Lithium Americas Corp. — Proxy Solicitation & Information Statement 2025

Mar 21, 2025

Date: March 21, 2025

Computershare

510 Burrard St, 3rd Floor

Vancouver BC, V6C 3B9

www.computershare.com

To: All Canadian Securities Regulatory Authorities

Subject: LITHIUM AMERICAS 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 : April 15, 2025

Record Date for Voting (if applicable) : April 15, 2025

Beneficial Ownership Determination Date : April 15, 2025

Meeting Date : June 11, 2025

Meeting Location (if available) : Virtual Meeting

Issuer sending proxy related materials directly to NOBO: No

Issuer paying for delivery to OBO: Yes

Notice and Access (NAA) Requirements:

NAA for Beneficial Holders Yes

Beneficial Holders Stratification Criteria: Not Applicable

NAA for Registered Holders Yes

Registered Holders Stratification Criteria: Not Applicable

Voting Security Details:

Description	CUSIP Number	ISIN
COMMON SHARES	53681J103	CA53681J1030

Sincerely,

Computershare

Agent for LITHIUM AMERICAS CORP.