X0306 4 2013-09-23 0 0001326801 Facebook Inc FB 0001160077 Andreessen Marc L C/O ANDREESSEN HOROWITZ 2865 SAND HILL RD., STE. 101 MENLO PARK CA 94025 1 0 0 0 Class A Common Stock 2013-09-23 4 J 0 318 0.00 A 3236308 I By The Andreessen 1996 Living Trust Class A Common Stock 2013-09-24 4 J 0 194 0.00 A 34278 I By The Andreessen 1996 Charitable Remainder Unitrust Class A Common Stock 3571431 I By Andreessen Horowitz Fund II, L.P. as nominee The shares reported on this Form 4 represent a pro rata distribution, and not a purchase or sale, of the shares by Benchmark Founders' Fund VI, L.P. to its partners without consideration. The reporting person and JP Morgan Trust Company, NA are the Trustees of The Andreessen 1996 Living Trust. The shares reported on this Form 4 represent a pro rata distribution, and not a purchase or sale, of the shares by Greylock XIII-A Limited Partnership to its limited and general partners without consideration. The reporting person and JP Morgan Trust Company, NA are the Trustees of The Andreessen 1996 Charitable Remainder Unitrust. The reporting person disclaims beneficial ownership over such securities except to the extent of his pecuniary interest therein. The inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes. The reporting person is one of the Managing Members of AH Equity Partners II, L.L.C., which is the General Partner of Andreessen Horowitz Fund II, L.P. as nominee ("AH Fund II"), and may be deemed to share voting and investment power over the securities held by AH Fund II. The reporting person disclaims beneficial ownership over such securities except to the extent of his pecuniary interest therein. The inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes. /s/ Michael Johnson as attorney-in-fact for Marc L. Andreessen 2013-09-25