CONSENT of AUTHOR
| TO: | British Columbia Securities Commission |
| Alberta Securities Commission | |
| Saskatchewan Financial Services Commission | |
| Manitoba Securities Commission | |
| Ontario Securities Commission | |
| Autorité des marchés financiers | |
| New Brunswick Securities Commission | |
| Nova Scotia Securities Commission | |
| Prince Edward Island Securities Office | |
| Securities Commission of Newfoundland and Labrador | |
| U.S. Securities and Exchange Commission | |
| TSX Toronto Stock Exchange |
Dears Sirs/Mesdames:
I, William J. Lewis, BSc, P. Geo., do hereby consent to the public filing of the technical report titled“Technical Report on the Audit of the Mineral Resource Estimate for the Guadalupe y Calvo Project, Chihuahua State, Mexico”and dated March 31, 2013 (the "Technical Report") prepared for Endeavour Silver Corp.
Dated this 27thday of June, 2013
“William J. Lewis” {signed and sealed}
___________________________
William J. Lewis, BSc, P. Geo.
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