Edinburgh head coach Alan Solomons has hailed Matt Scott as an "exceptional athlete" after persuading the centre to sign on again until the summer of 2016.
The 23 year-old Scotland international joined the club's elite development programme in the summer of 2011 and has quickly established himself as one of the Murrayfield outfit's top performers.
He is the latest member of the capital squad to pen new deals after David Denton, Alasdair Dickinson and Greig Tonks also all extended their contracts.
And Solomons expressed his delight in securing the services of one the most highly-rated talents in the Scottish game.
"This is incredibly good news for us", said the South African. "Matt is an outstanding young talent who has now established himself at international level.
"It's great to have a Scottish player of that calibre commit himself to the future of this club. Matt is an exceptional athlete. He is a physical and powerful player who runs good lines and presents a real threat to the opposition.
"The time is probably right for him to play a greater role in the broad leadership group within the club and I think he will have much to offer in that regard, particularly for young aspiring Scottish players."
Scott won his first cap for the Dark Blues in the 2012 RBS 6 Nations against Ireland in Dublin and will earn his 20th cap against France on Saturday.
He said: "I'm delighted to commit my future to Edinburgh at a key time in my career, and at a club where a number of other senior Scotland internationalists have also signed on.
"I've made life-long friends at the club over the past few years and it's good that we're keeping a good core of guys that know how much it means to play for Edinburgh.
"That was key for me and I'm happy to be one of those guys and be part of building the club going forward."