X0306 4 2019-02-28 0 0001702780 Altice USA, Inc. ATUS 0001709608 Suddenvision S.A.R.L. 29 AVENUE DE LA PORTE NEUVE N4 L-2227 LUXEMBOURG 0 0 1 0 0001518072 CIE Management IX Ltd HERITAGE HALL, LE MARCHANT STREET ST. PETER PORT Y7 GY1 4HY GB GUERNSEY 0 0 1 0 0001709681 BC Partners Holdings Ltd HERITAGE HALL, LE MARCHANT STREET ST. PETER PORT Y7 GY1 4HY GB GUERNSEY 0 0 1 0 0001769584 BCEC - SuddenVision Holdings LP HERITAGE HALL, LE MARCHANT STREET ST. PETER PORT Y7 GY1 4HY GB GUERNSEY 0 0 1 0 Class A Common Stock 2019-02-28 4 S 0 20645478 21.35 D 44574289 I See footnotes The securities reported herein are held of record by Suddenvision S.a r.l. BC Partners Holdings Limited is the controlling shareholder of CIE Management IX Limited, which is the general partner of BCEC - SuddenVision Holdings LP, which is the controlling shareholder of Suddenvision S.a r.l. As such, each of BC Partners Holdings Limited, CIE Management IX Limited and BCEC - SuddenVision Holdings LP may be deemed to share beneficial ownership over the securities held of record by Suddenvision S.a r.l. Suddenvision S.a r.l., By: /s/ Christelle Retif, Manager, By: /s/ Pierre Stemper, Manager 2019-03-04 CIE Management IX Limited, By: /s/ Matthew Elston, Director, By: /s/ Mark Rodliffe, Director 2019-03-04 BC Partners Holdings Limited, By: /s/ Matthew Elston, Director, By: /s/ Mark Rodliffe, Director 2019-03-04 BCEC - SuddenVision Holdings LP, By: CIE Management IX Limited, its general partner, By: /s/ Mark Rodliffe, Director, By: /s/ Matthew Elston, Director 2019-03-04