2. Reason for the notification

An acquisition or disposal of voting rights

Yes

An acquisition or disposal of financial instruments which may result in the acquisition of shares already issued to which voting rights are attached

No

An event changing the breakdown of voting rights

No

Other (please specify):  N/A

No

3. Full name of person(s) subject to the notification obligation:

UBS Investment Bank

4. Full name of shareholder(s) (if different from 3.):

UBS AG London Branch

5. Date of the transaction (and date on which the threshold is crossed or reached if different):

02-08-2007

6. Date on which issuer notified:

06-08-2007

7. Threshold(s) that is/are crossed or reached:

9.82%

8. Notified details:

See below

Class/type of shares
 if possible using the ISIN CODE

Situation previous to
the Triggering
transaction

Resulting situation after the triggering
transaction

Number
of
Shares

Number
of Voting
Rights

Number
of
shares

Number of voting
rights

% of voting
rights

Direct

Indirect

Direct

Indirect

GB0000444736

89,771,774

89,771,774

79,681,282

79,681,282

n/a

9.82%

n/a

Type of financial
instrument

Expiration
date

Exercise/
Conversion
Period/Date

Number of voting
rights that may be
acquired if  the instrument
is exercised/converted

% of voting
rights

Total (A+B)

Number of voting rights

% of voting rights

79,681,282

9.82%

UBS AG London Branch – 79,681,282 – 9.82%

10. Name of the proxy holder:

N/A

11. Number of voting rights proxy holder will cease to hold:

N/A

12. Date on which proxy holder will cease to hold voting rights:

N/A

13. Additional information:

N/A

14. Contact name:

Susanne Steyn

Director, UBS AG

15. Contact telephone number:

020-7567-6116