| Class of shares | No-par value registered shares |
| Initial public offering | 23 November 1999 |
| Revocation of the listing of shares | 23 June 2017 |
| Number of shares issued | 7,071,985 |
| Nominal capital (in EURO) | 7,071,985 |
| Securities identification number | A3H230 |
| ISIN number | DE000A3H2309 |
| Shareholders | Shares |
| Elector GmbH, Berlin | 77 % |
| Free Float | 23 % |