Announcements

Northern Investors Company PLC.


RNS Number:4347Z
Northern Investors Co PLC
07 March 2006


SCHEDULE 10

NOTIFICATION OF MAJOR INTERESTS IN SHARES


1) NAME OF COMPANY

NORTHERN INVESTORS COMPANY PLC

2) NAME OF SHAREHOLDER HAVING A MAJOR INTEREST

RIO TINTO PENSION INVESTMENTS LIMITED

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.

HSBC GLOBAL CUSTODY NOMINEE (UK)
LIMITED 810313 A/C

5) Number of shares/amount of stock acquired.


6) Percentage of issued Class (any treasury shares held by the
listed company should not be taken into account when
calculating percentage)


7) Number of shares/amount of stock disposed

400,000

8) Percentage of issued Class (any treasury shares held by the
listed company should not be taken into account when
calculating percentage)

2.03%

9) Class of security

ORDINARY SHARES OF 25P

10) Date of transaction

6 MARCH 2006

11) Date company informed

7 MARCH 2006

12) Total holding following this notification

323,044

13) Total percentage holding of issued class following this notification (any
treasury shares held by the listed company should not be taken into account
when calculating percentage)

1.64%

14) Any additional information


15) Name of contact and telephone number for queries

CHRISTOPHER MELLOR
0191 244 6012

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

Date of Notification ....7 MARCH 2006.................


Letter to Northern Investors Company Plc

COMPANIES ACT 1985
SECTION 198 - INTEREST IN SHARES


We wish to inform you that as a result of a sale of 400,000 ordinary shares on
6 March 2006, Rio Tinto Pension Investments Limited, the pension subsidiary of
Rio Tinto plc, no longer has a notifiable interest in the shares of your
company.


This notification is given on behalf of Rio Tinto Pension Investments Limited
and Rio Tinto plc. Both companies are incorporated in England.

For and on behalf of Rio Tinto plc


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

END

HOLUBRVRNBRORAR