Just spoken to GGL line this am.
They will start to contact those affected early next week.
The email above is what they are currently reading out to customers.
The option proposed I think will be a partial refund for the difference between a Club and First fare. There are other options which have been agreed with Revenue Management but I think to be honest it sounded to some extent that it would be dealt with on a case by case basis as the numbers are likely to be small.....

FD.