Slide 1: Tecogen Q2 2016 Earnings Call, August 10, 2016
NASDAQ: TGEN August 10, 2016
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: Why Tecogen?
canes) Why Tecogen? at, Power & Cooling that is Cheaper, Cleaner, & More Reliable Advanced Modular CHP Systems “Unregulated Utility”. Emissions Control CHP Modules llios Water Heaters TECOCHILL i Tor Electricity & Heat 2-3x Heat Efficiency Cooling & Heat Ultra-Clean Emissions Tecogen’s compelling RO
Slide 5: Tecogen 2016 Progress
Tecogen:W 2016 Progress Advanced Modular CHP Systems Products * — Launched InVerde e+ reinforcing competitive advantage in key markets + — GE Equipment Insight real-time monitoring and cloud-based data analytics deployment Sales * Repeat orders won from key ESCOs, developers and property managers de
Slide 6: 2Q 2016 Results
Tecogen Advanced Modular CHP Systems e) REVENUE GROSS PROHIT & MARGIN 2Q 2016 Results: Total Revenues - $5.7M in 2016 vs. $6.4M in 2015 & $5.1M in 1916 Products - $2.4M in 2Q16 vs. $3.3M in 2Q15 & $2.3M in 1916 — Chiller & Heat Pump sales growth offset by challenged Cogeneration sales — Incentive pr
Slide 7: Advanced Modular CHP Systems: Sales & Backlog
Advanced i CHP Systems paca Recreation 4%, Health Care. 11% Education 6% Industrial 2% Multi-Unit Residential 63% Sales & Backlog Installed Base* . Other Recreation 11% 4% Multi-Unit Health = Res Care 9% Education pes Hospitality 7% Industrial 15% $14.1M 2Q16 backlog up 50% Y/Y vs. $9.3M 2Q15 backlo
Slide 8: TTcogen JV
Advanced Modular CHP Systems Tecogen-i- TIcogen JV: 9) INFINITE POTENTIAL Tecogen-)- Advanced Modular CHP Systems INFINITE POTENTIAL TIcogen
Slide 9: TTcogen: Infinite Potential, U.S. Market Projection
Count of Potential CHP sites Advanced Modular CHP Systems Tecogen a 40,000 35,000 20,000 25,000 20,000 15,000 10,000 5,000 Tecoge! On-Site CHP Potential Capacity (MW) TTcogen till 5O500KW S500KW-1 1-5MW 5-20MW - MW e) >20MW TIcogen: Infinite Potential U.S. Market Projection = DOE CHP US. market pote
Slide 10: TEDOM Portfolio from TTcogen
Tecogen-)- TEDOM Portfolio: — from TIcogen = Compact 35kW CHP unit = Packaged CHP ranging in size = Meets the requirements of = The most efficient small CHP from 125 - 330kW large facilities with high energy unit on the marketin the U.S. = Powered by TEDOM custom demand in the 1-4 MW range proprieta
Slide 11: Technology Update: GE Equipment Insight
Tecogen nN) Technology Update: Advanced Modular CHP Systems GE Equipment Insight ‘Tecogenss5 — a 8 i ; : i i ; : Pe nN bot \ ee ee eee ee TTT “H eI 2Q 2016 Earnings Call 11.
Slide 12: Technology Update: InVerde e+
paca Technology Update: Advanced Modular CHP Systems I n Ve rd le e+ Unique Cutting-Edge Features ¢ Superior efficiency * Quieter operation ¢ Microgrid enabled for advanced demand response ¢ DC input capability for renewable and/or battery integration
Slide 13: Ultratek: YTD Emissions Progress
ULTRATEK: YTD Emissions Progress Advanced Modular CHP Systems Additional emissions-related patent awarded with several other filings still pending Constructed preliminary test module Phase 1 testing at AVL California Technology center completed in April Phase 1 results on base-line vehicle platform
Slide 14: Ultratek: Results
Tecogen re Advanced Modular CHP Systems ie) ULTRATEK: Results v Ultera chemistry confirmed as effective on gasoline automotive engines 0 : o 0 v Phase 1 focus on federally prescribed Standard Vehicle 332, 5.234 5.763 10.997 standard drive cycle tests baer om ay ae ee ULEV Regulation 8000 140 Y 2016
Slide 15: Ultratek Results: Reduction of CO Concentration
Tecogent_ULTRATEK: Results Ultera Reduction of CO Concentration - USO6 Cycle Standard Vehicle Emission System With the addition of the Ultera System 8 —con_03 ppm reer | sey 1 —coH_TP ppm rotenone] a SPEED oo speed =~ w | | ™ 1 5 = « |/8™ « * : . ° 100 200 +300 400 ‘500 ao Time (seconds) Time (secon
Slide 16: Ultratek Results: Reduction of NMHC Concentration
Tecogen Advanced Modular CHP Systems ©) Standard Vehicle Emission System ULTRATEK: Results Ultera Reduction of NMHC Concentration - USO6 Cycle With the addition of the Ultera System 7 —_NMHC-Mid Bed ppm —SPEED Concentration (ppm) es 8 8 8 Time (seconds) no 7” _NMHC-TP ppm “ ge SPEED no t z Eo oF \3
Slide 17: Ultratek: Phase 2 Testing
Tecogen AVL Testing to resume this month — Six weeks planned Upgraded system — Quicker response — Moreaccurate sizing — Improved chemistry for gasoline application Two vehicles procured for evaluation — Strategic selection process ULTRATEK: Phase 2 Testing Ultera EMISSION CONTROL
Slide 18: Tecogen Revenue Model & Outlook
Tecogen-- Advanced Modular CHP Systems Tecogen Revenue Model & Outlook 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 19: Consistent Financial Progress
Tecogen-i 25.00 20.00 15.00 1000 5.00 0.00 Advanced Modular CHP Systems 2owsar tants Backlog - Product and Installation Services Febas Maras, 201403 doris Mayas unas 1g 4 Quarters - in Millions Revenues 2orsar Products Augas Consistent Financial Progress 201503 mservices $ Millions sep5 ota, Novas D
Slide 20: Opportunities & Outlook
Advanced Modular CHP Systems paca Opportunities & Outlook a growing company in a growing industry A * High ROI product * Technological innovation * Relationships with key partners * Increasing environmental and regulatory pressures * Resiliency and Demand Response * Turnkey installation * Long term
Slide 21: Q&A
Advanced Modular CHP Systems paca Q&A vee Tecochill3& Inverter-Based Cogeneration The Driving Force in Cooling NASDAQ: TGEN Ilios :¢2 & High ticieny INFINITE POTENTIAL 2Q 2016 Earnings Call a
Slide 22: 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