Bittnet Systems S.A. (hereinafter referred to as “the Company”) the shareholders about the upcoming closed period. Between August 02nd, 2018 and August 31st, 2018 the shareholders who have the status of “insider” within the meaning of FSA Regulation no. 5/2018, Law 24/2017, and of Regulation (EU) no. 522/2016 and Regulation (EU) No. 596/2014, shall not conduct any transactions on their own account or for the account of a third party, directly or indirectly, relating to the shares or debt instruments of the issuer or to derivatives or other financial instruments linked to them during a closed period of 30 calendar days before the announcement of an interim financial report. The closed period is due to the fact that on August 31st 2018, the Company will publish the Semiannual Report for 1st Half of the financial year 2018 accompanied by the half-yearly financial results.