Comstock Mining Inc. (NYSE: LODE) appointed Sadler, Gibb & Associates as its independent registered public accounting firm on June 5, 2026, following the acquisition of its previous auditor.

The company was notified on June 3, 2026, that Sadler Gibb acquired substantially all assets of Assure CPA, which had served as Comstock's auditor. Assure ceased operations as a public accounting firm and resigned as the company's auditor effective June 3, 2026.

The engagement team that previously served Comstock at Assure, including the lead audit partner, joined Sadler Gibb and will continue providing services to the company. The Board of Directors and Audit and Finance Committee confirmed Assure's resignation and recommended the appointment of Sadler Gibb.

Assure's audit reports on Comstock's consolidated financial statements for fiscal years ended December 31, 2025 and 2024 contained no adverse opinions, disclaimers, or qualifications related to uncertainty, audit scope, or accounting principles. The company reported no disagreements with Assure on accounting principles, financial statement disclosure, or auditing procedures during those periods.

Comstock stated it did not consult Sadler Gibb regarding accounting principles or audit opinions during the two most recent fiscal years and subsequent interim period through June 3, 2026.