ATTICA BANK S.A. ANNOUNCEMENT REGARDING THE ADMISSION AND COMMENCEMENT OF TRADING IN THE WARRANTS SEGMENT OF THE REGULATED SECURITIES MARKET OF ATHEX OF 271,448,946 WARRANTS OF ATTICA BANK S.A. SEE THE ATTACHED ANNOUNCEMENTANNOUNCEMENT REGARDING THE ADMISSION AND COMMENCEMENT OF TRADING IN THE WARRANTS SEGMENT OF THE REGULATED SECURITIES MARKET OF ATHEX OF 271,448,946 WARRANTS OF ATTICA BANK S.A.