| Writer's Direct Number | Writer's E-mail Address |
| 212.756.2208 | david.rosewater@srz.com |
May 14, 2014
VIA EDGAR
| Mr. Daniel F. Duchovny Special Counsel Office of Mergers and Acquisitions Securities and Exchange Commission Washington D.C. 20549-3628 |
| Re: | XenoPort, Inc. (“XenoPort” or the "Company") Filed April 11, 2014 File No. 001-51329 |
Dear Mr. Duchovny:
On behalf of Clinton Relational Opportunity Master Fund, L.P. and its affiliates (collectively, “Clinton”), Kevin J. Cameron, Rael Mazansky, M.D. and Charles A. Rowland, Jr. (each, a “Filing Person” and collectively with Clinton, the “Filing Persons”), we are hereby filing with the Securities and Exchange Commission a copy of the letter hand-delivered to the Company on February 10, 2014, which letter was referenced as supplemental material in my letter dated April 11, 2014 and previously emailed to your attention in connection with the Filing Persons' proxy statement on Schedule 14A for XenoPort's 2014 annual meeting. Such supplemental material is attached hereto in Exhibit A.
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Please do not hesitate to contact me at (212) 756-2208 with any additional comments or questions.
Very truly yours,
/s/ David Rosewater
David Rosewater
EXHIBIT A
February 10, 2014 Letter
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