In 1989, the tanker Exxon Valdez spilled over 11 million gallons of crude oil on the Alaska coast, causing an estimated $15 billion in damages. The 1991 settlement following the guilty plea by Exxon Corporation (now ExxonMobil ) provided for $900 million in payments, a $25 million criminal fine and $100 million in restitution. The plea agreement also called for added payment of up to $100 million for unanticipated damages unknown at the time of the settlement. On August 31, 2006, the federal and state governments jointly submitted a demand for ExxonMobil to pay $92 million, together with a restoration plan.