Holding(s) in Company

Holding(s) in Company

Centrica PLC

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:			Â	Centrica plc
2. Reason for notification (yes/no)
An acquisition or disposal of voting rights					Â	Yes
An acquisition or disposal of financial instruments which may result in the acquisition of shares already issued to which voting rights are attached						Â
An event changing the breakdown of voting rights						Â
Other (please specify):						Â
3. Full name of person(s) subject to notification obligation:	Â	INVESCO LIMITED
4. Full name of shareholder(s) (if different from 3):		Â
5. Date of transaction (and date on which the threshold is crossed or reached if different):		2 October 2009
6. Date on which issuer notified:		9 October 2009
7. Threshold(s) that is/are crossed or reached:		5%, 4%

8: Notified Details

A: Voting rights attached to shares

Class/type of shares If possible use ISIN code

Â

Situation previous to the triggering transaction

Â

Resulting situation after the triggering transaction

Number of shares

Â

Number of voting rights

Number of shares

Â

Number of voting rights

Â

Percentage of voting rights

Direct

Â

Indirect

Direct

Â

Indirect

Ordinary 6 14/81p Shares (GB00B033F229)

256,295,641

256,295,641

256,480,467

Â

256,480,467

Â

4.99%

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

Total (A+B)
Number of voting rights	Â	Percentage of voting rights
256,480,467		4.99%

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

Brown Brothers Harriman (New Jersey) – 832,376   Bank of Ireland (Dublin) - 809,855   Bank of New York – 163,670,467   Banque Paribas - 368,668   Banque Paribas (Frankfurt) – 100,302   Bank of New York (Brussels) - 98,310   Bank of New York (Singapore) - 125,812   Boston Safe Deposit – 129,650   Chase Bank (Hong Kong) - 295,988   JP Morgan Chase - 3,829,338   Chase (Frankfurt) – 32,608   Erste Group Bank AG (Austria) – 11,797   HSBC Bank (London) - 2,760,897   Japan Trustee Services Bank - 378,038   Mellon Bank (Pittsburgh) - 1,100,700   Master Trust Bank (Japan) – 295,380   Nomura Trust & Banking (Japan) – 140,795   State Street (Sydney) - 13,750   State Street (London) - 24,311,101   Trust & Custody Services (Japan) - 10,317   Northern Trust Company (London) - 1,832,883   Invesco PowerShares Capital Management Limited – 55,899   Other - 55,275,536

Proxy Voting:
10. Name of proxy holder:	Â	Â
11. Number of voting rights proxy holder will cease to hold:		Â
12. Date on which proxy holder will cease to hold voting rights:		Â

13. Additional information:	Â	Â
14 Contact name:		Paul Moore
15. Contact telephone number:		01753 494 012