1 Exhibit 10(u) OGLEBAY NORTON COMPANY SPECIAL SUPPLEMENTAL RETIREMENT PLAN OGLEBAY NORTON COMPANY ("Oglebay") hereby adopts this Special Supplemental Retirement Plan for the benefit of JOHN N. LAUER ("Lauer") as contemplated by the Employment...Special Supplemental Retirement Plan • March 25th, 1998 • Oglebay Norton Co • Water transportation • Ohio
