Black Swan Graphene Inc. — Proxy Solicitation & Information Statement 2026

Apr 2, 2026

ENDEAVOR TRUST

ENDEAVOR TRUST CORPORATION

702 – 777 Hornby Street

Vancouver, BC, V6Z 1S4

admin@EndeavorTrust.com

www.EndeavorTrust.com

Black Swan Graphene Inc.

Via SEDAR+

April 2, 2026

TO ALL APPLICABLE REGULATORS AND EXCHANGES

RE: Black Swan Graphene 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 & Special Meeting
2	Record Date for Notice of Meeting	April 27, 2026
3	Record Date for Voting (If Applicable)	April 27, 2026
4	Beneficial Ownership Determination Date	April 27, 2026
5	Meeting Date	June 16, 2026
6	Meeting Location	TBA
7	Voting Securities Details
	Description (Class)	Common
	ISIN / CUSIP	CA09226M2094 / 09226M209
8	Issuer sending proxy related materials directly to Non-Objecting Beneficial Owners (NOBOs)	Yes
9	Issuer paying for mailing to Objecting Beneficial Owners (OBOs)	No
10	Notice and Access
	Beneficial Holders	Yes
	Registered Holders	Yes
	Stratification Level	Not Applicable
11	Material Selection	S - All & Special Materials

Regards,

Endeavor Trust Corporation

Agent for Black Swan Graphene Inc.