Rule 8.3- Alliance Trust Plc

Rathbone Brothers PLC
21 March 2006


                                                                       FORM 8.3

    DEALINGS BY PERSONS WITH INTERESTS IN SECURITIES REPRESENTING 1% OR MORE
              (Rule 8.3 of the City Code on Takeovers and Mergers)



1. KEY INFORMATION

Name of person dealing (Note 1)                 Rathbone Brothers Plc (Entity
                                                reporting)
                                                Rathbone Investment Management
                                                Limited (Entity dealing)

Company dealt in                                Alliance Trust Plc

Class of relevant security to which the         25p Ordinary
dealings being disclosed relate (Note 2)

Date of dealing                                 20 March 2006



2. INTERESTS, SHORT POSITIONS AND RIGHTS TO SUBSCRIBE


(a) Interests and short positions (following dealing) in the class of relevant
security dealt in (Note 3)

                                                Long               Short
                                                Number (%)         Number (%)
(1) Relevant
securities                                      903,256 (1.79)
(2) Derivatives (other than options)
(3) Options and agreements to purchase/sell
Total                                           903,256 (1.79)


(b) Interests and short positions in relevant securities of the company, other
than the class dealt in (Note 3)

Class of relevant security:                        Long           Short
                                                   Number (%)     Number (%)
(1) Relevant securities
(2) Derivatives (other than options)
(3) Options and agreements to purchase/sell
Total                                              n/a


(c) Rights to subscribe (Note 3)

Class of relevant security:                                   Details
                                                              n/a





3. DEALINGS (Note 4)


(a) Purchases and sales

Purchase/sale    Number of securities          Price per unit (Note 5)
Sale             585                           370.5p
Sale             1,250                         363.1p



(b) Derivatives transactions (other than options)

Product      Long/short         Number of securities      Price per unit 
name,        (Note 6)           (Note 7)                  (Note 5)
e.g. CFD
                                n/a





(c) Options transactions in respect of existing securities

(i) Writing, selling, purchasing or varying

Product Writing,       Number of          Exercise Type, e.g.  Expiry Option
name,   selling,       securities to      price    American,   date   money
        purchasing,    which the option            European           paid/
        varying etc.   relates (Note 7)            etc.               received
e.g.                                                                  per unit
call                                                                  (Note 5)
option                                                                
                                                                      
                       n/a



(ii) Exercising

Product name, e.g. call       Number of           Exercise price per unit 
option                        securities          (Note 5)
                              n/a


(d) Other dealings (including new securities) (Note 4)

Nature of transaction (Note 8)  Details  Price per unit (if applicable) (Note 5)
                                n/a















4. OTHER INFORMATION


Agreements, arrangements or understandings relating to options or derivatives



Full details of any agreement, arrangement or understanding between the person
disclosing and any other person relating to the voting rights of any relevant
securities under any option referred to on this form or relating to the voting
rights or future acquisition or disposal of any relevant securities to which any
derivative referred to on this form is referenced. If none, this should be
stated.
None.



Is a Supplemental Form 8 attached? (Note 9)                      NO


Date of disclosure                                               21 March 2006

Contact name                                                     Dorothy Bognar

Telephone number                                                 020 7399 0000

If a connected EFM, name of offeree/offeror with which connected n/a

If a connected EFM, state nature of connection (Note 10)         n/a



Notes


The Notes on Form 8.3 can be viewed on the Takeover Panel's website at
www.thetakeoverpanel.org.uk






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