Minerals & Metals 2114-RPT-002 Revision Number 0 Capstone Mining Corp. Technical Report on the Santo Domingo Project, Chile 28 September 2011 Prepared by David Brimage, AusIMM CP Manager Process Ausenco Minerals and Metals - Vancouver David W. Rennie, P.Eng. Principal Geologist Roscoe Postle Associates Inc. John Nilsson, P.Eng. President Nilsson Mine Services Ltd Art Winkers, P.Eng. Principal Arthur H. Winckers & Associates Mineral Processing Consulting Inc. Michael Davies, P.Eng. Vice-President, Mining, and a Principal Geotechnical Engineer AMEC Environment & Infrastructure Date and Signature Page Project Name: Santo Domingo Project Title of Report: Santo Domingo Pre-Feasibility Study Technical Report Location: Region III, Chile Effective Date of Report: 28 September 2011 Completion Date of Report: 28 September 2011 ------ ORIGINALS SIGNED ------ “David Brimage” Date Signed: David Brimage, MAusIMM CP 28 September 2011 “David W. Rennie” Date Signed: David W. Rennie, P.Eng. 28 September 2011 “John Nilsson” Date Signed: John Nilsson, P.Eng. 28 September 2011 “Art Winckers” Date Signed: Art Wenckers, P. Eng. BC 28 September 2011 “Michael Davies” Date Signed: Michael Davies, P.Eng. 28 September 2011 2114-RPT-002 1-1 Rev: 0 Date: 28 September 2011 9999FM0105 – 1 CERTIFICATE OF AUTHOR David Brimage To accompany the report entitled, “Technical Report on the Santo Domingo Project, Chile” prepared for Capstone Mining Corp., and dated September 28, 2011 (“Technical Report”). I, David Brimage, MAusIMM CP, do hereby certify that: 1. I am Manager Process for Ausenco Solutions Canada Inc. 855 Homer Street, Vancouver, BC V6B 2W2, Canada. 2. I graduated with a degree in Metallurgical Engineering (Metallurgy) from the University of South Australia in 1993. 3. I am a Chartered Professional with the AusIMM. 4. I have worked as a Metallurgist continuously since my graduation from University. For the past 15 years I have been employed with Ausenco Minerals and Metals. During this period I have fulfilled roles as senior process engineer, principal process engineer, engineering manager, and am currently employed as Manager Process. 5. I have read the definition of “qualified person” set out in National Instrument 43-101 (“NI 43-101) and certify that by reason of education, affiliation with a professional association (as defined in NI 43-101) and past relevant work experience, I fulfil the requirements to be a “qualified person” for the purpose of this NI 43-101. 6. I have participated in the preparation of Sections 1, 2, 3, 4, 5, 17, 18, 19, 20, 21, 22, 23, 24 (except 24.1), 25, 26, 27 of this technical report. 7. I have had no prior involvement with the property or project. I visited the property during February 8 to10, 2011. 8. Neither I, nor any affiliated entity of mine, is at present, under an agreement, arrangement or understanding or expects to become, an insider, associate, affiliated entity or employee of and Capstone Mining Corp., or any associated or affiliated entities. 9. Neither I, nor any affiliated entity of mine, own, directly or indirectly, nor expect to receive, any interest in the properties or securities of Capstone Mining Corp., or any associated or affiliated companies. 10. Neither I, nor any affiliated entity of mine, have earned the majority of our income during the preceding three years from Capstone Mining Corp., or any associated or affiliated companies. 11. I am independent of the Issuer applying the test set out in Section 1.5 of NI 43-101. 12. I have read National Instrument 43-101 and Form 43-101F1, and confirm that the Technical Report has been prepared in compliance with that instrument and form. 13. To the best of my knowledge, information and belief, this technical report contains all the scientific and technical information that is required to be disclosed to make this technical report not misleading. Dated this 28th day of September, 2011 – Original Signed – “D.J. Brimage” David John Brimage, MAusIMM CP. 2114-RPT-002 1-2 Rev: 0 Date: 28 September 2011 9999FM0105 – 1 CERTIFICATE OF AUTHOR David W Rennie I, David W. Rennie, P.Eng., as an author of this report entitled “Technical Report on the Santo Domingo Property, Chile”, prepared for Capstone Mining Corp., and dated September 28, 2011, do hereby certify that: 1. I am a Principal Geologist with Roscoe Postle Associates Inc. of Suite 388, 1130 West Pender St., Vancouver, BC, V6E 4A4. 2. I am a graduate of the University of British Columbia, Vancouver, BC, Canada, in 1979 with a Bachelor of Applied Science degree in Geological Engineering. 3. I am registered as a Professional Engineer in the Province of British Columbia (Reg.# 13572). I have worked as a Geological Engineer for a total of 32 years since my graduation. My relevant experience for the purpose of the Technical Report is: • Review and report as a consultant on numerous mining operations and projects around the world for due diligence and regulatory requirements. • Pre-Feasibility and Feasibility Study work on several projects. • Worked as a Geological Engineer at several mines and exploration projects in a number of countries 4. I have read the definition of "qualified person" set out in National Instrument 43-101 (NI 43-101) and certify that by reason of my education, affiliation with a professional association (as defined in NI 43-101) and past relevant work experience, I fulfill the requirements to be a "qualified person" for the purposes of NI 43-101. 5. I visited the Santo Domingo Property on June 14–16, 2010. 6. I am responsible for Sections 6 to 12, inclusive and Section 14 of the Technical Report. 7. I am independent of the Issuer applying the test set out in Section 1.5 of NI 43-101. 8. I prepared previous Mineral Resource estimates and Technical Reports on the Project in 2007 and 2010. 9. I have read NI 43-101, and the Technical Report has been prepared in compliance with NI 43-101 and Form 43-101F1. 10. To the best of my knowledge, information, and belief, the Technical Report contains all scientific and technical information that is required to be disclosed to make the Technical Report not misleading. Dated this 28th day of September, 2011 – Original Signed – “David W. Rennie” David W. Rennie, P.Eng. 2114-RPT-002 1-3 Rev: 0 Date: 28 September 2011 9999FM0105 – 1 CERTIFICATE OF AUTHOR John Nilsson To accompany the report entitled, “Technical Report on the Santo Domingo Project, Chile” prepared for Capstone Mining Corp., and dated September 28, 2011 (“Technical Report”). I, John Nilsson P.Eng. do hereby certify that: 1. I am President of Nilsson Mine Services Ltd. 20263 Mountain Place, Pitt Meadows, B.C., V3Y 2T9, Canada 2. This certificate applies to the Technical Report entitled "Technical Report on the Santo Domingo Project, Chile”, dated September 28, 2011 3. I graduated with a Bachelors degree in Geology from the Queen’s University in 1977. In addition, I obtained a Masters degree in Mining Engineering from the Queen’s University in 1990. 4. I am a member of the Association of Profession Engineers of British Columbia. I have worked as a geologist and mining engineer for a total of 33 years since my graduation from university. I have read the definition of “qualified person” set out in National Instrument 43-101 (“NI 43-101”) and certify that by reason of my education, past relevant work experience and affiliation with a professional association to be a “qualified person” for the purposes of NI 43-101. 5. I have visited the property on June 28 and June 29, 2011. 6. I am independent of the issuer applying all of the tests in Section 1.5 of NI 43-101 7. I have had no prior involvement with the property that is the subject of the Technical Report. 8. I have participated in the preparation of Sections 15, 16.3 and 16.4. 9. I have read National Instrument 43-101 and Form 43-101F1, and the Technical Report has been prepared in compliance with that instrument and form. 10. As of the date of this certificate, to the best of my knowledge, information and belief, the Technical Report contains all scientific information that is required to be disclosed to make the report not misleading 11. I consent to the filing of the Technical Report with any stock exchange and other regulatory authority and any publication by them, including electronic publication in the public company files on their websites accessible by the public, of the Technical Report. Dated this 28th Day of September, 2011. – Original Signed – “John Nilsson” John Nilsson, P.Eng. 2114-RPT-002 1-4 Rev: 0 Date: 28 September 2011 9999FM0105 – 1 CERTIFICATE OF AUTHOR Art Winckers To accompany the report entitled, “Technical Report on the Santo Domingo Project, Chile” prepared for Capstone Mining Corp., and dated September 28, 2011 (“Technical Report”). I, Arthur H. Winckers, P. Eng. BC. FEC do hereby certify that: 1. I am the Principal of Arthur H. Winckers & Associates Mineral Processing Consulting Inc. located at 4345 Raeburn Street North Vancouver BC V7G 1K1 Canada. 2. I graduated with a degree in Mining Engineering from the Technical University of Delft in the Netherlands in 1965. 3. I am a Professional Engineer registered in the Province of British Columbia (Reg. # 8693) 4. I have worked as a Metallurgist for a total of 46 years since graduation from University. 5. I have read the definition of “qualified person” set out in National Instrument 43-101 (“NI 43-101) and certify that by reason of education, affiliation with a professional association (as defined in NI 43-101) and past relevant work experience, I fulfill the requirements to be a “qualified person” for the purpose of NI 43-101.