AMENDMENT TO SECOND AMENDED AND RESTATED REGISTRATION RIGHTS AGREEMENT

AGREEMENT

NOW, THEREFORE, in consideration of the foregoing and other good and valuable consideration, the receipt and sufficiency of which are hereby acknowledged, the Company and the Investors, intending to be legally bound hereby, agree as follows:

1. Amendment. Section 1.2.2 of the Agreement is hereby amended in its entirety to read in its entirety as follows:

“Reduction. If a registration in which any Holder has the right or is otherwise permitted to participate pursuant to this Section 1.2 is (i) the QIPO, the Company may limit, to the extent so advised in writing by the underwriters, the amount of securities (including Registrable Securities) to be included in the registration by the Company’s stockholders (including the Holders), or may exclude, to the extent so advised in writing by the underwriters, such securities (including Registrable Securities) entirely from the QIPO, or (ii) an underwritten registration subsequent to the QIPO, and the managing underwriters advise the Company in writing that in their opinion the number of securities requested to be included in such registration exceeds the number which can be sold in such offering, the Company may limit the amount of securities (including Registrable Securities) to be included in such registration by the Company’s stockholders (including the Holders) as follows: (a) the amount of such shares that may be included in such registration pursuant to the forgoing provisions of this Section 1.2.2 will first be allocated pro rata among all of the Additional Holders, excluding Holders of Forced Conversion Common Stock, exercising piggyback registration rights pursuant to Section 1.2 in proportion to the number of shares of Registrable Securities owned by them, second be allocated pro rata among all of the Existing Holders, excluding Holders of Forced Conversion Common Stock, joining in the registration pursuant to Section 1.2 in proportion to the number of shares of Registrable Securities owned by them, third, be allocated pro rata among all Holders of Forced Conversion Common Stock exercising piggyback registration rights pursuant to Section 1.2 in proportion to the number of shares of Registrable Securities owned by them, and fourth to any other party seeking to participate in the offering; provided, however, that (a) no shares proposed to be included by an Additional Holder, excluding Holders of Forced Conversion Common Stock, shall be excluded if any shares proposed to be sold by Holders of Forced Conversion Common Stock or other stockholders who are not Additional Holders are included, (b) if all Registrable Securities proposed to be included by the Additional Holders, excluding Holders of Forced Conversion Common Stock, are included, no shares proposed to be included by an Existing Holder shall be excluded if any shares proposed to be sold by Holders of Forced Conversion Common Stock or other stockholders who are not Additional Holders or Existing Holders are included and (c) if all Registrable Securities proposed to be included by Additional Holders, excluding Holders of Forced Conversion Common Stock, and the Existing Holders are included, no shares proposed to be included by a Holder of Forced Conversion Common Stock shall be excluded if any shares proposed to be sold by other stockholders who are not Holders are included.”

2. Successors and Assigns. This Amendment shall be binding upon and shall inure to the benefit of all the successors and assigns, respectively, of each party to the Agreement.

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