1 EXHIBIT 10.4 CONFIDENTIAL TREATMENT REQUESTED UNDER 17 C.F.R. SECTIONS 200.80(b)(4) 200.83 AND 230.406. * INDICATES OMITTED MATERIAL THAT IS THE SUBJECT OF A CONFIDENTIAL TREATMENT REQUEST THAT IS FILED SEPARATELY WITH THE COMMISSION. AGREEMENT AND...V 7 Agreement and Plan of Merger And • November 12th, 1996 • Cypress Bioscience Inc • Biological products, (no disgnostic substances) • Delaware
