BOCA RATON, Fla.--(BUSINESS WIRE)--The ADT Corporation (NYSE:ADT): FIRST QUARTER 2015 FINANCIAL HIGHLIGHTS GAAP: revenue of $887 million, net income of $72 million, diluted EPS of $0.41, operating cash flow of $369 million Diluted EPS before special items of $0.51(1), up 18.6% from prior year Recurring revenue of $825 million, up 6.5% or 7.1% in constant currency(1)(2) EBITDA before special items of $453 million(1), up $27 million or 6.3% EBITDA margin before special items of 51.1%(1), up 30 ba