Surrey youngsters Jason Roy and Matthew Dunn have signed new two-year deals with the county.
Hard-hitting batsman Roy, 20, became the first Surrey player to score a T20 century last season when he hit 101 off 57 balls against Kent at Beckenham.
Paceman Dunn, 18, also made his first-class debut in 2010 and both are graduates of the Surrey academy system.
"I'm delighted that we have signed two of Surrey's foremost emerging talents and two players who I am certain have the ability to go all the way," Chris Adams, Surrey's professional cricket manager, told the county's official website.
"In Jason we have one of the most destructive county batsmen playing today and in Matt - an emerging fast bowler with the ability to bowl 90 mph and over."
Roy was delighted to have secured his future at the Oval.
"Having been involved with Surrey for many years, this is a dream come true for me," he told Surrey TV.
"Getting some real first-team experience last year was very exciting but I need to start scoring more consistently.
"Now I have the next two years to look forward to I am confident I can do that and really show the fans what it means to me to play for this club."
Dunn, who has represented England at Under 15 and 19 levels, is hoping to become a first-team regular next season.
"This contract is what I've been working for since I started playing for Surrey in the U15s," he said.
"I am really looking forward to buckling down and trying to establish myself in the Surrey side in all forms of the game."