Holding in Company

IMI PLC
17 January 2001


                  DEALINGS BY SUBSTANTIAL SHAREHOLDERS


1)   NAME OF COMPANY

IMI PLC

2)   NAME OF SHAREHOLDER HAVING A MAJOR INTEREST

LEGAL & GENERAL INVESTMENT MANAGEMENT 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

BENEFICIAL

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

SEE BELOW

5)   Number of shares/amount of stock acquired.



6)   ( N/A %) of issued Class

7)   Number of shares/amount of stock disposed

257,922

8)   (2.93%) of issued Class

9)   Class of security

ORDINARY SHARES

10)  Date of transaction



11)  Date company informed

15 JANUARY 2001

12)  Total holding following this notification

10,332,708
               
              
13)  Total percentage holding of issued class following this notification

2.93%

14)  Any additional information

LEGAL & GENERAL HAVE NOTIFIED THE COMPANY THAT THEIR INTEREST HAS NOW FALLEN
JUST BELOW 3%.

15)  Name of contact and telephone number for queries

JOHN O' SHEA
0121 356 4848    EXR: 4354

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

     Date of Notification ......17.01.01...........



Letter to  IMI Plc
Dated 9 January 2001

Companies Act 1985 - Disclosure of Interest in shares

Consequent upon a sale in the market of 250,000 shares on the 08 January 2001,
we how hold the following number of shares which are not subject to a concert
party and will be registered as follows:


Material Interest

HSBC Global Custody Nominee (UK) Ltd A/c 775245               2,495,778
HSBC Global Custody Nominee (UK) Ltd A/c 361602                  49,000
HSBC Global Custody Nominee (UK) Ltd A/c 754612                 359,000
HSBC Global Custody Nominee (UK) Ltd A/c 766793                  23,000
HSBC Global Custody Nominee (UK) Ltd A/c 360509                 180,642
HSBC Global Custody Nominee (UK) Ltd A/c 866203                 260,000
HSBC Global Custody Nominee (UK) Ltd A/c 357206               6,182,510
HSBC Global Custody Nominee (UK) Ltd A/c 886615                 772,778
                                                             ----------   ------
                                                             10,322,708    2.93%
                                                             ----------   ------

Please note that this percentage is based on our understanding that your issued
share capital is 351,400,000

Enquiries:
Michelle Lawrence
020 7 528 6721

Letter from Legal & General Investment Management Limited