World Copper Ltd. — Regulatory Filings 2021

Oct 6, 2021

World Copper Ltd. Escalones Project

NI 43-101 Technical Report Certificates of Author

CERTIFICATE OF QUALIFIED PERSONS

I, Jennifer J. Brown, P.G., do hereby certify that:

1. I am currently employed as Principal Geologist by:

Hard Rock Consulting, LLC

7114 W. Jefferson Ave., Ste. 308

Lakewood, Colorado 80235 U.S.A.

1. I am a graduate of the University of Montana and received a Bachelor of Arts degree in Geology in 1996.

2. I am a:

   • Licensed Professional Geologist in the State of Wyoming (PG-3719)

   • Registered Professional Geologist in the State of Idaho (PGL-1414)

   • Registered Member in good standing of the Society for Mining, Metallurgy, and Exploration, Inc. (4168244RM)

3. I have worked as a geologist for over 24 years since graduation from the University of Montana, as an employee of various engineering and consulting firms and the U.S.D.A. Forest Service. I have more than 10 collective years of experience directly related to mining and or economic and saleable minerals exploration and resource development, including geotechnical exploration, geologic analysis and interpretation, resource evaluation, and technical reporting.

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 43101) and past relevant work experience, I fulfill the requirements to be a “qualified person” for the purposes of NI 43-101.

5. I was previously involved in the Project during preparation of the NI 43-101 Technical Reports filed in 2013 and 2020.

6. I am responsible for the preparation of the report titled “National Instrument 43-101 Technical Report: Mineral Resource Estimate for the Escalones Copper Project Santiago Metropolitan Region, Chile” dated October 6, 2021 with an effective date of August 15, 2021, with specific responsibility for Sections 1.1 through 1.2, 1.4, 2 through 6, 8 through 10, 23, 24 and 27 of this report.

7. As of the date of this certificate and as of the effective date of the Technical Report, to the best of my knowledge, information and belief, the Technical Report contains all scientific and technical information required to be disclosed to make the report not misleading.

8. I am independent of the issuer (World Copper Ltd.), and the property applying all of the tests in section 1.5 of NI 43-101 101 and in section 3.2(b) of Appendix 3F of the TSX Venture Exchange’s Corporate Finance Manual.

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. Dated this 6[th] day of October 2021

“Signed” Jennifer J. (J.J.) Brown

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Jennifer J. (J.J.) Brown, SME-RM Printed name of Qualified Person

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October 6, 2021

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