IT Tech Packaging, Inc. (NYSE American: ITP) filed a Current Report on Form 8-K on September 16, 2026, announcing the resignation of its independent registered public accounting firm, HCL, PLLC. The resignation is effective immediately on September 16, 2026.

HCL was engaged on September 2, 2026, by the Company’s Audit Committee to audit the consolidated financial statements for the fiscal year ended December 31, 2025. During the brief period of engagement, which lasted from September 2, 2026, through September 16, 2026, HCL did not issue any audit reports on the Company’s financial statements.

The filing states that no disagreements arose between the Company and HCL on matters of accounting principles, financial statement disclosure, or auditing scope or procedure during the engagement period. Additionally, HCL did not identify any “reportable events” as defined in Regulation S-K.

As of the date of the report, the Company has not yet engaged a successor independent registered public accounting firm. The Company intends to engage a new auditor promptly. A copy of a letter from HCL, PLLC dated September 16, 2026, addressed to the Securities and Exchange Commission, is filed as Exhibit 16.1 to this report.