If you thought the first edition of the Oleum Scratch & Win promo was generous, the second edition offers even more. NNPC Retail has officially kicked off the NNPC Oleum Scratch & Win Promo 2.0, with bigger rewards and more winnings up for grabs for many more loyal customers! After a successful first edition that […] NNPC’s Oleum Scratch & Win Promo is back: Nigerians can win up to ₦100 million