#1sgblocks NASDAQ: SGBX Investor Presentation October 2022#2Safe Harbor This presentation contains forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. In some cases, forward-looking statements can be identified by terminology such as "may," "should," "potential," "continue," "expects," "anticipates." "intends," "plans," "believes," "estimates," and similar expressions. These forward- looking statements are based on management's expectations and assumptions as of the date of this presentation and include statements regarding the Company's market opportunities, SG Echo, Waldron anticipated in Q1 2023 and SGB Development Corp.'s construction and development pipeline. While SG Blocks believes these forward-looking statements are reasonable, undue reliance should not be placed on any such forward-looking statements, which are based on information available to us on the date of this presentation. These forward-looking statements are subject to a number of risks and uncertainties, many of which are difficult to predict that could cause actual results to differ materially from current expectations and assumptions from those set forth or implied by any forward-looking statements. Important factors that could cause actual results to differ materially from current expectations include, among others, the Company's ability to complete its projects as scheduled, the Company's ability to expand within its various verticals, the Company's ability to position itself for future profitability, the Company's ability to maintain compliance with the NASDAQ listing requirements, and the other factors discussed in the Company's Annual Report on Form 10-K for the year ended December 31, 2021 and the Company's subsequent filings with the SEC, including subsequent periodic reports on Forms 10-Q and 8-K. The information in this presentation is provided only as of the date of this presentation, and we undertake no obligation to update any forward-looking statements contained in this presentation on account of new information, future events, or otherwise, except as required by law. 2#3A 9 JARINER In 2017, SG Blocks received the first approval in construction history from the International Code Council (ICC) for the reuse of a material for the purposes of code compliant construction. The material approved was the intermodal shipping container for which we received an ESR number which adorns each modified and finished unit. WHERBALIFE LITOR Executive Summary SG Blocks is a NASDAQ listed designer, manufacturer and developer of modular structures that uses modular processes to reduce a project's embodied energy from design to completion. sgblocke Our Company has a disruptive business model in large verticals including real property development, domestic manufacturing and point of care medical testing and treatment. We focus on technologies and sectors where domestic need is strong and that the existing solutions are not safe, green nor cost effective. We have vertically integrated, so we capture revenue from concept all the way into operations and asset disposal. M#4Board of Directors PAUL GALVIN CHAIRMAN AND CHIEF EXECUTIVE OFFICER Paul M. Galvin was appointed as a director and the Company's CEO upon consummation of the reverse merger among CDSI Holdings Inc., CDSI Merger Sub, Inc., the Company, and certain stockholders of the Company on November 4, 2011, Mr. Galvin is a founder of SG Blocks, LLC, the predecessor entity of the Company. He has served as the CEO of the Company since April 2009 and as a director of the Company since January 2007. Mr. Galvin has been a managing member of TAG Partners, LLC (TAG), an investment partnership formed for the purpose of investing in the Company since October 2007. Mr. Galvin brings over 30 years of experience developing and managing real estate, including residential condominiums, luxury sales, and market rate and affordable rental projects. Prior to his involvement in real estate, he founded a non-profit organization that focused on public health, housing, and child survival, where he served for over a decade in a leadership position. CHRISTOPHER MELTON DIRECTOR Christopher Melton was appointed as a director of the Company upon consummation of the Merger on November 4, 2011. Mr. Melton is a licensed real estate salesperson in the State of South Carolina and until June 2019 was a principal of Callegro Investments, LLC, a specialist land investor investing in the southeastern U.S, which he founded in 2012 YANIV BULMFELD DIRECTOR Yaniv Blumenfeld joined the Board of Directors in April 2018. He founded Glacier Global Partners LLC in 2009 and is responsible for its strategic direction, overseeing its investments and day-to- day management, including origination, underwriting, closing, investor relations, and asset management functions. Mr.Blumenfeld has over 20 years of real estate experience, 13 years of which have been with leading Wall Street firms, where he was responsible for structuring, underwriting, pricing, securitizing, and syndicating over $16 billion of commercial real estate loans and equity transactions sgblocks#5Board of Directors (cont.) DAVID VILLAREAL DIRECTOR David Villarreal was appointed as a director of the Company on May 28, 2021. Mr. Villarreal's career spans over 40 years in various management, business, and leadership capacities, beginning in 1977 when he served as Deputy Mayor and Senior Deputy Economic Development Advisor, under Mayor Tom Bradley in the City of Los Angeles. He has served since August 2014 as the Chief Administrative Officer of Affinity Partnerships, LLC a Costco national mortgage services platform provider, with annual closed loan production of S8+ billion through a network of ten national mortgage lenders. From March 2011 to August 2014, he served as the President, Corporate Business Development, of Prime Source Mortgage, Inc. From September 2008 to September 2012, he served as a Consultant to the International Brotherhood of Teamsters. JOSEPH SAFINA DIRECTOR Joseph Safina was appointed as a director of the Company on May 28, 2021. Mr. Safina is a serial entrepreneur with over thirty years of experience in investment banking working with public and privately held small to mid-cap companies. Since 1997, Mr. Safina has been the principal of Satina Capital, an "all-stage" investment firm which offers its portfolia companies investment capital, strategic insight, global relationships, and operational support. He has been instrumental in helping his clients with large-scale fund-raising, merger & acquisitions, business development, marketing, and financial management Ssgblocks E#6Market Opportunities $230B Commercial Construction $85B Global Modular $11B US Point of Care Diagnostic Market (2024) $213B Expected Investment into Multifamily in 2022 sgblocks#7Segment Overview Manufacturina Seament $6.8M Revenue (FY 2021) $4.5M Revenue (FY 2020) Leading design and construction of a wide variety of modular structures • All of our structures are built in our own factories in the USA • Plans to develop several manufacturing locations in the next few years Servicing 3rd Party Clientele as well as our Development and Medical segments SG Blocks, Inc. NASDAQ: SGBX Medical Seament $31.6M Revenue (FY 2021) $4.2M Revenue (FY 2020) Turnkey solutions to medical testing and treatment Building - from concept to installation Testing full suite from PCR to diagnostic Services - Everything from MRI to dental units - SGB DevCorp $56.4M Combined Assessed Value $8.0M Combined Purchase Price Wholly-owned subsidiary for real estate development utilizing SGBX's technology Develops, co-develops, builds and finances single and multi- family homes Pipeline of $765 million and -4,200 units Keeping factories at near 100% capacity Affording manufacturing income, visibility, project fees and asset sales sgblocks M Environmental Seament A sustainable medical and waste management solution • Waste is collected at point of generation in the given container Waste is transported / treated in the same container Low-volume unrecognizable waste is ready for safe disposal#8Our Past Clients and Partners Muumed boun U.S. Department of Defense 6 TACO BELL NBA M MARRIOTT PUMA TAVISTOCK GROUP verizon TM Jacoby DEVELOPMENT LACOSTE Schneider Electric MINI AMAN sgblocks 8#9Manufacturing Segment Benefits of Modular and Container based Construction STRONG Modules are STRONG, resilient, maritime- grade structures Engineered to self-center and lock into place when stacked Factory produced modules provide greater quality of construction =0 FAST Builders save time and money and deliver a structure Faster to an end-user Containers are already "squared" which eliminates significant time in the construction process. Modules are produced when site-work occurs, saving around 50% on total construction time GREEN Repurposed containers greatly offset a development's carbon footprint, reducing resource use Modular construction allows for energy savings and more efficient waste management than traditional construction First recycled shipping containers approved by ICC sgblocks#10SG Product line GREENSTEEL GreenSteel is the structural core and shell of an SG Blocks modified container. The units are can be finished in the factory or by a local GC on-site. "WHITEBOX" MODULAR WhiteBox designates the shell of a purpose-built module. In addition, units can be partially finished at the facility with the balance to be completed by a local GC. sgblocks FINISHED MODULAR SG Blocks delivers an outfitted product where final units are assembled on site and complete all trim outs and closure pieces so it is ready to occupy. O TO#11SG ECHO Modular Factory SG Echo is a container modifier and modular manufacturer in Durant, Oklahoma that serves as the headquarters for SG Blocks manufacturing. The facility specializes in the design and construction of permanent modular and temporary modular products. SG Blocks has also acquired two additional facilities in the Durant, Oklahoma area to further advance a multi-phased plan to rapidly develop the SG Echo manufacturing in our commitment to the Durant community. sgblocks 11#12SG ECHO, WALDRON (Anticipated Q1 2023) 14114 sgblacks#13U.S. Based Manufacturing SG Echo Manufacturing Locations - Echo (HQ) OK - Waldron, OK (2022) - McLean, OK (2023) - St. Marys, GA (2024) SGB DevCorp Projects - Lago Vista* - Cumberland Inlet, GA - McLean, OK - Norman Berry, GA 3rd Party Commercial Sales - Hospitality - Temporary Structures - Quick Service Restaurants - Military Medical and Environmental Services - Clarity Mobile Lab @LAX - Sanitec Modular Medical Waste Disposal sgblocks 13#14Commitment to ESG SG Blocks is committed to delivering environmentally appropriate products and services that reduce waste, increase efficiency and reduce barriers for working class and underserved populations Recycled Materials Low-cost homes Tax transparency Ethical business approach LEED Certifiable Low Carbon Footprint No data sharing No spam ENVIRONMENTAL Modular Efficiency SOCIAL Point of Care Medicine GOVERNANCE Publicly Traded Earthquake/Hurricane Resistant Helps the sickest and most vulnerable Independent Board of Directors Audit Committee Point of Care Diagnostic Testing Early Detection saves lives sgblocks Compensation Committee Corporate Governance Committee#15SG Medical Solutions SG Blocks offers a turnkey solution to medical testing and treatment. We customize service and delivery mechanisms for any unique need. BUILDING Concept Designs, Full A&E Services, Fabrication Documents, Manufacturing. and Installation TESTING PCR, Antigen, Antibody, Drug/Employment Screenings, Diabetes, Cancer, and General Diagnostic SERVICES Sample Collection and Processing Units, Examination Rooms, X-ray and MRI Rooms, Operating Rooms, Dental Clinics, Ophthalmology Suites, Specialty Units, Large Employer and University ess Centers, Disaster Preparedness, Rural and Urban Healthcare sgblocks 15#16Clarity Lab Solutions Clarity selected SG Blocks for its modular technology to accelerate speed of deployment and redeployment into underserved hot spots of labs certified under the Clinical Laboratory Improvement Amendments of 1988 (CLIA) that require high connectivity. The cost of transporting diagnostic testing samples is high and to meet the high volume of underserved areas, Clarity required CLIA-certified labs that could be deployed at the point of collection. SG Blocks' D-tec Suite is being utilized for the modular CLIA Labs and are designed to meet the urgent global demand for safe and easily deployable medical response situations. This deployable technology line (or D-tec) offers a uniquely efficient environment for testing collection and onsite deployable laboratory analysis. Se p 12 VID-19 Testing www.FlyLAX.com/TraSafely MSHAW EVE CSHGALAX COND-Te BACA BU 10-19 Testfigle sgblocks#17ITU BANNER 824 DEEZEA SGB Ssgblocks Development Corp SGB Development Corporation (SGB DevCo") is the real estate development arm of SG Blocks, Inc. that was formed in Q1 2021. Our strategy is to build strong, innovative and green single or multifamily projects in underserved regions nationally. SGB DevCo targets moderate to higher priced developments depending on the needs of the targeted site. The developments will be constructed using modules built in one of our vertically integrated factories, operated by SG Echo. In addition to these development projects, the Company plans to build additional strategically placed manufacturing facilities to support our current pipeline of over 4,200 units.#18Development Pipeline Total Construction and Development Pipeline Valued at $765 Million, includes 4,200 units* Asof March 31,2022 80 Mclean, OK" Manufacturing Facility, 350 Unit Multi-family Residential 8 Echo, OK Manufacturing Facility Lago Vista, TX 174 Unit Entitled Land for Sale Waldron, OK Manufacturing Facility Monticello, NY 187 Unit Multi-Family Residential 80&t Mary's, GA Manufacturing Facility *Future Project Cumberland in A 3500 Unit Mixed-Use Residential Norman Berry, GA 132 Unit Multi-Family Residential sgblocks Manufacturing Facility Residential Development#19Third Party Commercial Projects Meeting the needs of industry leaders in the commercial space ****** HARD ROCK STADIUM EXPRESS SHOP 2000 1 27 EMMA con FEED THE BELL BEAT US Military (GITMO) MoLiving - Luxury Hospitality AIFI- AI Powered Retail Stores StreetFoods - Unique Quick Service Restaurant sgblocks 1:10#20Revenue Growth Capitalizing on the opportunity for growth within the medical segment during COVID-19, the Company emerges as more diversified from a revenue perspective and will be able to capitalize on new point-of-care projects to further penetrate the medical market and continue to grow its construction segment $2,984,835 2019 $8,755,623 2020 $38,341,702 2021 sgblocks#21Summarized Balance Sheet CASH AND CASH EQUIVALENTS* CASH RESTRICTED CASH DEBT SHORT TERM NOTE LONG TERM NOTE LEASE LIABILITY EQUITY COMMON SHARES OUSTANDING RESTRICTED STOCK (UNVESTED) OPTIONS OUTSTANDING WARRANTS OUTSTANDING *Does not include sate of Logo Visto property AS OF 6.30.22 $2,428,211 $4,000,000 AS OF 6.30.22 $1,997,843 $750,000 $2,310,017 AS OF 6.30.22 12,050,206 757,450 36,436 2.025,520 sgblocks SE PR 21#22sgblocks Thank You 22