In September, 1997 the shareholders of ZUK ELZAB S.A. decided to make the company public and enter the Warsaw Stock Exchange in Warsaw.
The Extraordinary Shareholders Meeting passed a resolution on increasing the share capital up to the amount PLN 17 217 600 through the issue of 306 000 C series shares of nominal value PLN 13,60.
Simultaneously, 810 000 ordinary bearer A series shares and 150 000 prescribed privileged B shares were decided to be offered in public trade.

On 18th December, 1997 the Commission of Securities and Stock Exchange admitted to public trade:
- 810 000 A series ordinary bearer shares,
- 150 000 prescribed B series shares privileged in vote (5 : 1)
- and 306 000 C series ordinary shares that the Company offered within public subscription.

The public offer took place in February, 1998. The issue was divided into three tranches. The tranche of big investors included 200 thousand shares, the tranche of small investors - 100 thousand and the managerial tranche – 6 thousand securities. The Management Board of ZUK ELZAB S.A. fixed the issue price as PLN 72, i.e. by PLN 2 above the minimum price. The issue was guaranteed by the following consortium: Polski Bank Rozwoju, Centrum Operacji Kapitałowych Banku Handlowego, PKO BP, Bank Staropolski and Bank Energetyki.

In June, 2004 Public Subscription of D Series shares took place where 362 159 shares were allocated at issue price PLN 15,30. Almost 100% shares of the new issue were taken over by MWCR S.p.A.

Number of shares, divided into series issued (as of 15.10.2008)