April 3 (Reuters) - Russian conglomerate Sistema says:
* Net loss was 98.89 billion roubles in the forth quarter of 2017;
* Adjusted net loss was 1.556 billion roubles in the forth quarter of 2017;
* The forth quarter revenue up 8.4 percent y/y to 198.6 billion roubles;
* The forth quarter adjusted OIBDA up 13.8 percent y/y to 47.29 billion roubles;
* Consolidated revenues up 3.5 perecnt y/y to 704.6 billion roubles in 2017;
* Adjusted OIBDA1 up 8.0 percent y/y to 199.5 billion roubles, with an adjusted OIBDA margin of 28.3 percent.
* Loss attributable to Sistema was 94.602 bln roubles vs 11.759 bln roubles in 2016 Further company coverage: (Reporting by Moscow Newsroom)