X0202 SCHEDULE 13G/A 0001709689 XXXXXXXX LIVE 6 Class A Common Stock, $0.01 par value per share ("Class A Common Stock"), Class B Common Stock, $0.01 par value per share ("Class B Common Stock") 05/29/2026 0001702780 Optimum Communications, Inc. 02156K103 02156K202 1 Court Square West Long Island City NY 11101 Rule 13d-1(d) Patrick Drahi L3 0 111599888 0 111599888 111599888 27.6 IN The Foregoing Reporting Person Sheet Refers To the Class A Common Stock of the Issuer Beneficially Owned by the Reporting Person. 1) Includes (i) 108,731,066 shares of Class A Common Stock issuable upon conversion of 108,731,066 shares of Class B Common Stock held by Next Alt S.a r.l. ("Next Alt"). Next Alt is a Luxembourg Societe a Responsabilite Limitee that is controlled by Patrick Drahi; and (ii) 2,868,822 shares of Class A common stock issuable upon exercise of presently exercisable options to purchase Class A Common Stock held by UpperNext S.C.S.p. ("Uppernext"), a wholly controlled personal holding company of Patrick Drahi. Each share of Class B common stock is convertible at any time upon written notice of the holder into one share of Class A Common Stock. Mr. Drahi is a director of the Issuer, and Next Alt is a party to a stockholders agreement with the Issuer pursuant to which it has certain rights to appoint directors of the Issuer. 2) This percentage is calculated based upon (i) information set forth in the Issuer's Quarterly Report on Form 10-Q filed with the SEC on May 7, 2026, according to which there were 293,263,749 shares of Class A Common Stock outstanding as of March 31, 2026, plus (ii) the 108,731,066 shares of Class A Common Stock underlying the shares of Class B Common Stock deemed to be held by the Reporting Person , plus (iii) 2,868,822 shares of Class A Common Stock issuable upon exercise of presently exercisable options deemed to be held by the Reporting Person. Patrick Drahi L3 0 108731066 0 108731066 108731066 99.9 IN The Foregoing Reporting Person Sheet Refers To the Class B Common Stock of the Issuer Beneficially Owned by the Reporting Person. 1) Includes 108,731,066 shares of Class B Common Stock held by Next Alt S.a r.l. ("Next Alt"). Next Alt is a Luxembourg Societe a Responsabilite Limitee that is controlled by Patrick Drahi. Each share of Class B common stock is convertible at any time upon written notice of the holder into one share of Class A Common Stock. Mr. Drahi is a director of the Issuer, and Next Alt is a party to a stockholders agreement with the Issuer pursuant to which it has certain rights to appoint directors of the Issuer. 2) This percentage is calculated based upon (i) information set forth in the Issuer's Quarterly Report on Form 10-Q filed with the SEC on May 7, 2026, according to which there were 183,019,308 shares of Class B Common Stock outstanding as of March 31, 2026, minus (ii) 74,153,348 shares of Class B Common Stock exchanged with a subsidiary of the Issuer for preferred units in such subsidiary on May 29, 2026. Optimum Communications, Inc. 1 Court Square West Long Island City, NY 11101 Patrick Drahi (the "Reporting Person"). The principal business address for the Reporting Person is 14 rue Robert Stumper, L 2557 Luxembourg, Grand Duchy of Luxembourg. Please refer to Row 4 of the cover sheet for the Reporting Person. Y See the responses to Row 9 on the attached cover pages and footnotes. See the responses to Row 11 on the attached cover pages and footnotes. See the responses to Row 5 on the attached cover pages and footnotes. See the responses to Row 6 on the attached cover pages and footnotes. See the responses to Row 7 on the attached cover pages and footnotes. See the responses to Row 8 on the attached cover pages and footnotes. Y N See Item 4. Y Y Y Y Exhibit 24.1 - Power of Attorney Patrick Drahi /s/ Armelle Koelf 06/02/2026 Patrick Drahi /s/ Armelle Koelf 06/02/2026 Pursuant to the Power of Attorney, attached hereto as Exhibit 24.1, the Reporting Person designated Armelle Koelf as attorney-in-fact.