Total Voting Rights

Invensys PLC
03 September 2007

                                  INVENSYS PLC

                                (the "Company")



VOTING RIGHTS AND CAPITAL



In conformity with the Disclosure and Transparency Rules, we would like to
notify the market of the following:

At close of business on 31 August 2007 the Company's capital consisted of
796,392,742 Ordinary shares of 10p each and its authorised share capital was
£1,399,999,999.98 divided into 5,600,526,027 Ordinary shares of 10p each and
3,499,780,822 Deferred shares of 24p each. No shares were held in treasury at
the date of announcement.

Therefore, the total number of current voting rights in the Company was
796,392,742.

The above figure (796,392,742 Ordinary shares) may be used by shareholders as
the denominator for the calculation by which they will determine if they are
required to notify their interest in, or a change to their interest in, the
Company under the FSA's Disclosure and Transparency Rules.

Name of contact and telephone number for queries: Steve Devany, Vice President,
Communications 020 7821 3758

Name of Company official responsible for making notification: Jaime Tham,
Assistant Secretary


Date of notification: 3 September 2007






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