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            Christopher Masters

Type of Transaction         Increase in beneficial interest
                            following purchase of shares
                            (within Select Investment Plan
                            pursuant to regular 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            28

Price per share             £3.7875
Date and place of           9 May 2007. UK.
transaction
Date Company Notified       10 May 2007.

Total share interests       10,446
following this
information:

Total percentage of issued  0.002% (all interests)
class
This notification does not relate to dealings by persons
otherwise connected with the named director.


Name of Company             Alliance Trust PLC

Name of Director            Christopher Masters

Type of Transaction         Increase in beneficial interest
                            following purchase of shares
                            (within Select Investment Plan
                            pursuant to regular standing
                            instruction) by spouse.

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            32

Price per share             £3.7875
Date and place of           9 May 2007. UK.
transaction
Date Company Notified       10 May 2007.

Total share interests       10,478
following this
information:

Total percentage of issued  0.002% (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        10 May 2007