Elcora Advanced Materials Corp. — Proxy Solicitation & Information Statement 2026

Apr 21, 2026

ELCORA ADVANCED MATERIALS CORP.

NOTICE AND ACCESS NOTIFICATION TO SHAREHOLDERS

ANNUAL GENERAL & SPECIAL MEETING OF SHAREHOLDERS
TO BE HELD ON THURSDAY, MAY 21 2026

You are receiving this notification because Elcora Advanced Materials Corp. (the “Corporation”) has opted to use the “notice and access” model for the delivery of its management information circular (the “Information Circular”) to the holders (the “Shareholders”) of common shares in the capital of the Corporation in respect of its annual general and special meeting of Shareholders to be held on Thursday, May 21, 2026 (the “Meeting”).

Under “notice and access” instead of receiving paper copies of the Information Circular, Shareholders are receiving this notice with information on how to access the Information Circular electronically. Shareholders will also be receiving a proxy or voting instruction form, as applicable, together with this notification to use to vote at the Meeting.

The use of this alternative means of delivery is more environmentally friendly and more economical. It reduces the Corporation’s paper use and it also reduces the Corporation’s printing and mailing costs.

MEETING DATE AND LOCATION

WHEN: Thursday, May 21, 2026
at 2:30 P.M. Halifax Time

WHERE: 749 Shore Dr
Bedford, NS B4A 2E2

SHAREHOLDERS WILL BE ASKED TO CONSIDER AND VOTE ON THE FOLLOWING MATTERS AT THE MEETING:

• AUDITED FINANCIAL STATEMENTS: to receive the audited financial statements of the Corporation for the financial year ended on March 31, 2025, together with the auditor’s report thereon. See the section entitled “Particulars of Matters to be Acted Upon – Audited Financial Statements” in the Information Circular.
• FIX THE NUMBER OF DIRECTORS: to fix the number of directors at three (3); See the section entitled “Particulars of Matters to be Acted Upon – Number of Directors” in the Information Circular.
• ELECTION OF DIRECTORS: to elect directors for the ensuing year to hold office until the next annual meeting of Shareholders. See the section entitled “Particulars of Matters to be Acted Upon – Election of Directors” in the Information Circular.
• APPOINTMENT OF AUDITOR: to appoint Dale Matheson Carr-Hilton LaBonte LLP, Chartered Professional Accountants, as auditor of the Corporation for the ensuing year and authorize the directors to determine the remuneration to be paid to the auditor. See the section entitled “Particulars of Matters to be Acted Upon – Appointment of Auditor” in the Information Circular.
• APPROVAL AND RATIFICATION OF ROLLING STOCK OPTION INCENTIVE PLAN: to consider and, if deemed appropriate, with or without variation, to pass an ordinary resolution of Shareholders to approve and ratify the Corporation’s re-stated 10% rolling stock option plan, as more particularly described in the accompanying information circular dated April 6, 2026 (the “Circular”). See the section entitled “Particulars of Matters to be Acted Upon – Approval and Ratification of Rolling Stock Option Incentive Plan” in the Information Circular.
• APPROVAL AND RATIFICATION OF RESTRICTED SHARE UNIT PLAN: to consider and, if deemed appropriate, with or without variation, to pass an ordinary resolution of Shareholders to approve and ratify the Corporation’s amended and restated restricted share unit plan, as more particularly described in the accompanying Circular. See the section entitled “Particulars of Matters to be Acted Upon – Approval and Ratification of Restricted Share Unit Plan” in the Information Circular.

SHAREHOLDERS ARE REMINDED TO REVIEW THE INFORMATION CIRCULAR PRIOR TO VOTING.

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ELCORA ADVANCED MATERIALS CORP.

WEBSITES WHERE THE INFORMATION CIRCULAR IS POSTED:

The Information Circular can be viewed online under the Corporations profile at www.sedarplus.ca or on the Corporation’s website at www.elcoracorp.com.

The Financial Statement Request Card will be mailed to Shareholders together with the proxy or voting instruction form, as applicable, and this notification to use to vote at the Meeting.

HOW TO OBTAIN PAPER COPIES OF THE INFORMATION CIRCULAR

Shareholders may request paper copies of the Information Circular and other meeting materials, including the audited consolidated financial statements of the Corporation for the year ended March 31, 2025 and the report of the auditors thereon and related Management’s Discussion and Analysis, by first class mail, courier or the equivalent at no cost to the shareholder. Requests must be made by email to proxy@endeavortrust.com or by calling toll-free at 1-888-787-0888. Requests may be made up to one year from the date the Information Circular was filed on SEDAR.

For Shareholders who wish to receive paper copies of the Information Circular in advance of the voting deadline, requests must be received no later than Thursday, April 30, 2026. The Information Circular will be sent to such Shareholders within three business days of their request if such requests are made before the Meeting. Following the Meeting, the Information Circular will be sent to such Shareholders within ten days of their request.

Requests must be made by email to proxy@endeavortrust.com or by calling toll-free at 1-888-787-0888.

VOTING

YOU CANNOT VOTE BY RETURNING THIS NOTICE. To vote your securities, you must vote using the method set out in the enclosed voting instruction form or proxy.

Registered Holders are asked to return their proxies using the following methods by the proxy deposit date noted on the proxy, which is by 2:30 p.m. Atlantic Daylight Time on Tuesday, May 19, 2026:

• ONLINE: Go to www.eproxy.ca and follow the instructions.
• EMAIL: Send to proxy@endeavortrust.com
• FACSIMILE: Fax to Endeavor Trust Corporation. at 604-559-8908.
• MAIL: Complete the form of proxy or any other proper form of proxy, sign it and mail it to:

Endeavor Trust Corporation
Suite 702, 777 Hornby Street,
Vancouver, BC V6Z 1S4

Beneficial Holders are asked to return their voting instructions using the following methods at least one business day in advance of the proxy deposit date noted on your voting instruction form:

• INTERNET: Go to proxyvote.com and follow the instructions.
• MAIL: Complete the voting instruction form, sign it and mail it in the envelope provided.

Shareholders with questions about notice and access can call toll free at 1-888-787-0888.