 SAO PAULO, May 11, 2021 PRNewswire -- Telefônica Brasil - B3: VIVT3 Common Shares; NYSE: VIV, announces its results for 1Q21. Net revenue shows an inflection point and resumes growth in the quarter, driven by record revenues in fiber R million 1Q21 y-o-y Net Operating Revenues 10,849 0.2 Core Revenue 9,563 4.7 Mobile Revenue 7,147 1.1 Fixed Core Revenue 2,416 17.2 Non-Core Revenue 1,286 24.1 Total Costs 6,394 1.2 Recurring Total Costs 6,394 0.0 Recurring EBITDA 4,455 0.5 Recurring EBITDA Margin 41.1 0.1 p.p. 