FIFTH AMENDED AND RESTATED
REVOLVING CREDIT NOTE
FOR VALUE RECEIVED, LOJACK CORPORATION, LOJACK INTERNATIONAL CORPORATION,
LOJACK OF NEW JERSEY CORPORATION, RECOVERY SYSTEMS, INC., LOJACK HOLDINGS
CORPORATION, LOJACK VENTURE CORPORATION, LOJACK OF PENNSYLVANIA, INC.,
LOJACK FSC, LTD., LOJACK RECOVERY SYSTEMS BUSINESS TRUST and LOJACK OF
ARIZONA, LLC (collectively, the "Borrowers"), hereby jointly and severally promise to pay to
BANKBOSTON, N.A. (the "Lender"), or order, at the head office of the Lender at 100 Federal Street, Boston,
Massachusetts 02110, the principal amount of Seven Million Five Hundred Thousand ($7,500,000) or such
lesser amount as shall equal the aggregate unpaid principal amount of Revolving Loans (as defined in the Loan
Agreement referred to below) made by the Lender to the Borrowers pursuant to the Loan Agreement dated as
of December 10, 1993 by and between the Borrowers and the Lender, as amended as of October 11, 1994,
February 20, 1996, October 31, 1996, February 28, 1997, February 28, 1998 and May 26, 1999 and as
hereafter amended or extended from time to time the "Loan Agreement"), together with interest thereon at the
rate or rates provided in the Loan Agreement, payable monthly in arrears, without set-off, deduction or
counterclaim, on the first Business Day of each month, and at the maturity of this Note, whether by payment or
prepayment, acceleration or otherwise.
Prior to the Maturity Date (as defined in the Loan Agreement) the principal amount hereof may be advanced,
repaid and readvanced in accordance with the terms of the Loan Agreement. The principal amount outstanding
hereunder on the Maturity Date shall be payable as provided in the Loan Agreement.
Overdue principal (whether at maturity, by reason of acceleration or otherwise) and, to the extent permitted by
applicable law, overdue interest and fees or any other amounts payable under the Loan Agreement (including
without limitation overadvances) due to the Borrowers'
failure to p