Certain Ordinary Shares of CN Energy Group. Inc. are subject to a Lock-Up Agreement Ending on 3-AUG-2021. These Ordinary Shares will be under lockup for 180 days starting from 4-FEB-2021 to 3-AUG-2021.

Details:
The company's directors, executive officers, and certain shareholders of ordinary shares have entered into a similar lock-up agreement for a period of 180 days from the date of this prospectus, not to offer, issue, sell, contract to sell, encumber, grant any option for the sale of, or otherwise dispose of, except in this offering, any of ordinary shares or securities that are substantially similar to ordinary shares, including but not limited to any options or warrants to purchase ordinary shares, or any securities that are convertible into or exchangeable for, or that represent the right to receive, ordinary shares or any such substantially similar securities (other than pursuant to employee stock option plans existing on, or upon the conversion or exchange of convertible or exchangeable securities outstanding as of, the date such lock-up agreement was executed), without the prior written consent of the Underwriters.