Slide 1: 1Q 2016 Earnings
cooper) 1Q 2016 Earnings NASDAQ: TGEN
Slide 2: Participants
* Co-Chief Executive Officer, Director * Co-Chief Executive Officer ¢ President & Chief Operating Officer * Chief Financial Officer * Director, Investor Relations Participants
Slide 3: Safe Harbor Statement
iv. Safe Harbor Statement ‘Advanced Modular CHP Systems ee 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, belie
Slide 4: Leading Manufacturer of Clean Energy Solutions
\dular CHP Systems rn Leading Manufacturer of Clean Energy Solutions aac —— 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 customer’s carbon
Slide 5: Q1 Highlights
Tecogen:\: anceaticionlag | Q1 Highlights Product Improvements InVerde e+ introduction GE Equipment Insight integration Will be integrated in Long Island school District ESCO project ULTRATEK Results Phase 1 tests highly effective in reducing vehicle emissions 90% reduction of Carbon Monoxide 80% re
Slide 6: 1Q 2016 Results
e) Tecogen ‘Advanced Modular CHP Systems REVENUE GROSS PROFIT & MARGIN BACKLOG 10 2016 Results: $5.1M in 1Q16 revenues vs. $6.1M in 1Q15 and $4.3M in 4Q15 Products - $2.3M in 1Q16 product revenue vs. $3.5M in 1Q15 and $1.3M in 4Q15 Service - 9.5% total Service revenue growth vs 1Q15 16.9% growth in
Slide 7: Sales & Backlog
Tecogen Advances CHP Systems ie) Sales & Backlog Backlog Installed Base* Other Other Multi Unit Recreation 11% Recreation 14% Residential 4% 3% a Multi-Unit eae tan Residential Care 9% 36% a Education -_ lucation 17% Hospitality 20% % Industrial 15% Industrial Hospitality 3% 6% Current Product and I
Slide 8: Tecogen GE Equipment Insight
Tecogen GE Equipment Insight ‘Advanced Modular CHP 8}
Slide 9: Tecogen InVerde e+
\dular CHP Systems Tecogen InVerde e* InVerde e* Features Offer Competitive Advantage = Proprietary Inverter and generator # Tecogen = State of the art controls InVen integrating GE cloud-based real- ieee time data analytics monitoring capability = DC input compatible feature for =| battery or renew
Slide 10: ULTRATEK: Emissions Progress
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 Focus of Phase 1 was on base line testing and validation of Ultera system on a standard vehicle platform Ini
Slide 11: Tecogen ULTRATEK: Results
‘Advanced Modular CHP Systems Tecogen ULTRATEK: Results v M < EN Ultera chemistry confirmed as effective soline automotive engines Phase 1 focus on federally prescribed standard drive cycle tests 2016 light duty vehicle was compliant with current federal regulations on the standard test cycle Ultera
Slide 12: Tecogen Financial Metrics
Tecogen- Financial Metrics Advanced Modular CHP Systems Reven ues, Mar, ns, Growth For the Quarter Ended WW got March 31, March32, Stwth Tota} = Three revenue streams 2015 Revenue Product sales REVENUE : Cogeneration 1,417,972 2,571,928 27.9% | Fone .term service contracts Chiller & Heat Pi 848,176
Slide 13: Revenues
Revenues Trailing 4 Quarters - in Millions 2014 2014 2015, 2016 2016 at 3 at 3 ‘a Products Services Backlog - Product and Installation Services $ Millions P2ERRPP ERE ERIE EE SPSS 8S2 335 SRSEZG RE 41Q 2016 Earnings Call Consistent Financial Progress Gross Margin Trailing 4 Quarters (%) 2014 2018 20
Slide 14: Executing on Growth Strategy
Tecogen af OPERATIONS SERVICE Executing on Growth Strategy InVerde e+ sales traction and competitive advantage First gas company selling agreement for llios and Tecochill Backlog remains comfortably above >$10M backlog target Operational excellence initiatives continue to deliver on expense control
Slide 15: Q&A
‘Advanced Modular CHP Systems High Efficiency Q&A NASDAQ: TGEN @)
Slide 16: Tecogen Contact Information
r a oogen 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.com