Director/PDMR Shareholding

Directors' interests in securities

Name of Company                               The Alliance Trust PLC

Name of Director                              Mr Alan J Harden

Type of Transaction                           Increase in beneficial interest following purchase of
                                              shares (within investment plan 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                              17

Price per share                               £30.47

Date of transaction                           11th October 2005

Date Company informed                         12th October 2005

Total holdings following this information     8,452

Total percentage of issued class              0.02%


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 pension plan pursuant to regular standing
                                              order and standing election) by child under 18.

Class of Security                             Ordinary 25p shares

Name of registered holder                     Alliance Trust Savings Nominees Limited

Number of shares                              8

Price per share                               £30.47

Date of transaction                           11th October 2005

Date Company informed                         12th October 2005

Total holdings following this information     2,112

Total percentage of issued class              0.004%



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



Name of contact                               Mr. Ian Goddard

Telephone Number                              01382 201700

Date of notification                          12th October 2005