Northern Inv. Co PLC – Major Interests in Shares

14th May 2007

RNS Number:6493W
Northern Investors Co PLC
15 May 2007

Form TR-1 with annex. FSA Version 2.1 updated April 2007

TR-1: Notifications of Major Interests in Shares

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

2. Reason for notification (yes/no)

An acquisition or disposal of voting rights

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):__1st notification under new rules____________ YES

3. Full name of person(s) subject to notification Middlesbrough
obligation: Borough Council

4. Full name of shareholder(s) (if different from 3): Nortrust Nominees
ltd manvote a/c

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

6. Date on which issuer notified: 15th May 2007

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

8: Notified Details

A: Voting rights attached to shares

Class/type Situation previous to Resulting situation after the triggering
of shares the triggering transaction
If possible
use ISIN
Number of Number of Number of Number of voting Percentage of
shares voting shares rights voting rights

GB00bo8sk430 2575620 2575620 2575620
2575620 13.06%
Direct Indirect Direct Indirect

B: Financial Instruments

Resulting situation after the triggering transaction

Type of Expiration Exercise/ No. of voting rights that may Percentage
financial date conversion be acquired (if the instrument of voting
instrument period/date exercised/converted) rights

Total (A+B)
Number of voting rights Percentage of voting rights

2,575,620 13.06%

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

Proxy Voting:

10. Name of 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: Andy Hill

15. Contact telephone name: 01642 729023

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