SCIOS INC. AND SUBSIDIARIES Computation of Net Loss Per Share (Calculated in accordance with the guidelines of item 601 of Regulation S-K. The effect of stock options on loss per share is anti-dilutive) Three months ended September 30, 1997 1996 ---------------- ----------------- (Unaudited) PRIMARY AND FULLY DILUTED: Average common shares outstanding 35,845,927 35,931,277 ---------------- ----------------- Net loss ($6,429,000) ($4,910,000) ---------------- ----------------- Net loss per share ($0.18) ($0.14) ---------------- ----------------- Nine months ended September 30, 1997 1996 ---------------- ----------------- (Unaudited) PRIMARY AND FULLY DILUTED: Average common shares outstanding 35,834,686 35,885,377 ---------------- ----------------- Net loss ($31,237,000) ($19,943,000) ---------------- ----------------- Net loss per share ($0.87) ($0.56) ---------------- ----------------- EXHIBIT 11