ADDITIONAL INFORMATION 21 21.1.5.2 Stock Options 2017, with an exercise price of €6.98 per share on March 14, As of the date of this Registration Document, 475,000 stock 2018. options for employees (SO) will give right to 475,000 ordinary The SO 2017 may be exercised by the beneficiary on the basis of shares. Among them, 300,000 ordinary shares have a nominal the following vesting schedule: value of €0.025 and an exercise price of €5.55 per share, and • up to 1/4 of the SO 2017 on the first anniversary of the date 175,000 have a nominal value of €0.025 and an exercise price of grant; of €6.98. With the authorization of the General Meeting of Shareholders on May 31, 2017, the Board of Directors issued • the remaining 75% becoming exercisable up to 1/36 per month 220,000 SO 2017, with an exercise price of €5.040 per share on from the first anniversary of the date of grant; and July 27, 2017. These have been fully forfeited as of the date of this • at the latest within 7 years from the date of grant. Registration Document. See also Section 15.4.3, “History of Stock Options (SO)” of this With the authorization of the General Meeting of Shareholders Registration Document. Share warrants need to be subscribed on May 31, 2017, the Board of Directors issued 300,000 SO for a price which is determined by the board on the date of grant 2017, with an exercise price of €5.55 per share on December 19, the subscription price and/or the purchase price of the shares by 2017. the beneficiaries will be set on the day the options are consented The SO 2017 may be exercised by the beneficiary on the basis of by the Board of Directors, and will be at least equal to the average the following vesting schedule: of the closing prices of the share in the 20 stock exchange sessions prior to the day of the allocation decision. • up to 1/4 of the SO 2017 on the first anniversary of the date of grant; The beneficiaries would be the salaried employees or some of • the remaining 75% becoming exercisable up to 1/36 per month them, or certain categories of the personnel, of the Company from the first anniversary of the date of grant; and and, as appropriate, companies or economic interest groups which are bound to it under the conditions of Article L.225-180 • at the latest within 7 years from the date of grant. of the Commercial Code and the corporate officers that meet With the authorization of the General Meeting of Shareholders the conditions provided by Article L.225-185 of the Commercial on May 31, 2017, the Board of Directors issued 175,000 SO Code. SO holders: Name Grant Date Type of Grant Number of Exercise Price Expiration Date Ordinary Shares (€) Underlying Awards (#) Barret Katz 12/19/2017 SO 300,000 (1) 5.55 12/18/2024 Harvey Masonson 03/14/2018 SO 100,000 (2) 6.98 03/14/2025 Yordak Salerno 03/14/2018 SO 75,000 (2) 6.98 03/14/2025 Lorre Leng 03/14/2018 SO 5,000 (2) 6.98 03/14/2025 Total 475,000 (1) Each stock option entitles its holder to subscribe to one ordinary share, with a nominal value of €0.025 each, at an exercise price of €5.55 per share. (2) Each stock option entitles its holder to subscribe to one ordinary share, with a nominal value of €0.025 each, at an exercise price of €6.98 per share. 220– GENSIGHT BIOLOGICS – 2017 Registration Document