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FORM 4 U.S. SECURITIES AND EXCHANGE COMMISSION OMB APPROVAL
/X/ Check this box if no longer Washington, D.C. 20549 OMB Number 3235-0287
subject to Section 16. Form 4 Expires: December 31, 2001
or Form 5 obligations may STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Estimated average burden
continue. See Instruction 1(b). 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
(Print or Type Responses)
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1. Name and Address of Reporting Person* 2. Issuer Name and Ticker or Trading Symbol 6. Relationship of Reporting Person(s)
to Issuer (Check all applicable)
Nobel Explosifs France Dynamic Materials Corporation (BOOM)
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(Last) (First) (Middle) 3. I.R.S. Identification 4. Statement for --- ---
Number of Reporting Month/Year Officer (give Other (specify
Person, if an entity --- title below) --- below)
Tour Aurore, 92975 Paris La Defense (voluntary) 12/99
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(Street) 5. If Amendment, 7. Individual or Joint/Group Filing (Check
Date of Original Applicable Line)
Cedex, France (Month/Year) Form filed by one Reporting Person
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(City) (State) (Zip) X Form filed by More than One
--- Reporting Person
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Table I-- Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
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1. Title of Security 2. Transaction 3. Trans- 4. Securities Acquired (A) 5. Amount of 6. Owner- 7. Nature of
(Instr. 3) Date (Month/ action or Disposed of (D) Securities ship Indirect
Day/Year) Code (Instr. 3, 4 and 5) Beneficially Form: Beneficial
(Instr. 8) Owned at End Direct Owner-
-------------------------------------------- of Month (D) or ship
Indirect
Code V Amount (A) or Price (Instr. 3 and 4) (I)
(D) (Instr. 4) (Instr. 4)
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Common Stock 12/22/99 J 406,400 D $1.44 0 D
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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 4(b)(v). SEC 1474 (3-99)
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FORM 4 (continued) Table II -- Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
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1.Title of 2.Conver- 3.Transac- 4.Transac- 5.Number of 6.Date Exer- 7.Title and 8.Price of 9.Number of 10.Ownership 11.Nature of
Derivative sion or tion Date tion Code Derivative cisable and Amount of Derivative Derivative Form of Indirect
Security Exercise (Month/ (Instr.8) Securities Expiration Underlying Security Securities Derivative Beneficial
(Instr.3) Price of Day/Year) Acquired Date Securities (Instr.5) Bene- Security: Ownership
Deriv- (A) or (Month/Day/ (Instr.3 ficially Direct (D) (Instr.4)
ative Disposed Year) and 4) Owned at or Indi-
Security of (D) End of rect (I)
(Instr.3, Month (Instr.4)
4, and 5) (Instr.4)
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Date Expira- Amount
Code V (A) (D) Exer- tion Title or
cisable Date Number
of
Shares
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Explanation of Responses:
Nobel Explosifs France, a wholly-owned subsidiary of SNPE, sold all of the common stock in Dynamic Materials Corporation that it
owned to SNPE, Inc., another wholly-owned subsidiary of SNPE.
/s/ Bernard Hueber 12/30/99
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** Intentional misstatements or omissions of facts constitute **Signature of Reporting Person Date
Federal Criminal Violations. Title: Chairman of the Board and
See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a). Chief Executive Officer
On Behalf of Nobel Explosives France
Note: File three copies of this Form, one of which must be manually signed.
If space is insufficient, see Instruction 6 for procedure.
Potential persons who are to respond to the collection of information contained in the form are not
required to respond unless the form displays a currently valid OMB Number. Page 2 of 3
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Joint Filer Information
Name: SNPE
Address: 12, Quai Henri IV
75181 Paris Cedex 04
Cedex, FRANCE
Designated Filer: Nobel Explosifs France (1)
Issuer & Ticker Symbol: Dynamic Materials Corporation (BOOM)
Date of Event Requiring Statement: 12/22/99
Signature: /s/ Michel Philippe Date: 12/30/99
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Name: Michel Philippe
Title: Senior Vice-President
Finance and Legal Affairs
On behalf of SNPE
(1) Nobel Explosifs France is a wholly-owned subsidiary of SNPE. SNPE continues
to be an indirect beneficial owner of the common stock of Dynamic Materials
Corporation through the holdings of SNPE, Inc., another wholly-owned
subsidiary of SNPE.
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