The Management Board of the Issuer 4MASS S.A. hereby announces that the Ordinary General Meeting of Shareholders of the Issuer has been convened for June 27, 2019 (hereinafter referred to as the "AGM"), at 12:30 p.m., at the premises of the Notary Office Marek Bartnicki, Slawomir Strojny, Wiktor Wągrodzki, Michal Kolpa, Slawomir Wisniewski s.c. at 4 Gałczyńskiego Konstanty Ildefonsa Street in Warsaw. The full text of the announcement on the convening of the Ordinary General Meeting of the Company, together with the proposed amendment to the Articles of Association of the Company, the content of the draft resolutions, together with and a sample form for voting at the Ordinary General Meeting by proxy, can be found in the attachments to ESPI Report 17/2019 and EBI Report 20/2019. In the attachment to this announcement, I provide information on the number of shares in the Company and the number of votes.