SIGNATURES AND POWER OF ATTORNEY Pursuant to the requirements of the Securities Act of 1933, the Registrant certifies that it has reasonable grounds to believe that it meets all the requirements for filing on Form S-8 and has duly caused this Registration Statement to be signed on its behalf by the undersigned, thereunto duly authorized, in the City of Denver, State of Colorado on the 6th day of October, 1995. USMX, INC. By: /s/ James A. Knox James A. Knox, President KNOW ALL MEN BY THESE PRESENTS, that the undersigned officers and directors of the Registrant, by virtue of their signatures on this Registration Statement appearing below, hereby constitute and appoint James A. Knox and Donald E. Nilson, or either of them, with full power of substitution, as attorney in fact, in their names, place and stead, to execute any and all amendments to this Registration Statement in the capacity set forth opposite their names and hereby ratify all that said attorney in fact may do by virtue hereof. Pursuant to the requirements of the Securities Act of 1933, this Registration Statement has been signed below by the following persons in the capacities and on the dates indicated below. Signature Title Date /s/ James A. Knox President, Chief James A. Knox Executive Officer and Director October 6, 1995 /s/ Paul B. Valenti Vice President - Paul B. Valenti Operations October 13, 1995 /s/ Donald E. Nilson Vice President - Donald E. Nilson Finance, Chief Financial Officer and Secretary October 10, 1995 /s/ Thomas M. Smagala Treasurer October 10, 1995 Thomas M. Smagala /s/ Paul L. Blair Vice President - Paul L. Blair Operations for October 10, 1995 Latin America /s/ Dennis L. Lance Vice President - Dennis L. Lance Exploration October 10, 1995 /s/ George J. Allen Director October 6, 1995 George J. Allen /s/ Phillips S. Baker Director October 6, 1995 Phillips S. Baker /s/ Donald P. Bellum Director October 6, 1995 Donald P. Bellum /s/ Terry P. McNulty Director October 6, 1995 Terry P. McNulty /s/ Werner G. Nennecker Director October 16, 1995 Werner G. Nennecker /s/ Gregory Pusey Director October 10, 1995 Gregory Pusey /s/ Robert Scullion Director October 6, 1995 Robert Scullion