BITTNET SYSTEMS S.A. (hereinafter referred to as “the Company”) informs the shareholders about the upcoming closed period. Between July 30, 2019 and August 30, 2019, the shareholders who have the status of insider within the meaning of FSA Regulation no. 5/2018, Law 24/2017, and 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 other financial instruments linked to them during a closed period of 30 days before the announcement of an interim financial report. The closed period is due to the fact that on 30 August 2019, the Company will publish the Half Year Report for 2019.