POWER OF ATTORNEY
February 1, 2015
Know all men by these presents that each of the undersigned does hereby
make, constitute and appoint Matthew P. Fisher and each individual named on the
signature page hereto other than such undersigned, or any of them, as a true and
lawful attorney-in-fact of such undersigned with full powers of substitution and
revocation, for and in the name, place and stead of such undersigned (both in
such undersigned's individual capacity and as a director, officer, member,
partner or other authorized person of any corporation, limited liability
company, partnership or other entity for which such undersigned is otherwise
authorized to sign), to execute and deliver such forms, agreements and other
documents as may be required to be filed from time to time with the Securities
and Exchange Commission with respect to any investments of Cleantech Europe II
(A) L.P., Cleantech Europe II (B) L.P., Cleantech II General Partner Limited,
Cleantech II General Partner L.P. Zouk Capital LLP, Zouk Ventures Ltd, Zouk
Holdings Limited, or such undersigned (including, without limitation, any
amendments or supplements to any reports, forms or schedules previously filed by
such persons or entities): (i) pursuant to Sections 13(d) and 16(a) of the
Securities Exchange Act of 1934, as amended, including without limitation, any
Schedule 13D (including but not limited to any joint filing agreement with
respect thereto), Schedule 13G, Form 3, Form 4 and Form 5 and (ii) in connection
with any applications for EDGAR access codes, including, without limitation, the
Form ID.
[Remainder of Page Intentionally Left Blank]
This power of attorney is granted for a period of four (4) months. It
becomes effective on February 1, 2015 and terminates on May 31, 2015.
IN WITNESS WHEREOF, the undersigned hereby execute this Power of
Attorney as of the date first written above.
/s/ Samer Souhail Salty
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Samer Souhail Salty
/s/ Richard Alan Pereira
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Richard Alan Pereira
/s/ Helen Clare Grant
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Helen Clare Grant
Director
Zouk Holdings Limited
