SGBX

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From June 30, 2023 to September 30, 2023 Conversion of short-term notes payable

From March 31, 2023 to June 30, 2023 Issuance of restricted stock units Common stock issued for services

From December 31, 2022 to March 31, 2023 Issuance of restricted common stock Issuance of restricted stock units Issuance of warrants and restricted common stock

From January 1, 2022 to December 31,2022 Stock-based compensation Issuance of restricted stock units Repurchase of common stock

From June 30, 2022 to September 30, 2022 Repurchase of common stock

From March 31, 2022 to June 30, 2022 Issuance of restricted stock units

From December 31, 2021 to March 31, 2022 Stock-based compensation

From January 1, 2021 to December 31, 2021 Conversion of warrants to common stock Issuance of common stock, net of issuance costs

1.Number of shares of Common Stock being offered 975,000 shares.

From March 31, 2021 to June 30, 2021 Conversion of warrants to common stock

From March 31, 2020 to March 31, 2021 Conversion of warrants to common stock

From March 31, 2020 to June 30, 2020 Conversion of restricted stock units to common stock Conversion of debt exchange to common stock Issuance of common stock, net of issuance costs

SG Blocks, Inc. (NASDAQ: SGBX), a leading designer, fabricator and innovator of container-based structures, today announced the closing of its previously announced underwritten public offering of 440,000 shares of common stock at an offering price of $4.25 per Common Share for aggregate gross proceeds of $1,870,000, prior to deducting underwriting discounts, commissions and other offering expenses.

From December 31, 2019 to March 31, 2020 Conversion of restricted stock units to common stock Reverse stock split settlement

from December 31, 2018 to February 6, 2020 Issuance of common stock, net of issuance costs As a result of the Reverse Stock Split, every twenty (20) shares of the Company’s issued and outstanding common stock, par value $0.01, prior to the Effective Time will be converted into one (1) share of common stock, par value $0.01, reducing the number of issued and outstanding shares of the Company’s common stock from approximately 23.2 million shares to approximately 1.16 million shares. The Company’s transfer agent, American Stock Transfer & Trust Company, LLC (“AST”), will serve as exchange agent for the reverse stock split and will provide instructions to stockholders of record regarding the process for exchanging shares.

1.Common stock offered by us 15,000,000 shares of our common stock 2.The number of shares of common stock shown above to be outstanding after this offering is based on 6,007,791 shares outstanding as of November 18, 2019, and the issuance and sale of 15,000,000 shares of our common stock in this offering.

From June 30, 2019 to September 30, 2019 Issuance of common stock, net of issuance costs

from December 31, 2018 to June 30, 2019 Issuance of common stock, net of issuance costs

from December 31, 2016 to December 31, 2017 Exercise of stock options Conversion of preferred stock Issuance of common stock, net of issuance costs Issuance of common stock for services Issuance of common stock for services

From December 31, 2016 to September 30, 2017 Issuance of common stock, net of issuance costs Issuance of common stock for services Conversion of preferred stock Conversion of convertible debentures

From December 31, 2016 to June 30, 2017 Issuance of common stock, net of issuance costs Conversion of preferred stock Conversion of convertible debentures

1.Common stock offered by us 1,500,000 shares 2.The number of shares of common stock that will be outstanding after this offering is based on 2,482,238 shares of our common stock outstanding as of June 14, 2017

from December 31, 2015 to December 31, 2016 Cancellation of Predecessor equity Issuance of Successor common stock Issuance of preferred stock