Name of exempt principal trader

Citigroup Global Markets UK Equity Limited

Company dealt in

British Energy Plc

Class of relevant security to which the dealings being disclosed relate (Note 1)

Ord/Equity

Date of dealing

13 May 2008

Total number of securities purchased

Highest price paid (Note 3)

Lowest price paid (Note 3)

874,460

GBP 7.1300

GBP 6.8050

Total number of securities sold

Highest price received (Note 3)

Lowest price received (Note 3)

375,440

GBP 7.0100

GBP 6.8050

Product name, 

e.g. CFD

Long/short (Note 4)

Number of securities (Note 5)

Price per unit (Note 3)

Product name,

e.g. call option

Writing, selling, purchasing, varying etc.

Number of securities to which the option relates (Note 5)

Exercise

price 

Type, e.g. American, European etc.

Expiry 

date

Option money

paid/received per unit (Note 3)

Product name, e.g. call option

Number of securities 

Exercise price per unit (Note 3)

Full details of any agreement, arrangement or understanding between the person disclosing and any other person relating to the voting rights of any relevant securities under any option referred to on this form or relating to the voting rights or future acquisition or disposal of any relevant securities to which any derivative referred to on this form is referenced. If none, this should be stated.  

Date of disclosure

15 May 2008

Contact name

Ciaran Lavery

Telephone number

02890 409539

Name of offeree/offeror with which connected

British Energy Plc

Nature of connection (Note 6)

Corporate Broker