Tantech Holdings Ltd. (NASDAQ:TANH, the ", Company", ))) is reporting that its board of directors has approved a reverse stock split (the "Reverse Stock Split") of the Company’s class A common shares (the "Common Shares"), at a ratio of 1-for-50.

The Reverse Stock Split will be effective at 04:01 p.m. (ET) on Thursday, September 3, 2026 (the "Record Date") and the Common Shares will begin trading on a split-adjusted basis when the Nasdaq Stock Market LLC opens for trading on Friday, September 4, 2026. The Common Shares will continue to trade on The Nasdaq Capital Market under the trading symbol "TANH" but will trade under the following new CUSIP number: G8675X 164.