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                       150

Price per share                        £3.8454
 
Date and place of transaction          23 May 2007. UK.

Date Company Notified                  24 May 2007.

Total share interests following
this information:

Beneficially Owned (including          41,542
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       0.032% (all interests)

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

Name of contact                        Ian Anderson

Telephone Number                       [phone]

Date of notification                   24 May 2007