Exhibit 3.5 State of Delaware Secretary of State Division of Corporations Delivered 01:49 PM 08/08/2005 FILED 01:31 PM 08/08/2005 SRV 050651684 - 4011690 FILE STATE OF DELAWARE LIMITED LIABILITY COMPANY CERTIFICATE OF FORMATION OF CCH I HOLDINGS, LLC 1. The name of the limited Liability company is CCH I Holdings, LLC. 2. The address of its registered office in the State of Delaware is 2711 Centerville Road, Suite 400, Wilmington, Delaware, 19808, County of New Castle. The name of its registered agent at such address is Corporation Service Company. IN WITNESS WHEREOF, the undersigned has executed this Certificate of Formation of CCH I Holdings, LLC this 5th day of August, 2005. /s/ Christine M. Nuccio ---------------------------------------- Christine M. Nuccio Authorized Person