Exhibit 99.3 MANGOSOFT, INC. AND SUBSIDIARY (A DEVELOPMENT STAGE COMPANY) UNAUDITED PRO FORMA CONDENSED COMBINED INCOME STATEMENT INFORMATION FOR THE SIX MONTHS ENDED JUNE 30, 1999 MangoSoft, MangoSoft Pro Forma Pro Forma Inc. Corporation Adjustments Combined ---- ----------- ----------- -------- Revenues $ -- $ 7,991 $ -- $ 7,991 Cost of revenues -- 363 -- 363 -------- ----------- ---------- ----------- Gross margin -- 7,628 -- 7,628 Costs and expenses: Research and development -- 2,097,751 -- 2,097,751 Selling and marketing -- 59,625 -- 59,625 General and administrative 638 1,319,479 (100) A 1,320,017 Consulting fees to related parties -- 19,603 -- 19,603 -------- ----------- ---------- ----------- Total costs and expenses 638 3,496,458 (100) 3,496,996 Loss from operations (638) (3,488,830) (100) (3,489,368) Interest income -- 3,271 -- 3,271 Interest expense: Related parties -- (166,109) 166,109 B -- Other parties -- (76,833) 65,731 B (11,102) -------- ----------- ---------- ----------- Total interest expense -- (242,942) 166,109 (11,102) Other expense, net -- (715) -- (715) -------- ----------- ---------- ----------- Net loss (income) (638) (3,729,216) 166,209 (3,497,914) Accretion of redeemable preferred stock -- (1,413,692) 1,413,692 C -- -------- ----------- ---------- ----------- Net loss applicable to common stockholders $ (638) $(5,142,908) $1,579,901 $(3,497,914) ======== =========== ========== =========== Net loss per common share - basic and diluted $ (0.00) $ (6.76) $ (0.19) ======== =========== =========== Weighted average shares outstanding - basic and diluted 908,300 761,250 18,883,998 ======== =========== =========== NOTES TO THE JUNE 30, 1999 UNAUDITED PRO FORMA CONDENSED COMBINED INCOME STATEMENTS A To eliminate MangoSoft, Inc.'s amortization of organizational costs. B To eliminate the interest expense as a result of the conversion of the 12% senior secured convertible notes into common stock at the time of the merger. C To eliminate the accretion of the redeemable convertible preferred stock, which were converted into common shares of MangoSoft, Inc. at the time of the merger.