Williams Grand Prix Holdings PLC reported group earnings results for the year ended December 31, 2017. For the period, the company reported that group revenue remained broadly unchanged in 2017 at £166.2 million, compared to £167.4 million in 2016. EBITDA was £10.8 million, compared to £15.5 million in 2016. This performance represents solid results at Formula One operation and continued good progress at Williams Advanced Engineering.