On February 1, 2019, the Board of Directors of Tecogen Inc. increased the size of the Company's Board of Directors to seven (7) directors, and appointed John N. Hatsopoulos as an additional member of the Company's Board of Directors, to serve until the Company's 2019 annual meeting of stockholders, or until his successor is duly elected and qualified. Mr. Hatsopoulos will serve as Lead Director for purposes of assisting the Company in identifying and evaluating financing alternatives for the Company. Mr. Hatsopoulos is a founder of the Company, and was a member of the Board of Directors of the Company until June 6, 2018. Mr. Hatsopoulos served as CEO of the Company until October 29, 2014 and as co-CEO through March 29, 2018. Mr. Hatsopoulos has also served as an advisor to the Board of Directors and the CEO of the Company since January 3, 2018 pursuant to an Advisory Agreement with the Company dated January 3, 2018 a copy of which was filed as an Exhibit to a Current Report on Form 8-K, as filed with the SEC on January 9, 2018. The term of the Advisory Agreement continues through January 2, 2021.