X0202 4 2007-10-25 0 0001357326 Riverbed Technology, Inc. RVBD 0001185068 SCHAEPE CHRISTOPHER J 2200 SAND HILL ROAD MENLO PARK CA 94025 1 0 1 0 0001366017 Venture Investors General Partner LLC 2200 SAND HILL ROAD MENLO PARK CA 94025 0 0 1 0 0001366018 Lightspeed Venture Partners Entrepreneur VI-A LP 2200 SAND HILL ROAD MENLO PARK CA 94025 0 0 1 0 0001366019 Lightspeed Venture Partners Entrepreneur VI LP 2200 SAND HILL ROAD MENLO PARK CA 94025 0 0 1 0 0001366020 Lightspeed Venture Partners VI Cayman LP 2200 SAND HILL ROAD MENLO PARK CA 94025 0 0 1 0 0001366021 Lightspeed Venture Partners VI-A LP 2200 SAND HILL ROAD MENLO PARK CA 94025 0 0 1 0 0001366022 Lightspeed Venture Partners VI LP 2200 SAND HILL ROAD MENLO PARK CA 94025 0 0 1 0 0001366051 Nieh Peter 2200 SAND HILL ROAD MENLO PARK CA 94025 0 0 1 0 0001366048 Eggers Barry 2200 SAND HILL ROAD MENLO PARK CA 94025 0 0 1 0 Common Stock 2007-10-25 4 J 0 111196 0 D 107188 D Common Stock 2007-10-25 4 J 0 15653 0 D 14121 D Common Stock 2007-10-25 4 J 0 274630 0 D 275969 D Common Stock 2007-10-25 4 J 0 3075555 0 D 3079642 D Common Stock 2007-10-25 4 J 0 22966 0 D 23080 D Common Stock 2007-10-25 4 J 0 49996 0 A 49996 I By VIGP Common Stock 2007-10-25 4 J 0 49996 0 D 0 I By VIGP Common Stock 2007-10-25 4 J 0 2279 0 A 102279 D Common Stock 2007-10-25 4 J 0 10515 0 A 128796 D Common Stock 2007-10-25 4 J 0 7010 0 A 118150 D Distribution to partners by limited partnership. Shares are held directly by Lightspeed Venture Partners Entrepreneur VI, L.P. Shares are held directly by Lightspeed Venture Partners Entrepreneur VI-A, L.P. Shares are held directly by Lightspeed Venture Partners VI Cayman, L.P. Shares are held directly by Lightspeed Venture Partners VI, L.P. Shares are held directly by Lightspeed Venture Partners VI-A, L.P. The general partner of the Lightspeed entities is Venture Investors General Partner L.L.C. ("VIGP") and the managing members of VIGP are Christopher J. Schaepe, Gill Cogan, Barry Eggers, Ravi Mhatre, Peter Nieh and Carl Showalter. Each of the managing members exercises shared voting and investment power over the shares held by the Lightspeed entities. Each managing member disclaims beneficial ownership of the shares held by the Lightspeed entities except to the extent of his pecuniary interest therein. VIGP received shares without additional consideration from Lightspeed Venture Partners Entrepreneur VI, L.P. (2,756 shares), Lightspeed Venture Partners Entrepreneur VI-A, L.P. (411 shares), Lightspeed Venture Partners VI Cayman, L.P. (6,273 shares), Lightspeed Venture Partners VI, L.P. (39,929 shares) and Lightspeed Venture Partners VI-A, L.P. (627 shares) in each case in distributions pursuant to partnership agreements. Shares received as a distribution by VIGP to reporting person and representing a portion of 49,996 shares held by VIGP following a distribution on October 25, 2007 from the Lightspeed entities. Shares are held directly by Barry Eggers. Shares are held directly by Christopher J. Schaepe. Shares are held directly Peter Nieh. Distribution by VIGP of the shares received without consideration from the Lightspeed entities. Excludes 324 shares transferred to Lightspeed Venture Partners VI, L.P., 14 shares transferred to Lightspeed Venture Partners VI-A, L.P. and 169 shares transferred to Lightspeed Venture Partners VI Cayman, L.P. Includes 169 shares received from Lightspeed Venture Partners Entrepreneur VI, L.P. Excludes 194 shares transferred to Lightspeed Venture Partners VI, L.P. Includes 194 shares received from Lightspeed Venture Partners Entrepreneur VI-A, L.P. and 324 shares received from Lightspeed Venture Partners Entrepreneur VI, L.P. Includes 14 shares received from Lightspeed Venture Partners Entrepreneur VI, L.P. Please see Exhibit 99.1 Joint Filer Information. /s/ Christopher J. Schaepe 2007-10-29 /s/ Christopher J. Schaepe, Member, Venture Investors General Partner L.L.C., on behalf of Lightspeed Venture Partners Entrepreneur VI, L.P. 2007-10-29 /s/ Christopher J. Schaepe, Member, Venture Investors General Partner L.L.C., on behalf of Lightspeed Venture Partners VI Cayman, LP. 2007-10-29 /s/ Christopher J. Schaepe, Member, Venture Investors General Partner L.L.C., on behalf of Lightspeed Venture Partners Entrepreneur VI-A, L.P. 2007-10-29 /s/ Christopher Schaepe, Member, Venture Investors General Partner L.L.C., on behalf of Lightspeed Venture Partners VI, L.P. 2007-10-29 /s/ Christopher Schaepe, Member, Venture Investors General Partner L.L.C., on behalf of Lightspeed Venture Partners VI-A, L.P. 2007-10-29 /s/ Christopher Schaepe, Member, on behalf of Venture Investors General Partner L.L.C. 2007-10-29 /s/ Peter Nieh 2007-10-29 /s/ Barry Eggers 2007-10-29