Holding(s) in Company

Posted 17 January 2007
Invensys PLC
17 January 2007

                                  SCHEDULE 10

                   NOTIFICATION OF MAJOR INTERESTS IN SHARES


1)   Name of company

Invensys plc

2)   Name of shareholder having a major interest

The Capital Group Companies, Inc.


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 The Capital Group Companies, Inc. on behalf of its
affiliates, including Capital Guardian Trust Company, Capital International
Limited, Capital International S.A., and Capital International, Inc.  These
holdings form part of funds managed on behalf of investment clients.



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



Capital Guardian Trust Company:

State Street Nominees Limited              93,962

Chase Nominees Limited                  1,275,273

Midland Bank plc                           79,800

Nortrust Nominees                         240,604



Capital International Limited:

State Street Nominees Limited             224,071

Bank of New York Nominees               7,518,534

Northern Trust                          2,829,491

Chase Nominees Limited                  3,993,078

Midland Bank plc                          395,883

Bankers Trust                             247,428

Citibank London                           120,624

Morgan Guaranty                           270,429

Nortrust Nominees                       4,773,591

MSS Nominees Limited                       40,432

State Street Bank & Trust Co            1,830,310

Lloyds Bank                                25,900

Citibank                                  140,363

Citibank NA Toronto                        57,890

HSBC Bank plc                             565,171

Mellon Bank N.A.                          173,236

KAS UK                                     78,246

Mellon Nominees (UK) Limited              144,007

Bank One London                           169,947

JP Morgan Chase Bank                       88,956

Fortis Bank                                11,046

Nordea Bank                               100,743

Bayerische Hypo Und Vereinsbank AG         38,500





Capital International S.A.:

State Street Nominees Limited              43,400

Midland Bank plc                           66,458

Pictec & Cie, Geneva                       98,627

Nortrust Nominees                          27,314

Morgan Stanley                             19,066

Lloyds Bank                                48,870

Citibank NA Toronto                        25,434

HSBC Bank plc                             329,280

Lombard Odier Et Cie, Geneva              275,856

Metzler Seel Sohn & Co.                    33,600



Capital International, Inc.:

State Street Nominees Ltd                 116,788

Bank of New York Nominees                 433,868

Chase Nominees Limited                  1,670,066

State Street Bank & Trust Co.             443,450

Citibank NA Toronto                        68,538

HSBC Bank plc                              45,794


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

15 January 2007


11)  Date company informed

17 January 2007

12)  Total holding following this notification

29,273,924


13)  Total percentage holding of issued class following this notification

3.677%



14)    Any additional information

On 26 October 2006, Invensys plc was notified that on 20 October 2006, The
Capital Group Companies, Inc. held a 3.979% interest in the issued share capital
of the Company, of which 3.253% was held by Capital International Ltd (an
affiliate). As of 15 January 2007, Capital International Ltd no longer has a
notifiable interest in its own right (thus prompting notification).


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

Jaime Tham, Assistant Secretary


     Date of notification:  17 January 2007


                      This information is provided by RNS
            The company news service from the London Stock Exchange