Despite attracting interest from across Europe, the Holland midfielder sees his future with the Rossoneri.
Reijnders said, "We are discussing the renewal at the moment but I can't say more.
"However, I see myself at Milan until my thirties."
On the weekend clash with Juventus, he also told Gianlucadimarzio.com: "I'm confident for the match against Juve.
"We have our destiny in our hands, our goal, however, is to finish in the top eight."