1 Exhibit 10.1 AMENDMENT TO PROMISSORY NOTE This Amendment (this "Amendment") is made as of May 31, 1997 by and among Gensym Corporation, Gensym International Corporation, GENSYM B.V., GENSYM GMBH, GENSYM F.S.C. (V.I.) LIMITED (collectively, the...Promissory Note • August 13th, 1997 • Gensym Corp • Services-prepackaged software
