 After establishing himself with the Islanders, Parenteau was quickly signed to a one-year extension on February 17, 2011.At the end of his first full season in the NHL, he scored 20 goals and 53 points, finishing the season second in scoring for the Islanders.With the ambition to build upon his break-out season, Parenteau followed up his success in the 2011–12 season, producing 49 assists and 67 points to finish third amongst the Islanders in scoring.