OSG

SEC source: 0000874501-19-000039 · wf-form4_155183858588179.xml · nonDerivative · entry 2

Smith R Sharon · CIK 0001707461 · Senior Managing Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,497

F2 · shares: Represents the aggregate amount of DSUs and restricted stock units ("RSUs") that were converted into shares of common stock and withheld by the Company to satisfy certain tax withholding obligations.

SEC source: 0000874501-19-000039 · wf-form4_155183858588179.xml · nonDerivative · entry 1

Smith R Sharon · CIK 0001707461 · Senior Managing Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,943

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · shares: Represents the aggregate amount of deferred share units ("DSUs") that were converted into shares of common stock of Ambac Financial Group, Inc. (the "Company") upon settlement of a portion of the reporting person's 2017 and 2018 Short Term Incentive Plan award and a limited number of DSUs awarded pursuant to the 2019 Short Term Incentive Plan that were settled in order to satisfy certain tax withholding obligations imposed upon the Company.

SEC source: 0000874501-19-000037 · wf-form4_155183796363538.xml · derivative · entry 7

REILLY MICHAEL FRANCIS · CIK 0001562285 · Senior Managing Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,798

Underlying: Common Stock · 5,744 shares

Expires not disclosed

F5 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of common stock of the Company.

F7 · derivative.exercise_date: On March 4, 2019 the reporting person received a grant of 5,744 restricted stock units ("RSUs") as part of their 2019 Long Term Incentive Plan award. The RSUs will vest in three equal annual installments commencing January 2, 2020, January 2, 2021, and January 2, 2022.

F7 · derivative.expiration_date: On March 4, 2019 the reporting person received a grant of 5,744 restricted stock units ("RSUs") as part of their 2019 Long Term Incentive Plan award. The RSUs will vest in three equal annual installments commencing January 2, 2020, January 2, 2021, and January 2, 2022.

SEC source: 0000874501-19-000037 · wf-form4_155183796363538.xml · derivative · entry 6

REILLY MICHAEL FRANCIS · CIK 0001562285 · Senior Managing Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,541

Underlying: Common Stock · 3,568 shares

Expires not disclosed

F4 · derivative.exercise_price: Each DSU represents a contingent right to receive one share of the Company's common stock.

F6 · derivative.exercise_date: On March 4, 2019, there were 3,568 DSUs granted as part of the 2019 Short Term Incentive Plan. DSUs shall vest immediately and shall settle and convert into shares of common stock as follows: 50% of the DSUs shall settle and convert into shares of common stock on March 4, 2020, and the remaining 50% of the DSUs shall settle and convert into shares of common stock on March 4, 2021; provided however, that if the reporting person's employment with the Company is terminated for any reason, all of the DSUs will settle and convert into shares of common stock immediately. Notwithstanding the foregoing, a number of vested DSUs sufficient to satisfy certain tax withholding obligations imposed upon the Company may be converted into shares of common stock and withheld by the Company to satisfy such tax withholding obligations

F6 · derivative.expiration_date: On March 4, 2019, there were 3,568 DSUs granted as part of the 2019 Short Term Incentive Plan. DSUs shall vest immediately and shall settle and convert into shares of common stock as follows: 50% of the DSUs shall settle and convert into shares of common stock on March 4, 2020, and the remaining 50% of the DSUs shall settle and convert into shares of common stock on March 4, 2021; provided however, that if the reporting person's employment with the Company is terminated for any reason, all of the DSUs will settle and convert into shares of common stock immediately. Notwithstanding the foregoing, a number of vested DSUs sufficient to satisfy certain tax withholding obligations imposed upon the Company may be converted into shares of common stock and withheld by the Company to satisfy such tax withholding obligations

SEC source: 0000874501-19-000037 · wf-form4_155183796363538.xml · derivative · entry 5

REILLY MICHAEL FRANCIS · CIK 0001562285 · Senior Managing Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,054

Underlying: Common Stock · 2,025 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F5 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of common stock of the Company.

F3 · derivative.exercise_date: On March 4, 2019, there were 2,025 restricted stock units ("RSUs") that settled, and were converted into shares of common stock of the Company.

F3 · derivative.expiration_date: On March 4, 2019, there were 2,025 restricted stock units ("RSUs") that settled, and were converted into shares of common stock of the Company.

SEC source: 0000874501-19-000037 · wf-form4_155183796363538.xml · derivative · entry 4

REILLY MICHAEL FRANCIS · CIK 0001562285 · Senior Managing Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,973

Underlying: Common Stock · 3,422 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F4 · derivative.exercise_price: Each DSU represents a contingent right to receive one share of the Company's common stock.

F1 · derivative.exercise_date: Represents the aggregate amount of deferred share units ("DSUs") that were converted into shares of common stock of Ambac Financial Group, Inc. (the "Company") upon settlement of a portion of the reporting person's 2017 and 2018 Short Term Incentive Plan award and a limited number of DSUs awarded pursuant to the 2019 Short Term Incentive Plan that were settled in order to satisfy certain tax withholding obligations imposed upon the Company

F1 · derivative.expiration_date: Represents the aggregate amount of deferred share units ("DSUs") that were converted into shares of common stock of Ambac Financial Group, Inc. (the "Company") upon settlement of a portion of the reporting person's 2017 and 2018 Short Term Incentive Plan award and a limited number of DSUs awarded pursuant to the 2019 Short Term Incentive Plan that were settled in order to satisfy certain tax withholding obligations imposed upon the Company

SEC source: 0000874501-19-000037 · wf-form4_155183796363538.xml · nonDerivative · entry 3

REILLY MICHAEL FRANCIS · CIK 0001562285 · Senior Managing Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,623

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · shares: On March 4, 2019, there were 2,025 restricted stock units ("RSUs") that settled, and were converted into shares of common stock of the Company.

SEC source: 0000874501-19-000037 · wf-form4_155183796363538.xml · nonDerivative · entry 2

REILLY MICHAEL FRANCIS · CIK 0001562285 · Senior Managing Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,598

F2 · shares: Represents the aggregate amount of DSUs and RSUs that were converted into shares of common stock and withheld by the Company to satisfy certain tax withholding obligations.

SEC source: 0000874501-19-000037 · wf-form4_155183796363538.xml · nonDerivative · entry 1

REILLY MICHAEL FRANCIS · CIK 0001562285 · Senior Managing Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,403

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · shares: Represents the aggregate amount of deferred share units ("DSUs") that were converted into shares of common stock of Ambac Financial Group, Inc. (the "Company") upon settlement of a portion of the reporting person's 2017 and 2018 Short Term Incentive Plan award and a limited number of DSUs awarded pursuant to the 2019 Short Term Incentive Plan that were settled in order to satisfy certain tax withholding obligations imposed upon the Company

SEC source: 0000874501-19-000035 · wf-form4_155183742542486.xml · derivative · entry 7

Eisman Robert Bryan · CIK 0001477761 · Sr. MD & CAO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,199

Underlying: Common Stock · 4,513 shares

Expires not disclosed

F5 · security: Each RSU represents a contingent right to receive one share of the Company's common stock.

F5 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of the Company's common stock.

F7 · derivative.exercise_date: On March 4, 2019 the reporting person received a grant of 4,513 restricted stock units ("RSUs") as part of their 2019 Long Term Incentive Plan award. The RSUs will vest in three equal annual installments commencing January 2, 2020, January 2, 2021, and January 2, 2022.

F7 · derivative.expiration_date: On March 4, 2019 the reporting person received a grant of 4,513 restricted stock units ("RSUs") as part of their 2019 Long Term Incentive Plan award. The RSUs will vest in three equal annual installments commencing January 2, 2020, January 2, 2021, and January 2, 2022.

SEC source: 0000874501-19-000035 · wf-form4_155183742542486.xml · derivative · entry 6

Eisman Robert Bryan · CIK 0001477761 · Sr. MD & CAO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,959

Underlying: Common Stock · 3,755 shares

Expires not disclosed

F4 · security: Each DSU represents a contingent right to receive one share of the Company's common stock.

F4 · derivative.exercise_price: Each DSU represents a contingent right to receive one share of the Company's common stock.

F6 · derivative.exercise_date: On March 4, 2019, there were 3,755 DSUs granted as part of the 2019 Short Term Incentive Plan. DSUs shall vest immediately and shall settle and convert into shares of common stock as follows: 50% of the DSUs shall settle and convert into shares of common stock on March 4, 2020, and the remaining 50% of the DSUs shall settle and convert into shares of common stock on March 4, 2021; provided however, that if the reporting person's employment with the Company is terminated for any reason, all of the DSUs will settle and convert into shares of common stock immediately. Notwithstanding the foregoing, a number of vested DSUs sufficient to satisfy certain tax withholding obligations imposed upon the Company may be converted into shares of common stock and withheld by the Company to satisfy such tax withholding obligations.

F6 · derivative.expiration_date: On March 4, 2019, there were 3,755 DSUs granted as part of the 2019 Short Term Incentive Plan. DSUs shall vest immediately and shall settle and convert into shares of common stock as follows: 50% of the DSUs shall settle and convert into shares of common stock on March 4, 2020, and the remaining 50% of the DSUs shall settle and convert into shares of common stock on March 4, 2021; provided however, that if the reporting person's employment with the Company is terminated for any reason, all of the DSUs will settle and convert into shares of common stock immediately. Notwithstanding the foregoing, a number of vested DSUs sufficient to satisfy certain tax withholding obligations imposed upon the Company may be converted into shares of common stock and withheld by the Company to satisfy such tax withholding obligations.

SEC source: 0000874501-19-000035 · wf-form4_155183742542486.xml · derivative · entry 5

Eisman Robert Bryan · CIK 0001477761 · Sr. MD & CAO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,686

Underlying: Common Stock · 1,841 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F5 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of the Company's common stock.

F3 · derivative.exercise_date: On March 4, 2019, there were 1,841 restricted stock units ("RSUs") that settled, and were converted into shares of common stock of the Company.

F3 · derivative.expiration_date: On March 4, 2019, there were 1,841 restricted stock units ("RSUs") that settled, and were converted into shares of common stock of the Company.

SEC source: 0000874501-19-000035 · wf-form4_155183742542486.xml · derivative · entry 4

Eisman Robert Bryan · CIK 0001477761 · Sr. MD & CAO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,204

Underlying: Common Stock · 3,640 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F4 · security: Each DSU represents a contingent right to receive one share of the Company's common stock.

F4 · derivative.exercise_price: Each DSU represents a contingent right to receive one share of the Company's common stock.

F1 · derivative.exercise_date: Represents the aggregate amount of deferred share units ("DSUs") that were converted into shares of common stock of Ambac Financial Group, Inc. (the "Company") upon settlement of a portion of the reporting person's 2017 and 2018 Short Term Incentive Plan award and a limited number of DSUs awarded pursuant to the 2019 Short Term Incentive Plan that were settled in order to satisfy certain tax withholding obligations imposed upon the Company.

F1 · derivative.expiration_date: Represents the aggregate amount of deferred share units ("DSUs") that were converted into shares of common stock of Ambac Financial Group, Inc. (the "Company") upon settlement of a portion of the reporting person's 2017 and 2018 Short Term Incentive Plan award and a limited number of DSUs awarded pursuant to the 2019 Short Term Incentive Plan that were settled in order to satisfy certain tax withholding obligations imposed upon the Company.

SEC source: 0000874501-19-000035 · wf-form4_155183742542486.xml · nonDerivative · entry 3

Eisman Robert Bryan · CIK 0001477761 · Sr. MD & CAO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 19,477

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · shares: On March 4, 2019, there were 1,841 restricted stock units ("RSUs") that settled, and were converted into shares of common stock of the Company.

SEC source: 0000874501-19-000035 · wf-form4_155183742542486.xml · nonDerivative · entry 2

Eisman Robert Bryan · CIK 0001477761 · Sr. MD & CAO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,636

F2 · shares: Represents the aggregate amount of DSUs and RSUs that were converted into shares of common stock and withheld by the Company to satisfy certain tax withholding obligations.

SEC source: 0000874501-19-000035 · wf-form4_155183742542486.xml · nonDerivative · entry 1

Eisman Robert Bryan · CIK 0001477761 · Sr. MD & CAO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 19,499

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · shares: Represents the aggregate amount of deferred share units ("DSUs") that were converted into shares of common stock of Ambac Financial Group, Inc. (the "Company") upon settlement of a portion of the reporting person's 2017 and 2018 Short Term Incentive Plan award and a limited number of DSUs awarded pursuant to the 2019 Short Term Incentive Plan that were settled in order to satisfy certain tax withholding obligations imposed upon the Company.

SEC source: 0000874501-19-000033 · wf-form4_155183640860505.xml · derivative · entry 7

Ksenak Stephen Michael · CIK 0001527850 · Sr. MD & General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,357

Underlying: Common Stock · 6,564 shares

Expires not disclosed

F5 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of the Company's common stock.

F7 · derivative.exercise_date: On March 4, 2019 the reporting person received a grant of 6,564 restricted stock units ("RSUs") as part of their 2019 Long Term Incentive Plan award. The RSUs will vest in three equal annual installments commencing January 2, 2020, January 2, 2021, and January 2, 2022.

F7 · derivative.expiration_date: On March 4, 2019 the reporting person received a grant of 6,564 restricted stock units ("RSUs") as part of their 2019 Long Term Incentive Plan award. The RSUs will vest in three equal annual installments commencing January 2, 2020, January 2, 2021, and January 2, 2022.

SEC source: 0000874501-19-000033 · wf-form4_155183640860505.xml · derivative · entry 6

Ksenak Stephen Michael · CIK 0001527850 · Sr. MD & General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,047

Underlying: Common Stock · 4,948 shares

Expires not disclosed

F4 · security: Each DSU represents a contingent right to receive one share of the Company's common stock.

F4 · derivative.exercise_price: Each DSU represents a contingent right to receive one share of the Company's common stock.

F6 · derivative.exercise_date: On March 4, 2019, there were 4,948 DSUs granted as part of the 2019 Short Term Incentive Plan. DSUs shall vest immediately and shall settle and convert into shares of common stock as follows: 50% of the DSUs shall settle and convert into shares of common stock on March 4, 2020, and the remaining 50% of the DSUs shall settle and convert into shares of common stock on March 4, 2021; provided however, that if the reporting person's employment with the Company is terminated for any reason, all of the DSUs will settle and convert into shares of common stock immediately. Notwithstanding the foregoing, a number of vested DSUs sufficient to satisfy certain tax withholding obligations imposed upon the Company may be converted into shares of common stock and withheld by the Company to satisfy such tax withholding obligations.

F6 · derivative.expiration_date: On March 4, 2019, there were 4,948 DSUs granted as part of the 2019 Short Term Incentive Plan. DSUs shall vest immediately and shall settle and convert into shares of common stock as follows: 50% of the DSUs shall settle and convert into shares of common stock on March 4, 2020, and the remaining 50% of the DSUs shall settle and convert into shares of common stock on March 4, 2021; provided however, that if the reporting person's employment with the Company is terminated for any reason, all of the DSUs will settle and convert into shares of common stock immediately. Notwithstanding the foregoing, a number of vested DSUs sufficient to satisfy certain tax withholding obligations imposed upon the Company may be converted into shares of common stock and withheld by the Company to satisfy such tax withholding obligations.

SEC source: 0000874501-19-000033 · wf-form4_155183640860505.xml · derivative · entry 5

Ksenak Stephen Michael · CIK 0001527850 · Sr. MD & General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,793

Underlying: Common Stock · 2,394 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F5 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of the Company's common stock.

F3 · derivative.exercise_date: On March 4, 2019, there were 2,394 restricted stock units ("RSUs") that settled, and were converted into shares of common stock of the Company.

F3 · derivative.expiration_date: On March 4, 2019, there were 2,394 restricted stock units ("RSUs") that settled, and were converted into shares of common stock of the Company.

SEC source: 0000874501-19-000033 · wf-form4_155183640860505.xml · derivative · entry 4

Ksenak Stephen Michael · CIK 0001527850 · Sr. MD & General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,099

Underlying: Common Stock · 5,581 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F4 · security: Each DSU represents a contingent right to receive one share of the Company's common stock.

F4 · derivative.exercise_price: Each DSU represents a contingent right to receive one share of the Company's common stock.

F1 · derivative.exercise_date: Represents the aggregate amount of deferred share units ("DSUs") that were converted into shares of common stock of Ambac Financial Group, Inc. (the "Company") upon settlement of a portion of the reporting person's 2017 and 2018 Short Term Incentive Plan award and a limited number of DSUs awarded pursuant to the 2019 Short Term Incentive Plan that were settled in order to satisfy certain tax withholding obligations imposed upon the Company.

F1 · derivative.expiration_date: Represents the aggregate amount of deferred share units ("DSUs") that were converted into shares of common stock of Ambac Financial Group, Inc. (the "Company") upon settlement of a portion of the reporting person's 2017 and 2018 Short Term Incentive Plan award and a limited number of DSUs awarded pursuant to the 2019 Short Term Incentive Plan that were settled in order to satisfy certain tax withholding obligations imposed upon the Company.

SEC source: 0000874501-19-000033 · wf-form4_155183640860505.xml · nonDerivative · entry 3

Ksenak Stephen Michael · CIK 0001527850 · Sr. MD & General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 32,944

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · shares: On March 4, 2019, there were 2,394 restricted stock units ("RSUs") that settled, and were converted into shares of common stock of the Company.

SEC source: 0000874501-19-000033 · wf-form4_155183640860505.xml · nonDerivative · entry 2

Ksenak Stephen Michael · CIK 0001527850 · Sr. MD & General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 30,550

F2 · shares: Represents the aggregate amount of DSUs and RSUs that were converted into shares of common stock and withheld by the Company to satisfy certain tax withholding obligations.

SEC source: 0000874501-19-000033 · wf-form4_155183640860505.xml · nonDerivative · entry 1

Ksenak Stephen Michael · CIK 0001527850 · Sr. MD & General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 33,243

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · shares: Represents the aggregate amount of deferred share units ("DSUs") that were converted into shares of common stock of Ambac Financial Group, Inc. (the "Company") upon settlement of a portion of the reporting person's 2017 and 2018 Short Term Incentive Plan award and a limited number of DSUs awarded pursuant to the 2019 Short Term Incentive Plan that were settled in order to satisfy certain tax withholding obligations imposed upon the Company.

SEC source: 0000874501-19-000031 · wf-form4_155183561747950.xml · derivative · entry 7

BARRANCO DAVID · CIK 0001562313 · Senior Managing Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 19,718

Underlying: Common Stock · 7,795 shares

Expires not disclosed

F5 · security: Each RSU represents a contingent right to receive one share of common stock of the Company.

F5 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of common stock of the Company.

F7 · derivative.exercise_date: On March 4, 2019 the reporting person received a grant of 7,795 restricted stock units ("RSUs") as part of their 2019 Long Term Incentive Plan award. The RSUs will vest in three equal annual installments commencing January 2, 2020, January 2, 2021, and January 2, 2022.

F7 · derivative.expiration_date: On March 4, 2019 the reporting person received a grant of 7,795 restricted stock units ("RSUs") as part of their 2019 Long Term Incentive Plan award. The RSUs will vest in three equal annual installments commencing January 2, 2020, January 2, 2021, and January 2, 2022.

SEC source: 0000874501-19-000031 · wf-form4_155183561747950.xml · derivative · entry 6

BARRANCO DAVID · CIK 0001562313 · Senior Managing Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,053

Underlying: Common Stock · 4,476 shares

Expires not disclosed

F4 · security: Each DSU represents a contingent right to receive one share of the Company's common stock.

F4 · derivative.exercise_price: Each DSU represents a contingent right to receive one share of the Company's common stock.

F6 · derivative.exercise_date: On March 4, 2019, there were 4,476 DSUs granted as part of the 2019 Short Term Incentive Plan. DSUs shall vest immediately and shall settle and convert into shares of common stock as follows: 50% of the DSUs shall settle and convert into shares of common stock on March 4, 2020, and the remaining 50% of the DSUs shall settle and convert into shares of common stock on March 4, 2021; provided however, that if the reporting person's employment with the Company is terminated for any reason, all of the DSUs will settle and convert into shares of common stock immediately. Notwithstanding the foregoing, a number of vested DSUs sufficient to satisfy certain tax withholding obligations imposed upon the Company may be converted into shares of common stock and withheld by the Company to satisfy such tax withholding obligations.

F6 · derivative.expiration_date: On March 4, 2019, there were 4,476 DSUs granted as part of the 2019 Short Term Incentive Plan. DSUs shall vest immediately and shall settle and convert into shares of common stock as follows: 50% of the DSUs shall settle and convert into shares of common stock on March 4, 2020, and the remaining 50% of the DSUs shall settle and convert into shares of common stock on March 4, 2021; provided however, that if the reporting person's employment with the Company is terminated for any reason, all of the DSUs will settle and convert into shares of common stock immediately. Notwithstanding the foregoing, a number of vested DSUs sufficient to satisfy certain tax withholding obligations imposed upon the Company may be converted into shares of common stock and withheld by the Company to satisfy such tax withholding obligations.

SEC source: 0000874501-19-000031 · wf-form4_155183561747950.xml · derivative · entry 5

BARRANCO DAVID · CIK 0001562313 · Senior Managing Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,923

Underlying: Common Stock · 2,209 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F5 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of common stock of the Company.

F3 · derivative.exercise_date: On March 4, 2019, there were 2,209 restricted stock units ("RSUs") that settled, and were converted into shares of common stock of the Company.

F3 · derivative.expiration_date: On March 4, 2019, there were 2,209 restricted stock units ("RSUs") that settled, and were converted into shares of common stock of the Company.

SEC source: 0000874501-19-000031 · wf-form4_155183561747950.xml · derivative · entry 4

BARRANCO DAVID · CIK 0001562313 · Senior Managing Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,577

Underlying: Common Stock · 4,231 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F4 · security: Each DSU represents a contingent right to receive one share of the Company's common stock.

F4 · derivative.exercise_price: Each DSU represents a contingent right to receive one share of the Company's common stock.

F1 · derivative.exercise_date: Represents the aggregate amount of deferred share units ("DSUs") that were converted into shares of common stock of Ambac Financial Group, Inc. (the "Company") upon settlement of a portion of the reporting person's 2017 and 2018 Short Term Incentive Plan award and a limited number of DSUs awarded pursuant to the 2019 Short Term Incentive Plan that were settled in order to satisfy certain tax withholding obligations imposed upon the Company.

F1 · derivative.expiration_date: Represents the aggregate amount of deferred share units ("DSUs") that were converted into shares of common stock of Ambac Financial Group, Inc. (the "Company") upon settlement of a portion of the reporting person's 2017 and 2018 Short Term Incentive Plan award and a limited number of DSUs awarded pursuant to the 2019 Short Term Incentive Plan that were settled in order to satisfy certain tax withholding obligations imposed upon the Company.

SEC source: 0000874501-19-000031 · wf-form4_155183561747950.xml · nonDerivative · entry 3

BARRANCO DAVID · CIK 0001562313 · Senior Managing Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 16,335

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · shares: On March 4, 2019, there were 2,209 restricted stock units ("RSUs") that settled, and were converted into shares of common stock of the Company.

SEC source: 0000874501-19-000031 · wf-form4_155183561747950.xml · nonDerivative · entry 2

BARRANCO DAVID · CIK 0001562313 · Senior Managing Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,126

F2 · shares: Represents the aggregate amount of DSUs and RSUs that were converted into shares of common stock and withheld by the Company to satisfy certain tax withholding obligations.

SEC source: 0000874501-19-000031 · wf-form4_155183561747950.xml · nonDerivative · entry 1

BARRANCO DAVID · CIK 0001562313 · Senior Managing Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 16,317

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · shares: Represents the aggregate amount of deferred share units ("DSUs") that were converted into shares of common stock of Ambac Financial Group, Inc. (the "Company") upon settlement of a portion of the reporting person's 2017 and 2018 Short Term Incentive Plan award and a limited number of DSUs awarded pursuant to the 2019 Short Term Incentive Plan that were settled in order to satisfy certain tax withholding obligations imposed upon the Company.

SEC source: 0000874501-19-000029 · wf-form4_155183543684959.xml · derivative · entry 7

Trick David · CIK 0001480597 · Exec VP, CFO & Treasurer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 26,172

Underlying: Common Stock · 7,795 shares

Expires not disclosed

F5 · security: Each RSU represents a contingent right to receive one share of common stock of the Company.

F5 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of common stock of the Company.

F7 · derivative.exercise_date: On March 4, 2019 the reporting person received a grant of 7,795 restricted stock units ("RSUs") as part of their 2019 Long Term Incentive Plan award. The RSUs will vest in three equal annual installments commencing January 2, 2020, January 2, 2021, and January 2, 2022.

F7 · derivative.expiration_date: On March 4, 2019 the reporting person received a grant of 7,795 restricted stock units ("RSUs") as part of their 2019 Long Term Incentive Plan award. The RSUs will vest in three equal annual installments commencing January 2, 2020, January 2, 2021, and January 2, 2022.

SEC source: 0000874501-19-000029 · wf-form4_155183543684959.xml · derivative · entry 6

Trick David · CIK 0001480597 · Exec VP, CFO & Treasurer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,438

Underlying: Common Stock · 7,186 shares

Expires not disclosed

F4 · security: Each DSU represents a contingent right to receive one share of the Company's common stock.

F4 · derivative.exercise_price: Each DSU represents a contingent right to receive one share of the Company's common stock.

F6 · derivative.exercise_date: On March 4, 2019, there were 7,186 DSUs granted as part of the 2019 Short Term Incentive Plan. DSUs shall vest immediately and shall settle and convert into shares of common stock as follows: 50% of the DSUs shall settle and convert into shares of common stock on March 4, 2020, and the remaining 50% of the DSUs shall settle and convert into shares of common stock on March 4, 2021; provided however, that if the reporting person's employment with the Company is terminated for any reason, all of the DSUs will settle and convert into shares of common stock immediately. Notwithstanding the foregoing, a number of vested DSUs sufficient to satisfy certain tax withholding obligations imposed upon the Company may be converted into shares of common stock and withheld by the Company to satisfy such tax withholding obligations.

F6 · derivative.expiration_date: On March 4, 2019, there were 7,186 DSUs granted as part of the 2019 Short Term Incentive Plan. DSUs shall vest immediately and shall settle and convert into shares of common stock as follows: 50% of the DSUs shall settle and convert into shares of common stock on March 4, 2020, and the remaining 50% of the DSUs shall settle and convert into shares of common stock on March 4, 2021; provided however, that if the reporting person's employment with the Company is terminated for any reason, all of the DSUs will settle and convert into shares of common stock immediately. Notwithstanding the foregoing, a number of vested DSUs sufficient to satisfy certain tax withholding obligations imposed upon the Company may be converted into shares of common stock and withheld by the Company to satisfy such tax withholding obligations.

SEC source: 0000874501-19-000029 · wf-form4_155183543684959.xml · derivative · entry 5

Trick David · CIK 0001480597 · Exec VP, CFO & Treasurer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 18,377

Underlying: Common Stock · 2,946 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F5 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of common stock of the Company.

F3 · derivative.exercise_date: On March 4, 2019, there were 2,946 restricted stock units ("RSUs") that settled, and were converted into shares of common stock of the Company.

F3 · derivative.expiration_date: On March 4, 2019, there were 2,946 restricted stock units ("RSUs") that settled, and were converted into shares of common stock of the Company.

SEC source: 0000874501-19-000029 · wf-form4_155183543684959.xml · derivative · entry 4

Trick David · CIK 0001480597 · Exec VP, CFO & Treasurer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,252

Underlying: Common Stock · 7,958 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F4 · security: Each DSU represents a contingent right to receive one share of the Company's common stock.

F4 · derivative.exercise_price: Each DSU represents a contingent right to receive one share of the Company's common stock.

F1 · derivative.exercise_date: Represents the aggregate amount of deferred share units ("DSUs") that were converted into shares of common stock of Ambac Financial Group, Inc. (the "Company") upon settlement of a portion of the reporting person's 2017 and 2018 Short Term Incentive Plan award and a limited number of DSUs awarded pursuant to the 2019 Short Term Incentive Plan that were settled in order to satisfy certain tax withholding obligations imposed upon the Company.

F1 · derivative.expiration_date: Represents the aggregate amount of deferred share units ("DSUs") that were converted into shares of common stock of Ambac Financial Group, Inc. (the "Company") upon settlement of a portion of the reporting person's 2017 and 2018 Short Term Incentive Plan award and a limited number of DSUs awarded pursuant to the 2019 Short Term Incentive Plan that were settled in order to satisfy certain tax withholding obligations imposed upon the Company.

SEC source: 0000874501-19-000029 · wf-form4_155183543684959.xml · nonDerivative · entry 3

Trick David · CIK 0001480597 · Exec VP, CFO & Treasurer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 50,713

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · shares: On March 4, 2019, there were 2,946 restricted stock units ("RSUs") that settled, and were converted into shares of common stock of the Company.

SEC source: 0000874501-19-000029 · wf-form4_155183543684959.xml · nonDerivative · entry 2

Trick David · CIK 0001480597 · Exec VP, CFO & Treasurer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 47,767

F2 · shares: Represents the aggregate amount of DSUs and RSUs that were converted into shares of common stock and withheld by the Company to satisfy certain tax withholding obligations.

SEC source: 0000874501-19-000029 · wf-form4_155183543684959.xml · nonDerivative · entry 1

Trick David · CIK 0001480597 · Exec VP, CFO & Treasurer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 51,451

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · shares: Represents the aggregate amount of deferred share units ("DSUs") that were converted into shares of common stock of Ambac Financial Group, Inc. (the "Company") upon settlement of a portion of the reporting person's 2017 and 2018 Short Term Incentive Plan award and a limited number of DSUs awarded pursuant to the 2019 Short Term Incentive Plan that were settled in order to satisfy certain tax withholding obligations imposed upon the Company.

SEC source: 0000874501-19-000027 · wf-form4_155183505446703.xml · derivative · entry 7

LeBlanc Claude · CIK 0001380820 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 136,603

Underlying: Common Stock · 44,307 shares

Expires not disclosed

F5 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of common stock of the Company.

F7 · derivative.exercise_date: On March 4, 2019 the reporting person received a grant of 44,307 restricted stock units ("RSUs") as part of their 2019 Long Term Incentive Plan award. The RSUs will vest in three equal annual installments commencing January 2, 2020, January 2, 2021, and January 2, 2022.

F7 · derivative.expiration_date: On March 4, 2019 the reporting person received a grant of 44,307 restricted stock units ("RSUs") as part of their 2019 Long Term Incentive Plan award. The RSUs will vest in three equal annual installments commencing January 2, 2020, January 2, 2021, and January 2, 2022.

SEC source: 0000874501-19-000027 · wf-form4_155183505446703.xml · derivative · entry 6

LeBlanc Claude · CIK 0001380820 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 30,112

Underlying: Common Stock · 19,394 shares

Expires not disclosed

F4 · derivative.exercise_price: Each DSU represents a contingent right to receive one share of the Company's common stock.

F6 · derivative.exercise_date: On March 4, 2019, there were 19,394 DSUs granted as part of the 2019 Short Term Incentive Plan. DSUs shall vest immediately and shall settle and convert into shares of common stock as follows: 50% of the DSUs shall settle and convert into shares of common stock on March 4, 2020, and the remaining 50% of the DSUs shall settle and convert into shares of common stock on March 4, 2021; provided however, that if the reporting person's employment with the Company is terminated for any reason, all of the DSUs will settle and convert into shares of common stock immediately. Notwithstanding the foregoing, a number of vested DSUs sufficient to satisfy certain tax withholding obligations imposed upon the Company may be converted into shares of common stock and withheld by the Company to satisfy such tax withholding obligations.

F6 · derivative.expiration_date: On March 4, 2019, there were 19,394 DSUs granted as part of the 2019 Short Term Incentive Plan. DSUs shall vest immediately and shall settle and convert into shares of common stock as follows: 50% of the DSUs shall settle and convert into shares of common stock on March 4, 2020, and the remaining 50% of the DSUs shall settle and convert into shares of common stock on March 4, 2021; provided however, that if the reporting person's employment with the Company is terminated for any reason, all of the DSUs will settle and convert into shares of common stock immediately. Notwithstanding the foregoing, a number of vested DSUs sufficient to satisfy certain tax withholding obligations imposed upon the Company may be converted into shares of common stock and withheld by the Company to satisfy such tax withholding obligations.

SEC source: 0000874501-19-000027 · wf-form4_155183505446703.xml · derivative · entry 5

LeBlanc Claude · CIK 0001380820 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 92,296

Underlying: Common Stock · 19,881 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F5 · security: Each RSU represents a contingent right to receive one share of common stock of the Company.

F5 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of common stock of the Company.

F3 · derivative.exercise_date: On March 4, 2019, there were 19,881 restricted stock units ("RSUs") that settled, and were converted into shares of common stock of the Company.

F3 · derivative.expiration_date: On March 4, 2019, there were 19,881 restricted stock units ("RSUs") that settled, and were converted into shares of common stock of the Company.

SEC source: 0000874501-19-000027 · wf-form4_155183505446703.xml · derivative · entry 4

LeBlanc Claude · CIK 0001380820 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,718

Underlying: Common Stock · 12,138 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F4 · derivative.exercise_price: Each DSU represents a contingent right to receive one share of the Company's common stock.

F1 · derivative.exercise_date: Represents the aggregate amount of deferred share units ("DSUs") that were converted into shares of common stock of Ambac Financial Group, Inc. (the "Company") upon settlement of a portion of the reporting person's 2017 and 2018 Short Term Incentive Plan award and a limited number of DSUs awarded pursuant to the 2019 Short Term Incentive Plan were settled in order to satisfy certain tax withholding obligations imposed upon the Company.

F1 · derivative.expiration_date: Represents the aggregate amount of deferred share units ("DSUs") that were converted into shares of common stock of Ambac Financial Group, Inc. (the "Company") upon settlement of a portion of the reporting person's 2017 and 2018 Short Term Incentive Plan award and a limited number of DSUs awarded pursuant to the 2019 Short Term Incentive Plan were settled in order to satisfy certain tax withholding obligations imposed upon the Company.

SEC source: 0000874501-19-000027 · wf-form4_155183505446703.xml · nonDerivative · entry 3

LeBlanc Claude · CIK 0001380820 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 67,125

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · shares: On March 4, 2019, there were 19,881 restricted stock units ("RSUs") that settled, and were converted into shares of common stock of the Company.

SEC source: 0000874501-19-000027 · wf-form4_155183505446703.xml · nonDerivative · entry 2

LeBlanc Claude · CIK 0001380820 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 47,244

F2 · shares: Represents the aggregate amount of DSUs and RSUs that were converted into shares of common stock and withheld by the Company to satisfy certain tax withholding obligations.

SEC source: 0000874501-19-000027 · wf-form4_155183505446703.xml · nonDerivative · entry 1

LeBlanc Claude · CIK 0001380820 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 59,638

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · shares: Represents the aggregate amount of deferred share units ("DSUs") that were converted into shares of common stock of Ambac Financial Group, Inc. (the "Company") upon settlement of a portion of the reporting person's 2017 and 2018 Short Term Incentive Plan award and a limited number of DSUs awarded pursuant to the 2019 Short Term Incentive Plan were settled in order to satisfy certain tax withholding obligations imposed upon the Company.

SEC source: 0000874501-19-000016 · wf-form4_155130327703124.xml · nonDerivative · entry 2

Eisman Robert Bryan · CIK 0001477761 · Sr. MD & CAO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,859

F2 · shares: As part of this vesting and settlement, 3,199 shares of common stock were withheld by the Company to satisfy certain tax withholding obligations.

SEC source: 0000874501-19-000016 · wf-form4_155130327703124.xml · nonDerivative · entry 1

Eisman Robert Bryan · CIK 0001477761 · Sr. MD & CAO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 19,058

F1 · shares: The reporting person acquired 9,045 shares of common stock of Ambac Financial Group, Inc. (the "Company") upon the simultaneous vesting and settlement of the reporting person's 2016 Long Term Incentive Plan award, which had a three year performance period and vested on February 25, 2019.

SEC source: 0000874501-19-000013 · wf-form4_155130293584587.xml · nonDerivative · entry 2

Ksenak Stephen Michael · CIK 0001527850 · Sr. MD & General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 27,662

F2 · shares: As part of this vesting and settlement, 4,598 shares of common stock were withheld by the Company to satisfy certain tax withholding obligations.

SEC source: 0000874501-19-000013 · wf-form4_155130293584587.xml · nonDerivative · entry 1

Ksenak Stephen Michael · CIK 0001527850 · Sr. MD & General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 32,260

F1 · shares: The reporting person acquired 13,569 shares of common stock of Ambac Financial Group, Inc. (the "Company") upon the simultaneous vesting and settlement of the reporting person's 2016 Long Term Incentive Plan award, which had a three year performance period and vested on February 25, 2019.

SEC source: 0000874501-19-000015 · wf-form4_155130317158990.xml · nonDerivative · entry 2

BARRANCO DAVID · CIK 0001562313 · Senior Managing Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,086

F2 · shares: As part of this vesting and settlement, 3,804 shares of common stock were withheld by the Company to satisfy certain tax withholding obligations.

SEC source: 0000874501-19-000015 · wf-form4_155130317158990.xml · nonDerivative · entry 1

BARRANCO DAVID · CIK 0001562313 · Senior Managing Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,890

F1 · shares: The reporting person acquired 10,824 shares of common stock of Ambac Financial Group, Inc. (the "Company") upon the simultaneous vesting and settlement of the reporting person's 2016 Long Term Incentive Plan award, which had a three year performance period and vested on February 25, 2019.