(Telecompaper) AT&T reported revenues up 17.8 percent in the first quarter to USD 44.8 billion, driven by its takeover of Time Warner, expansion in advertising services and mobile service revenue growth. This was offset by continued declines its legacy wireline services and pay-TV subscriber losses. The company's net profit fell to USD 4.1 billion from USD 4.7 billion, hurt by one-time charges for the merger and employee benefit schemes. On an adjusted basis, the operating margin rose to 21.4 percent from 19.7 percent, and EPS increased to USD 0.86 from USD 0.85 a year ago.