SCHEDULE 10

                   NOTIFICATION OF MAJOR INTERESTS IN SHARES                   

All relevant boxes should be completed in block capital letters.

1. Name of company                   2. Name of shareholder having a major     
                                        interest                               
   UNITED BUSINESS MEDIA PLC                                                   
                                        Barclays plc                           

3. Please state whether notification 4. Name of the registered holder(s) and,  
   indicates that it is in respect      if more than one holder, the number of 
   of holding of the shareholder        shares held by each of them            
   named in 2 above or in respect of                                           
   a non-beneficial interest or in      As 2 Above - see attached sheet.       
   the case of an individual holder                                            
   if it is a holding of that                                                  
   person's spouse or children under                                           
   the age of 18                                                               
                                                                               
   NON BENEFICIAL - See 2 Above                                                

5. Number of      6. Percentage of  7. Number of shares 8. Percentage of      
   shares            issued class      /amount of stock    issued class       
   acquired                            disposed                               
                     N/A                                   N/A                
   N/A                                 N/A                                    

9. Class of security                10. Date of          11. Date company      
                                        transaction          informed          
   ORDINARY SHARES OF 25P                                                      
                                        NOT KNOWN            15 September 2003 

12. Total holding following this     13. Total percentage holding of issued    
    notification                         class following this notification     
                                                                               
    20,324,665 ORDINARY SHARES OF        6.06%                                 
    25P                                                                        

14. Any additional information       15. Name of contact and telephone number  
                                         for queries                           
    N/A                                                                        
                                         NIGEL YOUDS 020 7921 5032             

16. Name and signature of authorised company official responsible for making   
    this notification                                                          
                                                                               
    ANNE SIDDELL                                                               
                                                                               
    COMPANY SECRETARY                                                          
                                                                               
Date of notification: 15 September 2003                                        

           Registered Holder             Account Designation      No. of Shares
                                                                               
ALMIXFTTL - 18408 - Chase Manhattan            ALMIXFTT                  44,862
                                                                               
ASUKEXTTL - 20947 - Chase Manhattan            ASUKEXTT               7,223,788
                                                                               
Bank of Ireland                                BNX009IE                  90,991
                                                                               
Barclays Capital Nominees LIMI                                            8,768
                                                                               
Barclays Trust Co R69                                                     1,600
                                                                               
BLENTFUKQ - 16344 - Chase Manhattan            BLENTFUK                  73,224
                                                                               
BLENTPUKQ - 16345 - Chase Manhattan            BLENTPUK                 159,343
                                                                               
BLEQFDUKQ - 16331 - Chase Manhattan            BLEOFDUK                 126,214
                                                                               
BLEQPTUEA - 16341 - Chase Manhattan            BLEOPTUE                 423,424
                                                                               
BLEQPTUKO - 16341 - Chase Manhattan            BLEOPTUK                 317,483
                                                                               
BLINTNUKQ - Z1AJ - dummy                       BLINTNUK                  23,331
                                                                               
BLINTPUKQ - 16342 - Chase Manhattan            BLINTPUK                  40,397
                                                                               
BLUKINTTL - 16400 - Chase Manhattan            BLUKINTT               3,022,425
                                                                               
Boston Safe Deposit and Trust                   591668                   76,040
                                                                               
Chase Manhattan Bank                            500227                1,549,461
                                                                               
Chase Manhattan Bank                            502872                  555,175
                                                                               
Chase Manhattan Bank                            508068                  142,985
                                                                               
Chase Manhattan Bank                            527191                2,928,337
                                                                               
Chase Manhattan Bank                            536747                  619,656
                                                                               
Chase Manhattan Bank                            552942                  448,938
                                                                               
Chase Manhattan Bank                            585439                    4,972
                                                                               
CHATRKTTL-16376-Chase Manhattan                CHATRKTT                 158,682
                                                                               
Citibank, NA (United States)                    597367                   38,309
                                                                               
Investors Bank and Trust Co.                    428169                   29,480
                                                                               
Investors Bank and Trust Co.                    555879                    7,038
                                                                               
Investors Bank and Trust Co.                    573039                   41,203
                                                                               
Investors Bank and Trust Co.                    583293                  211,344
                                                                               
Investors Bank and Trust Co.                    588888                   12,429
                                                                               
Investors Bank and Trust Co.                    590421                   29,053
                                                                               
Investors Bank and Trust Co.                    595966                  294,918
                                                                               
Investors Bank and Trust Co.                    598856                    5,232
                                                                               
Investors Bank and Trust Co.                    911140                    9,640
                                                                               
JP Morgan Chase Bank                            540186                  194,446
                                                                               
JP Morgan Chase Bank                            555465                   58,413
                                                                               
JP Morgan Chase Bank                            599123                    9,735
                                                                               
JP Morgan Chase Bank                           BTC034IE                   4,485
                                                                               
JP Morgan Chase Bank                           BTC045IE                  38,190
                                                                               
JP Morgan Chase Bank                           BTGF01IE                  69,550
                                                                               
JP Morgan Chase Bank                           BTGF04IE                  44,356
                                                                               
JP Morgan Chase Bank                           BTGF05IE                  49,413
                                                                               
JP Morgan Chase Bank                           BTGF07IE                   8,241
                                                                               
JP Morgan Chase Bank                           BTK001IE                  40,237
                                                                               
JP Morgan Chase Bank                           BTS004IE                  37,122
                                                                               
JP Morgan Chase Bank                           BTS005IE                   9,552
                                                                               
JP Morgan Chase Bank                           BTS011IE                  12,939
                                                                               
JP Morgan Chase Bank                           BTS019IE                   3,661
                                                                               
JP Morgan Chase Bank                           BTS024IE                   4,160
                                                                               
JP Morgan Chase Bank                           BTS028IE                 150,474
                                                                               
JP Morgan Chase Bank                           BTS033IE                   4,965
                                                                               
JP Morgan Chase Bank                           BTS036IE                  16,022
                                                                               
Master Trust Bank                              BNNP06IE                  16,385
                                                                               
Mitsubishi Trust International                 BNN018IE                   1,683
                                                                               
Mitsubishi Trust International                 BNN046IE                  12,498
                                                                               
Northern Trust Bank - BGI SEPA                  581610                  315,499
                                                                               
Northern Trust Bank - BGI SEPA                  584069                   99,070
                                                                               
State Street                                   BNX012IE                   6,714
                                                                               
State Street                                   BNX019IE                  51,724
                                                                               
State Street Bank & Trust - US                  713101                  338,071
                                                                               
Sumitomo TB                                    BNN052IE                   6,052
                                                                               
Zeban Nominees Limited                                                    2,266
                                                                               
TOTAL                                                                20,324,665



END