Hill Thad

SEC source: 0001628280-26-034441 · wk-form4_1778685942.xml · nonDerivative · entry 1

Hill Thad · CIK 0001351761 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Deferred Compensation Plan

Disclosed balance after: 4,962

SEC source: 0001351761-26-000001 · primarydocument.xml · nonDerivative · entry 1

Hill Thad · CIK 0001351761 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,025

F1 · kind: Award of common stock as annual retainer for outside directors. Stock is restricted and must be registered or sold pursuant to Rule 144.

SEC source: 0001562180-25-003255 · primarydocument.xml · nonDerivative · entry 1

Hill Thad · CIK 0001351761 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,705

F1 · kind: Award of common stock as annual retainer for outside directors. Stock is restricted and must be registered or sold pursuant to Rule 144.

SEC source: 0001562180-24-003531 · primarydocument.xml · nonDerivative · entry 1

Hill Thad · CIK 0001351761 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,186

F1 · kind: Award of common stock as annual retainer for outside directors. Stock is restricted and must be registered or sold pursuant to Rule 144.

SEC source: 0001562180-23-003723 · primarydocument.xml · nonDerivative · entry 1

Hill Thad · CIK 0001351761 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,476

F1 · kind: Award of common stock as annual retainer for outside directors. Stock is restricted and must be registered or sold pursuant to Rule 144.

SEC source: 0001562180-23-003742 · primarydocument.xml · nonDerivative · entry 1

Hill Thad · CIK 0001351761 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,476

F1 · date: This amendment is being filed solely to correct the date of the reported transaction, which was incorrectly reported in the original Form 4.

F2 · kind: Award of common stock as annual retainer for outside directors. Stock is restricted and must be registered or sold pursuant to Rule 144.

SEC source: 0001562180-22-003570 · primarydocument.xml · nonDerivative · entry 1

Hill Thad · CIK 0001351761 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,904

F1 · kind: Award of common stock as annual retainer for outside directors. Stock is restricted and must be registered or sold pursuant to Rule 144.

SEC source: 0001562180-21-002921 · primarydocument.xml · nonDerivative · entry 1

Hill Thad · CIK 0001351761 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,444

F1 · kind: Award of common stock as annual retainer for outside directors. Stock is restricted and must be registered or sold pursuant to Rule 144.

SEC source: 0000916457-18-000134 · wf-form4_152088870865219.xml · derivative · entry 8

Hill Thad · CIK 0001351761 · Director · President & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock, par value $0.001 per share · 292,489 shares

Expires 2027-02-15

F4 · price: Pursuant to the Merger Agreement, this derivative security was cancelled in exchange for a cash payment equal to the difference between the exercise price and $15.25.

SEC source: 0000916457-18-000134 · wf-form4_152088870865219.xml · derivative · entry 7

Hill Thad · CIK 0001351761 · Director · President & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock, par value $0.001 per share · 300,000 shares

Expires 2020-11-03

F4 · price: Pursuant to the Merger Agreement, this derivative security was cancelled in exchange for a cash payment equal to the difference between the exercise price and $15.25.

SEC source: 0000916457-18-000134 · wf-form4_152088870865219.xml · derivative · entry 6

Hill Thad · CIK 0001351761 · Director · President & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock, par value $0.001 per share · 100,000 shares

Expires 2019-05-07

F4 · price: Pursuant to the Merger Agreement, this derivative security was cancelled in exchange for a cash payment equal to the difference between the exercise price and $15.25.

SEC source: 0000916457-18-000134 · wf-form4_152088870865219.xml · derivative · entry 5

Hill Thad · CIK 0001351761 · Director · President & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock, par value $0.001 per share · 15,571 shares

Expires 2027-05-16

F4 · price: Pursuant to the Merger Agreement, this derivative security was cancelled in exchange for a cash payment equal to the difference between the exercise price and $15.25.

SEC source: 0000916457-18-000134 · wf-form4_152088870865219.xml · derivative · entry 4

Hill Thad · CIK 0001351761 · Director · President & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock, par value $0.001 per share · 6,706 shares

Expires not disclosed

F3 · derivative.exercise_price: Pursuant to the Merger Agreement, these performance share units ("PSU") were cancelled in exchange for the right to receive a cash payment of $15.25 for each share of common stock underlying such PSU (assuming for this purpose that performance in respect of all such outstanding PSUs was achieved at a level that resulted in a payout of 150% of the target award).

F3 · price: Pursuant to the Merger Agreement, these performance share units ("PSU") were cancelled in exchange for the right to receive a cash payment of $15.25 for each share of common stock underlying such PSU (assuming for this purpose that performance in respect of all such outstanding PSUs was achieved at a level that resulted in a payout of 150% of the target award).

F3 · derivative.exercise_date: Pursuant to the Merger Agreement, these performance share units ("PSU") were cancelled in exchange for the right to receive a cash payment of $15.25 for each share of common stock underlying such PSU (assuming for this purpose that performance in respect of all such outstanding PSUs was achieved at a level that resulted in a payout of 150% of the target award).

F3 · derivative.expiration_date: Pursuant to the Merger Agreement, these performance share units ("PSU") were cancelled in exchange for the right to receive a cash payment of $15.25 for each share of common stock underlying such PSU (assuming for this purpose that performance in respect of all such outstanding PSUs was achieved at a level that resulted in a payout of 150% of the target award).

SEC source: 0000916457-18-000134 · wf-form4_152088870865219.xml · derivative · entry 3

Hill Thad · CIK 0001351761 · Director · President & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock, par value $0.001 per share · 94,554 shares

Expires not disclosed

F3 · derivative.exercise_price: Pursuant to the Merger Agreement, these performance share units ("PSU") were cancelled in exchange for the right to receive a cash payment of $15.25 for each share of common stock underlying such PSU (assuming for this purpose that performance in respect of all such outstanding PSUs was achieved at a level that resulted in a payout of 150% of the target award).

F3 · price: Pursuant to the Merger Agreement, these performance share units ("PSU") were cancelled in exchange for the right to receive a cash payment of $15.25 for each share of common stock underlying such PSU (assuming for this purpose that performance in respect of all such outstanding PSUs was achieved at a level that resulted in a payout of 150% of the target award).

F3 · derivative.exercise_date: Pursuant to the Merger Agreement, these performance share units ("PSU") were cancelled in exchange for the right to receive a cash payment of $15.25 for each share of common stock underlying such PSU (assuming for this purpose that performance in respect of all such outstanding PSUs was achieved at a level that resulted in a payout of 150% of the target award).

F3 · derivative.expiration_date: Pursuant to the Merger Agreement, these performance share units ("PSU") were cancelled in exchange for the right to receive a cash payment of $15.25 for each share of common stock underlying such PSU (assuming for this purpose that performance in respect of all such outstanding PSUs was achieved at a level that resulted in a payout of 150% of the target award).

SEC source: 0000916457-18-000134 · wf-form4_152088870865219.xml · derivative · entry 2

Hill Thad · CIK 0001351761 · Director · President & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock, par value $0.001 per share · 79,089 shares

Expires not disclosed

F2 · derivative.exercise_price: Award of restricted stock units ("RSU") pursuant to Calpine Corporation's 2017 Equity Incentive Plan (the "Equity Plan"). The grant was approved by the Board of Directors on February 15, 2017 contingent upon shareholder approval of the Equity Plan. The Equity Plan was approved by the Company's shareholders at the 2017 Annual Meeting on May 10, 2017 and became effective as of that date. The award vests in three equal annual installments on the first, second and third anniversary dates of the grant date. Each RSU converts into common stock on a one for one basis. Pursuant to the Merger Agreement, these RSUs were cancelled in exchange for the right to receive a cash payment of $15.25 for each such RSU.

F2 · price: Award of restricted stock units ("RSU") pursuant to Calpine Corporation's 2017 Equity Incentive Plan (the "Equity Plan"). The grant was approved by the Board of Directors on February 15, 2017 contingent upon shareholder approval of the Equity Plan. The Equity Plan was approved by the Company's shareholders at the 2017 Annual Meeting on May 10, 2017 and became effective as of that date. The award vests in three equal annual installments on the first, second and third anniversary dates of the grant date. Each RSU converts into common stock on a one for one basis. Pursuant to the Merger Agreement, these RSUs were cancelled in exchange for the right to receive a cash payment of $15.25 for each such RSU.

F2 · derivative.exercise_date: Award of restricted stock units ("RSU") pursuant to Calpine Corporation's 2017 Equity Incentive Plan (the "Equity Plan"). The grant was approved by the Board of Directors on February 15, 2017 contingent upon shareholder approval of the Equity Plan. The Equity Plan was approved by the Company's shareholders at the 2017 Annual Meeting on May 10, 2017 and became effective as of that date. The award vests in three equal annual installments on the first, second and third anniversary dates of the grant date. Each RSU converts into common stock on a one for one basis. Pursuant to the Merger Agreement, these RSUs were cancelled in exchange for the right to receive a cash payment of $15.25 for each such RSU.

F2 · derivative.expiration_date: Award of restricted stock units ("RSU") pursuant to Calpine Corporation's 2017 Equity Incentive Plan (the "Equity Plan"). The grant was approved by the Board of Directors on February 15, 2017 contingent upon shareholder approval of the Equity Plan. The Equity Plan was approved by the Company's shareholders at the 2017 Annual Meeting on May 10, 2017 and became effective as of that date. The award vests in three equal annual installments on the first, second and third anniversary dates of the grant date. Each RSU converts into common stock on a one for one basis. Pursuant to the Merger Agreement, these RSUs were cancelled in exchange for the right to receive a cash payment of $15.25 for each such RSU.

SEC source: 0000916457-18-000134 · wf-form4_152088870865219.xml · nonDerivative · entry 1

Hill Thad · CIK 0001351761 · Director · President & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

F1 · kind: On August 17, 2017, Calpine Corporation, a Delaware corporation the ("Company"), entered into an Agreement and Plan of Merger, dated August 17, 2017 (the "Merger Agreement") with Volt Parent, LP, a Delaware limited partnership ("Parent"), and Volt Merger Sub, Inc., a Delaware corporation and wholly owned subsidiary of Parent ("Merger Sub"), pursuant to which Merger Sub merged with and into the Company (the "Merger"), with the Company surviving the Merger as a subsidiary of Parent on the terms and conditions set forth in the Merger Agreement. At the effective time of the Merger, these shares of common stock have been converted into the right to receive $15.25 in cash, without interest.

F1 · price: On August 17, 2017, Calpine Corporation, a Delaware corporation the ("Company"), entered into an Agreement and Plan of Merger, dated August 17, 2017 (the "Merger Agreement") with Volt Parent, LP, a Delaware limited partnership ("Parent"), and Volt Merger Sub, Inc., a Delaware corporation and wholly owned subsidiary of Parent ("Merger Sub"), pursuant to which Merger Sub merged with and into the Company (the "Merger"), with the Company surviving the Merger as a subsidiary of Parent on the terms and conditions set forth in the Merger Agreement. At the effective time of the Merger, these shares of common stock have been converted into the right to receive $15.25 in cash, without interest.

SEC source: 0000916457-18-000042 · wf-form4_151985589997478.xml · nonDerivative · entry 1

Hill Thad · CIK 0001351761 · Director · President & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 565,050

F1 · shares: Represents shares withheld by Calpine Corporation (the "Company") at the reporting person's request, as permitted under the Company's Amended and Restated 2008 Equity Incentive Plan, to satisfy the reporting person's tax withholding obligation in connection with the vesting on February 26, 2018 of certain shares of restricted stock previously awarded to the reporting person. There was no open market sale of shares by the reporting person.

F2 · price: Closing market price of the Company common stock on the transaction date.

SEC source: 0000916457-18-000034 · wf-form4_151968261006811.xml · nonDerivative · entry 1

Hill Thad · CIK 0001351761 · Director · President & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 575,136

F1 · shares: Represents shares withheld by Calpine Corporation (the "Company") at the reporting person's request, as permitted under the Company's Amended and Restated 2008 Equity Incentive Plan, to satisfy the reporting person's tax withholding obligation in connection with the vesting on February 22, 2018 of certain shares of restricted stock previously awarded to the reporting person. There was no open market sale of shares by the reporting person.

F2 · price: Closing market price of the Company common stock on the transaction date.

SEC source: 0000916457-18-000020 · wf-form4_151916292417503.xml · derivative · entry 3

Hill Thad · CIK 0001351761 · Director · President & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 79,089

Underlying: Common Stock, par value $0.001 per share · 39,544 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.

F2 · derivative.exercise_price: RSUs convert into common stock on a one-for-one basis.

F5 · derivative.exercise_date: Award of restricted stock units pursuant to the Equity Plan. The grant was approved by the Board of Directors on February 15, 2017 contingent upon shareholder approval of the Equity Plan. The Equity Plan was approved by the Company's shareholders at the 2017 Annual Meeting on May 10, 2017 and became effective as of that date. The award vests in three equal annual installments on the first, second and third anniversary dates of the grant date. Vested shares will be delivered to the reporting person on the settlement date unless the Issuer elects to settle the restricted stock units in cash or a combination of shares and cash, at the Company's discretion.

F5 · derivative.expiration_date: Award of restricted stock units pursuant to the Equity Plan. The grant was approved by the Board of Directors on February 15, 2017 contingent upon shareholder approval of the Equity Plan. The Equity Plan was approved by the Company's shareholders at the 2017 Annual Meeting on May 10, 2017 and became effective as of that date. The award vests in three equal annual installments on the first, second and third anniversary dates of the grant date. Vested shares will be delivered to the reporting person on the settlement date unless the Issuer elects to settle the restricted stock units in cash or a combination of shares and cash, at the Company's discretion.

SEC source: 0000916457-18-000020 · wf-form4_151916292417503.xml · nonDerivative · entry 2

Hill Thad · CIK 0001351761 · Director · President & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 589,189

F3 · kind: Represents shares withheld by the Company at the reporting person's request, as permitted under the Company's 2017 Equity Incentive Plan (the "Equity Plan"), to satisfy the reporting person's tax withholding obligation in connection with the vesting on February 15, 2018 of certain shares of restricted stock units previously awarded to the reporting person. There was no open market sale of shares by the reporting person.

F4 · price: Closing market price of the Company common stock on the transaction date.

SEC source: 0000916457-18-000020 · wf-form4_151916292417503.xml · nonDerivative · entry 1

Hill Thad · CIK 0001351761 · Director · President & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 598,781

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 · kind: Represents the conversion upon vesting of restricted stock units ("RSUs") into common stock of Calpine Corporation (the "Company"). On May 10, 2017, the reporting person was granted 118,633 RSUs that were previously reported on Table II of a Form 4 filed with the Securities and Exchange Commission on May 10, 2017.

F2 · price: RSUs convert into common stock on a one-for-one basis.

SEC source: 0000916457-17-000165 · wf-form4_151328827126933.xml · nonDerivative · entry 1

Hill Thad · CIK 0001351761 · Director · President & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 559,237

F1 · price: Represents open-market sale of shares of common stock of Calpine Corporation (the "Company") in connection with year-end tax-planning activities. The price reported in column 4 is a weighted average price. These shares were sold in multiple open-market transactions at prices ranging from $15.08 per share to $15.085 per share, inclusive. The reporting person undertakes to provide to the Company, any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased sold at each separate price within the ranges set forth herein.

SEC source: 0000916457-17-000086 · wf-form4_149514900763690.xml · derivative · entry 3

Hill Thad · CIK 0001351761 · Director · President & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,706

Underlying: Common Stock, par value $0.001 per share · 6,706 shares

Expires not disclosed

F3 · security: Granted pursuant to the Company's 2017 Equity Incentive Plan. The number of performance share units ("PSUs") reported represents the "target" number of PSUs that may be earned. Each PSU represents a contingent right to receive 0-150% of the target award. PSUs will vest and be paid in cash (in an amount equal to the product of the number of earned PSUs multiplied by the fair market value of one share of common stock of the Company as of the last trading day of the performance cycle) upon achievement of the specified thresholds of the Company's total shareholder return over the three-year performance period of May 16, 2017 through May 15, 2020, following the Compensation Committee's certification of performance as soon as practicable following completion of the performance period.

F3 · derivative.exercise_price: Granted pursuant to the Company's 2017 Equity Incentive Plan. The number of performance share units ("PSUs") reported represents the "target" number of PSUs that may be earned. Each PSU represents a contingent right to receive 0-150% of the target award. PSUs will vest and be paid in cash (in an amount equal to the product of the number of earned PSUs multiplied by the fair market value of one share of common stock of the Company as of the last trading day of the performance cycle) upon achievement of the specified thresholds of the Company's total shareholder return over the three-year performance period of May 16, 2017 through May 15, 2020, following the Compensation Committee's certification of performance as soon as practicable following completion of the performance period.

F3 · derivative.exercise_date: Granted pursuant to the Company's 2017 Equity Incentive Plan. The number of performance share units ("PSUs") reported represents the "target" number of PSUs that may be earned. Each PSU represents a contingent right to receive 0-150% of the target award. PSUs will vest and be paid in cash (in an amount equal to the product of the number of earned PSUs multiplied by the fair market value of one share of common stock of the Company as of the last trading day of the performance cycle) upon achievement of the specified thresholds of the Company's total shareholder return over the three-year performance period of May 16, 2017 through May 15, 2020, following the Compensation Committee's certification of performance as soon as practicable following completion of the performance period.

F3 · derivative.expiration_date: Granted pursuant to the Company's 2017 Equity Incentive Plan. The number of performance share units ("PSUs") reported represents the "target" number of PSUs that may be earned. Each PSU represents a contingent right to receive 0-150% of the target award. PSUs will vest and be paid in cash (in an amount equal to the product of the number of earned PSUs multiplied by the fair market value of one share of common stock of the Company as of the last trading day of the performance cycle) upon achievement of the specified thresholds of the Company's total shareholder return over the three-year performance period of May 16, 2017 through May 15, 2020, following the Compensation Committee's certification of performance as soon as practicable following completion of the performance period.

SEC source: 0000916457-17-000086 · wf-form4_149514900763690.xml · derivative · entry 2

Hill Thad · CIK 0001351761 · Director · President & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,571

Underlying: Common Stock, par value $0.001 per share · 15,571 shares

Expires 2027-05-16

F2 · security: Granted pursuant to the Company's 2017 Equity Incentive Plan; vesting 100% on May 16, 2020.

SEC source: 0000916457-17-000086 · wf-form4_149514900763690.xml · nonDerivative · entry 1

Hill Thad · CIK 0001351761 · Director · President & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 597,541

F1 · shares: Award of restricted stock pursuant to Calpine Corporation's (the "Company") 2017 Equity Incentive Plan. The award vests in three equal annual installments on the first, second and third anniversary dates of the grant date.

SEC source: 0000916457-17-000080 · wf-form4_149496870946915.xml · nonDerivative · entry 1

Hill Thad · CIK 0001351761 · Director · President & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 587,864

F1 · shares: Represents shares withheld by Calpine Corporation (the "Company") at the reporting person's request, as permitted under the Company's Amended and Restated 2008 Equity Incentive Plan (the "Equity Plan"), to satisfy the reporting person's tax withholding obligation in connection with the vesting on May 13, 2017 of certain shares of restricted stock previously awarded to the reporting person. There was no open market sale of shares by the reporting person.

F2 · price: Closing market price of the Company common stock on Friday, May 12, 2017, representing the closing price per share on the day immediately preceding the Saturday, May 13, 2017 vesting date, on which the New York Stock Exchange was open for trading, as provided under the Equity Plan.

SEC source: 0001140361-17-009674 · doc1.xml · nonDerivative · entry 1

Hill Thad · CIK 0001351761 · Director · President & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 606,525

F1 · shares: Represents shares withheld by Calpine Corporation (the "Company") at the reporting person's request, as permitted under the Company's Amended and Restated 2008 Equity Incentive Plan (the "Equity Plan"), to satisfy the reporting person's tax withholding obligation in connection with the vesting on February 26, 2017 of certain shares of restricted stock previously awarded to the reporting person. There was no open market sale of shares by the reporting person.

F2 · price: Closing market price of the Company common stock on Friday, February 24, 2017, representing the closing price per share on the day immediately preceding the Sunday, February 26, 2017 vesting date, on which the New York Stock Exchange was open for trading, as provided under the Equity Plan.

SEC source: 0001140361-17-009157 · doc1.xml · nonDerivative · entry 1

Hill Thad · CIK 0001351761 · Director · President & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 616,916

F1 · shares: Represents shares withheld by Calpine Corporation (the "Company") at the reporting person's request, as permitted under the Company's Amended and Restated 2008 Equity Incentive Plan (the "Equity Plan"), to satisfy the reporting person's tax withholding obligation in connection with the vesting on February 22, 2017 of certain shares of restricted stock previously awarded to the reporting person. There was no open market sale of shares by the reporting person.

F2 · price: Closing market price per share of the Company common stock on the transaction date.

SEC source: 0001140361-17-008186 · doc1.xml · derivative · entry 2

Hill Thad · CIK 0001351761 · Director · President & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 94,554

Underlying: Common Stock · 94,554 shares

Expires not disclosed

F1 · security: Granted pursuant to Calpine Corporation's (the "Company") Amended and Restated 2008 Equity Plan.

F3 · derivative.exercise_price: The number of performance share units ("PSUs") reported represents the "target" number of PSUs that may be earned. Each PSU represents a contingent right to receive 0-150% of the target award. PSUs will vest and be paid in cash (in an amount equal to the product of the number of earned PSUs multiplied by the fair market value of one share of common stock of the Company as of the last trading day of the performance cycle) upon achievement of the specified thresholds of the Company's total shareholder return over the three-year performance period of January 1, 2017 through December 31, 2019, following the Compensation Committee's certification of performance as soon as practicable following completion of the performance period.

F3 · derivative.exercise_date: The number of performance share units ("PSUs") reported represents the "target" number of PSUs that may be earned. Each PSU represents a contingent right to receive 0-150% of the target award. PSUs will vest and be paid in cash (in an amount equal to the product of the number of earned PSUs multiplied by the fair market value of one share of common stock of the Company as of the last trading day of the performance cycle) upon achievement of the specified thresholds of the Company's total shareholder return over the three-year performance period of January 1, 2017 through December 31, 2019, following the Compensation Committee's certification of performance as soon as practicable following completion of the performance period.

F3 · derivative.expiration_date: The number of performance share units ("PSUs") reported represents the "target" number of PSUs that may be earned. Each PSU represents a contingent right to receive 0-150% of the target award. PSUs will vest and be paid in cash (in an amount equal to the product of the number of earned PSUs multiplied by the fair market value of one share of common stock of the Company as of the last trading day of the performance cycle) upon achievement of the specified thresholds of the Company's total shareholder return over the three-year performance period of January 1, 2017 through December 31, 2019, following the Compensation Committee's certification of performance as soon as practicable following completion of the performance period.

SEC source: 0001140361-17-008186 · doc1.xml · derivative · entry 1

Hill Thad · CIK 0001351761 · Director · President & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 292,489

Underlying: Common Stock · 292,489 shares

Expires 2027-02-15

F1 · security: Granted pursuant to Calpine Corporation's (the "Company") Amended and Restated 2008 Equity Plan.

F2 · derivative.exercise_date: The option vests 100% on February 15, 2020.

SEC source: 0000916457-17-000059 · wf-form4_149444914159767.xml · derivative · entry 1

Hill Thad · CIK 0001351761 · Director · President & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 118,633

Underlying: Common Stock, par value $0.001 per share · 118,633 shares

Expires not disclosed

F1 · derivative.exercise_price: Award of restricted stock units pursuant to Calpine Corporation's 2017 Equity Incentive Plan. The grant was approved by the Board of Directors on February 15, 2017 contingent upon shareholder approval of the 2017 Equity Incentive Plan. The 2017 Equity Incentive Plan was approved by the Company's shareholders at the 2017 Annual Meeting on May 10, 2017 and became effective as of that date. The award vests in three equal annual installments on the first, second and third anniversary dates of the grant date. Vested shares will be delivered to the reporting person on the settlement date unless the Issuer elects to settle the restricted stock units in cash or a combination of shares and cash, at the Company's discretion.

F1 · derivative.exercise_date: Award of restricted stock units pursuant to Calpine Corporation's 2017 Equity Incentive Plan. The grant was approved by the Board of Directors on February 15, 2017 contingent upon shareholder approval of the 2017 Equity Incentive Plan. The 2017 Equity Incentive Plan was approved by the Company's shareholders at the 2017 Annual Meeting on May 10, 2017 and became effective as of that date. The award vests in three equal annual installments on the first, second and third anniversary dates of the grant date. Vested shares will be delivered to the reporting person on the settlement date unless the Issuer elects to settle the restricted stock units in cash or a combination of shares and cash, at the Company's discretion.

F1 · derivative.expiration_date: Award of restricted stock units pursuant to Calpine Corporation's 2017 Equity Incentive Plan. The grant was approved by the Board of Directors on February 15, 2017 contingent upon shareholder approval of the 2017 Equity Incentive Plan. The 2017 Equity Incentive Plan was approved by the Company's shareholders at the 2017 Annual Meeting on May 10, 2017 and became effective as of that date. The award vests in three equal annual installments on the first, second and third anniversary dates of the grant date. Vested shares will be delivered to the reporting person on the settlement date unless the Issuer elects to settle the restricted stock units in cash or a combination of shares and cash, at the Company's discretion.