X0306 4 2018-06-04 1 0001610532 Hortonworks, Inc. HDP 0001626464 Volpi Michelangelo C/O HORTONWORKS, INC. 5470 GREAT AMERICA PARKWAY SANTA CLARA CA 95054 1 0 0 0 Common Stock 2018-06-04 4 G 0 10838 0.00 D 9765 D Common Stock 1126749 I By Index Ventures V (Jersey), L.P. Common Stock 9128 I By Index Ventures V Parallel Entrepreneur Fund (Jersey), L.P. Common Stock 1042132 I By Index Ventures IV (Jersey), L.P. Common Stock 100332 I By Index Ventures IV Parallel Entrepreneur Fund (Jersey), L.P. Common Stock 23578 I Yucca (Jersey) SLP Common Stock 2019-01-03 4 U 0 9765 D 0 D Common Stock 2019-01-03 4 U 0 1126749 D 0 I By Index Ventures V (Jersey), L.P. Common Stock 2019-01-03 4 U 0 9128 D 0 I By Index Ventures V Parallel Entrepreneur Fund (Jersey), L.P. Common Stock 2019-01-03 4 U 0 1042132 D 0 I By Index Ventures IV (Jersey), L.P. Common Stock 2019-01-03 4 U 0 100332 D 0 I By Index Ventures IV Parallel Entrepreneur Fund (Jersey), L.P. Common Stock 2019-01-03 4 U 0 23578 D 0 I Yucca (Jersey) SLP The Reporting Person is a partner within the Index Ventures group. Advisors within the Index Ventures group provide advice to Index Ventures IV (Jersey), L.P., Index Ventures IV Parallel Entrepreneur Fund (Jersey), L.P., Index Ventures V (Jersey), L.P., Index Ventures V Parallel Entrepreneur Fund (Jersey), L.P. and Yucca (Jersey) SLP (the "Index Funds"). The Reporting Person is involved in making recommendations to the Index Funds, but does not hold voting or dispositive power over the shares held by the Index Funds. The Reporting Person disclaims beneficial ownership of these securities, except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for Section 16 or any other purpose. On January 3, 2019, pursuant to the Agreement and Plan of Merger and Reorganization, dated as of October 3, 2018, by and among Cloudera, Inc. ("Cloudera"), Issuer, and Surf Merger Corporation ("Merger Sub"), Merger Sub merged with and into the Issuer, with the Issuer surviving as a direct wholly-owned subsidiary of Cloudera (the "Merger"). Pursuant to the Merger, the Issuer's stockholders received the right to receive 1.305 shares of common stock, par value $0.00005 per share, of Cloudera (the "Merger Consideration") for each share of the Issuer's stock that they own. (Continued from Footnote 2) Pursuant to the Merger, the Reporting Person disposed of all shares of Issuer common stock beneficially owned by it, including the 9,765 shares that were held directly by the Reporting Person, the 1,126,749 shares that were held directly by Index Ventures V (Jersey), L.P., the 9,128 shares that were held directly by Index Ventures V Parallel Entrepreneur Fund (Jersey), L.P., the 1,042,132 shares that were held directly by Index Ventures IV (Jersey), L.P., the 100,332 shares that were held directly by Index Ventures IV Parallel Entrepreneur Fund (Jersey), L.P., and the 23,578 shares that were held directly by Yucca (Jersey) SLP, and received the Merger Consideration for each share of Issuer common stock. /s/ David Howard, Attorney-in-Fact for Michelangelo Volpi 2019-01-03