Exhibit 2.1 AGREEMENT AND PLAN OF REORGANIZATION by and among PRIMUS KNOWLEDGE SOLUTIONS, INC. AL ACQUISTION, INC. ANSWERLOGIC, INC. Dated as of May 21, 2001 AGREEMENT AND PLAN OF REORGANIZATION AGREEMENT AND PLAN OF REORGANIZATION, DATED AS OF May...Merger Agreement • June 15th, 2001 • Primus Knowledge Solutions Inc • Services-prepackaged software • Delaware
