0001193125-08-220316 Sample Contracts

First Amendment to that certain Exploration, Development and Mine Operating Agreement dated February 21, 2008, between Emerald Mining & Leasing, LLC, Golden 8 Mining, LLC, and Rio Grande Silver, Inc.

Exploration, Development and Mine Operating Agreement • October 30th, 2008 • Hecla Mining Co/De/ • Mining & quarrying of nonmetallic minerals (no fuels)

• Contract Type
  Exploration, Development and Mine Operating Agreement
• Filed
  October 30th, 2008
• Company
  Hecla Mining Co/De/
• Industry
  Mining & quarrying of nonmetallic minerals (no fuels)

For good and valuable consideration, including (without limitation) the mutual promises and covenants contained herein, and effective as of October , 2008 (the “Amendment Effective Date”), Emerald Mining & Leasing, LLC (“EML”), Golden 8 Mining, LLC (“G8”), and Rio Grande Silver, Inc. (“RGS”) hereby agree to amend that certain Exploration, Development and Mine Operating Agreement dated February 21, 2008 (the “Original Agreement”), between them, as follows: