X0508 4 2025-09-02 0001543418 Trilogy Metals Inc. TMQ 0001007203 WALTERS DIANA J C/O TRILOGY METALS INC. SUITE 901, 510 BURRARD STREET VANCOUVER A1 V6C 3A8 BRITISH COLUMBIA, CANADA true false Deferred Share Units ("DSUs") 0 2025-09-02 4 A 0 8424.561 0 A Common Shares 8424.561 551650.764 D Non-discretionary issuances of DSUs pursuant to elections made by plan participants prior to the commencement of the current fiscal year. The DSUs vest immediately; however, the underlying common shares will not be issued to the grantee, and the grantee shall not have any voting or dispositive rights with respect to the underlying common shares, until termination of the grantee's employment or services as a director of the Issuer. The grants will expire no later than 90 days after the grantee's termination date. /s/ Elaine Sanders as attorney-in-fact for Diana J. Walters 2025-09-03