Telefonica Brazil has posted net profit of BRL1.46 billion (USD845 million) for the three months ended 31 December 2011, an increase of 9.8% quarter-on-quarter, but down 1.3% from the BRL1.48 billion reported in the year-ago quarter on higher operating costs. Revenues climbed 4.5% to BRL8.60 billion from BRL8.23 billion in Q4 2010. The group’s results include its fixed line operations as well as mobile business Vivo Participacoes. Earlier this year, Telefonica of Spain – which controls both companies – integrated the fixed and mobile divisions into a unified business, Telesp. In the last three months of 2011 the company said earnings before interest, tax, depreciation and amortisation (EBITDA) grew 6.4% year-on-year to BRL3.31 billion; the EBITDA margin was 38.5%, up from 37.7% in 4Q10. Telefonica Brazil reported a total mobile subscriber base of 71.55 million at 31 December 2011, an increase of 18.7% from 60.29 million at end-2010, while total fixed accesses climbed from 15.10 million to 15.31 million over the same period.