X0306 4 2019-04-24 0 0001702780 Altice USA, Inc. ATUS 0001709662 Next Alt S.a.r.l. 5, RUE EUGENE RUPPERT GRAND DUCHY OF LUXEMBOURG N4 L2453 LUXEMBOURG 1 0 1 0 0001709689 Drahi Patrick 5, RUE EUGENE RUPPERT GRAND DUCHY OF LUXEMBOURG N4 L2453 LUXEMBOURG 1 0 1 0 0001709665 A4 S.A. 5, RUE EUGENE RUPPERT GRAND DUCHY OF LUXEMBOURG N4 L2449 LUXEMBOURG 1 0 0 0 Class A common stock 2019-04-24 4 C 0 281991 A 10378904 I CVC 3 B.V. Class A common stock 2019-04-24 4 C 0 11754 A 10390658 I CVC 3 B.V. Class A common stock 62369305 D Class A common stock 7894688 I UpperNext S.C.S.p Class A common stock 1000 I A4 S.A. Class A Unit 2019-04-24 4 C 0 281991 0 D Class A common stock 281991 26834850 I CVC 3 B.V. Class C Unit 2019-04-24 4 C 0 11754 0 D Class A common stock 11754 19011572 I CVC 3 B.V. 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. Next Alt S.a r.l. ("Next Alt") is a personal holding company of Mr. Drahi, who is its controlling shareholder. As of the date of this report, Next Alt is the holder of 67.53% of the share capital and voting rights of Altice Europe N.V. Altice Europe N.V. maintains a one-tier board of four executive board members, one of whom is Mr. Drahi, and four non-executive board members. The executive board members are appointed by shareholders at the general meeting at the binding nomination of Next Alt. Altice Europe N.V. owns a direct controlling interest in CVC 3 B.V. ("CVC 3"). Mr. Drahi, Next Alt and Altice Europe N.V. may each be deemed to beneficially own the shares of the Issuer owned by CVC 3. 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. 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. Class C Units represent a contingent right to receive, following vesting, shares of Class A common stock of the Issuer in the discretion of Neptune Holding US GP LLC. These Class C Units vest with CVC 3 upon the termination of employment of certain participants in the Neptune Management Limited Partnership Carry Unit Plan. 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. /s/ Michael Olsen, Attorney-in-Fact for Next Alt S.a.r.l. 2019-04-26 /s/ Michael Olsen, Attorney-in-Fact for Patrick Drahi 2019-04-26 /s/ Michael Olsen, Attorney-in-Fact for A4 S.A. 2019-04-26