X0206 3 2014-04-15 0 0001432732 TriVascular Technologies, Inc. TRIV 0001383391 New Enterprise Associates 12, Limited Partnership 1954 GREENSPRING DRIVE SUITE 600 TIMONIUM MD 21093 0 0 1 0 0001383389 NEA 12 GP, LLC 1954 GREENSPRING DRIVE SUITE 600 TIMONIUM MD 21093 0 0 1 0 0001219855 BARRETT M JAMES 1954 GREENSPRING DRIVE SUITE 600 TIMONIUM MD 21093 0 0 1 0 0001005561 BARRIS PETER J 1954 GREENSPRING DRIVE SUITE 600 TIMONIUM MD 21093 0 0 1 0 0001277631 BASKETT FOREST 1954 GREENSPRING DRIVE SUITE 600 TIMONIUM MD 21093 0 0 1 0 0001235112 KERINS PATRICK J 1954 GREENSPRING DRIVE SUITE 600 TIMONIUM MD 21093 0 0 1 0 0001270521 KOLLURI KRISHNA KITTU 1954 GREENSPRING DRIVE SUITE 600 TIMONIUM MD 21093 0 0 1 0 0001237289 SANDELL SCOTT D 1954 GREENSPRING DRIVE SUITE 600 TIMONIUM MD 21093 0 0 1 0 0001383390 NEA Partners 12, Limited Partnership 1954 GREENSPRING DRIVE SUITE 600 TIMONIUM MD 21093 0 0 1 0 Series A Preferred Stock Common Stock 797208 D Series B Preferred Stock Common Stock 383249 D Series C Preferred Stock Common Stock 531758 D Series D Preferred Stock Common Stock 1236487 D Series E Preferred Stock Common Stock 411234 D Series D Preferred Warrants 15.8061 2019-02-02 Common Stock 55831 D Each share of Series A Preferred Stock and each share of Series B Preferred Stock is convertible into 0.03845959625192770 of a share of Common Stock without payment of further consideration and will automatically convert into 0.03845959625192770 of a share of Common Stock upon the closing of the Issuer's initial public offering without payment of further consideration. The number of securities reported in Table II is shown on a post-conversion basis. The shares have no expiration date. The shares are directly held by New Enterprise Associates 12, Limited Partnership ("NEA 12") and indirectly held by NEA Partners 12, Limited Partnership ("NEA Partners 12"), the sole general partner of NEA 12, NEA 12 GP, LLC ("NEA 12 GP"), the sole general partner of NEA Partners 12, and the individual managers of NEA 12 GP (NEA Partners 12, NEA 12 GP and the individual managers of NEA 12 GP together, the "NEA 12 Indirect Reporting Persons"). The individual managers of NEA 12 GP are M. James Barrett, Peter J. Barris, Forest Baskett, Ryan D. Drant, Patrick J. Kerins, Krishna "Kittu" Kolluri, and Scott D. Sandell. The NEA 12 Indirect Reporting Persons disclaim beneficial ownership within the meaning of Section 16 of the Securities Exchange Act of 1934, as amended, or otherwise of such portion of the NEA 12 shares in which the NEA 12 Indirect Reporting Persons have no pecuniary interest. Each share of Series C Preferred Stock is convertible into 0.03899558573514530 of a share of Common Stock without payment of further consideration and will automatically convert into 0.03899558573514530 of a share of Common Stock upon the closing of the Issuer's initial public offering without payment of further consideration. The number of securities reported in Table II is shown on a post-conversion basis. The shares have no expiration date. Each share of Series D Preferred Stock and each share of Series E Preferred Stock is convertible into 0.0246487552378605 of a share of Common Stock without payment of further consideration and will automatically convert into 0.02464875523786050 of a share of Common Stock upon the closing of the Issuer's initial public offering without payment of further consideration. The number of securities reported in Table II is shown on a post-conversion basis. The shares have no expiration date. Immediately. /s/ Sasha Keough, attorney-in-fact 2014-04-15