**UNITED STATESSECURITIES AND EXCHANGE COMMISSION****WASHINGTON,D.C. 20549**

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**Form 10-K/A**

**ANNUAL REPORTPURSUANT TO SECTION 13 OR 15(d)OF THE SECURITIES EXCHANGE ACT OF 1934**

**x**         **ANNUAL REPORT PURSUANT TO SECTION 13OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934**

**For thefiscal year ended December 31, 2006**

**OR**

**o**            **TRANSITION REPORT PURSUANT TO SECTION13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934**

**For thetransition period from                    to                    **

**CommissionFile Number ****001-16749**

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**GeoPetro Resources Company**(Exact name of registrant as specified in its charter)

| **California**                                             |   | **94-3214487**                        |
|------------------------------------------------------------|--------|---------------------------------------|
| (State of  incorporation)                                  |   | (IRS Employer  Identification Number) |
|                                                       |   |                                  |
| **One  Maritime Plaza, Suite 700  San Francisco, CA** |   | **94111**                             |
| (Address of  principal executive offices)                  |   | (Zip Code)                            |

 

**(415)398-8186**(Registrant’s telephone number, including area code)

**Securitiesregistered pursuant to Section 12(b) of the Act:**

| Title of Each Class         | ** ** | **Name of Each Exchange on Which Registered** |
|-----------------------------|------------|-----------------------------------------------|
| Common Stock, No  Par Value |       | American Stock  Exchange                      |

 

**Securitiesregistered pursuant to Section 12(g) of the Act: None**

Indicate by check mark if theregistrant is a well-known seasoned issuer, as defined in Rule 405 of theSecurities Act. Yes o No x

Indicate by check mark if theregistrant is not required to file reports pursuant to Section 13 orSection 15(d) of the Act. Yes o No x

Indicate by check markwhether the registrant (1) has filed all reports required to be filed bySection 13 or 15(d) of the Securities Exchange Act of 1934 during thepreceding 12 months (or for such shorter period that the registrant wasrequired to file such reports), and (2) has been subject to such filingrequirements for the past 90 days. Yes o No x

Indicate by check mark ifdisclosure of delinquent filers pursuant to Item 405 of Regulation S-K isnot contained herein and will not be contained, to the best of registrant’sknowledge, in definitive proxy or information statements incorporated byreference in Part III of this Form 10-K or any amendment to thisForm 10-K. x

Indicate by check markwhether the registrant is a large accelerated filer, an accelerated filer, or anon-accelerated filer. See definition of “accelerated filer and largeaccelerated filer” in Rule 12b-2 of the Exchange Act.
| Large accelerated filer o | Accelerated  filer o | Non-accelerated  filer x |
|---------------------------|----------------------|--------------------------|

 

Indicate by check markwhether the registrant is a shell company. Yes o No x

The aggregate market value ofthe registrant’s common stock held by non-affiliates was approximately$110,874,342 based on the closing sale price of $4.95 per share as reported bythe American Stock Exchange on May 2, 2007.

The number of shares of theregistrant’s common stock outstanding on May 3, 2007 was 29,359,718.

**DOCUMENTSINCORPORATED BY REFERENCE**

None.

 

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**EXPLANATORY NOTE**

GeoPetro Resources Companyis filing this Amendment No. 1 (“Amendment No. 1”) to its Annual Report on Form10K for the fiscal year ended to include certain Unaudited SupplementaryQuarterly Financial Data previously omitted from the Annual Report on Form 10K.

 Other than that described above, no changeshave been made to any Items previously filed in the Form 10K, and thisAmendment No. 1 does not reflect events occurring after the Original Filing ormodify or update those disclosures affected by subsequent events.

 Pursuant to therules of the Securities and Exchange Commission, the company has includedcurrently dated certifications from its principal executive officer andprincipal financial officer, as required by Sections 302 and 906 of theSarbanes—Oxley Act of 2002.

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**GEOPETRO RESOURCES COMPANY**

**TABLE OF CONTENTS**
| **PART II**    |                                         |   |   |
|----------------|----------------------------------------------|--------|--------|
| Item 8.        | Financial  Statements and Supplementary Data |   |   |
| ** **     |                                         |   |   |
| **Signatures** |                                         |   |   |
| ** **     |                                         |   |   |
| **Exhibits**   |                                         |   |   |

 

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**PART II**

**Item 8. *Financial Statements and Supplementary Data***

**UNAUDITED SUPPLEMENTAL QUARTERLYFINANCIAL DATA**
| **2006**                       | ** ** | **First** | ** ** | **Second** | ** ** | **Third** | ** ** | **Fourth** | ** ** |
|--------------------------------|------------|-----------|------------|------------|------------|-----------|------------|------------|------------|
| Revenues                       |       | $         | 1,498,453  |       | $          | 1,969,064 |       | $          | 1,705,140  |   | $ | 1,543,703 |   |
| Income (loss) from  operations |       | $         | 119,566    |       | $          | (124,231  | )          | $          | (267,975   | ) | $ | (39,548 | ) |
| Net income (loss)              |       | $         | (73,077    | )          | $          | (249,540  | )          | $          | (489,224   | ) | $ | (199,965 | ) |
| Earnings per common  shares:   |       |      |       |       |       |      |       |       |       |
| Basic                          |       | $         | (0.00      | )          | $          | (0.01     | )          | $          | (0.02      | ) | $ | (0.01 | ) |
| Diluted                        |       | $         | (0.00      | )          | $          | (0.01     | )          | $          | (0.02      | ) | $ | (0.01 | ) |

 
| **2005**                       | ** ** | **First** | ** ** | **Second** | ** ** | **Third** | ** ** | **Fourth** | ** ** |
|--------------------------------|------------|-----------|------------|------------|------------|-----------|------------|------------|------------|
| Revenues                       |       | $         | 1,588,204  |       | $          | 1,621,750 |       | $          | 2,824,093  |   | $ | 1,941,943 |   |
| Income (loss) from  operations |       | $         | 240,023    |       | $          | 371,942   |       | $          | 1,357,935  |   | $ | 886,637 |   |
| Net income (loss)              |       | $         | 12,543     |       | $          | 177,035   |       | $          | 1,189,929  |   | $ | 731,567 |   |
| Earnings per common  shares:   |       |      |       |       |       |      |       |       |       |
| Basic                          |       | $         | 0.00       |       | $          | 0.01      |       | $          | 0.06       |   | $ | 0.03 |   |
| Diluted                        |       | $         | 0.00       |       | $          | 0.01      |       | $          | 0.05       |   | $ | 0.03 |   |

 

The sum of theindividual quarterly net income per common share amounts may not agree withyear-to-date net income per common share because each period’s computation isbased on the weighted average number of shares outstanding during that period.

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**SIGNATURES**

Pursuant to the requirements of Section 13 or15(d) of the Securities Exchange Act of 1934, the registrant has duly causedthis report to be signed on its behalf by the undersigned, thereunto dulyauthorized, on May 3, 2007.
|        | **GEOPETRO RESOURCES COMPANY**                                               | ** **          |
|--------|------------------------------------------------------------------------------|---------------------|
|   | By:                                                                          | /s/ Stuart J. Doshi |   |
|   | Stuart J. Doshi                                                              |                |
|   | Chairman of the  Board of Directors, President and Chief   Executive Officer |
|        |                                                                              |                     |  |

 

Pursuant to the requirements of the Securities ExchangeAct of 1934, this report has been signed below by the following persons onbehalf of the registrant and in the capacities indicated on May 3, 2007.
| Signature                 | ** ** | **Title**                                                             | ** ** | **Date**    |
|---------------------------|------------|-----------------------------------------------------------------------|------------|-------------|
| ** **                | ** ** | ** **                                                            | ** ** | ** **  |
| /s/ Stuart J.  Doshi      |       | Chairman of the  Board, President                                     |       | May 3, 2007 |
| Stuart J. Doshi           |       | and Chief  Executive Officer                                          |       |        |
|                      |       |                                                                  |       |        |
| /s/ David V.  Creel       |       | Vice President  of Exploration and                                    |       | May 3, 2007 |
| David V. Creel            |       | Director                                                              |       |        |
|                      |       |                                                                  |       |        |
| /s/ J. Chris  Steinhauser |       | Vice President  of Finance and                                        |       | May 3, 2007 |
| J. Chris  Steinhauser     |       | Chief Financial  Officer, Principal   Accounting Officer and Director |       |        |
|                      |       |                                                                  |       |        |
| /s/ Kevin M.  Delehanty   |       | Director                                                              |       | May 3, 2007 |
| Kevin M.  Delehanty       |       |                                                                  |       |        |
|                      |       |                                                                  |       |        |
| /s/ Thomas D.  Cunningham |       | Director                                                              |       | May 3, 2007 |
| Thomas D.  Cunningham     |       |                                                                  |       |        |
|                      |       |                                                                  |       |        |
| /s/ David G.  Anderson    |       | Director                                                              |       | May 3, 2007 |
| David G.  Anderson        |       |                                                                  |       |        |
|                      |       |                                                                  |       |        |
| /s/ Nick DeMare           |       | Director                                                              |       | May 3, 2007 |
| Nick DeMare               |       |                                                                  |       |        |

 

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**EXHIBIT INDEX**
| Exhibit  Number | ** ** | **Description**                                                                                                                        |
|-----------------|------------|----------------------------------------------------------------------------------------------------------------------------------------|
| 31.1*           |       | Rule 13a-14(a)/15d-14(a) Certification of Chief Executive  Officer.                                                                    |
| 31.2*           |       | Rule 13a-14(a)/15d-14(a) Certification of Chief  Financial Officer.                                                                    |
| 32.1*           |       | Certification of Chief Executive Officer and Chief  Financial Officer of GeoPetro Resources Company pursuant to 18 U.S.C. § 1350. |

 

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*                    Filedherewith

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