Aurion Resources Ltd. — Proxy Solicitation & Information Statement 2026

Apr 21, 2026

Aurion

April 21, 2026

VIA SEDAR

TO: All Canadian Securities Regulatory Authorities

Dear Sir or Madam:

Re: Aurion Resources Ltd. – Notice of Special Meeting

As required by Section 2.2 of National Instrument 54-101, please be advised of the following:

Meeting Type:	Special Meeting
Meeting Date:	June 5, 2026
Meeting Location:	Virtual
Record Date for Notice:	May 6, 2025
Record Date for Voting:	May 6, 2025
Beneficial Ownership Determination Date:	May 6, 2025
Class of Securities Entitled to Receive Notice:	Common Shares
Class of Securities Entitled to Vote:	Common Shares
Business Type:	Special
OBO Distribution Type:	Issuer will pay for OBOs
Sending proxy materials directly to NOBOS:	No

Notice & Access (NAA) Requirements:

• NAA for Beneficial Holders: No
• Beneficial Holders Stratification Criteria: Not applicable
• NAA for Registered Holders: No
• Registered Holders Stratification Criteria: Not applicable

Voting Security Details:

Common Shares: CUSIP: 05156F107

Yours truly,

AURION RESOURCES LTD.

/s/ "Diana Mark"
Diana Mark, Corporate Secretary

cc: Computershare Investor Services Inc.

Suite W220, 120 Torbay Road, St. John's, NL A1A 2G8

Telephone: 709-699-8300; Fax 709-364-3086