Total Voting Rights

4th May 2010

SPIRAX-SARCO ENGINEERING PLC - VOTING RIGHTS AND CAPITAL

In conformity with the Transparency Directive's transitional provision 6 we would like to notify the market of the following as at 30th April 2010:

Spirax-Sarco Engineering plc's capital consist of 77,292,941 ordinary shares with voting rights. Spirax-Sarco Engineering plc holds 406,909 shares in Treasury.

Therefore, the total number of voting rights in Spirax-Sarco Engineering plc is 76,886,032.

The above figure (76,886,032) may be used by shareholders as the denominator for the calculations by which they will determine if they are required to notify their interest in, or a change to their interest in, Spirax-Sarco Engineering plc under the FSA's disclosure and Transparency Rules.