EXHIBIT 4.1 AMENDMENT NO. 1 TO RIGHTS AGREEMENT AMENDMENT NO. 1, dated as of September 26, 2005 (this "Amendment"), to the RIGHTS AGREEMENT, dated as of February 23, 1996 and restated as of June 7, 2001 between EMISPHERE TECHNOLOGIES, INC., a Delaware...Rights Agreement • September 30th, 2005 • Emisphere Technologies Inc • Pharmaceutical preparations • Delaware
EXHIBIT 4.2 FIRST AMENDMENT TO RIGHTS AGREEMENT This Amendment is made and entered into as of the 16th day of May, 2001, by and between Integrated Measurement Systems, Inc. (the "Company") and Mellon Investor Services, L.L.C. (formerly ChaseMellon...Rights Agreement • May 18th, 2001 • Integrated Measurement Systems Inc /Or/ • Instruments for meas & testing of electricity & elec signals • Oregon