Dorgan's call came after the oil company revealed that the value of shares held by Raymond, as well as pension payments, 2005 salary and other benefits, could be worth up to $400 million.
The North Dakota Democrat hit out at ExxonMobil over what he termed a "shameful display of greed" in the package one of the richest in US corporate history which was made public this week in a regulatory filing.
Dorgan
