THAT PURCHASER MUST HOLD THE COMMON STOCK
PURCHASED HEREUNDER INDEFINITELY, AND THAT THE COMPANY HAS NO OBLIGATION TO
REPURCHASE SUCH SHARES. PURCHASER FURTHER ACKNOWLEDGES THAT ANY RISK RELATED TO
THE FLUCTUATION IN THE VALUE OF THE STOCK FROM AND AFTER THE DATE HEREOF,
INCLUDING ANY LOSSES TO PURCHASER AS A RESULT OF THE COMPANY'S EXERCISE OF ITS
REPURCHASE OPTION PURSUANT TO SECTION 2, SHALL BE BORNE BY PURCHASER.
PURCHASER ACKNOWLEDGES THAT PURCHASER HAS READ ALL TAX RELATED SECTIONS AND
FURTHER ACKNOWLEDGES PURCHASER HAS HAD AN OPPORTUNITY TO CONSULT PURCHASER'S OWN
TAX, LEGAL AND FINANCIAL ADVISORS REGARDING THE PURCHASE OF COMMON STOCK UNDER
THIS AGREEMENT.
PURCHASER ACKNOWLEDGES AND AGREES THAT IN MAKING THE DECISION TO PURCHASE THE
COMMON STOCK HEREUNDER PURCHASER HAS NOT RELIED ON ANY STATEMENT, WHETHER
WRITTEN OR ORAL, REGARDING THE SUBJECT MATTER HEREOF, EXCEPT AS EXPRESSLY
PROVIDED HEREIN AND IN THE ATTACHMENTS AND EXHIBITS HERETO.
PURCHASER:
/s/ Christoph Westphal
Christoph Westphal
Address:
17 Hawes St.
Brookline, MA 02446
VESTING COMMENCEMENT DATE:
August 10, 2010
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