EXHIBIT 11.1 MOTORVAC TECHNOLOGIES,INC. CALCULATION OF PROFORMA NET LOSS PER SHARE FOR THE THREE MONTHS ENDED MARCH 31, 1996 Proforma Net Loss: Net Loss (297,443) Proforma Reduction of Interest Expense 145,865 --------- Proforma Net Loss (151,578) ========= Proforma Weighted Average Outstanding Common and Common Equivalent Shares: Common Stock Outstanding, December 31, 1995 948,000 Common stock equivalents: Conversion of Series A Preferred Stock 966,247 Conversion of Series B Preferred Stock 570,150 Common Shares Issued in Initial Public Offering 1,100,000 Incremental Shares, assuming exercise of options granted after January 1, 1995 6,467 Conversion of $4,410,300 of Notes Payable to Related party 820,521 Shares Related to repayment of Interest 27,138 --------- Proforma Weighted Average Outstanding Common and Common Equivalent Shares 4,438,523 ========= Proforma Net Loss per Share -0.03 =========