Transaction in Own Shares

Spirax-Sarco Engineering PLC
16 June 2006


Spirax-Sarco Engineering Plc

16 June 2006


Transaction in Own Shares

Spirax-Sarco Engineering Plc announces that it has today purchased through
Merrill Lynch International 45,000 ordinary shares at a price of 852 pence per
share.

The purchased shares will all be held in treasury.  Following the above
purchase, Spirax-Sarco Engineering Plc will hold 1,364,911 ordinary shares in
treasury.

The total number of ordinary shares in issue (excluding shares to be held in
treasury) is 75,802,771.



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