- Tantech Holdings Ltd. entered into a note purchase agreement with Streeterville Capital, LLC on **October 14, 2025**, issuing a promissory note with an original principal amount of **$3,230,000.00** for **$3,000,000.00** in gross proceeds, to be used for **working capital and general business purposes**.  **[1588084_0001477932-25-007636_tanh_6k.htm:1]** 
- The note bears an interest rate of **7% per annum**, has a **twelve-month term**, and includes an original issue discount of **$210,000.00**.  **[1588084_0001477932-25-007636_tanh_6k.htm:1]** 
- From **October 2 through October 15, 2025**, the company completed **five separate exchange agreements** with Streeterville, converting a total of **$520,000.00** in principal from an August 2024 note into **365,343 common shares**.  **[1588084_0001477932-25-007636_tanh_6k.htm:2]** 
- The new note includes covenants requiring compliance with SEC filings and maintaining NASDAQ or NYSE listing, and allows Streeterville to increase the outstanding balance by up to **25%** upon certain trigger events.  **[1588084_0001477932-25-007636_tanh_6k.htm:1]** **[1588084_0001477932-25-007636_tanh_6k.htm:2]**

TANTECH HOLDINGS (TANH)