EXECUTION VERSION 3,000,000 Shares ENERGY FOCUS, INC. Common Stock UNDERWRITING AGREEMENT September 11, 2015 Oppenheimer & Co. Inc., as Representative of the several Underwriters named in Schedule I hereto c/o Oppenheimer & Co. Inc. 85 Broad Street...Underwriting Agreement • September 14th, 2015 • Energy Focus, Inc/De • Electric lighting & wiring equipment • Ohio
