September 10, 1998
FEDERAL EXPRESS AND FACSIMILE
▇▇▇▇▇▇▇ Couillaud
Coherent, Inc.
▇▇▇▇ ▇▇▇▇▇▇▇ ▇▇▇▇▇ ▇▇▇▇▇
▇▇▇▇▇ ▇▇▇▇▇, ▇▇ ▇▇▇▇▇
Dear ▇▇▇▇▇▇▇:
This letter is to confirm our agreement that the payment date for the four
million dollar ($4,000,000) promissory note (the "Loan") currently outstanding
from Coherent, Inc. ("Coherent") to Palomar Medical Technologies, Inc.
("Palomar") shall be extended until the earlier to occur of: i) the closing of
the sale by Palomar to Coherent of Star Medical Technologies, Inc. ("Star") or
ii) ninety (90) days from the termination of negotiations between Coherent and
Palomar regarding the sale of Star and/or the licensing of Star's diode array
stacking technology.
Please confirm Coherent's agreement with the above terms by signing where
indicated below. Thank you.
Sincerely,
/s/
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▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇
Chief Executive Officer
COHERENT, INC.
/s/
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Name: ▇▇▇▇▇▇▇ Couillaud
Title: Chief Executive Officer
LPV/sbr
