CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS As independent public accountants, we hereby consent to the incorporation of our report included in this Form 10-K, into the Company's previously filed Registration Statement File Nos. 333-67371, 333-85753, 333-79385, 333-34488, 333-36872, 333-39678, 333-39676 and 333-39674. /s/ ARTHUR ANDERSEN LLP ARTHUR ANDERSEN LLP Salt Lake City, Utah December 13, 2000