Certain Restricted Stock Units of Capstone Green Energy Corporation are subject to a Lock-Up Agreement Ending on 16-SEP-2021. These Restricted Stock Units will be under lockup for 91 days starting from 17-JUN-2021 to 16-SEP-2021. Details: Officers and directors have agreed with the Representative to be subject to a lock-up period of ninety (90) days following closing the date of the offering pursuant to this prospectus supplement. This means that, subject to certain exceptions, during the applicable lock-up period, such persons may not offer for sale, contract to sell, sell, distribute, grant any option, right or warrant to purchase, pledge, hypothecate or otherwise dispose of, directly or indirectly, any shares of our common stock or any securities convertible into, or exercisable or exchangeable for, shares of our common stock. Certain limited transfers are permitted during the lock-up period if the transferee agrees to these lock-up restrictions. The Representative may, in its sole discretion and without notice, waive the terms of any of these lock-up agreements.