Holding(s) in Company

Spirax-Sarco Engineering PLC
13 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

     100,000


6.   Percentage of issued class

     0.1338%


7.   Number of shares / amount of stock disposed

     -


8.   Percentage of issued class

     -


9.   Class of security

     ORDINARY


10.  Date of transaction

     08.10.2003


11.  Date company informed

     08.10.2003, LETTER RECEIVED 13.10.03


12.  Total holding following this notification

     3,745,397


13.  Total percentage holding of issued class following this notification

     5.0122%    (SHARE CAPITAL 74,725,883 AT 8.10.03)


14.  Any additional information




15.  Name of contact and telephone number for queries

     PETER A. SMITH, TEL. [phone]


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

     PETER SMITH


Date of notification

13.10.03

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 8, 2003

Mr Smith

Amended Disclosure of Substantial Shareholdings Under the Companies Act of 1985

On October 8, 2003 Arnhold and S. Bleichroeder Advisers, LLC ('ASBA') purchased
100,000 shares of Spirax-Sarco Engineering, Plc. Common Stock. Since that
transaction, accounts managed by ASBA have held, in the aggregate, a total of
3,745,397 shares of Spirax-Sarco Engineering, Plc. Those shares represent 5.04%
of the 74,363,000 outstanding shares of the company. They also represent a
increase over the 4.95% of shares managed by ASBA according to a filing of July
8th, 2003.

The registered holders of the shares managed by ASBA since October 8, 2003 are
given below, with the number of shares each has held since that date.


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                                            2,350,000
First Eagle Overseas Variable Fund                                     150,000
Genesee County Employees' Retirement System                             30,000
MacArthur Foundation Trust                                              90,000
Raytheon Pension Fund                                                   75,000
Schlumberger, Limited                                                   60,000
SoGen International SICAV                                              425,000
SoFire Fund, Limited                                                    25,000
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
[e-mail] .


Sincerely,
Andrew J. Baldauf
Vice President, Compliance



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