Transaction in Own Shares

Trinity Mirror PLC
21 September 2005



Trinity Mirror plc

Transaction in Own Shares

Trinity Mirror announces that on the 20 September 2005 it purchased 150,000 of
its Ordinary Shares for cancellation at a price of 607.6749 pence per share.



Enquiries



Nick Fullagar
Trinity Mirror plc
020 7293 3000



Robin Tennent
Morgan Stanley & Co. International Limited
020 7425 8000






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