A4 S.A.

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

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

Drahi Patrick · CIK 0001709689 · 10% owner

A4 S.A. · CIK 0001709665 · 10% owner

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

10b5-1 filing: Not disclosed

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

Disclosed balance after: 0

Underlying: Class A common stock · 600,604 shares

Expires 2027-12-30

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

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

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

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

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

Drahi Patrick · CIK 0001709689 · 10% owner

A4 S.A. · CIK 0001709665 · 10% owner

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

10b5-1 filing: Not disclosed

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

Disclosed balance after: 6,343,893

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

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

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

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

Drahi Patrick · CIK 0001709689 · 10% owner

A4 S.A. · CIK 0001709665 · 10% owner

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

10b5-1 filing: Not disclosed

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

Disclosed balance after: 6,631,501

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

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

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

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

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

Drahi Patrick · CIK 0001709689 · 10% owner

A4 S.A. · CIK 0001709665 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 33,159,144

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

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

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

Drahi Patrick · CIK 0001709689 · 10% owner

A4 S.A. · CIK 0001709665 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 34,719,305

SEC source: 0001567619-20-020371 · doc1.xml · derivative · entry 5

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

Drahi Patrick · CIK 0001709689 · 10% owner

A4 S.A. · CIK 0001709665 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 33,819,573

Underlying: Class A common stock · 33,819,573 shares

Expires not disclosed

F1 · derivative.exercise_price: On November 23, 2020 and simultaneously with the sale reported in Table I, the reporting person amended the terms of existing bilateral European capped call transactions ("Capped Calls") with a financial institution counterparty with respect to 33,819,573 shares of Class A common stock of Altice USA, Inc. The purpose of the amendment was to change the strike prices of such Capped Calls and extend the maturity thereof. The Capped Calls will now expire in equal tranches over a 42 scheduled trading day period, beginning in October 2024. Next Alt received $83,000,000 in connection with the amendment. For each Capped Call (of which there are three on each trading day, each at different strike prices), Next Alt will be required to deliver to the counterparty a number of shares of Class A common stock equal to the amount set forth in (5).

F5 · derivative.exercise_price: (i) if the then-current value of the shares (the "Settlement Price") is below the lower strike price (98.5%, 103.5% or 108.5% of the reference price), zero; (ii) if the Settlement Price is equal to or above the lower strike price but is equal to or below the higher strike price (149.6%, 154.6% or 159.6% of the reference price), then (x) the product of the number of shares under such Capped Call and the lower strike price divided by (y) the Settlement Price; or (iii) if the Settlement Price is above the higher strike price, (x) the product of (A) the number of shares under such Capped Call and (B) the sum of (I) the lower strike price and (II) the excess, if any, of the Settlement Price over the higher strike price, divided by (y) the Settlement Price.

F1 · kind: On November 23, 2020 and simultaneously with the sale reported in Table I, the reporting person amended the terms of existing bilateral European capped call transactions ("Capped Calls") with a financial institution counterparty with respect to 33,819,573 shares of Class A common stock of Altice USA, Inc. The purpose of the amendment was to change the strike prices of such Capped Calls and extend the maturity thereof. The Capped Calls will now expire in equal tranches over a 42 scheduled trading day period, beginning in October 2024. Next Alt received $83,000,000 in connection with the amendment. For each Capped Call (of which there are three on each trading day, each at different strike prices), Next Alt will be required to deliver to the counterparty a number of shares of Class A common stock equal to the amount set forth in (5).

F5 · kind: (i) if the then-current value of the shares (the "Settlement Price") is below the lower strike price (98.5%, 103.5% or 108.5% of the reference price), zero; (ii) if the Settlement Price is equal to or above the lower strike price but is equal to or below the higher strike price (149.6%, 154.6% or 159.6% of the reference price), then (x) the product of the number of shares under such Capped Call and the lower strike price divided by (y) the Settlement Price; or (iii) if the Settlement Price is above the higher strike price, (x) the product of (A) the number of shares under such Capped Call and (B) the sum of (I) the lower strike price and (II) the excess, if any, of the Settlement Price over the higher strike price, divided by (y) the Settlement Price.

F1 · price: On November 23, 2020 and simultaneously with the sale reported in Table I, the reporting person amended the terms of existing bilateral European capped call transactions ("Capped Calls") with a financial institution counterparty with respect to 33,819,573 shares of Class A common stock of Altice USA, Inc. The purpose of the amendment was to change the strike prices of such Capped Calls and extend the maturity thereof. The Capped Calls will now expire in equal tranches over a 42 scheduled trading day period, beginning in October 2024. Next Alt received $83,000,000 in connection with the amendment. For each Capped Call (of which there are three on each trading day, each at different strike prices), Next Alt will be required to deliver to the counterparty a number of shares of Class A common stock equal to the amount set forth in (5).

F5 · price: (i) if the then-current value of the shares (the "Settlement Price") is below the lower strike price (98.5%, 103.5% or 108.5% of the reference price), zero; (ii) if the Settlement Price is equal to or above the lower strike price but is equal to or below the higher strike price (149.6%, 154.6% or 159.6% of the reference price), then (x) the product of the number of shares under such Capped Call and the lower strike price divided by (y) the Settlement Price; or (iii) if the Settlement Price is above the higher strike price, (x) the product of (A) the number of shares under such Capped Call and (B) the sum of (I) the lower strike price and (II) the excess, if any, of the Settlement Price over the higher strike price, divided by (y) the Settlement Price.

F1 · derivative.exercise_date: On November 23, 2020 and simultaneously with the sale reported in Table I, the reporting person amended the terms of existing bilateral European capped call transactions ("Capped Calls") with a financial institution counterparty with respect to 33,819,573 shares of Class A common stock of Altice USA, Inc. The purpose of the amendment was to change the strike prices of such Capped Calls and extend the maturity thereof. The Capped Calls will now expire in equal tranches over a 42 scheduled trading day period, beginning in October 2024. Next Alt received $83,000,000 in connection with the amendment. For each Capped Call (of which there are three on each trading day, each at different strike prices), Next Alt will be required to deliver to the counterparty a number of shares of Class A common stock equal to the amount set forth in (5).

F5 · derivative.exercise_date: (i) if the then-current value of the shares (the "Settlement Price") is below the lower strike price (98.5%, 103.5% or 108.5% of the reference price), zero; (ii) if the Settlement Price is equal to or above the lower strike price but is equal to or below the higher strike price (149.6%, 154.6% or 159.6% of the reference price), then (x) the product of the number of shares under such Capped Call and the lower strike price divided by (y) the Settlement Price; or (iii) if the Settlement Price is above the higher strike price, (x) the product of (A) the number of shares under such Capped Call and (B) the sum of (I) the lower strike price and (II) the excess, if any, of the Settlement Price over the higher strike price, divided by (y) the Settlement Price.

F1 · derivative.expiration_date: On November 23, 2020 and simultaneously with the sale reported in Table I, the reporting person amended the terms of existing bilateral European capped call transactions ("Capped Calls") with a financial institution counterparty with respect to 33,819,573 shares of Class A common stock of Altice USA, Inc. The purpose of the amendment was to change the strike prices of such Capped Calls and extend the maturity thereof. The Capped Calls will now expire in equal tranches over a 42 scheduled trading day period, beginning in October 2024. Next Alt received $83,000,000 in connection with the amendment. For each Capped Call (of which there are three on each trading day, each at different strike prices), Next Alt will be required to deliver to the counterparty a number of shares of Class A common stock equal to the amount set forth in (5).

F5 · derivative.expiration_date: (i) if the then-current value of the shares (the "Settlement Price") is below the lower strike price (98.5%, 103.5% or 108.5% of the reference price), zero; (ii) if the Settlement Price is equal to or above the lower strike price but is equal to or below the higher strike price (149.6%, 154.6% or 159.6% of the reference price), then (x) the product of the number of shares under such Capped Call and the lower strike price divided by (y) the Settlement Price; or (iii) if the Settlement Price is above the higher strike price, (x) the product of (A) the number of shares under such Capped Call and (B) the sum of (I) the lower strike price and (II) the excess, if any, of the Settlement Price over the higher strike price, divided by (y) the Settlement Price.

F1 · balance_after: On November 23, 2020 and simultaneously with the sale reported in Table I, the reporting person amended the terms of existing bilateral European capped call transactions ("Capped Calls") with a financial institution counterparty with respect to 33,819,573 shares of Class A common stock of Altice USA, Inc. The purpose of the amendment was to change the strike prices of such Capped Calls and extend the maturity thereof. The Capped Calls will now expire in equal tranches over a 42 scheduled trading day period, beginning in October 2024. Next Alt received $83,000,000 in connection with the amendment. For each Capped Call (of which there are three on each trading day, each at different strike prices), Next Alt will be required to deliver to the counterparty a number of shares of Class A common stock equal to the amount set forth in (5).

F5 · balance_after: (i) if the then-current value of the shares (the "Settlement Price") is below the lower strike price (98.5%, 103.5% or 108.5% of the reference price), zero; (ii) if the Settlement Price is equal to or above the lower strike price but is equal to or below the higher strike price (149.6%, 154.6% or 159.6% of the reference price), then (x) the product of the number of shares under such Capped Call and the lower strike price divided by (y) the Settlement Price; or (iii) if the Settlement Price is above the higher strike price, (x) the product of (A) the number of shares under such Capped Call and (B) the sum of (I) the lower strike price and (II) the excess, if any, of the Settlement Price over the higher strike price, divided by (y) the Settlement Price.

SEC source: 0001567619-20-020371 · doc1.xml · nonDerivative · entry 1

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

Drahi Patrick · CIK 0001709689 · 10% owner

A4 S.A. · CIK 0001709665 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 37,069,305

SEC source: 0001140361-20-019977 · form4.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: Direct

Disclosed balance after: 38,069,305

SEC source: 0001140361-20-014582 · form4.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 · Altice CVC Lux S.a r.l.

Disclosed balance after: 18,172,626

F3 · price: Represents the weighted average sale price. The highest price at which shares were sold was $24.37 and the lowest price at which shares were sold was $23.81. The Reporting Person undertakes to provide any security holder of Altice USA, Inc. or the staff of the SEC, upon request, full information regarding the number of shares sold at each specific price. These sales were effected pursuant to a Rule 10b5-1 trading plan adopted by Altice CVC Lux on June 3, 2020.

F4 · 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 77.58% 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 CVC Lux is an indirect wholly owned subsidiary of 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 Altice CVC Lux.

F5 · 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.

F6 · 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: 0001140361-20-014636 · form4.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 · Altice CVC Lux S.a r.l.

Disclosed balance after: 260,000

F1 · 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 77.58% 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 CVC Lux S.a r.l. is an indirect wholly owned subsidiary of 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 Altice CVC Lux S.a r.l..

F2 · 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.

F3 · 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: 0001140361-20-014582 · form4.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 · Altice CVC Lux S.a r.l.

Disclosed balance after: 18,558,426

F2 · price: These sales were effected pursuant to a Rule 10b5-1 trading plan adopted by Altice CVC Lux S.a r.l. ("Altice CVC Lux") on June 3, 2020.

F4 · 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 77.58% 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 CVC Lux is an indirect wholly owned subsidiary of 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 Altice CVC Lux.

F5 · 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.

F6 · 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: 0001140361-20-014582 · form4.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 · Altice CVC Lux S.a r.l.

Disclosed balance after: 18,560,426

F1 · price: Represents the weighted average sale price. The highest price at which shares were sold was $24.77 and the lowest price at which shares were sold was $23.81. The Reporting Person undertakes to provide any security holder of Altice USA, Inc. or the staff of the Securities and Exchange Commission (the "SEC"), upon request, full information regarding the number of shares sold at each specific price. These sales were effected pursuant to a Rule 10b5-1 trading plan adopted by Altice CVC Lux S.a r.l. ("Altice CVC Lux") on June 3, 2020.

F4 · 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 77.58% 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 CVC Lux is an indirect wholly owned subsidiary of 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 Altice CVC Lux.

F5 · 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.

F6 · 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: 0001140361-20-014342 · form4.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 · Altice CVC Lux S.a r.l.

Disclosed balance after: 19,058,426

F2 · price: Represents the weighted average sale price. The highest price at which shares were sold was $24.64 and the lowest price at which shares were sold was $24.25. The Reporting Person undertakes to provide any security holder of Altice USA, Inc. or the staff of the SEC, upon request, full information regarding the number of shares sold at each specific price. These sales were effected pursuant to a Rule 10b5-1 trading plan adopted by Altice CVC Lux on June 3, 2020.

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 directly and indirectly owns 77.58% 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 CVC Lux is an indirect wholly owned subsidiary of 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 Altice CVC Lux.

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: 0001140361-20-014342 · form4.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 · Altice CVC Lux S.a r.l.

Disclosed balance after: 19,395,426

F1 · price: Represents the weighted average sale price. The highest price at which shares were sold was $25.36 and the lowest price at which shares were sold was $24.43. The Reporting Person undertakes to provide any security holder of Altice USA, Inc. or the staff of the Securities and Exchange Commission (the "SEC"), upon request, full information regarding the number of shares sold at each specific price. These sales were effected pursuant to a Rule 10b5-1 trading plan adopted by Altice CVC Lux S.a r.l. ("Altice CVC Lux") on June 3, 2020.

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 directly and indirectly owns 77.58% 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 CVC Lux is an indirect wholly owned subsidiary of 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 Altice CVC Lux.

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: 0001140361-20-014104 · form4.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 · Altice CVC Lux S.a r.l.

Disclosed balance after: 19,788,295

F2 · price: Represents the weighted average sale price. The highest price at which shares were sold was $25.25 and the lowest price at which shares were sold was $24.35. The Reporting Person undertakes to provide any security holder of Altice USA, Inc. or the staff of the SEC, upon request, full information regarding the number of shares sold at each specific price. These sales were effected pursuant to a Rule 10b5-1 trading plan adopted by Altice CVC Lux on June 3, 2020.

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 directly and indirectly owns 77.58% 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 CVC Lux is an indirect wholly owned subsidiary of 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 Altice CVC Lux.

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: 0001140361-20-014104 · form4.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 · Altice CVC Lux S.a r.l.

Disclosed balance after: 20,701,295

F1 · price: Represents the weighted average sale price. The highest price at which shares were sold was $23.98 and the lowest price at which shares were sold was $23.41. The Reporting Person undertakes to provide any security holder of Altice USA, Inc. or the staff of the Securities and Exchange Commission (the "SEC"), upon request, full information regarding the number of shares sold at each specific price. These sales were effected pursuant to a Rule 10b5-1 trading plan adopted by Altice CVC Lux S.a r.l. ("Altice CVC Lux") on June 3, 2020.

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 directly and indirectly owns 77.58% 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 CVC Lux is an indirect wholly owned subsidiary of 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 Altice CVC Lux.

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: 0001140361-20-013818 · form4.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 · Altice CVC Lux S.a r.l.

Disclosed balance after: 21,201,295

F2 · price: Represents the weighted average sale price. The highest price at which shares were sold was $24.80 and the lowest price at which shares were sold was $23.81. The Reporting Person undertakes to provide any security holder of Altice USA, Inc. or the staff of the SEC, upon request, full information regarding the number of shares sold at each specific price. These sales were effected pursuant to a Rule 10b5-1 trading plan adopted by Altice CVC Lux on June 3, 2020.

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 directly and indirectly owns 77.58% 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 CVC Lux is an indirect wholly owned subsidiary of 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 Altice CVC Lux.

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: 0001140361-20-013818 · form4.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 · Altice CVC Lux S.a r.l.

Disclosed balance after: 21,491,295

F1 · price: Represents the weighted average sale price. The highest price at which shares were sold was $25.07 and the lowest price at which shares were sold was $24.09. The Reporting Person undertakes to provide any security holder of Altice USA, Inc. or the staff of the Securities and Exchange Commission (the "SEC"), upon request, full information regarding the number of shares sold at each specific price. These sales were effected pursuant to a Rule 10b5-1 trading plan adopted by Altice CVC Lux S.a r.l. ("Altice CVC Lux") on June 3, 2020.

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 directly and indirectly owns 77.58% 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 CVC Lux is an indirect wholly owned subsidiary of 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 Altice CVC Lux.

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: 0001140361-20-013630 · form4.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 · Altice CVC Lux S.a r.l.

Disclosed balance after: 21,921,295

F2 · price: Represents the weighted average sale price. The highest price at which shares were sold was $26.01 and the lowest price at which shares were sold was $25.53. The Reporting Person undertakes to provide any security holder of Altice USA, Inc. or the staff of the SEC, upon request, full information regarding the number of shares sold at each specific price. These sales were effected pursuant to a Rule 10b5-1 trading plan adopted by Altice CVC Lux on June 3, 2020.

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 directly and indirectly owns 77.58% 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 CVC Lux is an indirect wholly owned subsidiary of 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 Altice CVC Lux.

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: 0001140361-20-013630 · form4.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 · Altice CVC Lux S.a r.l.

Disclosed balance after: 22,455,295

F1 · price: Represents the weighted average sale price. The highest price at which shares were sold was $26.33 and the lowest price at which shares were sold was $25.67. The Reporting Person undertakes to provide any security holder of Altice USA, Inc. or the staff of the Securities and Exchange Commission (the "SEC"), upon request, full information regarding the number of shares sold at each specific price. These sales were effected pursuant to a Rule 10b5-1 trading plan adopted by Altice CVC Lux S.a r.l. ("Altice CVC Lux") on June 3, 2020.

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 directly and indirectly owns 77.58% 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 CVC Lux is an indirect wholly owned subsidiary of 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 Altice CVC Lux.

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: 0001140361-20-013408 · form4.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 · Altice CVC Lux S.a r.l.

Disclosed balance after: 22,921,295

F2 · price: Represents the weighted average sale price. The highest price at which shares were sold was $26.62 and the lowest price at which shares were sold was $25.73. The Reporting Person undertakes to provide any security holder of Altice USA, Inc. or the staff of the SEC, upon request, full information regarding the number of shares sold at each specific price. These sales were effected pursuant to a Rule 10b5-1 trading plan adopted by Altice CVC Lux on June 3, 2020.

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 directly and indirectly owns 77.58% 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 CVC Lux is an indirect wholly owned subsidiary of 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 Altice CVC Lux.

F4 · ownership.nature: Mr. Drahi is the sole controlling shareholder of Uppernext S.C.Sp ("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: 0001140361-20-013408 · form4.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 · Altice CVC Lux S.a r.l.

Disclosed balance after: 23,711,295

F1 · price: Represents the weighted average sale price. The highest price at which shares were sold was $26.36 and the lowest price at which shares were sold was $25.75. The Reporting Person undertakes to provide any security holder of Altice USA, Inc. or the staff of the Securities and Exchange Commission (the "SEC"), upon request, full information regarding the number of shares sold at each specific price. These sales were effected pursuant to a Rule 10b5-1 trading plan adopted by Altice CVC Lux S.a r.l. ("Altice CVC Lux") on June 3, 2020.

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 directly and indirectly owns 77.58% 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 CVC Lux is an indirect wholly owned subsidiary of 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 Altice CVC Lux.

F4 · ownership.nature: Mr. Drahi is the sole controlling shareholder of Uppernext S.C.Sp ("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: 0001140361-20-013232 · form4.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 · Altice CVC Lux S.a r.l.

Disclosed balance after: 24,094,195

F1 · price: Represents the weighted average sale price. The highest price at which shares were sold was $26.21 and the lowest price at which shares were sold was $25.61. The Reporting Person undertakes to provide any security holder of Altice USA, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each specific price. These sales were effected pursuant to a Rule 10b5-1 trading plan adopted by Altice CVC Lux S.a r.l. ("Altice CVC Lux") on June 3, 2020.

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 77.58% 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 CVC Lux is an indirect wholly owned subsidiary of 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 Altice CVC Lux.

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: 0001140361-20-013232 · form4.xml · nonDerivative · 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: 6,030,897

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 77.58% 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 CVC Lux is an indirect wholly owned subsidiary of 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 Altice CVC Lux.

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: 0001140361-20-013232 · form4.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: Direct

Disclosed balance after: 41,369,305

SEC source: 0001140361-20-013232 · form4.xml · nonDerivative · 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 · UpperNext S.C.S.p

Disclosed balance after: 6,480,897

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 77.58% 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 CVC Lux is an indirect wholly owned subsidiary of 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 Altice CVC Lux.

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: 0001140361-20-013232 · form4.xml · nonDerivative · 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 · UpperNext S.C.S.p

Disclosed balance after: 6,502,657

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 77.58% 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 CVC Lux is an indirect wholly owned subsidiary of 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 Altice CVC Lux.

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: 0001140361-20-013232 · form4.xml · nonDerivative · 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 · UpperNext S.C.S.p

Disclosed balance after: 6,902,657

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 77.58% 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 CVC Lux is an indirect wholly owned subsidiary of 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 Altice CVC Lux.

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: 0001140361-20-013232 · form4.xml · nonDerivative · 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: 7,302,657

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 77.58% 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 CVC Lux is an indirect wholly owned subsidiary of 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 Altice CVC Lux.

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: 0001140361-20-013232 · form4.xml · nonDerivative · 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 · UpperNext S.C.S.p

Disclosed balance after: 7,702,657

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 77.58% 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 CVC Lux is an indirect wholly owned subsidiary of 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 Altice CVC Lux.

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: 0001140361-20-013232 · form4.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: 8,102,657

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 77.58% 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 CVC Lux is an indirect wholly owned subsidiary of 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 Altice CVC Lux.

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: 0001140361-20-013232 · form4.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 · UpperNext S.C.S.p

Disclosed balance after: 8,286,906

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 77.58% 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 CVC Lux is an indirect wholly owned subsidiary of 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 Altice CVC Lux.

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: 0000947871-20-000223 · 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: Direct

Disclosed balance after: 44,369,305

SEC source: 0000947871-20-000223 · 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: 45,369,305

SEC source: 0000947871-20-000223 · 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: Direct

Disclosed balance after: 46,369,305

SEC source: 0000947871-19-000952 · 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: 0

Underlying: Class A common stock · 6,290,292 shares

Expires not disclosed

F1 · derivative.exercise_price: CVC 3 B.V. ("CVC 3") holds partnership interests in Neptune Holding US Limited Partnership (the "Partnership") that consist of Class A Units and Class C Units, which in each case represent a contingent right to receive shares of Class A common stock of the Issuer in the discretion of Neptune Holding US GP LLC, which is controlled by the Issuer (together, the "Partnership Rights"). CVC 3 may, in its discretion, redeem the Class A Units at any time. The Issuer may cause the Partnership to, in its discretion, redeem the Class C Units at any time.

F3 · derivative.exercise_price: On December 7, 2019, CVC 3 agreed in lieu of redeeming the Class A Units to enter into an Assignment and Assumption Agreement with the Issuer, as approved by the Board of the Issuer, whereby CVC3 assigned all of its remaining Partnership Rights to the Issuer in exchange for Class A common stock of the Issuer, as reported on this Form 4 (the "Assignment"). The Assignment was exempt from the provisions of Section 16(b) of the Securities Exchange Act of 1934, as amended, pursuant to Rule 16b-3(d) and 16b-3(e) thereunder.

F1 · derivative.exercise_date: CVC 3 B.V. ("CVC 3") holds partnership interests in Neptune Holding US Limited Partnership (the "Partnership") that consist of Class A Units and Class C Units, which in each case represent a contingent right to receive shares of Class A common stock of the Issuer in the discretion of Neptune Holding US GP LLC, which is controlled by the Issuer (together, the "Partnership Rights"). CVC 3 may, in its discretion, redeem the Class A Units at any time. The Issuer may cause the Partnership to, in its discretion, redeem the Class C Units at any time.

F3 · derivative.exercise_date: On December 7, 2019, CVC 3 agreed in lieu of redeeming the Class A Units to enter into an Assignment and Assumption Agreement with the Issuer, as approved by the Board of the Issuer, whereby CVC3 assigned all of its remaining Partnership Rights to the Issuer in exchange for Class A common stock of the Issuer, as reported on this Form 4 (the "Assignment"). The Assignment was exempt from the provisions of Section 16(b) of the Securities Exchange Act of 1934, as amended, pursuant to Rule 16b-3(d) and 16b-3(e) thereunder.

F1 · derivative.expiration_date: CVC 3 B.V. ("CVC 3") holds partnership interests in Neptune Holding US Limited Partnership (the "Partnership") that consist of Class A Units and Class C Units, which in each case represent a contingent right to receive shares of Class A common stock of the Issuer in the discretion of Neptune Holding US GP LLC, which is controlled by the Issuer (together, the "Partnership Rights"). CVC 3 may, in its discretion, redeem the Class A Units at any time. The Issuer may cause the Partnership to, in its discretion, redeem the Class C Units at any time.

F3 · derivative.expiration_date: On December 7, 2019, CVC 3 agreed in lieu of redeeming the Class A Units to enter into an Assignment and Assumption Agreement with the Issuer, as approved by the Board of the Issuer, whereby CVC3 assigned all of its remaining Partnership Rights to the Issuer in exchange for Class A common stock of the Issuer, as reported on this Form 4 (the "Assignment"). The Assignment was exempt from the provisions of Section 16(b) of the Securities Exchange Act of 1934, as amended, pursuant to Rule 16b-3(d) and 16b-3(e) thereunder.

F1 · ownership.nature: CVC 3 B.V. ("CVC 3") holds partnership interests in Neptune Holding US Limited Partnership (the "Partnership") that consist of Class A Units and Class C Units, which in each case represent a contingent right to receive shares of Class A common stock of the Issuer in the discretion of Neptune Holding US GP LLC, which is controlled by the Issuer (together, the "Partnership Rights"). CVC 3 may, in its discretion, redeem the Class A Units at any time. The Issuer may cause the Partnership to, in its discretion, redeem the Class C Units at any time.

F4 · 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 77.58% 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 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.

F5 · 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.

F6 · 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: 0000947871-19-000952 · 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: 24,475,295

F1 · price: CVC 3 B.V. ("CVC 3") holds partnership interests in Neptune Holding US Limited Partnership (the "Partnership") that consist of Class A Units and Class C Units, which in each case represent a contingent right to receive shares of Class A common stock of the Issuer in the discretion of Neptune Holding US GP LLC, which is controlled by the Issuer (together, the "Partnership Rights"). CVC 3 may, in its discretion, redeem the Class A Units at any time. The Issuer may cause the Partnership to, in its discretion, redeem the Class C Units at any time.

F3 · price: On December 7, 2019, CVC 3 agreed in lieu of redeeming the Class A Units to enter into an Assignment and Assumption Agreement with the Issuer, as approved by the Board of the Issuer, whereby CVC3 assigned all of its remaining Partnership Rights to the Issuer in exchange for Class A common stock of the Issuer, as reported on this Form 4 (the "Assignment"). The Assignment was exempt from the provisions of Section 16(b) of the Securities Exchange Act of 1934, as amended, pursuant to Rule 16b-3(d) and 16b-3(e) thereunder.

F1 · ownership.nature: CVC 3 B.V. ("CVC 3") holds partnership interests in Neptune Holding US Limited Partnership (the "Partnership") that consist of Class A Units and Class C Units, which in each case represent a contingent right to receive shares of Class A common stock of the Issuer in the discretion of Neptune Holding US GP LLC, which is controlled by the Issuer (together, the "Partnership Rights"). CVC 3 may, in its discretion, redeem the Class A Units at any time. The Issuer may cause the Partnership to, in its discretion, redeem the Class C Units at any time.

F4 · 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 77.58% 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 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.

F5 · 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.

F6 · 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: 0000947871-19-000952 · 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: 6,290,292

Underlying: Class A common stock · 4,281,205 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: CVC 3 B.V. ("CVC 3") holds partnership interests in Neptune Holding US Limited Partnership (the "Partnership") that consist of Class A Units and Class C Units, which in each case represent a contingent right to receive shares of Class A common stock of the Issuer in the discretion of Neptune Holding US GP LLC, which is controlled by the Issuer (together, the "Partnership Rights"). CVC 3 may, in its discretion, redeem the Class A Units at any time. The Issuer may cause the Partnership to, in its discretion, redeem the Class C Units at any time.

F2 · derivative.exercise_price: On December 6, 2019, Neptune Holding US GP LLC caused the Partnership to redeem the Class C Units, which were converted by their terms into Class A common stock of the Issuer, as reported on this Form 4 (the "Redemption"). As a result of the Redemption, Class A Units attributable to redeemed Class C Units were converted by their terms into Class A common stock of the Issuer.

F1 · derivative.exercise_date: CVC 3 B.V. ("CVC 3") holds partnership interests in Neptune Holding US Limited Partnership (the "Partnership") that consist of Class A Units and Class C Units, which in each case represent a contingent right to receive shares of Class A common stock of the Issuer in the discretion of Neptune Holding US GP LLC, which is controlled by the Issuer (together, the "Partnership Rights"). CVC 3 may, in its discretion, redeem the Class A Units at any time. The Issuer may cause the Partnership to, in its discretion, redeem the Class C Units at any time.

F2 · derivative.exercise_date: On December 6, 2019, Neptune Holding US GP LLC caused the Partnership to redeem the Class C Units, which were converted by their terms into Class A common stock of the Issuer, as reported on this Form 4 (the "Redemption"). As a result of the Redemption, Class A Units attributable to redeemed Class C Units were converted by their terms into Class A common stock of the Issuer.

F1 · derivative.expiration_date: CVC 3 B.V. ("CVC 3") holds partnership interests in Neptune Holding US Limited Partnership (the "Partnership") that consist of Class A Units and Class C Units, which in each case represent a contingent right to receive shares of Class A common stock of the Issuer in the discretion of Neptune Holding US GP LLC, which is controlled by the Issuer (together, the "Partnership Rights"). CVC 3 may, in its discretion, redeem the Class A Units at any time. The Issuer may cause the Partnership to, in its discretion, redeem the Class C Units at any time.

F2 · derivative.expiration_date: On December 6, 2019, Neptune Holding US GP LLC caused the Partnership to redeem the Class C Units, which were converted by their terms into Class A common stock of the Issuer, as reported on this Form 4 (the "Redemption"). As a result of the Redemption, Class A Units attributable to redeemed Class C Units were converted by their terms into Class A common stock of the Issuer.

F1 · ownership.nature: CVC 3 B.V. ("CVC 3") holds partnership interests in Neptune Holding US Limited Partnership (the "Partnership") that consist of Class A Units and Class C Units, which in each case represent a contingent right to receive shares of Class A common stock of the Issuer in the discretion of Neptune Holding US GP LLC, which is controlled by the Issuer (together, the "Partnership Rights"). CVC 3 may, in its discretion, redeem the Class A Units at any time. The Issuer may cause the Partnership to, in its discretion, redeem the Class C Units at any time.

F4 · 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 77.58% 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 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.

F5 · 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.

F6 · 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: 0000947871-19-000952 · 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: 0

Underlying: Class A common stock · 1,806,232 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: CVC 3 B.V. ("CVC 3") holds partnership interests in Neptune Holding US Limited Partnership (the "Partnership") that consist of Class A Units and Class C Units, which in each case represent a contingent right to receive shares of Class A common stock of the Issuer in the discretion of Neptune Holding US GP LLC, which is controlled by the Issuer (together, the "Partnership Rights"). CVC 3 may, in its discretion, redeem the Class A Units at any time. The Issuer may cause the Partnership to, in its discretion, redeem the Class C Units at any time.

F2 · derivative.exercise_price: On December 6, 2019, Neptune Holding US GP LLC caused the Partnership to redeem the Class C Units, which were converted by their terms into Class A common stock of the Issuer, as reported on this Form 4 (the "Redemption"). As a result of the Redemption, Class A Units attributable to redeemed Class C Units were converted by their terms into Class A common stock of the Issuer.

F1 · derivative.exercise_date: CVC 3 B.V. ("CVC 3") holds partnership interests in Neptune Holding US Limited Partnership (the "Partnership") that consist of Class A Units and Class C Units, which in each case represent a contingent right to receive shares of Class A common stock of the Issuer in the discretion of Neptune Holding US GP LLC, which is controlled by the Issuer (together, the "Partnership Rights"). CVC 3 may, in its discretion, redeem the Class A Units at any time. The Issuer may cause the Partnership to, in its discretion, redeem the Class C Units at any time.

F2 · derivative.exercise_date: On December 6, 2019, Neptune Holding US GP LLC caused the Partnership to redeem the Class C Units, which were converted by their terms into Class A common stock of the Issuer, as reported on this Form 4 (the "Redemption"). As a result of the Redemption, Class A Units attributable to redeemed Class C Units were converted by their terms into Class A common stock of the Issuer.

F1 · derivative.expiration_date: CVC 3 B.V. ("CVC 3") holds partnership interests in Neptune Holding US Limited Partnership (the "Partnership") that consist of Class A Units and Class C Units, which in each case represent a contingent right to receive shares of Class A common stock of the Issuer in the discretion of Neptune Holding US GP LLC, which is controlled by the Issuer (together, the "Partnership Rights"). CVC 3 may, in its discretion, redeem the Class A Units at any time. The Issuer may cause the Partnership to, in its discretion, redeem the Class C Units at any time.

F2 · derivative.expiration_date: On December 6, 2019, Neptune Holding US GP LLC caused the Partnership to redeem the Class C Units, which were converted by their terms into Class A common stock of the Issuer, as reported on this Form 4 (the "Redemption"). As a result of the Redemption, Class A Units attributable to redeemed Class C Units were converted by their terms into Class A common stock of the Issuer.

F1 · ownership.nature: CVC 3 B.V. ("CVC 3") holds partnership interests in Neptune Holding US Limited Partnership (the "Partnership") that consist of Class A Units and Class C Units, which in each case represent a contingent right to receive shares of Class A common stock of the Issuer in the discretion of Neptune Holding US GP LLC, which is controlled by the Issuer (together, the "Partnership Rights"). CVC 3 may, in its discretion, redeem the Class A Units at any time. The Issuer may cause the Partnership to, in its discretion, redeem the Class C Units at any time.

F4 · 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 77.58% 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 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.

F5 · 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.

F6 · 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: 0000947871-19-000952 · 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: 18,185,003

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: CVC 3 B.V. ("CVC 3") holds partnership interests in Neptune Holding US Limited Partnership (the "Partnership") that consist of Class A Units and Class C Units, which in each case represent a contingent right to receive shares of Class A common stock of the Issuer in the discretion of Neptune Holding US GP LLC, which is controlled by the Issuer (together, the "Partnership Rights"). CVC 3 may, in its discretion, redeem the Class A Units at any time. The Issuer may cause the Partnership to, in its discretion, redeem the Class C Units at any time.

F2 · price: On December 6, 2019, Neptune Holding US GP LLC caused the Partnership to redeem the Class C Units, which were converted by their terms into Class A common stock of the Issuer, as reported on this Form 4 (the "Redemption"). As a result of the Redemption, Class A Units attributable to redeemed Class C Units were converted by their terms into Class A common stock of the Issuer.

F1 · ownership.nature: CVC 3 B.V. ("CVC 3") holds partnership interests in Neptune Holding US Limited Partnership (the "Partnership") that consist of Class A Units and Class C Units, which in each case represent a contingent right to receive shares of Class A common stock of the Issuer in the discretion of Neptune Holding US GP LLC, which is controlled by the Issuer (together, the "Partnership Rights"). CVC 3 may, in its discretion, redeem the Class A Units at any time. The Issuer may cause the Partnership to, in its discretion, redeem the Class C Units at any time.

F4 · 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 77.58% 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 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.

F5 · 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.

F6 · 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: 0000947871-19-000952 · 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: 13,903,798

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: CVC 3 B.V. ("CVC 3") holds partnership interests in Neptune Holding US Limited Partnership (the "Partnership") that consist of Class A Units and Class C Units, which in each case represent a contingent right to receive shares of Class A common stock of the Issuer in the discretion of Neptune Holding US GP LLC, which is controlled by the Issuer (together, the "Partnership Rights"). CVC 3 may, in its discretion, redeem the Class A Units at any time. The Issuer may cause the Partnership to, in its discretion, redeem the Class C Units at any time.

F2 · price: On December 6, 2019, Neptune Holding US GP LLC caused the Partnership to redeem the Class C Units, which were converted by their terms into Class A common stock of the Issuer, as reported on this Form 4 (the "Redemption"). As a result of the Redemption, Class A Units attributable to redeemed Class C Units were converted by their terms into Class A common stock of the Issuer.

F1 · ownership.nature: CVC 3 B.V. ("CVC 3") holds partnership interests in Neptune Holding US Limited Partnership (the "Partnership") that consist of Class A Units and Class C Units, which in each case represent a contingent right to receive shares of Class A common stock of the Issuer in the discretion of Neptune Holding US GP LLC, which is controlled by the Issuer (together, the "Partnership Rights"). CVC 3 may, in its discretion, redeem the Class A Units at any time. The Issuer may cause the Partnership to, in its discretion, redeem the Class C Units at any time.

F4 · 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 77.58% 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 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.

F5 · 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.

F6 · 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: 0000947871-19-000821 · 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: 20,496,287

Underlying: Class A common stock · 18,064 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.

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.

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.

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: 0000947871-19-000821 · 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: 12,097,566

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.

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: 0000947871-19-000807 · 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: 20,540,804

Underlying: Class A common stock · 102,633 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.

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.

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.

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: 0000947871-19-000807 · 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: 12,079,502

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.

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: 0000947871-19-000705 · 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: 15,545,098

Underlying: Class A common stock · 70,776 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 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: 0000947871-19-000705 · 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: 20,802,222

Underlying: Class A common stock · 47,754 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.

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: 0000947871-19-000705 · 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: 11,976,869

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 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: 0000947871-19-000705 · 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: 11,906,093

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: 0000947871-19-000696 · 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: 20,920,752

Underlying: Class A common stock · 35,544 shares

Expires not disclosed

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

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.