma p.l.c.
Tel:  [phone]



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






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