Exhibit 99.20

Kinross Gold Corporation Great Bear Gold Project Ontario, Canada NI 43-101 Technical Report

Kevin van Warmerdam

I, Kevin van Warmerdam, P.Eng., as an author of this report entitled “Great Bear Gold Project Ontario, Canada - Voluntary National Instrument 43-101 Technical Report” with an effective date of September 1, 2024, prepared for Kinross Gold Corporation, do hereby certify that:

1) I am Senior Director, Engineering with Kinross Gold Corporation, of 25 York Street, 17th Floor, Toronto, Ontario, M5J 2V5.

2) I am a graduate of Queen’s University, Kingston, Ontario in 2008 with a B.A.Sc. degree in Mechanical Engineering. I am a graduate of the Schulich School of Business, Toronto, Ontario in 2016 with an MBA.

3) I am registered as a Professional Engineer in the Province of Ontario (Reg.# 100133956). I have worked as an engineer for a total of 16 years since my graduation. My relevant experience for the purpose of the Technical Report is:

· My work experience has included involvement in and leadership of many gold projects ranging from early-stage studies to detailed execution including detailed design, construction, commissioning, and ramp-up.

· I have developed and owned detailed financial models for gold project valuations as well as led or peer reviewed project economic analysis work by others.

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 Great Bear Project on July 24 to 25, 2024.

6) I am responsible for Sections 18.1 Roads, 18.2 Utilities, 18.3 Fuel Facilities, 18.4 Buildings (except paste backfill plant), 21 (plant, site infrastructure, G&A, sustaining capital costs), 22, and related disclosure in Sections 1, 25, 26, and 27 of the Technical Report.

7) I am not independent of the Issuer applying the test set out in Section 1.5 of NI 43-101.

8) I have had prior involvement with the property that is the subject of the Technical Report.

9) I have read NI 43-101, and the Technical Report has been prepared in compliance with NI 43-101 and Form 43-101F1.

Kinross Gold Corporation Great Bear Gold Project Ontario, Canada NI 43-101 Technical Report

10) At the effective date of the Technical Report, to the best of my knowledge, information, and belief, the sections of the Technical Report for which I am responsible contains all scientific and technical information that is required to be disclosed to make the Technical Report not misleading.

Dated this 10^th day of September, 2024

(Signed and Sealed) Kevin van Warmerdam

Kevin van Warmerdam, P.Eng,