Holding(s) in Company

Centrica PLC

CENTRICA PLC

Notification of Major Interests in Shares

Centrica plc (â€œthe Companyâ€) received notice on 7 June 2010 (under the obligations imposed by Section 5 of the FSA's Disclosure & Transparency Rules), that on 2 June 2010, INVESCO Limited had a notifiable interest in 259,086,085 ordinary shares of 6^14/81 pence each in the Company, representing approximately 5.03% of the Companyâ€™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	Â	No. of shares held
			Â
Invesco Advisers Inc			27,125,153
			Â
Invesco Trimark & Invesco Advisers Inc			4,684,026
			Â
Invesco Asset Management Japan & Invesco Advisers Inc			169,881
			Â
Invesco Asset Management Limited			54,799,452
			Â
Invesco Hong Kong			592,646
			Â
Invesco Asset Management Japan Ltd			13,803
			Â
Invesco Asset Management S.A France			615,096
			Â
Invesco Fund Managers Limited			161,142,610
			Â
Invesco Asset Management Ltd & Invesco Asset Management Japan			602,638
			Â
Invesco Asset Management & Invesco Asset Management Ireland			1,517,163
			Â
Invesco GT Management S.A			27,967
			Â
Invesco Asset Management Ltd & Invesco Advisers Inc			26,290
			Â
Invesco GT Management S.A Lux & Invesco Advisers Inc			279,832
			Â
Invesco Powershares Capital Management Ireland			27,074
			Â
Invesco PowerShares Capital Management LLC Ltd			122,878
			Â
Invesco Asset Management Dublin			2,340,572
			Â
ADRâ€™s Ratio 5:1			4,999,004