Power of Attorney for Mark Greatrex

This filing details a Power of Attorney granted by Mark Greatrex, a director at Charter Communications, Inc., to various individuals, including Jamal H. Haughton, Thomas E. Proost, Jennifer A. Smith, William S. Grimshaw, and Meghan E. Gearhart. The purpose of this power of attorney is to allow these individuals, acting as Greatrex's legal representatives, to execute and file necessary documents with the SEC and other authorities on his behalf. This includes obtaining EDGAR codes, managing his EDGAR account, and filing Forms 3, 4, and 5 related to beneficial ownership and changes in ownership of the company's securities. Greatrex grants these representatives broad authority to act on his behalf, while explicitly stating that they are not assuming his compliance responsibilities under Section 16 of the Exchange Act. The power of attorney will terminate under specific conditions, including Greatrex ceasing to be a subsidiary of the Company or the termination of employment for the named attorneys-in-fact.