It's been clear since the Kings acquired Marian Gaborik that both the team and the player were interested in a long-term extension. In his wonderful 30 Thoughts column Elliotte Friedman suggests that both sides have gotten their wish, and a new contract will likely be announced after the playoffs. The relevant quote:
24. Don't think Marian Gaborik is going to hit free agency. During their 2012 cup run, the Kings quietly did an extension with Jarret Stoll, but waited until it was over to announce. Could see something similar here.