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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
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1. Name and Address of Reporting 2. Date of Event 4. Issuer Name and Ticker or Trading
Person* Requiring Statement Symbol
(Month/Day/Year)
Riviere Bernard 6/14/00 Dynamic Materials Corporation (BOOM)
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(Last) (First) (Middle) 3. I.R.S. Identification 5. Relationship of Reporting Person(s) 6. If Amendment, Date of
SNPE or Social Security to Issuer (Check all applicable) Original (Month/Day/Year)
12 Quai Henri IV Number of Reporting ----------------------------
-------------------------------------- Person, if an entity X Director 10% Owner 7. Individual or Joint/Group
(Street) (Voluntary) --- --- Filing (Check Applicable
Line)
75181 Paris Cedex 04, France --- Officer --- Other X Form filed by One
-------------------------------------- (give title below) (specify below) --- Reporting Person
(City) (State) (Zip) Form filed by More
--- than One Reporting
Person
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Table I-- Non-Derivative Securities Beneficially Owned
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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)
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No securities owned
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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)
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FORM 3 (continued) Table II -- Derivative Securities Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
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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
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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 Riviere 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 Riviere
Potential persons who are to respond to the collection of information contained Title: Director
in this form are not required to respond unless the form displays a currently
valid OMB Number.
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