Holding(s) in Company

i) Full name of Persons subject to the notification obligation

BlackRock, Inc.

ii)Full name of shares holders (if different from i)

n/a

iii) Date of Transaction

23 February 2011

iv) Date issuer was notified

24 February 2011

v) Threshold that was crossed

Holding has gone above 17%

vi) Situation previous to the triggering transaction

Number of shares

82,396,786

Number voting rights

82,396,786

vii) Resulting situation after the triggering transaction

Number of voting rights

90,127,433

(indirect)

% of voting rights

14.49%

viii) Financial instruments with similar economic effect to Qualifying Financial Instruments - Resulting situation after the triggering transaction

Type of financial instrument

CFD

Number of voting rights instrument refers to

17,321,550

% of voting rights

2.79% (Nominal)

2.79% (Delta)

ix) Total

Number of voting rights

107,448,983

Percentage of voting rights

17.28%

x) Chain of controlled undertakings through which the voting rights and/or the financial instruments are effectively held

BlackRock Investment Management (UK) Limited - 107,448,983 (17.28%)

xi) Additional information

BlackRock Threshold Reporting Team

xii) Contact Name

Andrew Manchester

xiii) Contact telephone number:

020 7743 5741;

[email protected]