Director/PDMR Shareholding

Director's interests in securities


Name of Company                               The Alliance Trust PLC

Name of Director                              Mrs Lesley M S Knox

Type of Transaction                           Increase in beneficial interest following purchase of
                                              shares (within ISA pursuant to regular standing order and
                                              standing election).

Class of Security                             Ordinary 25p shares

Name of registered holder                     Alliance Trust Savings Nominees Limited

Number of shares                              10

Price per share                               £30.03

Date of transaction                           18th October 2005

Date Company informed                         19th October 2005

Total holdings following this information     2,122

Total percentage of issued class              0.004%



This notification does not relate to dealings by persons otherwise connected with the named director.



Name of contact                               Mr. Ian Goddard

Telephone Number                              01382 201700

Date of notification                          19th October 2005