Dye & Durham — AGM Information 2021

Nov 27, 2021

DYE & DURHAM LIMITED NOTICE OF ANNUAL GENERAL AND SPECIAL MEETING OF SHAREHOLDERS to be held on December 21, 2021

NOTICE IS HEREBY GIVEN that the annual general and special meeting of shareholders (the “ Meeting ”) of Dye & Durham Limited (the “ Company ”) will be held in a virtual-only format via live webcast. Registered shareholders and duly appointed proxyholders can attend the Meeting online at https://meetnow.global/MS7DCSU where they can participate, vote, or submit questions during the Meeting’s live webcast. The Meeting will be held on December 21, 2021 at 9:00 a.m. (Toronto time) for the following purposes:

1. to receive and consider the financial statements for the fiscal year ended June 30, 2021 and the auditor’s report thereon;

2. to elect the directors of the Company;

3. to appoint an auditor and authorize the directors to fix the auditor’s remuneration;

4. to approve an ordinary resolution ratifying the grant of certain stock options to the Company’s directors;

5. to approve an ordinary resolution ratifying the grant of certain stock options to the Company’s Global Chief Executive Officer; and

6. to transact such other business as may properly come before the Meeting or any adjournment thereof.

A more detailed description of the business to be submitted to the Meeting is contained in the accompanying Management Information Circular (the “ Circular ”).

Holders of common shares registered on the books of the Company at the close of business on November 16, 2021 are entitled to notice of, and to vote at, the Meeting.

Any shareholder who is unable to attend the Meeting may submit his or her proxy either in person, by mail or courier, or over the internet in accordance with the instructions below.

Voting in Person or by Mail or Courier Before the Meeting. A registered shareholder may submit his or her proxy in person, or by mail or courier, by completing, dating and signing the enclosed form of proxy and returning it to Computershare Investor Services Inc. (“ Computershare ”) at 100 University Avenue, 8th Floor, Toronto, Ontario, M5J 2Y1.

Voting by Internet Before the Meeting. A registered shareholder may vote over the internet by going to https://www.investorvote.com and following the instructions.

To be valid, proxies must be deposited with Computershare by no later than 9:00 a.m. (Toronto time) on December 17, 2021 (or at least 48 hours, excluding Saturdays, Sundays and holidays, prior to any reconvened meeting in the event of an adjournment of the Meeting).

Non-registered beneficial shareholders, whose shares are registered in the name of a broker, securities dealer, bank, trust company or similar entity (an “ Intermediary ”) should carefully follow the voting instructions provided by their Intermediary.

DATED at Toronto this 16[th] day of November, 2021.

By Order of the Board of Directors

(signed) “Brian L. Derksen”

Brian L. Derksen Chair of the Board of Directors

(i)