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 DTR 3.1.4R(1)(a) and DTR
                                     3.1.4(R)(1)(b)

Class of Security                    Ordinary 2.5p shares

Name of registered holder            Alliance Trust Savings Nominees Limited

Number of shares                     155

Price per share                      £3.7420

Date and place of transaction        24 April 2007. UK.

Date Company Notified                25 April 2007.

Total share interests following
this information:

Beneficially Owned (including        40,691
self, connected persons and
Share Incentive Plan excluding
Employee Benefit Trust)

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

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

Total percentage of issued class     0.031% (all interests)

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                 25 April 2007