Exhibit 3.2(x)

TENTH AMENDMENT TO
SECOND AMENDED AND RESTATED AGREEMENT
 OF LIMITED PARTNERSHIP OF
DUKE REALTY LIMITED PARTNERSHIP

The undersigned, as the General Partner of Duke Realty Limited Partnership (the “Partnership”), hereby amends the Partnership’s Second Amended and Restated Agreement of Limited Partnership, as heretofore amended (the “Partnership Agreement”), pursuant to Sections 4.02(a) and 9.05(a)(v) of the Partnership Agreement, to (a) de-designate all series of preferred units that were designated as Series A Preferred Units, Series D Convertible Cumulative Redeemable Preferred Units, Series E Cumulative Redeemable Preferred Units, Series F Cumulative Redeemable Preferred Units, Series H Cumulative Redeemable Preferred Units, and Series I Cumulative Redeemable Preferred Units, and (b) delete those exhibits designating and setting forth the rights of the Partnership’s previously issued Series A Preferred Units, Series D Convertible Cumulative Redeemable Preferred Units, Series E Cumulative Redeemable Preferred Units, Series F Cumulative Redeemable Preferred Units, Series H Cumulative Redeemable Preferred Units, and Series I Cumulative Redeemable Preferred Units, each of which series has since been redeemed in full and no units of which series are any longer outstanding.  In all other respects, the Partnership Agreement shall continue in full force and effect as amended hereby.  Any capitalized terms used in this Amendment and not defined herein have the meanings given to them in the Partnership Agreement.

Dated: April 30, 2007	DUKE REALTY LIMITED PARTNERSHIP, an Indiana limited partnership
	By:	DUKE REALTY CORPORATION, an Indiana corporation, its sole general partner
		By:	/s/ Howard L. Feinsand
			Howard L. Feinsand
			Executive Vice President, General Counsel and Corporate Secretary