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
                                       Plan pursuant to regular standing
                                       instruction) by child under 18 years.

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                       17

Price per share                        £3.6575

Date and place of transaction          26 June 2007. UK.

Date Company Notified                  27 June 2007.

Total share interests following        99,128
this information:

Total percentage of issued class       0.015% (all interests)

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

Name of Company                        Alliance Trust PLC

Name of Director                       Janet Pope

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                       223

Price per share                        £3.6575

Date and place of transaction          26 June 2007. UK.     
                                                                               
Date Company Notified                  27 June 2007.

Total share interests following
this information:

Beneficially Owned (including          16,701
self, connected persons and Share
Incentive Plan excluding Employee
Benefit Trust)

Beneficial interest in shares          4,258
held for director by Trustee
of Employee Benefit Trust

Deemed beneficial interest in          1,108,624
shares held for company by Trustee
of Employee Benefit Trust

Total percentage of issued class       0.168% (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                       [phone]

Date of notification                   27 June 2007