Director/PDMR Shareholding

Announcement of Director's interests in securities by The
Alliance Trust PLC

Director's interests in securities


Name of Company             The Alliance Trust PLC

Name of Director            Mrs Lesley M 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.

Reason for Notification     A transaction required to be
                            notified in accordance with DR
                            3.1.4R(1) (a) and DR 3.1.4(R) (1)
                            (b) [section 324 as extended by
                            section 328 of the Companies Act
                            1985 or entered into the Company's
                            register in accordance with s325(3)
                            or (4)of the Companies Act 1985]

Class of Security           Ordinary 25p shares

Name of registered holder   Alliance Trust Savings Nominees
                            Limited

Number of shares            7

Price per share             £35.38

Date and place of           17 February 2006. UK.
transaction
Date Company Notified       28 February 2006.

Total share interests       2182
following this information

Total percentage of issued  0.005% (all interests)
class
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        1 March 2006