The centre back
joined Newcastle in 2014 and has become a mainstay in the side under
manager Rafa Benitez in the last two campaigns, helping the team earn
promotion in 2017 before guiding them to a 10th-placed finish last
His impressive performances led to media reports linking him with a move away from the club.
"I'm over the moon – it's great news to be tied down to Newcastle for a
long time. It's pretty much all I ever wanted: playing in the Premier
League in front of amazing fans," the 24-year-old Lascelles told NUFC
Lascelles, who has made 112 appearances for Newcastle and
has scored eight goals, said his focus was now on helping the team climb
out of the relegation zone.
Newcastle are second from bottom in the standings after 10 games and are yet to win a match.
"We need to give the fans what they deserve. We need to put in the
performances and make it more special... since I've been here,
everything's been positive and now I need to get my head down and get
this team higher up the league," Lascelles added.
Newcastle take on Watford in the league on Saturday.