Company OT-Optima Telekom d.d., Zagreb, Bani 75/a informs the public that Hrvatski Telekom d.d. on December 9, 2020 at 15:06 hours and Zagrebačka banka d.d. on December 9, 2020 at 15:12hours made public announcement that Hrvatski Telekom d.d. and Zagrebačka banka Inc. jointly engaged the investment bank CREDIT SUISSE (DEUTSCHLAND) AKTIENGESELLSCHAFT, with its registered seat in Frankfurt am Main, Germany, for the sale process of their shares in the company OT-Optima Telekom Inc.