EXHIBIT 4.03 C AMENDMENT NO. 2 TO RADIUS INC. 1995 STOCK OPTION PLAN December 12, 1996 The 850,000 shares referred to in Section 2.1 is hereby increased by 2,716,620, for a total of 3,566,620 shares. Radius Inc. By: /s/ Cherrie L. Fosco --------------------------------- Cherrie L. Fosco Vice President and Corporate Controller -1-