I doubt it. His party has been very strongly against TTIP for reasons that are not European. Now, if TTIP is an agreement that will be presented for the UK, then his objections would still remain. I’ve heard objections from many who have called into question the ability of governments to provide public services with TTIP as it currently stands, so I assume that he will be as vehement in his objections to TTIP if it were to be a UK/US agreement as he would have been if it had been a EU/US agreement.