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Issuer Ratings.

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Ambac Assurance Corporation
Moody's Org ID:600010209
Market Segment:Insurance
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Research Ratings Family Tree Market Signals

Issuer Research Industry Research Family Tree Research Methodology
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19 Mar 2012 Sector Comment MIS
07 Apr 2011 Rating Action MIS
23 Feb 2011 Issuer Comment MIS
03 Dec 2010 Credit Opinion MIS
23 Nov 2010 Announcement MIS
25 Oct 2010 Issuer Comment MIS
18 Oct 2010 Issuer Comment MIS
14 Jun 2010 Issuer Comment MIS
06 May 2010 Analysis MIS
26 Mar 2010 Rating Action MIS
23 Feb 2010 Announcement MIS
24 Nov 2009 Issuer Comment MIS
29 Jul 2009 Rating Action MIS
14 Jul 2009 Announcement MIS
13 Apr 2009 Rating Action MIS
31 Mar 2009 Analysis MIS
03 Mar 2009 Rating Action MIS
17 Nov 2008 Rating Action MIS
05 Nov 2008 Rating Action MIS
18 Sep 2008 Rating Action MIS
05 Aug 2008 Announcement MIS
19 Jun 2008 Rating Action MIS
04 Jun 2008 Rating Action MIS
13 May 2008 Announcement MIS
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12 Mar 2008 Rating Action MIS
05 Mar 2008 Announcement MIS
29 Feb 2008 Announcement MIS
16 Jan 2008 Rating Action MIS
18 Dec 2007 Rating Action MIS
14 Dec 2007 Announcement MIS
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25 Sep 2007 Announcement MIS
07 Feb 2007 Rating Action MIS
09 Aug 2006 Announcement MIS
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09 May 2006 Rating Action MIS
17 Feb 2006 Rating Action MIS
26 Oct 2005 Announcement MIS
12 Sep 2005 Announcement MIS
08 Mar 2005 Rating Action MIS
31 Aug 2004 Analysis MIS
22 Apr 2004 Issuer Comment MIS
29 Jan 2004 Rating Action MIS
07 Nov 2003 Rating Action MIS
16 Oct 2003 Rating Action MIS
29 Aug 2003 Analysis MIS
18 Jul 2003 Rating Action MIS
14 May 2003 Rating Action MIS
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6The rating history for this credit rating accurately reflects the current status of the (sf) indicator but, due to technical limitations, does not accurately reflect the (sf) indicator history. Please visit the Research tab to view the press release(s) announcing when the (sf) indicator was added or removed.

For credit ratings that are derived exclusively from an existing credit rating of a program, series, category/class of debt, support provider or primary rated entity, or that replace a previously assigned provisional rating at the same rating level, Moody’s publishes a rating announcement on that series, category/class of debt or program as a whole, on the support provider or primary rated entity, or on the provisional rating, but often does not publish a specific rating announcement on each subsequent bond or note for which the credit rating is derived from the existing credit rating. Rating announcements are usually press releases classified as Rating Actions on Please refer to the Research tab on the issuer/entity page for the rating announcement.