Holding(s) in Company

IMI PLC
17 October 2003


                           SCHEDULE 10
 
             NOTIFICATION OF MAJOR INTERESTS IN SHARES


1)   NAME OF COMPANY

IMI PLC

2)   NAME OF SHAREHOLDER HAVING A MAJOR INTEREST

BARCLAYS PLC

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

IN RESPECT OF HOLDER NAMED ABOVE

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

SEE LIST BELOW

5)   Number of shares/amount of stock acquired.

10,645,779

6)   Percentage of issued Class

3.01%

7)   Number of shares/amount of stock disposed

N/A

8)   Percentage of issued Class

AS 6

9)   Class of security

ORDINARY SHARES

10)  Date of transaction

NOT KNOWN

11)  Date company informed

16 OCTOBER 2003

12)  Total holding following this notification

10,645,779
               
13)  Total percentage holding of issued class following this notification

3.01%

14)  Any additional information

FIRST NOTIFICATION THAT HOLDING HAS RISEN ABOVE 3%

15)  Name of contact and telephone number for queries

JOHN O'SHEA  0121 717 3700

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

     Date of Notification ......17 OCTOBER 2003......


                         REGISTERED HOLDERS REPORT

IMI                                                             SEDOL: 0457963

Registered Holder                    Account Designation          Holding

ALMLUFTTL-18409-CHASE MANHATTA        ALMLUFTT                     183,512
ASTEXMTTL-21359-CHASE NOMINEES        ASTEXMTT                     118,098
ASUKEXTTL-20947-CHASE MANHATTA        ASUKESTT                     895,167
Bank of Ireland                       8NX009IE                      97,802
BARCLAYS CAPITAL NOMINEES LIMI                                      15,241
Barclays Trust Co & Others                                           2,493
Barclays Trust Co DMC69                                              6,130
BLENTFUKQ-16344-CHASE MANHATTA        BLENTFUK                       6,036
BLENTPUKQ-16345-CHASE MANHATTA        BLENFPUK                       3,896
BLEQFDUKQ-16331-CHASE MANHATTA        BLEOFDUK                      85,450
BLEQPTUEA-16341-CHASE MANHATTA        BLEOPTUE                       4,164
BLEQPTUKQ-16341-CHASE MANHATTA        BLEOPTUK                     231,205
BLUKINTTL-16400-CHASE MANHATTA        BLUKINTT                   3,119,494
BOSTON SAFE DEPOSIT AND TRUST         594668                        71,806
CHASE MANHATTAN BANK                  500227                     1,626,480
CHASE MANHATTAN BANK                  502872                       582,644
CHASE MANHATTAN BANK                  508068                       148,951
CHASE MANHATTAN BANK                  527191                     1,097,603
CHASE MANHATTAN BANK                  536747                       237,323
CHASE MANHATTAN BANK                  552942                       189,962
Chase Manhattan Bank                  585439                         5,267
CHATRKTTL-16376-CHASE MANHATTA        CHATRKTT                     173,218
CITIBANK, N.A. (United States)        597367                        40,285
INVESTORS BANK AND TRUST CO.          428169                        32,890
INVESTORS BANK AND TRUST CO.          555879                         7,298
INVESTORS BANK AND TRUST CO.          573039                        46,116
INVESTORS BANK AND TRUST CO.          583293                       231,886
INVESTORS BANK AND TRUST CO.          586072                        33,721
INVESTORS BANK AND TRUST CO.          595966                       133,472
INVESTORS BANK AND TRUST CO.          598856                         5,612
INVESTORS BANK AND TRUST CO.          601389                         9,780
INVESTORS BANK AND TRUST CO.          911140                        10,975
JPMORGAN CHASE BANK                   540186                        75,582
JPMORGAN CHASE BANK                   555465                        62,744
JPMORGAN CHASE BANK                   599123                        10,223
JPMorgan Chase Bank                   BTC034IE                       4,756
JPMorgan Chase Bank                   BTC045IE                      40,094
JPMorgan Chase Bank                   BTGF01IE                      31,373
JPMorgan Chase Bank                   BTGF04IE                      45,268
JPMorgan Chase Bank                   BTGF05IE                      41,925
JPMorgan Chase Bank                   BTGF07IE                       7,605
JPMorgan Chase Bank                   BTK001IE                      41,446
JPMorgan Chase Bank                   BTS004IE                      39,367
JPMorgan Chase Bank                   BTS005IE                       5,945
JPMorgan Chase Bank                   BTS011IE                      14,016
JPMorgan Chase Bank                   BTS015IE                       5,306
JPMorgan Chase Bank                   BTS018IE                       3,326
JPMorgan Chase Bank                   BTS024IE                       3,142
JPMorgan Chase Bank                   BTS028IE                     157,336
JPMorgan Chase Bank                   BTS033IE                       3,400
JPMorgan Chase Bank                   BTS036IE                       9,811
JPMorgan Chase Bank                   BTS037IE                      12,145
Mitsubishi Trust International        BNN018IE                       2,379
Mitsubishi Trust International        BNN024IE                       3,981
Mitsubishi Trust International        BNN033IE                       3,797
NOTHERN TRUST BANK - BGI SEPA         581610                       115,387
NOTHERN TRUST BANK - BGI SEPA         584069                        48,653
State Street                          BNN032IE                       9,851
State Street                          BNX012IE                       6,062
STATE STREET BANK & TRUST - US        713101                       355,433
Sumitomo TB                           BNN029IE                       5,109
Sumitomo TB                           BNN031IE                       2,831
Sumitomo TB                           BNN036IE                       4,422
UBS Limited                           583996                        19,084

                                                  Total         10,645,779


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