Mmm, having added the dates to the wall chart, the following clashes....
Donington 30 Mar clashes with HVM / Masters Le Castellet.
Silverstone 18/19 May clashes with PA Spa Classic.
Snetterton 01 Jun clashes with Thruxton Revival.
Brands Superprix 29/30 Jun clashes with Spa Summmer Classic and HVM / Masters Magny-Cours.
Brands 21 Sept clashes with PA Monza.
Silverstone finals 19/20 Oct clashes with PA Le Castellet.
Apart from the Thruxton clash, the others are all with events across the channel, so it may not matter......