| THIS PROXY IS SOLICITED ON BEHALF OF MARTIN MARIETTA MATERIALS, INC. FOR USE AT THE 2012 ANNUAL MEETING OF SHAREHOLDERS OF VULCAN MATERIALS COMPANY THIS BLUE VOTING INSTRUCTION FORM FOR PLAN PARTICIPANTS ONLY APPLIES TO PLAN ACCOUNT SHARES This proxy is solicited on behalf of Martin Marietta Materials, Inc. ("Martin Marietta"), and not on behalf of the Board of Directors of Vulcan Materials Company, a New Jersey corporation ("Vulcan"). The undersigned shareholder of Vulcan hereby appoints the NORTHERN TRUST COMPANY with power of substitution and resubstitution, as proxies and attorneys-in-fact and hereby authorizes them to represent and vote, as provided on the reverse side of this card, all the shares of Vulcan common stock, par value $1.00 per share, allocated to plan accounts which the undersigned is entitled to vote, and, in their discretion, to vote upon such other business as may properly come before the 2012 Annual Meeting of Shareholders of the company to be held on June 1, 2012, at 3:00 p.m., Central Daylight Time, at The Harbert Center, 2019 Fourth Avenue North, Birmingham, Alabama 35203, and at any adjournment or postponement thereof, or any special meeting that may be called in lieu thereof (the"Annual Meeting"), with all powers which the undersigned would possess if present at the Annual Meeting. This proxy revokes any proxies previously provided with respect to the matters covered by this proxy. This proxy is solicited by Martin Marietta Materials, Inc. and when properly executed will be voted as specified herein and, unless otherwise directed, will be voted FOR all the nominees listed in Proposal 1 (Philip R. Lochner, Jr., Edward W. Moneypenny, Karen R. Osar, and V. James Sardo), and ABSTAIN with respect to Proposals 2-6. Martin Marietta recommends voting FOR each of the nominess. The named proxies will vote on such other matters as may properly come before the Annual Meeting in the named proxies' discretion, including with respect to matters which Martin Marietta did not know within a reasonable time fefore beginning the solicitation of proxies that are to be presented at the Annual Meeting. The undersigned acknowledges receipt of the Proxy Statement of Martin Marietta dated April 25, 2012 (the "Proxy Statement"). Important Notice Regarding the Availability of Proxy Materials for the 2012 Meeting The Proxy Statement is, and all other soliciting materials filed by Martin Marietta after the date of the Proxy Statement will be, available at http://www.ezodproxy.com/vmc-mim/2012 B L U E P R O X Y SEE REVERSE SIDE |