Nancy's official website has confirmed the Mali international midfielder will ply his trade at San Siro next season in Serie A and the Champions League with the Rossoneri
The Mali international penned a three-year contract with the Rossoneri, who will secure the player on a free transfer when his contract expires in June.
Traore had already announced the move on Tuesday, speaking of his delight to have signed for the Serie A side.
|SIGNING OFF IN STYLE?
|11/2||AC Milan are 11/2 with Sportingbet to beat Novara 2-0 on Sunday.|
The 27-year-old, who had also been linked with Newcastle and Olympique de Marseille, reached an agreement with Milan in mid-April, but waited for the club to secure their Ligue 1 status before announcing the switch.
Traore has been at Nancy since 2009, when he joined the club from Ligue 2 outfit Amiens.
How do you stay up to date with football when on the move? With http://m.goal.com – your best source for mobile coverage of the beautiful game.