X0306 4 2013-02-26 0 0001223862 INFOBLOX INC BLOX 0001121354 MARSHALL FRANK C/O INFOBLOX INC. 4750 PATRICK HENRY DR SANTA CLARA CA 95054 1 0 0 0 Common Stock 2013-02-26 4 J 0 1538 A 1538 I By Timark LP Common Stock 2013-02-27 4 J 0 1538 A 3076 I By Timark LP Represents the receipt of shares of Common Stock of the Issuer by virtue of the pro rata in-kind distributions as follows: (i) 65 shares from Sequoia Capital Entrepreneurs Annex Fund, LP; (ii) 432 shares from Sequoia Capital Franchise Partners, LP; and (iii) 1,041 shares from Sequoia Technology Partners X, LP. Represents a pro rata in-kind distribution of Common Stock of the Issuer to partners or members and includes subsequent distributions by general partners or managing members to their respective partners or members. The reporting person is the general partner of this Family Limited Partnership. Frank Marshall, by Robert Horton, his Attorney-in-Fact 2013-02-28