Niboro, who defected to the APC in December 2016, clinched the party’s ticket at a primary conducted by the Chief Cyril Ogodo-led State Working Committee at Otu-Jeremi in Ughelli South.
He defeated four other aspirants to win the APC ticket during the election.
The Returning Officer, Chris Onojiacha, who announced the results said the former President Goodluck Jonathan spokesman polled 438 votes to defeat four others.
Onojiacha declared that Dr. Rukevwe Ugwumba scored seven votes, Rev. Francis Ejiroghene Waive got four votes, while Chief Andrew Orugbo polled 10 votes and Akpovoka Efeni had none.