The duo’s new deal is set to keep them at the Bluecerchiati until the summer of 2015.
Obiang made his Serie A debut against Juventus on Sunday.
“Other than the debut, Obiang celebrated with a great performance and signing a five-year contract prior to the match,” Gasparin stated post-match.
“Like him, Marilungo also signed on for five years.
“Both players provide a testimony that the club is focused on youth, and is paying them attention.”