<PAGE>
Registration No. 333-64881
POST-EFFECTIVE AMENDMENT NO. 1
TO
FORM S-3
REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933
EXOGEN, INC.
--------------------------------
(Exact name of registrant as specified in its charter)
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<S> <C>
Delaware 22-3208468
----------- ------------
(State or other jurisdiction of (I.R.S. Employer
incorporation or organization) Identification No.)
10 Constitution Avenue, P.O. Box 6860, Piscataway, New Jersey 08855
- --------------------------------------------------------------- -----------------
(Address of Principal Executive Offices) (Zip Code)
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Patrick A. McBrayer, Chief Executive Officer and President
Exogen, Inc.
10 Constitution Avenue
P.O. Box 6860
Piscataway, New Jersey 08855
-----------------------------
(Name and address of agent for service)
(732) 981-0990
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(Telephone number, including area code, of agent for service)
Copy to:
Dennis V. Osimitz, Esq.
Sidley & Austin
Two South Dearborn
Chicago, Illinois 60603
<PAGE>
Removal of Shares From Registration
-----------------------------------
The 820,000 shares of Common Stock of the registrant covered by
Registration No. 333-64881 have been cancelled pursuant to a merger of the
registrant and therefore are hereby removed from registration, effective upon
the filing of this Post-Effective Amendment No. 1.
<PAGE>
SIGNATURE
Pursuant to the requirements of the Securities Act of 1933, the
Registrant has duly caused this Post-Effective Amendment No. 1 to Registration
Statement to be signed on its behalf by the undersigned, thereunto duly
authorized, in the City of Piscataway, State of New Jersey, on September 16,
1999.
EXOGEN, INC.
By: /s/ Patrick A. McBrayer
-------------------------------------------
Patrick A. McBrayer,
Chief Executive Officer and President
Pursuant to the requirements of the Securities Act of 1933, this Post-
Effective Amendment No. 1 to Registration Statement has been signed by the
following persons in the capacities and on the date indicated.
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Signatures Title Date
- ---------- ------ ----
<S> <C> <C>
/s/ Patrick A. McBrayer Chief Executive Officer, September 16, 1999
- ------------------------- President, and Director
Patrick A. McBrayer (Principal Executive Officer)
September 16, 1999
/s/ Richard H. Reisner Vice President, Chief Financial
- ------------------------- Officer, and Secretary
Richard H. Reisner (Principal Financial Officer)
/s/ Daniel Lewis Director September 17, 1999
- -------------------------
Daniel Lewis
/s/ Clifford K. Lomax Director September 21, 1999
- -------------------------
Clifford K. Lomax
/s/ Larry Papasan Director September 16, 1999
- -------------------------
Larry Papasan
/s/ James A. Ralston Director September 17, 1999
- -------------------------
James A. Ralston
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