Transaction in Own Shares

Trinity Mirror PLC
31 October 2005


RNS Announcement



                       Update on share buy-back programme


As part of its three-year share buy-back programme, Trinity Mirror has this year
acquired 8.2 million shares for a total consideration of £52.7 million. In light
of the cash now spent on acquiring shares and expenditure on acquisitions so far
this year, the Company does not intend to acquire any further shares for the
remainder of the year.

A further update on the share buy-back programme will be provided with the 2005
Preliminary Results on 2 March 2006.

The Board expects a satisfactory outcome for the year. A pre-close trading
update will be provided on 15th December.



Further enquiries:

Trinity Mirror plc
Nick Fullagar                               020 7293 3622
Director of Corporate Communications

Finsbury
James Leviton                               020 7251 3801


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