Holding(s) in Company

Spirax-Sarco Engineering PLC
26 April 2005

ISSUED SHARE CAPITAL OF SPIRAX-SARCO ENGINEERING PLC IS 75,884,131 AS AT
26.04.05



Letter to Spirax-Sarco Engineering plc

Dated 22nd April 2005



Mr Smith



Disclosure of Interest in shares Under Section 198



Please find below the details of the notifiable interest of Legal & General
Group plc and/or its subsidiaries in the relevant share capital of your Company.



Material Interest



HSBC Global Custody Nominee (UK) Ltd A/c 914945                           28,340

HSBC Global Custody Nominee (UK) Ltd A/c 923363                           14,080

HSBC Global Custody Nominee (UK) Ltd A/c 775237                           37,266

HSBC Global Custody Nominee (UK) Ltd A/c 942229                           82,769

HSBC Global Custody Nominee (UK) Ltd A/c 942217                           82,723

HSBC Global Custody Nominee (UK) Ltd A/c 942205                           37,661

HSBC Global Custody Nominee (UK) Ltd A/c 942175                           83,758

HSBC Global Custody Nominee (UK) Ltd A/c 942187                           82,882

HSBC Global Custody Nominee (UK) Ltd A/c 775245                          293,162

HSBC Global Custody Nominee (UK) Ltd A/c 130007                           62,458

HSBC Global Custody Nominee (UK) Ltd A/c 357206                        1,988,853

HSBC Global Custody Nominee (UK) Ltd A/c 866203                          108,489

HSBC Global Custody Nominee (UK) Ltd A/c 754612                           51,901

HSBC Global Custody Nominee (UK) Ltd A/c 361602                            2,023

HSBC Global Custody Nominee (UK) Ltd A/c 282605                          675,697

HSBC Global Custody Nominee (UK) Ltd A/c 360509                          110,495

HSBC Global Custody Nominee (UK) Ltd A/c 766793                            6,777

HSBC Global Custody Nominee (UK) Ltd A/c 824434                            1,793

HSBC Global Custody Nominee (UK) Ltd A/c 924422                           10,041


    
                                                              3,761,168    5.00%





We currently have a notifiable interest in 3,761,168 shares which we understand
represents 5% of that class of your share capital calculated on an issued share
capital of 75,192,711 shares



Should you wish to discuss any aspect of this notification, please do not
hesitate to contact Helen Lewis on 020 7528 6742



Yours faithfully

Helen Tasker                         Helen Lewis
Authorised Signatory                 Authorised Signatory








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