Officer and Director Stock Option Grant

Gregory C. Thompson, a director at Ascent Solar Technologies, Inc. (ASTI), was granted 95,000 stock options on July 2, 2026, with an exercise price of $4.43 per share. The options vest in three equal tranches on July 31 of 2026, 2027, and 2028. In the event of a change of control, any unvested options will accelerate and fully vest. The options expire on July 1, 2036. This filing is a Form 4, indicating a change in beneficial ownership.