Motorcycle Live 2019

is it just me or is there discrimination going on here, something which is supposed to be illegal under UK/EU Law ?
i refer to the ticket pricing for overseas visitors, is it discriminatory for us Brits or is it OK to screw us over... or do i have this all wrong ?

https://www.motorcyclelive.co.uk/ticket-information/

and in case the link don't work
MC_Live_Ticket Info.JPG