Rottenstone Gold Inc. — Proxy Solicitation & Information Statement 2025

Dec 19, 2025

ENDEAVOR TRUST

ENDEAVOR TRUST CORPORATION

702 – 777 Hornby Street

Vancouver, BC, V6Z 1S4

admin@EndeavorTrust.com

www.EndeavorTrust.com

Rottenstone Gold Inc.

Via SEDAR+

December 18, 2025

TO ALL APPLICABLE REGULATORS AND EXCHANGES

RE: Rottenstone Gold 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	January 12, 2026
3	Record Date for Voting (If Applicable)	January 12, 2026
4	Beneficial Ownership Determination Date	January 12, 2026
5	Meeting Date	February 26, 2026
6	Meeting Location	TBA
7	Voting Securities Details
8	Description (Class)	Common
9	ISIN / CUSIP	CA7788341013 / 778834101
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	Yes
	Registered Holders	Yes
	Stratification Level	Not Applicable
13	Material Selection	S - All & Special Materials

Regards,

Endeavor Trust Corporation

Agent for Rottenstone Gold Inc.