Celtic manager Neil Lennon has signed a new 12-month rolling contract, the Glasgow club have confirmed.
Lennon told the club's official website: "I am absolutely delighted to agree this new contract with the club. I have had 10 great years connected to Celtic and I hope to enjoy many more.
"Clearly this is down to me and I will be doing everything I possibly can to ensure we bring our fans more success."
The Northern Irishman, who succeeded Tony Mowbray as manager on an interim basis in March 2010, has been rewarded for improving the Parkhead side in his first full season in charge.
Celtic finished second to Rangers in the Clydesdale Bank Premier League last season but beat Motherwell in the final of the Scottish Cup. Lennon's side also lost to the Ibrox men in the final of the Co-operative Insurance Cup.
The former Celtic skipper continued: "I have been speaking to Peter (Lawwell, chief executive) over the past few weeks and we are both delighted to move forward together.
"We have sat down, looked at last season and now we look ahead.
"I know that Peter and the board's vision for the club is the same as mine. We are absolutely together on this, we want to bring success to the club and reward the commitment which our supporters continue to make.
"We want to provide our fans with entertaining, attacking and professional football but ultimately we aim to deliver silverware. Work begins now on striving to bring domestic trophies to Celtic Park and on having some success in Europe.
"We have already begun looking at the squad for next season. Whoever comes into the squad I know they will be joining some very talented players here who share my appetite for success."
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