##### Table of Contents



UNITED STATES SECURITIES AND EXCHANGE COMMISSION
 Washington, D.C. 20549
 FORM 40-F/A
 (AMENDMENT
NO. 1)
 þ
    
    REGISTRATION STATEMENT PURSUANT TO SECTION 12 OF THE
SECURITIES EXCHANGE ACT OF 1934
 o
    
    ANNUAL REPORT PURSUANT TO SECTION 13(a) OR 15(d) OF THE
SECURITIES EXCHANGE ACT OF 1934
 For the fiscal year ended
    
    Commission File Number 001-33548
 
 Jaguar Mining Inc.
 (Exact name of Registrant as specified in its charter)
 Ontario(Province or
other Jurisdiction
 of Incorporation or
Organization)
    
    1040(Primary Standard Industrial
Classification Code Number)
    
    98-6396253(I.R.S. Employer Identification No.)
 48 Pleasant St.
Concord, New Hampshire 03301
(603) 224-4800  (Address and telephone number of Registrants principal executive offices)
 (Name, address (including zip code) and telephone number
(including area code) of agent for service in the United States)
 
  Name of Each ExchangeTitle of Each Class
    
    on which RegisteredCommon Shares, No Par Value
    
    NYSE Arca, Inc.Rights
    
    NYSE Arca, Inc.
  None
  None
  o o
  o  þ
  o þ




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TABLE OF CONTENTS  EXHIBITSSIGNATUREEXHIBIT INDEXEX-23.4    Table of Contents  DOCUMENTS FILED UNDER COVER OF THIS FORM
 Document No.**    (All documents listed below are
incorporated by reference into the Registration Statement on
Form 40-F of the Registrant, which was filed with the SEC on
June 18, 2007 (File No. 001-33548))1.
    
    Annual Information Form for the year ended December 31, 2006.2.
    
    Annual Information Form for the year ended December 31, 2005.3.
    
    Audited Annual Financial Statements for the year ended December 31, 2006 and December 31,
2005.4.
    
    Audited Annual Financial Statements for the year ended December 31, 2005 and December 31,
2004.5.
    
    Unaudited Interim Financial Statements for the period ended March 31, 2007.6.
    
    Unaudited Interim Financial Statements for the period ended September 30, 2006.7.
    
    Unaudited Interim Financial Statements for the period ended June 30, 2006.8.
    
    Unaudited Interim Financial Statements for the period ended March 31, 2006.9.
    
    Managements Discussion and Analysis for the years ended December 31, 2006 and 2005.10.
    
    Managements Discussion and Analysis for the years ended December 31, 2005 and 2004.11.
    
    Managements Discussion and Analysis for the three months ended March 31, 2007 and 2006.12.
    
    Managements Discussion and Analysis for the nine months ended September 30, 2006 and 2005.13.
    
    Managements Discussion and Analysis for the six months ended June 30, 2006 and 2005.14.
    
    Managements Discussion and Analysis for the three months ended March 31, 2006 and 2005.15.
    
    Financial Advisory Agreement dated February 27, 2007.16.
    
    Underwriting Agreement dated March 9, 2007.17.
    
    Note Indenture dated March 22, 2007 relating to the 10.5% Secured Notes due March 23, 2012.18.
    
    Second Supplemental Warrant Indenture, dated February 28, 2007.19.
    
    First Supplemental Warrant Indenture, dated December 20, 2005.20.
    
    Material Change Report, dated May 4, 2007.21.
    
    Material Change Report, dated March 19, 2007.22.
    
    Material Change Report, dated March 5, 2007.23.
    
    Material Change Report, dated February 14, 2007.24.
    
    Material Change Report, dated February 1, 2007.25.
    
    Material Change Report, dated April 3, 2006.26.
    
    Press Release, dated June 7, 2007, concerning an update of the Paciência project.27.
    
    Press Release, dated May 16, 2007, concerning Shareholders approval of all proposals at the
2007 Annual Meeting of the Shareholders.28.
    
    Press Release, dated May 9, 2007, concerning the highlights of first quarter 2007 financial
and operational results.29.
    
    Press Release, dated April 30, 2007, concerning conference call to discuss first quarter 2007
financial and operational results.30.
    
    Press Release, dated April 27, 2007, concerning the development of the Caeté gold project.31.
    
    Press Release, dated April 11, 2007, concerning the analyst meeting and tour of mining
properties and processing facilities.32.
    
    Press Release, dated April 2, 2007, concerning the completion of the early warrant exercise
program.33.
    
    Press Release, corrected, dated March 26, 2007, concerning financial and operational results
for the period ended December 31, 2006.34.
    
    Press Release, dated March 22, 2007, concerning the closing of the CDN $86,250,000 private
placement of units.35.
    
    Press Release, dated March 21, 2007, concerning conference call to announce fourth quarter
and fiscal year 2006 financial and operating results.36.
    
    Press Release, dated March 12, 2007, concerning the pricing of the CDN $75,000,000 private
placement of units.37.
    
    Press Release, dated March 12, 2007, concerning the announcement of a joint venture with
Xstrata to explore the Pedra Branca Gold Project in Northern Brazil.38.
    
    Press Release, dated February 28, 2007, concerning the announcement of the early exercise
period for the early exercise of listed warrants.39.
    
    Press Release, dated February 27, 2007, concerning the announcement of the CDN $75,000,000
private placement of units.40.
    
    Press Release, dated February 27, 2007, concerning shareholder approval of the early exercise
of listed purchase warrants.41.
    
    Press Release, dated February 23, 2007, concerning completion of pre-feasibility study.42.
    
    Press Release, dated February 7, 2007, concerning the clarification of U.S. accredited
investor status for the early warrant exercise program.




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##### Table of Contents



Document No.43.
    
    Press Release, dated February 5, 2007, concerning the announcement of an early exercise of
warrants to raise development capital.44.
    
    Press Release, dated February 1, 2007, concerning shareholder rights plan.45.
    
    Press Release, dated January 18, 2007, concerning the first gold pour at Turmalina mine and
processing facilities near Belo Horizonte in the state of Minas Gerais, Brazil.46.
    
    Press Release, dated November 15, 2006, concerning financial and operational results for the
third quarter ended September 30, 2006.47.
    
    Press Release, dated November 15, 2006, concerning commissioning of the Turmalina mine and
processing facilities.48.
    
    Press Release, dated November 10, 2006, concerning conference call to discuss third quarter
2006 financial and operational results.49.
    
    Press Release, dated October 16, 2006, concerning results from Phases I and II of the
Paciência Gold Project Feasibility Study.50.
    
    Press Release, dated September 29, 2006, concerning results from Phase I of the exploration
program of the Satinoco Zone at the Turmalina mine and processing facilities.51.
    
    Press Release, dated August 23, 2006, concerning announcement of proposed normal course
issuer bid and departure of Robert Jackson, Executive Vice President of Corporate Development.52.
    
    Press Release, dated August 15, 2006, concerning financial and operational results for the
second quarter ended June 30, 2006.53.
    
    Press Release, dated August 1, 2006, concerning results from Phase III of the Turmalina Gold
Project Technical Report.54.
    
    Press Release, dated June 8, 2006, concerning completion of Phase III of the Turmalina Gold
Project drilling program.55.
    
    Press Release, dated May 12, 2006, concerning financial and operational results for the first
quarter ended March 31, 2006.56.
    
    Press Release, dated April 24, 2006, concerning announcement of strike of high-grade gold
intercepts at the Turmalina mine.57.
    
    Press Release, dated March 31, 2006, concerning financial and operational results for the
year and quarter ended December 31, 2005.58.
    
    Press Release, dated March 27, 2006, concerning closing of equity offering.59.
    
    Press Release, dated March 21, 2006, concerning the closing of the CDN $53,025,000 offering
of common shares.60.
    
    Press Release, dated March 17, 2006, concerning completion of Phase II of the Turmalina Gold
Project drilling program.61.
    
    Press Release, dated March 3, 2006, concerning announcement of increase in size of bought
deal financing to CDN $53,025,000.62.
    
    Press Release, dated March 3, 2006, concerning announcement of bought deal financing of CDN
$45,003,000.63.
    
    Press Release, dated February 20, 2006, concerning fiscal 2007 target production capacity.64.
    
    Press Release, dated February 15, 2006, concerning results from on-going exploration at
Turmalina mine.65.
    
    Press Release, dated February 1, 2006, concerning commissioning of new gold oxide heap leach
and recovery plant at Sabará.66.
    
    Press Release, dated January 19, 2006, concerning announcement of optioning of seven
properties from Companhia Vale do Rio Doce in the Sabará region.67.
    
    Press Release, dated January 5, 2006, concerning commencement of construction of the
Turmalina mine.68.
    
    Management Information Circular as at April 12, 2007.69.
    
    Management Information Circular as at February 7, 2007.70.
    
    Management Information Circular as at April 7, 2006.71.
    
    Paciência Gold Project Pre-Feasibility Study by TechnoMine Services, LLC, dated March 30,
2007.72.
    
    Turmalina Gold Project Technical Report by Scott Wilson Roscoe Postle Associates Inc. dated,
July 31, 2006.73.
    
    Turmalina Gold Project Technical Report by Roscoe Postle Associates Inc. dated, March 14,
2006.74.
    
    Sabará Gold Project Technical Report by Roscoe Postle Associates Inc. dated, February 17,
2006.




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A. OFF-BALANCE SHEET ARRANGEMENTS
  B. TABULAR DISCLOSURE OF CONTRACTUAL OBLIGATIONS
  Payments due in $ 000sContractual Obligations
    
    
    2007
    
    
    2008
    
    
    2009+
    
    
    2010+
    
    
    TotalProperty AcquisitionsTurmalina
    
    
    
    372
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    372Purchase Commitments
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    Financing
    
    
    
    5,274
    
    
    
    6,151
    
    
    
    4,399
    
    
    
    
    
    
    
    15,824Management Agreements1Operations
    
    
    
    744
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    744Suppliers AgreementsMine Operations2
    
    
    
    595
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    595Drilling3
    
    
    
    324
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    324Asset Retirement Obligations
    
    
    
    289
    
    
    
    53
    
    
    
    
    
    
    
    1,882
    
    
    
    2,224Consulting4
    
    
    
    172
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    172Total
    
    
    
    7,770
    
    
    
    6,204
    
    
    
    4,399
    
    
    
    1,882
    
    
    
    20,255
 
 1
    
    The management agreement is renegotiated on an annual basis. See note 14(a)
to the Audited Financial Statements for the years ended December 31, 2006 and December 31,
2005, attached hereto as Document 3.2
    
    Jaguar has the right to cancel the mine operations contract with 90 days
advance notice. The amount included in the contractual obligations table represents the
amount due within 90 days.3
    
    Jaguar has the right to cancel the drilling contract with 30 days advance
notice. The amount included in the contractual obligations table represents the amount due
within 30 days.4
    
    See note 18(b) to the Audited Financial Statements for the years ended
December 31, 2006 and December 31, 2005, attached hereto as Document 3.




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UNDERTAKING AND CONSENT TO SERVICE OF PROCESS
 A. Undertaking
  B. Consent to Service of Process
  
 EXHIBITS
  Exhibit No.
    
    Title23.1*
    
    Consent of TechnoMine Services, LLC.23.2*
    
    Consent of Wayne W. Valliant of Scott Wilson Roscoe Postle Associates Inc.23.3*
    
    Consent of Graham G. Clow of Scott Wilson Roscoe Postle Associates Inc.23.4
    
    Consent of KPMG LLP.99.1*
    
    Audited schedule of reconciliation
of Canadian generally accepted principles, to principles generally
accepted in the United States for the years ended December 31,
2005 and 2006 together with the auditors report thereon and
the notes thereto, reconciled to U.S. GAAP in accordance with
Item 17 of Form 20-F.
 
 *
    
    Incorporated by reference into the Registration Statement on
Form 40-F of the Registrant, which was filed with the SEC on
June 18, 2007 (File No. 001-33548).




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##### Table of Contents



SIGNATURE
  JAGUAR MINING INC.June 29, 2007
    By:

/s/  DANIEL R. TITCOMBName:
    Daniel R. TitcombTitle:
    President and Chief Executive Officer




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##### Table of Contents



EXHIBIT INDEX
 Exhibit No.
    
    Title23.1*
    
    Consent of TechnoMine Services, LLC.23.2*
    
    Consent of Wayne W. Valliant of Scott Wilson Roscoe Postle Associates Inc.23.3*
    
    Consent of Graham G. Clow of Scott Wilson Roscoe Postle Associates Inc.23.4
    
    Consent of KPMG LLP.99.1*
    
    Audited schedule of reconciliation
of Canadian generally accepted principles, to principles generally
accepted in the United States for the years ended December
31, 2004, 2005 and 2006 together with the auditors
report thereon and the notes thereto, reconciled to U.S.
GAAP in accordance with Item 17 of Form 20-F.
 
 *
    
    Incorporated by reference into the Registration Statement on
Form 40-F of the Registrant, which was filed with the SEC on
June 18, 2007 (File No. 001-33548).