TO OPTION AGREEMENT
THIS FIRST AMENDMENT TO OPTION AGREEMENT (this "Amendment") is dated as of January __,
2001 and entered into by and among Amerigon Incorporated, a California corporation (the "Holder"), BSST,
LLC, a Delaware limited liability company (the "Company"), and Dr. Lon E. Bell, the sole member of the
Company ("Dr. Bell") and is made with reference to that certain Option Agreement, dated as of September 4,
2000 (the "Option Agreement"), by and among the Holder, the Company and Dr. Bell. Capitalized terms used
herein without definition shall have the same meanings herein as set forth in the Option Agreement.
WHEREAS, the Holder's Option to purchase 2,000 Series A Preferred Units of the Company expires on
January 31, 2001;
WHEREAS, the Holder, the Company and Dr. Bell desire to amend the Option Agreement to permit the Holder
to change, once a month for up to four months, the date on which the Option expires; and
WHEREAS, as consideration for each change in the period in which the Option is exercisable, the Holder agrees
to deliver cash payments to the Company in accordance with the schedule set forth in this Amendment.
NOW, THEREFORE, in consideration of the premises and the agreements, provisions and covenants herein
contained, the parties hereto agree as follows:
SECTION 1. AMENDMENTS TO THE OPTION AGREEMENT
A. Grant of Option. Section 1 of the Option Agreement is hereby amended by (i) deleting the reference to
"Option Exercise Price" contained therein and substituting "Option Exercise Consideration" therefor and (ii)
deleting the last sentence thereof in its entirety and substituting the following sentence thereof:
"The Option Fee and any Option Extension Fee shall be fully refundable to the Holder in the event that Dr. Bell is
no longer an employee of the Company, but in all other circumstances shall be non-refundable."
B. Exercise of Option. Section 2 of the Option Agreement is hereby amended by deleting i