Mandatory closed period - Compliance with MAR

BlackRock American Income Trust plc LEI - 549300WWOCXSC241W468 Mandatory Closed Period - Compliance with MAR   The Directors of BlackRock American Income Trust plc confirm that they are satisfied that all inside information, which the Directors and BlackRock American Income Trust plc have leading up to the announcement of results for the year ended 31 October 2025, has previously been notified to a RIS. Accordingly, the Company may continue to buy back its ordinary shares to be held in treasury or for cancellation, or issue new shares, until the end of the mandatory closed period which is expected to be on or around 22 January 2026. Enquiries: William Rowledge Company Secretary BlackRock Investment Management (UK) Limited Tel:   0207 743 2284 Date:   22 December 2025   Release