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 Share Incentive
                                      Plan 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                      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         40,725
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 Company                       Alliance Trust PLC

Name of Director                      David Alun Deards

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)(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                      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         41,079
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      0.0315% (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                      Alan Jerry Harden

Type of Transaction                   Increase in beneficial interest following  
                                      purchase of shares (within Share Incentive
                                      Plan 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                      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         40,574
self, connected persons and Share
Incentive Plan excluding Employee
Benefit Trust)

Beneficial interest in shares         15,959
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      0.033% (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                      Alan Jerry Harden

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)(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                      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         40,928
self, connected persons and Share
Incentive Plan excluding Employee
Benefit Trust)

Beneficial interest in shares         15,959
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      0.033% (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                  2 May 2007