For the purpose of giving this opinion, we have only examined the following documents: a) an original excerpt from the register of commerce of the Canton of Zug with regard to the Company certified by such register of commerce as of July 19, 2017 (the “Excerpt”); b) an original copy of the notarized articles of association (Statuten) of the Company dated May 31, 2017 (the “Articles”), as filed with the Commercial Register of the Canton of Zug; c) a pdf copy of the Plan; d) a pdf copy of the resolution the board of directors of the Company (the “Board”) held on March 8, 2017 with respect to the increase of the Plan by 2’012’684 additional shares. The documents referred to above in paragraphs a) to d) are referred to together as the ”Documents”. We have further examined such other records, documents and other instruments as we have deemed necessary or advisable for the purposes of rendering this opinion. II. ASSUMPTIONS In rendering the opinion below, we have assumed: a) the conformity to the Documents of all documents produced to us as copies, fax copies or viae-mail, and that the original was executed in the manner appearing on the copy of the draft; b) the genuineness and authenticity of the signatures on all copies of the original Documents thereof which we have examined; c) the legal capacity, power and authority of each of the parties (other than the Company) to enter into and perform its obligations under the Plan as well as the due authorization, execution and delivery of the Plan or any document thereunder by each of the parties thereto (including the Company) and that all consents or approvals from and filings, registrations and notifications with or to all governmental authorities (other than in Switzerland) required in connection with the execution, delivery and performance of the Plan have been obtained or made and are in full force and effect; d) the Plan is in full force and effect, has not been rescinded, either in whole or in part, by the Board and that there is no matter affecting the authority of the Board to approve the adoption or assumption of the Plan and filing of the registration statement which would have any adverse implication in relation to the opinions expressed herein; e) the Plan constitutes legal, valid, binding and enforceable obligations of the Company under the governing law; f) all authorizations, approvals, consents, licenses, exemptions and other |