X0306 4 2016-05-09 0001389545 NovaBay Pharmaceuticals, Inc. NBY 0001188738 SIECZKAREK MARK M C/O NOVABAY PHARMACEUTICALS, INC. 5980 HORTON STREET, SUITE 550 EMERYVILLE CA 94608 1 Warrant 1.91 2016-05-09 4 A 0 130890 0 A 2016-05-09 2020-05-05 Common Stock 130890 142557 D Warrant acquisition pursuant to a securities purchase agreement, which is one of a series of securities purchase agreements that the company entered into for the sale of an aggregate of 2,039,530 warrants to 9 accredited investors. The company expects to sell another 1,047,121 warrants pursuant to those same agreements on July 31, 2016. /s/ Justin Hall as attorney in fact for Mark Seiczkarek 2016-05-13