Holding(s) in Company

RNS Number : 9249O

Gresham Computing PLC

16 March 2009

TR-1(i): NOTIFICATION OF MAJOR INTERESTS IN SHARES

1. Identity of the issuer or the underlying issuer of existing shares to which voting rights are attached (ii): Gresham Computing PLC
2. Reason for the notification (please state Yes/No):
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: ( )
An event changing the breakdown of voting rights: ( )
Other (please specify) : ( )
3. Full name of person(s) subject to the notification obligation (iii): THE NORTHWESTERN MUTUAL LIFE INSURANCE COMPANY FOR ITS GENERAL ACCOUNT NORTHWESTERN MUTUAL SERIES FUND INC - ASSET ALLOCATION FUND NORTHWESTERN MUTUAL SERIES FUND INC - BALANCED FUND NORTHWESTERN MUTUAL SERIES FUND INC - INTERNATIONAL GROWTH FUND MASON STREET ADVISORS LLC
4. Full name of shareholder(s) (if different from 3.) (iv): THE NORTHWESTERN MUTUAL LIFE INSURANCE COMPANY FOR ITS GENERAL ACCOUNT NORTHWESTERN MUTUAL SERIES FUND INC - ASSET ALLOCATION FUND NORTHWESTERN MUTUAL SERIES FUND INC - BALANCED FUND NORTHWESTERN MUTUAL SERIES FUND INC - INTERNATIONAL GROWTH FUND
5. Date of the transaction (and date on which the threshold is crossed or reached if different) (v): 11 March 2009
6. Date on which issuer notified: 13 March 2009
7. Threshold(s) that is/are crossed or reached: 3%
8. Notified details:
A: Voting rights attached to shares
Class/type of shares if possible using the ISIN CODE	Situation previous to the Triggering transaction (vi)
GB0008808825	Number of shares 1,589,333	Number of voting Rights (viii) 1,589,333

Resulting situation after the triggering transaction (vii)
Class/type of shares if possible using the ISIN CODE	Number of shares	Number of voting rights (ix)		% of voting rights
GB0008808825	Direct 1,406,833	Direct (x) 1,406,833	Indirect (xi)	Direct 2.66%	Indirect

B: Financial Instruments
Resulting situation after the triggering transaction (xii)
Type of financial instrument	Expiration Date (xiii)	Exercise/Conversion Period/ Date (xiv) N/A	Number of voting rights that may be acquired if the instrument is exercised/ converted.	% of voting rights

Total (A+B)
Number of voting rights 1,406,833	% of voting rights 2.66%

9. Chain of controlled undertakings through which the voting rights and/or the financial instruments are effectively held, if applicable (xv):
MASON STREET ADVISORS LLC, A LIMITED LIABILITY COMPANY ORGANIZED UNDER THE LAWS OF DELAWARE, IS A REGISTERED INVESTMENT ADVISER UNDER THE INVESTMENT COMPANY ACT 1940 AND IS A WHOLLY OWNED SUBSIDIARY OF THE NORTHWESTERN MUTUAL LIFE INSURANCE COMPANY. MASON STREET ADVISORS LLC HAS ENTERED INTO INVESTMENT ADVISORY AGREEMENTS WITH THE SHAREHOLDERS LISTED BELOW, PURSUANT TO WHICH IT VOTES (OR INSTRUCTS THE CUSTODIAN HOW TO VOTE) THE SHARES OF THE ISSUER.

THE SHAREHOLDERS AND THE NUMBER OF SHARES OF THE ISSUER HELD BY EACH, RESPECTIVELY, AFTER GIVING EFFECT TO THE TRIGGERING TRANSACTION, ARE:

THE NORTHWESTERN MUTUAL LIFE INSURANCE COMPANY FOR ITS GENERAL ACCOUNT: 1,019,321
NORTHWESTERN MUTUAL SERIES FUND INC - ASSET ALLOCATION FUND: 30,300
NORTHWESTERN MUTUAL SERIES FUND INC - BALANCED FUND: 168,262

NORTHWESTERN MUTUAL SERIES FUND INC - INTERNATIONAL GROWTH FUND: 188,950

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 on which proxy holder will cease to hold voting rights:

N/A

13. Additional information:

N/A

14. Contact name:

Chris Errington