TR-1: NOTIFICATION OF MAJOR INTERESTS IN SHARES

1. Identity of the issuer or the underlying issuer of existing shares to which voting rights are attached:

Logica plc (ISIN: GB0005227086)

2. Reason for the notification:

- An acquisition or disposal of voting rights

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

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

23 June 2008

6. Date on which issuer notified:

26 June 2008

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

3.99%

8. Notified details:

A: Voting rights attached to shares

Class/type of shares (if possible using the ISIN CODE):

Ordinary shares GB0005227086

Situation previous to the triggering transaction

Number of shares: 58,979,634 Number of voting rights: 58,979,634

Resulting situation after the triggering transaction

Number of shares: 54,258,345 Number of voting rights (direct): 54,258,345 Number of voting rights (indirect): -- % of voting rights (direct): 3.70% % of voting rights (indirect): --

B: Financial Instruments

Resulting situation after triggering transaction

Type of financial instrument: Option Expiration date: 19/09/2008 Exercise/Conversion Period/Date: --

Number of voting rights that may be acquired if the 4,200,000 instrument is exercised/converted:

% of voting rights: 0.29% Total (A+B) Number of voting rights: 58,458,345 % of voting rights: 3.99%

9. Chain of controlled undertakings through which the voting rights and/or the financial instruments are effectively held, if applicable:

n/a Proxy voting: 10. Name of the proxy holder: n/a

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

n/a

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

n/a 13. Additional information: n/a 14. Contact name:

Josephine Gomm, Deputy Company Secretary, Logica plc

15. Contact telephone number:

020 7446 1805

Date: 27 June 2008