Holding(s) in Company

Invensys PLC
04 January 2007

                                  SCHEDULE 10

                   NOTIFICATION OF MAJOR INTERESTS IN SHARES


1)   Name of company

Invensys plc

2)   Name of shareholder having a major interest

Lazard Asset Management LLC Group comprising of:



Lazard Asset Management LLC

Lazard Asset Management Limited

Lazard Fund Managers Limited

Lazard Freres Gestion

Lazard Asset Management Pacific Co.

Lazard Asset Management (Deutschland) GmbH

Lazard Japan Asset Management K.K.

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

Notice is given by Lazard Asset Management LLC Group.  In addition, Lazard
Limited and Lazard Group LLC disclosed a notifiable interest in the holding
pursuant to Section 203(3) of the Companies Act 1985. The shares are held in
portfolios managed by Lazard on a discretionary basis for clients or Lazard
funds.



4)  Name of the registered holder(s) and, if more than one holder, the
     number of shares held by each of them



5)   Number of shares/amount of stock acquired

6)   Percentage of issued class

7)   Number of shares/amount of stock disposed

8)   Percentage of issued class

9)   Class of security

Ordinary shares of 10p each

10)  Date of transaction

27 December 2006


11)  Date company informed

4 January 2007


12)  Total holding following this notification

24,228,252


13)  Total percentage holding of issued class following this notification

            3.043%



14)    Any additional information


15)  Name of contact and telephone number for queries

Steve Devany, Vice President - Communications

020 7821 3758


16)  Name of company official responsible for
     making this notification

Emma Sullivan, Assistant Secretary


     Date of notification:  4 January 2007


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