DRTTF

SEC source: 0000950170-24-000655 · ownership.xml · derivative · entry 1

Noll Shaun · CIK 0001821774 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 439,259

Underlying: Common Shares · 92,099 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: 0000950170-24-000653 · ownership.xml · derivative · entry 1

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 427,315

Underlying: Common Shares · 75,566 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 on the stock exchange which has the greatest trading volume of Common Shares for the previous six months

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 on the stock exchange which has the greatest trading volume of Common Shares for the previous six months

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 on the stock exchange which has the greatest trading volume of Common Shares for the previous six months

SEC source: 0000895345-23-000687 · form4.xml · derivative · 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: Indirect · See footnote

Disclosed balance after: 29,479,286

Underlying: Common Shares · 5,957,337 shares

Expires not disclosed

F1 · derivative.exercise_price: The Issuer distributed transferable subscription rights (the "Rights") to purchase up to an aggregate of 85,714,285 Common Shares, at no charge, to holders of record of the Common Shares as of the close of business on December 12, 2023. Subject to the applicable terms and conditions, each Right entitles the holder thereof to purchase 0.81790023 Common Shares from the Issuer at a subscription price of CA$0.35 per whole Common Share, as further described in the Issuer's Free Writing Prospectus filed with the SEC on December 11, 2023.

F2 · price: WWT1 purchased 7,283,697 Rights in private transactions at a price of CA$0.0549 per Right. The purchase price of US$0.0412 per Right reported above is based on the December 20, 2023 daily exchange rate of CA$1.331 per $US$1.00, as published by the Bank of Canada on December 21, 2023.

F1 · derivative.exercise_date: The Issuer distributed transferable subscription rights (the "Rights") to purchase up to an aggregate of 85,714,285 Common Shares, at no charge, to holders of record of the Common Shares as of the close of business on December 12, 2023. Subject to the applicable terms and conditions, each Right entitles the holder thereof to purchase 0.81790023 Common Shares from the Issuer at a subscription price of CA$0.35 per whole Common Share, as further described in the Issuer's Free Writing Prospectus filed with the SEC on December 11, 2023.

F1 · derivative.expiration_date: The Issuer distributed transferable subscription rights (the "Rights") to purchase up to an aggregate of 85,714,285 Common Shares, at no charge, to holders of record of the Common Shares as of the close of business on December 12, 2023. Subject to the applicable terms and conditions, each Right entitles the holder thereof to purchase 0.81790023 Common Shares from the Issuer at a subscription price of CA$0.35 per whole Common Share, as further described in the Issuer's Free Writing Prospectus filed with the SEC on December 11, 2023.

F1 · derivative.underlying_shares: The Issuer distributed transferable subscription rights (the "Rights") to purchase up to an aggregate of 85,714,285 Common Shares, at no charge, to holders of record of the Common Shares as of the close of business on December 12, 2023. Subject to the applicable terms and conditions, each Right entitles the holder thereof to purchase 0.81790023 Common Shares from the Issuer at a subscription price of CA$0.35 per whole Common Share, as further described in the Issuer's Free Writing Prospectus filed with the SEC on December 11, 2023.

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: 0000921895-23-002704 · form410680012_12012023.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: Indirect · By: 22NW Fund, LP

Disclosed balance after: 25,880,788

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 · price: Represents Canadian dollars (C$).

F3 · 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: 0000895345-23-000669 · form4.xml · nonDerivative · entry 3

Noll Shaun · CIK 0001821774 · Director · 10% owner

Briger Peter L JR · CIK 0001380193 · Former member of 10% group.

726 BC LLC · CIK 0001835261 · Former member of 10% group.

Briger Matthew · CIK 0001835334 · Former member of 10% group.

726 BF LLC · CIK 0001835423 · Former member of 10% group.

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

10b5-1 filing: No plan indicated

Ownership: Indirect · WWT Opportunity #1 LLC

Disclosed balance after: 22,185,432

F4 · price: WWT1 purchased these Common Shares from a third party for CA$0.38 per Common Share. The price of US$0.2813 per Common Share reported above reflects a daily exchange rate of CA$1.3507 per US dollar on December 1, 2023, as reported by the Bank of Canada on December 4, 2023.

F5 · ownership.direct: Mr. Noll, as the Managing Member of WWT1, may be deemed a beneficial owner of Common Shares held by WWT1, but disclaims such beneficial ownership except to the extent of his pecuniary interest therein.

SEC source: 0000895345-23-000669 · form4.xml · nonDerivative · entry 2

Noll Shaun · CIK 0001821774 · Director · 10% owner

Briger Peter L JR · CIK 0001380193 · Former member of 10% group.

726 BC LLC · CIK 0001835261 · Former member of 10% group.

Briger Matthew · CIK 0001835334 · Former member of 10% group.

726 BF LLC · CIK 0001835423 · Former member of 10% group.

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By 726 BF LLC

Disclosed balance after: 0

F1 · kind: On December 1, 2023: 726 BF LLC ("726 BF") contributed 11,928,214 DIRTT Environmental Solutions Ltd. common shares (the "Common Shares"), no par value, to a newly-formed LLC, WWT Opportunity #1 LLC ("WWT1"); 726 BC LLC ("726 BC") contributed 4,996,844 Common Shares to WWT1; and Shaun Noll contributed 1,320,449 Common Shares to WWT1.

F1 · price: On December 1, 2023: 726 BF LLC ("726 BF") contributed 11,928,214 DIRTT Environmental Solutions Ltd. common shares (the "Common Shares"), no par value, to a newly-formed LLC, WWT Opportunity #1 LLC ("WWT1"); 726 BC LLC ("726 BC") contributed 4,996,844 Common Shares to WWT1; and Shaun Noll contributed 1,320,449 Common Shares to WWT1.

F3 · ownership.direct: Matthew Briger, as the Manager of 726 BC, may be deemed to beneficially own the shares of the Issuer owned directly by 726 BC. Mr. Noll was delegated power to dispose of the securities owned by 726 BC and, accordingly, Mr. Noll may have been deemed to beneficially own the Common Shares held by 726 BC for the purposes of Section 13(d) of the Exchange Act. This Form 4 shall not be deemed an admission that Mr. Noll was, for purposes of Section 16 of the Exchange Act, a beneficial owner of Common Shares held by 726 BC.

SEC source: 0000895345-23-000669 · form4.xml · nonDerivative · entry 1

Noll Shaun · CIK 0001821774 · Director · 10% owner

Briger Peter L JR · CIK 0001380193 · Former member of 10% group.

726 BC LLC · CIK 0001835261 · Former member of 10% group.

Briger Matthew · CIK 0001835334 · Former member of 10% group.

726 BF LLC · CIK 0001835423 · Former member of 10% group.

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By 726 BC LLC

Disclosed balance after: 0

F1 · kind: On December 1, 2023: 726 BF LLC ("726 BF") contributed 11,928,214 DIRTT Environmental Solutions Ltd. common shares (the "Common Shares"), no par value, to a newly-formed LLC, WWT Opportunity #1 LLC ("WWT1"); 726 BC LLC ("726 BC") contributed 4,996,844 Common Shares to WWT1; and Shaun Noll contributed 1,320,449 Common Shares to WWT1.

F1 · price: On December 1, 2023: 726 BF LLC ("726 BF") contributed 11,928,214 DIRTT Environmental Solutions Ltd. common shares (the "Common Shares"), no par value, to a newly-formed LLC, WWT Opportunity #1 LLC ("WWT1"); 726 BC LLC ("726 BC") contributed 4,996,844 Common Shares to WWT1; and Shaun Noll contributed 1,320,449 Common Shares to WWT1.

F2 · ownership.direct: Peter Briger, as the Manager of 726 BF, may have been deemed to beneficially own the Common Shares held by 726 BF. Mr. Noll was delegated power to dispose of the securities owned by 726 BF and, accordingly, Mr. Noll may have been deemed to beneficially own the Common Shares held by 726 BF for the purposes of Section 13(d) of the Securities Exchange Act of 1934 (the "Exchange Act"). This Form 4 shall not be deemed an admission that Mr. Noll was, for purposes of Section 16 of the Exchange Act, a beneficial owner of Common Shares held by 726 BF.

SEC source: 0000950170-23-051658 · ownership.xml · derivative · entry 1

Edwards Douglas A · CIK 0001895807 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 406,922

Underlying: Common Shares · 77,968 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 on the stock exchange which has the greatest trading volume of Common Shares for the previous six months

F2 · price: The price used to calculate the number of DSUs granted was C$0.56, which was the closing price Issuer's Common Shares as reported on the Toronto Stock Exchange on September 29, 2023. The price was converted using the Bank of Canada exchange rate for September 29, 2023 of C$1.3520 = 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 on the stock exchange which has the greatest trading volume of Common Shares for the previous six months

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 on the stock exchange which has the greatest trading volume of Common Shares for the previous six months

SEC source: 0000950170-23-051626 · ownership.xml · derivative · entry 1

Ryan Scott C · CIK 0001895408 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 434,458

Underlying: Common Shares · 92,454 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 on the stock exchange which has the greatest trading volume of Common Shares for the previous six months

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 on the stock exchange which has the greatest trading volume of Common Shares for the previous six months

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 on the stock exchange which has the greatest trading volume of Common Shares for the previous six months

F2 · balance_after: The price used to calculate the number of DSUs granted was C$0.56, which was the closing price Issuer's Common Shares as reported on the Toronto Stock Exchange on September 29, 2023. The price was converted using the Bank of Canada exchange rate for September 29, 2023 of C$1.3520 = US$1.00

SEC source: 0000950170-23-051625 · ownership.xml · derivative · entry 1

Sanders Kenneth D · CIK 0001895179 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 474,646

Underlying: Common Shares · 90,288 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 on the stock exchange which has the greatest trading volume of Common Shares for the previous six months

F2 · price: The price used to calculate the number of DSUs granted was C$0.56, which was the closing price Issuer's Common Shares as reported on the Toronto Stock Exchange on September 29, 2023. The price was converted using the Bank of Canada exchange rate for September 29, 2023 of C$1.3520 = 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 on the stock exchange which has the greatest trading volume of Common Shares for the previous six months

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 on the stock exchange which has the greatest trading volume of Common Shares for the previous six months

SEC source: 0000950170-23-051629 · ownership.xml · derivative · entry 1

Robinson Scott L · CIK 0001341765 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 440,925

Underlying: Common Shares · 91,544 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 on the stock exchange which has the greatest trading volume of Common Shares for the previous six months

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 on the stock exchange which has the greatest trading volume of Common Shares for the previous six months

F2 · price: The price used to calculate the number of DSUs granted was C$0.56, which was the closing price Issuer's Common Shares as reported on the Toronto Stock Exchange on September 29, 2023. The price was converted using the Bank of Canada exchange rate for September 29, 2023 of C$1.3520 = 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 on the stock exchange which has the greatest trading volume of Common Shares for the previous six months

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 on the stock exchange which has the greatest trading volume of Common Shares for the previous six months

SEC source: 0000950170-23-051628 · ownership.xml · derivative · entry 1

Noll Shaun · CIK 0001821774 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 347,160

Underlying: Common Shares · 78,282 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 on the stock exchange which has the greatest trading volume of Common Shares for the previous six months

F2 · price: The price used to calculate the number of DSUs granted was C$0.56, which was the closing price Issuer's Common Shares as reported on the Toronto Stock Exchange on September 29, 2023. The price was converted using the Bank of Canada exchange rate for September 29, 2023 of C$1.3520 = 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 on the stock exchange which has the greatest trading volume of Common Shares for the previous six months

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 on the stock exchange which has the greatest trading volume of Common Shares for the previous six months

SEC source: 0000950170-23-051627 · ownership.xml · derivative · entry 1

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 351,749

Underlying: Common Shares · 66,211 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 on the stock exchange which has the greatest trading volume of Common Shares for the previous six months

F2 · price: The price used to calculate the number of DSUs granted was C$0.56, which was the closing price Issuer's Common Shares as reported on the Toronto Stock Exchange on September 29, 2023. The price was converted using the Bank of Canada exchange rate for September 29, 2023 of C$1.3520 = 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 on the stock exchange which has the greatest trading volume of Common Shares for the previous six months

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 on the stock exchange which has the greatest trading volume of Common Shares for the previous six months

SEC source: 0000950170-23-049456 · ownership.xml · nonDerivative · entry 3

Noll Shaun · CIK 0001821774 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,330,606

F3 · price: The price reported in column 4 is a weighted average price. The price was converted using the Bank of Canada exchange rate for September 20, 2023 of C$1.3466 = US$1.00.

SEC source: 0000921895-23-002206 · form410680012_09212023.xml · derivative · 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: Not disclosed

Underlying: Common Shares · 3,247,143 shares

Expires 2026-12-31

F1 · derivative.exercise_price: Represents Canadian dollars (C$).

F1 · reported_value: Represents Canadian dollars (C$).

F1 · price: Represents Canadian dollars (C$).

F2 · derivative.exercise_date: The 6.00% Convertible Unsecured Debentures due January 2026 and the 6.25% Convertible Unsecured Debentures due December 2026 are convertible as of the date hereof and were convertible commencing from the date of their original issuance.

F3 · derivative.underlying: 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.

F1 · valueOwnedAfter: 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: 0000921895-23-002206 · form410680012_09212023.xml · derivative · 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: Indirect · By: 22NW Fund, LP

Disclosed balance after: Not disclosed

Underlying: Common Shares · 4,067,742 shares

Expires 2026-01-31

F1 · derivative.exercise_price: Represents Canadian dollars (C$).

F1 · reported_value: Represents Canadian dollars (C$).

F1 · price: Represents Canadian dollars (C$).

F2 · derivative.exercise_date: The 6.00% Convertible Unsecured Debentures due January 2026 and the 6.25% Convertible Unsecured Debentures due December 2026 are convertible as of the date hereof and were convertible commencing from the date of their original issuance.

F3 · derivative.underlying: 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.

F1 · valueOwnedAfter: 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: 0000950170-23-049456 · ownership.xml · nonDerivative · entry 2

Noll Shaun · CIK 0001821774 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,250,606

F2 · price: The price reported in column 4 is a weighted average price. The price was converted using the Bank of Canada exchange rate for September 19, 2023 of C$1.3414 = US$1.00.

SEC source: 0000950170-23-049456 · ownership.xml · nonDerivative · entry 1

Noll Shaun · CIK 0001821774 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,146,606

F1 · price: The price reported in column 4 is a weighted average price. The price was converted using the Bank of Canada exchange rate for September 18, 2023 of C$1.3491 = US$1.00.

SEC source: 0000950170-23-045041 · ownership.xml · derivative · entry 1

Khan Fareeha · CIK 0001991412 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 150,000

Underlying: Common Shares · 150,000 shares

Expires not disclosed

F1 · derivative.exercise_price: On August 25, 2023, the reporting person was granted 150,000 RSUs vesting on August 25, 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.

F1 · derivative.exercise_date: On August 25, 2023, the reporting person was granted 150,000 RSUs vesting on August 25, 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.

F1 · derivative.expiration_date: On August 25, 2023, the reporting person was granted 150,000 RSUs vesting on August 25, 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.

SEC source: 0000899243-23-017426 · doc4.xml · derivative · entry 1

Edwards Douglas A · CIK 0001895807 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 328,954

Underlying: Common Shares · 103,495 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 on the stock exchange which has the greatest trading volume of Common Shares for the previous six months.

F2 · price: The price used to calculate the number of DSUs granted was $0.272, which was the closing price Issuer's Common Shares as reported on the NASDAQ Stock Exchange on June 29, 2023.

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 on the stock exchange which has the greatest trading volume of Common Shares for the previous six months.

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 on the stock exchange which has the greatest trading volume of Common Shares for the previous six months.

SEC source: 0000899243-23-017420 · doc4.xml · derivative · entry 1

Ryan Scott C · CIK 0001895408 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 342,004

Underlying: Common Shares · 110,193 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 on the stock exchange which has the greatest trading volume of Common Shares for the previous six months.

F2 · price: The price used to calculate the number of DSUs granted was $0.272, which was the closing price Issuer's Common Shares as reported on the NASDAQ Stock Exchange on June 29, 2023.

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 on the stock exchange which has the greatest trading volume of Common Shares for the previous six months.

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 on the stock exchange which has the greatest trading volume of Common Shares for the previous six months.

SEC source: 0000899243-23-017423 · doc4.xml · derivative · entry 1

Sanders Kenneth D · CIK 0001895179 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 384,358

Underlying: Common Shares · 135,979 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 on the stock exchange which has the greatest trading volume of Common Shares for the previous six months.

F2 · price: The price used to calculate the number of DSUs granted was $0.272, which was the closing price Issuer's Common Shares as reported on the NASDAQ Stock Exchange on June 29, 2023.

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 on the stock exchange which has the greatest trading volume of Common Shares for the previous six months.

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 on the stock exchange which has the greatest trading volume of Common Shares for the previous six months.

SEC source: 0000899243-23-017429 · doc4.xml · derivative · entry 1

Robinson Scott L · CIK 0001341765 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 349,381

Underlying: Common Shares · 112,460 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 on the stock exchange which has the greatest trading volume of Common Shares for the previous six months.

F2 · price: The price used to calculate the number of DSUs granted was $0.272, which was the closing price Issuer's Common Shares as reported on the NASDAQ Stock Exchange on June 29, 2023

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 on the stock exchange which has the greatest trading volume of Common Shares for the previous six months.

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 on the stock exchange which has the greatest trading volume of Common Shares for the previous six months.

SEC source: 0000899243-23-017421 · doc4.xml · derivative · entry 1

Noll Shaun · CIK 0001821774 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 268,878

Underlying: Common Shares · 103,394 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 on the stock exchange which has the greatest trading volume of Common Shares for the previous six months.

F2 · price: The price used to calculate the number of DSUs granted was $0.272, which was the closing price Issuer's Common Shares as reported on the NASDAQ Stock Exchange on June 29, 2023

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 on the stock exchange which has the greatest trading volume of Common Shares for the previous six months.

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 on the stock exchange which has the greatest trading volume of Common Shares for the previous six months.

SEC source: 0000899243-23-017417 · doc4.xml · derivative · entry 1

English Aron R. · CIK 0001770436 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 285,538

Underlying: Common Shares · 103,394 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 on the stock exchange which has the greatest trading volume of Common Shares for the previous six months.

F2 · price: The price used to calculate the number of DSUs granted was $0.272, which was the closing price Issuer's Common Shares as reported on the NASDAQ Stock Exchange on June 29, 2023

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 on the stock exchange which has the greatest trading volume of Common Shares for the previous six months.

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 on the stock exchange which has the greatest trading volume of Common Shares for the previous six months.

SEC source: 0000899243-23-015330 · doc4.xml · nonDerivative · entry 3

Sanders Kenneth D · CIK 0001895179 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 273,250

SEC source: 0000899243-23-015330 · doc4.xml · nonDerivative · entry 2

Sanders Kenneth D · CIK 0001895179 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 263,250

SEC source: 0000899243-23-015330 · doc4.xml · nonDerivative · entry 1

Sanders Kenneth D · CIK 0001895179 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 243,250

SEC source: 0000899243-23-015335 · doc4.xml · derivative · entry 2

Urban Benjamin Nicholas · CIK 0001936653 · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 150,000

Underlying: Common Shares · 150,000 shares

Expires not disclosed

F2 · derivative.exercise_price: On June 7, 2023, the reporting person was granted 150,000 RSUs vesting on 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.

F2 · derivative.exercise_date: On June 7, 2023, the reporting person was granted 150,000 RSUs vesting on 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.

F2 · derivative.expiration_date: On June 7, 2023, the reporting person was granted 150,000 RSUs vesting on 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.

SEC source: 0000899243-23-015335 · doc4.xml · derivative · entry 1

Urban Benjamin Nicholas · CIK 0001936653 · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 375,000

Underlying: Common Shares · 375,000 shares

Expires not disclosed

F1 · derivative.exercise_price: On June 7, 2023, the reporting person was granted 300,000 restricted share units ("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 share of common stock of the Issuer (a "Common Share") 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.

F1 · derivative.exercise_date: On June 7, 2023, the reporting person was granted 300,000 restricted share units ("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 share of common stock of the Issuer (a "Common Share") 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.

F1 · derivative.expiration_date: On June 7, 2023, the reporting person was granted 300,000 restricted share units ("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 share of common stock of the Issuer (a "Common Share") 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.

SEC source: 0000899243-23-015334 · doc4.xml · derivative · entry 2

HUNTER RICHARD J · CIK 0001742843 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 150,000

Underlying: Common Shares · 150,000 shares

Expires not disclosed

F2 · derivative.exercise_price: On June 7, 2023, the reporting person was granted 150,000 RSUs vesting on 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.

F2 · derivative.exercise_date: On June 7, 2023, the reporting person was granted 150,000 RSUs vesting on 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.

F2 · derivative.expiration_date: On June 7, 2023, the reporting person was granted 150,000 RSUs vesting on 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.

SEC source: 0000899243-23-015334 · doc4.xml · derivative · entry 1

HUNTER RICHARD J · CIK 0001742843 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 350,000

Underlying: Common Shares · 350,000 shares

Expires not disclosed

F1 · derivative.exercise_price: On June 7, 2023, the reporting person was granted 300,000 restricted share units ("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 share of common stock of the Issuer (a "Common Share") 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.

F1 · derivative.exercise_date: On June 7, 2023, the reporting person was granted 300,000 restricted share units ("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 share of common stock of the Issuer (a "Common Share") 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.

F1 · derivative.expiration_date: On June 7, 2023, the reporting person was granted 300,000 restricted share units ("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 share of common stock of the Issuer (a "Common Share") 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.

SEC source: 0000899243-23-015331 · doc4.xml · derivative · entry 2

Little Bradley Scott · CIK 0001589569 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 150,000

Underlying: Common Shares · 150,000 shares

Expires not disclosed

F2 · derivative.exercise_price: On June 7, 2023, the reporting person was granted 150,000 RSUs vesting on 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.

F2 · derivative.exercise_date: On June 7, 2023, the reporting person was granted 150,000 RSUs vesting on 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.

F2 · derivative.expiration_date: On June 7, 2023, the reporting person was granted 150,000 RSUs vesting on 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.

SEC source: 0000899243-23-015331 · doc4.xml · derivative · entry 1

Little Bradley Scott · CIK 0001589569 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 300,000

Underlying: Common Shares · 300,000 shares

Expires not disclosed

F1 · derivative.exercise_price: On June 7, 2023, the reporting person was granted 300,000 restricted share units ("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 share of common stock of the Issuer (a "Common Share") 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.

F1 · derivative.exercise_date: On June 7, 2023, the reporting person was granted 300,000 restricted share units ("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 share of common stock of the Issuer (a "Common Share") 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.

F1 · derivative.expiration_date: On June 7, 2023, the reporting person was granted 300,000 restricted share units ("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 share of common stock of the Issuer (a "Common Share") 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.

SEC source: 0000921895-23-001414 · form410680012_06022023.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: Indirect · By: 22NW Fund, LP

Disclosed balance after: 21,356,410

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 May 31, 2023, the Issuer announced that shareholders approved the issuance of 3,899,745 Common Shares to 22NW Fund, at a deemed price of $0.40 per Common Share, as reimbursement for legal fees and other expenses incurred by the Reporting Persons in connection with the contested director election at the Issuer's 2022 annual and special meeting.

F2 · price: On May 31, 2023, the Issuer announced that shareholders approved the issuance of 3,899,745 Common Shares to 22NW Fund, at a deemed price of $0.40 per Common Share, as reimbursement for legal fees and other expenses incurred by the Reporting Persons in connection with the contested director election at the Issuer's 2022 annual and special meeting.

F3 · 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: 0000899243-23-017427 · doc4.xml · derivative · entry 1

Mitchell Cory · CIK 0001888112 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 220,590

Underlying: Common Shares · 46,725 shares

Expires not disclosed

F1 · derivative.exercise_price: Each deferred share unit is the economic equivalent of one share of the Issuer's Common Shares. Generally, thirty days following the date that the Reporting Person ceases to serve on the board of directors of the Issuer, the deferred share units will be settled in cash based on the volume weighted average price of the Common Shares for the five immediately preceding days on which the Common Shares were trading on the Toronto Stock Exchange; provided, however that if the Issuer's Common Shares are trading on more than one exchange at such time, such calculation shall be based on the trading price over such five day period on the stock exchange with the higher average trading volume over the twenty trading days immediately prior to such date (such price the "Market Value").

F2 · price: The price used to calculate the number of DSUs granted was $0.36, which was the Market Value of the Issuer's Common Shares on the date of grant

F1 · derivative.exercise_date: Each deferred share unit is the economic equivalent of one share of the Issuer's Common Shares. Generally, thirty days following the date that the Reporting Person ceases to serve on the board of directors of the Issuer, the deferred share units will be settled in cash based on the volume weighted average price of the Common Shares for the five immediately preceding days on which the Common Shares were trading on the Toronto Stock Exchange; provided, however that if the Issuer's Common Shares are trading on more than one exchange at such time, such calculation shall be based on the trading price over such five day period on the stock exchange with the higher average trading volume over the twenty trading days immediately prior to such date (such price the "Market Value").

F1 · derivative.expiration_date: Each deferred share unit is the economic equivalent of one share of the Issuer's Common Shares. Generally, thirty days following the date that the Reporting Person ceases to serve on the board of directors of the Issuer, the deferred share units will be settled in cash based on the volume weighted average price of the Common Shares for the five immediately preceding days on which the Common Shares were trading on the Toronto Stock Exchange; provided, however that if the Issuer's Common Shares are trading on more than one exchange at such time, such calculation shall be based on the trading price over such five day period on the stock exchange with the higher average trading volume over the twenty trading days immediately prior to such date (such price the "Market Value").

SEC source: 0000950170-23-023476 · ownership.xml · nonDerivative · entry 1

Somayaji Nandini · CIK 0001941797 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 46,601

F1 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from C$0.485 - C$0.49, inclusive. The price was converted using the Bank of Canada exchange rate for May 18, 2023 of C$1.35 = US$1.00. The reporting person undertakes to provide to DIRTT Environmental Solutions Ltd., any security holder of DIRTT Environmental Solutions Ltd., or the staff of the Securities and Exchange Commission, upon request, full information regarding the shares purchased.

SEC source: 0000950170-23-022859 · ownership.xml · nonDerivative · entry 3

Somayaji Nandini · CIK 0001941797 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 62,462

F2 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from C$0.455 - C$0.4721, inclusive. The price was converted using the Bank of Canada exchange rate for May 16, 2023 of C$1.3456 = US$1.00. The reporting person undertakes to provide to DIRTT Environmental Solutions Ltd., any security holder of DIRTT Environmental Solutions Ltd., or the staff of the Securities and Exchange Commission, upon request, full information regarding the shares sold.

SEC source: 0000950170-23-022861 · ownership.xml · nonDerivative · entry 2

Greffen Mark · CIK 0001788915 · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 200,824

F1 · kind: On May 15, 2023, the reporting person was granted 52,352 share awards ("Share Awards"), and 26,176 shares were sold to pay income taxes. The shares were sold at C$0.50, and the price was converted using the Bank of Canada exchange rate for May 15, 2023 of C$1.3487 = US$1.00. Each Share Award represents an unrestricted Common Share of the Issuer.

F1 · price: On May 15, 2023, the reporting person was granted 52,352 share awards ("Share Awards"), and 26,176 shares were sold to pay income taxes. The shares were sold at C$0.50, and the price was converted using the Bank of Canada exchange rate for May 15, 2023 of C$1.3487 = US$1.00. Each Share Award represents an unrestricted Common Share of the Issuer.

SEC source: 0000950170-23-022861 · ownership.xml · nonDerivative · entry 1

Greffen Mark · CIK 0001788915 · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 227,000

F1 · security: On May 15, 2023, the reporting person was granted 52,352 share awards ("Share Awards"), and 26,176 shares were sold to pay income taxes. The shares were sold at C$0.50, and the price was converted using the Bank of Canada exchange rate for May 15, 2023 of C$1.3487 = US$1.00. Each Share Award represents an unrestricted Common Share of the Issuer.

F1 · price: On May 15, 2023, the reporting person was granted 52,352 share awards ("Share Awards"), and 26,176 shares were sold to pay income taxes. The shares were sold at C$0.50, and the price was converted using the Bank of Canada exchange rate for May 15, 2023 of C$1.3487 = US$1.00. Each Share Award represents an unrestricted Common Share of the Issuer.

SEC source: 0000950170-23-022859 · ownership.xml · nonDerivative · entry 2

Somayaji Nandini · CIK 0001941797 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 74,750

F1 · security: On May 15, 2023, the reporting person was granted 52,352 share awards ("Share Awards"), and 16,001 shares were sold to pay income taxes. The shares were sold at C$0.50, and the price was converted using the Bank of Canada exchange rate for May 15, 2023 of C$1.3487 = US$1.00. Each Share Award represents an unrestricted Common Share of the Issuer.

F1 · kind: On May 15, 2023, the reporting person was granted 52,352 share awards ("Share Awards"), and 16,001 shares were sold to pay income taxes. The shares were sold at C$0.50, and the price was converted using the Bank of Canada exchange rate for May 15, 2023 of C$1.3487 = US$1.00. Each Share Award represents an unrestricted Common Share of the Issuer.

F1 · price: On May 15, 2023, the reporting person was granted 52,352 share awards ("Share Awards"), and 16,001 shares were sold to pay income taxes. The shares were sold at C$0.50, and the price was converted using the Bank of Canada exchange rate for May 15, 2023 of C$1.3487 = US$1.00. Each Share Award represents an unrestricted Common Share of the Issuer.

SEC source: 0000950170-23-022859 · ownership.xml · nonDerivative · entry 1

Somayaji Nandini · CIK 0001941797 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 90,751

F1 · security: On May 15, 2023, the reporting person was granted 52,352 share awards ("Share Awards"), and 16,001 shares were sold to pay income taxes. The shares were sold at C$0.50, and the price was converted using the Bank of Canada exchange rate for May 15, 2023 of C$1.3487 = US$1.00. Each Share Award represents an unrestricted Common Share of the Issuer.

F1 · price: On May 15, 2023, the reporting person was granted 52,352 share awards ("Share Awards"), and 16,001 shares were sold to pay income taxes. The shares were sold at C$0.50, and the price was converted using the Bank of Canada exchange rate for May 15, 2023 of C$1.3487 = US$1.00. Each Share Award represents an unrestricted Common Share of the Issuer.

SEC source: 0000899243-23-010590 · doc4.xml · derivative · entry 1

Edwards Douglas A · CIK 0001895807 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 225,459

Underlying: Common Shares · 61,119 shares

Expires not disclosed

F1 · derivative.exercise_price: Each deferred share unit is the economic equivalent of one share of the Issuer's Common Shares. Generally, thirty days following the date that the Reporting Person ceases to serve on the board of directors of the Issuer, the deferred share units will be settled in cash based on the volume weighted average price of the Common Shares for the five immediately preceding days on which the Common Shares were trading on the Toronto Stock Exchange; provided, however that if the Issuer's Common Shares are trading on more than one exchange at such time, such calculation shall be based on the trading price over such five day period on the stock exchange with the higher average trading volume over the twenty trading days immediately prior to such date (such price the "Market Value").

F2 · price: The price used to calculate the number of DSUs granted was $0.4815, which was the Market Value of the Issuer's Common Shares on the date of grant.

F1 · derivative.exercise_date: Each deferred share unit is the economic equivalent of one share of the Issuer's Common Shares. Generally, thirty days following the date that the Reporting Person ceases to serve on the board of directors of the Issuer, the deferred share units will be settled in cash based on the volume weighted average price of the Common Shares for the five immediately preceding days on which the Common Shares were trading on the Toronto Stock Exchange; provided, however that if the Issuer's Common Shares are trading on more than one exchange at such time, such calculation shall be based on the trading price over such five day period on the stock exchange with the higher average trading volume over the twenty trading days immediately prior to such date (such price the "Market Value").

F1 · derivative.expiration_date: Each deferred share unit is the economic equivalent of one share of the Issuer's Common Shares. Generally, thirty days following the date that the Reporting Person ceases to serve on the board of directors of the Issuer, the deferred share units will be settled in cash based on the volume weighted average price of the Common Shares for the five immediately preceding days on which the Common Shares were trading on the Toronto Stock Exchange; provided, however that if the Issuer's Common Shares are trading on more than one exchange at such time, such calculation shall be based on the trading price over such five day period on the stock exchange with the higher average trading volume over the twenty trading days immediately prior to such date (such price the "Market Value").

SEC source: 0000899243-23-010592 · doc4.xml · derivative · entry 1

Ryan Scott C · CIK 0001895408 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 231,811

Underlying: Common Shares · 63,650 shares

Expires not disclosed

F1 · derivative.exercise_price: Each deferred share unit is the economic equivalent of one share of the Issuer's Common Shares. Generally, thirty days following the date that the Reporting Person ceases to serve on the board of directors of the Issuer, the deferred share units will be settled in cash based on the volume weighted average price of the Common Shares for the five immediately preceding days on which the Common Shares were trading on the Toronto Stock Exchange; provided, however that if the Issuer's Common Shares are trading on more than one exchange at such time, such calculation shall be based on the trading price over such five day period on the stock exchange with the higher average trading volume over the twenty trading days immediately prior to such date (such price the "Market Value").

F2 · price: The price used to calculate the number of DSUs granted was $0.4815, which was the Market Value of the Issuer's Common Shares on the date of grant.

F1 · derivative.exercise_date: Each deferred share unit is the economic equivalent of one share of the Issuer's Common Shares. Generally, thirty days following the date that the Reporting Person ceases to serve on the board of directors of the Issuer, the deferred share units will be settled in cash based on the volume weighted average price of the Common Shares for the five immediately preceding days on which the Common Shares were trading on the Toronto Stock Exchange; provided, however that if the Issuer's Common Shares are trading on more than one exchange at such time, such calculation shall be based on the trading price over such five day period on the stock exchange with the higher average trading volume over the twenty trading days immediately prior to such date (such price the "Market Value").

F1 · derivative.expiration_date: Each deferred share unit is the economic equivalent of one share of the Issuer's Common Shares. Generally, thirty days following the date that the Reporting Person ceases to serve on the board of directors of the Issuer, the deferred share units will be settled in cash based on the volume weighted average price of the Common Shares for the five immediately preceding days on which the Common Shares were trading on the Toronto Stock Exchange; provided, however that if the Issuer's Common Shares are trading on more than one exchange at such time, such calculation shall be based on the trading price over such five day period on the stock exchange with the higher average trading volume over the twenty trading days immediately prior to such date (such price the "Market Value").

SEC source: 0000899243-23-010585 · doc4.xml · derivative · entry 1

Sanders Kenneth D · CIK 0001895179 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 248,379

Underlying: Common Shares · 75,954 shares

Expires not disclosed

F1 · derivative.exercise_price: Each deferred share unit is the economic equivalent of one share of the Issuer's Common Shares. Generally, thirty days following the date that the Reporting Person ceases to serve on the board of directors of the Issuer, the deferred share units will be settled in cash based on the volume weighted average price of the Common Shares for the five immediately preceding days on which the Common Shares were trading on the Toronto Stock Exchange; provided, however that if the Issuer's Common Shares are trading on more than one exchange at such time, such calculation shall be based on the trading price over such five day period on the stock exchange with the higher average trading volume over the twenty trading days immediately prior to such date (such price the "Market Value").

F2 · price: The price used to calculate the number of DSUs granted was $0.4815, which was the Market Value of the Issuer's Common Shares on the date of grant.

F1 · derivative.exercise_date: Each deferred share unit is the economic equivalent of one share of the Issuer's Common Shares. Generally, thirty days following the date that the Reporting Person ceases to serve on the board of directors of the Issuer, the deferred share units will be settled in cash based on the volume weighted average price of the Common Shares for the five immediately preceding days on which the Common Shares were trading on the Toronto Stock Exchange; provided, however that if the Issuer's Common Shares are trading on more than one exchange at such time, such calculation shall be based on the trading price over such five day period on the stock exchange with the higher average trading volume over the twenty trading days immediately prior to such date (such price the "Market Value").

F1 · derivative.expiration_date: Each deferred share unit is the economic equivalent of one share of the Issuer's Common Shares. Generally, thirty days following the date that the Reporting Person ceases to serve on the board of directors of the Issuer, the deferred share units will be settled in cash based on the volume weighted average price of the Common Shares for the five immediately preceding days on which the Common Shares were trading on the Toronto Stock Exchange; provided, however that if the Issuer's Common Shares are trading on more than one exchange at such time, such calculation shall be based on the trading price over such five day period on the stock exchange with the higher average trading volume over the twenty trading days immediately prior to such date (such price the "Market Value").

SEC source: 0000899243-23-010589 · doc4.xml · derivative · entry 1

Robinson Scott L · CIK 0001341765 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 236,921

Underlying: Common Shares · 68,743 shares

Expires not disclosed

F1 · derivative.exercise_price: Each deferred share unit is the economic equivalent of one share of the Issuer's Common Shares. Generally, thirty days following the date that the Reporting Person ceases to serve on the board of directors of the Issuer, the deferred share units will be settled in cash based on the volume weighted average price of the Common Shares for the five immediately preceding days on which the Common Shares were trading on the Toronto Stock Exchange; provided, however that if the Issuer's Common Shares are trading on more than one exchange at such time, such calculation shall be based on the trading price over such five day period on the stock exchange with the higher average trading volume over the twenty trading days immediately prior to such date (such price the "Market Value").

F2 · price: The price used to calculate the number of DSUs granted was $0.4815 which was the Market Value of the Issuer's Common Shares on the date of grant.

F1 · derivative.exercise_date: Each deferred share unit is the economic equivalent of one share of the Issuer's Common Shares. Generally, thirty days following the date that the Reporting Person ceases to serve on the board of directors of the Issuer, the deferred share units will be settled in cash based on the volume weighted average price of the Common Shares for the five immediately preceding days on which the Common Shares were trading on the Toronto Stock Exchange; provided, however that if the Issuer's Common Shares are trading on more than one exchange at such time, such calculation shall be based on the trading price over such five day period on the stock exchange with the higher average trading volume over the twenty trading days immediately prior to such date (such price the "Market Value").

F1 · derivative.expiration_date: Each deferred share unit is the economic equivalent of one share of the Issuer's Common Shares. Generally, thirty days following the date that the Reporting Person ceases to serve on the board of directors of the Issuer, the deferred share units will be settled in cash based on the volume weighted average price of the Common Shares for the five immediately preceding days on which the Common Shares were trading on the Toronto Stock Exchange; provided, however that if the Issuer's Common Shares are trading on more than one exchange at such time, such calculation shall be based on the trading price over such five day period on the stock exchange with the higher average trading volume over the twenty trading days immediately prior to such date (such price the "Market Value").

SEC source: 0000899243-23-010586 · doc4.xml · derivative · entry 1

Mitchell Cory · CIK 0001888112 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 173,855

Underlying: Common Shares · 53,168 shares

Expires not disclosed

F1 · derivative.exercise_price: Each deferred share unit is the economic equivalent of one share of the Issuer's Common Shares. Generally, thirty days following the date that the Reporting Person ceases to serve on the board of directors of the Issuer, the deferred share units will be settled in cash based on the volume weighted average price of the Common Shares for the five immediately preceding days on which the Common Shares were trading on the Toronto Stock Exchange; provided, however that if the Issuer's Common Shares are trading on more than one exchange at such time, such calculation shall be based on the trading price over such five day period on the stock exchange with the higher average trading volume over the twenty trading days immediately prior to such date (such price the "Market Value").

F2 · price: The price used to calculate the number of DSUs granted was $0.4815, which was the Market Value of the Issuer's Common Shares on the date of grant.

F1 · derivative.exercise_date: Each deferred share unit is the economic equivalent of one share of the Issuer's Common Shares. Generally, thirty days following the date that the Reporting Person ceases to serve on the board of directors of the Issuer, the deferred share units will be settled in cash based on the volume weighted average price of the Common Shares for the five immediately preceding days on which the Common Shares were trading on the Toronto Stock Exchange; provided, however that if the Issuer's Common Shares are trading on more than one exchange at such time, such calculation shall be based on the trading price over such five day period on the stock exchange with the higher average trading volume over the twenty trading days immediately prior to such date (such price the "Market Value").

F1 · derivative.expiration_date: Each deferred share unit is the economic equivalent of one share of the Issuer's Common Shares. Generally, thirty days following the date that the Reporting Person ceases to serve on the board of directors of the Issuer, the deferred share units will be settled in cash based on the volume weighted average price of the Common Shares for the five immediately preceding days on which the Common Shares were trading on the Toronto Stock Exchange; provided, however that if the Issuer's Common Shares are trading on more than one exchange at such time, such calculation shall be based on the trading price over such five day period on the stock exchange with the higher average trading volume over the twenty trading days immediately prior to such date (such price the "Market Value").

SEC source: 0000899243-23-010584 · doc4.xml · derivative · entry 1

Noll Shaun · CIK 0001821774 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 165,484

Underlying: Common Shares · 55,699 shares

Expires not disclosed

F1 · derivative.exercise_price: Each deferred share unit is the economic equivalent of one share of the Issuer's Common Shares. Generally, thirty days following the date that the Reporting Person ceases to serve on the board of directors of the Issuer, the deferred share units will be settled in cash based on the volume weighted average price of the Common Shares for the five immediately preceding days on which the Common Shares were trading on the Toronto Stock Exchange; provided, however that if the Issuer's Common Shares are trading on more than one exchange at such time, such calculation shall be based on the trading price over such five day period on the stock exchange with the higher average trading volume over the twenty trading days immediately prior to such date (such price the "Market Value").

F2 · price: The price used to calculate the number of DSUs granted was $0.4815, which was the Market Value of the Issuer's Common Shares on the date of grant.

F1 · derivative.exercise_date: Each deferred share unit is the economic equivalent of one share of the Issuer's Common Shares. Generally, thirty days following the date that the Reporting Person ceases to serve on the board of directors of the Issuer, the deferred share units will be settled in cash based on the volume weighted average price of the Common Shares for the five immediately preceding days on which the Common Shares were trading on the Toronto Stock Exchange; provided, however that if the Issuer's Common Shares are trading on more than one exchange at such time, such calculation shall be based on the trading price over such five day period on the stock exchange with the higher average trading volume over the twenty trading days immediately prior to such date (such price the "Market Value").

F1 · derivative.expiration_date: Each deferred share unit is the economic equivalent of one share of the Issuer's Common Shares. Generally, thirty days following the date that the Reporting Person ceases to serve on the board of directors of the Issuer, the deferred share units will be settled in cash based on the volume weighted average price of the Common Shares for the five immediately preceding days on which the Common Shares were trading on the Toronto Stock Exchange; provided, however that if the Issuer's Common Shares are trading on more than one exchange at such time, such calculation shall be based on the trading price over such five day period on the stock exchange with the higher average trading volume over the twenty trading days immediately prior to such date (such price the "Market Value").

SEC source: 0000899243-23-010581 · doc4.xml · derivative · entry 1

English Aron R. · CIK 0001770436 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 182,144

Underlying: Common Shares · 55,699 shares

Expires not disclosed

F1 · derivative.exercise_price: Each deferred share unit is the economic equivalent of one share of the Issuer's Common Shares. Generally, thirty days following the date that the Reporting Person ceases to serve on the board of directors of the Issuer, the deferred share units will be settled in cash based on the volume weighted average price of the Common Shares for the five immediately preceding days on which the Common Shares were trading on the Toronto Stock Exchange; provided, however that if the Issuer's Common Shares are trading on more than one exchange at such time, such calculation shall be based on the trading price over such five day period on the stock exchange with the higher average trading volume over the twenty trading days immediately prior to such date (such price the "Market Value").

F2 · price: The price used to calculate the number of DSUs granted was $0.4815, which was the Market Value of the Issuer's Common Shares on the date of grant.

F1 · derivative.exercise_date: Each deferred share unit is the economic equivalent of one share of the Issuer's Common Shares. Generally, thirty days following the date that the Reporting Person ceases to serve on the board of directors of the Issuer, the deferred share units will be settled in cash based on the volume weighted average price of the Common Shares for the five immediately preceding days on which the Common Shares were trading on the Toronto Stock Exchange; provided, however that if the Issuer's Common Shares are trading on more than one exchange at such time, such calculation shall be based on the trading price over such five day period on the stock exchange with the higher average trading volume over the twenty trading days immediately prior to such date (such price the "Market Value").

F1 · derivative.expiration_date: Each deferred share unit is the economic equivalent of one share of the Issuer's Common Shares. Generally, thirty days following the date that the Reporting Person ceases to serve on the board of directors of the Issuer, the deferred share units will be settled in cash based on the volume weighted average price of the Common Shares for the five immediately preceding days on which the Common Shares were trading on the Toronto Stock Exchange; provided, however that if the Issuer's Common Shares are trading on more than one exchange at such time, such calculation shall be based on the trading price over such five day period on the stock exchange with the higher average trading volume over the twenty trading days immediately prior to such date (such price the "Market Value").

SEC source: 0000899243-23-007079 · doc4.xml · nonDerivative · entry 4

Somayaji Nandini · CIK 0001941797 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 58,749