ATEX Resources Inc. — Proxy Solicitation & Information Statement 2021

Feb 1, 2021

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Teck Resources Limited Suite 3300, 550 Burrard Street Vancouver, B.C. Canada V6C 0B3

Amanda Robinson +1 605 699 5066 Direct Corporate Secretary and +1 604 699 4729 Tel Legal Counsel Amanda.Robinson@Teck.com

February 1, 2021

VIA SEDAR

Alberta Securities Commission British Columbia Securities Commission The Manitoba Securities Commission Financial and Consumer Services Commission, New Brunswick Office of the Superintendent of Securities Service Newfoundland & Labrador Office of the Superintendent of Securities, Northwest Territories Nova Scotia Securities Commission Nunavut Securities Office Ontario Securities Commission Office of the Superintendent of Securities, Prince Edward Island Autorité des marchés financiers Financial and Consumer Affairs Authority of Saskatchewan Office of the Yukon Superintendent of Securities Toronto Stock Exchange

Dear Sirs/Mesdames:

Reference: Notice of Meeting and Record Date – Teck Resources Limited

This is to advise you of the following dates in connection with our Annual Meeting of Shareholders:

Date of Meeting: April 28, 2021 Record Date for Voting: March 1, 2021 Beneficial Ownership Determination Date: March 1, 2021 Applicable Securities to receive Notice and to Vote: Class A Common and Class B Subordinate Voting Type of Meeting: Annual and Special Special Meeting: Yes Use of Notice-and-Access for registered shareholders: Yes Use of Notice-and-Access for beneficial shareholders: Yes Sending proxy-related materials directly to NOBO’s: No Paying for OBO proxy-related materials distribution: Yes Notice-and-Access Stratification Criteria: See Below[1] CUSIP Number: 878742303 (Class A) 878742204 (Class B)

We trust the above is satisfactory.

Sincerely,

TECK RESOURCES LIMITED

“ Amanda Robinson”

Amanda Robinson Corporate Secretary and Legal Counsel Teck

1 Only registered and beneficial shareholders who have standing instructions on their account to receive paper material will receive paper copies of the proxy circular, financial statements and other proxy-related materials. All other shareholders will receive meeting materials in accordance with the notice-and-access provisions of NI 54-101.