ADT OPERATIONS, INC.
ADT GENERAL HOLDINGS, INC.,
ADT SECURITY SERVICES, INC.
ADT SECURITY SYSTEMS WEST, INC.,
ADT AUTOMOTIVE HOLDINGS, INC.,
ADT AUTOMOTIVE, INC.,
AA PROPERTY HOLDINGS, INC.,
ADT INVESTMENTS, INC.,
AAAA DEALERS SERVICES INC.,
ADT BUSINESS HOLDINGS, INC.,
ADT PROPERTY HOLDINGS, INC.,
ADT SECURITY SYSTEMS, MANUFACTURING, INC.,
MID-ATLANTIC SECURITY, INC.,
ADT AUTOMOTIVE SERVICES, INC.,
AUCTION TRANSPORT, INC.,
BRITISH CAR AUCTIONS, INC.,
CCTC INTERNATIONAL, INC.,
ADT SPECIALTY AUCTIONS, INC.,
FLYING LION, INC.
TRI-CITY AUTO AUCTION, INC.,
THE CHASE MANHATTAN BANK
First Supplemental Indenture to the Indenture, dated as of August 4, 1993, among ADT Operations, Inc., the
Guarantors Named Therein and The Chase Manhattan Bank, as Trustee, dated as of July 1, 1997
$250,000,000 8 1/4% Senior Notes due 2000
FIRST SUPPLEMENTAL INDENTURE, dated as of July 1, 1997 between ADT OPERATIONS, INC., a
Delaware corporation, as Issuer (the "Company"), the Guarantors (as defined below) and THE CHASE
MANHATTAN BANK, as trustee (the "Trustee").
RECITALS OF THE COMPANY AND THE GUARANTORS
The Company executed and delivered an Indenture dated as of August 4, 1993 (the "Indenture") between the
Company, the Guarantors Named Therein (the "Guarantors") and the Trustee pursuant to which $250,000,000
of the Company's 8 1/4% Senior Notes due 2000 (the "Notes") was issued.
ADT Limited, the indirect parent of the Company, has entered into an Agreement and Plan of Merger dated as of
March 17, 1997 among ADT Limited, Limited Apache, Inc. ("Merger Sub"), a wholly owned subsidiary of ADT
Limited and a Massachusetts corporation, and Tyco International Ltd.("Tyco"), a Massachusetts corporation,
pursuant to which Merger Sub will be merged with and into Tyco (the "Merger").
Sections 902 and 1021 of the Indenture provide that the Indenture may be amended with the consent of the