FOURTH AMENDMENT AGREEMENT THIS FOURTH AMENDMENT AGREEMENT ("Amendment") is made effective as of the 12th day of March, 1999, by and among OGLEBAY NORTON COMPANY, formerly known as Oglebay Norton Holding Company, a Delaware corporation ("Borrower"),...Fourth Amendment Agreement • August 16th, 1999 • Oglebay Norton Co /New/ • Mining & quarrying of nonmetallic minerals (no fuels)
