Director/PDMR Shareholding

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

Director's interests in securities


Name of Company                Alliance Trust PLC

Name of Director               Lesley Mary Samuel Knox

Type of Transaction            Increase in beneficial interest
                               following purchase of shares
                               (within Select Pension pursuant to
                               regular standing instruction) by
                               child under 18 years.

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 2.5p shares

Name of registered holder      Alliance Trust Savings Nominees Limited

Number of shares               64

Price per share                £3.5988

Date and place of              6 March 2007. UK.
transaction

Date Company Notified          7 March 2007.

Total share interests
following this information:    98,170

Total percentage of issued     0.015% (all interests)
class

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


Name of contact                Mr. Ian Anderson

Telephone Number               01382 201700

Date of notification           7 March 2007