Shaun Noll - 24 Jul 2025 Form 4 Insider Report for DIRTT ENVIRONMENTAL SOLUTIONS LTD (DRTTF)

Role: 10%+ Owner
Signature: /s/ Fareeha Khan, as attorney-in-fact for Shaun Noll
Issuer symbol: DRTTF
Transactions as of: 24 Jul 2025
Transactions value $: -$148,936
Form type: 4
Filing time: 25 Jul 2025, 17:00:05 UTC
Previous filing: 25 Jun 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Noll Shaun	10%+ Owner	7303 30 STREET SE, CALGARY, ALBERTA, CANADA	/s/ Fareeha Khan, as attorney-in-fact for Shaun Noll	25 Jul 2025	0001821774

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	DRTTF	Common Shares	Options Exercise		+809K	+1.51%		54.4M	24 Jul 2025	Direct	F1
transaction	DRTTF	Common Shares	Disposed to Issuer	-$149K	-165K	-0.3%	$0.90	54.2M	24 Jul 2025	Direct

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	DRTTF	Deferred Share Unit	Options Exercise		-809K	-100%		0	24 Jul 2025	Common Shares	809K		Direct	F1

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	The 643,605 deferred share units ("DSUs") granted pursuant to the DIRTT Environmental Solutions Ltd. Second Amended and Restated Long Term Incentive Plan or its predecessor plan were settled in common shares ("Common Shares") of DIRTT Environmental Solutions Ltd. (the "Issuer") on a one-for-one basis. The 165,484 DSUs granted pursuant to the Deferred Share Unit Plan for Non-Employee Directors were settled in cash equal to the closing price of one Common Share on July 23, 2025 for each DSU, as reported on the Toronto Stock Exchange.

Content

The 643,605 deferred share units ("DSUs") granted pursuant to the DIRTT Environmental Solutions Ltd. Second Amended and Restated Long Term Incentive Plan or its predecessor plan were settled in common shares ("Common Shares") of DIRTT Environmental Solutions Ltd. (the "Issuer") on a one-for-one basis. The 165,484 DSUs granted pursuant to the Deferred Share Unit Plan for Non-Employee Directors were settled in cash equal to the closing price of one Common Share on July 23, 2025 for each DSU, as reported on the Toronto Stock Exchange.