Ferrari has confirmed that Kimi Raikkonen will stay with the team in 2017, ending speculation about the Finn’s future and his possible replacements.
A simple statement said: “Scuderia Ferrari announces that it has renewed its technical and racing agreement with Kimi Raikkonen. The driver line-up for the 2017 racing season will still consist of the Finnish driver and Sebastian Vettel.”
Although it is not spelled out it would appear that the deal is just for one year.
Adam Cooper's F1 Blog 
A good decision by Ferrari, subject to whether their car circa 2017 will give Kimi a glorious swan song and not just an ‘also ran’.