Bigger Capital SC 13G TANTECH / Bigger Capital ownership change

Exhibit 99.1

Joint Filing Agreement

The undersigned hereby agree that the Statement on Schedule 13G dated May 3, 2024 with respect to the Common Shares of Tantech Holdings Ltd., and any further amendments thereto executed by each and any of the undersigned shall be filed on behalf of each of the undersigned pursuant to and in accordance with the provisions of Rule 13d-1(k)(1) under the Securities Exchange Act of 1934, as amended.

Dated: May 3, 2024

Bigger Capital Fund, LP		Bigger Capital Fund GP, LLC
By:	Bigger Capital Fund GP, LLC, its general partner	By:	/s/ Michael Bigger
			Michael Bigger
By:	/s/ Michael Bigger		Managing Member
	Michael Bigger
	Managing Member
/s/ Michael Bigger
MICHAEL BIGGER