AmeriCredit Announces $1.35 Billion Asset-Backed Securitization.

FORT WORTH, Texas -- AmeriCredit Corp. (NYSE:ACF) announced the pricing of a $1.35 billion offering of automobile receivables-backed securities through lead managers Barclays Capital and Lehman Brothers. Co-managers are Credit Suisse First Boston, Deutsche Bank Securities, JPMorgan and Wachovia Securities. AmeriCredit uses net proceeds from securitization transactions to provide long-term financing of its receivables.

The securities will be issued via an owner trust, AmeriCredit Automobile Receivables Trust 2005-B-M, in four classes of Notes:

Note Class        Amount      Average Life     Price      Interest
                                                              Rate
------------- ---------------- ------------- ------------ ------------
     A-1         $239,000,000    0.27 years    100.00000        3.301%
     A-2         $375,000,000    0.90 years     99.99549         3.78%
     A-3         $430,000,000    2.10 years     99.99267         4.05%
     A-4                         3.44 years                   Libor +
                 $306,000,000                  100.00000         0.08%
              ----------------
               $1,350,000,000
              ================

The weighted average coupon is 4.1%.

The Note Classes are rated by Standard & Poor's, Moody's Investors Service and Fitch Inc. The ratings by Note Class are:

Note Class      Standard & Poor's       Moody's          Fitch
----------------- ------------------- ----------------- --------------
       A-1               A-1+              Prime-1           F1+
       A-2                AAA                Aaa             AAA
       A-3                AAA                Aaa             AAA
       A-4                AAA                Aaa             AAA

MBIA Insurance Corporation will provide bond insurance for this transaction. Initial credit enhancement will total 9.5% of the original receivable pool balance building to the total required enhancement level of 17.0% of the then outstanding receivable pool balance. The initial 9.5% enhancement will consist of 2.0% cash and 7.5% overcollateralization.

This transaction represents AmeriCredit's 49th securitization of automobile receivables in which a total of more than $38 billion of automobile receivables-backed securities has been issued.

Copies of the prospectus relating to this offering of receivables-backed securities may be obtained from the lead managers and co-managers. This press release shall not constitute an offer to sell or the solicitation of an offer to buy the securities described in this press release, nor shall there be any sale of these securities in any State in which such offer, solicitation or sale would be unlawful prior to the registration or qualification under the securities laws of any such State.

AmeriCredit Corp. is a leading independent auto finance company. Using its branch network and strategic alliances with auto groups and banks, the Company purchases retail installment contracts entered into by auto dealers with consumers who are typically unable to obtain financing from traditional sources. AmeriCredit has approximately one million customers and $11 billion in managed auto receivables. The Company was founded in 1992 and is headquartered in Fort Worth, Texas. For more information, visit www.americredit.com.