?
TR-1: NOTIFICATION OF MAJOR INTEREST 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 the notification (please tick the appropriate box or boxes):
An acquisition or disposal of voting rights
Yes
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
No
An event changing the breakdown of voting rights
No
Other (please specify):
No
3. Full name of person(s) subject to the
notification obligation:Ameriprise Financial, Inc. and its group
4. Full name of shareholder(s)
(if different from 3.):Refer to end of announcement.
5. Date of the transaction and date on
which the threshold is crossed or
reached:
10 May 2010
6. Date on which issuer notified:
11 May 2010
7. Threshold(s) that is/are crossed or
reached:
Below threshold of 5%
8. Notified details:
A: Voting rights attached to shares
Class/type of
shares
if possible using
the ISIN CODESituation previous
to the triggering
transactionResulting situation after the triggering transaction
Number
of
SharesNumber
of
Voting
Rights
Number
of sharesNumber of voting
rights% of voting rights
Direct
Indirect
Direct
Indirect
US461204289
N/A
0
0
550
0.000%
0.000%
GB00B19DVX61
1,360,180
1,293,489
1,293,489
36,861,808
0.160%
4.565%
B: Qualifying Financial Instruments
Resulting situation after the triggering transaction
Type of financial
instrument
Expiration
date
Exercise/
Conversion PeriodNumber of voting
rights that may be
acquired if the
instrument is
exercised/ converted.
% 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
82,910
Nominal
Delta
0.010%
Total (A+B+C)
Number of voting rights
Percentage of voting rights
38,238,757
4.735%
9. Chain of controlled undertakings through which the voting rights and/or the
financial instruments are effectively held, if applicable:
Ameriprise Financial, Inc., which through intermediate holding companies controls the voting rights of Colombia Management Investment Advisers, Columbia Wanger Asset Management, Threadneedle Management Luxembourg S.A. and Threadneedle Asset Management Holdings Ltd, which itself controls the voting rights of Threadneedle Asset Management Ltd, Threadneedle International Ltd and Threadneedle Pensions Ltd.
Proxy Voting:
10. Name of the proxy holder:
N/A
11. Number of voting rights proxy holder will cease
to hold:N/A
12. Date on which proxy holder will cease to hold
voting rights:N/A
13. Additional information:
14. Contact name:
Steve Devany, Head of Corporate Communications
15. Contact telephone number:
020 7821 3758
Registered owner:
Columbia Management Investment Advisors
A/c
550
Chase Nominees Ltd
A/c 41407
1,250,000
KDTC KAS Depositary Trust Company
A/c 22.36.31.213
265,000
Ameriprise Financial Inc
A/c
176,326
Royal Trust Corp of Canada
A/c 719306
169,997
HSBC Global Custody Nominees (UK) Ltd
A/c 2456820
138,399
Morgan Stanley Nominees Limited
A/c 36199142
75,000
Morgan Stanley Nominees Limited
A/c 04F607602
7,910
Littledown Nominees Ltd
A/c 02891
15,413,010
The Bank Of New York ( Nominees ) Limited
A/c 52260
444,305
The Bank Of New York ( Nominees ) Limited
A/c 52266
114,562
The Bank Of New York ( Nominees ) Limited
A/c 52286
775,516
Littledown Nominees Ltd
A/c 07198
1,184,082
Littledown Nominees Ltd
A/c 27642
109,407
Littledown Nominees Ltd
A/c 10478
44,934
Littledown Nominees Ltd
A/c 10479
21,475
Littledown Nominees Ltd
A/c 07205
1,063,127
Littledown Nominees Ltd
A/c 21688
312,239
Littledown Nominees Ltd
A/c 07207
2,579,880
Littledown Nominees Ltd
A/c 07196
153,806
Littledown Nominees Ltd
A/c 07199
85,238
Roy Nominees
A/c 104450
287,151
Mellon Nominees (UK) Ltd
A/c WWSF0004002
1,271,401
Littledown Nominees Ltd
A/c 18668
236,903
Littledown Nominees Ltd
A/c 10496
2,169,077
Littledown Nominees Ltd
A/c 10488
5,752,535
Littledown Nominees Ltd
A/c 10489
1,097,711
Littledown Nominees Ltd
A/c 30337
209,042
Littledown Nominees Ltd
A/c 31348
458,781
Littledown Nominees Ltd
A/c 02642
2,371,393
This information is provided by RNSThe company news service from the London Stock ExchangeENDHOLSFWFDEFSSEII