A4 S.A.

SEC source: 0000947871-19-000696 · ownership.xml · nonDerivative · entry 1

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

Drahi Patrick · CIK 0001709689 · Director · 10% owner

A4 S.A. · CIK 0001709665 · Director

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

10b5-1 filing: Not disclosed

Ownership: Indirect · CVC 3 B.V.

Disclosed balance after: 11,858,339

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 · price: Class A Units represent a contingent right to receive shares of Class A common stock of the Issuer in the discretion of Neptune Holding US GP LLC. At the time a portion of this derivative security was converted to Class A common stock, as reported on this Form 4, another portion of this derivative security was canceled for no consideration due to other distributions of Class A common stock by Neptune Holding US Limited Partnership.

F2 · ownership.nature: Next Alt S.a r.l. ("Next Alt") is a personal holding company of Mr. Drahi, who is its controlling shareholder. As of the date of this report, Next Alt is the holder of 75.06% of the share capital and voting rights of Altice Europe N.V. Altice Europe N.V. maintains a one-tier board of four executive board members, one of whom is Mr. Drahi, and four non-executive board members. The executive board members are appointed by shareholders at the general meeting at the binding nomination of Next Alt. CVC 3 B.V. ("CVC 3") is wholly owned by Altice Europe N.V. Mr. Drahi, Next Alt and Altice Europe N.V. may each be deemed to beneficially own the shares of the Issuer owned by CVC 3.

F3 · ownership.nature: Mr. Drahi is the sole controlling shareholder of Uppernext S.C.S.p ("Uppernext"). As such, Mr. Drahi may be deemed to beneficially own shares of the Issuer held by Uppernext. A4 S.A., which is controlled by the family of Mr. Drahi, is an executive board member of Altice Europe N.V. Mr. Drahi is a director of the Issuer and Next Alt and A4 S.A. are parties to a stockholders agreement with the Issuer pursuant to which they have certain rights to appoint directors of the Issuer.

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: 0000947871-19-000606 · ownership.xml · nonDerivative · entry 2

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

Drahi Patrick · CIK 0001709689 · Director · 10% owner

A4 S.A. · CIK 0001709665 · Director

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 47,369,305

SEC source: 0000947871-19-000556 · ownership.xml · derivative · entry 5

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

Drahi Patrick · CIK 0001709689 · Director · 10% owner

A4 S.A. · CIK 0001709665 · Director

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

10b5-1 filing: Not disclosed

Ownership: Indirect · CVC 3 B.V.

Disclosed balance after: 21,009,373

Underlying: Class A common stock · 60,489 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.

F1 · derivative.exercise_price: Class A Units represent a contingent right to receive shares of Class A common stock of the Issuer in the discretion of Neptune Holding US GP LLC. At the time a portion of this derivative security was converted to Class A common stock, as reported on this Form 4, another portion of this derivative security was canceled for no consideration due to other distributions of Class A common stock by Neptune Holding US Limited Partnership.

F1 · derivative.exercise_date: Class A Units represent a contingent right to receive shares of Class A common stock of the Issuer in the discretion of Neptune Holding US GP LLC. At the time a portion of this derivative security was converted to Class A common stock, as reported on this Form 4, another portion of this derivative security was canceled for no consideration due to other distributions of Class A common stock by Neptune Holding US Limited Partnership.

F1 · derivative.expiration_date: Class A Units represent a contingent right to receive shares of Class A common stock of the Issuer in the discretion of Neptune Holding US GP LLC. At the time a portion of this derivative security was converted to Class A common stock, as reported on this Form 4, another portion of this derivative security was canceled for no consideration due to other distributions of Class A common stock by Neptune Holding US Limited Partnership.

F2 · ownership.nature: Next Alt S.a r.l. ("Next Alt") is a personal holding company of Mr. Drahi, who is its controlling shareholder. As of the date of this report, Next Alt is the holder of 75.06% of the share capital and voting rights of Altice Europe N.V. Altice Europe N.V. maintains a one-tier board of four executive board members, one of whom is Mr. Drahi, and four non-executive board members. The executive board members are appointed by shareholders at the general meeting at the binding nomination of Next Alt. CVC 3 B.V. ("CVC 3") is wholly owned by Altice Europe N.V. Mr. Drahi, Next Alt and Altice Europe N.V. may each be deemed to beneficially own the shares of the Issuer owned by CVC 3.

F3 · ownership.nature: Mr. Drahi is the sole controlling shareholder of Uppernext S.C.S.p ("Uppernext"). As such, Mr. Drahi may be deemed to beneficially own shares of the Issuer held by Uppernext. A4 S.A., which is controlled by the family of Mr. Drahi, is an executive board member of Altice Europe N.V. Mr. Drahi is a director of the Issuer and Next Alt and A4 S.A. are parties to a stockholders agreement with the Issuer pursuant to which they have certain rights to appoint directors of the Issuer.

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: 0000947871-19-000556 · ownership.xml · nonDerivative · entry 1

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

Drahi Patrick · CIK 0001709689 · Director · 10% owner

A4 S.A. · CIK 0001709665 · Director

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

10b5-1 filing: Not disclosed

Ownership: Indirect · CVC 3 B.V.

Disclosed balance after: 11,822,795

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 · price: Class A Units represent a contingent right to receive shares of Class A common stock of the Issuer in the discretion of Neptune Holding US GP LLC. At the time a portion of this derivative security was converted to Class A common stock, as reported on this Form 4, another portion of this derivative security was canceled for no consideration due to other distributions of Class A common stock by Neptune Holding US Limited Partnership.

F2 · ownership.nature: Next Alt S.a r.l. ("Next Alt") is a personal holding company of Mr. Drahi, who is its controlling shareholder. As of the date of this report, Next Alt is the holder of 75.06% of the share capital and voting rights of Altice Europe N.V. Altice Europe N.V. maintains a one-tier board of four executive board members, one of whom is Mr. Drahi, and four non-executive board members. The executive board members are appointed by shareholders at the general meeting at the binding nomination of Next Alt. CVC 3 B.V. ("CVC 3") is wholly owned by Altice Europe N.V. Mr. Drahi, Next Alt and Altice Europe N.V. may each be deemed to beneficially own the shares of the Issuer owned by CVC 3.

F3 · ownership.nature: Mr. Drahi is the sole controlling shareholder of Uppernext S.C.S.p ("Uppernext"). As such, Mr. Drahi may be deemed to beneficially own shares of the Issuer held by Uppernext. A4 S.A., which is controlled by the family of Mr. Drahi, is an executive board member of Altice Europe N.V. Mr. Drahi is a director of the Issuer and Next Alt and A4 S.A. are parties to a stockholders agreement with the Issuer pursuant to which they have certain rights to appoint directors of the Issuer.

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: 0000947871-19-000500 · ownership.xml · derivative · entry 5

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

Drahi Patrick · CIK 0001709689 · Director · 10% owner

A4 S.A. · CIK 0001709665 · Director

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

10b5-1 filing: Not disclosed

Ownership: Indirect · CVC 3 B.V.

Disclosed balance after: 21,163,230

Underlying: Class A common stock · 36,474 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.

F1 · derivative.exercise_price: Class A Units represent a contingent right to receive shares of Class A common stock of the Issuer in the discretion of Neptune Holding US GP LLC. At the time a portion of this derivative security was converted to Class A common stock, as reported on this Form 4, another portion of this derivative security was canceled for no consideration due to other distributions of Class A common stock by Neptune Holding US Limited Partnership.

F1 · derivative.exercise_date: Class A Units represent a contingent right to receive shares of Class A common stock of the Issuer in the discretion of Neptune Holding US GP LLC. At the time a portion of this derivative security was converted to Class A common stock, as reported on this Form 4, another portion of this derivative security was canceled for no consideration due to other distributions of Class A common stock by Neptune Holding US Limited Partnership.

F1 · derivative.expiration_date: Class A Units represent a contingent right to receive shares of Class A common stock of the Issuer in the discretion of Neptune Holding US GP LLC. At the time a portion of this derivative security was converted to Class A common stock, as reported on this Form 4, another portion of this derivative security was canceled for no consideration due to other distributions of Class A common stock by Neptune Holding US Limited Partnership.

F2 · ownership.nature: Next Alt S.a r.l. ("Next Alt") is a personal holding company of Mr. Drahi, who is its controlling shareholder. As of the date of this report, Next Alt is the holder of 75.06% of the share capital and voting rights of Altice Europe N.V. Altice Europe N.V. maintains a one-tier board of four executive board members, one of whom is Mr. Drahi, and four non-executive board members. The executive board members are appointed by shareholders at the general meeting at the binding nomination of Next Alt. CVC 3 B.V. ("CVC 3") is wholly owned by Altice Europe N.V. Mr. Drahi, Next Alt and Altice Europe N.V. may each be deemed to beneficially own the shares of the Issuer owned by CVC 3.

F3 · ownership.nature: Mr. Drahi is the sole controlling shareholder of Uppernext S.C.S.p ("Uppernext"). As such, Mr. Drahi may be deemed to beneficially own shares of the Issuer held by Uppernext. A4 S.A., which is controlled by the family of Mr. Drahi, is an executive board member of Altice Europe N.V. Mr. Drahi is a director of the Issuer and Next Alt and A4 S.A. are parties to a stockholders agreement with the Issuer pursuant to which they have certain rights to appoint directors of the Issuer.

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: 0000947871-19-000500 · ownership.xml · nonDerivative · entry 1

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

Drahi Patrick · CIK 0001709689 · Director · 10% owner

A4 S.A. · CIK 0001709665 · Director

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

10b5-1 filing: Not disclosed

Ownership: Indirect · CVC 3 B.V.

Disclosed balance after: 11,762,306

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 · price: Class A Units represent a contingent right to receive shares of Class A common stock of the Issuer in the discretion of Neptune Holding US GP LLC. At the time a portion of this derivative security was converted to Class A common stock, as reported on this Form 4, another portion of this derivative security was canceled for no consideration due to other distributions of Class A common stock by Neptune Holding US Limited Partnership.

F2 · ownership.nature: Next Alt S.a r.l. ("Next Alt") is a personal holding company of Mr. Drahi, who is its controlling shareholder. As of the date of this report, Next Alt is the holder of 75.06% of the share capital and voting rights of Altice Europe N.V. Altice Europe N.V. maintains a one-tier board of four executive board members, one of whom is Mr. Drahi, and four non-executive board members. The executive board members are appointed by shareholders at the general meeting at the binding nomination of Next Alt. CVC 3 B.V. ("CVC 3") is wholly owned by Altice Europe N.V. Mr. Drahi, Next Alt and Altice Europe N.V. may each be deemed to beneficially own the shares of the Issuer owned by CVC 3.

F3 · ownership.nature: Mr. Drahi is the sole controlling shareholder of Uppernext S.C.S.p ("Uppernext"). As such, Mr. Drahi may be deemed to beneficially own shares of the Issuer held by Uppernext. A4 S.A., which is controlled by the family of Mr. Drahi, is an executive board member of Altice Europe N.V. Mr. Drahi is a director of the Issuer and Next Alt and A4 S.A. are parties to a stockholders agreement with the Issuer pursuant to which they have certain rights to appoint directors of the Issuer.

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: 0000947871-19-000464 · ownership.xml · derivative · entry 7

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

Drahi Patrick · CIK 0001709689 · Director · 10% owner

A4 S.A. · CIK 0001709665 · Director

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

10b5-1 filing: Not disclosed

Ownership: Indirect · CVC 3 B.V.

Disclosed balance after: 15,809,913

Underlying: Class A common stock · 809,061 shares

Expires not disclosed

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

F5 · derivative.exercise_price: Class C Units represent a contingent right to receive, following vesting, shares of Class A common stock of the Issuer in the discretion of Neptune Holding US GP LLC.

F6 · derivative.exercise_date: These Class C Units vest with CVC 3 upon the termination of employment of certain participants in the Neptune Management Limited Partnership Carry Unit Plan. At the time a portion of this derivative security was converted to Class A common stock, as reported on this Form 4, another portion of this derivative security was canceled for no consideration due to other distributions of Class A common stock by Neptune Holding US LP.

F6 · derivative.expiration_date: These Class C Units vest with CVC 3 upon the termination of employment of certain participants in the Neptune Management Limited Partnership Carry Unit Plan. At the time a portion of this derivative security was converted to Class A common stock, as reported on this Form 4, another portion of this derivative security was canceled for no consideration due to other distributions of Class A common stock by Neptune Holding US LP.

F2 · ownership.nature: Next Alt S.a r.l. ("Next Alt") is a personal holding company of Mr. Drahi, who is its controlling shareholder. As of the date of this report, Next Alt is the holder of 67.53% of the share capital and voting rights of Altice Europe N.V. Altice Europe N.V. maintains a one-tier board of four executive board members, one of whom is Mr. Drahi, and four non-executive board members. The executive board members are appointed by shareholders at the general meeting at the binding nomination of Next Alt. CVC 3 B.V. ("CVC 3") is wholly owned by Altice Europe N.V. Mr. Drahi, Next Alt and Altice Europe N.V. may each be deemed to beneficially own the shares of the Issuer owned by CVC 3.

F3 · ownership.nature: Mr. Drahi is the sole controlling shareholder of Uppernext S.C.S.p ("Uppernext"). As such, Mr. Drahi may be deemed to beneficially own shares of the Issuer held by Uppernext. A4 S.A., which is controlled by the family of Mr. Drahi, is an executive board member of Altice Europe N.V. Mr. Drahi is a director of the Issuer and Next Alt and A4 S.A. are parties to a stockholders agreement with the Issuer pursuant to which they have certain rights to appoint directors of the Issuer.

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: 0000947871-19-000464 · ownership.xml · derivative · entry 6

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

Drahi Patrick · CIK 0001709689 · Director · 10% owner

A4 S.A. · CIK 0001709665 · Director

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

10b5-1 filing: Not disclosed

Ownership: Indirect · CVC 3 B.V.

Disclosed balance after: 21,255,670

Underlying: Class A common stock · 2,110,967 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.

F1 · derivative.exercise_price: Class A Units represent a contingent right to receive shares of Class A common stock of the Issuer in the discretion of Neptune Holding US GP LLC. At the time a portion of this derivative security was converted to Class A common stock, as reported on this Form 4, another portion of this derivative security was canceled for no consideration due to other distributions of Class A common stock by Neptune Holding US Limited Partnership.

F1 · derivative.exercise_date: Class A Units represent a contingent right to receive shares of Class A common stock of the Issuer in the discretion of Neptune Holding US GP LLC. At the time a portion of this derivative security was converted to Class A common stock, as reported on this Form 4, another portion of this derivative security was canceled for no consideration due to other distributions of Class A common stock by Neptune Holding US Limited Partnership.

F1 · derivative.expiration_date: Class A Units represent a contingent right to receive shares of Class A common stock of the Issuer in the discretion of Neptune Holding US GP LLC. At the time a portion of this derivative security was converted to Class A common stock, as reported on this Form 4, another portion of this derivative security was canceled for no consideration due to other distributions of Class A common stock by Neptune Holding US Limited Partnership.

F2 · ownership.nature: Next Alt S.a r.l. ("Next Alt") is a personal holding company of Mr. Drahi, who is its controlling shareholder. As of the date of this report, Next Alt is the holder of 67.53% of the share capital and voting rights of Altice Europe N.V. Altice Europe N.V. maintains a one-tier board of four executive board members, one of whom is Mr. Drahi, and four non-executive board members. The executive board members are appointed by shareholders at the general meeting at the binding nomination of Next Alt. CVC 3 B.V. ("CVC 3") is wholly owned by Altice Europe N.V. Mr. Drahi, Next Alt and Altice Europe N.V. may each be deemed to beneficially own the shares of the Issuer owned by CVC 3.

F3 · ownership.nature: Mr. Drahi is the sole controlling shareholder of Uppernext S.C.S.p ("Uppernext"). As such, Mr. Drahi may be deemed to beneficially own shares of the Issuer held by Uppernext. A4 S.A., which is controlled by the family of Mr. Drahi, is an executive board member of Altice Europe N.V. Mr. Drahi is a director of the Issuer and Next Alt and A4 S.A. are parties to a stockholders agreement with the Issuer pursuant to which they have certain rights to appoint directors of the Issuer.

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: 0000947871-19-000464 · ownership.xml · nonDerivative · entry 2

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

Drahi Patrick · CIK 0001709689 · Director · 10% owner

A4 S.A. · CIK 0001709665 · Director

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

10b5-1 filing: Not disclosed

Ownership: Indirect · CVC 3 B.V.

Disclosed balance after: 11,725,832

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

F5 · price: Class C Units represent a contingent right to receive, following vesting, shares of Class A common stock of the Issuer in the discretion of Neptune Holding US GP LLC.

F2 · ownership.nature: Next Alt S.a r.l. ("Next Alt") is a personal holding company of Mr. Drahi, who is its controlling shareholder. As of the date of this report, Next Alt is the holder of 67.53% of the share capital and voting rights of Altice Europe N.V. Altice Europe N.V. maintains a one-tier board of four executive board members, one of whom is Mr. Drahi, and four non-executive board members. The executive board members are appointed by shareholders at the general meeting at the binding nomination of Next Alt. CVC 3 B.V. ("CVC 3") is wholly owned by Altice Europe N.V. Mr. Drahi, Next Alt and Altice Europe N.V. may each be deemed to beneficially own the shares of the Issuer owned by CVC 3.

F3 · ownership.nature: Mr. Drahi is the sole controlling shareholder of Uppernext S.C.S.p ("Uppernext"). As such, Mr. Drahi may be deemed to beneficially own shares of the Issuer held by Uppernext. A4 S.A., which is controlled by the family of Mr. Drahi, is an executive board member of Altice Europe N.V. Mr. Drahi is a director of the Issuer and Next Alt and A4 S.A. are parties to a stockholders agreement with the Issuer pursuant to which they have certain rights to appoint directors of the Issuer.

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: 0000947871-19-000464 · ownership.xml · nonDerivative · entry 1

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

Drahi Patrick · CIK 0001709689 · Director · 10% owner

A4 S.A. · CIK 0001709665 · Director

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

10b5-1 filing: Not disclosed

Ownership: Indirect · CVC 3 B.V.

Disclosed balance after: 10,916,771

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 · price: Class A Units represent a contingent right to receive shares of Class A common stock of the Issuer in the discretion of Neptune Holding US GP LLC. At the time a portion of this derivative security was converted to Class A common stock, as reported on this Form 4, another portion of this derivative security was canceled for no consideration due to other distributions of Class A common stock by Neptune Holding US Limited Partnership.

F2 · ownership.nature: Next Alt S.a r.l. ("Next Alt") is a personal holding company of Mr. Drahi, who is its controlling shareholder. As of the date of this report, Next Alt is the holder of 67.53% of the share capital and voting rights of Altice Europe N.V. Altice Europe N.V. maintains a one-tier board of four executive board members, one of whom is Mr. Drahi, and four non-executive board members. The executive board members are appointed by shareholders at the general meeting at the binding nomination of Next Alt. CVC 3 B.V. ("CVC 3") is wholly owned by Altice Europe N.V. Mr. Drahi, Next Alt and Altice Europe N.V. may each be deemed to beneficially own the shares of the Issuer owned by CVC 3.

F3 · ownership.nature: Mr. Drahi is the sole controlling shareholder of Uppernext S.C.S.p ("Uppernext"). As such, Mr. Drahi may be deemed to beneficially own shares of the Issuer held by Uppernext. A4 S.A., which is controlled by the family of Mr. Drahi, is an executive board member of Altice Europe N.V. Mr. Drahi is a director of the Issuer and Next Alt and A4 S.A. are parties to a stockholders agreement with the Issuer pursuant to which they have certain rights to appoint directors of the Issuer.

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: 0000947871-19-000456 · ownership.xml · derivative · entry 6

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

Drahi Patrick · CIK 0001709689 · Director · 10% owner

A4 S.A. · CIK 0001709665 · Director

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

10b5-1 filing: Not disclosed

Ownership: Indirect · Altice Europe N.V.

Disclosed balance after: 0

Underlying: Class A common stock · 1,699,909 shares

Expires not disclosed

F1 · derivative.exercise_price: Altice Europe N.V. is physically settling a share forward contract with a final reference date of June 15, 2019 (the "Forward Contract") entered into with a financial institution counterparty. Pursuant to the Forward Contract, in exchange for payment from the counterparty upon settlement, Altice Europe N.V. is delivering to the counterparty 1,699,909 shares of Class A common stock of the Issuer, along with a certain number of Altice Europe N.V. shares that were also subject to the Forward Contract.

F2 · derivative.exercise_price: In anticipation of settlement of the Forward Contract, on June 13, 2019, 1,699,909 shares of Class A common stock of the Issuer were transferred to Altice Europe N.V. from its wholly-owned subsidiary CVC 3 B.V. ("CVC 3"). In connection with the settlement of the Forward Contract, shares of Class A common stock of the Issuer will be sold by the financial institution counterparty over the 10-day period beginning immediately following June 17, 2019.

F1 · date: Altice Europe N.V. is physically settling a share forward contract with a final reference date of June 15, 2019 (the "Forward Contract") entered into with a financial institution counterparty. Pursuant to the Forward Contract, in exchange for payment from the counterparty upon settlement, Altice Europe N.V. is delivering to the counterparty 1,699,909 shares of Class A common stock of the Issuer, along with a certain number of Altice Europe N.V. shares that were also subject to the Forward Contract.

F2 · date: In anticipation of settlement of the Forward Contract, on June 13, 2019, 1,699,909 shares of Class A common stock of the Issuer were transferred to Altice Europe N.V. from its wholly-owned subsidiary CVC 3 B.V. ("CVC 3"). In connection with the settlement of the Forward Contract, shares of Class A common stock of the Issuer will be sold by the financial institution counterparty over the 10-day period beginning immediately following June 17, 2019.

F1 · kind: Altice Europe N.V. is physically settling a share forward contract with a final reference date of June 15, 2019 (the "Forward Contract") entered into with a financial institution counterparty. Pursuant to the Forward Contract, in exchange for payment from the counterparty upon settlement, Altice Europe N.V. is delivering to the counterparty 1,699,909 shares of Class A common stock of the Issuer, along with a certain number of Altice Europe N.V. shares that were also subject to the Forward Contract.

F2 · kind: In anticipation of settlement of the Forward Contract, on June 13, 2019, 1,699,909 shares of Class A common stock of the Issuer were transferred to Altice Europe N.V. from its wholly-owned subsidiary CVC 3 B.V. ("CVC 3"). In connection with the settlement of the Forward Contract, shares of Class A common stock of the Issuer will be sold by the financial institution counterparty over the 10-day period beginning immediately following June 17, 2019.

F1 · price: Altice Europe N.V. is physically settling a share forward contract with a final reference date of June 15, 2019 (the "Forward Contract") entered into with a financial institution counterparty. Pursuant to the Forward Contract, in exchange for payment from the counterparty upon settlement, Altice Europe N.V. is delivering to the counterparty 1,699,909 shares of Class A common stock of the Issuer, along with a certain number of Altice Europe N.V. shares that were also subject to the Forward Contract.

F2 · price: In anticipation of settlement of the Forward Contract, on June 13, 2019, 1,699,909 shares of Class A common stock of the Issuer were transferred to Altice Europe N.V. from its wholly-owned subsidiary CVC 3 B.V. ("CVC 3"). In connection with the settlement of the Forward Contract, shares of Class A common stock of the Issuer will be sold by the financial institution counterparty over the 10-day period beginning immediately following June 17, 2019.

F1 · derivative.exercise_date: Altice Europe N.V. is physically settling a share forward contract with a final reference date of June 15, 2019 (the "Forward Contract") entered into with a financial institution counterparty. Pursuant to the Forward Contract, in exchange for payment from the counterparty upon settlement, Altice Europe N.V. is delivering to the counterparty 1,699,909 shares of Class A common stock of the Issuer, along with a certain number of Altice Europe N.V. shares that were also subject to the Forward Contract.

F2 · derivative.exercise_date: In anticipation of settlement of the Forward Contract, on June 13, 2019, 1,699,909 shares of Class A common stock of the Issuer were transferred to Altice Europe N.V. from its wholly-owned subsidiary CVC 3 B.V. ("CVC 3"). In connection with the settlement of the Forward Contract, shares of Class A common stock of the Issuer will be sold by the financial institution counterparty over the 10-day period beginning immediately following June 17, 2019.

F1 · derivative.expiration_date: Altice Europe N.V. is physically settling a share forward contract with a final reference date of June 15, 2019 (the "Forward Contract") entered into with a financial institution counterparty. Pursuant to the Forward Contract, in exchange for payment from the counterparty upon settlement, Altice Europe N.V. is delivering to the counterparty 1,699,909 shares of Class A common stock of the Issuer, along with a certain number of Altice Europe N.V. shares that were also subject to the Forward Contract.

F2 · derivative.expiration_date: In anticipation of settlement of the Forward Contract, on June 13, 2019, 1,699,909 shares of Class A common stock of the Issuer were transferred to Altice Europe N.V. from its wholly-owned subsidiary CVC 3 B.V. ("CVC 3"). In connection with the settlement of the Forward Contract, shares of Class A common stock of the Issuer will be sold by the financial institution counterparty over the 10-day period beginning immediately following June 17, 2019.

F3 · ownership.nature: Next Alt S.a r.l. ("Next Alt") is a personal holding company of Mr. Drahi, who is its controlling shareholder. As of the date of this report, Next Alt is the holder of 67.53% of the share capital and voting rights of Altice Europe N.V. Altice Europe N.V. maintains a one-tier board of four executive board members, one of whom is Mr. Drahi, and four non-executive board members. The executive board members are appointed by shareholders at the general meeting at the binding nomination of Next Alt. Mr. Drahi and Next Alt may each be deemed to beneficially own the shares of the Issuer owned by Altice Europe N.V. and CVC 3.

F4 · ownership.nature: Mr. Drahi is the sole controlling shareholder of Uppernext S.C.S.p ("Uppernext"). As such, Mr. Drahi may be deemed to beneficially own shares of the Issuer held by Uppernext. A4 S.A., which is controlled by the family of Mr. Drahi, is an executive board member of Altice Europe N.V. Mr. Drahi is a director of the Issuer and Next Alt and A4 S.A. are parties to a stockholders agreement with the Issuer pursuant to which they have certain rights to appoint directors of the Issuer.

F5 · 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: 0000947871-19-000456 · ownership.xml · nonDerivative · entry 1

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

Drahi Patrick · CIK 0001709689 · Director · 10% owner

A4 S.A. · CIK 0001709665 · Director

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

10b5-1 filing: Not disclosed

Ownership: Indirect · Altice Europe N.V.

Disclosed balance after: 0

F1 · date: Altice Europe N.V. is physically settling a share forward contract with a final reference date of June 15, 2019 (the "Forward Contract") entered into with a financial institution counterparty. Pursuant to the Forward Contract, in exchange for payment from the counterparty upon settlement, Altice Europe N.V. is delivering to the counterparty 1,699,909 shares of Class A common stock of the Issuer, along with a certain number of Altice Europe N.V. shares that were also subject to the Forward Contract.

F2 · date: In anticipation of settlement of the Forward Contract, on June 13, 2019, 1,699,909 shares of Class A common stock of the Issuer were transferred to Altice Europe N.V. from its wholly-owned subsidiary CVC 3 B.V. ("CVC 3"). In connection with the settlement of the Forward Contract, shares of Class A common stock of the Issuer will be sold by the financial institution counterparty over the 10-day period beginning immediately following June 17, 2019.

F1 · kind: Altice Europe N.V. is physically settling a share forward contract with a final reference date of June 15, 2019 (the "Forward Contract") entered into with a financial institution counterparty. Pursuant to the Forward Contract, in exchange for payment from the counterparty upon settlement, Altice Europe N.V. is delivering to the counterparty 1,699,909 shares of Class A common stock of the Issuer, along with a certain number of Altice Europe N.V. shares that were also subject to the Forward Contract.

F2 · kind: In anticipation of settlement of the Forward Contract, on June 13, 2019, 1,699,909 shares of Class A common stock of the Issuer were transferred to Altice Europe N.V. from its wholly-owned subsidiary CVC 3 B.V. ("CVC 3"). In connection with the settlement of the Forward Contract, shares of Class A common stock of the Issuer will be sold by the financial institution counterparty over the 10-day period beginning immediately following June 17, 2019.

F1 · price: Altice Europe N.V. is physically settling a share forward contract with a final reference date of June 15, 2019 (the "Forward Contract") entered into with a financial institution counterparty. Pursuant to the Forward Contract, in exchange for payment from the counterparty upon settlement, Altice Europe N.V. is delivering to the counterparty 1,699,909 shares of Class A common stock of the Issuer, along with a certain number of Altice Europe N.V. shares that were also subject to the Forward Contract.

F2 · price: In anticipation of settlement of the Forward Contract, on June 13, 2019, 1,699,909 shares of Class A common stock of the Issuer were transferred to Altice Europe N.V. from its wholly-owned subsidiary CVC 3 B.V. ("CVC 3"). In connection with the settlement of the Forward Contract, shares of Class A common stock of the Issuer will be sold by the financial institution counterparty over the 10-day period beginning immediately following June 17, 2019.

F3 · ownership.nature: Next Alt S.a r.l. ("Next Alt") is a personal holding company of Mr. Drahi, who is its controlling shareholder. As of the date of this report, Next Alt is the holder of 67.53% of the share capital and voting rights of Altice Europe N.V. Altice Europe N.V. maintains a one-tier board of four executive board members, one of whom is Mr. Drahi, and four non-executive board members. The executive board members are appointed by shareholders at the general meeting at the binding nomination of Next Alt. Mr. Drahi and Next Alt may each be deemed to beneficially own the shares of the Issuer owned by Altice Europe N.V. and CVC 3.

F4 · ownership.nature: Mr. Drahi is the sole controlling shareholder of Uppernext S.C.S.p ("Uppernext"). As such, Mr. Drahi may be deemed to beneficially own shares of the Issuer held by Uppernext. A4 S.A., which is controlled by the family of Mr. Drahi, is an executive board member of Altice Europe N.V. Mr. Drahi is a director of the Issuer and Next Alt and A4 S.A. are parties to a stockholders agreement with the Issuer pursuant to which they have certain rights to appoint directors of the Issuer.

F5 · 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: 0000947871-19-000441 · ownership.xml · derivative · entry 5

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

Drahi Patrick · CIK 0001709689 · Director · 10% owner

A4 S.A. · CIK 0001709665 · Director

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

10b5-1 filing: Not disclosed

Ownership: Indirect · CVC 3 B.V.

Disclosed balance after: 26,565,190

Underlying: Class A common stock · 115,055 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.

F1 · derivative.exercise_price: Class A Units represent a contingent right to receive shares of Class A common stock of the Issuer in the discretion of Neptune Holding US GP LLC. At the time a portion of this derivative security was converted to Class A common stock, as reported on this Form 4, another portion of this derivative security was canceled for no consideration due to other distributions of Class A common stock by Neptune Holding US Limited Partnership.

F1 · derivative.exercise_date: Class A Units represent a contingent right to receive shares of Class A common stock of the Issuer in the discretion of Neptune Holding US GP LLC. At the time a portion of this derivative security was converted to Class A common stock, as reported on this Form 4, another portion of this derivative security was canceled for no consideration due to other distributions of Class A common stock by Neptune Holding US Limited Partnership.

F1 · derivative.expiration_date: Class A Units represent a contingent right to receive shares of Class A common stock of the Issuer in the discretion of Neptune Holding US GP LLC. At the time a portion of this derivative security was converted to Class A common stock, as reported on this Form 4, another portion of this derivative security was canceled for no consideration due to other distributions of Class A common stock by Neptune Holding US Limited Partnership.

F2 · ownership.nature: Next Alt S.a r.l. ("Next Alt") is a personal holding company of Mr. Drahi, who is its controlling shareholder. As of the date of this report, Next Alt is the holder of 67.53% of the share capital and voting rights of Altice Europe N.V. Altice Europe N.V. maintains a one-tier board of four executive board members, one of whom is Mr. Drahi, and four non-executive board members. The executive board members are appointed by shareholders at the general meeting at the binding nomination of Next Alt. Altice Europe N.V. owns a direct controlling interest in CVC 3 B.V. ("CVC 3"). Mr. Drahi, Next Alt and Altice Europe N.V. may each be deemed to beneficially own the shares of the Issuer owned by CVC 3.

F3 · ownership.nature: Mr. Drahi is the sole controlling shareholder of Uppernext S.C.S.p ("Uppernext"). As such, Mr. Drahi may be deemed to beneficially own shares of the Issuer held by Uppernext. A4 S.A., which is controlled by the family of Mr. Drahi, is an executive board member of Altice Europe N.V. Mr. Drahi is a director of the Issuer and Next Alt and A4 S.A. are parties to a stockholders agreement with the Issuer pursuant to which they have certain rights to appoint directors of the Issuer.

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: 0000947871-19-000441 · ownership.xml · nonDerivative · entry 1

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

Drahi Patrick · CIK 0001709689 · Director · 10% owner

A4 S.A. · CIK 0001709665 · Director

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

10b5-1 filing: Not disclosed

Ownership: Indirect · CVC 3 B.V.

Disclosed balance after: 10,505,713

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

F1 · price: Class A Units represent a contingent right to receive shares of Class A common stock of the Issuer in the discretion of Neptune Holding US GP LLC. At the time a portion of this derivative security was converted to Class A common stock, as reported on this Form 4, another portion of this derivative security was canceled for no consideration due to other distributions of Class A common stock by Neptune Holding US Limited Partnership.

F2 · ownership.nature: Next Alt S.a r.l. ("Next Alt") is a personal holding company of Mr. Drahi, who is its controlling shareholder. As of the date of this report, Next Alt is the holder of 67.53% of the share capital and voting rights of Altice Europe N.V. Altice Europe N.V. maintains a one-tier board of four executive board members, one of whom is Mr. Drahi, and four non-executive board members. The executive board members are appointed by shareholders at the general meeting at the binding nomination of Next Alt. Altice Europe N.V. owns a direct controlling interest in CVC 3 B.V. ("CVC 3"). Mr. Drahi, Next Alt and Altice Europe N.V. may each be deemed to beneficially own the shares of the Issuer owned by CVC 3.

F3 · ownership.nature: Mr. Drahi is the sole controlling shareholder of Uppernext S.C.S.p ("Uppernext"). As such, Mr. Drahi may be deemed to beneficially own shares of the Issuer held by Uppernext. A4 S.A., which is controlled by the family of Mr. Drahi, is an executive board member of Altice Europe N.V. Mr. Drahi is a director of the Issuer and Next Alt and A4 S.A. are parties to a stockholders agreement with the Issuer pursuant to which they have certain rights to appoint directors of the Issuer.

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: 0000947871-19-000310 · ownership.xml · derivative · entry 7

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

Drahi Patrick · CIK 0001709689 · Director · 10% owner

A4 S.A. · CIK 0001709665 · Director

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

10b5-1 filing: Not disclosed

Ownership: Indirect · CVC 3 B.V.

Disclosed balance after: 19,011,572

Underlying: Class A common stock · 11,754 shares

Expires not disclosed

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

F5 · derivative.exercise_price: Class C Units represent a contingent right to receive, following vesting, shares of Class A common stock of the Issuer in the discretion of Neptune Holding US GP LLC.

F6 · derivative.exercise_date: These Class C Units vest with CVC 3 upon the termination of employment of certain participants in the Neptune Management Limited Partnership Carry Unit Plan. At the time a portion of this derivative security was converted to Class A common stock, as reported on this Form 4, another portion of this derivative security was canceled for no consideration due to other distributions of Class A common stock by Neptune Holding US LP.

F6 · derivative.expiration_date: These Class C Units vest with CVC 3 upon the termination of employment of certain participants in the Neptune Management Limited Partnership Carry Unit Plan. At the time a portion of this derivative security was converted to Class A common stock, as reported on this Form 4, another portion of this derivative security was canceled for no consideration due to other distributions of Class A common stock by Neptune Holding US LP.

SEC source: 0000947871-19-000310 · ownership.xml · derivative · entry 6

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

Drahi Patrick · CIK 0001709689 · Director · 10% owner

A4 S.A. · CIK 0001709665 · Director

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

10b5-1 filing: Not disclosed

Ownership: Indirect · CVC 3 B.V.

Disclosed balance after: 26,834,850

Underlying: Class A common stock · 281,991 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.

F1 · derivative.exercise_price: Class A Units represent a contingent right to receive shares of Class A common stock of the Issuer in the discretion of Neptune Holding US GP LLC. At the time a portion of this derivative security was converted to Class A common stock, as reported on this Form 4, another portion of this derivative security was canceled for no consideration due to other distributions of Class A common stock by Neptune Holding US Limited Partnership.

F1 · derivative.exercise_date: Class A Units represent a contingent right to receive shares of Class A common stock of the Issuer in the discretion of Neptune Holding US GP LLC. At the time a portion of this derivative security was converted to Class A common stock, as reported on this Form 4, another portion of this derivative security was canceled for no consideration due to other distributions of Class A common stock by Neptune Holding US Limited Partnership.

F1 · derivative.expiration_date: Class A Units represent a contingent right to receive shares of Class A common stock of the Issuer in the discretion of Neptune Holding US GP LLC. At the time a portion of this derivative security was converted to Class A common stock, as reported on this Form 4, another portion of this derivative security was canceled for no consideration due to other distributions of Class A common stock by Neptune Holding US Limited Partnership.

F2 · ownership.nature: Next Alt S.a r.l. ("Next Alt") is a personal holding company of Mr. Drahi, who is its controlling shareholder. As of the date of this report, Next Alt is the holder of 67.53% of the share capital and voting rights of Altice Europe N.V. Altice Europe N.V. maintains a one-tier board of four executive board members, one of whom is Mr. Drahi, and four non-executive board members. The executive board members are appointed by shareholders at the general meeting at the binding nomination of Next Alt. Altice Europe N.V. owns a direct controlling interest in CVC 3 B.V. ("CVC 3"). Mr. Drahi, Next Alt and Altice Europe N.V. may each be deemed to beneficially own the shares of the Issuer owned by CVC 3.

F3 · ownership.nature: Mr. Drahi is the sole controlling shareholder of Uppernext S.C.S.p ("Uppernext"). As such, Mr. Drahi may be deemed to beneficially own shares of the Issuer held by Uppernext. A4 S.A., which is controlled by the family of Mr. Drahi, is an executive board member of Altice Europe N.V. Mr. Drahi is a director of the Issuer and Next Alt and A4 S.A. are parties to a stockholders agreement with the Issuer pursuant to which they have certain rights to appoint directors of the Issuer.

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: 0000947871-19-000310 · ownership.xml · nonDerivative · entry 2

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

Drahi Patrick · CIK 0001709689 · Director · 10% owner

A4 S.A. · CIK 0001709665 · Director

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

10b5-1 filing: Not disclosed

Ownership: Indirect · CVC 3 B.V.

Disclosed balance after: 10,390,658

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

F5 · price: Class C Units represent a contingent right to receive, following vesting, shares of Class A common stock of the Issuer in the discretion of Neptune Holding US GP LLC.

F2 · ownership.nature: Next Alt S.a r.l. ("Next Alt") is a personal holding company of Mr. Drahi, who is its controlling shareholder. As of the date of this report, Next Alt is the holder of 67.53% of the share capital and voting rights of Altice Europe N.V. Altice Europe N.V. maintains a one-tier board of four executive board members, one of whom is Mr. Drahi, and four non-executive board members. The executive board members are appointed by shareholders at the general meeting at the binding nomination of Next Alt. Altice Europe N.V. owns a direct controlling interest in CVC 3 B.V. ("CVC 3"). Mr. Drahi, Next Alt and Altice Europe N.V. may each be deemed to beneficially own the shares of the Issuer owned by CVC 3.

F3 · ownership.nature: Mr. Drahi is the sole controlling shareholder of Uppernext S.C.S.p ("Uppernext"). As such, Mr. Drahi may be deemed to beneficially own shares of the Issuer held by Uppernext. A4 S.A., which is controlled by the family of Mr. Drahi, is an executive board member of Altice Europe N.V. Mr. Drahi is a director of the Issuer and Next Alt and A4 S.A. are parties to a stockholders agreement with the Issuer pursuant to which they have certain rights to appoint directors of the Issuer.

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: 0000947871-19-000310 · ownership.xml · nonDerivative · entry 1

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

Drahi Patrick · CIK 0001709689 · Director · 10% owner

A4 S.A. · CIK 0001709665 · Director

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

10b5-1 filing: Not disclosed

Ownership: Indirect · CVC 3 B.V.

Disclosed balance after: 10,378,904

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 · price: Class A Units represent a contingent right to receive shares of Class A common stock of the Issuer in the discretion of Neptune Holding US GP LLC. At the time a portion of this derivative security was converted to Class A common stock, as reported on this Form 4, another portion of this derivative security was canceled for no consideration due to other distributions of Class A common stock by Neptune Holding US Limited Partnership.

F2 · ownership.nature: Next Alt S.a r.l. ("Next Alt") is a personal holding company of Mr. Drahi, who is its controlling shareholder. As of the date of this report, Next Alt is the holder of 67.53% of the share capital and voting rights of Altice Europe N.V. Altice Europe N.V. maintains a one-tier board of four executive board members, one of whom is Mr. Drahi, and four non-executive board members. The executive board members are appointed by shareholders at the general meeting at the binding nomination of Next Alt. Altice Europe N.V. owns a direct controlling interest in CVC 3 B.V. ("CVC 3"). Mr. Drahi, Next Alt and Altice Europe N.V. may each be deemed to beneficially own the shares of the Issuer owned by CVC 3.

F3 · ownership.nature: Mr. Drahi is the sole controlling shareholder of Uppernext S.C.S.p ("Uppernext"). As such, Mr. Drahi may be deemed to beneficially own shares of the Issuer held by Uppernext. A4 S.A., which is controlled by the family of Mr. Drahi, is an executive board member of Altice Europe N.V. Mr. Drahi is a director of the Issuer and Next Alt and A4 S.A. are parties to a stockholders agreement with the Issuer pursuant to which they have certain rights to appoint directors of the Issuer.

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: 0000947871-19-000282 · ownership.xml · derivative · entry 7

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

Drahi Patrick · CIK 0001709689 · Director · 10% owner

A4 S.A. · CIK 0001709665 · Director

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

10b5-1 filing: Not disclosed

Ownership: Indirect · CVC 3 B.V.

Disclosed balance after: 27,206,955

Underlying: Class A common stock · 49,264 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.

F1 · derivative.exercise_price: Class A Units represent a contingent right to receive shares of Class A common stock of the Issuer in the discretion of Neptune Holding US GP LLC. At the time a portion of this derivative security was converted to Class A common stock, as reported on this Form 4, another portion of this derivative security was canceled for no consideration due to other distributions of Class A common stock by Neptune Holding US Limited.

F1 · derivative.exercise_date: Class A Units represent a contingent right to receive shares of Class A common stock of the Issuer in the discretion of Neptune Holding US GP LLC. At the time a portion of this derivative security was converted to Class A common stock, as reported on this Form 4, another portion of this derivative security was canceled for no consideration due to other distributions of Class A common stock by Neptune Holding US Limited.

F1 · derivative.expiration_date: Class A Units represent a contingent right to receive shares of Class A common stock of the Issuer in the discretion of Neptune Holding US GP LLC. At the time a portion of this derivative security was converted to Class A common stock, as reported on this Form 4, another portion of this derivative security was canceled for no consideration due to other distributions of Class A common stock by Neptune Holding US Limited.

F2 · ownership.nature: Next Alt S.a r.l. ("Next Alt") is a personal holding company of Mr. Drahi, who is its controlling shareholder. As of the date of this report, Next Alt is the holder of 67.53% of the share capital and voting rights of Altice Europe N.V. Altice Europe N.V. maintains a one-tier board of four executive board members, one of whom is Mr. Drahi, and four non-executive board members. The executive board members are appointed by shareholders at the general meeting at the binding nomination of Next Alt. Altice Europe N.V. owns a direct controlling interest in CVC 3 B.V. ("CVC 3"). Mr. Drahi, Next Alt and Altice Europe N.V. may each be deemed to beneficially own the shares of the Issuer owned by CVC 3.

F3 · ownership.nature: Mr. Drahi is the sole controlling shareholder of Uppernext S.C.S.p ("Uppernext"). As such, Mr. Drahi may be deemed to beneficially own shares of the Issuer held by Uppernext. A4 S.A., which is controlled by the family of Mr. Drahi, is an executive board member of Altice Europe N.V. Mr. Drahi is a director of the Issuer and Next Alt and A4 S.A. are parties to a stockholders agreement with the Issuer pursuant to which they have certain rights to appoint directors of the Issuer.

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: 0000947871-19-000282 · ownership.xml · nonDerivative · entry 2

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

Drahi Patrick · CIK 0001709689 · Director · 10% owner

A4 S.A. · CIK 0001709665 · Director

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

10b5-1 filing: Not disclosed

Ownership: Indirect · CVC 3 B.V.

Disclosed balance after: 10,096,913

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 · price: Class A Units represent a contingent right to receive shares of Class A common stock of the Issuer in the discretion of Neptune Holding US GP LLC. At the time a portion of this derivative security was converted to Class A common stock, as reported on this Form 4, another portion of this derivative security was canceled for no consideration due to other distributions of Class A common stock by Neptune Holding US Limited.

F2 · ownership.nature: Next Alt S.a r.l. ("Next Alt") is a personal holding company of Mr. Drahi, who is its controlling shareholder. As of the date of this report, Next Alt is the holder of 67.53% of the share capital and voting rights of Altice Europe N.V. Altice Europe N.V. maintains a one-tier board of four executive board members, one of whom is Mr. Drahi, and four non-executive board members. The executive board members are appointed by shareholders at the general meeting at the binding nomination of Next Alt. Altice Europe N.V. owns a direct controlling interest in CVC 3 B.V. ("CVC 3"). Mr. Drahi, Next Alt and Altice Europe N.V. may each be deemed to beneficially own the shares of the Issuer owned by CVC 3.

F3 · ownership.nature: Mr. Drahi is the sole controlling shareholder of Uppernext S.C.S.p ("Uppernext"). As such, Mr. Drahi may be deemed to beneficially own shares of the Issuer held by Uppernext. A4 S.A., which is controlled by the family of Mr. Drahi, is an executive board member of Altice Europe N.V. Mr. Drahi is a director of the Issuer and Next Alt and A4 S.A. are parties to a stockholders agreement with the Issuer pursuant to which they have certain rights to appoint directors of the Issuer.

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: 0000947871-19-000282 · ownership.xml · derivative · entry 6

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

Drahi Patrick · CIK 0001709689 · Director · 10% owner

A4 S.A. · CIK 0001709665 · Director

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

10b5-1 filing: Not disclosed

Ownership: Indirect · CVC 3 B.V.

Disclosed balance after: 27,269,805

Underlying: Class A common stock · 104,571 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.

F1 · derivative.exercise_price: Class A Units represent a contingent right to receive shares of Class A common stock of the Issuer in the discretion of Neptune Holding US GP LLC. At the time a portion of this derivative security was converted to Class A common stock, as reported on this Form 4, another portion of this derivative security was canceled for no consideration due to other distributions of Class A common stock by Neptune Holding US Limited.

F1 · derivative.exercise_date: Class A Units represent a contingent right to receive shares of Class A common stock of the Issuer in the discretion of Neptune Holding US GP LLC. At the time a portion of this derivative security was converted to Class A common stock, as reported on this Form 4, another portion of this derivative security was canceled for no consideration due to other distributions of Class A common stock by Neptune Holding US Limited.

F1 · derivative.expiration_date: Class A Units represent a contingent right to receive shares of Class A common stock of the Issuer in the discretion of Neptune Holding US GP LLC. At the time a portion of this derivative security was converted to Class A common stock, as reported on this Form 4, another portion of this derivative security was canceled for no consideration due to other distributions of Class A common stock by Neptune Holding US Limited.

F2 · ownership.nature: Next Alt S.a r.l. ("Next Alt") is a personal holding company of Mr. Drahi, who is its controlling shareholder. As of the date of this report, Next Alt is the holder of 67.53% of the share capital and voting rights of Altice Europe N.V. Altice Europe N.V. maintains a one-tier board of four executive board members, one of whom is Mr. Drahi, and four non-executive board members. The executive board members are appointed by shareholders at the general meeting at the binding nomination of Next Alt. Altice Europe N.V. owns a direct controlling interest in CVC 3 B.V. ("CVC 3"). Mr. Drahi, Next Alt and Altice Europe N.V. may each be deemed to beneficially own the shares of the Issuer owned by CVC 3.

F3 · ownership.nature: Mr. Drahi is the sole controlling shareholder of Uppernext S.C.S.p ("Uppernext"). As such, Mr. Drahi may be deemed to beneficially own shares of the Issuer held by Uppernext. A4 S.A., which is controlled by the family of Mr. Drahi, is an executive board member of Altice Europe N.V. Mr. Drahi is a director of the Issuer and Next Alt and A4 S.A. are parties to a stockholders agreement with the Issuer pursuant to which they have certain rights to appoint directors of the Issuer.

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: 0000947871-19-000282 · ownership.xml · nonDerivative · entry 1

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

Drahi Patrick · CIK 0001709689 · Director · 10% owner

A4 S.A. · CIK 0001709665 · Director

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

10b5-1 filing: Not disclosed

Ownership: Indirect · CVC 3 B.V.

Disclosed balance after: 10,047,649

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 · price: Class A Units represent a contingent right to receive shares of Class A common stock of the Issuer in the discretion of Neptune Holding US GP LLC. At the time a portion of this derivative security was converted to Class A common stock, as reported on this Form 4, another portion of this derivative security was canceled for no consideration due to other distributions of Class A common stock by Neptune Holding US Limited.

F2 · ownership.nature: Next Alt S.a r.l. ("Next Alt") is a personal holding company of Mr. Drahi, who is its controlling shareholder. As of the date of this report, Next Alt is the holder of 67.53% of the share capital and voting rights of Altice Europe N.V. Altice Europe N.V. maintains a one-tier board of four executive board members, one of whom is Mr. Drahi, and four non-executive board members. The executive board members are appointed by shareholders at the general meeting at the binding nomination of Next Alt. Altice Europe N.V. owns a direct controlling interest in CVC 3 B.V. ("CVC 3"). Mr. Drahi, Next Alt and Altice Europe N.V. may each be deemed to beneficially own the shares of the Issuer owned by CVC 3.

F3 · ownership.nature: Mr. Drahi is the sole controlling shareholder of Uppernext S.C.S.p ("Uppernext"). As such, Mr. Drahi may be deemed to beneficially own shares of the Issuer held by Uppernext. A4 S.A., which is controlled by the family of Mr. Drahi, is an executive board member of Altice Europe N.V. Mr. Drahi is a director of the Issuer and Next Alt and A4 S.A. are parties to a stockholders agreement with the Issuer pursuant to which they have certain rights to appoint directors of the Issuer.

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: 0000947871-19-000240 · ownership.xml · derivative · entry 7

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

Drahi Patrick · CIK 0001709689 · Director · 10% owner

A4 S.A. · CIK 0001709665 · Director

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

10b5-1 filing: Not disclosed

Ownership: Indirect · CVC 3 B.V.

Disclosed balance after: 19,638,256

Underlying: Class A common stock · 11,561 shares

Expires not disclosed

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

F5 · derivative.exercise_price: Class C Units represent a contingent right to receive, following vesting, shares of Class A common stock of the Issuer in the discretion of Neptune Holding US GP LLC.

F6 · derivative.exercise_date: These Class C Units vest with CVC 3 upon the termination of employment of certain participants in the Neptune Management Limited Partnership Carry Unit Plan.

F6 · derivative.expiration_date: These Class C Units vest with CVC 3 upon the termination of employment of certain participants in the Neptune Management Limited Partnership Carry Unit Plan.

F2 · ownership.nature: Next Alt S.a r.l. ("Next Alt") is a personal holding company of Mr. Drahi, who is its controlling shareholder. As of the date of this report, Next Alt is the holder of 67.53% of the share capital and voting rights of Altice Europe N.V. Altice Europe N.V. maintains a one-tier board of four executive board members, one of whom is Mr. Drahi, and four non-executive board members. The executive board members are appointed by shareholders at the general meeting at the binding nomination of Next Alt. Altice Europe N.V. owns a direct controlling interest in CVC 3 B.V. ("CVC 3"). Mr. Drahi, Next Alt and Altice Europe N.V. may each be deemed to beneficially own the shares of the Issuer owned by CVC 3.

F3 · ownership.nature: Mr. Drahi is the sole controlling shareholder of Uppernext S.C.S.p ("Uppernext"). As such, Mr. Drahi may be deemed to beneficially own shares of the Issuer held by Uppernext. A4 S.A., which is controlled by the family of Mr. Drahi, is an executive board member of Altice Europe N.V. Mr. Drahi is a director of the Issuer and Next Alt and A4 S.A. are parties to a stockholders agreement with the Issuer pursuant to which they have certain rights to appoint directors of the Issuer.

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: 0000947871-19-000240 · ownership.xml · derivative · entry 6

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

Drahi Patrick · CIK 0001709689 · Director · 10% owner

A4 S.A. · CIK 0001709665 · Director

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

10b5-1 filing: Not disclosed

Ownership: Indirect · CVC 3 B.V.

Disclosed balance after: 27,532,576

Underlying: Class A common stock · 49,477 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.

F1 · derivative.exercise_price: Class A Units represent a contingent right to receive shares of Class A common stock of the Issuer in the discretion of Neptune Holding US GP LLC.

F1 · derivative.exercise_date: Class A Units represent a contingent right to receive shares of Class A common stock of the Issuer in the discretion of Neptune Holding US GP LLC.

F1 · derivative.expiration_date: Class A Units represent a contingent right to receive shares of Class A common stock of the Issuer in the discretion of Neptune Holding US GP LLC.

F2 · ownership.nature: Next Alt S.a r.l. ("Next Alt") is a personal holding company of Mr. Drahi, who is its controlling shareholder. As of the date of this report, Next Alt is the holder of 67.53% of the share capital and voting rights of Altice Europe N.V. Altice Europe N.V. maintains a one-tier board of four executive board members, one of whom is Mr. Drahi, and four non-executive board members. The executive board members are appointed by shareholders at the general meeting at the binding nomination of Next Alt. Altice Europe N.V. owns a direct controlling interest in CVC 3 B.V. ("CVC 3"). Mr. Drahi, Next Alt and Altice Europe N.V. may each be deemed to beneficially own the shares of the Issuer owned by CVC 3.

F3 · ownership.nature: Mr. Drahi is the sole controlling shareholder of Uppernext S.C.S.p ("Uppernext"). As such, Mr. Drahi may be deemed to beneficially own shares of the Issuer held by Uppernext. A4 S.A., which is controlled by the family of Mr. Drahi, is an executive board member of Altice Europe N.V. Mr. Drahi is a director of the Issuer and Next Alt and A4 S.A. are parties to a stockholders agreement with the Issuer pursuant to which they have certain rights to appoint directors of the Issuer.

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: 0000947871-19-000240 · ownership.xml · nonDerivative · entry 2

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

Drahi Patrick · CIK 0001709689 · Director · 10% owner

A4 S.A. · CIK 0001709665 · Director

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

10b5-1 filing: Not disclosed

Ownership: Indirect · CVC 3 B.V.

Disclosed balance after: 9,943,078

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

F5 · price: Class C Units represent a contingent right to receive, following vesting, shares of Class A common stock of the Issuer in the discretion of Neptune Holding US GP LLC.

F2 · ownership.nature: Next Alt S.a r.l. ("Next Alt") is a personal holding company of Mr. Drahi, who is its controlling shareholder. As of the date of this report, Next Alt is the holder of 67.53% of the share capital and voting rights of Altice Europe N.V. Altice Europe N.V. maintains a one-tier board of four executive board members, one of whom is Mr. Drahi, and four non-executive board members. The executive board members are appointed by shareholders at the general meeting at the binding nomination of Next Alt. Altice Europe N.V. owns a direct controlling interest in CVC 3 B.V. ("CVC 3"). Mr. Drahi, Next Alt and Altice Europe N.V. may each be deemed to beneficially own the shares of the Issuer owned by CVC 3.

F3 · ownership.nature: Mr. Drahi is the sole controlling shareholder of Uppernext S.C.S.p ("Uppernext"). As such, Mr. Drahi may be deemed to beneficially own shares of the Issuer held by Uppernext. A4 S.A., which is controlled by the family of Mr. Drahi, is an executive board member of Altice Europe N.V. Mr. Drahi is a director of the Issuer and Next Alt and A4 S.A. are parties to a stockholders agreement with the Issuer pursuant to which they have certain rights to appoint directors of the Issuer.

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: 0000947871-19-000240 · ownership.xml · nonDerivative · entry 1

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

Drahi Patrick · CIK 0001709689 · Director · 10% owner

A4 S.A. · CIK 0001709665 · Director

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

10b5-1 filing: Not disclosed

Ownership: Indirect · CVC 3 B.V.

Disclosed balance after: 9,931,517

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 · price: Class A Units represent a contingent right to receive shares of Class A common stock of the Issuer in the discretion of Neptune Holding US GP LLC.

F2 · ownership.nature: Next Alt S.a r.l. ("Next Alt") is a personal holding company of Mr. Drahi, who is its controlling shareholder. As of the date of this report, Next Alt is the holder of 67.53% of the share capital and voting rights of Altice Europe N.V. Altice Europe N.V. maintains a one-tier board of four executive board members, one of whom is Mr. Drahi, and four non-executive board members. The executive board members are appointed by shareholders at the general meeting at the binding nomination of Next Alt. Altice Europe N.V. owns a direct controlling interest in CVC 3 B.V. ("CVC 3"). Mr. Drahi, Next Alt and Altice Europe N.V. may each be deemed to beneficially own the shares of the Issuer owned by CVC 3.

F3 · ownership.nature: Mr. Drahi is the sole controlling shareholder of Uppernext S.C.S.p ("Uppernext"). As such, Mr. Drahi may be deemed to beneficially own shares of the Issuer held by Uppernext. A4 S.A., which is controlled by the family of Mr. Drahi, is an executive board member of Altice Europe N.V. Mr. Drahi is a director of the Issuer and Next Alt and A4 S.A. are parties to a stockholders agreement with the Issuer pursuant to which they have certain rights to appoint directors of the Issuer.

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: 0000947871-19-000183 · ownership.xml · derivative · entry 5

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

Drahi Patrick · CIK 0001709689 · Director · 10% owner

A4 S.A. · CIK 0001709665 · Director

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

10b5-1 filing: Not disclosed

Ownership: Indirect · CVC 3 B.V.

Disclosed balance after: 27,628,038

Underlying: Class A common stock · 99,096 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.

F1 · derivative.exercise_price: Class A Units represent a contingent right to receive shares of Class A common stock of the Issuer in the discretion of Neptune Holding US GP LLC. At the time a portion of this derivative security was converted to Class A common stock, as reported on this Form 4, another portion of this derivative security was canceled for no consideration due to other distributions of Class A common stock by Neptune Holding US Limited Partnership ("Neptune Holding US LP").

F1 · derivative.exercise_date: Class A Units represent a contingent right to receive shares of Class A common stock of the Issuer in the discretion of Neptune Holding US GP LLC. At the time a portion of this derivative security was converted to Class A common stock, as reported on this Form 4, another portion of this derivative security was canceled for no consideration due to other distributions of Class A common stock by Neptune Holding US Limited Partnership ("Neptune Holding US LP").

F1 · derivative.expiration_date: Class A Units represent a contingent right to receive shares of Class A common stock of the Issuer in the discretion of Neptune Holding US GP LLC. At the time a portion of this derivative security was converted to Class A common stock, as reported on this Form 4, another portion of this derivative security was canceled for no consideration due to other distributions of Class A common stock by Neptune Holding US Limited Partnership ("Neptune Holding US LP").

F2 · ownership.nature: Next Alt S.a r.l. ("Next Alt") is a personal holding company of Mr. Drahi, who is its controlling shareholder. As of the date of this report, Next Alt is the holder of [67.53]% of the share capital and voting rights of Altice Europe N.V. Altice Europe N.V. maintains a one-tier board of four executive board members, one of whom is Mr. Drahi, and four non-executive board members. The executive board members are appointed by shareholders at the general meeting at the binding nomination of Next Alt. Altice Europe N.V. owns a direct controlling interest in CVC 3 B.V. ("CVC 3"). Mr. Drahi, Next Alt and Altice Europe N.V. may each be deemed to beneficially own the shares of the Issuer owned by CVC 3.

F3 · ownership.nature: Mr. Drahi is the sole controlling shareholder of Uppernext S.C.S.p ("Uppernext"). As such, Mr. Drahi may be deemed to beneficially own shares of the Issuer held by Uppernext. A4 S.A., which is controlled by the family of Mr. Drahi, is an executive board member of Altice Europe N.V. Mr. Drahi is a director of the Issuer and Next Alt and A4 S.A. are parties to a stockholders agreement with the Issuer pursuant to which they have certain rights to appoint directors of the Issuer.

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: 0000947871-19-000183 · ownership.xml · nonDerivative · entry 1

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

Drahi Patrick · CIK 0001709689 · Director · 10% owner

A4 S.A. · CIK 0001709665 · Director

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

10b5-1 filing: Not disclosed

Ownership: Indirect · CVC 3 B.V.

Disclosed balance after: 9,882,040

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 · price: Class A Units represent a contingent right to receive shares of Class A common stock of the Issuer in the discretion of Neptune Holding US GP LLC. At the time a portion of this derivative security was converted to Class A common stock, as reported on this Form 4, another portion of this derivative security was canceled for no consideration due to other distributions of Class A common stock by Neptune Holding US Limited Partnership ("Neptune Holding US LP").

F2 · ownership.nature: Next Alt S.a r.l. ("Next Alt") is a personal holding company of Mr. Drahi, who is its controlling shareholder. As of the date of this report, Next Alt is the holder of [67.53]% of the share capital and voting rights of Altice Europe N.V. Altice Europe N.V. maintains a one-tier board of four executive board members, one of whom is Mr. Drahi, and four non-executive board members. The executive board members are appointed by shareholders at the general meeting at the binding nomination of Next Alt. Altice Europe N.V. owns a direct controlling interest in CVC 3 B.V. ("CVC 3"). Mr. Drahi, Next Alt and Altice Europe N.V. may each be deemed to beneficially own the shares of the Issuer owned by CVC 3.

F3 · ownership.nature: Mr. Drahi is the sole controlling shareholder of Uppernext S.C.S.p ("Uppernext"). As such, Mr. Drahi may be deemed to beneficially own shares of the Issuer held by Uppernext. A4 S.A., which is controlled by the family of Mr. Drahi, is an executive board member of Altice Europe N.V. Mr. Drahi is a director of the Issuer and Next Alt and A4 S.A. are parties to a stockholders agreement with the Issuer pursuant to which they have certain rights to appoint directors of the Issuer.

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: 0000947871-19-000124 · ownership.xml · derivative · entry 8

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

Drahi Patrick · CIK 0001709689 · Director · 10% owner

A4 S.A. · CIK 0001709665 · Director

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

10b5-1 filing: Not disclosed

Ownership: Indirect · CVC 3 B.V.

Disclosed balance after: 27,748,929

Underlying: Class A common stock · 76,855 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.

F1 · derivative.exercise_price: Class A Units represent a contingent right to receive shares of Class A common stock of the Issuer in the discretion of Neptune Holding US GP LLC. At the time a portion of this derivative security was converted to Class A common stock, as reported on this Form 4, another portion of this derivative security was canceled for no consideration due to other distributions of Class A common stock by Neptune Holding US Limited Partnership ("Neptune Holding US LP").

F1 · derivative.exercise_date: Class A Units represent a contingent right to receive shares of Class A common stock of the Issuer in the discretion of Neptune Holding US GP LLC. At the time a portion of this derivative security was converted to Class A common stock, as reported on this Form 4, another portion of this derivative security was canceled for no consideration due to other distributions of Class A common stock by Neptune Holding US Limited Partnership ("Neptune Holding US LP").

F1 · derivative.expiration_date: Class A Units represent a contingent right to receive shares of Class A common stock of the Issuer in the discretion of Neptune Holding US GP LLC. At the time a portion of this derivative security was converted to Class A common stock, as reported on this Form 4, another portion of this derivative security was canceled for no consideration due to other distributions of Class A common stock by Neptune Holding US Limited Partnership ("Neptune Holding US LP").

F2 · ownership.nature: Next Alt S.a r.l. ("Next Alt") is a personal holding company of Mr. Drahi, who is its controlling shareholder. As of the date of this report, Next Alt is the holder of 67.53% of the share capital and voting rights of Altice Europe N.V. Altice Europe N.V. maintains a one-tier board of four executive board members, one of whom is Mr. Drahi, and four non-executive board members. The executive board members are appointed by shareholders at the general meeting at the binding nomination of Next Alt. Altice Europe N.V. owns a direct controlling interest in CVC 3 B.V. ("CVC 3"). Mr. Drahi, Next Alt and Altice Europe N.V. may each be deemed to beneficially own the shares of the Issuer owned by CVC 3.

F3 · ownership.nature: Mr. Drahi is the sole controlling shareholder of Uppernext S.C.S.p ("Uppernext"). As such, Mr. Drahi may be deemed to beneficially own shares of the Issuer held by Uppernext. A4 S.A., which is controlled by the family of Mr. Drahi, is an executive board member of Altice Europe N.V. Mr. Drahi is a director of the Issuer and Next Alt and A4 S.A. are parties to a stockholders agreement with the Issuer pursuant to which they have certain rights to appoint directors of the Issuer.

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: 0000947871-19-000124 · ownership.xml · nonDerivative · entry 3

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

Drahi Patrick · CIK 0001709689 · Director · 10% owner

A4 S.A. · CIK 0001709665 · Director

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

10b5-1 filing: Not disclosed

Ownership: Indirect · CVC 3 B.V.

Disclosed balance after: 9,782,944

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

F1 · price: Class A Units represent a contingent right to receive shares of Class A common stock of the Issuer in the discretion of Neptune Holding US GP LLC. At the time a portion of this derivative security was converted to Class A common stock, as reported on this Form 4, another portion of this derivative security was canceled for no consideration due to other distributions of Class A common stock by Neptune Holding US Limited Partnership ("Neptune Holding US LP").

F2 · ownership.nature: Next Alt S.a r.l. ("Next Alt") is a personal holding company of Mr. Drahi, who is its controlling shareholder. As of the date of this report, Next Alt is the holder of 67.53% of the share capital and voting rights of Altice Europe N.V. Altice Europe N.V. maintains a one-tier board of four executive board members, one of whom is Mr. Drahi, and four non-executive board members. The executive board members are appointed by shareholders at the general meeting at the binding nomination of Next Alt. Altice Europe N.V. owns a direct controlling interest in CVC 3 B.V. ("CVC 3"). Mr. Drahi, Next Alt and Altice Europe N.V. may each be deemed to beneficially own the shares of the Issuer owned by CVC 3.

F3 · ownership.nature: Mr. Drahi is the sole controlling shareholder of Uppernext S.C.S.p ("Uppernext"). As such, Mr. Drahi may be deemed to beneficially own shares of the Issuer held by Uppernext. A4 S.A., which is controlled by the family of Mr. Drahi, is an executive board member of Altice Europe N.V. Mr. Drahi is a director of the Issuer and Next Alt and A4 S.A. are parties to a stockholders agreement with the Issuer pursuant to which they have certain rights to appoint directors of the Issuer.

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: 0000947871-19-000124 · ownership.xml · derivative · entry 10

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

Drahi Patrick · CIK 0001709689 · Director · 10% owner

A4 S.A. · CIK 0001709665 · Director

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: 416,393

Underlying: Class A common stock · 368,339 shares

Expires not disclosed

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

F5 · derivative.exercise_price: Class C Units represent a contingent right to receive, following vesting, shares of Class A common stock of the Issuer in the discretion of Neptune Holding US GP LLC.

F8 · derivative.exercise_date: These Class C Units vested 50% on December 21, 2017 and 25% on December 21, 2018. The remaining 25% will vest on December 21, 2019.

F8 · derivative.expiration_date: These Class C Units vested 50% on December 21, 2017 and 25% on December 21, 2018. The remaining 25% will vest on December 21, 2019.

F2 · ownership.nature: Next Alt S.a r.l. ("Next Alt") is a personal holding company of Mr. Drahi, who is its controlling shareholder. As of the date of this report, Next Alt is the holder of 67.53% of the share capital and voting rights of Altice Europe N.V. Altice Europe N.V. maintains a one-tier board of four executive board members, one of whom is Mr. Drahi, and four non-executive board members. The executive board members are appointed by shareholders at the general meeting at the binding nomination of Next Alt. Altice Europe N.V. owns a direct controlling interest in CVC 3 B.V. ("CVC 3"). Mr. Drahi, Next Alt and Altice Europe N.V. may each be deemed to beneficially own the shares of the Issuer owned by CVC 3.

F3 · ownership.nature: Mr. Drahi is the sole controlling shareholder of Uppernext S.C.S.p ("Uppernext"). As such, Mr. Drahi may be deemed to beneficially own shares of the Issuer held by Uppernext. A4 S.A., which is controlled by the family of Mr. Drahi, is an executive board member of Altice Europe N.V. Mr. Drahi is a director of the Issuer and Next Alt and A4 S.A. are parties to a stockholders agreement with the Issuer pursuant to which they have certain rights to appoint directors of the Issuer.

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: 0000947871-19-000124 · ownership.xml · derivative · entry 9

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

Drahi Patrick · CIK 0001709689 · Director · 10% owner

A4 S.A. · CIK 0001709665 · Director

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

10b5-1 filing: Not disclosed

Ownership: Indirect · CVC 3 B.V.

Disclosed balance after: 2,337,031

Underlying: Class A common stock · 358,558 shares

Expires not disclosed

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

F5 · derivative.exercise_price: Class C Units represent a contingent right to receive, following vesting, shares of Class A common stock of the Issuer in the discretion of Neptune Holding US GP LLC.

F7 · derivative.exercise_date: These Class C Units vest with CVC 3 upon the termination of employment of certain participants in the Neptune Management Limited Partnership Carry Unit Plan. At the time a portion of this derivative security was converted to Class A common stock, as reported on this Form 4, another portion of this derivative security was canceled for no consideration due to other distributions of Class A common stock by Neptune Holding US LP.

F7 · derivative.expiration_date: These Class C Units vest with CVC 3 upon the termination of employment of certain participants in the Neptune Management Limited Partnership Carry Unit Plan. At the time a portion of this derivative security was converted to Class A common stock, as reported on this Form 4, another portion of this derivative security was canceled for no consideration due to other distributions of Class A common stock by Neptune Holding US LP.

F2 · ownership.nature: Next Alt S.a r.l. ("Next Alt") is a personal holding company of Mr. Drahi, who is its controlling shareholder. As of the date of this report, Next Alt is the holder of 67.53% of the share capital and voting rights of Altice Europe N.V. Altice Europe N.V. maintains a one-tier board of four executive board members, one of whom is Mr. Drahi, and four non-executive board members. The executive board members are appointed by shareholders at the general meeting at the binding nomination of Next Alt. Altice Europe N.V. owns a direct controlling interest in CVC 3 B.V. ("CVC 3"). Mr. Drahi, Next Alt and Altice Europe N.V. may each be deemed to beneficially own the shares of the Issuer owned by CVC 3.

F3 · ownership.nature: Mr. Drahi is the sole controlling shareholder of Uppernext S.C.S.p ("Uppernext"). As such, Mr. Drahi may be deemed to beneficially own shares of the Issuer held by Uppernext. A4 S.A., which is controlled by the family of Mr. Drahi, is an executive board member of Altice Europe N.V. Mr. Drahi is a director of the Issuer and Next Alt and A4 S.A. are parties to a stockholders agreement with the Issuer pursuant to which they have certain rights to appoint directors of the Issuer.

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: 0000947871-19-000124 · ownership.xml · derivative · entry 7

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

Drahi Patrick · CIK 0001709689 · Director · 10% owner

A4 S.A. · CIK 0001709665 · Director

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

10b5-1 filing: Not disclosed

Ownership: Indirect · CVC 3 B.V.

Disclosed balance after: 27,874,512

Underlying: Class A common stock · 2,640,111 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.

F1 · derivative.exercise_price: Class A Units represent a contingent right to receive shares of Class A common stock of the Issuer in the discretion of Neptune Holding US GP LLC. At the time a portion of this derivative security was converted to Class A common stock, as reported on this Form 4, another portion of this derivative security was canceled for no consideration due to other distributions of Class A common stock by Neptune Holding US Limited Partnership ("Neptune Holding US LP").

F1 · derivative.exercise_date: Class A Units represent a contingent right to receive shares of Class A common stock of the Issuer in the discretion of Neptune Holding US GP LLC. At the time a portion of this derivative security was converted to Class A common stock, as reported on this Form 4, another portion of this derivative security was canceled for no consideration due to other distributions of Class A common stock by Neptune Holding US Limited Partnership ("Neptune Holding US LP").

F1 · derivative.expiration_date: Class A Units represent a contingent right to receive shares of Class A common stock of the Issuer in the discretion of Neptune Holding US GP LLC. At the time a portion of this derivative security was converted to Class A common stock, as reported on this Form 4, another portion of this derivative security was canceled for no consideration due to other distributions of Class A common stock by Neptune Holding US Limited Partnership ("Neptune Holding US LP").

F2 · ownership.nature: Next Alt S.a r.l. ("Next Alt") is a personal holding company of Mr. Drahi, who is its controlling shareholder. As of the date of this report, Next Alt is the holder of 67.53% of the share capital and voting rights of Altice Europe N.V. Altice Europe N.V. maintains a one-tier board of four executive board members, one of whom is Mr. Drahi, and four non-executive board members. The executive board members are appointed by shareholders at the general meeting at the binding nomination of Next Alt. Altice Europe N.V. owns a direct controlling interest in CVC 3 B.V. ("CVC 3"). Mr. Drahi, Next Alt and Altice Europe N.V. may each be deemed to beneficially own the shares of the Issuer owned by CVC 3.

F3 · ownership.nature: Mr. Drahi is the sole controlling shareholder of Uppernext S.C.S.p ("Uppernext"). As such, Mr. Drahi may be deemed to beneficially own shares of the Issuer held by Uppernext. A4 S.A., which is controlled by the family of Mr. Drahi, is an executive board member of Altice Europe N.V. Mr. Drahi is a director of the Issuer and Next Alt and A4 S.A. are parties to a stockholders agreement with the Issuer pursuant to which they have certain rights to appoint directors of the Issuer.

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: 0000947871-19-000124 · ownership.xml · nonDerivative · entry 4

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

Drahi Patrick · CIK 0001709689 · Director · 10% owner

A4 S.A. · CIK 0001709665 · Director

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: 7,894,688

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

F5 · price: Class C Units represent a contingent right to receive, following vesting, shares of Class A common stock of the Issuer in the discretion of Neptune Holding US GP LLC.

F2 · ownership.nature: Next Alt S.a r.l. ("Next Alt") is a personal holding company of Mr. Drahi, who is its controlling shareholder. As of the date of this report, Next Alt is the holder of 67.53% of the share capital and voting rights of Altice Europe N.V. Altice Europe N.V. maintains a one-tier board of four executive board members, one of whom is Mr. Drahi, and four non-executive board members. The executive board members are appointed by shareholders at the general meeting at the binding nomination of Next Alt. Altice Europe N.V. owns a direct controlling interest in CVC 3 B.V. ("CVC 3"). Mr. Drahi, Next Alt and Altice Europe N.V. may each be deemed to beneficially own the shares of the Issuer owned by CVC 3.

F3 · ownership.nature: Mr. Drahi is the sole controlling shareholder of Uppernext S.C.S.p ("Uppernext"). As such, Mr. Drahi may be deemed to beneficially own shares of the Issuer held by Uppernext. A4 S.A., which is controlled by the family of Mr. Drahi, is an executive board member of Altice Europe N.V. Mr. Drahi is a director of the Issuer and Next Alt and A4 S.A. are parties to a stockholders agreement with the Issuer pursuant to which they have certain rights to appoint directors of the Issuer.

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: 0000947871-19-000124 · ownership.xml · nonDerivative · entry 2

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

Drahi Patrick · CIK 0001709689 · Director · 10% owner

A4 S.A. · CIK 0001709665 · Director

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

10b5-1 filing: Not disclosed

Ownership: Indirect · CVC 3 B.V.

Disclosed balance after: 9,706,089

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

F5 · price: Class C Units represent a contingent right to receive, following vesting, shares of Class A common stock of the Issuer in the discretion of Neptune Holding US GP LLC.

F2 · ownership.nature: Next Alt S.a r.l. ("Next Alt") is a personal holding company of Mr. Drahi, who is its controlling shareholder. As of the date of this report, Next Alt is the holder of 67.53% of the share capital and voting rights of Altice Europe N.V. Altice Europe N.V. maintains a one-tier board of four executive board members, one of whom is Mr. Drahi, and four non-executive board members. The executive board members are appointed by shareholders at the general meeting at the binding nomination of Next Alt. Altice Europe N.V. owns a direct controlling interest in CVC 3 B.V. ("CVC 3"). Mr. Drahi, Next Alt and Altice Europe N.V. may each be deemed to beneficially own the shares of the Issuer owned by CVC 3.

F3 · ownership.nature: Mr. Drahi is the sole controlling shareholder of Uppernext S.C.S.p ("Uppernext"). As such, Mr. Drahi may be deemed to beneficially own shares of the Issuer held by Uppernext. A4 S.A., which is controlled by the family of Mr. Drahi, is an executive board member of Altice Europe N.V. Mr. Drahi is a director of the Issuer and Next Alt and A4 S.A. are parties to a stockholders agreement with the Issuer pursuant to which they have certain rights to appoint directors of the Issuer.

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: 0000947871-19-000124 · ownership.xml · nonDerivative · entry 1

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

Drahi Patrick · CIK 0001709689 · Director · 10% owner

A4 S.A. · CIK 0001709665 · Director

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

10b5-1 filing: Not disclosed

Ownership: Indirect · CVC 3 B.V.

Disclosed balance after: 9,347,531

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 · price: Class A Units represent a contingent right to receive shares of Class A common stock of the Issuer in the discretion of Neptune Holding US GP LLC. At the time a portion of this derivative security was converted to Class A common stock, as reported on this Form 4, another portion of this derivative security was canceled for no consideration due to other distributions of Class A common stock by Neptune Holding US Limited Partnership ("Neptune Holding US LP").

F2 · ownership.nature: Next Alt S.a r.l. ("Next Alt") is a personal holding company of Mr. Drahi, who is its controlling shareholder. As of the date of this report, Next Alt is the holder of 67.53% of the share capital and voting rights of Altice Europe N.V. Altice Europe N.V. maintains a one-tier board of four executive board members, one of whom is Mr. Drahi, and four non-executive board members. The executive board members are appointed by shareholders at the general meeting at the binding nomination of Next Alt. Altice Europe N.V. owns a direct controlling interest in CVC 3 B.V. ("CVC 3"). Mr. Drahi, Next Alt and Altice Europe N.V. may each be deemed to beneficially own the shares of the Issuer owned by CVC 3.

F3 · ownership.nature: Mr. Drahi is the sole controlling shareholder of Uppernext S.C.S.p ("Uppernext"). As such, Mr. Drahi may be deemed to beneficially own shares of the Issuer held by Uppernext. A4 S.A., which is controlled by the family of Mr. Drahi, is an executive board member of Altice Europe N.V. Mr. Drahi is a director of the Issuer and Next Alt and A4 S.A. are parties to a stockholders agreement with the Issuer pursuant to which they have certain rights to appoint directors of the Issuer.

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: 0000947871-19-000807 · ownership.xml · derivative · entry 6

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

Drahi Patrick · CIK 0001709689 · Director · 10% owner

A4 S.A. · CIK 0001709665 · Director

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: 422,783

Underlying: Class A common · 368,339 shares

Expires not disclosed

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

F5 · derivative.exercise_price: Class C Units represent a contingent right to receive, following vesting, shares of Class A common stock of the Issuer in the discretion of Neptune Holding US GP LLC.

F6 · derivative.exercise_date: These Class C Units vested 50% on December 21, 2017 and 25% on December 21, 2018. The remaining 25% will vest on December 21, 2019.

F6 · derivative.expiration_date: These Class C Units vested 50% on December 21, 2017 and 25% on December 21, 2018. The remaining 25% will vest on December 21, 2019.

F7 · balance_after: This report amends the original Form 4 filed by the Reporting Person on February 14, 2019 to correct the number of Class C Units that may be deemed to be beneficially owned by the Reporting Person following the reported transaction, which initially was reported as 416,393 shares of Class A common stock.

F2 · ownership.nature: Next Alt S.a r.l. ("Next Alt") is a personal holding company of Mr. Drahi, who is its controlling shareholder. As of the date of this report, Next Alt directly and indirectly owns 75.06% of the share capital and voting rights of Altice Europe N.V. Altice Europe N.V. maintains a one-tier board of four executive board members, one of whom is Mr. Drahi, and four non-executive board members. The executive board members are appointed by shareholders at the general meeting at the binding nomination of Next Alt. CVC 3 B.V. ("CVC 3") is wholly owned by Altice Europe N.V. Mr. Drahi, Next Alt and Altice Europe N.V. may each be deemed to beneficially own the shares of the Issuer owned by CVC 3.

F3 · ownership.nature: Mr. Drahi is the sole controlling shareholder of Uppernext S.C.S.p ("Uppernext"). As such, Mr. Drahi may be deemed to beneficially own shares of the Issuer held by Uppernext. A4 S.A., which is controlled by the family of Mr. Drahi, is an executive board member of Altice Europe N.V. Mr. Drahi is a director of the Issuer and Next Alt and A4 S.A. are parties to a stockholders agreement with the Issuer pursuant to which they have certain rights to appoint directors of the Issuer.

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: 0000947871-18-000909 · ownership.xml · derivative · entry 5

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

Drahi Patrick · CIK 0001709689 · Director · 10% owner

A4 S.A. · CIK 0001709665 · Director

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

10b5-1 filing: Not disclosed

Ownership: Indirect · CVC 3 B.V.

Disclosed balance after: 33,392,876

Underlying: Class A common stock · 39,161 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.

F1 · derivative.exercise_price: Class A Units represent a contingent right to receive shares of Class A common stock of the Issuer in the discretion of Neptune Holding US GP LLC. At the time a portion of this derivative security was converted to Class A common stock, as reported on this Form 4, another portion of this derivative security was canceled for no consideration due to other distributions of Class A common stock by Neptune Holding US Limited Partnership.

F1 · derivative.exercise_date: Class A Units represent a contingent right to receive shares of Class A common stock of the Issuer in the discretion of Neptune Holding US GP LLC. At the time a portion of this derivative security was converted to Class A common stock, as reported on this Form 4, another portion of this derivative security was canceled for no consideration due to other distributions of Class A common stock by Neptune Holding US Limited Partnership.

F1 · derivative.expiration_date: Class A Units represent a contingent right to receive shares of Class A common stock of the Issuer in the discretion of Neptune Holding US GP LLC. At the time a portion of this derivative security was converted to Class A common stock, as reported on this Form 4, another portion of this derivative security was canceled for no consideration due to other distributions of Class A common stock by Neptune Holding US Limited Partnership.

F2 · ownership.nature: Next Alt S.a r.l. ("Next Alt") is a personal holding company of Mr. Drahi, who is its controlling shareholder. As of the date of this report, Next Alt is the holder of 67.53% of the share capital and voting rights of Altice Europe N.V. Altice Europe N.V. maintains a one-tier board of four executive board members, one of whom is Mr. Drahi, and two non-executive board members. The executive board members are appointed by shareholders at the general meeting at the binding nomination of Next Alt. Altice Europe N.V. owns a direct controlling interest in CVC 3 B.V. ("CVC 3"). Mr. Drahi, Next Alt and Altice Europe N.V. may each be deemed to beneficially own the shares of the Issuer owned by CVC 3.

F3 · ownership.nature: Mr. Drahi is the sole controlling shareholder of Uppernext S.C.S.p ("Uppernext"). As such, Mr. Drahi may be deemed to beneficially own shares of the Issuer held by Uppernext. A4 S.A., which is controlled by the family of Mr. Drahi, is an executive board member of Altice Europe N.V. Mr. Drahi is a director of the Issuer and Next Alt and A4 S.A. are parties to a stockholders agreement with the Issuer pursuant to which they have certain rights to appoint directors of the Issuer.

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: 0000947871-18-000909 · ownership.xml · nonDerivative · entry 1

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

Drahi Patrick · CIK 0001709689 · Director · 10% owner

A4 S.A. · CIK 0001709665 · Director

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

10b5-1 filing: Not disclosed

Ownership: Indirect · CVC 3 B.V.

Disclosed balance after: 6,707,420

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 · price: Class A Units represent a contingent right to receive shares of Class A common stock of the Issuer in the discretion of Neptune Holding US GP LLC. At the time a portion of this derivative security was converted to Class A common stock, as reported on this Form 4, another portion of this derivative security was canceled for no consideration due to other distributions of Class A common stock by Neptune Holding US Limited Partnership.

F2 · ownership.nature: Next Alt S.a r.l. ("Next Alt") is a personal holding company of Mr. Drahi, who is its controlling shareholder. As of the date of this report, Next Alt is the holder of 67.53% of the share capital and voting rights of Altice Europe N.V. Altice Europe N.V. maintains a one-tier board of four executive board members, one of whom is Mr. Drahi, and two non-executive board members. The executive board members are appointed by shareholders at the general meeting at the binding nomination of Next Alt. Altice Europe N.V. owns a direct controlling interest in CVC 3 B.V. ("CVC 3"). Mr. Drahi, Next Alt and Altice Europe N.V. may each be deemed to beneficially own the shares of the Issuer owned by CVC 3.

F3 · ownership.nature: Mr. Drahi is the sole controlling shareholder of Uppernext S.C.S.p ("Uppernext"). As such, Mr. Drahi may be deemed to beneficially own shares of the Issuer held by Uppernext. A4 S.A., which is controlled by the family of Mr. Drahi, is an executive board member of Altice Europe N.V. Mr. Drahi is a director of the Issuer and Next Alt and A4 S.A. are parties to a stockholders agreement with the Issuer pursuant to which they have certain rights to appoint directors of the Issuer.

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: 0000947871-18-000795 · ownership.xml · derivative · entry 7

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

Drahi Patrick · CIK 0001709689 · Director · 10% owner

A4 S.A. · CIK 0001709665 · Director

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

10b5-1 filing: Not disclosed

Ownership: Indirect · CVC 3 B.V.

Disclosed balance after: 21,516,283

Underlying: Class A common stock · 132,867 shares

Expires not disclosed

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

F5 · derivative.exercise_price: Class C Units represent a contingent right to receive, following vesting, shares of Class A common stock of the Issuer in the discretion of Neptune Holding US GP LLC. These Class C Units vest with CVC 3 upon the termination of employment of certain participants in the Neptune Management Limited Partnership Carry Unit Plan.

F5 · derivative.exercise_date: Class C Units represent a contingent right to receive, following vesting, shares of Class A common stock of the Issuer in the discretion of Neptune Holding US GP LLC. These Class C Units vest with CVC 3 upon the termination of employment of certain participants in the Neptune Management Limited Partnership Carry Unit Plan.

F5 · derivative.expiration_date: Class C Units represent a contingent right to receive, following vesting, shares of Class A common stock of the Issuer in the discretion of Neptune Holding US GP LLC. These Class C Units vest with CVC 3 upon the termination of employment of certain participants in the Neptune Management Limited Partnership Carry Unit Plan.

F2 · ownership.nature: Next Alt S.a r.l. ("Next Alt") is a personal holding company of Mr. Drahi, who is its controlling shareholder. As of the date of this report, Next Alt is the holder of 67.53% of the share capital and voting rights of Altice Europe N.V. Altice Europe N.V. maintains a one-tier board of six executive board members, one of whom is Mr. Drahi, and two non-executive board members. The executive board members are appointed by shareholders at the general meeting at the binding nomination of Next Alt. Altice Europe N.V. owns a direct controlling interest in CVC 3 B.V. ("CVC 3"). Mr. Drahi, Next Alt and Altice Europe N.V. may each be deemed to beneficially own the shares of the Issuer owned by CVC 3.

F3 · ownership.nature: Mr. Drahi is the sole controlling shareholder of Uppernext S.C.S.p ("Uppernext"). As such, Mr. Drahi may be deemed to beneficially own shares of the Issuer held by Uppernext. A4 S.A., which is controlled by the family of Mr. Drahi, is an executive board member of Altice Europe N.V. Mr. Drahi is a director of the Issuer and Next Alt and A4 S.A. are parties to a stockholders agreement with the Issuer pursuant to which they have certain rights to appoint directors of the Issuer.

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: 0000947871-18-000795 · ownership.xml · derivative · entry 6

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

Drahi Patrick · CIK 0001709689 · Director · 10% owner

A4 S.A. · CIK 0001709665 · Director

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

10b5-1 filing: Not disclosed

Ownership: Indirect · CVC 3 B.V.

Disclosed balance after: 33,481,693

Underlying: Class A common stock · 104,124 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.

F1 · derivative.exercise_price: Class A Units represent a contingent right to receive shares of Class A common stock of the Issuer in the discretion of Neptune Holding US GP LLC.

F1 · derivative.exercise_date: Class A Units represent a contingent right to receive shares of Class A common stock of the Issuer in the discretion of Neptune Holding US GP LLC.

F1 · derivative.expiration_date: Class A Units represent a contingent right to receive shares of Class A common stock of the Issuer in the discretion of Neptune Holding US GP LLC.

F2 · ownership.nature: Next Alt S.a r.l. ("Next Alt") is a personal holding company of Mr. Drahi, who is its controlling shareholder. As of the date of this report, Next Alt is the holder of 67.53% of the share capital and voting rights of Altice Europe N.V. Altice Europe N.V. maintains a one-tier board of six executive board members, one of whom is Mr. Drahi, and two non-executive board members. The executive board members are appointed by shareholders at the general meeting at the binding nomination of Next Alt. Altice Europe N.V. owns a direct controlling interest in CVC 3 B.V. ("CVC 3"). Mr. Drahi, Next Alt and Altice Europe N.V. may each be deemed to beneficially own the shares of the Issuer owned by CVC 3.

F3 · ownership.nature: Mr. Drahi is the sole controlling shareholder of Uppernext S.C.S.p ("Uppernext"). As such, Mr. Drahi may be deemed to beneficially own shares of the Issuer held by Uppernext. A4 S.A., which is controlled by the family of Mr. Drahi, is an executive board member of Altice Europe N.V. Mr. Drahi is a director of the Issuer and Next Alt and A4 S.A. are parties to a stockholders agreement with the Issuer pursuant to which they have certain rights to appoint directors of the Issuer.

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: 0000947871-18-000795 · ownership.xml · nonDerivative · entry 2

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

Drahi Patrick · CIK 0001709689 · Director · 10% owner

A4 S.A. · CIK 0001709665 · Director

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

10b5-1 filing: Not disclosed

Ownership: Indirect · CVC 3 B.V.

Disclosed balance after: 6,668,259

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

F5 · price: Class C Units represent a contingent right to receive, following vesting, shares of Class A common stock of the Issuer in the discretion of Neptune Holding US GP LLC. These Class C Units vest with CVC 3 upon the termination of employment of certain participants in the Neptune Management Limited Partnership Carry Unit Plan.

F2 · ownership.nature: Next Alt S.a r.l. ("Next Alt") is a personal holding company of Mr. Drahi, who is its controlling shareholder. As of the date of this report, Next Alt is the holder of 67.53% of the share capital and voting rights of Altice Europe N.V. Altice Europe N.V. maintains a one-tier board of six executive board members, one of whom is Mr. Drahi, and two non-executive board members. The executive board members are appointed by shareholders at the general meeting at the binding nomination of Next Alt. Altice Europe N.V. owns a direct controlling interest in CVC 3 B.V. ("CVC 3"). Mr. Drahi, Next Alt and Altice Europe N.V. may each be deemed to beneficially own the shares of the Issuer owned by CVC 3.

F3 · ownership.nature: Mr. Drahi is the sole controlling shareholder of Uppernext S.C.S.p ("Uppernext"). As such, Mr. Drahi may be deemed to beneficially own shares of the Issuer held by Uppernext. A4 S.A., which is controlled by the family of Mr. Drahi, is an executive board member of Altice Europe N.V. Mr. Drahi is a director of the Issuer and Next Alt and A4 S.A. are parties to a stockholders agreement with the Issuer pursuant to which they have certain rights to appoint directors of the Issuer.

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: 0000947871-18-000795 · ownership.xml · nonDerivative · entry 1

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

Drahi Patrick · CIK 0001709689 · Director · 10% owner

A4 S.A. · CIK 0001709665 · Director

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

10b5-1 filing: Not disclosed

Ownership: Indirect · CVC 3 B.V.

Disclosed balance after: 6,535,392

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 · price: Class A Units represent a contingent right to receive shares of Class A common stock of the Issuer in the discretion of Neptune Holding US GP LLC.

F2 · ownership.nature: Next Alt S.a r.l. ("Next Alt") is a personal holding company of Mr. Drahi, who is its controlling shareholder. As of the date of this report, Next Alt is the holder of 67.53% of the share capital and voting rights of Altice Europe N.V. Altice Europe N.V. maintains a one-tier board of six executive board members, one of whom is Mr. Drahi, and two non-executive board members. The executive board members are appointed by shareholders at the general meeting at the binding nomination of Next Alt. Altice Europe N.V. owns a direct controlling interest in CVC 3 B.V. ("CVC 3"). Mr. Drahi, Next Alt and Altice Europe N.V. may each be deemed to beneficially own the shares of the Issuer owned by CVC 3.

F3 · ownership.nature: Mr. Drahi is the sole controlling shareholder of Uppernext S.C.S.p ("Uppernext"). As such, Mr. Drahi may be deemed to beneficially own shares of the Issuer held by Uppernext. A4 S.A., which is controlled by the family of Mr. Drahi, is an executive board member of Altice Europe N.V. Mr. Drahi is a director of the Issuer and Next Alt and A4 S.A. are parties to a stockholders agreement with the Issuer pursuant to which they have certain rights to appoint directors of the Issuer.

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: 0000947871-18-000754 · ownership.xml · derivative · entry 5

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

Drahi Patrick · CIK 0001709689 · Director · 10% owner

A4 S.A. · CIK 0001709665 · Director

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

10b5-1 filing: Not disclosed

Ownership: Indirect · CVC 3 B.V.

Disclosed balance after: 33,718,684

Underlying: Class A common stock · 77,487 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.

F1 · derivative.exercise_price: Class A Units represent a contingent right to receive shares of Class A common stock of the Issuer in the discretion of Neptune Holding US GP LLC. At the time a portion of this derivative security was converted to Class A common stock, as reported on this Form 4, another portion of this derivative security was canceled for no consideration due to other distributions of Class A common stock by Neptune Holding US Limited Partnership ("Neptune Holding US LP").

F1 · derivative.exercise_date: Class A Units represent a contingent right to receive shares of Class A common stock of the Issuer in the discretion of Neptune Holding US GP LLC. At the time a portion of this derivative security was converted to Class A common stock, as reported on this Form 4, another portion of this derivative security was canceled for no consideration due to other distributions of Class A common stock by Neptune Holding US Limited Partnership ("Neptune Holding US LP").

F1 · derivative.expiration_date: Class A Units represent a contingent right to receive shares of Class A common stock of the Issuer in the discretion of Neptune Holding US GP LLC. At the time a portion of this derivative security was converted to Class A common stock, as reported on this Form 4, another portion of this derivative security was canceled for no consideration due to other distributions of Class A common stock by Neptune Holding US Limited Partnership ("Neptune Holding US LP").

F2 · ownership.nature: Next Alt S.a r.l. ("Next Alt") is a personal holding company of Mr. Drahi, who is its controlling shareholder. As of the date of this report, Next Alt is the holder of 67.53% of the share capital and voting rights of Altice Europe N.V. Altice Europe N.V. maintains a one-tier board of six executive board members, one of whom is Mr. Drahi, and two non-executive board members. The executive board members are appointed by shareholders at the general meeting at the binding nomination of Next Alt. Altice Europe N.V. owns a direct controlling interest in CVC 3 B.V. ("CVC 3"). Mr. Drahi, Next Alt and Altice Europe N.V. may each be deemed to beneficially own the shares of the Issuer owned by CVC 3.

F3 · ownership.nature: Mr. Drahi is the sole controlling shareholder of Uppernext S.C.S.p ("Uppernext"). As such, Mr. Drahi may be deemed to beneficially own shares of the Issuer held by Uppernext. A4 S.A., which is controlled by the family of Mr. Drahi, is an executive board member of Altice Europe N.V. Mr. Drahi is a director of the Issuer and Next Alt and A4 S.A. are parties to a stockholders agreement with the Issuer pursuant to which they have certain rights to appoint directors of the Issuer.

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: 0000947871-18-000754 · ownership.xml · nonDerivative · entry 1

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

Drahi Patrick · CIK 0001709689 · Director · 10% owner

A4 S.A. · CIK 0001709665 · Director

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

10b5-1 filing: Not disclosed

Ownership: Indirect · CVC 3 B.V.

Disclosed balance after: 6,431,268

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 · price: Class A Units represent a contingent right to receive shares of Class A common stock of the Issuer in the discretion of Neptune Holding US GP LLC. At the time a portion of this derivative security was converted to Class A common stock, as reported on this Form 4, another portion of this derivative security was canceled for no consideration due to other distributions of Class A common stock by Neptune Holding US Limited Partnership ("Neptune Holding US LP").

F2 · ownership.nature: Next Alt S.a r.l. ("Next Alt") is a personal holding company of Mr. Drahi, who is its controlling shareholder. As of the date of this report, Next Alt is the holder of 67.53% of the share capital and voting rights of Altice Europe N.V. Altice Europe N.V. maintains a one-tier board of six executive board members, one of whom is Mr. Drahi, and two non-executive board members. The executive board members are appointed by shareholders at the general meeting at the binding nomination of Next Alt. Altice Europe N.V. owns a direct controlling interest in CVC 3 B.V. ("CVC 3"). Mr. Drahi, Next Alt and Altice Europe N.V. may each be deemed to beneficially own the shares of the Issuer owned by CVC 3.

F3 · ownership.nature: Mr. Drahi is the sole controlling shareholder of Uppernext S.C.S.p ("Uppernext"). As such, Mr. Drahi may be deemed to beneficially own shares of the Issuer held by Uppernext. A4 S.A., which is controlled by the family of Mr. Drahi, is an executive board member of Altice Europe N.V. Mr. Drahi is a director of the Issuer and Next Alt and A4 S.A. are parties to a stockholders agreement with the Issuer pursuant to which they have certain rights to appoint directors of the Issuer.

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: 0000947871-18-000705 · ownership.xml · derivative · entry 5

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

Drahi Patrick · CIK 0001709689 · Director · 10% owner

A4 S.A. · CIK 0001709665 · Director

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

10b5-1 filing: Not disclosed

Ownership: Indirect · CVC 3 B.V.

Disclosed balance after: 33,896,545

Underlying: Class A common stock · 259,148 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.

F1 · derivative.exercise_price: Class A Units represent a contingent right to receive shares of Class A common stock of the Issuer in the discretion of Neptune Holding US GP LLC. At the time a portion of this derivative security was converted to Class A common stock, as reported on this Form 4, another portion of this derivative security was canceled for no consideration due to other distributions of Class A common stock by Neptune Holding US Limited Partnership ("Neptune Holding US LP").

F1 · derivative.exercise_date: Class A Units represent a contingent right to receive shares of Class A common stock of the Issuer in the discretion of Neptune Holding US GP LLC. At the time a portion of this derivative security was converted to Class A common stock, as reported on this Form 4, another portion of this derivative security was canceled for no consideration due to other distributions of Class A common stock by Neptune Holding US Limited Partnership ("Neptune Holding US LP").

F1 · derivative.expiration_date: Class A Units represent a contingent right to receive shares of Class A common stock of the Issuer in the discretion of Neptune Holding US GP LLC. At the time a portion of this derivative security was converted to Class A common stock, as reported on this Form 4, another portion of this derivative security was canceled for no consideration due to other distributions of Class A common stock by Neptune Holding US Limited Partnership ("Neptune Holding US LP").

F2 · ownership.nature: Next Alt S.a r.l. ("Next Alt") is a personal holding company of Mr. Drahi, who is its controlling shareholder. As of the date of this report, Next Alt is the holder of 67.53% of the share capital and voting rights of Altice Europe N.V. Altice Europe N.V. maintains a one-tier board of six executive board members, one of whom is Mr. Drahi, and two non-executive board members. The executive board members are appointed by shareholders at the general meeting at the binding nomination of Next Alt. Altice Europe N.V. owns a direct controlling interest in CVC 3 B.V. ("CVC 3"). Mr. Drahi, Next Alt and Altice Europe N.V. may each be deemed to beneficially own the shares of the Issuer owned by CVC 3.

F3 · ownership.nature: Mr. Drahi is the sole controlling shareholder of Uppernext S.C.S.p ("Uppernext"). As such, Mr. Drahi may be deemed to beneficially own shares of the Issuer held by Uppernext. A4 S.A., which is controlled by the family of Mr. Drahi, is an executive board member of Altice Europe N.V. Mr. Drahi is a director of the Issuer and Next Alt and A4 S.A. are parties to a stockholders agreement with the Issuer pursuant to which they have certain rights to appoint directors of the Issuer.

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: 0000947871-18-000705 · ownership.xml · nonDerivative · entry 1

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

Drahi Patrick · CIK 0001709689 · Director · 10% owner

A4 S.A. · CIK 0001709665 · Director

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

10b5-1 filing: Not disclosed

Ownership: Indirect · CVC 3 B.V.

Disclosed balance after: 6,353,781

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 · price: Class A Units represent a contingent right to receive shares of Class A common stock of the Issuer in the discretion of Neptune Holding US GP LLC. At the time a portion of this derivative security was converted to Class A common stock, as reported on this Form 4, another portion of this derivative security was canceled for no consideration due to other distributions of Class A common stock by Neptune Holding US Limited Partnership ("Neptune Holding US LP").

F2 · ownership.nature: Next Alt S.a r.l. ("Next Alt") is a personal holding company of Mr. Drahi, who is its controlling shareholder. As of the date of this report, Next Alt is the holder of 67.53% of the share capital and voting rights of Altice Europe N.V. Altice Europe N.V. maintains a one-tier board of six executive board members, one of whom is Mr. Drahi, and two non-executive board members. The executive board members are appointed by shareholders at the general meeting at the binding nomination of Next Alt. Altice Europe N.V. owns a direct controlling interest in CVC 3 B.V. ("CVC 3"). Mr. Drahi, Next Alt and Altice Europe N.V. may each be deemed to beneficially own the shares of the Issuer owned by CVC 3.

F3 · ownership.nature: Mr. Drahi is the sole controlling shareholder of Uppernext S.C.S.p ("Uppernext"). As such, Mr. Drahi may be deemed to beneficially own shares of the Issuer held by Uppernext. A4 S.A., which is controlled by the family of Mr. Drahi, is an executive board member of Altice Europe N.V. Mr. Drahi is a director of the Issuer and Next Alt and A4 S.A. are parties to a stockholders agreement with the Issuer pursuant to which they have certain rights to appoint directors of the Issuer.

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: 0000947871-18-000628 · ownership.xml · derivative · entry 5

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

Drahi Patrick · CIK 0001709689 · Director · 10% owner

A4 S.A. · CIK 0001709665 · Director

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

10b5-1 filing: Not disclosed

Ownership: Indirect · CVC 3 B.V.

Disclosed balance after: 34,426,251

Underlying: Class A Common Stock · 156,287 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.

F1 · derivative.exercise_price: Class A Units represent a contingent right to receive shares of Class A common stock of the Issuer in the discretion of Neptune Holding US GP LLC. At the time a portion of this derivative security was converted to Class A common stock, as reported on this Form 4, another portion of this derivative security was canceled for no consideration due to other distributions of Class A common stock by Neptune Holding US Limited Partnership ("Neptune Holding US LP").

F1 · derivative.exercise_date: Class A Units represent a contingent right to receive shares of Class A common stock of the Issuer in the discretion of Neptune Holding US GP LLC. At the time a portion of this derivative security was converted to Class A common stock, as reported on this Form 4, another portion of this derivative security was canceled for no consideration due to other distributions of Class A common stock by Neptune Holding US Limited Partnership ("Neptune Holding US LP").

F1 · derivative.expiration_date: Class A Units represent a contingent right to receive shares of Class A common stock of the Issuer in the discretion of Neptune Holding US GP LLC. At the time a portion of this derivative security was converted to Class A common stock, as reported on this Form 4, another portion of this derivative security was canceled for no consideration due to other distributions of Class A common stock by Neptune Holding US Limited Partnership ("Neptune Holding US LP").

F2 · ownership.nature: Next Alt S.a r.l. ("Next Alt") is a personal holding company of Mr. Drahi, who is its controlling shareholder. As of the date of this report, Next Alt is the holder of 67.53% of the share capital and voting rights of Altice Europe N.V. Altice Europe N.V. maintains a one-tier board of six executive board members, one of whom is Mr. Drahi, and two non-executive board members. The executive board members are appointed by shareholders at the general meeting at the binding nomination of Next Alt. Altice Europe N.V. owns a direct controlling interest in CVC 3 B.V. ("CVC 3"). Mr. Drahi, Next Alt and Altice Europe N.V. may each be deemed to beneficially own the shares of the Issuer owned by CVC 3.

F3 · ownership.nature: Mr. Drahi is the sole controlling shareholder of Uppernext S.C.S.p ("Uppernext"). As such, Mr. Drahi may be deemed to beneficially own shares of the Issuer held by Uppernext. A4 S.A., which is controlled by the family of Mr. Drahi, is an executive board member of Altice Europe N.V. Mr. Drahi is a director of the Issuer and Next Alt and A4 S.A. are parties to a stockholders agreement with the Issuer pursuant to which they have certain rights to appoint directors of the Issuer.

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: 0000947871-18-000628 · ownership.xml · nonDerivative · entry 1

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

Drahi Patrick · CIK 0001709689 · Director · 10% owner

A4 S.A. · CIK 0001709665 · Director

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

10b5-1 filing: Not disclosed

Ownership: Indirect · CVC 3 B.V.

Disclosed balance after: 6,094,633

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 · price: Class A Units represent a contingent right to receive shares of Class A common stock of the Issuer in the discretion of Neptune Holding US GP LLC. At the time a portion of this derivative security was converted to Class A common stock, as reported on this Form 4, another portion of this derivative security was canceled for no consideration due to other distributions of Class A common stock by Neptune Holding US Limited Partnership ("Neptune Holding US LP").

F2 · ownership.nature: Next Alt S.a r.l. ("Next Alt") is a personal holding company of Mr. Drahi, who is its controlling shareholder. As of the date of this report, Next Alt is the holder of 67.53% of the share capital and voting rights of Altice Europe N.V. Altice Europe N.V. maintains a one-tier board of six executive board members, one of whom is Mr. Drahi, and two non-executive board members. The executive board members are appointed by shareholders at the general meeting at the binding nomination of Next Alt. Altice Europe N.V. owns a direct controlling interest in CVC 3 B.V. ("CVC 3"). Mr. Drahi, Next Alt and Altice Europe N.V. may each be deemed to beneficially own the shares of the Issuer owned by CVC 3.

F3 · ownership.nature: Mr. Drahi is the sole controlling shareholder of Uppernext S.C.S.p ("Uppernext"). As such, Mr. Drahi may be deemed to beneficially own shares of the Issuer held by Uppernext. A4 S.A., which is controlled by the family of Mr. Drahi, is an executive board member of Altice Europe N.V. Mr. Drahi is a director of the Issuer and Next Alt and A4 S.A. are parties to a stockholders agreement with the Issuer pursuant to which they have certain rights to appoint directors of the Issuer.

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: 0000947871-18-000552 · ss98885_4.xml · derivative · entry 5

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

Drahi Patrick · CIK 0001709689 · Director · 10% owner

A4 S.A. · CIK 0001709665 · Director

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

10b5-1 filing: Not disclosed

Ownership: Indirect · CVC 3 B.V.

Disclosed balance after: 34,738,444

Underlying: Class A common stock · 94,070 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.

F1 · derivative.exercise_price: Class A Units represent a contingent right to receive shares of Class A common stock of the Issuer in the discretion of Neptune Holding US GP LLC. At the time a portion of this derivative security was converted to Class A common stock, as reported on this Form 4, another portion of this derivative security was canceled for no consideration due to other distributions of Class A common stock by Neptune Holding US Limited Partnership ("Neptune Holding US LP").

F1 · derivative.exercise_date: Class A Units represent a contingent right to receive shares of Class A common stock of the Issuer in the discretion of Neptune Holding US GP LLC. At the time a portion of this derivative security was converted to Class A common stock, as reported on this Form 4, another portion of this derivative security was canceled for no consideration due to other distributions of Class A common stock by Neptune Holding US Limited Partnership ("Neptune Holding US LP").

F1 · derivative.expiration_date: Class A Units represent a contingent right to receive shares of Class A common stock of the Issuer in the discretion of Neptune Holding US GP LLC. At the time a portion of this derivative security was converted to Class A common stock, as reported on this Form 4, another portion of this derivative security was canceled for no consideration due to other distributions of Class A common stock by Neptune Holding US Limited Partnership ("Neptune Holding US LP").

F2 · ownership.nature: Next Alt S.a r.l. ("Next Alt") is a personal holding company of Mr. Drahi, who is its controlling shareholder. As of the date of this report, Next Alt is the holder of 67.54% of the share capital and voting rights of Altice Europe N.V. Altice Europe N.V. maintains a one-tier board of four executive board members and three non-executive board members. The executive board members are appointed by shareholders at the general meeting at the binding nomination of Next Alt. Altice Europe N.V. owns a direct controlling interest in CVC 3 B.V. ("CVC 3"). Mr. Drahi, Next Alt and Altice Europe N.V. may each be deemed to beneficially own the shares of the Issuer owned by CVC 3.

F3 · ownership.nature: Mr. Drahi is the sole controlling shareholder of Uppernext S.C.S.p ("Uppernext"). As such, Mr. Drahi may be deemed to beneficially own shares of the Issuer held by Uppernext. A4 S.A., which is controlled by the family of Mr. Drahi, is an executive board member of Altice Europe N.V. Mr. Drahi is a director of the Issuer and Next Alt and A4 S.A. are parties to a stockholders agreement with the Issuer pursuant to which they have certain rights to appoint directors of the Issuer.

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.