Cygnus Metals Ltd — Proxy Solicitation & Information Statement 2025

Jul 21, 2025

CERTIFICATE

Pursuant to Section 2.20 of
National Instrument 54-101 - Communication with Beneficial Owners of Securities of a Reporting Issuer

TO: Ontario Securities Commission
British Columbia Securities Commission
Alberta Securities Commission
Saskatchewan Financial and Consumer Affairs Authority—Securities Division

I, Maddison Cramer, Joint Company Secretary of Cygnus Metals Limited (the “Company”), hereby confirms that:

1. the Company has relied on Section 2.20 of National Instrument 54-101 - Communication with Beneficial Owners of Securities of a Reporting Issuer (“NI 54-101”) with respect to abridging the time prescribed in subsections 2.2(1) and 2.5(1), as applicable;
2. the Company has arranged to have proxy-related materials for the general meeting of shareholders of the Company to be held on August 20, 2025 (the “Meeting”) sent, in compliance with sections 2.9 and 2.12 of NI 54-101; and
3. the Company has arranged to have carried out, in connection with the Meeting, all of the requirements of NI 54-101 in addition to those described in paragraph 2 above.

Dated July 21, 2025.

CYGNUS METALS LIMITED

By: (signed) “Maddison Cramer”
Name: Maddison Cramer
Title: Joint Company Secretary