Equity Commonwealth - FORM 10-K/A - EX-31.4

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10-K/A - 10-K/A - Equity Commonwealth	a2219950z10-ka.htm
EX-31.5 - EX-31.5 - Equity Commonwealth	a2219950zex-31_5.htm

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EXHIBIT 31.4

CERTIFICATION PURSUANT TO EXCHANGE ACT RULES 13a-14(a) AND 15d-14(a)

I, Adam D. Portnoy, certify that:

1.: I have reviewed this Annual Report on Form 10-K/A of CommonWealth REIT;
2.: Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;


Date: April 30, 2014		/s/ ADAM D. PORTNOY Adam D. Portnoy President

Equity Commonwealth - FORM 10-K/A - EX-31.4 - April 30, 2014