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            14

Price per share             £34.60

Date of transaction         10 January 2006

Date Company informed       11 January 2006

Total holdings following    8,507
this information

Total percentage of issued  0.02%
class


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            6

Price per share             £34.60

Date of transaction         10 January 2006

Date Company informed       11 January 2006

Total holdings following    2,163
this information

Total percentage of issued  0.004%
class



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        11 January 2006