Confirmation of Back-to-Back Swap Sample Contracts

February 1, 2008

Confirmation of Back-to-Back Swap • February 7th, 2008 • Capital Auto Receivables Asset Trust 2008-1 • Asset-backed securities

• Contract Type
  Confirmation of Back-to-Back Swap
• Filed
  February 7th, 2008
• Company
  Capital Auto Receivables Asset Trust 2008-1
• Industry
  Asset-backed securities

The purpose of this letter agreement is to confirm the terms and conditions of the Swap Transaction (the “Back-to-Back Swap”) entered into between Goldman Sachs Capital Markets, L.P. (the “Counterparty”) and GMAC LLC (“GMAC”) on the Trade Date listed below (the “Transaction”). This letter constitutes a “Confirmation” as referred to in the Back-to-Back ISDA Agreement specified below.