The share capital has not undergone changes since 2007. The latest changes in share capital are listed below.
| Year | Nr Shares Issued | Purpose | Nominal Amount | Total Shares Issued | Capital |
| 2007 | Stock Split | 1.00 € | 629,293,220 | 629,293,220 € | |
| 2004 | 30,000,000 | Share Capital Increase Reserved to Shareholders | 5.00 € | 125,858,644 | 629,293,220 € |
| 2000 | 500 | Warrants Exercised | 5.00 € | 95,858,644 | 479,293,220 € |
| 1999 | 369,042 | Warrants Exercised | 5.00 € | 95,858,144 | 479,290,720 € |
| 1998 | 25,000,000 | Share Capital Increase Reserved to Shareholders | 1,000.00 Esc | 95,489,102 | 95,489,102 m PTE |
| 1998 | 832,415 | Warrants Exercised | 1,000.00 Esc | 70,489,102 | 70,489,102 m PTE |
| 1997 | 41,794,012 | Incorporation of Reserves (3 new per each 2 owned) | 1,000.00 Esc | 69,656,687 | 69,656,687 m PTE |
| 1997 | 337,098 | JM Stock Options Plan Trust | 1,000.00 Esc | 27,862,675 | 27,862,675 m PTE |
| 1997 | 144,436 | Warrants Exercised | 1,000.00 Esc | 27,525,577 | 27,525,577 m PTE |
| 1996 | 9,127,046 | Share Capital Increase Reserved to Shareholders | 1,000.00 Esc | 27,381,141 | 27,381,141 m PTE |
| 1996 | 4,563,523 | Incorporation of Reserves | 1,000.00 Esc | 18,254,095 | 18,254,095 m PTE |
| 1995 | 484,265 | Conversion of 1,852,350 bonds in shares | 1,000.00 Esc | 13,690,572 | 13,690,572 m PTE |