X0206 3 2017-06-21 0 0001702780 Altice USA, Inc. ATUS 0001709636 BC European Capital IX Ltd SMARTCITY MALTA SCM 01 SUITE 502 RICASOLI O1 SCM 1001 MALTA 0 0 1 0 0001709666 BC European Capital IX-10 LP HERITAGE HALL, LE MARCHANT STREET ST. PETER PORT Y7 GY1 4HY GB GUERNSEY 0 0 1 0 0001709661 BC European Capital IX-11 LP HERITAGE HALL, LE MARCHANT STREET ST. PETER PORT Y7 GY1 4HY GB GUERNSEY 0 0 1 0 0001709646 BC European Capital-Suddenlink Co-Investment-1 LP HERITAGE HALL, LE MARCHANT STREET ST. PETER PORT Y7 GY1 4HY GB GUERNSEY 0 0 1 0 0001709635 BC European Capital-Suddenlink Co-Investment-2 LP HERITAGE HALL, LE MARCHANT STREET ST. PETER PORT Y7 GY1 4HY GB GUERNSEY 0 0 1 0 0001709634 BC European Capital-Suddenlink Co-Investment-3 LP HERITAGE HALL, LE MARCHANT STREET ST. PETER PORT Y7 GY1 4HY gb GUERNSEY 0 0 1 0 0001709678 BC European Capital - Suddenlink Co-Investment-4 LP HERITAGE HALL, LE MARCHANT STREET ST. PETER PORT Y7 GY1 4HY GB GUERNSEY 0 0 1 0 0001709679 BC European Capital - Suddenlink Co-Investment-5 LP HERITAGE HALL, LE MARCHANT STREET ST. PETER PORT Y7 GY1 4HY GB GUERNSEY 0 0 1 0 0001709680 BC European Capital - Suddenlink Co-Investment-6 LP HERITAGE HALL, LE MARCHANT STREET ST. PETER PORT Y7 GY1 4HY GB GUERNSEY 0 0 1 0 Class A Common Stock 101417127 I See footnotes The securities reported herein are held of record by BC European Capital IX-1 LP; BC European Capital IX-2 LP; BC European Capital IX-3 LP; BC European Capital IX-4 LP; BC European Capital IX-5 LP; BC European Capital IX-6 LP; BC European Capital IX-7 LP; BC European Capital IX-8 LP; BC European Capital IX-9 LP; BC European Capital IX-10 LP; and BC European Capital IX-11 LP (collectively, the "BC European Limited Partnerships"); BC European Capital - Suddenlink Co-Investment-1 LP; BC European Capital - Suddenlink Co-Investment-2 LP; BC European Capital - Suddenlink Co-Investment-3 LP; BC European Capital - Suddenlink Co-Investment -4 LP; BC European Capital - Suddenlink Co-Investment-5 LP; BC European Capital - Suddenlink Co-Investment-6 LP (collectively, the "BC Suddenlink Partnerships"); BC European Capital IX Limited ("BC European Capital", and together with the BC European Limited Partnerships and BC Suddenlink Partnerships, the "BCP European Funds"); and Suddenvision S.a r.l. BC Partners Holdings Limited is the controlling shareholder of CIE Management IX Limited, which is the general partner of each of the BC European Limited Partnerships and the BC Suddenlink Partnerships, and has investment control over the common stock held by BC European Capital IX Limited. The BCP European Funds are the controlling shareholders Suddenvision S.a r.l. As such each of BC Partners Holdings Limited and CIE Management IX Limited may be deemed to share beneficial ownership over the securities held of record by the BCP European Funds and Suddenvision S.a r.l. Due to the limitations of the Securities and Exchange Commission's electronic filing system, BC European Capital IX-1 LP; BC European Capital IX-2 LP; BC European Capital IX-3 LP; BC European Capital IX-4 LP; BC European Capital IX-5 LP; BC European Capital IX-6 LP; BC European Capital IX-7 LP; BC European Capital IX-8 LP; BC European Capital IX-9 LP; Suddenvision S.a r.l.; CIE Management IX Limited; and BC Partners Holdings Limited are filing separate Forms 3. BC European Capital IX-10 LP By: CIE Management IX Limited, its general partner, By: /s/ Matthew Elston, Director, By: /s/ Mark Rodliffe, Director 2017-06-21 BC European Capital IX-11 LP By: CIE Management IX Limited, its general partner, By: /s/ Matthew Elston, Director, By: /s/ Mark Rodliffe, Director 2017-06-21 BC European Capital - Suddenlink Co-Investment-1 LP By: CIE Management IX Limited, its general partner, By: /s/ Matthew Elston, Director, By: /s/ Mark Rodliffe, Director 2017-06-21 BC European Capital - Suddenlink Co-Investment-2 LP By: CIE Management IX Limited, its general partner, By: /s/ Matthew Elston, Director, By: /s/ Mark Rodliffe, Director 2017-06-21 BC European Capital - Suddenlink Co-Investment-3 LP By: CIE Management IX Limited, its general partner, By: /s/ Matthew Elston, Director, By: /s/ Mark Rodliffe, Director 2017-06-21 BC European Capital - Suddenlink Co-Investment-4 LP By: CIE Management IX Limited, its general partner, By: /s/ Matthew Elston, Director, By: /s/ Mark Rodliffe, Director 2017-06-21 BC European Capital - Suddenlink Co-Investment-5 LP By: CIE Management IX Limited, its general partner, By: /s/ Matthew Elston, Director, By: /s/ Mark Rodliffe, Director 2017-06-21 BC European Capital - Suddenlink Co-Investment-6 LP By: CIE Management IX Limited, its general partner, By: /s/ Matthew Elston, Director, By: /s/ Mark Rodliffe, Director 2017-06-21 BC European Capital IX Limited, By: /s/ Matthew Elston, Director CIE Management IX Limited, As Attorney, By: /s/ Mark Rodliffe, Director CIE Management IX Limited, As Attorney 2017-06-21