Section 198 Companies Act Disclosure

The Alliance Trust PLC

Section 198 Companies Act 1985

We were informed on 19 May 2006 that, following purchases of shares through the
retail savings and investment and pension plans provided by our associated
company Alliance Trust Savings Limited, the interest of Alliance Trust Savings
Limited is now in 9,140,431 ordinary shares of 25p, being 18.14% of that class.

Alliance Trust Savings Limited's interests are non-discretionary and
non-material in respect of 7,889,542 ordinary shares (15.65%) (being shares
beneficially owned by investors in the First Steps, Select PEP, Investment Plan
and ISA).

Alliance Trust Savings Limited holds 1,250,889 ordinary shares (2.48%) as
Trustee of the Alliance Trusts' Pension Plan, a self invested personal pension
(SIPP) provided and administered by Alliance Trust Savings Limited.

All shares referred to are registered in the name of Alliance Trust Savings
Nominees Limited.

Please address any queries concerning this notification to

Ian Anderson

Assistant Company Secretary

01382 201 700