X0206 3 2013-10-21 0 0001418862 Kior Inc KIOR, INC. 0001580115 Gates Ventures, LLC 2365 CARILLON POINT KIRKLAND WA 98033 0 0 1 0 0000902012 GATES WILLIAM H III 2365 CARILLON POINT KIRKLAND WA 98033 0 0 1 0 Class A Common Stock 3236106 D Option Right (Right to Buy) 2.897 2013-10-21 Class A Common Stock 2588885 D The option right is exercisable at any time (so long as Gates Ventures, LLC ("GV") owns at least 647,222 shares of Class A Common Stock, representing 20% of the shares reported on Table I) prior to the earlier of (i) the closing of the second tranche purchase of shares of the Issuer's Class A Common Stock pursuant to the Class A Common Stock Purchase Agreement, dated as of October 18, 2013, between GV and the Issuer (a copy of which was previously filed as Exhibit 99.4 to the Issuer's Current Report on Form 8-K, filed with the SEC on October 21, 2013) and (ii) July 1, 2014. The number of shares of Class A Common Stock that GV has the right to purchase under the option right and the exercise price for such shares is not fixed. The exercise price for the shares under the option right will equal 75% of the average of the daily volume weighted average price of the Class A Common Stock for the twenty (20) trading days prior to the date GV provides notice of exercise of the option right (the "Exercise Price"), provided that in no event will the Exercise Price exceed the conversion price applicable to the Senior Secured Mandatorily Convertible Notes due 2020 issued by the Issuer on October 21, 2013, which conversion price is currently $2.897 (subject to certain anti-dilution adjustments, including to account for dilutive issuances of additional shares of Common Class A Common Stock). The number of shares of Class A Common Stock that may be purchased pursuant to the option right will equal $7.5 million divided by the Exercise Price. Exhibit List: Exhibit 24.1 - Power of Attorney (Gates Ventures, LLC) Exhibit 24.2 - Power of Attorney (William H. Gates III) Gates Ventures, LLC: /s/ Alan Heuberger, Attorney-in-fact for Michael Larson, Manager 2013-10-31 /s/ Alan Heuberger, Attorney-in-fact for William H. Gates III 2013-10-31