POWER OF ATTORNEY

	Know all by these presents, that the
undersigned hereby constitutes and appoints each
of JAMES L. AUBUCHON, LOUIS A. FEDERLE, REBECCA
N. HEFFINGTON, WILLIAM B. LARSON, MURRAY R.
McCLEAN and ANN J. BRUDER, signing singly,
the undersigneds true and lawful
attorney-in-fact to:

(1) execute for and on behalf of the undersigned,
in the undersigneds capacity as an officer and/or
director of Commercial Metals Company (the Company),
Forms 3, 4, and 5 in accordance with Section 16(a)
of the Securities Exchange Act of 1934 and the rules
hereunder;
(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, complete and execute any amendment or amendments
thereto, and timely file such form 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-facts discretion.

        The undersigned hereby grants to each 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-facts 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 attorneys-in-fact, in serving in such
capacity at the request of the undersigned, are not
assuming, nor is the Company assuming, any of the
undersigneds 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 or 5 with respect to
the undersigneds holdings of and transactions in
securities issued by the Company, unless earlier
revoked by the undersigned in a signed writing
delivered to the foregoing attorneys-in-fact.

	IN WITNESS WHEREOF, the undersigned has
caused this Power of Attorney to be executed as of
this 21st day of July, 2010.

			________________________
			/s/Devesh Sharma