Holding(s) in Company

Smiths Group PLC
17 March 2008

Form TR-1 with annex. FSA Version 2.1 updated April 2007

TR-1: Notifications of Major Interests in Shares

1. Identity of the issuer or the underlying issuer of                    Smiths Group plc
existing shares to which voting rights are attached:

2. Reason for notification (yes/no)

An acquisition or disposal of voting rights                                                  Yes

An acquisition or disposal of financial instruments which may result in the acquisition
of shares already issued to which voting rights are attached

An event changing the breakdown of voting rights

Other (please specify):______________
                                                     

3. Full name of person(s) subject to notification    Newton Investment Management Limited
obligation:

4. Full name of shareholder(s) (if different from
3):
                                                    
5. Date of transaction (and date on which the        12/03/08
threshold is crossed or reached if different):
                                                    
6. Date on which issuer notified:                    13/03/08

7. Threshold(s) that is/are crossed or reached:      Decrease from 6.01% to 5.89%

8: Notified Details                                               Sale of 483,071

A: Voting rights attached to shares

Class/type of     Situation previous to the   Resulting situation after the triggering transaction
shares            triggering transaction
                  Number of     Number of     Number of    Number of voting rights  Percentage of voting
If possible use   shares        voting rights shares                                rights
ISIN code

                                                           Direct       Indirect    Direct       Indirect
ORD -
GB00B1WY2338      23,322,164    6.01%              N/A     N/A          22,845,896  N/A             5.89%


B: Financial Instruments

Resulting situation after the triggering transaction

Type of financial    Expiration date      Exercise/ conversion No. of voting rights that Percentage of
instrument                                period/date          may be acquired (if the   voting rights
                                                               instrument exercised/
                                                               converted)





Total (A+B)


Number of voting rights                              Percentage of voting rights

22,845,896                                                      5.89%

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


Newton Investment Management Limited hold these shares as a discretionary Investment Manager.




Proxy Voting:


10. Name of proxy holder:


11. Number of voting rights proxy holder will cease
to hold:


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




13. Additional information:


14 Contact name:                                       Asif S Lalani


15. Contact telephone name:                            [phone]






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