1995–today   1993–1994   1990–1992   since going public (1986)–1989 Changes in capital structure 1990–1992 year what bearer shares (BS) registered shares (RS) participat. certificates (PC) 1992 status at year end 43,600 52,800 53,000 1992 bonus options (from 1991) exercised +4,400 +4,800 1992 options on PC exercised +29,996 1991 AGM approved bonus options on BS (4,400) and RS (5,000) 1990 BS and PC placed +8,000 +5,000 1989 status at year end 31,200 48,000 18,004  1) 1) incl. 4 options on PC exercised (from warrant issue in 1987)