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Pipex Communications PLC
21 December 2006

NOTIFICATION OF MAJOR INTERESTS IN SHARES


1. Name of company

Pipex Communications plc

2. Name of shareholder having a major interest

UBS AG

3. Please state whether notification indicates that it is in respect of holding of the shareholder
named in 2 above or in respect of a non-beneficial interest or in the case of an individual holder
if it is a holding of that person's spouse or children under the age of 18.

As in 2 above

4. Name of the registered holder(s) and, if more than one holder, the number of shares held by each
of them

UBS AG London Branch 373,343,679
UBS Global Asset Management (Life) Limited 40,787,822

UBS AG (Switzerland) 35,137,980*

UBS Wealth Management (UK) Limited 518,000*

* non-material


5. Number of shares/amount of stock acquired

N/A

6. Percentage of issued class

N/A

7. Number of shares/amount of stock disposed

N/A

8. Percentage of issued class

N/A

9. Class of security

Ordinary Shares of 1p each

10. Date of transaction

19th December 2006

11. Date company informed

20th December 2006

12. Total holding following this notification

449,787,481

13. Total percentage holding of issued class following this notification

18.80%

14. Any additional information

The above is based upon the current issued share capital of the Company
which is 2,393,074,923 Ordinary Shares of 1p each.

15. Name of contact and telephone number for queries

Stewart Porter 01296 300 081

16. Name and signature of authorised company official responsible for making
this notification.

Stewart Porter, Finance Director



Date of notification: 21st December 2006




This information is provided by RNS
The company news service from the London Stock Exchange