AMBAC FINANCIAL GROUP INC — Director's Dealing 2018

May 1, 2018

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: AMBAC FINANCIAL GROUP INC (AMBC)
CIK: 0000874501
Period of Report: 2018-04-30

Reporting Person: Greene Alexander David (Director)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2018-04-30	Restricted Stock Units	$	A	11744	Acquired		Common Stock (11744.0)	Direct

Footnotes

F1: Each restricted stock unit ("RSU") represents a contingent right to receive one share of the common stock of Ambac Financial Group, Inc. (the "Company").

F2: RSU's granted on April 30, 2018 shall vest one year later on April 30, 2019. RSUs that have become vested shall settle and convert into shares of common stock upon the date that the reporting person resigns from, or otherwise ceases to be a member of, the Board of Directors of the Company.