LOG.L Regulatory News (LOG)

18 Aug 2008 13:00

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 (delete as appropriate):

An acquisition or disposal of voting rights

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

Aviva plc & its subsidiaries

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

BNY Norwich Union Nominees Ltd BT Globenet Nominees Ltd Chase GA Group Nominees Ltd Chase Nominees Ltd CUIM Nominee Ltd Vidacos Nominees Ltd BNP Paribas - London Delta Lloyd Nederland Fonds NV (Dutch Listing held) State Street Nominees Limited

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

13 August 2008

6. Date on which issuer notified:

15 August 2008

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

6% to 5% - Change at direct interest level

8. Notified details:

A: Voting rights attached to shares

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

GB0005227086 (SEDOL 0522708)

Situation previous to the triggering transaction

Number of shares: 132,606,957 Number of voting rights: 132,606,957

Resulting situation after the triggering transaction

Number of shares (direct): 86,845,263 Number of voting rights (direct): 86,845,263 Number of voting rights (indirect): 33,671,057 % of voting rights (direct): 5.94% % of voting rights (indirect): 2.30%

B: Financial Instruments

Resulting situation after triggering transaction

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: 120,516,320 % of voting rights: 8.24%

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

Name of company/fund Number of % of issued shares share capital BNY Norwich Union Nominees Ltd Direct 20,718,489 1.4163

BT Globenet Nominees Ltd Direct 17,622 0.0012 Chase GA Group Nominees Ltd Direct 47,171,045 3.2245 Chase Nominees Ltd Direct 5,457,062 0.3730 CUIM Nominee Ltd Direct 13,333,234 0.9114 Vidacos Nominees Ltd Direct 147,811 0.0101 BNP Paribas - London Indirect 438,817 0.0300 Chase Nominees Ltd Indirect 17,114,528 1.1699 Delta Lloyd Nederland Fonds NV (Dutch Indirect 1,246,356 0.0852listing held) State Street Nominees Ltd Indirect 6,160,500 0.4211 Vidacos Nominees Limited Indirect 8,710,856 0.5955 Total Direct 86,845,263 5.9365 Total Indirect 33,671,057 2.3017 TOTAL 120,516,320 8.2382Proxy voting:

10. Name of the proxy holder:

--

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

--

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

--

13. Additional information:

Figures are based on a total number of voting rights of 1,462,900,966

14. Contact name:

T L Egan, Assistant Company Secretary, Logica plc

15. Contact telephone number:020 7446 4628Date: 18 August 2008