Exhibit 4.1 INDENTURE SUPPLEMENT NO. 1 Indenture Supplement No. 1 ("Indenture Supplement"), dated as of August 6, 2002, to the Indenture, dated as of June 29, 2001 (the "Indenture"), by and among Mediacom Broadband LLC and Mediacom Broadband...Indenture Supplement • August 14th, 2002 • Mediacom Communications Corp • Cable & other pay television services • New York
