DIRTT CTO Mark Greffen departs; shareholders approve director election, LTIP, and share issuance to 22NW

On May 30, 2023, Mark Greffen announced, and the Board accepted, his departure as Chief Technology Officer of the Company.

Item No. 3 - Approval of the Company’s Amended and Restated Long-Term Incentive Plan and Common Shares Reserved for Issuance Thereunder. The amendment to the Company’s Amended and Restated Long Term Incentive Plan and common shares reserved for issuance thereunder was approved by shareholders as follows: Votes For Votes Against Votes Abstaining Number Percent Number Percent Number Percent 47,402,141 83.54% 9,278,648 16.35% 59,212 0.10%

Item No. 4 - Approval of Share Issuance to 22NW. The share issuance to 22NW as reimbursement for legal fees and other expenses incurred by 22NW in connection with the contested director election at the 2022 annual and special meeting was approved by shareholders as follows: Votes For Votes Against Votes Abstaining Number Percent Number Percent Number Percent 32,508,863 1 86.68% 4,617,682 12.31% 379,421 1.01%

Item No. 1 – Election of Directors . Each of Douglas Edwards, Aron English, Shaun Noll, Scott Robinson, Scott Ryan, Kenneth Sanders and Benjamin Urban were elected as the directors of the Company. The voting results for each of the director nominees was as follows: Votes For Votes Withheld Nominee Number Percent Number Percent Douglas Edwards 52,510,487 92.55 4,228,515 7.45 Aron English 48,297,190 85.12 8,442,811 14.88 Shaun Noll 52,439,110 92.42 4,299,891 7.58 Scott Robinson 52,521,044 92.57 4,217,958 7.43 Scott Ryan 52,477,976 92.49 4,261,026 7.51 Kenneth Sanders 52,387,137 92.33 4,352,864 7.67 Benjamin Urban 56,272,861 99.18 467,139 0.82

Item No. 2 - Appointment of Independent Registered Public Accounting Firm . The appointment of PricewaterhouseCoopers LLP was approved as follows: Votes For Votes Withheld Number Percent Number Percent 56,928,440 93.69% 3,833,629 6.31%