The undersigned hereby appoints Mel G. Brekhus and Robert D. Rogers, and each of them, with power to act without the other and with power of substitution, as proxies and attorneys-in-fact and hereby authorizes them to represent and vote, as provided on this voting site, all the shares of Texas Industries, Inc. Common Stock which the undersigned is entitled to vote, and, in their discretion, to vote upon such other business as may properly come before the Annual Meeting of Shareholders of the Company to be held on Tuesday, October 21, 2008 at 9:30 A.M. at The Crescent Club, 200 Crescent Court, 17th Floor, Dallas, Texas 75201 or at any adjournment or postponement thereof, with all powers which the undersigned would possess if present at the Meeting.