Director/PDMR Shareholding

Announcement of Person Discharging Managerial Responsibilities (PDMR) interests
in securities by Alliance Trust PLC

PDMR interests in securities

Name of Company                       Alliance Trust PLC

Name of PDMR                          Rowland Strickland

Type of Transaction                   Increase in beneficial interest following
                                      purchase of shares (within Share Incentive
                                      Plan pursuant to regular standing
                                      instruction).

Reason for Notification               A transaction required to be notified in
                                      accordance with DTR 3.1.4R(1).

Class of Security                     Ordinary 2.5p shares

Name of registered holder             Alliance Trust Savings Nominees Limited

Number of shares                      34

Price per share                       £3.70

Date and place of transaction         1 May 2007. UK.

Date Company Notified                 1 May 2007.

Total share interests following
this information:

Beneficially Owned (including         1,493
self, connected persons and Share
Incentive Plan excluding Employee
Benefit Trust)

Beneficial interest in shares         8,417
held for PDMR 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      0.026% (all interests)

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

Name of Company                       Alliance Trust PLC

Name of PDMR                          Rowland Strickland

Type of Transaction                   Increase in beneficial interest following
                                      purchase of shares (within Share Incentive
                                      Plan pursuant to award of free shares).

Reason for Notification               A transaction required to be notified in
                                      accordance with DTR 3.1.4R(1).

Class of Security                     Ordinary 2.5p shares

Name of registered holder             Alliance Trust Savings Nominees Limited

Number of shares                      354

Price per share                       £3.70

Date and place of transaction         1 May 2007. UK.

Date Company Notified                 1 May 2007.

Total share interests following
this information:

Beneficially Owned (including         1,847
self, connected persons and Share
Incentive Plan excluding Employee
Benefit Trust)

Beneficial interest in shares         8,417
held for PDMR 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      0.026% (all interests)

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

Name of contact                       Mr. Ian Anderson

Telephone Number                      [phone]

Date of notification                  2 May 2007