helios towers plc said thursday that adjusted earnings for the second quarter rose on the back of higher revenue and reiterated its outlook for the full year the africa and middle eastfocused telecommunicationsinfrastructure company said adjusted earnings before interest taxes depreciation and amortization for the quarter grew to 584 million from 558 million a year earlier revenue for the quarter increased to 1088 million from 1036 million it said for the first half helios reported a narrowed pretax loss of 436 million compared with a loss of 83 million a year earlier on revenue that rose to 2124 million from 204 million the company said the company said its guidance for tenancies in its existing markets and capital expenditure remains unchanged