AMENDMENT TO PROMISSORY NOTE
This AMENDMENT (the “ Amendment ”) to the Promissory Note (as defined below) is made and entered into as of March
18, 2002, by and between Frederick R. Fromm and Oplink Communications, Inc., a Delaware corporation (the “ Company
WHEREAS , the Company previously made a loan to Mr. Fromm as evidenced by the promissory note dated August 16,
2000 in the aggregate principal amount of $400,000 (the “ Promissory Note ”); and
WHEREAS , the Company and Mr. Fromm now desire to amend the terms of the Promissory Note as set forth below.
NOW, THEREFORE , the parties hereto mutually agree that all consents or conditions required to be obtained or satisfied
under the Promissory Note in connection with this Amendment are hereby given and that the Promissory Note is amended as
1. MODIFICATIONS. Section 1 of the Promissory Note is hereby amended to read in its entirety as follows:
“1. Principal Repayment. The outstanding principal amount and any accrued and unpaid interest hereunder shall
be due and payable in one lump sum on June 30, 2007 (the “Maturity Date”); provided, however, the undersigned shall
apply the proceeds realized from any sale of common stock of the Company (or successor corporation) held by the
undersigned, net of the exercise price and tax liability with respect to such sale, to prepay or repay (as the case may be) the
principal and unpaid interest hereunder until this Note is settled in full.
2.1 Continuing Effect; No Waiver. All other provisions of the Promissory Note remain in full force and effect and are
unmodified by this Amendment. The parties hereby acknowledge that nothing in this Amendment shall be construed as a
waiver on behalf of the Company or Mr. Fromm of any other rights or obligations under the Promissory Note.
2.2 Counterparts. This Amendment may be executed in two or more counterparts, each o