POWER OF ATTORNEY
                        FOR SECTION 16 REPORTING PURPOSES

         Know all by these presents, that the undersigned hereby constitutes and
appoints Stephen C. Mecke, Kathryn Arnone and Alan H. Simmons 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 and/or director of STAG
                  Industrial, Inc. (the "Company"), Forms 3, 4, and 5 in
                  accordance with Section 16(a) of the Securities Exchange Act
                  of 1934 and the rules thereunder, and any other forms or
                  reports the undersigned may be required to file in connection
                  with the undersigned's ownership, acquisition, or disposition
                  of securities of the Company;

         (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, or other form or report,
                  and timely file such form or report with the United States
                  Securities and Exchange Commission 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 16th day of July, 2012.


                                       /s/ CHRISTOPHER P. MARR
                                       --------------------------
                                       Christopher P. Marr
                                       Director