Contact Person : Samantha Boustred ; Last Date for the submission of abstract : 04/06/2018; The Africa Assembly is the largest African Oil and Gas, Finance and Investment Event. Hosted by the Oil and Gas Council, this prestigious event is attended by over 800 C-Level executives each year. Time: 8:00 am to 5:00 pm. Prices: GBP 1795.0 to GBP 2395.0.