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):		25 January 2010
6. Date on which issuer notified:		28 January 2010
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)

256,930,497

256,930,497

Â

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256,344,119

Â

4.99%

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

C: Financial Instruments with similar economic effect to Qualifying Financial Instruments xv, xvi

Resulting situation after the triggering transaction

Type of financial instrument

Â

Exercise price

Â

Exercise Date

Â

Exercise/ conversion period

Â

No. of voting rights instrument refers to

Â

Percentage of voting rights

Â

Â

Â

Â

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Nominal

Â

Delta

Â

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Total (A+B+C)
Number of voting rights	Â	Percentage of voting rights
256,344,119		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) – 705,786   Bank of Ireland (Dublin) - 941,086   Bank of New York – 179,923,114   Banque Paribas - 975,001   Banque Paribas (Frankfurt) – 100,302   Bank of New York (Singapore) - 125,812   Boston Safe Deposit – 219,861   Chase Bank (Hong Kong) - 339,441   JP Morgan Chase - 6,786,822   HSBC Bank (London) - 2,679,250   Japan Trustee Services Bank - 385,290   Mellon Bank (Pittsburgh) - 1,013,280   Master Trust Bank (Japan) – 393,394   Nomura Trust & Banking (Japan) – 139,976   State Street (Sydney) - 13,750   State Street (London) - 25,653,717   Trust & Custody Services (Japan) - 11,914   Northern Trust Company (London) - 1,475,800   Invesco PowerShares Capital Management Limited – 109,743   Other - 27,878,292

Proxy Voting:
10. Name of proxy holder:	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:		Luke Thomas
15. Contact telephone number:		01753 494 012