EBV proposes to structure the investment as 5 million shares

EBV proposes to structure the investment as 5 million shares of convertible preferred stock.the founders of new co who will continue with the firm currently hold 10 million shares of common stock. Thus following the series a investment new co will have 10 million common shares outstanding and would have 15 million outstanding upon conversion of CP . EBV estimates a 30 percent probability for a successful exit with an expected exit time in five years. What is your investment recommendation