| Here’s how to order a copy of the proxy materials and select a future delivery preference: Paper copies: Current and future paper delivery requests can be submitted via the telephone, Internet or email options below. Email copies: Current and future email delivery requests must be submitted via the Internet following the instructions below. If you request an email copy of current materials you will receive an email with a link to the materials. PLEASE NOTE: You must use the number in the shaded bar on the reverse side when requesting a set of proxy materials. g Internet – Go to www.envisionreports.com/BOOM. Click Cast Your Vote or Request Materials. Follow the instructions to log in and order a copy of the current meeting materials and submit your preference for email or paper delivery of future meeting materials. g Telephone – Call us free of charge at 1-866-641-4276 and follow the instructions to log in and order a paper copy of the materials by mail for the current meeting. You can also submit a preference to receive a paper copy for future meetings. g Email – Send email to investorvote@computershare.com with “Proxy Materials Dynamic Materials Corporation” in the subject line. Include in the message your full name and address, plus the number located in the shaded bar on the reverse, and state in the email that you want a paper copy of current meeting materials. You can also state your preference to receive a paper copy for future meetings. To facilitate timely delivery, all requests for a paper copy of the proxy materials must be received by May 10, 2012. . Stockholder Meeting Notice Dynamic Materials Corporation’s Annual Meeting of Stockholders will be held on May 24, 2012 at the St. Julien Hotel, 900 Walnut Street, Boulder, Colorado 80302, at 8:30 a.m. local time. Proposals to be voted on at the meeting are listed below along with the Board of Directors’ recommendations. The Board of Directors recommends a vote “FOR” the listed proposals: 1. Election of Directors: Dean K. Allen, Yvon Pierre Cariou, Robert A. Cohen, James J. Ferris, Richard P. Graff, Bernard Hueber, Gerard Munera, and Rolf Rospek 2. To approve the amendment to the Company’s Employee Stock Purchase Plan. 3. To ratify the appointment of Ernst & Young LLP as our independent registered public accounting firm for the fiscal year ending December 31, 2012. 4. To approve the non-binding, advisory vote on executive compensation. PLEASE NOTE – YOU CANNOT VOTE BY RETURNING THIS NOTICE. To vote your shares you must vote online or request a paper copy of the proxy materials to receive a proxy card. If you wish to attend and vote at the meeting, please bring this notice with you. 01GK4B |