"I am made up to be staying at United. In August I will have been at the club for 10 years and during that time I have played with some fantastic players and won everything that I hoped I would when I first signed.
I now have the chance as one of the club's senior players to help the younger players coming through and to be a part of another great United team."The fans have always been a huge part of this club and the support they have given me since my debut against Fenerbahce has been amazing.
"I am very grateful to all United fans around the world for their continued support.
"I am really excited to be a part of the club's future and want to thank David Moyes and Ed Woodward for their belief and support.
"I am convinced this is the start of another successful chapter in Manchester United's history."
More top news
Investigators have released images of two more people they wish to speak to about the Hillsborough tragedy.
Anthony Walker was murdered in a park in Liverpool in 2005. His family have spoken about their loss.
A man convicted of trying to buy ricin poison from the Dark Web said he was inspired by the hit television series Breaking Bad.