Spearing yesterday put pen to paper on a contract extension and afterwards told liverpoolfc.tv that he was "buzzing" over his new deal.
"I am buzzing to be honest. I'm pleased to have finally put pen to paper and got everything sorted," the midfielder told the club's official website.
"I've been here for a long time and playing for Liverpool is all I have ever wanted to do, so hopefully I can keep going now.
"It has been a long time coming. I've been in the background and in and around the first team and maybe not had a run in the team, but now I'm getting that run I've been able to show my desire and commitment to the club.
"I owe a lot to the boss and hopefully I am repaying him with the games I am playing. He put me into the derby straightaway and that gave me a lot of confidence. Any player who has the belief of the manager always wants to go on and show what he can do.
"With the new boss coming in and the way we have been playing and with me getting some game time, it has been a good couple of months and this has topped it off for me."