Certain Common Stock of SG Blocks, Inc. are subject to a Lock-Up Agreement Ending on 26-JAN-2020. These Common Stock will be under lockup for 181 days starting from 29-JUL-2019 to 26-JAN-2020. Details: The executive officers, directors, and all of the holders of equity securities have entered into a lock up agreement pursuant to which, they will not to offer to sell, sell, pledge or otherwise transfer or dispose of, directly or indirectly any common stock or securities convertible into or exchangeable or exercisable for common stock, for a period of 180 days after the date of the final prospectus, without the prior written consent of ThinkEquity, a division of Fordham Financial Management, Inc., on behalf of the underwriters.