Exhibit 11.1 MYRIAD GENETICS, INC. STATEMENT REGARDING COMPUTATION OF NET LOSS PER SHARE Three Months Ended September 30, 1998 September 30, 1997 ------------------ ------------------ Net loss ($2,702,502) ($1,795,801) Basic and diluted weighted average common shares outstanding 9,342,942 9,237,843 ------------------ ------------------ Net loss per share ($0.29) ($0.19) ================== ==================