Laporta said: "We are interested in their stay. We plan to start these negotiations in a short period of time because, as you know, Deco is planning the best way to negotiate with Atlético Madrid and Manchester City.
"We have a beautiful friendship with these clubs."
Barca coach Xavi also said: "We are satisfied with both. They have adapted well and are doing very well.
"Naturally we would like to count on them even after this season."