As filed with the Securities and Exchange Commission on April 4, 2007
Registration No. 333-136778
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
Post-Effective Amendment No. 1
to
FORM S-1
REGISTRATION STATEMENT
UNDER
THE SECURITIES ACT OF 1933
CARRIZO OIL & GAS, INC.
(Exact name of Registrant as specified in its charter)
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Texas
(State or other jurisdiction of
incorporation or organization)
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1311
(Primary Standard Industrial
Classification Code Number)
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76-0415919
(I.R.S. Employer
Identification No.) |
1000 Louisiana, Suite 1500
Houston, Texas 77002
(713) 328-1000
(Address, including zip code, and telephone number, including
area code, of registrants principal executive offices)
S.P. Johnson IV
President and Chief Executive Officer
Carrizo Oil & Gas, Inc.
1000 Louisiana, Suite 1500
Houston, Texas 77002
(713) 328-1000
(Name, address, including zip code, and telephone number,
including area code, of agent for service)
Copy to:
Gene J. Oshman
Baker Botts L.L.P.
One Shell Plaza
910 Louisiana Street
Houston, Texas 779002
(713) 229-1178
Approximate date of commencement of proposed sale to the public: Sales under this registration
statement are ongoing.
If any of the securities being registered on this Form are to be offered on a delayed or
continuous basis pursuant to Rule 415 under the Securities Act of 1933, please check the following
box: þ
If this Form is filed to register additional securities for an offering pursuant to Rule
462(b) under the Securities Act, please check the following box and list the Securities Act
registration statement number of the earlier effective registration statement for the same
offering: o
If this Form is a post-effective amendment filed pursuant to Rule 462(c) under the Securities
Act of 1933, please check the following box and list the Securities Act registration statement
number of the earlier effective registration statement for the same offering. o
If this Form is a post-effective amendment filed pursuant to Rule 462(d) under the Securities
Act of 1933, please check the following box and list the Securities Act registration statement
number of the earlier effective registration statement for the same offering: þ 333-136778
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SIGNATURES
Pursuant to the requirements of the Securities Act of 1933, the Registrant has duly caused
this registration statement to be signed on its behalf by the undersigned, thereunto duly
authorized, in the City of Houston, the State of Texas, on April 4, 2007.
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CARRIZO OIL & GAS, INC.
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By: |
/s/ S.P. Johnson IV
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Name: |
S.P. Johnson IV |
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Title: |
President and Chief Executive Officer |
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Pursuant to the requirements of the Securities Act of 1933, this registration statement has
been signed by the following persons in the capacities indicated on April 4, 2007.
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Signature
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Title |
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/s/ S.P. Johnson IV
(S.P. Johnson IV)
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President, Chief Executive Officer and
Director (Principal Executive Officer) |
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/s/ Paul F. Boling
(Paul F. Boling)
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Chief Financial Officer, Vice
President, Secretary and
Treasurer (Principal Financial and
Accounting Officer) |
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Chairman |
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(Thomas L. Carter, Jr.)
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Director |
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Director |
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Director |
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Director |
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Director |
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*By: |
/s/ Paul F. Boling
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Paul F. Boling |
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Attorney-in-Fact |
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