Tecogen extends $1M promissory notes to lead director; option for stock conversion

TECOGEN INC.

Two $500k promissory notes held by lead director John N. Hatsopoulos amended.
Maturity extended to July 31, 2026 for both notes (originally Oct 2023 and July 2024).
Hatsopoulos may elect repayment in cash or common stock at 30-day avg closing price.
No new funds raised; notes remain outstanding with no interest-rate change disclosed.

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