X0206 3 2014-06-24 0 0001328015 Imprivata Inc IMPR 0001013713 MAEDER PAUL A ONE BROADWAY, 16TH FLOOR CAMBRIDGE MA 02142 1 0 1 0 Series A Convertible Preferred Stock Common Stock 1558065 I By Highland Capital Partners VI Limited Partnership Series B Convertible Preferred Stock Common Stock 756401 I By Highland Capital Partners VI Limited Partnership Series C Convertible Preferred Stock Common Stock 480426 I By Highland Capital Partners VI Limited Partnership Series A Convertible Preferred Stock Common Stock 853699 I By Highland Capital Partners VI-B Limited Partnership Series B Convertible Preferred Stock Common Stock 414684 I By Highland Capital Partners VI-B Limited Partnership Series C Convertible Preferred Stock Common Stock 263385 I By Highland Capital Partners VI-B Limited Partnership Series A Convertible Preferred Stock Common Stock 77155 I By Highland Entrepreneurs? Fund VI Limited Partnership Series B Convertible Preferred Stock Common Stock 37465 I By Highland Entrepreneurs? Fund VI Limited Partnership Series C Convertible Preferred Stock Common Stock 23796 I By Highland Entrepreneurs? Fund VI Limited Partnership The Series A, B and C Convertible Preferred Stock is convertible at any time at the option of the holder, and will automatically convert into shares of Common Stock on a 1.5-for-1 basis upon the closing of the Issuer's initial public offering. The securities have no expiration date. The shares are held directly by Highland Capital Partners VI Limited Partnership ("Highland Capital VI"). Highland Management Partners VI Limited Partnership ("HMP") is the general partner of Highland Capital VI. Highland Management Partners VI, Inc.("Highland Management") is the general partner of HMP. The Reporting Person is one of the managing directors of Highland Management. Highland Management, as the general partner of the general partner of Highland Capital VI, may be deemed to have indirect beneficial ownership of the shares held by the Highland Capital VI. The Reporting Person may be deemed the indirect owner of all the shares held by the Highland Capital VI. The Reporting Person disclaims beneficial ownership of such securities, except to the extent of his pecuniary interest therein. This report shall not be deemed to be an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 or for any other purpose. The shares are held directly by Highland Capital Partners VI-B Limited Partnership ("Highland Capital VI-B"). Highland Management Partners VI Limited Partnership ("HMP") is the general partner of Highland Capital VI-B. Highland Management Partners VI, Inc.("Highland Management") is the general partner of HMP. The Reporting Person is one of the managing directors of Highland Management. Highland Management, as the general partner of the general partners of the Highland Investing Entities, may be deemed to have beneficial ownership of the shares held by the Highland Capital VI-B. The Reporting Person may be deemed the indirect owner of all the shares held by the Highland Capital VI-B. The Reporting Person disclaims beneficial ownership of such securities, except to the extent of his pecuniary interest therein. This report shall not be deemed to be an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 or for any other purpose. The shares are held directly by Highland Entrepreneurs' Fund VI Limited Partnership ("Entrepreneurs' Fund"). HEF VI Limited Partnership ("HEF") is the general partner of Entrepreneurs' Fund. Highland Management Partners VI, Inc.("Highland Management" is the general partner of HEF). The Reporting Person is one of the managing directors of Highland Management. Highland Management, as the general partner of the general partners of the Entrepreneurs' Fund, may be deemed to have beneficial ownership of the shares held by the Entrepreneurs' Fund. The Reporting Person may be deemed the indirect owner of all the shares held by the Entrepreneurs' Fund. The Reporting Person disclaims beneficial ownership of such securities, except to the extent of his pecuniary interest therein. This report shall not be deemed to be an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 or for any other purpose. /s/ John Milton, Attorney-in-Fact 2014-06-24