EXHIBIT 10.4 ODYSSEY MARINE EXPLORATION, INC. SERIES B CONVERTIBLE PREFERRED STOCK PURCHASE AGREEMENT Dated as of February 28, 2001 ODYSSEY MARINE EXPLORATION, INC. Series B Convertible Stock Purchase Agreement Series B Convertible Stock Purchase...Registration Rights Agreement • March 9th, 2001 • Odyssey Marine Exploration Inc • Services-business services, nec • Florida
