Senator Rochas Okorocha on Tuesday evening attended the All Progressives Congress (APC) presidential screening in Abuja.
The APC presidential aspirant and two-term Imo state governor attended the screening moments after his release by the EFCC.
There were fears that Mr Okorocha would miss the two-day exercise after his dramatic arrest and detention by the EFCC last week Tuesday.
The former governor is being tried on a 17-count charge to the tune of N2.9 billion filed against him by the anti-graft agency.
On Tuesday, a Federal High Court in Abuja granted him bail on Tuesday morning in the sum of N500 million and a surety in like sum.
Mr Okorocha has pleaded not guilty to the charges.