| Ticker symbol | IMPN |
| Security number | 2 386 855 |
| ISIN | CH002 386 8554 |
| Listed | 6 March 2006, SIX Swiss Stock Exchange |
| Selected Indices | Swiss Performance Index (SPI) |
| Voting rights | Each share entitles the holder to one vote, no voting right restrictions for registered shareholders |
| End of Fiscal Year | 31 December |
| Shareholders holding > 3% | A list of changes in significant shareholdings reported to the Disclosure Office of SIX Swiss Exchange Ltd can be found at the website SIX Swiss Exchange Regulation |