Tony Giardini's Ownership and Transactions in Trilogy Metals Inc.

The filing reports Tony Giardini's ownership and transactions in Trilogy Metals Inc. as of March 1, 2024, and October 19, 2025. Giardini, the President and CEO of Trilogy Metals, holds 8,169,131 common shares, representing 5.0% of the outstanding shares as of March 1, 2024. This includes 5,279,064 common shares and 2,890,067 common shares underlying employee stock options. By October 19, 2025, his ownership is projected to increase to 11,532,060 shares, representing 6.4% of the outstanding shares. The filing also details various stock options and restricted stock units granted to Giardini as part of his compensation, with vesting schedules and exercise prices provided. The Schedule 13D is being filed late due to an inadvertent administrative error.