O2 Czech Republic a.S. Announced earnings results for the fourth quarter ended December 31, 2019. For the fourth quarter, the company announced sales was CZK 10,171 million compared to CZK 9,833 million a year ago. Operating income was CZK 1,834 million compared to CZK 1,636 million a year ago. Net income was CZK 1,437 million compared to CZK 1,231 million a year ago. For the full year, sales was CZK 38,838 million compared to CZK 38,087 million a year ago. Operating income was CZK 7,241 million compared to CZK 7,108 million a year ago. Net income was CZK 5,460 million compared to CZK 5,448 million a year ago.