These excerpts taken from the GPCB 20-F filed Jun 21, 2007.
If individual provisions of the present option terms are or become fully or partially ineffective or unenforceable, the effectiveness of the remaining provisions thereof shall not
be affected thereby. The ineffective or unenforceable provisions shall be replaced by provisions that come as close as possible to the economic purpose of the unenforceable provisions in a legally permissible manner. The same shall apply analogously
to any lacunae requiring amendment that become evident in the implementation of the present option terms.
Modifications of and amendments to the present terms shall be made in writing, to the extent that they need not be notarized. The preceding clause shall also apply to modifications
of the written form clause.
The Companys domicile shall be the place of performance and jurisdiction.
The form and content of both the option rights and the rights and duties of the Optionee and the Company are subject to the laws of the Federal Republic of Germany.