RNS Number:3602R
Spirax-Sarco Engineering PLC
27 October 2003

                              SCHEDULE 10

                 NOTIFICATION OF MAJOR INTERESTS IN SHARES



1. Name of company


SPIRAX-SARCO ENGINEERING PLC



2. Name of shareholder having a major interest


ARNHOLD AND S. BLEICHROEDER ADVISORS, LLC



3. Please state whether notification indicates that it is in respect of holding
of the shareholder named in 2 above or in respect of a non-beneficial interest
or in the case of an individual holder if it is a holding of that person's
spouse or children under the age of 18


IN RESPECT OF CLIENTS WHOSE PORTFOLIOS ARE MANAGED BY THE SHAREHOLDERS 
NAMED IN BOX 2 ABOVE



4. Name of the registered holder(s) and, if more than one holder, the number of
shares held by each of them


SEE BELOW



5. Number of shares / amount of stock acquired


NOT STATED



6. Percentage of issued class


NOT STATED



7. Number of shares / amount of stock disposed


NOT STATED



8. Percentage of issued class


NOT STATED



9. Class of security


ORDINARY



10. Date of transaction


23.10.2003



11. Date company informed


24.10.2003



12. Total holding following this notification


3,705,397



13. Total percentage holding of issued class following this notification


4.9578%    (SHARE CAPITAL 74,739,383 AT 24.10.03)



14. Any additional information






15. Name of contact and telephone number for queries


PETER A. SMITH, TEL. 01242 521361



16. Name and signature of authorised company official responsible for making
this notification


PETER SMITH



Date of notification


27.10.03



The FSA does not give any express or implied warranty as to the accuracy of this
document or material and does not accept any liability for error or omission.
The FSA is not liable for any damages (including, without limitation, damages
for loss of business or loss of profits) arising in contract, tort or otherwise
from the use of or inability to use this document, or any material contained in
it, or from any action or decision taken as a result of using this document or
any such material.







Letter to Spirax-Sarco Engineering plc

dated October 24, 2003



Mr Smith



Amended Disclosure of Substantial Shareholdings Under the Companies Act of 1985



On October 23, 2003 Arnhold and S. Bleichroeder Advisers, LLC ("ASBA") holds, in
the aggregate, a total of 3,705,397 shares of Spirax-Sarco Engineering, Plc.
Those shares represent 4.98% of the 74,356,000 outstanding shares of the
company. They also represent a decrease under the 5.04% of shares managed by
ASBA that was denoted October 8th, 2003 filing.



The registered holders of the shares managed by ASBA on October 23, 2003 are
given below.


Arnhold and S. Bleichroeder Diversified International Equity Fund                                      270,000
City of Hartford Municipal Employees' Retirement Fund                                                   30,397
Ewing Marion Kauffman Foundation                                                                        75,000
First Eagle Overseas Fund                                                                            2,335,000
First Eagle Overseas Variable Fund                                                                     150,000
Genesee County Employees' Retirement System                                                             20,000
MacArthur Foundation Trust                                                                              90,000
Raytheon Pension Fund                                                                                   75,000
Schlumberger, Limited                                                                                   60,000
SoGen International SICAV                                                                              435,000
United Food and Commercial Workers' Union                                                               65,000
Utah Retirement Systems                                                                                100,000



I request that you make the information disclosed in this notice public by
notifying the London Stock Exchange. If you have any questions, you may contact
me by telephone, at 212-698-3127, or by electronic mail at
andrew.baldauf@asbai.com .



Sincerely,

Andrew J. Baldauf

Vice President, Compliance







                      This information is provided by RNS
            The company news service from the London Stock Exchange
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