This is reported by the club’s press service.
The duration of the contract with the 24-year-old footballer is still unknown.
Angban had 26 matches last season in Ligue 1 and scored an assist.
He is also a player of the Ivory Coast national team, for which he had 13 official meetings.
Earlier, Sochi extended contracts with Noboa, Dzhanaev and four more players.