Holding(s) in Company

RNS Number : 5973Y
Newport Networks Group PLC
08 July 2008

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):
Newport Networks Group PLC ordinary shares of 0.1 pence each

2. Reason for the notification (please state Yes/No):

Acquisition of voting rights

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

Barclays PLC

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

Barclays Stockbrokers Ltd

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

07 July 2008

6. Date on which issuer notified:

08 July 2008

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

9% to 10%

8. Notified details:

A: Voting rights attached to shares

Class /type of shares Situation Previous to the Triggering Resulting situation after the Triggering Transaction vii
Transaction
If possible using the ISIN Number of Shares Number of voting Number of Shares Number of voting Rights iv % of voting
Rights
CODE Rightsviii
Direct x Indirect xi Direct
Indirect

GB00B00ST620 36,537,943 36,537,943 37,247,943 0 37,247,943 0
10.16
Ord 0.1p
B00ST62

B: Financial Instruments

Resulting situation after the triggering transaction (xii)

Type of Expiration Datexiii Exercise Number of voting % of voting
financi Conversio Rights that may be Rights
al n Period Acquired if the
instrum / Date instrument is
ent xiv exercised/converted.

n/a

Total (A+B)

Number of voting rights % of voting rights
37,247,943 10.16

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

Barclays Stockbrokers Ltd

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:

14. Contact name:

Geoff Smith