Pearce, son of former Blues and Australia great Wayne Pearce, has agreed terms that will see him remain with the Bondi Junction club until the end of 2017.
The 23-year-old has made 130 appearances for the Tricolours since making his debut as a teenager in 2007 and despite showing glimpses of form, he has largely failed to ignite the Roosters backline during the last two seasons.
But Pearce, who has made 9 Origin appearances, wants to make an impression in 2013.
“It’s an honour that I don’t take lightly to represent the Roosters. I couldn’t see myself playing anywhere else and I’m really happy to be contracted here long term,” said Pearce.
“There’s a fantastic team here at the club on and off the field and I’m so proud that I’ll continue to be a part of all this for the next four years.”
Roosters Head Coach, Trent Robinson, added: “Mitchell is a big part of the future of our club. He is a significant member of our leadership group and a genuine person not only I but everyone at the club values both on and off the footy field as well.”