Simon announced on Saturday that he'll be donating £250k to the charities also.
The Winner’s Duet will be available to download and stream after the winner has been announced on Sunday night and will be The X Factor’s 10th charity release.
Simco Limited will donate 100% of its profits from the sale of each download and in respect of all audio streaming of the single, and the Chancellor has also agreed to donate the VAT, in each case to be shared equally by Together For Short Lives, registered charity no. 1144022 and Shooting Star Chase, registered charity no. 1042495. This donation will be at least 20p plus VAT for each download sold in the UK.
FremantleMedia Limited, ITV and all performers featuring on the single have also agreed to forgo any master royalties due to them in connection with downloads and all audio streaming of the single.