JOINT FILING AGREEMENT PURSUANT TO RULE 13d-1(k)(1)
EXHIBIT
A
JOINT
FILING AGREEMENT PURSUANT TO RULE 13d-1(k)(1)
This
agreement is made pursuant to Rule 13d-1(k)(1) under the Exchange Act by and
among the parties listed below, each referred to herein as a “Joint
Filer”. The Joint Filers agree that a statement of beneficial
ownership as required by Section 13(d) of the Exchange Act and the Rules
thereunder may be filed on each of their behalf on Schedule 13D or Schedule 13G,
as appropriate, with respect to their ownership of the Common Stock, par value
$0.001 per share, of Sycamore Networks, Inc., and that said joint filing may
thereafter be amended by further joint filings. The Joint Filers
state that they each satisfy the requirements for making a joint filing under
Rule 13d-1. This Agreement may be executed in any number of
counterparts, all of which taken together shall constitute one and the same
instrument.
IN
WITNESS WHEREOF, the undersigned hereby execute this Joint Filing Agreement as
of the 12th day
of February, 2010.
/s/
Xxxxxx X. Xxxxx
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Xxxxxx
X. Xxxxx
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/s/
Xxxxxxxxx X. Xxxxx
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Xxxxxxxxx
X. Xxxxx
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PLATYKO
PARTNERS, L.P.
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By:
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/s/
Xxxxxx X. Xxxxx
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Name:
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Xxxxxx
X. Xxxxx
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Title:
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Managing
Agent
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