"Treasury chose to offer 'one size fits all' pricing in order to encourage all institutions to participate, and in so doing disregarded apparent differences in their financial condition," the report states. "A consequence is that Treasury effectively offered weaker participants greater subsidies than it offered to stronger participants."
Reacting to the panel's conclusions, Treasury spokesman Isaac Baker said in a statement: "Treasury's efforts since the fall prevented a systemwide collapse, but more needs to be done to stabilize the financial sector, increase lending and protect taxpayer dollars."
He said the plan that Geithner will announce on Monday aims to free up credit, "while strengthening transparency and accountability measures so that taxpayers know where and how their money is being spent and whether it's achieving real results."
Senate Banking Chairman Chris Dodd, D-Conn., said the overpayment is sure to "raise eyebrows."
"I can understand some gap," he said. "No one is expecting perfection between the price you pay and what you think you're getting. But that's a pretty large disparity."