In December 1992, MOSOP issued an ultimatum to Shell, Chevron and the Nigerian National Petroleum Corporation, calling for $6 billion in rent and royalties and $4 billion in compensation for environmental devastation—and all within 30 days or it would be assumed that they intended to quit Ogoniland.
In December 1992, MOSOP issued a demand to Shell, Chevron, and the Nigerian National Petroleum Corporation, demanding $6 billion in rent and royalties and $4 billion in compensation for environmental damage—all within 30 days or they would be considered to have abandoned Ogoniland.