Others are former Kano State Governor, Senator Rabiu Musa Kwankwaso; former Jigawa State Governor, Alhaji Sule Lamido; Gombe State Governor, Alhaji Ibrahim Dankwambo and former Minister of Special Duties, Kabiru Turaki.
Concise News had reported earlier that the former Vice President emerged victor of the party's presidential primary with 1,532 votes while his closest contender, Aminu Tambuwal, polled 693 votes.
Coming a distant third was the President of the Senate, Dr. Abubakar Bukola Saraki.
The party must elect a candidate that can effective combine our strength to win the 2019 election, " he said.
"All the doubting Thomases that thought we would all walk out after the results have been announced, we are not going anywhere but walking with Atiku to victory". That is to say, we will all work for the development of the country.
Petrol price cut: Jaitley questions Rahul Gandhi's commitment, allies
The move by the central and state governments will cost the exchequer a significant amount but will provide relief for consumers. Jaitley said he on Wednesday met Oil Minister Dharmendra Pradhan and inter-ministerial consultations continued on Thursday.
"The fact that nobody came forward to challenge the president is an indication that the party members are satisfied with his performance and they want to see more of him in office", presidential spokesman Garba Shehu told AFP.
Political parties had until Sunday to select their candidates.
The handling of the economy has already emerged as a major issue at the start of the election cycle in Africa's top oil producer, which also plays a key role in regional wars against Islamist insurgents.
The former Vice President and Presidential Aspirant, Atiku Abubakar, has emerged as the flag bearer of the Peoples Democratic Party (PDP).
But next year's presidential race appears to have tightened in recent months with the APC hit by a wave of defections over Buhari's leadership style.