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                   Alan Jerry Harden

Type of Transaction                Increase in beneficial interest following
                                   purchase of Deposited Shares (within Long
                                   Term Incentive Plan).

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          Greenwood Nominees Limited

Number of shares                   9,226 - Beneficial Interest

                                   7 - Deemed beneficial interest in shares
                                   purchased by Trustee of Employee Benefit
                                   Trust

Price per share                    £3.7838

Date and place of transaction      25 and 30 May 2007. UK.

Date Company Notified              31 May 2007.

Total share interests following
this information:

Beneficially Owned (including      42,572
self, connected persons and 
Share Incentive Plan excluding
Employee Benefit Trust)

Beneficial interest in shares      25,185
held for director by Trustee
of Employee Benefit Trust

Deemed beneficial interest in      162,946
shares held for company by
Trustee of Employee Benefit Trust

Total percentage of issued class   0.034% (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 Deposited Shares (within Long
                                   Term Incentive Plan).

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          Greenwood Nominees Limited

Number of shares                   4,709 - Beneficial Interest

                                   7 - Deemed beneficial interest in shares
                                   purchased by Trustee of Employee Benefit
                                   Trust

Price per share                    £3.7838

Date and place of transaction      25 and 30 May 2007. UK.

Date Company Notified              31 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      12,496
held for director by Trustee of
Employee Benefit Trust

Deemed beneficial interest in      162,946
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 Company                    Alliance Trust PLC

Name of Director                   Katherine Garrett-Cox

Type of Transaction                Increase in beneficial interest following
                                   purchase of shares in accordance with Share
                                   Award Agreement.

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          3,000 - Own name

                                   125,130 - Greenwood Nominees Limited

Number of shares                   128,130 - Beneficial Interest

                                   7 - Deemed beneficial interest in shares
                                   purchased by Trustee of Employee Benefit
                                   Trust

                                   (In addition the Director is now deemed to
                                   have a beneficial interest in the 162,939
                                   shares previously held by the Trustees.)

Price per share                    £3.7838

Date and place of transaction      25 and 30 May 2007. UK.

Date Company Notified              31 May 2007.

Total share interests following
this information:

Beneficially Owned (including      3,000
self, connected persons and
Share Incentive Plan excluding
Employee Benefit Trust)

Beneficial interest in shares      125,130
held for director by Trustee of
Employee Benefit Trust

Deemed beneficial interest in      162,946
shares held for company by 
Trustee of Employee Benefit Trust 

Total percentage of issued class   0.019% (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 Deposited Shares (within Long
                                   Term Incentive Plan).

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          Greenwood Nominees Limited

Number of shares                   4,258 - Beneficial Interest

                                   7 - Deemed beneficial interest in shares
                                   purchased by Trustee of Employee Benefit
                                   Trust

                                   (In addition the Director is now deemed to
                                   have a beneficial interest in the 162,939
                                   shares previously held by the Trustees.)

Price per share                    £3.7838

Date and place of transaction      25 and 30 May 2007. UK.

Date Company Notified              31 May 2007.

Total share interests following
this information:

Beneficially Owned (including      16,107
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      162,946
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. Donald McPherson

Telephone Number                   [phone]

Date of notification               31 May 2007