DIRTT Environmental Solutions Ltd. (“DIRTT” or the “Company”) (TSX:DRT, NASDAQ:DRTT), an interior construction company that uses proprietary software to design, manufacture and install fully customizable environments, is pleased to announce the successful closing of the issue and sale of C$35 million aggregate principal amount of 6.25% convertible unsecured subordinated debentures (the "Debentures"). The Debentures were offered to the public (the “Offering”) through a syndicate of underwriters (the "Underwriters") led by National Bank Financial Inc. The Company has also granted the Underwriters an over-allotment option to purchase up to an additional C$5.25 million aggregate principal amount of Debentures on the same terms, exercisable in whole or in part at any time up to the 30th day following the closing of the Offering.