AMENDED AND RESTATED LETTER AGREEMENT March 26, 1999 II-VI Incorporated 375 Saxonburg Boulevard Saxonburg, PA 16056 Attention: James Martinelli Treasurer and Chief Financial Officer Re: $15,000,000 Committed Line of Credit 237,000,000 Japanese Yen...Letter Agreement • May 13th, 1999 • Ii-Vi Inc • Optical instruments & lenses • Pennsylvania
