X0303 4 2009-04-17 0 0001276591 HANSEN MEDICAL INC HNSN 0001296771 Freund John Gordon C/O SKYLINE VENTURE PARTNERS 525 UNIVERSITY AVENUE, SUITE 520 PALO ALTO CA 94301 1 0 0 0 Common Stock 2009-04-17 4 P 0 384616 1250002 A 2000936 I See Footnote The amount shown to represent the beneficial ownership of the Issuer's equity securities includes: (i) 9,343 shares of Common Stock held by Skyline Venture Partners III, L.P. and (ii) 375,273 shares of Common Stock held by Skyline Venture Partners Qualified Purchaser Fund III, L.P. Shares are held by Skyline Venture Partners III, L.P., Skyline Venture Partners Qualified Purchaser Fund III, L.P. and Skyline Expansion Fund, L.P. Skyline Venture Management III, LLC is the sole general partner of Skyline Venture Partners Qualified Purchaser Fund III, L.P and Skyline Venture Partners III, L.P. Skyline Venture Management III, LLC is also the managing member of Skyline Expansion Fund Management, LLC, which is the sole general partner of Skyline Expansion Fund, L.P. Reporting Person is a managing director of Skyline Venture Management III, LLC and, as such, the Reporting Person shares voting and investment power over the shares held by Skyline Venture Partners III, L.P., Skyline Venture Partners Qualified Purchaser Fund III, L.P. and Skyline Expansion Fund, L.P. and may be deemed to have indirect beneficial ownership of such shares. The Reporting Person disclaims beneficial ownership of these securities except to the extent of his proportionate pecuniary interest therein. John Gordon Freund 2009-04-21