Unlike last year, the CW did not announce renewals at the event. Mark Pedowitz did talk about the status of Supernatural, however. From TV Guide
At this rate, Supernatural might be the one to break Gunsmoke's record.
CW President Mark Pedowitz said Sunday at the Television Critics Association winter previews that he expects a 12th season of the long-running drama -- and probably more.
TVLine quoted Pedowitz
“Both Jared and Jensen are having a blast,” noted the exec. “As long as they’re having a blast, it’s a great thing. The show is performing better than it did last year, better than you could ever hope. I’m very hopeful that we’ll see it again.”
From Deadline Hollywood
The CW president Mark Pedowitz was a huge Supernatural fan long before he joined the network, and continues to be a big supporter of the veteran drama. At the CW’s TCA presentation, Pedowitz noted that Superatural‘s ratings are up in Season 11. “I’m pretty hopeful we will see it again (next season),” he said.
Television Insider reports
"My answer to Supernatural's [future], from the day I've gotten here—and I've been pretty consistent—is if they can keep telling stories and the numbers keep holding and the guys want to do it, we're going to try and keep going," Pedowitz told reporters after his Television Critics Association executive session panel. "I can't tell you if [the not-yet-ordered] season 12 is the end, I can't tell you if season 15 is the end. I can't tell you it won't outlast my tenure at The CW. My guess is, it will outlast me."
Twitter reported the news
From #TCA16: No mass CW pickups today, but happy talk from Mark Pedowitz about “iZombie,” “Supernatural” and “Crazy Ex-Girlfriend."— TVbytheNumbers.com (@TVbytheNumbers) January 10, 2016
As we say at every tour: "Supernatural" will air on The CW as long as Jared & Jensen want to make #SPN. #TCA16— Jarett Wieselman (@JarettSays) January 10, 2016
CW boss hopeful we’ll see more #Supernatural next year #TCA16— Natalie Abrams (@NatalieAbrams) January 10, 2016
Obviously this is not official, and this is also from the man who stated that he thinks Crazy Ex-Girlfriend could be renewed even with horrible, horrible ratings; however things look very positive that Supernatural may continue for years to come.