Exxon Mobil gave Over 1 trillion Naira to the Nigerian Government between 2010 - 2014?

I was logging into my email when i saw this Advert. According to Exxon Mobil they gave over 1 trillion Naira to the Nigerian government between 2010 to 2014. Incase you are wondering, 1 Trillion Naira is 1,000 x 1 Billion Naira. I will let you ponder on the rest..