FORM 3 U.S. SECURITIES AND EXCHANGE COMMISSION OMB APPROVAL Washington, D.C. 20549 OMB Number 3235-0104 Expires: October 31, 2001 INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES Estimated average burden hours per response ... 0.5 Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(f) of the Investment Company Act of 1940 - ------------------------------------------------------------------------------------------------------------------------------------ 1. Name and Address of Reporting 2. Date of Event 4. Issuer Name and Ticker or Trading Person* Requiring Statement Symbol (Month/Day/Year) Hueber Bernard 6/14/00 Dynamic Materials Corporation (BOOM) - ------------------------------------------------------------------------------------------------------------------------------------ (Last) (First) (Middle) 3. I.R.S. Identification 5. Relationship of Reporting Person(s) 6. If Amendment, Date of Nobel Explosifs France or Social Security to Issuer (Check all applicable) Original (Month/Day/Year) Tour Aurore, 92975 Paris La Defense Number of Reporting ---------------------------- - -------------------------------------- Person, if an entity X Director 10% Owner 7. Individual or Joint/Group (Street) (Voluntary) --- --- Filing (Check Applicable X Line) Cedex, France --- Officer --- Other X Form filed by One - -------------------------------------- (give title below) (specify below) --- Reporting Person (City) (State) (Zip) Chairman Form filed by More --- than One Reporting Person - ------------------------------------------------------------------------------------------------------------------------------------ Table I-- Non-Derivative Securities Beneficially Owned - ------------------------------------------------------------------------------------------------------------------------------------ 1. Title of Security 2. Amount of Securities 3. Ownership Form: 4. Nature of Indirect (Instr. 4) Beneficially Owned Direct (D) or Beneficial Ownership (Instr. 4) Indirect (I) (Instr. 5) (Instr. 5) - ------------------------------------------------------------------------------------------------------------------------------------ No securities owned - ------------------------------------------------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------------------------------------------ Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. (Over) * If the form is filed by more than one reporting person, see Instruction 5(b)(v). SEC 1473 (3-99) Page 1 of 2

- ------------------------------------------------------------------------------------------------------------------------------------ FORM 3 (continued) Table II -- Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities) - ------------------------------------------------------------------------------------------------------------------------------------ 1. Title of Derivative 2. Date Exercisable 3. Title and Amount of Securities 4. Conversion 5. Ownership 6. Nature of Security (Instr. 4) and Expiration Date Underlying Derivative Security or Exercise Form of Indirect (Month/Day/Year) (Instr. 4) Price of Derivative Beneficial Derivative Security: Ownership Security Direct (D) or (Instr. 5) --------------------------------------------------------- Indirect (I) (Instr. 5) Amount or Date Expiration Title Number of Exercisable Date Shares - ------------------------------------------------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------------------------------------------ Explanation of Responses: ** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a). /s/ Bernard Hueber 06/23/00 Note: File three copies of this Form, one of which must be manually signed. -------------------------------- -------------- If space provided is insufficient, See Instruction 6 for procedure. ** Signature of Reporting Person Date Name: Bernard Hueber Potential persons who are to respond to the collection of information contained Title: Director and Chairman in this form are not required to respond unless the form displays a currently valid OMB Number. Page 2 of 3