0001209191-11-030413.txt : 20110523 0001209191-11-030413.hdr.sgml : 20110523 20110523154312 ACCESSION NUMBER: 0001209191-11-030413 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 2 CONFORMED PERIOD OF REPORT: 20110519 FILED AS OF DATE: 20110523 DATE AS OF CHANGE: 20110523 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Koehler Michael R CENTRAL INDEX KEY: 0001428653 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-34877 FILM NUMBER: 11864976 MAIL ADDRESS: STREET 1: 5400 LEGACY, MAILSTOP: H3-3A-05 CITY: PLANO STATE: TX ZIP: 75024 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: CoreSite Realty Corp CENTRAL INDEX KEY: 0001490892 STANDARD INDUSTRIAL CLASSIFICATION: REAL ESTATE INVESTMENT TRUSTS [6798] IRS NUMBER: 000000000 STATE OF INCORPORATION: MD FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 1050 17TH STREET STREET 2: SUITE 800 CITY: DENVER STATE: CO ZIP: 80265 BUSINESS PHONE: (866) 777-2673 MAIL ADDRESS: STREET 1: 1050 17TH STREET STREET 2: SUITE 800 CITY: DENVER STATE: CO ZIP: 80265 4 1 doc4.xml FORM 4 SUBMISSION X0303 4 2011-05-19 0 0001490892 CoreSite Realty Corp COR 0001428653 Koehler Michael R 1050 17TH STREET SUITE 800 DENVER CO 80265 1 0 0 0 Restricted Stock Unit 2011-05-19 4 A 0 2394 0.00 A Common Stock 2394 4938 D Each Restricted Stock Unit ("RSU") represents the right to receive one share of Common Stock. The reporting person also holds a tandem Dividend Equivalent ("DE") for each RSU held, which gives the reporting person the right to receive, upon the payment of any ordinary quarterly cash dividend paid to holders of Common Stock, an equivalent payment in the form of additional RSUs and DEs. The RSUs will vest on September 28, 2011, and thereafter will be payable upon the reporting person's termination of service as a director. The RSUs have no expiration date. Exhibit List Exhibit 24 - Confirming Statement /s/ Derek S. McCandless, attorney-in-fact 2011-05-23 EX-24 2 attachment1.htm EX-24 DOCUMENT

POWER OF ATTORNEY

Know all by these presents, that the undersigned hereby constitutes and appoints any one of Derek S. McCandless or Erick H. Bromfield, acting alone, as the undersigned's true and lawful attorney-in-fact to:

(1) execute for and on behalf of the undersigned, in the undersigned's capacity as an officer of CoreSite Realty Corporation, a Maryland corporation (the "Company"), Forms 3, 4, and 5 in accordance with Section 16(a) of the Securities Exchange Act of 1934 and the rules thereunder;

(2) do and perform any and all acts for and on behalf of the undersigned which may be necessary or desirable to complete and execute any such Form 3, 4, or 5, complete and execute any amendment or amendments thereto, and timely file such form with the SEC and any stock exchange or similar authority; and

(3) take any other action of any type whatsoever in connection with the foregoing which, in the opinion of such attorney- in-fact, may be of benefit to, in the best interest of, or legally required by, the undersigned, it being understood that the documents executed by such attorney-in-fact on behalf of the undersigned pursuant to this Power of Attorney shall be in such form and shall contain such terms and conditions as such attorney-in-fact may approve in such attorney-in fact's discretion.

The undersigned hereby grants to such attorney-in-fact full power and authority to do and perform any and every act and thing whatsoever requisite, necessary, or proper to be done in the exercise of any of the rights and powers herein granted, as fully to all intents and purposes as the undersigned might or could do if personally present, with full power of substitution or revocation, hereby ratifying and confirming all that such attorney-in-fact, or such attorney-in-fact's substitute or substitutes, shall lawfully do or cause to be done by virtue of this power of attorney and the rights and powers herein granted. The undersigned acknowledges that the foregoing attorney-in-fact, in serving in such capacity at the request of the undersigned, is not assuming, nor is the Company assuming any of the undersigned's responsibilities to comply with Section 16 of the Securities Exchange Act of 1934.

This Power of Attorney shall remain in full force and effect until the undersigned is no longer required to file Forms 3, 4, and 5 with respect to the undersigned's holdings of and transactions in securities issued by the Company, unless earlier revoked by the undersigned in a signed writing delivered to the foregoing attorney-in-fact.

IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to be executed as of this 19^th day of May, 2011.

/s/ Michael R. Koehler

Michael R. Koehler