Form 4 Filing for DIRTT ENVIRONMENTAL SOLUTIONS LTD

Douglas Edwards, a director at DIRTT ENVIRONMENTAL SOLUTIONS LTD, acquired 33,654 Deferred Share Units (DSUs) on September 30, 2026. These DSUs are economically equivalent to common shares and will settle following the cessation of service. The acquisition price was $0.59 per unit, with the underlying common shares valued at a conversion rate derived from the September 29, 2026 closing price of C$0.83. Following this transaction, Edwards holds 1,009,223 DSUs. The DSUs are granted under the company's Long Term Incentive Plan and will settle in common shares or their cash equivalent, based on the closing price prior to the 30th day following separation from service for US Directors.