SG Blocks, Inc. (NASDAQ:SGBX) ("SG Blocks" or the "Company"), a leading designer, innovator and fabricator of modular structures, will host a conference call on Monday, November 15, 2021 at 4:30 p.m. Eastern Time to share its results for the third quarter ended September 30, 2021, followed by a live question and answer session. Financial results will be issued in a press release prior to the call.

SG Blocks CEO Paul Galvin will host the conference call. To access the call, please use the following information:

Date: Monday, November 15, 2021

Time: 4:30 p.m. ET, 1:30 p.m. PT

Toll-free dial-in number: 1-877-256-3246

International dial-in number: 1-212-231-2906

Conference ID: 21998821

Please call the conference telephone number 5-10 minutes prior to the start time. An operator will register your name and organization.

A webcast of the conference call will be broadcast live and available for replay at the Investors section of the Company's website at www.sgblocks.com.

A replay of the conference call will be available after 7:30 p.m. Eastern time through August 30, 2021.

Toll-free replay number: 1-844-512-2921

International replay number: 1-412-317-6671

Replay ID: 21998821

About SG Blocks, Inc.

SG Blocks, Inc. is a premier innovator in advancing and promoting the use of code-engineered cargo shipping containers for safe and sustainable construction. The firm offers a product that exceeds many standard building code requirements, and also supports developers, architects, builders and owners in achieving greener construction, faster execution, and stronger buildings of higher value. Each project starts with GreenSteel™, the structural core and shell of an SG Blocks building, and then customized to client specifications. For more information, visit www.sgblocks.com.

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SG Blocks to Host Third Quarter 2021 Financial Results Conference Call on Monday, November 15, 2021 at 4:30 p.m. ET