Williams Grand Prix Holdings PLC announced earnings results for the six months ended June 30, 2017. For the six months, the company's revenue was GBP 85.9 million against GBP 80.0 million a year ago. EBITDA was GBP 10.4 million against GBP 7.8 million a year ago. Operating free cash flow was GBP 10.9 million against GBP 13.0 million a year ago.