DRTTF

SEC source: 0000950170-24-060610 · ownership.xml · nonDerivative · entry 1

Urban Benjamin Nicholas · CIK 0001936653 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,206,401

SEC source: 0000950170-24-040213 · ownership.xml · derivative · entry 3

Urban Benjamin Nicholas · CIK 0001936653 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Shares · 150,000 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: On June 7, 2023, the reporting person was granted 150,000 RSUs, vesting March 31, 2024. Each RSU represents a conditional right to receive a cash payment equal to the fair market value of one Common Share of the Issuer or, at the Issuer's discretion, a number of Common Shares (or a combination of cash and Common Shares) equal to the fair market value of one Common Share. The RSUs vested on March 31, 2024 and were converted into Common Stock on a one-to-one basis at the Issuer's discretion.

F1 · derivative.exercise_date: On June 7, 2023, the reporting person was granted 150,000 RSUs, vesting March 31, 2024. Each RSU represents a conditional right to receive a cash payment equal to the fair market value of one Common Share of the Issuer or, at the Issuer's discretion, a number of Common Shares (or a combination of cash and Common Shares) equal to the fair market value of one Common Share. The RSUs vested on March 31, 2024 and were converted into Common Stock on a one-to-one basis at the Issuer's discretion.

F1 · derivative.expiration_date: On June 7, 2023, the reporting person was granted 150,000 RSUs, vesting March 31, 2024. Each RSU represents a conditional right to receive a cash payment equal to the fair market value of one Common Share of the Issuer or, at the Issuer's discretion, a number of Common Shares (or a combination of cash and Common Shares) equal to the fair market value of one Common Share. The RSUs vested on March 31, 2024 and were converted into Common Stock on a one-to-one basis at the Issuer's discretion.

SEC source: 0000950170-24-040213 · ownership.xml · nonDerivative · entry 2

Urban Benjamin Nicholas · CIK 0001936653 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,204,401

F2 · price: The price used to calculate March 31, 2024 RSU vesting was C$0.70, which was the closing price Issuer's Common Shares as reported on the Toronto Stock Exchange on March 27, 2024. The price was converted using the Bank of Canada exchange rate for March 27, 2024 of C$1.3587 = US$1.00.

SEC source: 0000950170-24-040213 · ownership.xml · nonDerivative · entry 1

Urban Benjamin Nicholas · CIK 0001936653 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,276,670

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: On June 7, 2023, the reporting person was granted 150,000 RSUs, vesting March 31, 2024. Each RSU represents a conditional right to receive a cash payment equal to the fair market value of one Common Share of the Issuer or, at the Issuer's discretion, a number of Common Shares (or a combination of cash and Common Shares) equal to the fair market value of one Common Share. The RSUs vested on March 31, 2024 and were converted into Common Stock on a one-to-one basis at the Issuer's discretion.

SEC source: 0000950170-24-040195 · ownership.xml · derivative · entry 3

HUNTER RICHARD J · CIK 0001742843 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Shares · 150,000 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: On June 7, 2023, the reporting person was granted 150,000 RSUs, vesting March 31, 2024. Each RSU represents a conditional right to receive a cash payment equal to the fair market value of one Common Share of the Issuer or, at the Issuer's discretion, a number of Common Shares (or a combination of cash and Common Shares) equal to the fair market value of one Common Share. The RSUs vested on March 31, 2024 and were converted into Common Stock on a one-to-one basis at the Issuer's discretion.

F1 · derivative.exercise_date: On June 7, 2023, the reporting person was granted 150,000 RSUs, vesting March 31, 2024. Each RSU represents a conditional right to receive a cash payment equal to the fair market value of one Common Share of the Issuer or, at the Issuer's discretion, a number of Common Shares (or a combination of cash and Common Shares) equal to the fair market value of one Common Share. The RSUs vested on March 31, 2024 and were converted into Common Stock on a one-to-one basis at the Issuer's discretion.

F1 · derivative.expiration_date: On June 7, 2023, the reporting person was granted 150,000 RSUs, vesting March 31, 2024. Each RSU represents a conditional right to receive a cash payment equal to the fair market value of one Common Share of the Issuer or, at the Issuer's discretion, a number of Common Shares (or a combination of cash and Common Shares) equal to the fair market value of one Common Share. The RSUs vested on March 31, 2024 and were converted into Common Stock on a one-to-one basis at the Issuer's discretion.

SEC source: 0000950170-24-040195 · ownership.xml · nonDerivative · entry 2

HUNTER RICHARD J · CIK 0001742843 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 988,445

F2 · price: The price used to calculate March 31, 2024 RSU vesting was C$0.70, which was the closing price Issuer's Common Shares as reported on the Toronto Stock Exchange on March 27, 2024. The price was converted using the Bank of Canada exchange rate for March 27, 2024 of C$1.3587 = US$1.00

SEC source: 0000950170-24-040195 · ownership.xml · nonDerivative · entry 1

HUNTER RICHARD J · CIK 0001742843 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,060,714

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: On June 7, 2023, the reporting person was granted 150,000 RSUs, vesting March 31, 2024. Each RSU represents a conditional right to receive a cash payment equal to the fair market value of one Common Share of the Issuer or, at the Issuer's discretion, a number of Common Shares (or a combination of cash and Common Shares) equal to the fair market value of one Common Share. The RSUs vested on March 31, 2024 and were converted into Common Stock on a one-to-one basis at the Issuer's discretion.

SEC source: 0000950170-24-039308 · ownership.xml · derivative · entry 1

Pannikode Shalima K. · CIK 0002016045 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,708

Underlying: Common Shares · 15,708 shares

Expires not disclosed

F1 · derivative.exercise_price: Each deferred share unit ("DSU") was granted pursuant to the DIRTT Environmental Solutions Ltd. Amended and Restated Long Term Incentive Plan and is the economic equivalent of one common share (a "Common Share") of DIRTT Environmental Solutions Ltd. (the "Issuer"). All DSUs settle following the cessation of service and employment with the Issuer (the "Termination Date"). For directors who are subject to taxation in the United States ("US Directors"), the DSUs will settle no later than forty days following the Termination Date. Each DSU will be settled in one Common Share or in the cash equivalent of such Common Shares, calculated based on the closing price of the Common Shares on the day prior to the 30th day following separation from service for US Directors

F2 · price: The price used to calculate the number of DSUs granted was C$0.67, which was the closing price Issuer's Common Shares as reported on the Toronto Stock Exchange on March 28, 2024. The price was converted using the Bank of Canada exchange rate for March 28, 2024 of C$1.3550 = US$1.00

F1 · derivative.exercise_date: Each deferred share unit ("DSU") was granted pursuant to the DIRTT Environmental Solutions Ltd. Amended and Restated Long Term Incentive Plan and is the economic equivalent of one common share (a "Common Share") of DIRTT Environmental Solutions Ltd. (the "Issuer"). All DSUs settle following the cessation of service and employment with the Issuer (the "Termination Date"). For directors who are subject to taxation in the United States ("US Directors"), the DSUs will settle no later than forty days following the Termination Date. Each DSU will be settled in one Common Share or in the cash equivalent of such Common Shares, calculated based on the closing price of the Common Shares on the day prior to the 30th day following separation from service for US Directors

F1 · derivative.expiration_date: Each deferred share unit ("DSU") was granted pursuant to the DIRTT Environmental Solutions Ltd. Amended and Restated Long Term Incentive Plan and is the economic equivalent of one common share (a "Common Share") of DIRTT Environmental Solutions Ltd. (the "Issuer"). All DSUs settle following the cessation of service and employment with the Issuer (the "Termination Date"). For directors who are subject to taxation in the United States ("US Directors"), the DSUs will settle no later than forty days following the Termination Date. Each DSU will be settled in one Common Share or in the cash equivalent of such Common Shares, calculated based on the closing price of the Common Shares on the day prior to the 30th day following separation from service for US Directors

SEC source: 0000950170-24-039312 · ownership.xml · derivative · entry 1

Edwards Douglas A · CIK 0001895807 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 591,519

Underlying: Common Shares · 76,324 shares

Expires not disclosed

F1 · derivative.exercise_price: Each deferred share unit ("DSU") was granted pursuant to the DIRTT Environmental Solutions Ltd. Amended and Restated Long Term Incentive Plan and is the economic equivalent of one common share (a "Common Share") of DIRTT Environmental Solutions Ltd. (the "Issuer"). All DSUs settle following the cessation of service and employment with the Issuer (the "Termination Date"). For directors who are subject to taxation in the United States ("US Directors"), the DSUs will settle no later than forty days following the Termination Date. Each DSU will be settled in one Common Share or in the cash equivalent of such Common Shares, calculated based on the closing price of the Common Shares on the day prior to the 30th day following separation from service for US Directors

F2 · price: The price used to calculate the number of DSUs granted was C$0.67, which was the closing price Issuer's Common Shares as reported on the Toronto Stock Exchange on March 28, 2024. The price was converted using the Bank of Canada exchange rate for March 28, 2024 of C$1.3550 = US$1.00

F1 · derivative.exercise_date: Each deferred share unit ("DSU") was granted pursuant to the DIRTT Environmental Solutions Ltd. Amended and Restated Long Term Incentive Plan and is the economic equivalent of one common share (a "Common Share") of DIRTT Environmental Solutions Ltd. (the "Issuer"). All DSUs settle following the cessation of service and employment with the Issuer (the "Termination Date"). For directors who are subject to taxation in the United States ("US Directors"), the DSUs will settle no later than forty days following the Termination Date. Each DSU will be settled in one Common Share or in the cash equivalent of such Common Shares, calculated based on the closing price of the Common Shares on the day prior to the 30th day following separation from service for US Directors

F1 · derivative.expiration_date: Each deferred share unit ("DSU") was granted pursuant to the DIRTT Environmental Solutions Ltd. Amended and Restated Long Term Incentive Plan and is the economic equivalent of one common share (a "Common Share") of DIRTT Environmental Solutions Ltd. (the "Issuer"). All DSUs settle following the cessation of service and employment with the Issuer (the "Termination Date"). For directors who are subject to taxation in the United States ("US Directors"), the DSUs will settle no later than forty days following the Termination Date. Each DSU will be settled in one Common Share or in the cash equivalent of such Common Shares, calculated based on the closing price of the Common Shares on the day prior to the 30th day following separation from service for US Directors

SEC source: 0000950170-24-039297 · ownership.xml · derivative · entry 1

Ryan Scott C · CIK 0001895408 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 658,305

Underlying: Common Shares · 99,042 shares

Expires not disclosed

F1 · derivative.exercise_price: Each deferred share unit ("DSU") was granted pursuant to the DIRTT Environmental Solutions Ltd. Amended and Restated Long Term Incentive Plan and is the economic equivalent of one common share (a "Common Share") of DIRTT Environmental Solutions Ltd. (the "Issuer"). All DSUs settle following the cessation of service and employment with the Issuer (the "Termination Date"). For directors who are subject to taxation in the United States ("US Directors"), the DSUs will settle no later than forty days following the Termination Date. Each DSU will be settled in one Common Share or in the cash equivalent of such Common Shares, calculated based on the closing price of the Common Shares on the day prior to the 30th day following separation from service for US Directors

F2 · price: The price used to calculate the number of DSUs granted was C$0.67, which was the closing price Issuer's Common Shares as reported on the Toronto Stock Exchange on March 28, 2024. The price was converted using the Bank of Canada exchange rate for March 28, 2024 of C$1.3550 = US$1.00

F1 · derivative.exercise_date: Each deferred share unit ("DSU") was granted pursuant to the DIRTT Environmental Solutions Ltd. Amended and Restated Long Term Incentive Plan and is the economic equivalent of one common share (a "Common Share") of DIRTT Environmental Solutions Ltd. (the "Issuer"). All DSUs settle following the cessation of service and employment with the Issuer (the "Termination Date"). For directors who are subject to taxation in the United States ("US Directors"), the DSUs will settle no later than forty days following the Termination Date. Each DSU will be settled in one Common Share or in the cash equivalent of such Common Shares, calculated based on the closing price of the Common Shares on the day prior to the 30th day following separation from service for US Directors

F1 · derivative.expiration_date: Each deferred share unit ("DSU") was granted pursuant to the DIRTT Environmental Solutions Ltd. Amended and Restated Long Term Incentive Plan and is the economic equivalent of one common share (a "Common Share") of DIRTT Environmental Solutions Ltd. (the "Issuer"). All DSUs settle following the cessation of service and employment with the Issuer (the "Termination Date"). For directors who are subject to taxation in the United States ("US Directors"), the DSUs will settle no later than forty days following the Termination Date. Each DSU will be settled in one Common Share or in the cash equivalent of such Common Shares, calculated based on the closing price of the Common Shares on the day prior to the 30th day following separation from service for US Directors

SEC source: 0000950170-24-039291 · ownership.xml · derivative · entry 1

Sanders Kenneth D · CIK 0001895179 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 652,493

Underlying: Common Shares · 74,801 shares

Expires not disclosed

F1 · derivative.exercise_price: Each deferred share unit ("DSU") was granted pursuant to the DIRTT Environmental Solutions Ltd. Amended and Restated Long Term Incentive Plan and is the economic equivalent of one common share (a "Common Share") of DIRTT Environmental Solutions Ltd. (the "Issuer"). All DSUs settle following the cessation of service and employment with the Issuer (the "Termination Date"). For directors who are subject to taxation in the United States ("US Directors"), the DSUs will settle no later than forty days following the Termination Date. Each DSU will be settled in one Common Share or in the cash equivalent of such Common Shares, calculated based on the closing price of the Common Shares on the day prior to the 30th day following separation from service for US Directors

F2 · price: The price used to calculate the number of DSUs granted was C$0.67, which was the closing price Issuer's Common Shares as reported on the Toronto Stock Exchange on March 28, 2024. The price was converted using the Bank of Canada exchange rate for March 28, 2024 of C$1.3550 = US$1.00

F1 · derivative.exercise_date: Each deferred share unit ("DSU") was granted pursuant to the DIRTT Environmental Solutions Ltd. Amended and Restated Long Term Incentive Plan and is the economic equivalent of one common share (a "Common Share") of DIRTT Environmental Solutions Ltd. (the "Issuer"). All DSUs settle following the cessation of service and employment with the Issuer (the "Termination Date"). For directors who are subject to taxation in the United States ("US Directors"), the DSUs will settle no later than forty days following the Termination Date. Each DSU will be settled in one Common Share or in the cash equivalent of such Common Shares, calculated based on the closing price of the Common Shares on the day prior to the 30th day following separation from service for US Directors

F1 · derivative.expiration_date: Each deferred share unit ("DSU") was granted pursuant to the DIRTT Environmental Solutions Ltd. Amended and Restated Long Term Incentive Plan and is the economic equivalent of one common share (a "Common Share") of DIRTT Environmental Solutions Ltd. (the "Issuer"). All DSUs settle following the cessation of service and employment with the Issuer (the "Termination Date"). For directors who are subject to taxation in the United States ("US Directors"), the DSUs will settle no later than forty days following the Termination Date. Each DSU will be settled in one Common Share or in the cash equivalent of such Common Shares, calculated based on the closing price of the Common Shares on the day prior to the 30th day following separation from service for US Directors

SEC source: 0000950170-24-039302 · ownership.xml · derivative · entry 1

Robinson Scott L · CIK 0001341765 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 667,736

Underlying: Common Shares · 100,288 shares

Expires not disclosed

F1 · derivative.exercise_price: Each deferred share unit ("DSU") was granted pursuant to the DIRTT Environmental Solutions Ltd. Amended and Restated Long Term Incentive Plan and is the economic equivalent of one common share (a "Common Share") of DIRTT Environmental Solutions Ltd. (the "Issuer"). All DSUs settle following the cessation of service and employment with the Issuer (the "Termination Date"). For directors who are subject to taxation in the United States ("US Directors"), the DSUs will settle no later than forty days following the Termination Date. Each DSU will be settled in one Common Share or in the cash equivalent of such Common Shares, calculated based on the closing price of the Common Shares on the day prior to the 30th day following separation from service for US Directors

F2 · price: The price used to calculate the number of DSUs granted was C$0.67, which was the closing price Issuer's Common Shares as reported on the Toronto Stock Exchange on March 28, 2024. The price was converted using the Bank of Canada exchange rate for March 28, 2024 of C$1.3550 = US$1.00

F1 · derivative.exercise_date: Each deferred share unit ("DSU") was granted pursuant to the DIRTT Environmental Solutions Ltd. Amended and Restated Long Term Incentive Plan and is the economic equivalent of one common share (a "Common Share") of DIRTT Environmental Solutions Ltd. (the "Issuer"). All DSUs settle following the cessation of service and employment with the Issuer (the "Termination Date"). For directors who are subject to taxation in the United States ("US Directors"), the DSUs will settle no later than forty days following the Termination Date. Each DSU will be settled in one Common Share or in the cash equivalent of such Common Shares, calculated based on the closing price of the Common Shares on the day prior to the 30th day following separation from service for US Directors

F1 · derivative.expiration_date: Each deferred share unit ("DSU") was granted pursuant to the DIRTT Environmental Solutions Ltd. Amended and Restated Long Term Incentive Plan and is the economic equivalent of one common share (a "Common Share") of DIRTT Environmental Solutions Ltd. (the "Issuer"). All DSUs settle following the cessation of service and employment with the Issuer (the "Termination Date"). For directors who are subject to taxation in the United States ("US Directors"), the DSUs will settle no later than forty days following the Termination Date. Each DSU will be settled in one Common Share or in the cash equivalent of such Common Shares, calculated based on the closing price of the Common Shares on the day prior to the 30th day following separation from service for US Directors

SEC source: 0000950170-24-039280 · ownership.xml · derivative · entry 1

English Aron R. · CIK 0001770436 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 482,169

Underlying: Common Shares · 54,854 shares

Expires not disclosed

F1 · derivative.exercise_price: Each deferred share unit ("DSU") was granted pursuant to the DIRTT Environmental Solutions Ltd. Amended and Restated Long Term Incentive Plan and is the economic equivalent of one common share (a "Common Share") of DIRTT Environmental Solutions Ltd. (the "Issuer"). All DSUs settle following the cessation of service and employment with the Issuer (the "Termination Date"). For directors who are subject to taxation in the United States ("US Directors"), the DSUs will settle no later than forty days following the Termination Date. Each DSU will be settled in one Common Share or in the cash equivalent of such Common Shares, calculated based on the closing price of the Common Shares on the day prior to the 30th day following separation from service for US Directors

F2 · price: The price used to calculate the number of DSUs granted was C$0.67, which was the closing price Issuer's Common Shares as reported on the Toronto Stock Exchange on March 28, 2024. The price was converted using the Bank of Canada exchange rate for March 28, 2024 of C$1.3550 = US$1.00

F1 · derivative.exercise_date: Each deferred share unit ("DSU") was granted pursuant to the DIRTT Environmental Solutions Ltd. Amended and Restated Long Term Incentive Plan and is the economic equivalent of one common share (a "Common Share") of DIRTT Environmental Solutions Ltd. (the "Issuer"). All DSUs settle following the cessation of service and employment with the Issuer (the "Termination Date"). For directors who are subject to taxation in the United States ("US Directors"), the DSUs will settle no later than forty days following the Termination Date. Each DSU will be settled in one Common Share or in the cash equivalent of such Common Shares, calculated based on the closing price of the Common Shares on the day prior to the 30th day following separation from service for US Directors

F1 · derivative.expiration_date: Each deferred share unit ("DSU") was granted pursuant to the DIRTT Environmental Solutions Ltd. Amended and Restated Long Term Incentive Plan and is the economic equivalent of one common share (a "Common Share") of DIRTT Environmental Solutions Ltd. (the "Issuer"). All DSUs settle following the cessation of service and employment with the Issuer (the "Termination Date"). For directors who are subject to taxation in the United States ("US Directors"), the DSUs will settle no later than forty days following the Termination Date. Each DSU will be settled in one Common Share or in the cash equivalent of such Common Shares, calculated based on the closing price of the Common Shares on the day prior to the 30th day following separation from service for US Directors

SEC source: 0000950170-24-041643 · ownership.xml · derivative · entry 1

Noll Shaun · CIK 0001821774 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 514,337

Underlying: Common Shares · 75,078 shares

Expires not disclosed

F1 · derivative.exercise_price: Each deferred share unit ("DSU") was granted pursuant to the DIRTT Environmental Solutions Ltd. Amended and Restated Long Term Incentive Plan and is the economic equivalent of one common share (a "Common Share") of DIRTT Environmental Solutions Ltd. (the "Issuer"). All DSUs settle following the cessation of service and employment with the Issuer (the "Termination Date"). For directors who are subject to taxation in the United States ("US Directors"), the DSUs will settle no later than forty days following the Termination Date. Each DSU will be settled in one Common Share or in the cash equivalent of such Common Shares, calculated based on the closing price of the Common Shares on the day prior to the 30th day following separation from service for US Directors

F2 · price: The price used to calculate the number of DSUs granted was C$0.67, which was the closing price Issuer's Common Shares as reported on the Toronto Stock Exchange on March 28, 2024. The price was converted using the Bank of Canada exchange rate for March 28, 2024 of C$1.3550 = US$1.00

F1 · derivative.exercise_date: Each deferred share unit ("DSU") was granted pursuant to the DIRTT Environmental Solutions Ltd. Amended and Restated Long Term Incentive Plan and is the economic equivalent of one common share (a "Common Share") of DIRTT Environmental Solutions Ltd. (the "Issuer"). All DSUs settle following the cessation of service and employment with the Issuer (the "Termination Date"). For directors who are subject to taxation in the United States ("US Directors"), the DSUs will settle no later than forty days following the Termination Date. Each DSU will be settled in one Common Share or in the cash equivalent of such Common Shares, calculated based on the closing price of the Common Shares on the day prior to the 30th day following separation from service for US Directors

F1 · derivative.expiration_date: Each deferred share unit ("DSU") was granted pursuant to the DIRTT Environmental Solutions Ltd. Amended and Restated Long Term Incentive Plan and is the economic equivalent of one common share (a "Common Share") of DIRTT Environmental Solutions Ltd. (the "Issuer"). All DSUs settle following the cessation of service and employment with the Issuer (the "Termination Date"). For directors who are subject to taxation in the United States ("US Directors"), the DSUs will settle no later than forty days following the Termination Date. Each DSU will be settled in one Common Share or in the cash equivalent of such Common Shares, calculated based on the closing price of the Common Shares on the day prior to the 30th day following separation from service for US Directors

SEC source: 0000950170-24-040189 · ownership.xml · derivative · entry 6

Khan Fareeha · CIK 0001991412 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,798

Underlying: Common Shares · 1,798 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: On March 1, 2022, the reporting person was granted 5,394 RSUs, vesting in three equal annual installments beginning on the first anniversary of the grant date. Each RSU represents a conditional right to receive a cash payment equal to the fair market value of one Common Share of the Issuer or, at the Issuer's discretion, a number of Common Shares (or a combination of cash and Common Shares) equal to the fair market value of one Common Share. One-third of the RSUs vested on March 1, 2024 and were converted into Common Stock on a one-to-one basis at the Issuer's discretion.

F3 · derivative.exercise_date: On March 1, 2022, the reporting person was granted 5,394 RSUs, vesting in three equal annual installments beginning on the first anniversary of the grant date. Each RSU represents a conditional right to receive a cash payment equal to the fair market value of one Common Share of the Issuer or, at the Issuer's discretion, a number of Common Shares (or a combination of cash and Common Shares) equal to the fair market value of one Common Share. One-third of the RSUs vested on March 1, 2024 and were converted into Common Stock on a one-to-one basis at the Issuer's discretion.

F3 · derivative.expiration_date: On March 1, 2022, the reporting person was granted 5,394 RSUs, vesting in three equal annual installments beginning on the first anniversary of the grant date. Each RSU represents a conditional right to receive a cash payment equal to the fair market value of one Common Share of the Issuer or, at the Issuer's discretion, a number of Common Shares (or a combination of cash and Common Shares) equal to the fair market value of one Common Share. One-third of the RSUs vested on March 1, 2024 and were converted into Common Stock on a one-to-one basis at the Issuer's discretion.

SEC source: 0000950170-24-040189 · ownership.xml · derivative · entry 5

Khan Fareeha · CIK 0001991412 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Shares · 1,446 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: On March 1, 2021, the reporting person was granted 4,337 RSUs, vesting in three equal annual installments beginning on the first anniversary of the grant date. Each RSU represents a conditional right to receive a cash payment equal to the fair market value of one Common Share of the Issuer or, at the Issuer's discretion, a number of Common Shares (or a combination of cash and Common Shares) equal to the fair market value of one Common Share. One-third of the RSUs vested on March 1, 2024 and were converted into Common Stock on a one-to-one basis at the Issuer's discretion.

F1 · derivative.exercise_date: On March 1, 2021, the reporting person was granted 4,337 RSUs, vesting in three equal annual installments beginning on the first anniversary of the grant date. Each RSU represents a conditional right to receive a cash payment equal to the fair market value of one Common Share of the Issuer or, at the Issuer's discretion, a number of Common Shares (or a combination of cash and Common Shares) equal to the fair market value of one Common Share. One-third of the RSUs vested on March 1, 2024 and were converted into Common Stock on a one-to-one basis at the Issuer's discretion.

F1 · derivative.expiration_date: On March 1, 2021, the reporting person was granted 4,337 RSUs, vesting in three equal annual installments beginning on the first anniversary of the grant date. Each RSU represents a conditional right to receive a cash payment equal to the fair market value of one Common Share of the Issuer or, at the Issuer's discretion, a number of Common Shares (or a combination of cash and Common Shares) equal to the fair market value of one Common Share. One-third of the RSUs vested on March 1, 2024 and were converted into Common Stock on a one-to-one basis at the Issuer's discretion.

SEC source: 0000950170-24-040189 · ownership.xml · nonDerivative · entry 4

Khan Fareeha · CIK 0001991412 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 69,690

F3 · price: On March 1, 2022, the reporting person was granted 5,394 RSUs, vesting in three equal annual installments beginning on the first anniversary of the grant date. Each RSU represents a conditional right to receive a cash payment equal to the fair market value of one Common Share of the Issuer or, at the Issuer's discretion, a number of Common Shares (or a combination of cash and Common Shares) equal to the fair market value of one Common Share. One-third of the RSUs vested on March 1, 2024 and were converted into Common Stock on a one-to-one basis at the Issuer's discretion.

SEC source: 0000950170-24-040189 · ownership.xml · nonDerivative · entry 3

Khan Fareeha · CIK 0001991412 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 70,690

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · price: On March 1, 2022, the reporting person was granted 5,394 RSUs, vesting in three equal annual installments beginning on the first anniversary of the grant date. Each RSU represents a conditional right to receive a cash payment equal to the fair market value of one Common Share of the Issuer or, at the Issuer's discretion, a number of Common Shares (or a combination of cash and Common Shares) equal to the fair market value of one Common Share. One-third of the RSUs vested on March 1, 2024 and were converted into Common Stock on a one-to-one basis at the Issuer's discretion.

SEC source: 0000950170-24-040189 · ownership.xml · nonDerivative · entry 2

Khan Fareeha · CIK 0001991412 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 68,892

F2 · price: The price used to calculate March 1, RSU vesting was C$0.67, which was the closing price Issuer's Common Shares as reported on the Toronto Stock Exchange on February 29, 2024. The price was converted using the Bank of Canada exchange rate for February 29, 2024 of C$1.3570 = US$1.00.

SEC source: 0000950170-24-040189 · ownership.xml · nonDerivative · entry 1

Khan Fareeha · CIK 0001991412 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 69,697

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: On March 1, 2021, the reporting person was granted 4,337 RSUs, vesting in three equal annual installments beginning on the first anniversary of the grant date. Each RSU represents a conditional right to receive a cash payment equal to the fair market value of one Common Share of the Issuer or, at the Issuer's discretion, a number of Common Shares (or a combination of cash and Common Shares) equal to the fair market value of one Common Share. One-third of the RSUs vested on March 1, 2024 and were converted into Common Stock on a one-to-one basis at the Issuer's discretion.

SEC source: 0000895345-24-000011 · form4.xml · nonDerivative · entry 2

Noll Shaun · CIK 0001821774 · Director · 10% owner

WWT Opportunity #1 LLC · CIK 0002003178 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 53,301,893

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: On January 9, 2024, DIRTT Environmental Solutions Lts. ("DIRTT") announced the results of its CA$30.0 million rights offering (the "Rights Offering"). Each subscription right was exercisable for 0.81790023 DIRTT Common Shares, rounded down to the nearest whole number, together with oversubscription rights. The reporting persons participated in the Rights Offering in full, as well as exercising their oversubscription rights, at a subscription price of CA$0.35 per DIRTT Common Share. The number of Common Shares reported above includes the allocation pursuant to the reporting persons' exercise of their oversubscription rights.

F2 · price: The subscription price of US$0.2614 per Common Share reported above is based on the January 9, 2024 daily exchange rate of CA$1.3391 per $US$1.00, as published by the Bank of Canada on January 15, 2024.

F3 · ownership.nature: These securities are held by WWT Opportunity #1 LLC ("WWT1"). Shaun Noll, as the Managing Member of WWT1, may be deemed a beneficial owner of securities held by WWT1, but disclaims such beneficial ownership except to the extent of his pecuniary interest therein.

SEC source: 0000895345-24-000011 · form4.xml · nonDerivative · entry 1

Noll Shaun · CIK 0001821774 · Director · 10% owner

WWT Opportunity #1 LLC · CIK 0002003178 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 78,860

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: On January 9, 2024, DIRTT Environmental Solutions Lts. ("DIRTT") announced the results of its CA$30.0 million rights offering (the "Rights Offering"). Each subscription right was exercisable for 0.81790023 DIRTT Common Shares, rounded down to the nearest whole number, together with oversubscription rights. The reporting persons participated in the Rights Offering in full, as well as exercising their oversubscription rights, at a subscription price of CA$0.35 per DIRTT Common Share. The number of Common Shares reported above includes the allocation pursuant to the reporting persons' exercise of their oversubscription rights.

F2 · price: The subscription price of US$0.2614 per Common Share reported above is based on the January 9, 2024 daily exchange rate of CA$1.3391 per $US$1.00, as published by the Bank of Canada on January 15, 2024.

SEC source: 0000950170-24-005907 · ownership.xml · nonDerivative · entry 1

Khan Fareeha · CIK 0001991412 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 91,357

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · shares: Represents the number of common shares of the issuer that the reporting person purchased in the issuer's rights offering pursuant to the exercise of her additional subscription privilege, which entitled eligible holders of rights who fully exercised their basic subscription privilege the right to purchase additional common shares that remained unsubscribed for at the expiration of the rights offering at a price of C$0.35 per whole common share, on a pro rata basis. The reporting person exercised her basic subscription privilege in full, as previously reported on Form 4. The rights offering closed on January 9, 2024. The reporting person did not receive confirmation of the receipt of the common shares issued pursuant to the exercise of the additional subscription privilege until January 18, 2024.

F2 · price: The effective purchase price of the common shares of the issuer underlying the subscription rights issued in connection with the issuer's rights offering is C$0.35 per one common share. The reported price was calculated using the exchange rate of US$1.00 equals C$1.3202 as of December 29, 2023, as announced by the Federal Reserve Bank on January 2, 2024.

SEC source: 0001193805-24-000084 · e619202_4-english.xml · derivative · entry 6

English Aron R. · CIK 0001770436 · Director · 10% owner

22NW, LP · CIK 0001694297 · 10% owner

22NW Fund, LP · CIK 0001640809 · 10% owner

22NW Fund GP, LLC · CIK 0001770575 · 10% owner

22NW GP, Inc. · CIK 0001783663 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · By: 22NW Fund, LP

Disclosed balance after: 0

Underlying: Common Shares · 28,191,998 shares

Expires 2024-01-05

F3 · derivative.exercise_price: Represents Canadian dollars (C$).

F4 · ownership.nature: Securities owned directly by 22NW Fund. As the investment manager to 22NW Fund, 22NW may be deemed to beneficially own the securities owned directly by 22NW Fund. As the general partner of 22NW Fund, 22NW GP may be deemed to beneficially own the securities owned directly by 22NW Fund. As the general partner of 22NW, 22NW Inc. may be deemed to beneficially own the securities owned directly by 22NW Fund. Mr. English, as the Portfolio Manager of 22NW, Manager of 22NW GP and President and sole shareholder of 22NW Inc., may be deemed to beneficially own the securities owned directly by 22NW Fund.

SEC source: 0001193805-24-000084 · e619202_4-english.xml · derivative · entry 5

English Aron R. · CIK 0001770436 · Director · 10% owner

22NW, LP · CIK 0001694297 · 10% owner

22NW Fund, LP · CIK 0001640809 · 10% owner

22NW Fund GP, LLC · CIK 0001770575 · 10% owner

22NW GP, Inc. · CIK 0001783663 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Shares · 1,575,057 shares

Expires 2024-01-05

F3 · derivative.exercise_price: Represents Canadian dollars (C$).

SEC source: 0001193805-24-000084 · e619202_4-english.xml · nonDerivative · entry 4

English Aron R. · CIK 0001770436 · Director · 10% owner

22NW, LP · CIK 0001694297 · 10% owner

22NW Fund, LP · CIK 0001640809 · 10% owner

22NW Fund GP, LLC · CIK 0001770575 · 10% owner

22NW GP, Inc. · CIK 0001783663 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · By: 22NW Fund, LP

Disclosed balance after: 49,955,045

F1 · security: This Form 4 is filed jointly by 22NW Fund, LP ("22NW Fund"), 22NW, LP ("22NW"), 22NW Fund GP, LLC ("22NW GP"), 22NW GP, Inc. ("22NW Inc.") and Aron R. English (collectively, the "Reporting Persons"). Each of the Reporting Persons may be deemed to be a member of a Section 13(d) group that collectively beneficially owns more than 10% of the Issuer's outstanding Common Shares. Mr. English is also a director of the Issuer. Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein except to the extent of his or its pecuniary interest therein.

F5 · kind: Represents an internal transfer from 22NW Fund to Mr. English.

F3 · price: Represents Canadian dollars (C$).

F4 · ownership.nature: Securities owned directly by 22NW Fund. As the investment manager to 22NW Fund, 22NW may be deemed to beneficially own the securities owned directly by 22NW Fund. As the general partner of 22NW Fund, 22NW GP may be deemed to beneficially own the securities owned directly by 22NW Fund. As the general partner of 22NW, 22NW Inc. may be deemed to beneficially own the securities owned directly by 22NW Fund. Mr. English, as the Portfolio Manager of 22NW, Manager of 22NW GP and President and sole shareholder of 22NW Inc., may be deemed to beneficially own the securities owned directly by 22NW Fund.

SEC source: 0001193805-24-000084 · e619202_4-english.xml · nonDerivative · entry 3

English Aron R. · CIK 0001770436 · Director · 10% owner

22NW, LP · CIK 0001694297 · 10% owner

22NW Fund, LP · CIK 0001640809 · 10% owner

22NW Fund GP, LLC · CIK 0001770575 · 10% owner

22NW GP, Inc. · CIK 0001783663 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,470,167

F1 · security: This Form 4 is filed jointly by 22NW Fund, LP ("22NW Fund"), 22NW, LP ("22NW"), 22NW Fund GP, LLC ("22NW GP"), 22NW GP, Inc. ("22NW Inc.") and Aron R. English (collectively, the "Reporting Persons"). Each of the Reporting Persons may be deemed to be a member of a Section 13(d) group that collectively beneficially owns more than 10% of the Issuer's outstanding Common Shares. Mr. English is also a director of the Issuer. Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein except to the extent of his or its pecuniary interest therein.

F5 · kind: Represents an internal transfer from 22NW Fund to Mr. English.

F3 · price: Represents Canadian dollars (C$).

SEC source: 0001193805-24-000084 · e619202_4-english.xml · nonDerivative · entry 2

English Aron R. · CIK 0001770436 · Director · 10% owner

22NW, LP · CIK 0001694297 · 10% owner

22NW Fund, LP · CIK 0001640809 · 10% owner

22NW Fund GP, LLC · CIK 0001770575 · 10% owner

22NW GP, Inc. · CIK 0001783663 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · By: 22NW Fund, LP

Disclosed balance after: 54,072,786

F1 · security: This Form 4 is filed jointly by 22NW Fund, LP ("22NW Fund"), 22NW, LP ("22NW"), 22NW Fund GP, LLC ("22NW GP"), 22NW GP, Inc. ("22NW Inc.") and Aron R. English (collectively, the "Reporting Persons"). Each of the Reporting Persons may be deemed to be a member of a Section 13(d) group that collectively beneficially owns more than 10% of the Issuer's outstanding Common Shares. Mr. English is also a director of the Issuer. Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein except to the extent of his or its pecuniary interest therein.

F2 · kind: On January 9, 2024, the Issuer announced the results of its CA$30.0 million rights offering (the "Rights Offering"). Each subscription right was exercisable for 0.81790023 Common Shares, rounded down to the nearest whole number, together with oversubscription rights. The Reporting Persons participated in the Rights Offering in full, as well as exercising their oversubscription rights, at a subscription price of CA$0.35 per Common Share. The number of Common Shares reported above includes the allocation pursuant to the Reporting Persons' exercise of their oversubscription rights. The Reporting Persons did not receive confirmation of the receipt of the Common Shares issued pursuant to the exercise of their oversubscription rights until January 22, 2024.

F3 · price: Represents Canadian dollars (C$).

F4 · ownership.nature: Securities owned directly by 22NW Fund. As the investment manager to 22NW Fund, 22NW may be deemed to beneficially own the securities owned directly by 22NW Fund. As the general partner of 22NW Fund, 22NW GP may be deemed to beneficially own the securities owned directly by 22NW Fund. As the general partner of 22NW, 22NW Inc. may be deemed to beneficially own the securities owned directly by 22NW Fund. Mr. English, as the Portfolio Manager of 22NW, Manager of 22NW GP and President and sole shareholder of 22NW Inc., may be deemed to beneficially own the securities owned directly by 22NW Fund.

SEC source: 0001193805-24-000084 · e619202_4-english.xml · nonDerivative · entry 1

English Aron R. · CIK 0001770436 · Director · 10% owner

22NW, LP · CIK 0001694297 · 10% owner

22NW Fund, LP · CIK 0001640809 · 10% owner

22NW Fund GP, LLC · CIK 0001770575 · 10% owner

22NW GP, Inc. · CIK 0001783663 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,352,427

F1 · security: This Form 4 is filed jointly by 22NW Fund, LP ("22NW Fund"), 22NW, LP ("22NW"), 22NW Fund GP, LLC ("22NW GP"), 22NW GP, Inc. ("22NW Inc.") and Aron R. English (collectively, the "Reporting Persons"). Each of the Reporting Persons may be deemed to be a member of a Section 13(d) group that collectively beneficially owns more than 10% of the Issuer's outstanding Common Shares. Mr. English is also a director of the Issuer. Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein except to the extent of his or its pecuniary interest therein.

F2 · kind: On January 9, 2024, the Issuer announced the results of its CA$30.0 million rights offering (the "Rights Offering"). Each subscription right was exercisable for 0.81790023 Common Shares, rounded down to the nearest whole number, together with oversubscription rights. The Reporting Persons participated in the Rights Offering in full, as well as exercising their oversubscription rights, at a subscription price of CA$0.35 per Common Share. The number of Common Shares reported above includes the allocation pursuant to the Reporting Persons' exercise of their oversubscription rights. The Reporting Persons did not receive confirmation of the receipt of the Common Shares issued pursuant to the exercise of their oversubscription rights until January 22, 2024.

F3 · price: Represents Canadian dollars (C$).

SEC source: 0001193805-24-000086 · e619204_4-jones.xml · derivative · entry 2

Jones Alexander B · CIK 0001888602 · See Explanation of Responses

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Shares · 981 shares

Expires 2024-01-05

F3 · derivative.exercise_price: Represents Canadian dollars (C$).

SEC source: 0001193805-24-000086 · e619204_4-jones.xml · nonDerivative · entry 1

Jones Alexander B · CIK 0001888602 · See Explanation of Responses

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,181

F1 · security: The Reporting Person may be deemed to be a member of a Section 13(d) group that collectively beneficially owns more than 10% of the Issuer's outstanding Common Shares. The Reporting Person disclaims beneficial ownership of the securities of the Issuer owned directly by other members of the Section 13(d) group and this report shall not be deemed an admission that he is the beneficial owner of such securities for purposes of Section 16 or for any other purpose.

F2 · kind: On January 9, 2024, the Issuer announced the results of its CA$30.0 million rights offering (the "Rights Offering"). Each subscription right was exercisable for 0.81790023 Common Shares, rounded down to the nearest whole number, together with oversubscription rights. The Reporting Person exercised his basic subscriptions rights under the Rights Offering in full at a subscription price of CA$0.35 per Common Share.

F3 · price: Represents Canadian dollars (C$).

SEC source: 0001193805-24-000085 · e619203_4-hadley.xml · derivative · entry 2

Hirai-Hadley Bryson · CIK 0001888106 · See Explanation of Responses

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Shares · 1,022 shares

Expires 2024-01-05

F3 · derivative.exercise_price: Represents Canadian dollars (C$).

SEC source: 0001193805-24-000085 · e619203_4-hadley.xml · nonDerivative · entry 1

Hirai-Hadley Bryson · CIK 0001888106 · See Explanation of Responses

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,272

F1 · security: The Reporting Person may be deemed to be a member of a Section 13(d) group that collectively beneficially owns more than 10% of the Issuer's outstanding Common Shares. The Reporting Person disclaims beneficial ownership of the securities of the Issuer owned directly by other members of the Section 13(d) group and this report shall not be deemed an admission that he is the beneficial owner of such securities for purposes of Section 16 or for any other purpose.

F2 · kind: On January 9, 2024, the Issuer announced the results of its CA$30.0 million rights offering (the "Rights Offering"). Each subscription right was exercisable for 0.81790023 Common Shares, rounded down to the nearest whole number, together with oversubscription rights. The Reporting Person exercised his basic subscriptions rights under the Rights Offering in full at a subscription price of CA$0.35 per Common Share.

F3 · price: Represents Canadian dollars (C$).

SEC source: 0000950170-24-011068 · ownership.xml · nonDerivative · entry 1

Khan Fareeha · CIK 0001991412 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 68,251

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · balance_after: On January 19, 2024, the reporting person filed a Form 4 which inadvertently reported that she purchased 40,000 common shares in the issuer's rights offering pursuant to the exercise of her additional subscription privilege. In fact, as reported in this amendment, the reporting person purchased 16,894 common shares pursuant to the exercise of her additional subscription privilege. In addition, the original Form 4 inadvertently reported that, following such purchase, the reporting person directly owned 91,357 common shares. In fact, as reported in this amendment, following such purchase the reporting person directly owned 68,251 common shares.

SEC source: 0000950170-24-013948 · ownership.xml · nonDerivative · entry 1

Urban Benjamin Nicholas · CIK 0001936653 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,126,670

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · shares: Represents the number of common shares of the issuer that the reporting person purchased in the issuer's rights offering pursuant to the exercise of his additional subscription privilege, which entitled eligible holders of rights who fully exercised their basic subscription privilege the right to purchase additional common shares that remained unsubscribed for at the expiration of the rights offering at a price of C$0.35 per whole common share, on a pro rata basis. The reporting person exercised his basic subscription privilege in full, as previously reported on Form 4. The rights offering closed on January 9, 2024.

F2 · price: The effective purchase price of the common shares of the issuer underlying the subscription rights issued in connection with the issuer's rights offering is C$0.35 per one common share. The reported price was calculated using the exchange rate of US$1.00 equals C$1.3202 as of December 29, 2023, as announced by the Federal Reserve Bank on January 2, 2024.

SEC source: 0000921895-24-000718 · form4a110680012_03262024.xml · derivative · entry 2

English Aron R. · CIK 0001770436 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Shares · 1,597,833 shares

Expires 2024-01-05

F3 · derivative.exercise_price: Represents Canadian dollars (C$).

SEC source: 0000921895-24-000718 · form4a110680012_03262024.xml · nonDerivative · entry 1

English Aron R. · CIK 0001770436 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,375,202

F1 · security: This Form 4/A is being filed by Aron English (the "Reporting Person") to amend the prior Form 4 filed by Mr. English and certain other reporting persons with the Securities and Exchange Commission on January 23, 2024. The prior Form 4 is hereby amended to correct the amount of Common Shares the Reporting Person received in the CA$30.0 million rights offering announced by the Issuer on January 9, 2024 (the "Rights Offering") to include an additional 22,776 Common Shares received pursuant to the Reporting Person's exercise of his oversubscription rights in connection with the closing of the Rights Offering. The Reporting Person did not receive confirmation of the final amount of Common Shares allocated pursuant to his oversubscription rights until after the filing of the prior Form 4. Accordingly, the total amount of Common Shares directly owned by the Reporting Person is 7,492,943.

F2 · kind: On January 9, 2024, the Issuer announced the results of the Rights Offering. Each subscription right was exercisable for 0.81790023 Common Shares, rounded down to the nearest whole number, together with oversubscription rights. The Reporting Person participated in the Rights Offering in full, as well as exercising his oversubscription rights, at a subscription price of CA$0.35 per Common Share. The number of Common Shares reported above includes the allocation pursuant to the Reporting Person's exercise of his oversubscription rights.

F3 · price: Represents Canadian dollars (C$).

SEC source: 0000950170-25-039656 · ownership.xml · nonDerivative · entry 1

Noll Shaun · CIK 0001821774 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 69,001

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: On January 9, 2024, DIRTT Environmental Solutions Lts. ("DIRTT") announced the results of its CA$30.0 million rights offering (the "Rights Offering"). Each subscription right was exercisable for 0.81790023 DIRTT Common Shares, rounded down to the nearest whole number, together with oversubscription rights. The reporting persons participated in the Rights Offering in full, as well as exercising their oversubscription rights, at a subscription price of CA$0.35 per DIRTT Common Share. The number of Common Shares reported above includes the allocation pursuant to the reporting persons' exercise of their oversubscription rights.

F2 · price: The subscription price of US$0.2614 per Common Share reported above is based on the January 9, 2024 daily exchange rate of CA$1.3391 per $US$1.00, as published by the Bank of Canada on January 15, 2024.

SEC source: 0000950170-24-003176 · ownership.xml · derivative · entry 2

Robinson Scott L · CIK 0001341765 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 250,000

Underlying: Common Shares · 10,469 shares

Expires 2024-01-05

F2 · derivative.exercise_price: The effective purchase price of the common shares of the issuer underlying the subscription rights issued in connection with the issuer's rights offering is C$0.35 per one common share. The reported price was calculated using the exchange rate of US$1.00 equals C$1.3202 as of December 29, 2023, as announced by the Federal Reserve Bank on January 2, 2024.

F1 · derivative.underlying_shares: Represents the number of common shares of the issuer that the reporting person purchased in the issuer's rights offering pursuant to the exercise of his basic subscription rights. The closing of the rights offering and the issuance of the common shares of the issuer is expected to be on or about January 9, 2024.

F3 · derivative.underlying_shares: Each subscription right is exercisable for 0.81790023 common shares of the issuer. The number of common shares of the issuer reported in Column 7 is rounded down to the nearest whole number. The subscription rights are only exercisable for whole common shares of the issuer.

SEC source: 0000950170-24-003176 · ownership.xml · nonDerivative · entry 1

Robinson Scott L · CIK 0001341765 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 273,269

F1 · shares: Represents the number of common shares of the issuer that the reporting person purchased in the issuer's rights offering pursuant to the exercise of his basic subscription rights. The closing of the rights offering and the issuance of the common shares of the issuer is expected to be on or about January 9, 2024.

F2 · price: The effective purchase price of the common shares of the issuer underlying the subscription rights issued in connection with the issuer's rights offering is C$0.35 per one common share. The reported price was calculated using the exchange rate of US$1.00 equals C$1.3202 as of December 29, 2023, as announced by the Federal Reserve Bank on January 2, 2024.

SEC source: 0000950170-24-003174 · ownership.xml · derivative · entry 2

Urban Benjamin Nicholas · CIK 0001936653 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Shares · 500,963 shares

Expires 2024-01-05

F2 · derivative.exercise_price: The effective purchase price of the common shares of the issuer underlying the subscription rights issued in connection with the issuer's rights offering is C$0.35 per one common share. The reported price was calculated using the exchange rate of US$1.00 equals C$1.3202 as of December 29, 2023, as announced by the Federal Reserve Bank on January 2, 2024.

F1 · derivative.underlying_shares: Represents the number of common shares of the issuer that the reporting person purchased in the issuer's rights offering pursuant to the exercise of his basic subscription rights. The closing of the rights offering and the issuance of the common shares of the issuer is expected to be on or about January 9, 2024.

F3 · derivative.underlying_shares: 3. Each subscription right is exercisable for 0.81790023 common shares of the issuer. The number of common shares of the issuer reported in Column 7 is rounded down to the nearest whole number. The subscription rights are only exercisable for whole common shares of the issuer.

SEC source: 0000950170-24-003174 · ownership.xml · nonDerivative · entry 1

Urban Benjamin Nicholas · CIK 0001936653 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,113,463

F1 · shares: Represents the number of common shares of the issuer that the reporting person purchased in the issuer's rights offering pursuant to the exercise of his basic subscription rights. The closing of the rights offering and the issuance of the common shares of the issuer is expected to be on or about January 9, 2024.

F2 · price: The effective purchase price of the common shares of the issuer underlying the subscription rights issued in connection with the issuer's rights offering is C$0.35 per one common share. The reported price was calculated using the exchange rate of US$1.00 equals C$1.3202 as of December 29, 2023, as announced by the Federal Reserve Bank on January 2, 2024.

SEC source: 0000950170-24-002483 · ownership.xml · derivative · entry 2

Khan Fareeha · CIK 0001991412 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Shares · 23,106 shares

Expires 2024-01-05

F2 · derivative.exercise_price: The effective purchase price of the common shares of the issuer underlying the subscription rights issued in connection with the issuer's rights offering is C$0.35 per one common share. The reported price was calculated using the exchange rate of US$1.00 equals C$1.3202 as of December 29, 2023, as announced by the Federal Reserve Bank on January 2, 2024.

F1 · derivative.underlying_shares: Represents the number of common shares of the issuer that the reporting person purchased in the issuer's rights offering pursuant to the exercise of her basic subscription rights. The closing of the rights offering and the issuance of the common shares of the issuer is expected to be on or about January 9, 2024.

F3 · derivative.underlying_shares: Each subscription right is exercisable for 0.81790023 common shares of the issuer. The number of common shares of the issuer reported in Column 7 is rounded down to the nearest whole number. The subscription rights are only exercisable for whole common shares of the issuer.

SEC source: 0000950170-24-002483 · ownership.xml · nonDerivative · entry 1

Khan Fareeha · CIK 0001991412 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 51,357

F1 · shares: Represents the number of common shares of the issuer that the reporting person purchased in the issuer's rights offering pursuant to the exercise of her basic subscription rights. The closing of the rights offering and the issuance of the common shares of the issuer is expected to be on or about January 9, 2024.

F2 · price: The effective purchase price of the common shares of the issuer underlying the subscription rights issued in connection with the issuer's rights offering is C$0.35 per one common share. The reported price was calculated using the exchange rate of US$1.00 equals C$1.3202 as of December 29, 2023, as announced by the Federal Reserve Bank on January 2, 2024.

SEC source: 0000950170-24-002321 · ownership.xml · derivative · entry 2

HUNTER RICHARD J · CIK 0001742843 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 275,673

Underlying: Common Shares · 285,714 shares

Expires 2024-01-05

F2 · derivative.exercise_price: The effective purchase price of the common shares of the issuer underlying the subscription rights issued in connection with the issuer's rights offering is C$0.35 per one common share. The reported price was calculated using the exchange rate of US$1.00 equals C$1.3202 as of December 29, 2023, as announced by the Federal Reserve Bank on January 2, 2024.

F1 · derivative.underlying_shares: Represents the number of common shares of the issuer that the reporting person purchased in the issuer's rights offering pursuant to the exercise of his basic subscription rights. The closing of the rights offering and the issuance of the common shares of the issuer is expected to be on or about January 9, 2024.

F3 · derivative.underlying_shares: Each subscription right is exercisable for 0.81790023 common shares of the issuer. The number of common shares of the issuer reported in Column 7 is rounded down to the nearest whole number. The subscription rights are only exercisable for whole common shares of the issuer.

SEC source: 0000950170-24-002321 · ownership.xml · nonDerivative · entry 1

HUNTER RICHARD J · CIK 0001742843 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 910,714

F1 · shares: Represents the number of common shares of the issuer that the reporting person purchased in the issuer's rights offering pursuant to the exercise of his basic subscription rights. The closing of the rights offering and the issuance of the common shares of the issuer is expected to be on or about January 9, 2024.

F2 · price: The effective purchase price of the common shares of the issuer underlying the subscription rights issued in connection with the issuer's rights offering is C$0.35 per one common share. The reported price was calculated using the exchange rate of US$1.00 equals C$1.3202 as of December 29, 2023, as announced by the Federal Reserve Bank on January 2, 2024.

SEC source: 0000950170-24-000669 · ownership.xml · derivative · entry 1

Edwards Douglas A · CIK 0001895807 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 515,195

Underlying: Common Shares · 108,273 shares

Expires not disclosed

F1 · derivative.exercise_price: Each deferred share unit ("DSU") was granted pursuant to the DIRTT Environmental Solutions Ltd. Amended and Restated Long Term Incentive Plan and is the economic equivalent of one common share (a "Common Share") of DIRTT Environmental Solutions Ltd. (the "Issuer"). All DSUs settle following the cessation of service and employment with the Issuer (the "Termination Date"). For directors who are subject to taxation in the United States ("US Directors"), the DSUs will settle no later than forty days following the Termination Date. Each DSU will be settled in one Common Share or in the cash equivalent of such Common Shares, calculated based on the closing price of the Common Shares on the day prior to the 30th day following separation from service for US Directors

F2 · price: The price used to calculate the number of DSUs granted was C$0.48, which was the closing price Issuer's Common Shares as reported on the Toronto Stock Exchange on December 29, 2023. The price was converted using the Bank of Canada exchange rate for December 29, 2023 of C$1.3226 = US$1.00

F1 · derivative.exercise_date: Each deferred share unit ("DSU") was granted pursuant to the DIRTT Environmental Solutions Ltd. Amended and Restated Long Term Incentive Plan and is the economic equivalent of one common share (a "Common Share") of DIRTT Environmental Solutions Ltd. (the "Issuer"). All DSUs settle following the cessation of service and employment with the Issuer (the "Termination Date"). For directors who are subject to taxation in the United States ("US Directors"), the DSUs will settle no later than forty days following the Termination Date. Each DSU will be settled in one Common Share or in the cash equivalent of such Common Shares, calculated based on the closing price of the Common Shares on the day prior to the 30th day following separation from service for US Directors

F1 · derivative.expiration_date: Each deferred share unit ("DSU") was granted pursuant to the DIRTT Environmental Solutions Ltd. Amended and Restated Long Term Incentive Plan and is the economic equivalent of one common share (a "Common Share") of DIRTT Environmental Solutions Ltd. (the "Issuer"). All DSUs settle following the cessation of service and employment with the Issuer (the "Termination Date"). For directors who are subject to taxation in the United States ("US Directors"), the DSUs will settle no later than forty days following the Termination Date. Each DSU will be settled in one Common Share or in the cash equivalent of such Common Shares, calculated based on the closing price of the Common Shares on the day prior to the 30th day following separation from service for US Directors

SEC source: 0000950170-24-000659 · ownership.xml · derivative · entry 1

Ryan Scott C · CIK 0001895408 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 559,263

Underlying: Common Shares · 124,805 shares

Expires not disclosed

F1 · derivative.exercise_price: Each deferred share unit ("DSU") was granted pursuant to the DIRTT Environmental Solutions Ltd. Amended and Restated Long Term Incentive Plan and is the economic equivalent of one common share (a "Common Share") of DIRTT Environmental Solutions Ltd. (the "Issuer"). All DSUs settle following the cessation of service and employment with the Issuer (the "Termination Date"). For directors who are subject to taxation in the United States ("US Directors"), the DSUs will settle no later than forty days following the Termination Date. Each DSU will be settled in one Common Share or in the cash equivalent of such Common Shares, calculated based on the closing price of the Common Shares on the day prior to the 30th day following separation from service for US Directors

F1 · derivative.exercise_date: Each deferred share unit ("DSU") was granted pursuant to the DIRTT Environmental Solutions Ltd. Amended and Restated Long Term Incentive Plan and is the economic equivalent of one common share (a "Common Share") of DIRTT Environmental Solutions Ltd. (the "Issuer"). All DSUs settle following the cessation of service and employment with the Issuer (the "Termination Date"). For directors who are subject to taxation in the United States ("US Directors"), the DSUs will settle no later than forty days following the Termination Date. Each DSU will be settled in one Common Share or in the cash equivalent of such Common Shares, calculated based on the closing price of the Common Shares on the day prior to the 30th day following separation from service for US Directors

F1 · derivative.expiration_date: Each deferred share unit ("DSU") was granted pursuant to the DIRTT Environmental Solutions Ltd. Amended and Restated Long Term Incentive Plan and is the economic equivalent of one common share (a "Common Share") of DIRTT Environmental Solutions Ltd. (the "Issuer"). All DSUs settle following the cessation of service and employment with the Issuer (the "Termination Date"). For directors who are subject to taxation in the United States ("US Directors"), the DSUs will settle no later than forty days following the Termination Date. Each DSU will be settled in one Common Share or in the cash equivalent of such Common Shares, calculated based on the closing price of the Common Shares on the day prior to the 30th day following separation from service for US Directors

F2 · balance_after: The price used to calculate the number of DSUs granted was C$0.48, which was the closing price Issuer's Common Shares as reported on the Toronto Stock Exchange on December 29, 2023. The price was converted using the Bank of Canada exchange rate for December 29, 2023 of C$1.3226 = US$1.00

SEC source: 0000950170-24-000650 · ownership.xml · derivative · entry 1

Sanders Kenneth D · CIK 0001895179 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 577,691

Underlying: Common Shares · 103,045 shares

Expires not disclosed

F1 · derivative.exercise_price: Each deferred share unit ("DSU") was granted pursuant to the DIRTT Environmental Solutions Ltd. Amended and Restated Long Term Incentive Plan and is the economic equivalent of one common share (a "Common Share") of DIRTT Environmental Solutions Ltd. (the "Issuer"). All DSUs settle following the cessation of service and employment with the Issuer (the "Termination Date"). For directors who are subject to taxation in the United States ("US Directors"), the DSUs will settle no later than forty days following the Termination Date. Each DSU will be settled in one Common Share or in the cash equivalent of such Common Shares, calculated based on the closing price of the Common Shares on the day prior to the 30th day following separation from service for US Directors

F2 · price: The price used to calculate the number of DSUs granted was C$0.48, which was the closing price Issuer's Common Shares as reported on the Toronto Stock Exchange on December 29, 2023. The price was converted using the Bank of Canada exchange rate for December 29, 2023 of C$1.3226 = US$1.00

F1 · derivative.exercise_date: Each deferred share unit ("DSU") was granted pursuant to the DIRTT Environmental Solutions Ltd. Amended and Restated Long Term Incentive Plan and is the economic equivalent of one common share (a "Common Share") of DIRTT Environmental Solutions Ltd. (the "Issuer"). All DSUs settle following the cessation of service and employment with the Issuer (the "Termination Date"). For directors who are subject to taxation in the United States ("US Directors"), the DSUs will settle no later than forty days following the Termination Date. Each DSU will be settled in one Common Share or in the cash equivalent of such Common Shares, calculated based on the closing price of the Common Shares on the day prior to the 30th day following separation from service for US Directors

F1 · derivative.expiration_date: Each deferred share unit ("DSU") was granted pursuant to the DIRTT Environmental Solutions Ltd. Amended and Restated Long Term Incentive Plan and is the economic equivalent of one common share (a "Common Share") of DIRTT Environmental Solutions Ltd. (the "Issuer"). All DSUs settle following the cessation of service and employment with the Issuer (the "Termination Date"). For directors who are subject to taxation in the United States ("US Directors"), the DSUs will settle no later than forty days following the Termination Date. Each DSU will be settled in one Common Share or in the cash equivalent of such Common Shares, calculated based on the closing price of the Common Shares on the day prior to the 30th day following separation from service for US Directors

SEC source: 0000950170-24-000665 · ownership.xml · derivative · entry 1

Robinson Scott L · CIK 0001341765 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 567,448

Underlying: Common Shares · 126,523 shares

Expires not disclosed

F1 · derivative.exercise_price: Each deferred share unit ("DSU") was granted pursuant to the DIRTT Environmental Solutions Ltd. Amended and Restated Long Term Incentive Plan and is the economic equivalent of one common share (a "Common Share") of DIRTT Environmental Solutions Ltd. (the "Issuer"). All DSUs settle following the cessation of service and employment with the Issuer (the "Termination Date"). For directors who are subject to taxation in the United States ("US Directors"), the DSUs will settle no later than forty days following the Termination Date. Each DSU will be settled in one Common Share or in the cash equivalent of such Common Shares, calculated based on the closing price of the Common Shares on the day prior to the 30th day following separation from service for US Directors

F1 · deemedExecutionDate: Each deferred share unit ("DSU") was granted pursuant to the DIRTT Environmental Solutions Ltd. Amended and Restated Long Term Incentive Plan and is the economic equivalent of one common share (a "Common Share") of DIRTT Environmental Solutions Ltd. (the "Issuer"). All DSUs settle following the cessation of service and employment with the Issuer (the "Termination Date"). For directors who are subject to taxation in the United States ("US Directors"), the DSUs will settle no later than forty days following the Termination Date. Each DSU will be settled in one Common Share or in the cash equivalent of such Common Shares, calculated based on the closing price of the Common Shares on the day prior to the 30th day following separation from service for US Directors

F2 · price: The price used to calculate the number of DSUs granted was C$0.48, which was the closing price Issuer's Common Shares as reported on the Toronto Stock Exchange on December 29, 2023. The price was converted using the Bank of Canada exchange rate for December 29, 2023 of C$1.3226 = US$1.00

F1 · derivative.exercise_date: Each deferred share unit ("DSU") was granted pursuant to the DIRTT Environmental Solutions Ltd. Amended and Restated Long Term Incentive Plan and is the economic equivalent of one common share (a "Common Share") of DIRTT Environmental Solutions Ltd. (the "Issuer"). All DSUs settle following the cessation of service and employment with the Issuer (the "Termination Date"). For directors who are subject to taxation in the United States ("US Directors"), the DSUs will settle no later than forty days following the Termination Date. Each DSU will be settled in one Common Share or in the cash equivalent of such Common Shares, calculated based on the closing price of the Common Shares on the day prior to the 30th day following separation from service for US Directors

F1 · derivative.expiration_date: Each deferred share unit ("DSU") was granted pursuant to the DIRTT Environmental Solutions Ltd. Amended and Restated Long Term Incentive Plan and is the economic equivalent of one common share (a "Common Share") of DIRTT Environmental Solutions Ltd. (the "Issuer"). All DSUs settle following the cessation of service and employment with the Issuer (the "Termination Date"). For directors who are subject to taxation in the United States ("US Directors"), the DSUs will settle no later than forty days following the Termination Date. Each DSU will be settled in one Common Share or in the cash equivalent of such Common Shares, calculated based on the closing price of the Common Shares on the day prior to the 30th day following separation from service for US Directors