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Schedule IV - Reinsurance (Debtor-In-Possession)

12 Months Ended

Dec. 31, 2011

Schedule IV - Reinsurance [Abstract]

Schedule IV - Reinsurance

AMBAC FINANCIAL GROUP, INC. AND SUBSIDIARIES

DEBTOR-IN-POSSESSION

SCHEDULE IV - REINSURANCE

December 31, 2011 and 2010

(Dollar Amounts in Thousands)

Insurance Premiums Written		Gross Amount				Ceded to  Other Companies				Assumed from Other Companies				Net Amount				Percentage of Amount Assumed to Net
Year ended December 31, 2010		($	476,270	)		$	110,363			$	178			($	365,729	)			n.m.
Year ended December 31, 2011		($	171,283	)		$	20,835			($	7,670	)		($	158,118	)			n.m.

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- Definition

The entire disclosure for the supplemental schedule of reinsurance information required to be filed for each period for which an audited income statement is presented. Reinsurance schedule includes the type of insurance, gross amount of premiums, premiums ceded to other companies, premiums assumed from other companies, net amount of premium revenue, and the percentage of the premiums assumed to net premium revenue.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

-SubTopic 10

-Section S99

-Paragraph 3

-Subparagraph (SX 210.7-05.(c) Schedule IV)

-URI http://asc.fasb.org/extlink&oid=6879921&loc=d3e569147-122900



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 17

-Article 12



Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 05

-Article 7



Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

-SubTopic 235

-Section S99

-Paragraph 2

-Subparagraph (SX 210.12-17)

-URI http://asc.fasb.org/extlink&oid=6588446&loc=d3e574992-122915

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