Blocklisting Interim Review

Smiths Group PLC
31 October 2005

31 OCTOBER 2005

LISTING RULE LR 3.5.6

BLOCKLISTING SIX MONTHLY RETURN

1. Name of applicant: SMITHS GROUP PLC

2. Names of schemes:

SMITHS INDUSTRIES 1982 SAYE SHARE OPTION SCHEME

SMITHS INDUSTRIES (1984) EXECUTIVE SHARE OPTION SCHEME

SMITHS INDUSTRIES OVERSEAS EXECUTIVE SHARE OPTION SCHEME

SMITHS INDUSTRIES 1995 EXECUTIVE SHARE OPTION SCHEME

ISSUES PURSUANT TO MERGER WITH TI GROUP PLC FOLLOWING EXERCISE OF TI GROUP SHARE
OPTIONS

TI GROUP 1990 EXECUTIVE SHARE OPTION SCHEME

TI GROUP 1999 EXECUTIVE SHARE OPTION SCHEME

TI GROUP 1981 SAVINGS RELATED SHARE OPTION SCHEME

TI GROUP 1994 SAVINGS RELATED SHARE OPTION SCHEME

3. Period of return: From 01.05.2005 to 31.10.2005

4. Balance under scheme from previous return:
SCHEME                                                                                                   ORDINARY SHARES
SMITHS INDUSTRIES 1982 SAYE SHARE OPTION SCHEME                                                                  168,774
SMITHS INDUSTRIES (1984) EXECUTIVE SHARE OPTION SCHEME                                                                 0
SMITHS INDUSTRIES OVERSEAS EXECUTIVE SHARE OPTION SCHEME                                                          97,127
SMITHS INDUSTRIES 1995 EXECUTIVE SHARE OPTION SCHEME                                                              78,935
ISSUES PURSUANT TO MERGER WITH TI GROUP PLC FOLLOWING EXERCISE OF TI GROUP SHARE                                 301,265
OPTIONS
TI GROUP 1990 EXECUTIVE SHARE OPTION SCHEME                                                                       77,159
TI GROUP 1999 EXECUTIVE SHARE OPTION SCHEME                                                                      268,698
TI GROUP 1981 SAVINGS RELATED SHARE OPTION SCHEME                                                                207,513
TI GROUP 1994 SAVINGS RELATED SHARE OPTION SCHEME                                                                166,330

5. The amount by which the block scheme has been increased, if the scheme has
been increased since the date of the last return:
SCHEME                                                                                                   ORDINARY SHARES
SMITHS INDUSTRIES 1982 SAYE SHARE OPTION SCHEME                                                                  800,000
SMITHS INDUSTRIES (1984) EXECUTIVE SHARE OPTION SCHEME                                                                 0
SMITHS INDUSTRIES OVERSEAS EXECUTIVE SHARE OPTION SCHEME                                                               0
SMITHS INDUSTRIES 1995 EXECUTIVE SHARE OPTION SCHEME                                                             820,000
ISSUES PURSUANT TO MERGER WITH TI GROUP PLC FOLLOWING EXERCISE OF TI GROUP SHARE                                       0
OPTIONS
TI GROUP 1990 EXECUTIVE SHARE OPTION SCHEME                                                                            0
TI GROUP 1999 EXECUTIVE SHARE OPTION SCHEME                                                                            0
TI GROUP 1981 SAVINGS RELATED SHARE OPTION SCHEME                                                                      0
TI GROUP 1994 SAVINGS RELATED SHARE OPTION SCHEME                                                                400,000

6. Number of securities issued/allotted under scheme during period:
SCHEME                                                                                                   ORDINARY SHARES
SMITHS INDUSTRIES 1982 SAYE SHARE OPTION SCHEME                                                                  679,065
SMITHS INDUSTRIES (1984) EXECUTIVE SHARE OPTION SCHEME                                                                 0
SMITHS INDUSTRIES OVERSEAS EXECUTIVE SHARE OPTION SCHEME                                                               0
SMITHS INDUSTRIES 1995 EXECUTIVE SHARE OPTION SCHEME                                                             611,017
ISSUES PURSUANT TO MERGER WITH TI GROUP PLC FOLLOWING EXERCISE OF TI GROUP SHARE                                       0
OPTIONS
TI GROUP 1990 EXECUTIVE SHARE OPTION SCHEME                                                                       27,052
TI GROUP 1999 EXECUTIVE SHARE OPTION SCHEME                                                                       44,265
TI GROUP 1981 SAVINGS RELATED SHARE OPTION SCHEME                                                                      0
TI GROUP 1994 SAVINGS RELATED SHARE OPTION SCHEME                                                                197,104

7. Balance under scheme not yet issued/allotted at end of period:
SCHEME                                                                                                   ORDINARY SHARES
SMITHS INDUSTRIES 1982 SAYE SHARE OPTION SCHEME                                                                  289,709
SMITHS INDUSTRIES (1984) EXECUTIVE SHARE OPTION SCHEME                                                                 0
SMITHS INDUSTRIES OVERSEAS EXECUTIVE SHARE OPTION SCHEME                                                          97,127
SMITHS INDUSTRIES 1995 EXECUTIVE SHARE OPTION SCHEME                                                             287,918
ISSUES PURSUANT TO MERGER WITH TI GROUP PLC FOLLOWING EXERCISE OF TI GROUP SHARE                                 301,265
OPTIONS
TI GROUP 1990 EXECUTIVE SHARE OPTION SCHEME                                                                       50,107
TI GROUP 1999 EXECUTIVE SHARE OPTION SCHEME                                                                      224,433
TI GROUP 1981 SAVINGS RELATED SHARE OPTION SCHEME                                                                207,513
TI GROUP 1994 SAVINGS RELATED SHARE OPTION SCHEME                                                                369,226

8. Number and class of securities originally listed and the date of admission:
SCHEME                                                                                        ORDINARY           DATE OF
                                                                                                SHARES         ADMISSION
SMITHS INDUSTRIES 1982 SAYE SHARE OPTION SCHEME                                                229,000        12/06/2001
                                                                                 AND           240,000        10/07/2001
                                                                                 AND           265,000        22/08/2001
                                                                                 AND           600,000        19/04/2002
                                                                                 AND           277,392        19/08/2002
                                                                                 AND           285,306        23/06/2003
                                                                                 AND           273,037        10/07/2003
                                                                                 AND           282,087        12/08/2003
                                                                                 AND           250,000        14/06/2004
                                                                                 AND           250,000        05/08/2004
                                                                                 AND           250,000        13/09/2004
                                                                                 AND           200,000        03/08/2005
                                                                                 AND           200,000        04/08/2005
                                                                                 AND           200,000        23/08/2005
                                                                                 AND           200,000        12/09/2005
SMITHS INDUSTRIES (1984) EXECUTIVE SHARE OPTION SCHEME    (SINCE 1999)                          41,342        11/03/2005
SMITHS INDUSTRIES OVERSEAS EXECUTIVE SHARE OPTION SCHEME                                    NONE SINCE  1992


SMITHS INDUSTRIES 1995 EXECUTIVE SHARE OPTION SCHEME    (SINCE 1999)                           225,000        14/03/2005
                                                                                 AND           220,000        04/05/2005
                                                                                 AND           200,000        23/06/2005
                                                                                 AND           200,000        23/09/2005
                                                                                 AND           200,000        24/10/2005
ISSUES PURSUANT TO MERGER WITH TI GROUP PLC FOLLOWING EXERCISE OF TI GROUP SHARE               243,000        01/05/2001
OPTIONS
                                                                                 AND           237,000        08/05/2001
                                                                                 AND           238,000        11/05/2001
                                                                                 AND           242,500        16/05/2001
TI GROUP 1990 EXECUTIVE SHARE OPTION SCHEME                                                    238,000        21/05/2001
TI GROUP 1999 EXECUTIVE SHARE OPTION SCHEME                                                    244,000        22/05/2001
                                                                                 AND           238,000        31/05/2001
                                                                                 AND           610,000        05/04/2002
                                                                                 AND           600,000        17/04/2002
                                                                                 AND           273,224        11/07/2003
                                                                                 AND           283,889        13/08/2003
                                                                                 AND           284,697        11/11/2003
                                                                                 AND           300,300        02/12/2003
                                                                                 AND           301,204        09/12/2003
                                                                                 AND           225,000        19/01/2005
                                                                                 AND           225,000        21/01/2005
                                                                                 AND           220,000        25/04/2005
TI GROUP 1981 SAVINGS RELATED SHARE OPTION SCHEME                                              241,500        24/05/2001
TI GROUP 1994 SAVINGS RELATED SHARE OPTION SCHEME                                              242,700        23/05/2001
                                                                                 AND           296,956        01/10/2003
                                                                                 AND           200,000        12/10/2005
                                                                                 AND           200,000        20/10/2005

9. Total number of securities in issue at the end of the period: 564,502,721
ordinary shares

Contact for queries:

10. Name: Neil Burdett
11.Address: Smiths Group plc, 765 Finchley Road, London NW11 8DS
12.Telephone: [phone]


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