UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 14A
Proxy Statement Pursuant to Section 14(a) of the
Securities Exchange Act of 1934
Filed by the Registrantx
Filed by a Party other than the Registranto

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oPreliminary Proxy Statement
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oDefinitive Proxy Statement
xDefinitive Additional Materials
oSoliciting Material Pursuant to §240.14a-12

ORION OFFICE REIT INC.
(Name of Registrant as Specified in Its Charter)

(Name of Person(s) Filing Proxy Statement, if Other Than the Registrant)
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