AIG, the insurer being pressured by billionaire investor Carl Icahn to split up, agreed to nominate one of the activists allies to the board of directors along with hedge fund manager John Paulson.
The settlements were the latest in a series of resolutions since the 2010 sinking of the Deepwater Horizon in the Gulf of Mexico, spilling millions of gallons of oil.
BP was barred by a U.S. judge from recovering hundreds of millions of dollars it claims to have overpaid some victims for economic losses from the 2010 Gulf of Mexico oil spill.
BP Plc, which has paid more than $28 billion for the 2010 Gulf of Mexico oil spill, seeks to get $750 million of that back by convincing a Texas court that a missing comma allows the energy company access to Transocean Ltd.s insurance policies on the doomed Deepwater Horizon rig.
Some Lloyds of London underwriters and Arch Insurance Company are asking a federal court to require BP and Transocean to settle their dispute over claims submitted to the insurers.