Update on NAV and Anthropic valuation

This announcement contains inside information for the purposes of Article 7 of the UK Market Abuse Regulation. Upon the publication of this announcement via a Regulatory Information Service, this inside information is now considered to be in the public domain.

Baillie Gifford US Growth Trust plc ('USA')

Legal Entity Identifier: 213800UM1OUWXZPKE539

Update on Net Asset Value and adjustment to the valuation of Anthropic

Today, the Board has been advised by the Manager of an upwards adjustment in the valuation of the Company's holding in Anthropic in line with its policy for valuing private company investments. This has been reflected in the Net Asset Value of the Company which as at close of business on 24 April 2026 stands at 324.18p.

Following that adjustment in valuation the proportion of the Company's total assets made up by Anthropic stands at 7.4% at close of business on 24 April 2026, compared with 3.3% on 31 March 2026.

Baillie Gifford & Co Limited

Company Secretaries

27 April 2026

Regulated Information Classification: Additional regulated information required to be disclosed under applicable laws and regulations.