POWER OF ATTORNEY
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POWER OF ATTORNEY
KNOW ALL MEN BY THESE PRESENTS, that each of the
undersigned hereby constitutes
and appoints Carl W. Struby as its true and lawful
attorney-in-fact and agent
and in its name, place and stead, to sign and file a
Form ID Application and any
or all reports on Form 3, Form 4, Form 5,
Schedule 13-D, Schedule 13-0, and Form
144), and any amendments thereto, required
or permitted to be filed or signed by
it under the Securities and Exchange Act
of 1934, as amended, or the Securities
Act of 1933, and to file the same, with all
documents required or permitted to
be filed in connection therewith, with
the Securities and Exchange Commission,
granting unto said attorney-in-fact and
agent full power and authority to do and
perform each and every act and thing
requisite and necessary to be done in and
about the premises as fully to all
intents and purposes it might or could do in
person, hereby ratifying and confirming
all that said attorney-in-fact and agent
may lawfully do or cause to be done by
virtue hereof.
Dated: May 7, 2013
Cray Family Management LLC
By: /s/ Karen Seaberg, Sole Manager
Cray MGP Holdings LP
By: Cray Family Management LLC, General Partner
By: /s/ Karen Seaberg, Sole Manager