 CHICAGO--BUSINESS WIRE--Coeur Mining, Inc. Coeur or the Company NYSE: CDE today announced details of the expansion of its Rochester silver-gold mine in Nevada, reflecting significant reserve growth and the benefits of a larger-scale expansion project. An updated National Instrument 43-101 Technical Report will be filed on SEDAR at before the close of business today. Summary highlights include: After-tax NAV5 of 634 million and an expected internal rate of return of 31 