Holding(s) in Company

Holding(s) in Company

Centrica PLC

12 May 2011

CENTRICA PLC

Notification of Major Interests in Shares

Centrica plc (“the Company”) received notice on 12 May 2011 (under the obligations imposed by Section 5 of the FSA's Disclosure & Transparency Rules), that on 6 May 2011, INVESCO Limited had a notifiable interest in 258,200,185 ordinary shares of 6^14/81 pence each in the Company, representing approximately 5.00% of the Company’s issued share capital.

The voting rights of these shares are held through INVESCO Limited and the interests of INVESCO include interests of its group companies which are shown below:

Registered holder	Â	No. of shares held
Allianz Global (Frankfurt)   Brown Brothers Harriman (New Jersey)   Bank of Ireland (Dublin)   Bank of New York   Bank of New York (Frankfurt)   Bank of New York Mellon   Bank of New York (Singapore)   Chase Bank Hong Kong   JP Morgan Chase   Chase (Frankfurt)   DGZ Deka Bank, Frankfurt   Erst Group Bank AG (Austria)   HSBC Bank plc London   Japan Trustee Services Bank   Mellon Bank, Pittsburgh   Master Trust Bank JP   State Street Trust & Banking Co (Boston)   State Street Trust & Banking Co (Hong Kong)   State Street Trust & Banking Co (London)   Trust & Custody Services JP   Northern Trust Company Limited   Vorarlberger Landes-und Hypothekenbk Akti   Invesco Trimark Limited & Invesco Advisers Inc   Invesco Advisers Inc   Van Kampen Asset Management Inc   Invesco PowerShares Capital Management Limited   ADR’s Ratio 4:1		367,004   268,323   514,814   178,152,429   273,246   5,161,809   125,812   368,239   485,761   262,001   106,808   14,434   2,844,938   450,050   586,843   43,931   140,240   13,750   28,664,651   13,803   788,544   81,831   1,455,830   29,751,186   2,477,649   134,174   4,597,196

Enquiries:
Luke Thomas
Deputy Secretary, Centrica plc
01753 494012