An official of the National Emergency Management Agency (NEMA), confirmed the development, and said rescue workers recovered Osibona’s body on Thursday evening.
There is still no official figure of how many people were in the building when the structure caved in.
Meanwhile, as of Thursday afternoon, NEMA had recovered 38 bodies.
Also believed to be trapped under the debris are Wale Bob-Oseni, a US-bound real estate dealer and executive director of African Bureau for Legislative Empowerment; Onyinye Enekwe, personal assistant to Osibona who got employed last week; Zainab Sanni, a 25-year-old female National Youth Service Corps (NYSC) member; and Emmanuel Abel, a 16-year-old boy who had travelled from Abuja to work at the site.