OPTU

SEC source: 0000947871-22-000707 · ownership.xml · derivative · entry 2

Olsen Michael · CIK 0001773608 · EVP, Gen. Counsel & Secy

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 552,373

Underlying: Class A common stock · 552,373 shares

Expires 2031-12-29

F1 · date: This grant was approved by a committee of the board of directors of the Issuer on December 23, 2021, subject to stockholder approval of an amendment to the Amended and Restated Altice USA 2017 Long Term Incentive Plan (the "Plan") under which the grant was made. The Issuer's stockholders approved the amendment to the Plan on June 15, 2022.

F3 · derivative.exercise_date: Represents stock options granted pursuant to the Plan. The stock options vest in equal installments on each of December 29, 2022, 2023 and 2024.

SEC source: 0000947871-22-000707 · ownership.xml · nonDerivative · entry 1

Olsen Michael · CIK 0001773608 · EVP, Gen. Counsel & Secy

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 236,916

F1 · date: This grant was approved by a committee of the board of directors of the Issuer on December 23, 2021, subject to stockholder approval of an amendment to the Amended and Restated Altice USA 2017 Long Term Incentive Plan (the "Plan") under which the grant was made. The Issuer's stockholders approved the amendment to the Plan on June 15, 2022.

F2 · price: Represents restricted share units granted pursuant to the Plan. Each restricted share unit represents a contingent right to receive one share of the Issuer's Class A common stock. The restricted share units vest in equal installments on each of December 29, 2022, 2023 and 2024.

SEC source: 0000947871-22-000706 · ownership.xml · derivative · entry 2

Schmidt Colleen · CIK 0001769422 · EVP Human Resources

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 368,249

Underlying: Class A common stock · 368,249 shares

Expires 2031-12-29

F1 · date: This grant was approved by a committee of the board of directors of the Issuer on December 23, 2021, subject to stockholder approval of an amendment to the Amended and Restated Altice USA 2017 Long Term Incentive Plan (the "Plan") under which the grant was made. The Issuer's stockholders approved the amendment to the Plan on June 15, 2022.

F3 · derivative.exercise_date: Represents stock options granted pursuant to the Plan. The stock options vest in equal installments on each of December 29, 2022, 2023 and 2024.

SEC source: 0000947871-22-000706 · ownership.xml · nonDerivative · entry 1

Schmidt Colleen · CIK 0001769422 · EVP Human Resources

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 366,887

F1 · date: This grant was approved by a committee of the board of directors of the Issuer on December 23, 2021, subject to stockholder approval of an amendment to the Amended and Restated Altice USA 2017 Long Term Incentive Plan (the "Plan") under which the grant was made. The Issuer's stockholders approved the amendment to the Plan on June 15, 2022.

F2 · price: Represents restricted share units granted pursuant to the Plan. Each restricted share unit represents a contingent right to receive one share of the Issuer's Class A common stock. The restricted share units vest in equal installments on each of December 29, 2022, 2023 and 2024.

SEC source: 0000947871-22-000705 · ownership.xml · derivative · entry 2

Grau Michael · CIK 0001792505 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 797,872

Underlying: Class A common stock · 797,872 shares

Expires 2031-12-29

F1 · date: This grant was approved by a committee of the board of directors of the Issuer on December 23, 2021, subject to stockholder approval of an amendment to the Amended and Restated Altice USA 2017 Long Term Incentive Plan (the "Plan") under which the grant was made. The Issuer's stockholders approved the amendment to the Plan on June 15, 2022.

F3 · derivative.exercise_date: Represents stock options granted pursuant to the Plan. The stock options vest in equal installments on each of December 29, 2022, 2023 and 2024.

SEC source: 0000947871-22-000705 · ownership.xml · nonDerivative · entry 1

Grau Michael · CIK 0001792505 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 442,787

F1 · date: This grant was approved by a committee of the board of directors of the Issuer on December 23, 2021, subject to stockholder approval of an amendment to the Amended and Restated Altice USA 2017 Long Term Incentive Plan (the "Plan") under which the grant was made. The Issuer's stockholders approved the amendment to the Plan on June 15, 2022.

F2 · price: Represents restricted share units granted pursuant to the Plan. Each restricted share unit represents a contingent right to receive one share of the Issuer's Class A common stock. The restricted share units vest in equal installments on each of December 29, 2022, 2023 and 2024.

SEC source: 0000947871-22-000624 · ownership.xml · derivative · entry 2

Svider Raymond · CIK 0001467288 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 19,531

Underlying: Class A common stock · 19,531 shares

Expires 2032-04-27

F2 · derivative.exercise_date: Represents stock options granted pursuant to the Plan that are scheduled to vest 50% on April 27, 2023 and 50% on April 27, 2024.

SEC source: 0000947871-22-000624 · ownership.xml · nonDerivative · entry 1

Svider Raymond · CIK 0001467288 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 65,318

F1 · price: Represents restricted share units granted pursuant to the Amended and Restated Altice USA 2017 Long Term Incentive Plan (the "Plan"). Each restricted share unit represents a contingent right to receive one share of the Issuer's Class A common stock. The restricted share units vest 50% on April 27, 2023 and 50% on April 27, 2024.

SEC source: 0000947871-22-000623 · ownership.xml · derivative · entry 2

SCHNABEL SUSAN C · CIK 0001207059 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 19,531

Underlying: Class A common stock · 19,531 shares

Expires 2032-04-27

F2 · derivative.exercise_date: Represents stock options granted pursuant to the Plan that are scheduled to vest 50% on April 27, 2023 and 50% on April 27, 2024.

SEC source: 0000947871-22-000623 · ownership.xml · nonDerivative · entry 1

SCHNABEL SUSAN C · CIK 0001207059 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 26,318

F1 · price: Represents restricted share units granted pursuant to the Amended and Restated Altice USA 2017 Long Term Incentive Plan (the "Plan"). Each restricted share unit represents a contingent right to receive one share of the Issuer's Class A common stock. The restricted share units vest 50% on April 27, 2023 and 50% on April 27, 2024.

SEC source: 0000947871-22-000621 · ownership.xml · derivative · entry 2

Mullen Mark · CIK 0001708875 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 19,531

Underlying: Class A common stock · 19,531 shares

Expires 2032-04-27

F2 · derivative.exercise_date: Represents stock options granted pursuant to the Plan that are scheduled to vest 50% on April 27, 2023 and 50% on April 27, 2024.

SEC source: 0000947871-22-000621 · ownership.xml · nonDerivative · entry 1

Mullen Mark · CIK 0001708875 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,318

F1 · price: Represents restricted share units granted pursuant to the Amended and Restated Altice USA 2017 Long Term Incentive Plan (the "Plan"). Each restricted share unit represents a contingent right to receive one share of the Issuer's Class A common stock. The restricted share units vest 50% on April 27, 2023 and 50% on April 27, 2024.

SEC source: 0000947871-22-000165 · ownership.xml · derivative · entry 5

Goei Dexter · CIK 0001708711 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · LLCs

Disclosed balance after: 0

Underlying: Class A common stock · 1,122,281 shares

Expires not disclosed

F1 · derivative.exercise_price: The reporting person physically settled a Variable Prepaid Forward Transaction entered into on March 22, 2019 (and thereafter amended on December 22, 2020) (the "Transaction") with an unaffiliated bank (the "Bank"). The Transaction related to 2,244,563 shares of Class A common stock of the Issuer (the "Shares") held by the reporting person and was divided into two individual components (each a "Component") designated by two valuation dates, December 21, 2021 and December 22, 2021 (the "Valuation Dates"), with respect to 1,122,282 Shares and 1,122,281 Shares, respectively, (each, the "Component Number of Shares" for the relevant Component).

F2 · derivative.exercise_price: On the settlement date for each Component, the reporting person was obligated to deliver to the Bank a number of Shares determined as follows (or, at the reporting person's election, an equivalent amount in cash on the cash settlement date(s)): (a) if the volume weighted average trading price per Share on the Valuation Date for the relevant Component (the "Settlement Price") is less than a specified price (the "Floor Price"), the Component Number of Shares; (b) if the Settlement Price is greater than the Floor Price but less than or equal to a specified price (the "Cap Price"), the Component Number of Shares multiplied by the Floor Price divided by the Settlement Price; and (c) if the Settlement Price is greater than the Cap Price, the Component Number of Shares multiplied by (1 - ((Cap Price - Floor Price), divided by the Settlement Price)).

F3 · derivative.exercise_price: On March 22, 2019, the reporting person pledged 2,244,563 Shares (the "Pledged Shares") to the Bank to secure its obligations under the Transaction. In exchange for assuming this obligation, the reporting person received an aggregate cash payment equal $43,000,000 upon entry into the Transaction, and an additional $5,809,155 at the time the Transaction was amended. On the Valuation Dates, the Settlement Price was $15.82 and $15.75, respectively. Accordingly, the reporting person transferred to the Bank all of the Component Number of Shares for each Component at settlement, at which time, no Form 4 was previously filed.

F1 · price: The reporting person physically settled a Variable Prepaid Forward Transaction entered into on March 22, 2019 (and thereafter amended on December 22, 2020) (the "Transaction") with an unaffiliated bank (the "Bank"). The Transaction related to 2,244,563 shares of Class A common stock of the Issuer (the "Shares") held by the reporting person and was divided into two individual components (each a "Component") designated by two valuation dates, December 21, 2021 and December 22, 2021 (the "Valuation Dates"), with respect to 1,122,282 Shares and 1,122,281 Shares, respectively, (each, the "Component Number of Shares" for the relevant Component).

F2 · price: On the settlement date for each Component, the reporting person was obligated to deliver to the Bank a number of Shares determined as follows (or, at the reporting person's election, an equivalent amount in cash on the cash settlement date(s)): (a) if the volume weighted average trading price per Share on the Valuation Date for the relevant Component (the "Settlement Price") is less than a specified price (the "Floor Price"), the Component Number of Shares; (b) if the Settlement Price is greater than the Floor Price but less than or equal to a specified price (the "Cap Price"), the Component Number of Shares multiplied by the Floor Price divided by the Settlement Price; and (c) if the Settlement Price is greater than the Cap Price, the Component Number of Shares multiplied by (1 - ((Cap Price - Floor Price), divided by the Settlement Price)).

F3 · price: On March 22, 2019, the reporting person pledged 2,244,563 Shares (the "Pledged Shares") to the Bank to secure its obligations under the Transaction. In exchange for assuming this obligation, the reporting person received an aggregate cash payment equal $43,000,000 upon entry into the Transaction, and an additional $5,809,155 at the time the Transaction was amended. On the Valuation Dates, the Settlement Price was $15.82 and $15.75, respectively. Accordingly, the reporting person transferred to the Bank all of the Component Number of Shares for each Component at settlement, at which time, no Form 4 was previously filed.

F1 · derivative.exercise_date: The reporting person physically settled a Variable Prepaid Forward Transaction entered into on March 22, 2019 (and thereafter amended on December 22, 2020) (the "Transaction") with an unaffiliated bank (the "Bank"). The Transaction related to 2,244,563 shares of Class A common stock of the Issuer (the "Shares") held by the reporting person and was divided into two individual components (each a "Component") designated by two valuation dates, December 21, 2021 and December 22, 2021 (the "Valuation Dates"), with respect to 1,122,282 Shares and 1,122,281 Shares, respectively, (each, the "Component Number of Shares" for the relevant Component).

F2 · derivative.exercise_date: On the settlement date for each Component, the reporting person was obligated to deliver to the Bank a number of Shares determined as follows (or, at the reporting person's election, an equivalent amount in cash on the cash settlement date(s)): (a) if the volume weighted average trading price per Share on the Valuation Date for the relevant Component (the "Settlement Price") is less than a specified price (the "Floor Price"), the Component Number of Shares; (b) if the Settlement Price is greater than the Floor Price but less than or equal to a specified price (the "Cap Price"), the Component Number of Shares multiplied by the Floor Price divided by the Settlement Price; and (c) if the Settlement Price is greater than the Cap Price, the Component Number of Shares multiplied by (1 - ((Cap Price - Floor Price), divided by the Settlement Price)).

F3 · derivative.exercise_date: On March 22, 2019, the reporting person pledged 2,244,563 Shares (the "Pledged Shares") to the Bank to secure its obligations under the Transaction. In exchange for assuming this obligation, the reporting person received an aggregate cash payment equal $43,000,000 upon entry into the Transaction, and an additional $5,809,155 at the time the Transaction was amended. On the Valuation Dates, the Settlement Price was $15.82 and $15.75, respectively. Accordingly, the reporting person transferred to the Bank all of the Component Number of Shares for each Component at settlement, at which time, no Form 4 was previously filed.

F1 · derivative.expiration_date: The reporting person physically settled a Variable Prepaid Forward Transaction entered into on March 22, 2019 (and thereafter amended on December 22, 2020) (the "Transaction") with an unaffiliated bank (the "Bank"). The Transaction related to 2,244,563 shares of Class A common stock of the Issuer (the "Shares") held by the reporting person and was divided into two individual components (each a "Component") designated by two valuation dates, December 21, 2021 and December 22, 2021 (the "Valuation Dates"), with respect to 1,122,282 Shares and 1,122,281 Shares, respectively, (each, the "Component Number of Shares" for the relevant Component).

F2 · derivative.expiration_date: On the settlement date for each Component, the reporting person was obligated to deliver to the Bank a number of Shares determined as follows (or, at the reporting person's election, an equivalent amount in cash on the cash settlement date(s)): (a) if the volume weighted average trading price per Share on the Valuation Date for the relevant Component (the "Settlement Price") is less than a specified price (the "Floor Price"), the Component Number of Shares; (b) if the Settlement Price is greater than the Floor Price but less than or equal to a specified price (the "Cap Price"), the Component Number of Shares multiplied by the Floor Price divided by the Settlement Price; and (c) if the Settlement Price is greater than the Cap Price, the Component Number of Shares multiplied by (1 - ((Cap Price - Floor Price), divided by the Settlement Price)).

F3 · derivative.expiration_date: On March 22, 2019, the reporting person pledged 2,244,563 Shares (the "Pledged Shares") to the Bank to secure its obligations under the Transaction. In exchange for assuming this obligation, the reporting person received an aggregate cash payment equal $43,000,000 upon entry into the Transaction, and an additional $5,809,155 at the time the Transaction was amended. On the Valuation Dates, the Settlement Price was $15.82 and $15.75, respectively. Accordingly, the reporting person transferred to the Bank all of the Component Number of Shares for each Component at settlement, at which time, no Form 4 was previously filed.

SEC source: 0000947871-22-000165 · ownership.xml · nonDerivative · entry 2

Goei Dexter · CIK 0001708711 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · LLCs

Disclosed balance after: 7,753,359

F1 · date: The reporting person physically settled a Variable Prepaid Forward Transaction entered into on March 22, 2019 (and thereafter amended on December 22, 2020) (the "Transaction") with an unaffiliated bank (the "Bank"). The Transaction related to 2,244,563 shares of Class A common stock of the Issuer (the "Shares") held by the reporting person and was divided into two individual components (each a "Component") designated by two valuation dates, December 21, 2021 and December 22, 2021 (the "Valuation Dates"), with respect to 1,122,282 Shares and 1,122,281 Shares, respectively, (each, the "Component Number of Shares" for the relevant Component).

F2 · date: On the settlement date for each Component, the reporting person was obligated to deliver to the Bank a number of Shares determined as follows (or, at the reporting person's election, an equivalent amount in cash on the cash settlement date(s)): (a) if the volume weighted average trading price per Share on the Valuation Date for the relevant Component (the "Settlement Price") is less than a specified price (the "Floor Price"), the Component Number of Shares; (b) if the Settlement Price is greater than the Floor Price but less than or equal to a specified price (the "Cap Price"), the Component Number of Shares multiplied by the Floor Price divided by the Settlement Price; and (c) if the Settlement Price is greater than the Cap Price, the Component Number of Shares multiplied by (1 - ((Cap Price - Floor Price), divided by the Settlement Price)).

F3 · date: On March 22, 2019, the reporting person pledged 2,244,563 Shares (the "Pledged Shares") to the Bank to secure its obligations under the Transaction. In exchange for assuming this obligation, the reporting person received an aggregate cash payment equal $43,000,000 upon entry into the Transaction, and an additional $5,809,155 at the time the Transaction was amended. On the Valuation Dates, the Settlement Price was $15.82 and $15.75, respectively. Accordingly, the reporting person transferred to the Bank all of the Component Number of Shares for each Component at settlement, at which time, no Form 4 was previously filed.

F1 · kind: The reporting person physically settled a Variable Prepaid Forward Transaction entered into on March 22, 2019 (and thereafter amended on December 22, 2020) (the "Transaction") with an unaffiliated bank (the "Bank"). The Transaction related to 2,244,563 shares of Class A common stock of the Issuer (the "Shares") held by the reporting person and was divided into two individual components (each a "Component") designated by two valuation dates, December 21, 2021 and December 22, 2021 (the "Valuation Dates"), with respect to 1,122,282 Shares and 1,122,281 Shares, respectively, (each, the "Component Number of Shares" for the relevant Component).

F2 · kind: On the settlement date for each Component, the reporting person was obligated to deliver to the Bank a number of Shares determined as follows (or, at the reporting person's election, an equivalent amount in cash on the cash settlement date(s)): (a) if the volume weighted average trading price per Share on the Valuation Date for the relevant Component (the "Settlement Price") is less than a specified price (the "Floor Price"), the Component Number of Shares; (b) if the Settlement Price is greater than the Floor Price but less than or equal to a specified price (the "Cap Price"), the Component Number of Shares multiplied by the Floor Price divided by the Settlement Price; and (c) if the Settlement Price is greater than the Cap Price, the Component Number of Shares multiplied by (1 - ((Cap Price - Floor Price), divided by the Settlement Price)).

F3 · kind: On March 22, 2019, the reporting person pledged 2,244,563 Shares (the "Pledged Shares") to the Bank to secure its obligations under the Transaction. In exchange for assuming this obligation, the reporting person received an aggregate cash payment equal $43,000,000 upon entry into the Transaction, and an additional $5,809,155 at the time the Transaction was amended. On the Valuation Dates, the Settlement Price was $15.82 and $15.75, respectively. Accordingly, the reporting person transferred to the Bank all of the Component Number of Shares for each Component at settlement, at which time, no Form 4 was previously filed.

F1 · price: The reporting person physically settled a Variable Prepaid Forward Transaction entered into on March 22, 2019 (and thereafter amended on December 22, 2020) (the "Transaction") with an unaffiliated bank (the "Bank"). The Transaction related to 2,244,563 shares of Class A common stock of the Issuer (the "Shares") held by the reporting person and was divided into two individual components (each a "Component") designated by two valuation dates, December 21, 2021 and December 22, 2021 (the "Valuation Dates"), with respect to 1,122,282 Shares and 1,122,281 Shares, respectively, (each, the "Component Number of Shares" for the relevant Component).

F2 · price: On the settlement date for each Component, the reporting person was obligated to deliver to the Bank a number of Shares determined as follows (or, at the reporting person's election, an equivalent amount in cash on the cash settlement date(s)): (a) if the volume weighted average trading price per Share on the Valuation Date for the relevant Component (the "Settlement Price") is less than a specified price (the "Floor Price"), the Component Number of Shares; (b) if the Settlement Price is greater than the Floor Price but less than or equal to a specified price (the "Cap Price"), the Component Number of Shares multiplied by the Floor Price divided by the Settlement Price; and (c) if the Settlement Price is greater than the Cap Price, the Component Number of Shares multiplied by (1 - ((Cap Price - Floor Price), divided by the Settlement Price)).

F3 · price: On March 22, 2019, the reporting person pledged 2,244,563 Shares (the "Pledged Shares") to the Bank to secure its obligations under the Transaction. In exchange for assuming this obligation, the reporting person received an aggregate cash payment equal $43,000,000 upon entry into the Transaction, and an additional $5,809,155 at the time the Transaction was amended. On the Valuation Dates, the Settlement Price was $15.82 and $15.75, respectively. Accordingly, the reporting person transferred to the Bank all of the Component Number of Shares for each Component at settlement, at which time, no Form 4 was previously filed.

SEC source: 0000947871-22-000165 · ownership.xml · derivative · entry 4

Goei Dexter · CIK 0001708711 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · LLCs

Disclosed balance after: 1,122,281

Underlying: Class A common stock · 1,122,282 shares

Expires not disclosed

F1 · derivative.exercise_price: The reporting person physically settled a Variable Prepaid Forward Transaction entered into on March 22, 2019 (and thereafter amended on December 22, 2020) (the "Transaction") with an unaffiliated bank (the "Bank"). The Transaction related to 2,244,563 shares of Class A common stock of the Issuer (the "Shares") held by the reporting person and was divided into two individual components (each a "Component") designated by two valuation dates, December 21, 2021 and December 22, 2021 (the "Valuation Dates"), with respect to 1,122,282 Shares and 1,122,281 Shares, respectively, (each, the "Component Number of Shares" for the relevant Component).

F2 · derivative.exercise_price: On the settlement date for each Component, the reporting person was obligated to deliver to the Bank a number of Shares determined as follows (or, at the reporting person's election, an equivalent amount in cash on the cash settlement date(s)): (a) if the volume weighted average trading price per Share on the Valuation Date for the relevant Component (the "Settlement Price") is less than a specified price (the "Floor Price"), the Component Number of Shares; (b) if the Settlement Price is greater than the Floor Price but less than or equal to a specified price (the "Cap Price"), the Component Number of Shares multiplied by the Floor Price divided by the Settlement Price; and (c) if the Settlement Price is greater than the Cap Price, the Component Number of Shares multiplied by (1 - ((Cap Price - Floor Price), divided by the Settlement Price)).

F3 · derivative.exercise_price: On March 22, 2019, the reporting person pledged 2,244,563 Shares (the "Pledged Shares") to the Bank to secure its obligations under the Transaction. In exchange for assuming this obligation, the reporting person received an aggregate cash payment equal $43,000,000 upon entry into the Transaction, and an additional $5,809,155 at the time the Transaction was amended. On the Valuation Dates, the Settlement Price was $15.82 and $15.75, respectively. Accordingly, the reporting person transferred to the Bank all of the Component Number of Shares for each Component at settlement, at which time, no Form 4 was previously filed.

F1 · price: The reporting person physically settled a Variable Prepaid Forward Transaction entered into on March 22, 2019 (and thereafter amended on December 22, 2020) (the "Transaction") with an unaffiliated bank (the "Bank"). The Transaction related to 2,244,563 shares of Class A common stock of the Issuer (the "Shares") held by the reporting person and was divided into two individual components (each a "Component") designated by two valuation dates, December 21, 2021 and December 22, 2021 (the "Valuation Dates"), with respect to 1,122,282 Shares and 1,122,281 Shares, respectively, (each, the "Component Number of Shares" for the relevant Component).

F2 · price: On the settlement date for each Component, the reporting person was obligated to deliver to the Bank a number of Shares determined as follows (or, at the reporting person's election, an equivalent amount in cash on the cash settlement date(s)): (a) if the volume weighted average trading price per Share on the Valuation Date for the relevant Component (the "Settlement Price") is less than a specified price (the "Floor Price"), the Component Number of Shares; (b) if the Settlement Price is greater than the Floor Price but less than or equal to a specified price (the "Cap Price"), the Component Number of Shares multiplied by the Floor Price divided by the Settlement Price; and (c) if the Settlement Price is greater than the Cap Price, the Component Number of Shares multiplied by (1 - ((Cap Price - Floor Price), divided by the Settlement Price)).

F3 · price: On March 22, 2019, the reporting person pledged 2,244,563 Shares (the "Pledged Shares") to the Bank to secure its obligations under the Transaction. In exchange for assuming this obligation, the reporting person received an aggregate cash payment equal $43,000,000 upon entry into the Transaction, and an additional $5,809,155 at the time the Transaction was amended. On the Valuation Dates, the Settlement Price was $15.82 and $15.75, respectively. Accordingly, the reporting person transferred to the Bank all of the Component Number of Shares for each Component at settlement, at which time, no Form 4 was previously filed.

F1 · derivative.exercise_date: The reporting person physically settled a Variable Prepaid Forward Transaction entered into on March 22, 2019 (and thereafter amended on December 22, 2020) (the "Transaction") with an unaffiliated bank (the "Bank"). The Transaction related to 2,244,563 shares of Class A common stock of the Issuer (the "Shares") held by the reporting person and was divided into two individual components (each a "Component") designated by two valuation dates, December 21, 2021 and December 22, 2021 (the "Valuation Dates"), with respect to 1,122,282 Shares and 1,122,281 Shares, respectively, (each, the "Component Number of Shares" for the relevant Component).

F2 · derivative.exercise_date: On the settlement date for each Component, the reporting person was obligated to deliver to the Bank a number of Shares determined as follows (or, at the reporting person's election, an equivalent amount in cash on the cash settlement date(s)): (a) if the volume weighted average trading price per Share on the Valuation Date for the relevant Component (the "Settlement Price") is less than a specified price (the "Floor Price"), the Component Number of Shares; (b) if the Settlement Price is greater than the Floor Price but less than or equal to a specified price (the "Cap Price"), the Component Number of Shares multiplied by the Floor Price divided by the Settlement Price; and (c) if the Settlement Price is greater than the Cap Price, the Component Number of Shares multiplied by (1 - ((Cap Price - Floor Price), divided by the Settlement Price)).

F3 · derivative.exercise_date: On March 22, 2019, the reporting person pledged 2,244,563 Shares (the "Pledged Shares") to the Bank to secure its obligations under the Transaction. In exchange for assuming this obligation, the reporting person received an aggregate cash payment equal $43,000,000 upon entry into the Transaction, and an additional $5,809,155 at the time the Transaction was amended. On the Valuation Dates, the Settlement Price was $15.82 and $15.75, respectively. Accordingly, the reporting person transferred to the Bank all of the Component Number of Shares for each Component at settlement, at which time, no Form 4 was previously filed.

F1 · derivative.expiration_date: The reporting person physically settled a Variable Prepaid Forward Transaction entered into on March 22, 2019 (and thereafter amended on December 22, 2020) (the "Transaction") with an unaffiliated bank (the "Bank"). The Transaction related to 2,244,563 shares of Class A common stock of the Issuer (the "Shares") held by the reporting person and was divided into two individual components (each a "Component") designated by two valuation dates, December 21, 2021 and December 22, 2021 (the "Valuation Dates"), with respect to 1,122,282 Shares and 1,122,281 Shares, respectively, (each, the "Component Number of Shares" for the relevant Component).

F2 · derivative.expiration_date: On the settlement date for each Component, the reporting person was obligated to deliver to the Bank a number of Shares determined as follows (or, at the reporting person's election, an equivalent amount in cash on the cash settlement date(s)): (a) if the volume weighted average trading price per Share on the Valuation Date for the relevant Component (the "Settlement Price") is less than a specified price (the "Floor Price"), the Component Number of Shares; (b) if the Settlement Price is greater than the Floor Price but less than or equal to a specified price (the "Cap Price"), the Component Number of Shares multiplied by the Floor Price divided by the Settlement Price; and (c) if the Settlement Price is greater than the Cap Price, the Component Number of Shares multiplied by (1 - ((Cap Price - Floor Price), divided by the Settlement Price)).

F3 · derivative.expiration_date: On March 22, 2019, the reporting person pledged 2,244,563 Shares (the "Pledged Shares") to the Bank to secure its obligations under the Transaction. In exchange for assuming this obligation, the reporting person received an aggregate cash payment equal $43,000,000 upon entry into the Transaction, and an additional $5,809,155 at the time the Transaction was amended. On the Valuation Dates, the Settlement Price was $15.82 and $15.75, respectively. Accordingly, the reporting person transferred to the Bank all of the Component Number of Shares for each Component at settlement, at which time, no Form 4 was previously filed.

SEC source: 0000947871-22-000165 · ownership.xml · nonDerivative · entry 1

Goei Dexter · CIK 0001708711 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · LLCs

Disclosed balance after: 8,875,640

F1 · date: The reporting person physically settled a Variable Prepaid Forward Transaction entered into on March 22, 2019 (and thereafter amended on December 22, 2020) (the "Transaction") with an unaffiliated bank (the "Bank"). The Transaction related to 2,244,563 shares of Class A common stock of the Issuer (the "Shares") held by the reporting person and was divided into two individual components (each a "Component") designated by two valuation dates, December 21, 2021 and December 22, 2021 (the "Valuation Dates"), with respect to 1,122,282 Shares and 1,122,281 Shares, respectively, (each, the "Component Number of Shares" for the relevant Component).

F2 · date: On the settlement date for each Component, the reporting person was obligated to deliver to the Bank a number of Shares determined as follows (or, at the reporting person's election, an equivalent amount in cash on the cash settlement date(s)): (a) if the volume weighted average trading price per Share on the Valuation Date for the relevant Component (the "Settlement Price") is less than a specified price (the "Floor Price"), the Component Number of Shares; (b) if the Settlement Price is greater than the Floor Price but less than or equal to a specified price (the "Cap Price"), the Component Number of Shares multiplied by the Floor Price divided by the Settlement Price; and (c) if the Settlement Price is greater than the Cap Price, the Component Number of Shares multiplied by (1 - ((Cap Price - Floor Price), divided by the Settlement Price)).

F3 · date: On March 22, 2019, the reporting person pledged 2,244,563 Shares (the "Pledged Shares") to the Bank to secure its obligations under the Transaction. In exchange for assuming this obligation, the reporting person received an aggregate cash payment equal $43,000,000 upon entry into the Transaction, and an additional $5,809,155 at the time the Transaction was amended. On the Valuation Dates, the Settlement Price was $15.82 and $15.75, respectively. Accordingly, the reporting person transferred to the Bank all of the Component Number of Shares for each Component at settlement, at which time, no Form 4 was previously filed.

F1 · kind: The reporting person physically settled a Variable Prepaid Forward Transaction entered into on March 22, 2019 (and thereafter amended on December 22, 2020) (the "Transaction") with an unaffiliated bank (the "Bank"). The Transaction related to 2,244,563 shares of Class A common stock of the Issuer (the "Shares") held by the reporting person and was divided into two individual components (each a "Component") designated by two valuation dates, December 21, 2021 and December 22, 2021 (the "Valuation Dates"), with respect to 1,122,282 Shares and 1,122,281 Shares, respectively, (each, the "Component Number of Shares" for the relevant Component).

F2 · kind: On the settlement date for each Component, the reporting person was obligated to deliver to the Bank a number of Shares determined as follows (or, at the reporting person's election, an equivalent amount in cash on the cash settlement date(s)): (a) if the volume weighted average trading price per Share on the Valuation Date for the relevant Component (the "Settlement Price") is less than a specified price (the "Floor Price"), the Component Number of Shares; (b) if the Settlement Price is greater than the Floor Price but less than or equal to a specified price (the "Cap Price"), the Component Number of Shares multiplied by the Floor Price divided by the Settlement Price; and (c) if the Settlement Price is greater than the Cap Price, the Component Number of Shares multiplied by (1 - ((Cap Price - Floor Price), divided by the Settlement Price)).

F3 · kind: On March 22, 2019, the reporting person pledged 2,244,563 Shares (the "Pledged Shares") to the Bank to secure its obligations under the Transaction. In exchange for assuming this obligation, the reporting person received an aggregate cash payment equal $43,000,000 upon entry into the Transaction, and an additional $5,809,155 at the time the Transaction was amended. On the Valuation Dates, the Settlement Price was $15.82 and $15.75, respectively. Accordingly, the reporting person transferred to the Bank all of the Component Number of Shares for each Component at settlement, at which time, no Form 4 was previously filed.

F1 · price: The reporting person physically settled a Variable Prepaid Forward Transaction entered into on March 22, 2019 (and thereafter amended on December 22, 2020) (the "Transaction") with an unaffiliated bank (the "Bank"). The Transaction related to 2,244,563 shares of Class A common stock of the Issuer (the "Shares") held by the reporting person and was divided into two individual components (each a "Component") designated by two valuation dates, December 21, 2021 and December 22, 2021 (the "Valuation Dates"), with respect to 1,122,282 Shares and 1,122,281 Shares, respectively, (each, the "Component Number of Shares" for the relevant Component).

F2 · price: On the settlement date for each Component, the reporting person was obligated to deliver to the Bank a number of Shares determined as follows (or, at the reporting person's election, an equivalent amount in cash on the cash settlement date(s)): (a) if the volume weighted average trading price per Share on the Valuation Date for the relevant Component (the "Settlement Price") is less than a specified price (the "Floor Price"), the Component Number of Shares; (b) if the Settlement Price is greater than the Floor Price but less than or equal to a specified price (the "Cap Price"), the Component Number of Shares multiplied by the Floor Price divided by the Settlement Price; and (c) if the Settlement Price is greater than the Cap Price, the Component Number of Shares multiplied by (1 - ((Cap Price - Floor Price), divided by the Settlement Price)).

F3 · price: On March 22, 2019, the reporting person pledged 2,244,563 Shares (the "Pledged Shares") to the Bank to secure its obligations under the Transaction. In exchange for assuming this obligation, the reporting person received an aggregate cash payment equal $43,000,000 upon entry into the Transaction, and an additional $5,809,155 at the time the Transaction was amended. On the Valuation Dates, the Settlement Price was $15.82 and $15.75, respectively. Accordingly, the reporting person transferred to the Bank all of the Component Number of Shares for each Component at settlement, at which time, no Form 4 was previously filed.

SEC source: 0000947871-21-001297 · ownership.xml · nonDerivative · entry 1

Mullen Mark · CIK 0001708875 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,500

SEC source: 0000947871-22-000025 · ownership.xml · nonDerivative · entry 2

Mullen Mark · CIK 0001708875 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

SEC source: 0000947871-21-001277 · ownership.xml · nonDerivative · entry 2

SCHNABEL SUSAN C · CIK 0001207059 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,000

SEC source: 0000947871-21-001277 · ownership.xml · nonDerivative · entry 1

SCHNABEL SUSAN C · CIK 0001207059 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,000

SEC source: 0000947871-21-001229 · ownership.xml · nonDerivative · entry 2

Bakker Gerrit Jan · CIK 0001743436 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 48,451

SEC source: 0000947871-21-001229 · ownership.xml · nonDerivative · entry 1

Bakker Gerrit Jan · CIK 0001743436 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 43,451

SEC source: 0000947871-21-001210 · ownership.xml · nonDerivative · entry 1

Svider Raymond · CIK 0001467288 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 59,000

F1 · price: Represents the weighted average purchase price of the shares purchased ranging from a low of $16.81 to a high of $17.00 per share. The Reporting Person undertakes, upon request by the Commission staff, the Issuer or a security holder of the Issuer, to provide full information regarding the number of shares purchased at each separate price.

SEC source: 0000947871-21-001211 · ownership.xml · nonDerivative · entry 1

Bakker Gerrit Jan · CIK 0001743436 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 40,951

SEC source: 0000947871-21-001161 · ownership.xml · nonDerivative · entry 1

Bakker Gerrit Jan · CIK 0001743436 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 35,951

F1 · price: Represents the weighted average purchase price of the shares purchased ranging from a low of $17.00 to a high of $17.50 per share. The Reporting Person undertakes, upon request by the Commission staff, the Issuer or a security holder of the Issuer, to provide full information regarding the number of shares purchased at each separate price.

SEC source: 0000947871-21-001130 · ownership.xml · nonDerivative · entry 1

Olsen Michael · CIK 0001773608 · EVP, Gen. Counsel & Secy

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 23,038

F1 · kind: The sale reported in this Form 4 was effected pursuant to the Rule 10b5-1 trading plan established by the Reporting Person on February 10, 2021.

SEC source: 0000947871-21-001038 · ownership.xml · nonDerivative · entry 1

Olsen Michael · CIK 0001773608 · EVP, Gen. Counsel & Secy

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 26,038

F1 · kind: The sale reported in this Form 4 was effected pursuant to the Rule 10b5-1 trading plan established by the Reporting Person on February 10, 2021.

SEC source: 0000947871-21-000977 · ownership.xml · nonDerivative · entry 1

Olsen Michael · CIK 0001773608 · EVP, Gen. Counsel & Secy

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 29,038

F1 · kind: The sale reported in this Form 4 was effected pursuant to the Rule 10b5-1 trading plan established by the Reporting Person on February 10, 2021.

SEC source: 0000947871-21-000867 · ownership.xml · nonDerivative · entry 1

Olsen Michael · CIK 0001773608 · EVP, Gen. Counsel & Secy

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 32,038

F1 · kind: The sale reported in this Form 4 was effected pursuant to the Rule 10b5-1 trading plan established by the Reporting Person on February 10, 2021.

SEC source: 0000947871-21-000742 · ownership.xml · nonDerivative · entry 1

Olsen Michael · CIK 0001773608 · EVP, Gen. Counsel & Secy

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 35,038

F1 · kind: The sale reported in this Form 4 was effected pursuant to the Rule 10b5-1 trading plan established by the Reporting Person on February 10, 2021.

SEC source: 0000947871-21-000746 · ownership.xml · derivative · entry 1

SCHNABEL SUSAN C · CIK 0001207059 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,333

Underlying: Class A common stock · 8,333 shares

Expires 2031-06-30

F1 · derivative.exercise_date: These Options were granted under the Altice USA Long Term Incentive Plan and are scheduled to vest 50% on April 28, 2022 and 50% on April 28, 2023.

SEC source: 0000947871-21-000659 · ownership.xml · nonDerivative · entry 1

Olsen Michael · CIK 0001773608 · EVP, Gen. Counsel & Secy

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 38,038

F1 · kind: The sale reported in this Form 4 was effected pursuant to the Rule 10b5-1 trading plan established by the Reporting Person on February 10, 2021.

SEC source: 0000919574-21-003935 · ownership.xml · nonDerivative · entry 1

Soroban Opportunities Master Fund LP · CIK 0001838629 · 10% owner

Soroban Capital GP LLC · CIK 0001838122 · 10% owner

Soroban Capital Partners LP · CIK 0001517857 · 10% owner

Soroban Capital Partners GP LLC · CIK 0001838121 · 10% owner

MANDELBLATT ERIC · CIK 0001601865 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 27,000,000

F1 · ownership.direct: The reported shares are held in the account of Soroban Opportunities Master Fund LP, which is a reporting person. Soroban Capital GP LLC may be deemed to beneficially own the reported shares by virtue of its role as general partner of Soroban Opportunities Master Fund LP. Soroban Capital Partners LP may be deemed to beneficially own the reported shares by virtue of its role as investment manager of Soroban Opportunities Master Fund LP. Soroban Capital Partners GP LLC may be deemed to beneficially own the reported shares by virtue of its role as general partner of Soroban Capital Partners LP. Eric W. Mandelblatt may be deemed to beneficially own the reported shares by virtue of his role as Managing Partner of Soroban Capital Partners GP LLC. Each of Soroban Capital GP LLC, Soroban Capital Partners LP, Soroban Capital Partners GP LLC and Eric W. Mandelblatt disclaim beneficial ownership of the reported shares except to the extent of his or its pecuniary interest.

SEC source: 0001567619-21-011294 · doc1.xml · derivative · entry 7

Next Alt S.a.r.l. · CIK 0001709662 · Director · 10% owner

Drahi Patrick · CIK 0001709689 · 10% owner

A4 S.A. · CIK 0001709665 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · Uppernext S.C.S.p

Disclosed balance after: 0

Underlying: Class A common stock · 600,604 shares

Expires 2027-12-30

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 · ownership.nature: Next Alt S.a r.l. ("Next Alt") is an indirect wholly-owned and controlled personal holding company of Patrick Drahi. Uppernext S.C.S.p ("Uppernext") is a wholly-owned and controlled personal holding company of Patrick Drahi. Mr. Drahi may be deemed to beneficially own shares of the Issuer held by Next Alt and Uppernext.

F4 · ownership.nature: Each Reporting Person disclaims beneficial ownership of all interests reported on this Form 4 except to the extent of such Reporting Person's pecuniary interests.

SEC source: 0001567619-21-011294 · doc1.xml · nonDerivative · entry 4

Next Alt S.a.r.l. · CIK 0001709662 · Director · 10% owner

Drahi Patrick · CIK 0001709689 · 10% owner

A4 S.A. · CIK 0001709665 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · Uppernext S.C.S.p

Disclosed balance after: 6,343,893

F1 · ownership.nature: Next Alt S.a r.l. ("Next Alt") is an indirect wholly-owned and controlled personal holding company of Patrick Drahi. Uppernext S.C.S.p ("Uppernext") is a wholly-owned and controlled personal holding company of Patrick Drahi. Mr. Drahi may be deemed to beneficially own shares of the Issuer held by Next Alt and Uppernext.

F4 · ownership.nature: Each Reporting Person disclaims beneficial ownership of all interests reported on this Form 4 except to the extent of such Reporting Person's pecuniary interests.

SEC source: 0001567619-21-011294 · doc1.xml · nonDerivative · entry 3

Next Alt S.a.r.l. · CIK 0001709662 · Director · 10% owner

Drahi Patrick · CIK 0001709689 · 10% owner

A4 S.A. · CIK 0001709665 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · Uppernext S.C.S.p

Disclosed balance after: 6,631,501

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 · ownership.nature: Next Alt S.a r.l. ("Next Alt") is an indirect wholly-owned and controlled personal holding company of Patrick Drahi. Uppernext S.C.S.p ("Uppernext") is a wholly-owned and controlled personal holding company of Patrick Drahi. Mr. Drahi may be deemed to beneficially own shares of the Issuer held by Next Alt and Uppernext.

F4 · ownership.nature: Each Reporting Person disclaims beneficial ownership of all interests reported on this Form 4 except to the extent of such Reporting Person's pecuniary interests.

SEC source: 0001567619-21-011294 · doc1.xml · nonDerivative · entry 2

Next Alt S.a.r.l. · CIK 0001709662 · Director · 10% owner

Drahi Patrick · CIK 0001709689 · 10% owner

A4 S.A. · CIK 0001709665 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 33,159,144

F5 · kind: Shares were disposed of in a private transaction to satisfy a monetary obligation of Next Alt.

SEC source: 0001567619-21-011294 · doc1.xml · nonDerivative · entry 1

Next Alt S.a.r.l. · CIK 0001709662 · Director · 10% owner

Drahi Patrick · CIK 0001709689 · 10% owner

A4 S.A. · CIK 0001709665 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 34,719,305

SEC source: 0000947871-21-000636 · ownership.xml · nonDerivative · entry 1

Grau Michael · CIK 0001792505 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 133,852

F1 · price: Represents the weighted average sales price of the shares sold ranging from a low of $36.81 to a high of $36.94 per share. The Reporting Person undertakes, upon request by the Commission staff, the Issuer or a security holder of the Issuer, to provide full information regarding the number of shares sold at each separate price.

SEC source: 0000919574-21-003843 · ownership.xml · derivative · entry 1

Soroban Opportunities Master Fund LP · CIK 0001838629 · 10% owner

Soroban Capital GP LLC · CIK 0001838122 · 10% owner

Soroban Capital Partners LP · CIK 0001517857 · 10% owner

Soroban Capital Partners GP LLC · CIK 0001838121 · 10% owner

MANDELBLATT ERIC · CIK 0001601865 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A-Common Stock, par-value $0.01 per share · Not disclosed shares

Expires 2021-05-21

F2 · kind: Soroban Opportunities Master Fund LP exercised European-style cash-settled call options referencing an aggregate of 833,300 shares of Class A Common Stock, par value $0.01 per share with a strike price of $35.00 per share that settled May 21, 2021. The call options settled for cash and did not give Soroban Opportunities Master Fund LP direct or indirect voting, investment or dispositive control over any securities of Altice USA, Inc. and did not permit Soroban Opportunities Master Fund LP to exercise such cash-settled call options and receive shares of Altice USA, Inc.

F2 · shares: Soroban Opportunities Master Fund LP exercised European-style cash-settled call options referencing an aggregate of 833,300 shares of Class A Common Stock, par value $0.01 per share with a strike price of $35.00 per share that settled May 21, 2021. The call options settled for cash and did not give Soroban Opportunities Master Fund LP direct or indirect voting, investment or dispositive control over any securities of Altice USA, Inc. and did not permit Soroban Opportunities Master Fund LP to exercise such cash-settled call options and receive shares of Altice USA, Inc.

F2 · derivative.underlying: Soroban Opportunities Master Fund LP exercised European-style cash-settled call options referencing an aggregate of 833,300 shares of Class A Common Stock, par value $0.01 per share with a strike price of $35.00 per share that settled May 21, 2021. The call options settled for cash and did not give Soroban Opportunities Master Fund LP direct or indirect voting, investment or dispositive control over any securities of Altice USA, Inc. and did not permit Soroban Opportunities Master Fund LP to exercise such cash-settled call options and receive shares of Altice USA, Inc.

F2 · underlyingValue: Soroban Opportunities Master Fund LP exercised European-style cash-settled call options referencing an aggregate of 833,300 shares of Class A Common Stock, par value $0.01 per share with a strike price of $35.00 per share that settled May 21, 2021. The call options settled for cash and did not give Soroban Opportunities Master Fund LP direct or indirect voting, investment or dispositive control over any securities of Altice USA, Inc. and did not permit Soroban Opportunities Master Fund LP to exercise such cash-settled call options and receive shares of Altice USA, Inc.

F2 · balance_after: Soroban Opportunities Master Fund LP exercised European-style cash-settled call options referencing an aggregate of 833,300 shares of Class A Common Stock, par value $0.01 per share with a strike price of $35.00 per share that settled May 21, 2021. The call options settled for cash and did not give Soroban Opportunities Master Fund LP direct or indirect voting, investment or dispositive control over any securities of Altice USA, Inc. and did not permit Soroban Opportunities Master Fund LP to exercise such cash-settled call options and receive shares of Altice USA, Inc.

F1 · ownership.direct: The reported call options were held in the account of Soroban Opportunities Master Fund LP. Soroban Capital GP LLC may be deemed to have beneficially owned the reported call options by virtue of its role as general partner of Soroban Opportunities Master Fund LP. Soroban Capital Partners LP may be deemed to have beneficially owned the reported call options by virtue of its role as investment manager of Soroban Opportunities Master Fund LP. Soroban Capital Partners GP LLC may be deemed to have beneficially owned the reported call options by virtue of its role as general partner of Soroban Capital Partners LP. Eric W. Mandelblatt may be deemed to have beneficially owned the reported call options by virtue of his role as Managing Partner of Soroban Capital Partners GP LLC.

F2 · ownership.direct: Soroban Opportunities Master Fund LP exercised European-style cash-settled call options referencing an aggregate of 833,300 shares of Class A Common Stock, par value $0.01 per share with a strike price of $35.00 per share that settled May 21, 2021. The call options settled for cash and did not give Soroban Opportunities Master Fund LP direct or indirect voting, investment or dispositive control over any securities of Altice USA, Inc. and did not permit Soroban Opportunities Master Fund LP to exercise such cash-settled call options and receive shares of Altice USA, Inc.

F3 · ownership.direct: Each of Soroban Capital GP LLC, Soroban Capital Partners LP, Soroban Capital Partners GP LLC and Eric W. Mandelblatt disclaim beneficial ownership of the reported call options except to the extent of his or its pecuniary interest.

SEC source: 0000947871-21-000503 · ownership.xml · derivative · entry 6

Stewart Charles · CIK 0001708800 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A common stock · 12,922 shares

Expires 2027-12-30

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.

SEC source: 0000947871-21-000503 · ownership.xml · nonDerivative · entry 4

Stewart Charles · CIK 0001708800 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,355,485

F2 · price: Represents the weighted average sales price of the shares sold ranging from a low of $36.93 to a high of $36.97 per share. The Reporting Person undertakes, upon request by the Commission staff, the Issuer or a security holder of the Issuer, to provide full information regarding the number of shares sold at each separate price.

SEC source: 0000947871-21-000503 · ownership.xml · nonDerivative · entry 3

Stewart Charles · CIK 0001708800 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,368,407

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.

SEC source: 0000947871-21-000503 · ownership.xml · derivative · entry 5

Stewart Charles · CIK 0001708800 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,922

Underlying: Class A common stock · 117,934 shares

Expires 2027-12-30

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.

SEC source: 0000947871-21-000503 · ownership.xml · nonDerivative · entry 2

Stewart Charles · CIK 0001708800 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,355,485

F1 · price: Represents the weighted average sales price of the shares sold ranging from a low of $36.30 to a high of $36.32 per share. The Reporting Person undertakes, upon request by the Commission staff, the Issuer or a security holder of the Issuer, to provide full information regarding the number of shares sold at each separate price.

SEC source: 0000947871-21-000503 · ownership.xml · nonDerivative · entry 1

Stewart Charles · CIK 0001708800 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,473,419

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.

SEC source: 0000947871-21-000488 · ownership.xml · derivative · entry 6

Stewart Charles · CIK 0001708800 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 130,856

Underlying: Class A common stock · 93,375 shares

Expires 2027-12-30

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.

SEC source: 0000947871-21-000488 · ownership.xml · nonDerivative · entry 4

Stewart Charles · CIK 0001708800 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,355,485

F2 · price: Represents the weighted average sales price of the shares sold ranging from a low of $36.30 to a high of $36.35 per share. The Reporting Person undertakes, upon request by the Commission staff, the Issuer or a security holder of the Issuer, to provide full information regarding the number of shares sold at each separate price.

SEC source: 0000947871-21-000488 · ownership.xml · nonDerivative · entry 3

Stewart Charles · CIK 0001708800 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,448,860

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.

SEC source: 0000947871-21-000477 · ownership.xml · nonDerivative · entry 2

Olsen Michael · CIK 0001773608 · EVP, Gen. Counsel & Secy

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 41,038

F1 · kind: The sale reported in this Form 4 was effected pursuant to the Rule 10b5-1 trading plan established by the Reporting Person on February 10, 2021.