BITTNET SYSTEM S SA (hereinafter referred to as “the Company”) informs the investors about the upcoming closed period. Between J anuary 23 20 20 and February 21 20 20 the shareholders who have the status of insider within the meaning of FSA Regulation no. 5/2018, Law 24/2017, and Regulation ( no. 522/2016 and Regulation ( 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 a financial report The closed period is due to the fact that on 21 February 20 20 the Company will publish the Preliminary Results for 2019