Development and manufacture of as well as trade in and import and export of underwater and sports equipment and related products, in particular for professional, military and sports divers; may establish branches and subsidiaries, grant loans or other financing to third parties, including companies in which it is directly or indirectly involved, as well as direct or indirect shareholders of the company or companies in which these direct or indirect shareholders of the company are directly or indirectly involved, conclude cash pooling agreements with such third parties and provide security of all kinds for their liabilities and guarantees, in each case whether against payment or not and also if these legal transactions are in the exclusive interest of the third parties, as well as acquire, manage, encumber, broker and sell patents, trademarks, copyrights, inventions, technical and industrial knowledge, properties and participations.