EXHIBIT 21 OFFICERS AND DIRECTORS/INVESTOR INFORMATION BOARD OF DIRECTORS CORPORATE OFFICERS Eugene E. Prince Richard D. Smith Chairman of the Board President, Chief Executive Officer and Chief Financial Officer Richard D. Smith President and Chief Executive Officer Herbert Franson Assistant Treasurer, Corporate Controller Delwin D. Hock and Assistant Secretary Former Chairman of the Board of Directors, President and CEO of Public Service Company of Colorado Susan M. Chiarmonte Secretary Chester H. Clarridge Consultant SUBSIDIARIES AND DIVISIONS Domestic Subsidiaries and Divisions Graydon D. Hubbard Hathaway Systems Corporation Retired Partner, Arthur Andersen LLP Littleton, Colorado George J. Pilmanis Hathaway Automation Technology, a division of President of Balriga International Corporation Hathaway Systems Corporation Business Development in the Far East and Kent, Washington Eastern Europe Hathaway Process Instrumentation Corporation INVESTOR INFORMATION Carrolton, Texas Annual Meeting The Annual Meeting of Shareholders of Hathaway Industrial Automation, Inc. Hathaway Corporation will be held at 2:00 p.m., Hunt Valley, Maryland on Thursday, October 28, 1999 at the Lone Tree Country Club, 9808 Sunningdale Boulevard, Hathaway Motors and Instruments, a division of Littleton, Colorado. Hathaway Motion Control Corporation Tulsa, Oklahoma Information Requests Copies of the Company's reports to the Computer Optical Products, Inc. Securities and Exchange Commission, excluding Chatsworth, California exhibits, on Form 10-K and Form 10-Q may be obtained from the Company without charge. Emoteq Corporation Direct your written request to: Hathaway Tulsa, Oklahoma Corporation, 8228 Park Meadows Drive, Evergreen, Colorado Littleton, Colorado 80124. International Subsidiaries Transfer Agent Hathaway Systems Limited American Stock Transfer & Trust Company Belfast, Northern Ireland 40 Wall Street New York, NY 10005 Emoteq UK Limited Bournemouth, England Independent Public Accountants ARTHUR ANDERSEN LLP Denver, Colorado