1 EXHIBIT 10.18 TAX REPORTING AND COOPERATION AGREEMENT This agreement ("Agreement") is entered into as of September 29, 2000, by and between Cabot Microelectronics Corporation, a Delaware corporation ("CMC") and Cabot Corporation, a Delaware...Tax Reporting and Cooperation Agreement • December 28th, 2000 • Cabot Microelectronics Corp • Abrasive, asbestos & misc nonmetallic mineral prods • Illinois
