FOUR · Shift4 Payments, Inc. · Insider Trading

Represents an award of restricted stock units, which will vest in three equal annual installments beginning on February 27, 2027.

These shares were withheld for payment of the withholding taxes upon the vesting of the restricted stock units granted to the Reporting Person on August 6, 2025.

Represents an award of restricted stock units, which vest in full on the one year anniversary of the grant date, subject to the Reporting Person's continued service.

Represents an award of restricted stock units, which vest in full on the one year anniversary of the grant date, subject to the Reporting Person's continued service.

Represents an award of restricted stock units, which vest in full on the one year anniversary of the grant date, subject to the Reporting Person's continued service.

Represents an award of restricted stock units, which vest in full on the one year anniversary of the grant date, subject to the Reporting Person's continued service.

Represents an award of restricted stock units, which vest in full on the one year anniversary of the grant date, subject to the Reporting Person's continued service.

Represents an award of restricted stock units, which vest in full on the one year anniversary of the grant date, subject to the Reporting Person's continued service.

These shares were withheld for payment of the withholding taxes upon the vesting of the restricted stock units granted to the Reporting Person on June 17, 2025.

Balance has been adjusted by 4,024 shares from the Reporting Person's most recently filed Form 4, representing previously withheld shares that had not been reported.

The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $39.6539 to $41.5200, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the Staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $40.6231 to $ 41.6762, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the Staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

The transaction reported shows the Reporting Person's previously agreed charitable gift of 1,600 shares of the Issuer's Class A common stock to Renaissance Charitable Foundation, Inc. The total number of securities held of record by Rook has been reduced by 951,487 shares of Class A Common Stock to account for the correct number of shares on the Reporting Person's Form 4 filed on March 2, 2026.

Securities held of record by Rook. The Reporting Person is the sole stockholder of Rook and therefore may be deemed to have beneficial ownership with respect to such securities.

The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $45.7245 to $45.7661, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the Staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $43.8257 to $43.8441, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the Staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

These shares were withheld for payment of the withholding taxes upon the vesting of the restricted stock units granted to the Reporting Person on March 2, 2023.

These shares were withheld for payment of the withholding taxes upon the vesting of the restricted stock units granted to the Reporting Person on March 2, 2023.

These shares were withheld for payment of the withholding taxes upon the vesting of the restricted stock units granted to the Reporting Person on March 2, 2023.

These shares were withheld for payment of the withholding taxes upon the vesting of the restricted stock units granted to the Reporting Person on February 29, 2024.

These shares were withheld for payment of the withholding taxes upon the vesting of the restricted stock units granted to the Reporting Person on February 29, 2024.

These shares were withheld for payment of the withholding taxes upon the vesting of the restricted stock units granted to the Reporting Person on February 29, 2024.

These shares were withheld for payment of the withholding taxes upon the vesting of the restricted stock units granted to the Reporting Person on February 29, 2024.

Represents an award of restricted stock units, which will vest in three equal annual installments beginning on February 27, 2027.

Represents an award of restricted stock units, which will vest in three equal annual installments beginning on February 27, 2027.

Represents an award of restricted stock units, which will vest in three equal annual installments beginning on February 27, 2027.

The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $43.92 to $44.3801, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the Staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

Represents an award of restricted stock units, which will vest in three equal annual installments beginning on February 27, 2027.

Represents an award of restricted stock units, which will vest in three equal annual installments beginning on February 27, 2027.

The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $48.2907 to $48.5263, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the Staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

These shares were withheld for payment of the withholding taxes upon the vesting of the restricted stock units granted to the Reporting Person on February 20, 2025.

These shares were withheld for payment of the withholding taxes upon the vesting of the restricted stock units granted to the Reporting Person on February 20, 2025.

These shares were withheld for payment of the withholding taxes upon the vesting of the restricted stock units granted to the Reporting Person on February 20, 2025.

These shares were withheld for payment of the withholding taxes upon the vesting of the restricted stock units granted to the Reporting Person on February 21, 2025.

On December 18, 2026, the Reporting Person, Mr. Isaacman, was confirmed and appointed as administrator of the National Aeronautics and Space Administration. Subsequently, on February 7, 2026, the Issuer, Shift4 Payments, LLC ("Shift4 LLC") Mr. Isaacman and Rook Holdings Inc., a Delaware corporation ("Rook") wholly owned by Mr. Isaacman, entered into a Transaction Agreement (the "Transaction Agreement"). Pursuant to the Transaction Agreement, among other transactions, the following transactions occurred: (i) Rook effected a redemption and exchange of all of its equity common units ("LLC Interests") in Shift4 LLC on a one-for-one basis for shares of the Issuer's Class A common stock (the "Class A Common Stock") and cancelled the corresponding shares of the Issuer's Class B common stock (the "Class B Common Stock"),

(Continued from footnote 1) and (ii) Mr. Isaacman exchanged all of his shares of the Issuer's Class C common stock (the "Class C Common Stock") on a one-for-one basis for shares of Class A Common Stock. As a result, the sole class of stock of the Issuer owned by the Reporting Person is Class A Common Stock.

The LLC Interests were generally redeemable at any time for shares of the Class A Common Stock on a one-for-one basis.

Securities held of record by Rook. The Reporting Person is the sole stockholder of Rook and therefore may be deemed to have beneficial ownership with respect to such securities.

On December 18, 2026, the Reporting Person, Mr. Isaacman, was confirmed and appointed as administrator of the National Aeronautics and Space Administration. Subsequently, on February 7, 2026, the Issuer, Shift4 Payments, LLC ("Shift4 LLC") Mr. Isaacman and Rook Holdings Inc., a Delaware corporation ("Rook") wholly owned by Mr. Isaacman, entered into a Transaction Agreement (the "Transaction Agreement"). Pursuant to the Transaction Agreement, among other transactions, the following transactions occurred: (i) Rook effected a redemption and exchange of all of its equity common units ("LLC Interests") in Shift4 LLC on a one-for-one basis for shares of the Issuer's Class A common stock (the "Class A Common Stock") and cancelled the corresponding shares of the Issuer's Class B common stock (the "Class B Common Stock"),

(Continued from footnote 1) and (ii) Mr. Isaacman exchanged all of his shares of the Issuer's Class C common stock (the "Class C Common Stock") on a one-for-one basis for shares of Class A Common Stock. As a result, the sole class of stock of the Issuer owned by the Reporting Person is Class A Common Stock.

Held by Jared Isaacman C/F Liv A. Isaacman UTMA. The reporting person disclaims beneficial ownership of these shares.

On December 18, 2026, the Reporting Person, Mr. Isaacman, was confirmed and appointed as administrator of the National Aeronautics and Space Administration. Subsequently, on February 7, 2026, the Issuer, Shift4 Payments, LLC ("Shift4 LLC") Mr. Isaacman and Rook Holdings Inc., a Delaware corporation ("Rook") wholly owned by Mr. Isaacman, entered into a Transaction Agreement (the "Transaction Agreement"). Pursuant to the Transaction Agreement, among other transactions, the following transactions occurred: (i) Rook effected a redemption and exchange of all of its equity common units ("LLC Interests") in Shift4 LLC on a one-for-one basis for shares of the Issuer's Class A common stock (the "Class A Common Stock") and cancelled the corresponding shares of the Issuer's Class B common stock (the "Class B Common Stock"),

(Continued from footnote 1) and (ii) Mr. Isaacman exchanged all of his shares of the Issuer's Class C common stock (the "Class C Common Stock") on a one-for-one basis for shares of Class A Common Stock. As a result, the sole class of stock of the Issuer owned by the Reporting Person is Class A Common Stock.

Securities held of record by Rook. The Reporting Person is the sole stockholder of Rook and therefore may be deemed to have beneficial ownership with respect to such securities.

On December 18, 2026, the Reporting Person, Mr. Isaacman, was confirmed and appointed as administrator of the National Aeronautics and Space Administration. Subsequently, on February 7, 2026, the Issuer, Shift4 Payments, LLC ("Shift4 LLC") Mr. Isaacman and Rook Holdings Inc., a Delaware corporation ("Rook") wholly owned by Mr. Isaacman, entered into a Transaction Agreement (the "Transaction Agreement"). Pursuant to the Transaction Agreement, among other transactions, the following transactions occurred: (i) Rook effected a redemption and exchange of all of its equity common units ("LLC Interests") in Shift4 LLC on a one-for-one basis for shares of the Issuer's Class A common stock (the "Class A Common Stock") and cancelled the corresponding shares of the Issuer's Class B common stock (the "Class B Common Stock"),

(Continued from footnote 1) and (ii) Mr. Isaacman exchanged all of his shares of the Issuer's Class C common stock (the "Class C Common Stock") on a one-for-one basis for shares of Class A Common Stock. As a result, the sole class of stock of the Issuer owned by the Reporting Person is Class A Common Stock.

Held by Jared Isaacman C/F Liv A. Isaacman UTMA. The reporting person disclaims beneficial ownership of these shares.

On December 18, 2026, the Reporting Person, Mr. Isaacman, was confirmed and appointed as administrator of the National Aeronautics and Space Administration. Subsequently, on February 7, 2026, the Issuer, Shift4 Payments, LLC ("Shift4 LLC") Mr. Isaacman and Rook Holdings Inc., a Delaware corporation ("Rook") wholly owned by Mr. Isaacman, entered into a Transaction Agreement (the "Transaction Agreement"). Pursuant to the Transaction Agreement, among other transactions, the following transactions occurred: (i) Rook effected a redemption and exchange of all of its equity common units ("LLC Interests") in Shift4 LLC on a one-for-one basis for shares of the Issuer's Class A common stock (the "Class A Common Stock") and cancelled the corresponding shares of the Issuer's Class B common stock (the "Class B Common Stock"),

(Continued from footnote 1) and (ii) Mr. Isaacman exchanged all of his shares of the Issuer's Class C common stock (the "Class C Common Stock") on a one-for-one basis for shares of Class A Common Stock. As a result, the sole class of stock of the Issuer owned by the Reporting Person is Class A Common Stock.

Held by Jared Isaacman C/F Liv A. Isaacman UTMA. The reporting person disclaims beneficial ownership of these shares.

On December 18, 2026, the Reporting Person, Mr. Isaacman, was confirmed and appointed as administrator of the National Aeronautics and Space Administration. Subsequently, on February 7, 2026, the Issuer, Shift4 Payments, LLC ("Shift4 LLC") Mr. Isaacman and Rook Holdings Inc., a Delaware corporation ("Rook") wholly owned by Mr. Isaacman, entered into a Transaction Agreement (the "Transaction Agreement"). Pursuant to the Transaction Agreement, among other transactions, the following transactions occurred: (i) Rook effected a redemption and exchange of all of its equity common units ("LLC Interests") in Shift4 LLC on a one-for-one basis for shares of the Issuer's Class A common stock (the "Class A Common Stock") and cancelled the corresponding shares of the Issuer's Class B common stock (the "Class B Common Stock"),

(Continued from footnote 1) and (ii) Mr. Isaacman exchanged all of his shares of the Issuer's Class C common stock (the "Class C Common Stock") on a one-for-one basis for shares of Class A Common Stock. As a result, the sole class of stock of the Issuer owned by the Reporting Person is Class A Common Stock.

Reflects the cancellation for no consideration of Class B Common Stock in connection with the conversion of LLC Interests into Class A Common Stock. The LLC Interests were generally redeemable at any time for shares of the Class A Common Stock on a one-for-one basis.

Securities held of record by Rook. The Reporting Person is the sole stockholder of Rook and therefore may be deemed to have beneficial ownership with respect to such securities.

In connection with the transactions described herein, the Reporting Person was issued shares of the Issuer's Series A Mandatory Convertible Preferred Stock (the "Series A") in a private placement. The Series A is convertible at any time prior to the mandatory conversion settlement (as defined in the certificate of designation for the Series A) on a one-for-0.9780 basis at the holder's option. The Series A will mandatorily convert on May 1, 2028.

Securities held of record by Rook. The Reporting Person is the sole stockholder of Rook and therefore may be deemed to have beneficial ownership with respect to such securities.

On December 18, 2026, the Reporting Person, Mr. Isaacman, was confirmed and appointed as administrator of the National Aeronautics and Space Administration. Subsequently, on February 7, 2026, the Issuer, Shift4 Payments, LLC ("Shift4 LLC") Mr. Isaacman and Rook Holdings Inc., a Delaware corporation ("Rook") wholly owned by Mr. Isaacman, entered into a Transaction Agreement (the "Transaction Agreement"). Pursuant to the Transaction Agreement, among other transactions, the following transactions occurred: (i) Rook effected a redemption and exchange of all of its equity common units ("LLC Interests") in Shift4 LLC on a one-for-one basis for shares of the Issuer's Class A common stock (the "Class A Common Stock") and cancelled the corresponding shares of the Issuer's Class B common stock (the "Class B Common Stock"),

(Continued from footnote 1) and (ii) Mr. Isaacman exchanged all of his shares of the Issuer's Class C common stock (the "Class C Common Stock") on a one-for-one basis for shares of Class A Common Stock. As a result, the sole class of stock of the Issuer owned by the Reporting Person is Class A Common Stock.

Held by Jared Isaacman C/F Liv A. Isaacman UTMA. The reporting person disclaims beneficial ownership of these shares.

On December 18, 2026, the Reporting Person, Mr. Isaacman, was confirmed and appointed as administrator of the National Aeronautics and Space Administration. Subsequently, on February 7, 2026, the Issuer, Shift4 Payments, LLC ("Shift4 LLC") Mr. Isaacman and Rook Holdings Inc., a Delaware corporation ("Rook") wholly owned by Mr. Isaacman, entered into a Transaction Agreement (the "Transaction Agreement"). Pursuant to the Transaction Agreement, among other transactions, the following transactions occurred: (i) Rook effected a redemption and exchange of all of its equity common units ("LLC Interests") in Shift4 LLC on a one-for-one basis for shares of the Issuer's Class A common stock (the "Class A Common Stock") and cancelled the corresponding shares of the Issuer's Class B common stock (the "Class B Common Stock"),

(Continued from footnote 1) and (ii) Mr. Isaacman exchanged all of his shares of the Issuer's Class C common stock (the "Class C Common Stock") on a one-for-one basis for shares of Class A Common Stock. As a result, the sole class of stock of the Issuer owned by the Reporting Person is Class A Common Stock.

Securities held of record by Rook. The Reporting Person is the sole stockholder of Rook and therefore may be deemed to have beneficial ownership with respect to such securities.

On December 18, 2026, the Reporting Person, Mr. Isaacman, was confirmed and appointed as administrator of the National Aeronautics and Space Administration. Subsequently, on February 7, 2026, the Issuer, Shift4 Payments, LLC ("Shift4 LLC") Mr. Isaacman and Rook Holdings Inc., a Delaware corporation ("Rook") wholly owned by Mr. Isaacman, entered into a Transaction Agreement (the "Transaction Agreement"). Pursuant to the Transaction Agreement, among other transactions, the following transactions occurred: (i) Rook effected a redemption and exchange of all of its equity common units ("LLC Interests") in Shift4 LLC on a one-for-one basis for shares of the Issuer's Class A common stock (the "Class A Common Stock") and cancelled the corresponding shares of the Issuer's Class B common stock (the "Class B Common Stock"),

(Continued from footnote 1) and (ii) Mr. Isaacman exchanged all of his shares of the Issuer's Class C common stock (the "Class C Common Stock") on a one-for-one basis for shares of Class A Common Stock. As a result, the sole class of stock of the Issuer owned by the Reporting Person is Class A Common Stock.

Reflects the cancellation for no consideration of Class B Common Stock in connection with the conversion of LLC Interests into Class A Common Stock. The LLC Interests were generally redeemable at any time for shares of the Class A Common Stock on a one-for-one basis.

Securities held of record by Rook. The Reporting Person is the sole stockholder of Rook and therefore may be deemed to have beneficial ownership with respect to such securities.

Represents sales pursuant to a Rule 10b5-1 trading plan.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $69.00 to $70.00, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the Staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

On December 2, 2025, the Reporting Person terminated his Rule 10b5-1 trading plans adopted in November of 2024 and August of 2025, which were scheduled to trade during the Issuer's launch of a notes offering. The sales reported in this Form 4 were executed in the open market so as not to coincide with the Issuer's notes offering. The Reporting Person entered into a new Rule 10b5-1 trading plan on December 12, 2025, for purposes of trading from March 16, 2026 to March 16, 2027.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $69.45 to $69.95, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the Staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

On December 2, 2025, the Reporting Person terminated his Rule 10b5-1 trading plans adopted in November of 2024 and August of 2025, which were scheduled to trade during the Issuer's launch of a notes offering. The sales reported in this Form 4 were executed in the open market so as not to coincide with the Issuer's notes offering. The Reporting Person entered into a new Rule 10b5-1 trading plan on December 12, 2025, for purposes of trading from March 16, 2026 to March 16, 2027.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $68.41 to $69.40, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the Staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

These shares were withheld for payment of the withholding taxes upon the immediate vesting of the restricted stock units granted to the Reporting Person on December 8, 2025.

The transaction reported shows the Reporting Person's charitable gift of 130,257 shares of the Issuer's Class A common stock to Renaissance Charitable Foundation, Inc. (and the simultaneous cancellation of the same number of shares of the Issuer's Class C Common stock).

Securities held of record by Rook Holdings, Inc. ("Rook"). The Reporting Person, Mr. Isaacman, is the sole stockholder of Rook and therefore may be deemed to have beneficial ownership with respect to such securities.

Represents an award of restricted stock units, which vested in full on December 8, 2025.

Represents sales pursuant to a Rule 10b5-1 trading plan.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $86.79 to $87.78, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the Staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.