Blocklisting Interim Review

Invensys PLC
25 March 2008


                              BLOCKLISTING RETURN


Information provided on this form must be typed or printed electronically.


To:  The FSA

Date: 25 March 2008


1. Name of applicant

Invensys plc


2. Name of scheme

1998 Senior Executive Long Term Incentive Plan


3. Period of return

From      3 August 2007                              To     2 February 2008


4. Balance under scheme from previous return

444,425 Ordinary shares of nominal value 10p each


5. The amount by which the block scheme has been increased, if the scheme has
been increased since the date of the last return

n/a


6. Number of securities issued/allotted under scheme during period

119,539 Ordinary shares of nominal value 10p each


7. Balance under scheme not yet issued/allotted at end of period

324,886 Ordinary shares of nominal value 10p each


8. Number and class of securities originally listed and the date of admission

590,000 ordinary shares of 10p each, admitted on 27 April 2007


9. Total number of securities in issue at the end of the period

797,033,750 Ordinary shares of nominal value 10p each



Name of contact                 Steve Devany

Address of contact              Invensys plc, Portland House, Bressenden Place, 
                                London SW1E 5BF

Telephone number of contact     020 7821 3758


Signed by .........................................


suitably experienced employee
for and on behalf of


Name of applicant: Invensys plc


If you knowingly or recklessly give false or misleading information you may be
liable to prosecution.


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