Exhibit 1 AGREEMENT AND PLAN OF MERGER by and between ROBERT BOSCH GMBHMerger Agreement • December 20th, 2000 • Bosch Security Systems Corp • Communications equipment, nec • New York
Exhibit (d)(3) STOCK OPTION AGREEMENT STOCK OPTION AGREEMENT dated as of December 10, 2000, between Robert Bosch GmbH, a limited liability company organized under the laws of Germany ("Bosch"), and Detection Systems, Inc., a New York corporation...Stock Option Agreement • December 20th, 2000 • Bosch Security Systems Corp • Communications equipment, nec • New York
Exhibit (d)(4) VOTING AND OPTION AGREEMENT VOTING AND OPTION AGREEMENT dated as of December 10, 2000 by and among Robert Bosch GmbH, a limited liability company organized under the laws of Germany ("Bosch"), Karl H. Kostusiak ("Kostusiak") and David...Voting and Option Agreement • December 20th, 2000 • Bosch Security Systems Corp • Communications equipment, nec • New York
OFFER TO PURCHASE FOR CASH ALL OUTSTANDING SHARES OF COMMON STOCK OF DETECTION SYSTEMS, INC. AT $18.00 NET PER SHARE BYOffer to Purchase • December 20th, 2000 • Bosch Security Systems Corp • Communications equipment, nec
