Arsenal manager Mikel Arteta said the club have a “plan for the future” with discussions over new contracts for key players being discussed.
Defender William Saliba, winger Bukayo Saka and forward Gabriel Martinelli are all 21 and have two years remaining on their current contracts.
They have featured regularly for Arsenal this season and Arteta said the club will look to “reward” key players.
“We have to plan for the future and we are all working on it,” he said.
Arteta added: “We will try to do things in the right way, being fair and trying to plan the best possible way and reward the players that in our opinion have a big future for the club.
“At the moment we have something to announce, we will do that.
“We will try to make sure that the club is always protected, that the club is always in a good position to move forward and the players are happy to be at the club.”
Arsenal are currently top of the Premier League table with 21 points from eight matches.