Big Rock Partners Sponsor, LLC

Exempt (Private) Offering

NRX Pharmaceuticals, Inc.: Major Shareholders

NRX Pharmaceuticals, Inc.: Statement of changes in beneficial ownership of securities

Big Rock Partners Acquisition Corp.: Major Shareholders

Big Rock Partners Acquisition Corp.: Statement of changes in beneficial ownership of securities

Big Rock Partners Acquisition Corp.: Major Shareholders

Big Rock Partners Acquisition Corp.: Statement of changes in beneficial ownership of securities

Big Rock Partners Acquisition Corp.: Initial statement of beneficial ownership of securities