Director/PDMR Shareholding

Invensys PLC
23 March 2007

                   NOTIFICATION OF TRANSACTIONS OF A DIRECTOR



1. Name of company

Invensys plc



2. Type of transaction

The notification relates to a transaction notified in accordance with DTR 3.1.4R
(1)(a)



3. Name of Director

Martin Jay



4. Connected person

Notification relates to Mr Jay and his spouse, Dr Sandra Jay



5. Indicate whether the notification is in respect of a holding of the person
referred to in 3 or 4 above or in respect of a non-beneficial interest

Notification relates to the Director named in 3 above and his spouse, Dr Sandra
Jay



6. Description of shares (including class)

Ordinary shares of nominal value 10p each



7. Name of registered shareholders(s) and, if more than one, the number of
shares held by each of them

Natwest PEP Nominees Limited



8. State the nature of the transaction

Share purchase



9. Number of shares acquired

Martin Jay - 2,436 Ordinary shares of nominal value 10p each

Dr Sandra Jay - 2,436 Ordinary shares of nominal value 10p each



10. Percentage of issued class acquired

0.0006



11. Number of shares, debentures or financial instruments relating to shares
disposed



12. Percentage of issued class disposed



13. Price per share or value of transaction

282.978p



14. Date and place of transaction

22 March 2007, UK



15. Total holding following notification and total percentage holding following
notification

Martin Jay - 7,102 Ordinary shares of nominal value 10p each (0.0009%)

Dr Sandra Jay - 2,436 Ordinary shares of nominal value 10p each (0.0003%)



16. Date issuer informed of transaction

22 March 2007



If a person discharging managerial responsibilities has been granted options by
the issuer complete the following boxes



17 Date of grant



18. Period during which or date on which it can be exercised



19. Total amount paid (if any) for grant of the option



20. Description of shares or debentures involved (class and number)



21. Exercise price (if fixed at time of grant) or indication that price is to be
fixed at the time of exercise



22. Total number of shares or debentures over which options held following
notification



23. Any additional information



24. Name of contact and telephone number for queries

Steve Devany, Vice President - Communications 020 7821 3758



25. Name of company official responsible for making this notification

Jaime Tham, Assistant Secretary



Date of notification

23 March 2007




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