He’s already up and running in 2007-08 with a goal against Derby County.
Still only 24, Jermaine said: “This Club has the calibre of squad that any player would want to be part of.
“The spirit in the squad is terrific, the Club is ambitious and undoubtedly moving forward.
“I feel I still have a lot of potential to develop further and playing alongside team-mates of this quality will help me do that.
“I am very happy here and would love to stay at Tottenham for the rest of my career.”
Manager Martin Jol added: "JJ has made a big contribution over the last two seasons and he is improving as a player all the time. His goals from midfield are a vital ingredient for us and he is already off the mark this season.
"I am delighted he has committed his future to the Club because JJ has so much talent and is such a positive player. He always wants to learn and that is the right mentality to have, he wants to prove that he is a top player and the sky is the limit for him."
We are delighted to announce that Jermaine Jenas has signed an improved five-year deal with the Club that will see him at the Lane until 2012.Signed from Newcastle United in August 2005 and already capped 17 times by England, ‘JJ’ enjoyed a fine campaign last season when he contributed eight goals from midfield despite injury ruling him out for two months.