UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, DC  20549

FORM 8-K

CURRENT REPORT PURSUANT

TO SECTION 13 OR 15(d) OF THE

SECURITIES EXCHANGE ACT OF 1934

Date of report (Date of earliest event reported): July 2, 2013

SELECT INCOME REIT

(Exact Name of Registrant as Specified in Its Charter)

Maryland

(State or Other Jurisdiction of Incorporation)

(617) 796-8303

(Registrant’s Telephone Number, Including Area Code)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

o            Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

o            Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

o            Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

o            Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Item 2.01.  Completion of Acquisition or Disposition of Assets.

On July 2, 2013, a subsidiary of Select Income REIT, or the Company, acquired an office property consisting of one building located at 501 South 5th Street, Richmond, VA, with approximately 310,950 square feet, or the Property, for a purchase price of approximately $143.6 million, excluding closing costs, from Foundry Park I, LLC.  This purchase was funded using cash on hand and borrowings under the Company’s revolving credit facility.  The Property is leased solely to MeadWestvaco Corporation pursuant to a triple net lease and, therefore, no financial statements are required to be filed in connection with this acquisition.

2

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

3