DIRTT Environmental Solutions Ltd. — Board/Management Information 2022

Jun 27, 2022

Form 51-102F3 Material Change Report

Item 1 Name and Address of Company DIRTT Environmental Solutions Ltd. (the " Company " or " DIRTT ") 7303 – 30th Street S.E. Calgary, Alberta T2C 1N6 Item 2 Date of Material Change June 22, 2022

Item 3 News Release

A news release was issued by the Company on June 22, 2022 and disseminated through GlobeNewswire and filed on SEDAR.

Item 4 Summary of Material Change

On June 22, 2022, the Board of Directors (the "Board") of the Company appointed Benjamin Urban to serve as the Company's Chief Executive Officer, effective June 27, 2022. Concurrent with Mr. Urban's appointment, effective June 27, 2022, Geoffrey Krause, the Company's Interim Chief Executive Officer, ceased his role as such and resumed his prior position as the Company's Chief Financial Officer; and Jeffrey Metcalf, the Company's Interim Chief Financial Officer, ceased his role as such and resumed his prior position as the Company's Vice-President, Finance.

Mr. Urban was also appointed to serve as a member of the Board concurrent with his appointment as the Company's Chief Executive Officer. In addition, the Board appointed Mr. Shaun Noll to serve as a member of the Board, effective June 22, 2022.

Item 5 Full Description of Material Change 5.1 Full Description of Material Change

Appointment of Chief Executive Officer

On June 22, 2022, the Board appointed Benjamin Urban to serve as the Company's Chief Executive Officer and principal executive officer, effective June 27, 2022. Mr. Urban, 46, joins the Company from Agile Interiors, a leading distribution partner of the Company, where Mr. Urban served as a business development executive for fifteen years. Mr. Urban obtained a Bachelor of Science degree in International Business from the University of Denver, Daniel's College of Business and holds a Certificate in International Business

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Management from Instituto Technologico de Estudios Superiores de Monterrey.

Concurrent with Mr. Urban's appointment, effective June 27, 2022, Geoffrey Krause, the Company's Interim Chief Executive Officer and principal executive officer, ceased his roles as such and resumed his prior position as the Company's Chief Financial Officer and principal financial officer; and Jeffrey Metcalf, the Company's Interim Chief Financial Officer and principal financial officer, ceased his roles as such and resumed his prior position as the Company's VicePresident, Finance.

Appointment of Directors

On and effective June 22, 2022, the authorized number of directors on the Board was increased from seven to nine. Mr. Urban was appointed to serve as a member of the Board concurrent with his appointment as the Company's Chief Executive Officer and principal executive officer. In addition, the Board appointed Mr. Shaun Noll to serve as a member of the Board, effective June 22, 2022.

5.2 Disclosure for Restructuring Transactions

Not applicable.

Item 6 Reliance on subsection 7.1(2) of National Instrument 51-102

Subsection 7.1(2) of National Instrument 51-102 has not been relied upon.

Item 7 Omitted Information

No information has been omitted on the basis that it is confidential information.

Item 8 Executive Officer

Benjamin Urban Chief Executive Officer ir@dirtt.com 1-800-605-6707

Item 9 Date of Report

June 27, 2022

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