(Telecompaper) US operator Verizon reported first-quarter earnings up 15.3 percent from a year earlier to USD 0.68 per share, led by continued growth at its mobile and fibre broadband activities. Revenues rose 4.2 percent to USD 29.4 billion, EBITDA improved 12.1 percent to USD 10.3 billion, and operating profit was up 19.8 percent to USD 6.2 billion. The adjusted EBITDA margin was up 240 basis points from a year earlier to 35.1 percent. Operating cash flow increased 26.4 percent to USD 1.6 billion, while capital expenditures were flat year-on-year at USD 3.6 billion. Verizon said it expects earnings and free cash flow to continue to grow in the course of this year.