Pre-Existing Registration Rights Agreements

Pre-Existing Registration Rights Agreements. Means the following agreements: (i) the Investor's Rights Agreement dated as of July 17, 2007, by and among the Company, certain of its stockholders and additional investors party thereto; (ii) the Registration Rights Agreement, dated as of February 13, 2012, by and among R&R Acquisition VI, Inc. and each of the several purchasers party thereto; and (iii) the Warrant Agreement dated as of December 21, 2012, by and among the Company and Hercules Technology Growth Capital, Inc.