Fitch Affirms 2 and Downgrades 4 Classes from 2 AMSI Subprime Transactions

NEW YORK--(Business Wire)--
Fitch Ratings has taken the following rating actions on two
Ameriquest Mortgage Securities Inc. (AMSI) mortgage pass-through
certificate transactions. Unless stated otherwise, any bonds that were
previously placed on Rating Watch Negative are removed.

Series 2002-3

--Class M-2 affirmed at 'AA+';

--Class M-3 affirmed at 'BBB';

--Class M-4 remains at 'C/DR3'.

Deal Summary

--Originators: 100% Ameriquest Mortgage Company

--60+ day Delinquency: 23.74%

--Realized Losses to date (% of Original Balance): 3.01%

Series 2002-AR1

--Class M-1 downgraded to 'A' from 'AA' and placed on 'Rating
Watch Negative';

--Class M-2 downgraded to 'B' from 'A';

--Class M-3 downgraded to 'CC/DR4' from 'B';

--Class M-4 downgraded to 'C/DR6' from 'B';

Deal Summary

--Originators: 100% Ameriquest Mortgage Company

--60+ day Delinquency: 24.02%

--Realized Losses to date (% of Original Balance): 1.90%

Additional details are available in the following research,
available at www.fitchratings.com:

--'Downgrade Criteria for Recent Vintage U.S. Subprime RMBS' (Aug.
8, 2007);

All of Fitch's ratings criteria for US subprime RMBS available at
www.fitchratings.com/subprime. For a list of deals currently under
analysis please visit www.fitchratings.com/smartview.

Further information regarding current delinquency, loss, and
credit enhancement statistics is also available at
www.fitchratings.com.

Fitch's rating definitions and the terms of use of such ratings
are available on the agency's public site, www.fitchratings.com.
Published ratings, criteria and methodologies are available from this
site, at all times. Fitch's code of conduct, confidentiality,
conflicts of interest, affiliate firewall, compliance and other
relevant policies and procedures are also available from the 'Code of
Conduct' section of this site

Fitch Ratings, New York
Tara Sweeney, +1-212-908-0347
Michele Patterson, +1-212-908-0779
Sandro Scenga, +1-212-908-0278 (Media Relations)

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