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            David Alun Deards

Type of Transaction         Increase in beneficial interest
                            following purchase of shares
                            (within Select ISA pursuant to
                            standing instruction).

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            152

Price per share             £3.7946
Date and place of           20 February 2007. UK.
transaction
Date Company Notified       21 February 2007.

Total share interests
following this
information:

Beneficially Owned          40,308
(including self, connected
persons and Share
Incentive
Plan excluding Employee
Benefit Trust)

Beneficial interest in      7,787
shares held for director
by Trustee of Employee
Benefit Trust

Deemed beneficial interest  162,939
in shares held for company
by Trustee of Employee
Benefit Trust

Total percentage of issued  0.031% (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        21 February 2007