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4.7 Distributor may not encumber, assign in whole or in part, sub-contract, sell or otherwise dispose of any of the distribution rights relating to the Products granted under this Agreement without the prior written consent of xy. Pursuant to Article 11.2 hereinafter, xy may terminate this Agreement in case of any merger of Distributor with another firm or company or any transaction resulting in a substantial change in the person(s) having a majority of the shares of or a controlling interest in Distributor.