2 October 2009

ABERDEEN ALL ASIA INVESTMENT TRUST PLC

Aberdeen All Asia Investment Trust PLC ('the Company') announces that it is satisfied, by virtue of the points listed below, that all inside information which the Directors and the Company have in leading up to the announcement of the Half Yearly Financial Report has been notified to a Regulated Information Service ('RIS') and that the Company is thereby exempted from the provisions of the Model Code in relation to closed periods for any dealings by persons discharging managerial responsibilities in the Company and any purchases by the Company of its own securities.

In so stating the Company has had regard to;

• the announcement on the 2 October 2009 of the Net Asset Value per share as of the close of business on the 1 October 2009,

• the Company's belief, following reasonable enquiries, that there will be no material difference between the information published on the 2 October 2009 and that to be included in the forthcoming Half Yearly Financial Report,

• the Company's practice of calculating Net Asset Values per share each business day and announcing these Net Asset Values to an RIS,

• there being no other unpublished information which constitutes price sensitive information in respect of the Company's securities and

• there being no unquoted investments within the Company's portfolio, 

This announcement is issued pursuant to paragraph 15.5.1 of the FSA Listing Rules as amended 28 September 2007.

RNS news service provided by Hemscott Group Limited.