Exhibit No. 2.1 AMENDMENT NO. 2 TO AGREEMENT AND PLAN OF MERGER This Amendment No. 2 (the "Amendment"), dated as of March 27, 2000, is entered into by and among Photronics, Inc., a Connecticut corporation ("Parent"), AL Acquisition Corp., a California...Agreement and Plan of Merger • March 28th, 2000 • Photronics Inc • Special industry machinery, nec • California
