The TSX Venture Exchange has accepted for filing documentation in connection with a plan of arrangement pursuant to an arrangement agreement dated April 5, 2023, as amended by an agreement dated May 12, 2023, among Atac Resources Ltd., Hecla Mining Company and Alexco Resource Corp. Pursuant to the terms of the arrangement agreement, Hecla acquired all of the issued and outstanding shares of Atac for consideration payable in shares of Hecla and in shares of a new exploration company, Cascadia Minerals Ltd. Each Atac shareholder received 0.0166 of a Hecla share and 0.1 of a Cascadia share for each Atac share held.

The exchange has been advised that approval of the arrangement by shareholders of Atac was received at a meeting of the shareholders held on June 23, 2023, and that approval of the arrangement was received from the Supreme Court of British Columbia on June 28, 2023. The full particulars of the arrangement are set forth in the management information circular of Atac dated May 15, 2023, which is available under Atac's profile on SEDAR.

Atac, Hecla and Alexco closed the arrangement on July 7, 2023.

In conjunction with the closing of the arrangement, Atac has requested that its common shares be delisted. Accordingly, effective at the close of business, Monday, July 10, 2023, the common shares of Atac will be delisted from the exchange.