6,000,000 Shares of Common Stock, par value $0.001 Warrants to Purchase 3,000,000 Shares of Common Stock and 900,000 Over-Allotment Shares Over- Allotment Warrants to Purchase 450,000 Shares of Common Stock APRICUS BIOSCIENCES, INC. UNDERWRITING AGREEMENTApricus Biosciences, Inc. • May 24th, 2013 • Pharmaceutical preparations • New York
