AMBC - Ambac Financial Group Inc. 2021 Q1 - Results - Earnings Call Presentation May, 10 2021 04:08 PM Ambac Financial Group Inc. The following slide deck was published by Ambac Financial Group, Inc. in conjunction with their 2021 Q1 earnings call. For further details see: Ambac Financial Group, Inc. 2021 Q1 - Results - Earnings Call Presentation