TR-1: Notifications of Major Interests in Shares

1: Identity of the issuer or the underlying issuer of existing shares to which voting rights are attached:

Invensys plc

2: Reason for notification (yes/no)
An acquisition or disposal of voting rights		no
An acquisition or disposal of qualifying financial instruments which may result in the acquisition of shares already issued to which voting rights are attached		no
An acquisition or disposal of instruments with similar economic effect to qualifying financial instruments		yes
An event changing the breakdown of voting rights		no
Other (please specify):		no

3. Full name of person(s) subject to the notification obligation:	TPG-AXON MANAGEMENT LP
4. Full name of shareholder(s) (if different from 3.):	N/A
5. Date of the transaction (and date on which the threshold is crossed or reached):	05 July 2011
6. Date on which issuer notified:	06 July 2011
7. Threshold(s) that is/are crossed or reached:	3%

8: Notified Details
A: Voting rights attached to shares
Class/type of share If possible use ISIN code

Situation previous to the triggering transaction
Number of shares		Number of voting rights


Resulting situation after the triggering transaction
Number of shares	Number of voting rights		Percentage of voting rights
	Direct	Indirect	Direct	Indirect

B: Qualifying Financial Instruments
Resulting situation after the triggering transaction
Type of financial instrument	Expiration date	Exercise/ conversion period/date	No. of voting rights that may be acquired (if the instrument exercised/converted)	Percentage of voting rights

C: Financial Instruments with similar economic effect to Qualifying Financial Instruments
Resulting situation after the triggering transaction
Type of financial instrument	Exercise price	Expiration date	Exercise/ Conversion period	Number of voting rights instrument refers to	% of voting rights
CFD	N/A		N/A	25,220,271	Nominal	Delta
					3.106%	N/A

9. Chain of controlled undertakings through which the voting rights and/or the
financial instruments are effectively held, if applicable:

Proxy Voting:

10. Name of the proxy holder:

11. Number of voting rights proxy holder will cease to hold:

12. Date on which proxy holder will cease to hold voting rights:

13. Additional information:

14. Contact name:

Steve Devany, Head of Corporate Communications

15. Contact telephone number:

020 3155 1301

Holding(s) in Company