Avanti Helium Corp. — Proxy Solicitation & Information Statement 2025

Oct 6, 2025

October 06, 2025

Computershare

510 Burrard Street, 3rd Floor

Vancouver BC, V6C 3B9

www.computershare.com

To: All Canadian Securities Regulatory Authorities

Subject: AVANTI HELIUM CORP.

Dear Sir/Madam:

We advise of the following with respect to the upcoming Meeting of Security Holders for the subject Issuer:

Meeting Type : Annual General Meeting
Record Date for Notice of Meeting : October 22, 2025
Record Date for Voting (if applicable) : October 22, 2025
Beneficial Ownership Determination Date : October 22, 2025
Meeting Date : November 21, 2025
Meeting Location (if available) : Virtual Meeting
Issuer sending proxy related materials directly to NOBO: Yes
Issuer paying for delivery to OBO: No

Notice and Access (NAA) Requirements:

NAA for Beneficial Holders No
NAA for Registered Holders No

Voting Security Details:

Description	CUSIP Number	ISIN
COMMON	05351P108	CA05351P1080

Sincerely,

Computershare

Agent for AVANTI HELIUM CORP.