Slide 1: NASDAQ: TGEN
NASDAQ: TGEN
Slide 2: Participants
Advanced Modular CHP Systems paca n Hatsopoulos * Co-Chief Executive Officer, Director Benjamin Locke * Co-Chief Executive Officer Robert Panora ¢ President & Chief Operating Officer David Garrison * Chief Financial Officer Ariel Babcock ¢ Director, Investor Relations Participants
Slide 3: Safe Harbor Statement
Tecogen-i9 mail Safe Harbor Statement This presentation includes forward-looking statements within the meaning of Section 27-A of the Securities Act of 1933, and Section 21-E of the Securities Exchange Act of 1934. Such statements include declarations regarding the intent, belief, or current expecta
Slide 4: Clean Energy Solutions
Clean Energy Solutions Tecogen-: Leading Manufacturer of Advanced Modular CHP Systems ie) Leading provider of cost efficient, clean and reliable products for power production, heating and cooling which, through patented technology, nearly eliminate criteria pollutants and significantly reduce a cust
Slide 5: Tecogen FY 2015 Financial Achievements
Tecogen FY 2015 Financial Achievements: sil ales Or os i) a growing company in a growing industry 11% Y/Y growth in total FY2015 Revenue of $21.4 driven by: — 16.6% growth in Product revenue from >45% growth in Cogeneration sales — 6.2% growth in Service revenue 35.6% FY2015 combined gross margin vs
Slide 6: Tecogen Growth Strategy
Advanced Modular CHP Systems Tecogen erring on Growth Strategy Process initiated to acquire the remaining minority stake via private placement exchange offer ILIOS UPDATE Strong sales pipeline and sales traction in new markets including Atlanta, NYC, Puerto Rico, the UK and Hawaii Launch of new Spli
Slide 7: Operational Success
Operational Success ae ¢ Launch of the new InVerde e+ with key competitive advantages ¢ Formation of ‘ULTRATEK’ joint venture to bring Ultera emissions control to the automotive space 4Q 2015 Earnings Call
Slide 8: Tecogen: >10% Growth in Units Shipped 2015 vs. 2014
Advanced Modular CHP Systems Tecogen:\: >10% Growth in Units le) Shipped 2015 vs. 2014 En) ous \4 THE BOLD LOOK er, Market Shipped the OF KOHLER. /, a Multi-Unit 30 _ Residential Honeywell SENIOR RESOURCI E GROUP tai @Douglast:linst Hospitality 12 z : Holiday Inn Industrial 18 ERELATED Education ) )
Slide 9: Sales & Backlog
Tecogen-W Sales & Backlog Advanced Modular CHP Systems Backlog Installed Base* Other 15% Other Recreation 3% Recreation 4% Hospitality Hospitality 8% ii 7% Mule Unit Industrial Residential 15% 56% Total 2015 year end Product and Installation Backlog of $11.6M vs. $9.9M at year end 2014. * ‘Approxima
Slide 10: New InVerde e+ Features
Advanced Modular CHP Systems New e+ Features Competitor Competitor $(000s)/ yr 65 kW 200 kW pcan Introducing the InVerde et = Best in class 33% electrical (NIE ETE rueicee orn Ered) Dower i a = DC input option allows for seamless integration with Hele etee $60 $161 battery or renewable installations
Slide 11: Ultera Update
Advanced Modular CHP Systems paca Ultera Update ¢ Renewable Biogas - Ultera retrofit installed and operating successfully at Eastern Municipal Water District in Perris, CA * Generator Retrofits - Order for multiple retrofit kits for natural gas generators shipped in 4Q15
Slide 12: Ultera: Vehicle Market Opportunity
ULTERA: Tecogen- ev portunity b casi ehicle Market Op = Pollution Control - Uncomprimising reduction of both CO and NOx without altering engine performance = Retrofit Advantage - Allows for non- invasive emissions control solution with J} no vehicle or engine modifications i required, bypassing leng
Slide 13: ULTRATEK Emissions Joint Venture
Tecogen -. ULTRATEK: smotmaseei=@) — EMISSIONS JOINT VENTURE “ULTRATEK” joint venture launched in Dec. 2015 to develop Ultera for gasoline powered vehicle applications Total initial investment from ULTRATEK strategic partners of $6M to support developmentinitiative AVL California Technology Center c
Slide 14: Tecogen Revenue Model & Outlook
Tecogen-- Tecogen Revenue Model & Outlook Advanced Modular CHP Systems Three revenue streams — Product sales — Long-term service contracts provide stable ongoing revenue — Turnkey Installation through Tecogen service operations Targeting stable book-to-bill ratio of 1-1.5x Deliver ongoing expense im
Slide 15: Consistent Financial Progress
Advanced Modular CHP Systems paca Consistent Financial Progress Revenues Gross Margin Trailing4 Quarters- in Millions Trailing4 Quarters (%) 25.00 370% 2000 35.0% 15.00 38.0% 10.00 31.0% 5.00 29.0% 0.00 27.0% 2013 roe roe 201s 201s as a as az a | 25.0% 2013 roe aoe 20s 20s Products Services oi oe a
Slide 16: Outlook
paca Outlook Advanced Modular CHP Systems * Continue to deliver on Gross Margin improvement via cost saving, pricing and efficiency initiatives. Targeting combined gross margin 35-40%. ¢ Maintain product and installation backlog above $10M. ¢ Maintain stable Operating Expense of ~$10M on a trailing
Slide 17: Closing Remarks
4Q 2015 Earnings Call Closing Remarks 47
Slide 18: Appendix
paca Advanced Modular CHP Systems ¢ Management Bios ¢ Corporate Structure « Contacts Appendix
Slide 19: Management Team
Tecogen- Advanced Modular CHP Systems John Hatsopoulos, Co-Chief Executive Officer & Board Member = CEO since the company’s organization in 2000 = Co-Founder of Thermo Electron Corp., which is now Fisher ‘Scientific (NYSE:TMO) = AsThermo Electron CFO, grew company from a market capitalization of ~$4
Slide 20: Corporate Relationship
paca Corporate Relationship Manufacturer/Supplier Distributor/Customer Tecogen-)p Cc AMERICAN Advanced Modular CHP Systoms DG ENERGY Manufacturer of natural-gas fueled, te. engine driven, CHP products that include cogeneration modules, chillers, and heat pumps. On-Site Utility™ offering electricity,
Slide 21: Contact Information
Advanced Modular CHP Systems =| ‘Tecogen- ) Contact Information Company Information Tecogen Inc. 45 First Avenue Waltham, MA 02451 www.tecogen.com John Hatsopoulos, Co-CEO 781.622.1122 John.Hatsopoulos@tecogen.com Ariel Babcock CFA, Director of Investor Relations 781.466.6413 Ariel.Babcock@tecogen.c