================================================================================ UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (date of earliest event reported): APRIL 27, 2005 CARRIZO OIL & GAS, INC. (Exact name of registrant as specified in its charter) TEXAS 000-29187-87 76-0415919 (State or other jurisdiction (Commission (I.R.S. Employer of incorporation) File Number) Identification No.) <Table> 1000 LOUISIANA STREET SUITE 1500 HOUSTON, TEXAS 77002 (Address of principal executive offices) (Zip code) </Table> Registrant's telephone number, including area code: (713) 328-1000 N/A (Former name or former address, if changed since last report.) Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions: [ ] Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) [ ] Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) [ ] Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) [ ] Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) ================================================================================ ITEM 8.01 OTHER EVENTS. The letter dated April 27, 2005 to the Compensation Committee of the Board of Directors of Carrizo Oil & Gas, Inc. (the "Company") from S.P. Johnson, IV, Chief Executive Officer, which is filed as Exhibit 99.1 to this Current Report, is incorporated herein by reference. The information contained in this Current Report includes forward-looking statements within the meaning of the Securities Act of 1933 and the Securities Exchange Act of 1934. These forward-looking statements are subject to certain risks, uncertainties and assumptions identified above or as disclosed from time to time in the Company's filings with the Securities and Exchange Commission, including the approval of the amendment to the Incentive Plan by the Company's shareholders. As a result of these factors, actual results may differ materially from those indicated or implied by such forward-looking statements. ITEM 9.01. FINANCIAL STATEMENTS AND EXHIBITS. (c) Exhibits. <Table> Exhibit Number Description - -------------- ----------- 99.1 Letter dated April 27, 2005 to Members of the Compensation Committee of the Board of Directors from S.P. Johnson, IV, Chief Executive Officer regarding the Company's Incentive Plan. </Table> SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. CARRIZO OIL & GAS, INC. By: /s/ Paul F. Boling -------------------------------------------------- Name: Paul F. Boling Title: Vice President and Chief Financial Officer Date: April 27, 2005 EXHIBIT INDEX <Table> 99.1 Letter dated April 27, 2005 to Members of the Compensation Committee of the Board of Directors from S.P. Johnson, IV, Chief Executive Officer regarding the Company's Incentive Plan. </Table>