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SECTION 906 CERTIFICATION
We, Thomas M. O'Brien, President, and Mark L. Kleifges, Treasurer, of RMR Real Estate Fund (the "registrant"), certify that:
1. The report on Form N-CSR of the registrant for the six months ended June 30, 2005 (the "Report") fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended; and
2. The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the registrant.
By: | /s/ THOMAS M. O'BRIEN Thomas M. O'Brien President | ||
Date: August 22, 2005 | |||
By: | /s/ MARK L. KLEIFGES Mark L. Kleifges Treasurer | ||
Date: August 22, 2005 |