Fitch Takes Rating Actions on 2 IndyMac HE Loan Trust Transactions

Series SPMD 2000-A Group 1:

--Class AF-3 affirmed at 'AAA';

--Class R affirmed at 'AAA';

--Class MF-1 affirmed at 'BBB-';

--Class MF-2 remains at 'CC/DR2';

--Class BF remains at 'C/DR5'.

Series SPMD 2000-A Group 2:

--Class AV-1 affirmed at 'AAA';

--Class MV-1 affirmed at 'AA';

--Class MV-2 downgraded to 'BBB+' from 'A+';

--Class BV downgraded to 'BB' from 'BBB'.

Series SPMD 2001-B Groups 1 & 2:

--Class R affirmed at 'AAA';

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

--Class MF-2 downgraded to 'BB' from 'BBB-';

--Class BF remains at 'CC/DR3'.

The affirmations reflect satisfactory credit enhancement (CE) relationships to future loss expectations and affect approximately $11.3 million in outstanding certificates, as of the Oct. 25, 2007 distribution date. The downgrades are due to deterioration in the relationship between CE and expected losses and affect approximately $14.8 million in outstanding certificates. This number includes $11.7 million of certificates that have also been placed on Rating Watch Negative.

The mortgage loans in these transactions were originated or acquired by IndyMac Bank, FSB which is also the master servicer for these loans. The collateral in the above transactions consists of fixed-rate and adjustable-rate subprime loans secured by first or second liens on one- to four-family residential properties

These transactions are seasoned 90 months and 76 months, respectively. The pool factors (i.e., current mortgage loans outstanding as a percentage of the initial pool) range from 4% to 6%. The cumulative losses, as a percentage of the original collateral balances, range from 2.73% to 4.79%.

As of the October 25, 2007 distribution date, the overcollateralization (OC) for series 2000-A Group 1 was zero versus a target of $600,970. The 60+ delinquencies are 11.93% of current collateral balance. This includes foreclosures and real estate owned (REO) of 4.78% and 2.87%, respectively. The OC for Group 2 was $752,281 versus a target of $774,030. The 60+ delinquencies are 41.05% of current collateral balance. This includes foreclosures and real estate owned (REO) of 29.57% and 7.28%, respectively.

The OC for series 2001-B was $31,706 versus a target of $1,750,000. The 60+ delinquencies are 51.99% of current collateral balance. This includes foreclosures and REO of 20.03% and 9.91%, respectively.

Fitch's Distressed Recovery (DR) ratings, introduced in April 2006 across all sectors of structured finance, are designed to estimate recoveries on a forward-looking basis while taking into account the time value of money. For more information on Distressed Recovery ratings, see the full report ('Structured Finance Distressed Recovery Ratings'), which is available on the Fitch Ratings web site at .

Further information regarding delinquencies, losses and credit enhancement is available on the Fitch ratings web site at .

Fitch's rating definitions and the terms of use of such ratings are available on the agency's public site, . 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.