Arsenal boss Mikel Arteta is delighted with Reiss Nelson's new contract.
The winger penned terms on Thursday to 2027, with the option of another year.
"Reiss is a player I have admired since the first day I was here," said Arteta. "He has tremendous ability and is such an exciting offensive talent.
"Reiss knows how important he is to our squad with the quality he has.
"It's great that Reiss has committed his future to us - he knows this club so well, he grew up here and we look forward to enjoying many more good moments with him."