Power Metallic Mines Inc. — Proxy Solicitation & Information Statement 2025

Sep 19, 2025

ENDEAVOR TRUST

ENDEAVOR TRUST CORPORATION

702 – 777 Hornby Street

Vancouver, BC, V6Z 1S4

admin@EndeavorTrust.com

www.EndeavorTrust.com

Power Metallic Mines Inc.

Via SEDAR+

September 19, 2025

TO ALL APPLICABLE REGULATORS AND EXCHANGES

RE: Power Metallic Mines Inc. (the "Issuer")
Notice of Meeting and Record Dates

We advise the following with respect to the Issuer's upcoming Meeting of Security Holders:

1	Meeting Type	Annual General & Special Meeting
2	Record Date for Notice of Meeting	October 14, 2025
3	Record Date for Voting (If Applicable)	October 14, 2025
4	Beneficial Ownership Determination Date	October 14, 2025
5	Meeting Date	November 20, 2025
6	Meeting Location	Toronto, ON
7	Voting Securities Details
8	Description (Class)	Common
9	ISIN / CUSIP	CA73929R1055 / 73929R105
10	Issuer sending proxy related materials directly to Non-Objecting Beneficial Owners (NOBOs)	No
11	Issuer paying for mailing to Objecting Beneficial Owners (OBOs)	No
12	Notice and Access
	Beneficial Holders	No
	Registered Holders	No
	Stratification Level	Not Applicable
13	Material Selection	S - All & Special Materials

Regards,

Endeavor Trust Corporation

Agent for Power Metallic Mines Inc.