Shares operation history
| Operation | Registration date | Issue size | No. of shares |
|---|---|---|---|
| Series A - foundres' shares | December 1st 1994 | 3000 | 3000 |
| Series B – right of preemption | September 26th 1995 | 7 000 | 10 000 |
| Seria C, D- right of preemption, selected investors | April 22nd 1997 | 50 586 | 60 586 |
| Split 1:50 | June 11th 1997 | 3 029 300 | |
| Series E – public subscription | November 26th 1997 | 2 500 000 | 5 529 300 |
| Firm alteration from Medicines SA to PGF SA | November 30th 1998 | ||
| Series F – convertible: exchange of 25 shares PGF SA for 1 share Carbo SA | December 16th 1998 | 425 000 | 5 954 300 |
| Series G - convertible: exchange of 25 shares PGF SA for 1 share Carbo SA | December 16th 1998 | 2 455 000 | 8 409 300 |
| Series H - convertible: exchange of 35 shares PGF SA for 1 share Cefarm B | December 22nd 1998 | 415 380 | 8 824 680 |
| Series I - convertible: exchange of 35 shares PGF SA for 1 share Cefarm B | December 22nd 1998 | 380 835 | 9 205 515 |
| Series J - convertible: exchange of 35 shares PGF SA for 1 share Cefarm B | December 22nd 1998 | 841 785 | 10 047 300 |
| Series K - convertible: exchange of 1 share PGF SA for 22 shares Urtica SA | December 6th 1999 | 430 000 | 10 477 300 |
| Series L - convertible: exchange of 10 shares PGF SA for 1 share Biomedic SA | December 7th 1999 | 511 750 | 10 989 050 |
| Series M - convertible: exchange of 10 shares PGF SA for 1 share Biomedic SA | September 5th 2000 | 1 246 563 | 12 235 613 |
| Series N1 | December 21st 2004 | 99 750 | 12 335 363 |
| Series N2 – managerial offer | November 22dn 2005 | 103 600 | 12 438 963 |
| Series N3 – managerial offer; for bonds series C | March 14th 2007 | 144 050 | 12 583 013 |
| Series N3 – managerial offer; for convertible bonds | August 31st 2007 | 8 400 | 12 591 413 |
| Reduction of capital, Retirement of company shares | October 21st 2010 | -360 974 | 12 230 439 |
| Series O1- managerial offer | January 24th 2011 | 18 600 | 12 249 039 |
| Series O1 - managerial offer | July 29th 2011 | 41 800 | 12 290 839 |
| Series O1 - managerial offer | September 19th 2011 | 32 500 | 12 323 339 |
| Series O2 - managerial offer | September 19th 2011 | 92 900 | 12 416 239 |
| Reduction of capital, Retirement of company shares | November 29th 2011 | -168 141 | 12 248 098 |