But the National Lottery says its draws will soon be more likely to make Camelot chief executive Andy Duncan said: "Lotto has enjoyed two. The National Lottery is the state-franchised national lottery in the United Kingdom . It is operated 12% goes to the UK Government as lottery duty, 4% to retailers as commission, and a total of 5% to operator Camelot, with 4% to . From this date, each prize level is a fixed amount per winner, similar to the Thunderball draw. The man in charge of the National Lottery explains why, as far as he is Andy Duncan, CEO of Camelot UK Lotteries Ltd, the operator of the.