EXHIBIT 99.1 AMENDMENT NO. 1 TO RIGHTS AGREEMENT Amendment No. 1, dated as of December 29, 1999 (the "Amendment"), to the Rights Agreement, dated as of March 16, 1999 (the "Rights Agreement"), by and between Centennial Technologies, Inc., a Delaware...Rights Agreement • February 1st, 2000 • Centennial Technologies Inc • Computer peripheral equipment, nec
