This year's financial calendar dates for William Hill PLC (WMH). · · · Upcoming Events. 02 August at half year results. William Hill has issued its second profit warning in 12 months, after a series of “ customer-friendly” football and horseracing results in December. Results Centre. Investors · Investment Case Teach-in: William Hill Australia. 10 May at Annual Report and Accounts 24 February at · · · .