Both players have been outstanding for Everton this season.
"You can imagine we are working always behind the scenes to try to reward youngsters who do well at at the club and Ross is clearly that, but there is nothing to announce," said Martinez.
"Even when you don't speak about issues we work really hard behind the scenes to try to make sure that the youngsters get rewarded and Ross clearly deserves that.
"Sylvain has been a terrific performer this season and we couldn't be happier with his role at the club.
"All these issues are vital for us and we are going to look after them straight after this Christmas period.
"At this moment all that matters is to get everyone focused in being ready to help the team and Sylvain clearly has been an example of doing that."
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