EXHIBIT 4.2.1 SIXTH SUPPLEMENTAL INDENTURE TO INDENTURE DATED MARCH 15, 1997 (8 1/2% SECURITIES) SIXTH SUPPLEMENTAL INDENTURE dated as of December 31, 1999, among CHESAPEAKE ENERGY CORPORATION, an Oklahoma corporation (the "Company"), the SUBSIDIARY...

AutoNDA by SimpleDocs
Draft better contracts in just 5 minutes Get the weekly Law Insider newsletter packed with expert videos, webinars, ebooks, and more!