Additional Listing

Mentmore Abbey Plc
16 July 2002



Mentmore Abbey PLC:  Additional Listing

16 July 2002

Mentmore Abbey plc ('the Company')

Application has been made to the London Stock Exchange and the UK Listing
Authority of the FSA for the Block Listing of 13,237,433 Ordinary Shares of 10p
each ranking pari passu with the existing Ordinary Shares, to the Official List.

These Ordinary Shares will be issued pursuant to the following of the Company's
share option schemes:

Mentmore Abbey plc share save scheme 1992                               498,426
Mentmore Abbey 1994 executive share scheme                            1,389,963
Mentmore Abbey 1996 executive share option scheme                     1,696,225
Mentmore Abbey senior executive share option plan                     8,353,523
Iron Mountain Europe approved executive share option plan               425,294
Iron Mountain Europe unapproved executive share option plan              25,887
Birkby SAYE scheme                                                       50,188
NPS Option                                                              727,927
Total                                                                13,237,433





Enquiries:



Clive Drysdale, Finance Director  0208 946 3159









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