Butt: "When I was down at Birmingham I probably didn't think I'd be returning to Newcastle.
Butt: 'We Have Huge Potential'
"But I came back, got my head down and worked hard and had a good season.
"I'm very happy with the way things have gone for me over the past 18 months and hopefully that will continue."
Speaking about his new deal, he added: "I've said all along I wanted to stay here and extend my contract. I'm happy to get it sorted and, to be honest, I always knew it would be.
"It's a great club with huge potential and we have to try and help fulfil that."