EXHIBIT 4.2.1 FIRST AMENDMENT TO RIGHTS AGREEMENT FIRST AMENDMENT, dated April 27, 1999, to the Rights Agreement, dated as of February 1, 1994 (the "Rights Agreement"), between McWhorter Technologies, Inc., a Delaware corporation (the "Company"), and...Rights Agreement • June 14th, 1999 • McWhorter Technologies Inc /De/ • Plastic materials, synth resins & nonvulcan elastomers • Delaware
Exhibit 10.45 CHANGE IN CONTROL AGREEMENT THIS CHANGE IN CONTROL AGREEMENT ("Agreement") is made as of February 17, 1999 by and between McWhorter Technologies, Inc., a Delaware corporation (the "Company") and Donald J. Crawford (the "Employee")....Change in Control Agreement • June 14th, 1999 • McWhorter Technologies Inc /De/ • Plastic materials, synth resins & nonvulcan elastomers
