Common use of Registration Under Securities Act of 1933, as amended Clause in Contracts

Registration Under Securities Act of 1933, as amended. The Company agrees that the Shares or, if the Shares are convertible into common stock of the Company, such common stock, shall have certain incidental, or “Piggyback,” registration rights pursuant to and as set forth in the Company’s Investor Rights Agreement or similar agreement. The provisions set forth in the Company’s Investors’ Right Agreement or similar agreement relating to the above in effect as of the Issue Date may not be amended, modified or waived without the prior written consent of Holder unless such amendment, modification or waiver affects the rights associated with the Shares in the same manner as such amendment, modification, or waiver affects the rights associated with all other shares of the same series and class as the Shares granted to the Holder.

Registration Under Securities Act of 1933, as amended. The Company agrees that the Shares or, if the Shares are convertible into common stock of the Company, such common stock, shall have certain incidental, or “Piggybackpiggyback,” registration rights pursuant to and as set forth in the Company’s Investor Rights Agreement or similar agreement. The provisions set forth in the Company’s Investors’ Right Agreement or similar agreement relating to the above in effect as of the Issue Date may not be amended, modified or waived without the prior written consent of Holder unless such amendment, modification or waiver affects the rights associated with the Shares in the same manner as such amendment, modification, or waiver affects the rights associated with all other shares of the same series and class as the Shares granted to the Holder.

Registration Under Securities Act of 1933, as amended. The Company agrees that the Shares or, if the Shares are convertible into common stock of the Company, such common stock, shall have certain incidental, or “Piggyback,piggyback” and S-3 registration rights pursuant to and as set forth in the Company’s Investor Rights Agreement or similar agreement. The provisions set forth in the Company’s Investors’ Right Agreement or similar agreement relating to the above in effect as of the Issue Date may not be amended, modified or waived without the prior written consent of Holder unless such amendment, modification or waiver affects the rights associated with the Shares in the same manner as such amendment, modification, or waiver affects the rights associated with all other shares of the same series and class as the Shares granted to the Holder.

Registration Under Securities Act of 1933, as amended. The Company agrees that the Shares or, if the Shares are convertible into common stock of the Company, such common stock, shall have certain incidental, or “Piggybackpiggyback,” registration rights pursuant to and as set forth in the Company’s Investor Investors’ Rights Agreement or similar agreement. The provisions set forth in the Company’s Investors’ Right Agreement or similar agreement relating to the above in effect as of the Issue Date may not be amended, modified or waived without the prior written consent of Holder unless such amendment, modification or waiver affects the rights associated with the Shares in the same manner as such amendment, modification, or waiver affects the rights associated with all other shares of the same series and class as the Shares granted to the Holder.

Registration Under Securities Act of 1933, as amended. The Company agrees that the Shares or, if the Shares are convertible into common stock of the Company, such common stock, shall have certain incidental, or “Piggyback,piggyback” and “S-3” registration rights pursuant to and as set forth in the Company’s Investor Rights Agreement or similar agreement. The provisions set forth in the Company’s Investors’ Right Agreement or similar agreement relating to the above in effect as of the Issue Date may not be amended, modified or waived without the prior written consent of Holder unless such amendment, modification or waiver affects the rights associated with the Shares in the same manner as such amendment, modification, or waiver affects the rights associated with all other shares of the same series and class as the Shares granted to the Holder.

Registration Under Securities Act of 1933, as amended. The Company agrees that the Shares or, if the Shares are convertible into common stock of the Company, such common stock, shall have certain any S-3 and incidental, or “Piggyback,” registration rights pursuant to and as set forth in the Company’s Investor Rights Agreement or similar agreement. The provisions set forth in the Company’s Investors’ Right Investor Rights Agreement or similar agreement relating to the above in effect as of the Issue Date may not be amended, modified or waived without the prior written consent of Holder unless such amendment, modification or waiver affects the rights associated with the Shares in the same manner as such amendment, modification, or waiver affects the rights associated with all other shares of the same series and class as the Shares granted to the Holder.

Registration Under Securities Act of 1933, as amended. The Company agrees that the Shares or, if the Shares are convertible into common stock of the Company, such common stock, shall have certain incidental, or “Piggyback,” registration rights pursuant to and as set forth in the Company’s Investor Rights Agreement or similar agreement. The provisions set forth in the Company’s Investors’ Investor Right Agreement or similar agreement relating to the above in effect as of the Issue Date may not be amended, modified or waived without the prior written consent of Holder unless such amendment, modification or waiver affects the rights associated with the Shares in the same manner as such amendment, modification, or waiver affects the rights associated with all other shares of the same series and class as the Shares granted to the Holder.

Registration Under Securities Act of 1933, as amended. The Company agrees that the Shares or, if the Shares are convertible into common stock of the Company, such common stock, shall have certain the same incidental, or “Piggyback,” and S-3 registration rights pursuant to and as that the holders of registrable securities have under the Company’s Investor Rights Agreement. The provisions set forth in the Company’s Investor Rights Agreement or similar agreement. The provisions set forth in the Company’s Investors’ Right Agreement or similar agreement relating to the above in effect as of the Issue Date may not be amended, modified or waived without the prior written consent of Holder unless such amendment, modification or waiver affects the rights associated with the Shares in the same manner as such amendment, modification, or waiver affects the rights associated with all other shares of the same series and class as the Shares granted to the Holderregistrable securities under such Agreement.

Registration Under Securities Act of 1933, as amended. The Company agrees that the Shares or, if the Shares are convertible into common stock of the Company, such common stock, shall have certain incidental, or “Piggyback,” and S-3 registration rights pursuant to and as set forth in the Company’s Investor Rights Agreement or similar agreement. The provisions set forth in the Company’s Investors’ Right Investor Rights Agreement or similar agreement relating to the above in effect as of the Issue Date may not be amended, modified or waived without the prior written consent of Holder unless such amendment, modification or waiver affects the rights associated with the Shares in the same manner as such amendment, modification, or waiver affects the rights associated with all other shares of the same series and class as the Shares granted to the Holder.

Registration Under Securities Act of 1933, as amended. The Company agrees that the Shares or, if the Shares are convertible into common stock of the Company, such common stock, shall have certain incidental, or “Piggyback,” and S-3 registration rights pursuant to and as set forth in the Company’s Investor Rights Agreement or similar agreement. The provisions set forth in the Company’s Investors’ Right Investor Rights Agreement or similar agreement relating to the above in effect as of the Issue Date may not be amended, modified or waived without the prior written consent of Holder unless such amendment, modification or waiver affects the rights associated with the Shares in the same manner as such amendment, modification, or waiver affects the rights associated with all other shares of the same series and class as the Shares granted to the HolderClass whose holders are parties thereto.

Registration Under Securities Act of 1933, as amended. The Company agrees that the Shares or, if the Shares are convertible into common stock of the Company, such common stock, shall have certain incidental, or “Piggybackpiggyback,” registration rights pursuant to and as set forth in the Company’s Investor Investors’ Rights Agreement or similar agreement. The provisions set forth in the Company’s Investors’ Right Agreement or similar agreement relating to the above in effect as of the Issue Date may not be amended, modified or waived without the prior written consent of Holder unless such amendment, modification or waiver affects the rights associated with the Shares in the same manner as such amendment, modification, or waiver affects the rights associated with all other shares of the same series and class as the Shares granted to the Holder.

Registration Under Securities Act of 1933, as amended. The Company agrees that the Shares or, if the Shares are convertible into common stock of the Company, such common stock, shall have certain incidental, or “Piggyback,” registration rights pursuant to and as set forth in the Company’s Amended and Restated Investor Rights Agreement dated February 21, 2006 (as amended from time to time, the “Investor Rights Agreement”) or similar agreement. The provisions set forth in the Company’s Investors’ Right Investor Rights Agreement or similar agreement relating to the above in effect as of the Issue Date may not be amended, modified or waived without the prior written consent of Holder unless such amendment, modification or waiver affects the rights associated with the Shares in the same manner as such amendment, modification, or waiver affects the rights associated with all other shares of the same series and class as the Shares granted to the Holder.

Registration Under Securities Act of 1933, as amended. The Company agrees that the Shares or, if the Shares are convertible into common stock of the Company, such common stock, shall have certain incidental, or “Piggyback,” be subject to the registration rights pursuant to and as set forth in the Company’s Investor Rights Agreement or similar agreement. The provisions set forth in the Company’s Investors’ Right Agreement or similar agreement relating to the above in effect as of the Issue Date may not be amended, modified or waived without the prior written consent of Holder unless such amendment, modification or waiver affects the rights associated with the Shares Holder in the same manner as such amendment, modification, or waiver affects the rights associated with they affect all other shares shareholders of the same series and class as the Shares of shares granted to the Holder.

Registration Under Securities Act of 1933, as amended. The Company agrees that the Shares or, if the Shares are convertible into common stock of the Company, such common stock, shall have certain incidental, or “Piggyback,piggyback” and “S-3” registration rights pursuant to and as set forth in the Company’s Amended and Restated Investor Rights Agreement or similar agreementdated September 19, 2008 (the “Rights Agreement”). The provisions set forth in the Company’s Investors’ Right Rights Agreement or similar agreement relating to the above in effect as of the Issue Date may not be amended, modified or waived without the prior written consent of Holder unless such amendment, modification or waiver affects the rights associated with the Shares in the same manner as such amendment, modification, or waiver affects the rights associated with all other shares of the same series and class as the Shares granted to the Holder.

Registration Under Securities Act of 1933, as amended. The Company agrees that the Shares or, if the Shares are convertible into common stock of the Company, such common stock, shall have certain incidental, or “Piggyback,piggyback” and Form S-3 registration rights pursuant to and as set forth in the Company’s Investor Rights Agreement or similar agreement. The provisions set forth in the Company’s Investors’ Right Agreement or similar agreement relating to the above in effect as of the Issue Date may not be amended, modified or waived without the prior written consent of Holder unless such amendment, modification or waiver affects the rights associated with the Shares in the same manner as such amendment, modification, or waiver affects the rights associated with all other shares of the same series and class as the Shares granted to the Holder.

Registration Under Securities Act of 1933, as amended. The Company agrees that the Shares or, if the Shares are convertible into common stock of the Company, such common stock, shall have certain incidental, or “Piggyback,piggyback” and “S-3” registration rights pursuant to and as set forth in the Company’s Amended and Restated Investor Rights Agreement or similar agreementdated August 1, 2011 (the “Rights Agreement”). The provisions set forth in the Company’s Investors’ Right Rights Agreement or similar agreement relating to the above in effect as of the Issue Date may not be amended, modified or waived without the prior written consent of Holder unless such amendment, modification or waiver affects the rights associated with the Shares in the same manner as such amendment, modification, or waiver affects the rights associated with all other shares of the same series and class as the Shares granted to the Holder.

Registration Under Securities Act of 1933, as amended. The Company agrees that the Shares or, if the Shares are convertible into common stock of the Company, such common stock, shall have certain incidental, or “Piggyback,” and S-3 registration rights pursuant to and as set forth in the Company’s Investor Rights Agreement or similar agreement. The provisions set forth in the Company’s Investors’ Right Investor Rights Agreement or similar agreement relating to the above in effect as of the Issue Date may not be amended, modified or waived without the prior written consent of Holder unless such amendment, modification or waiver affects the rights associated with the Shares in the same manner as such amendment, modification, or waiver affects the rights associated with all other shares of the same series and class as the Shares granted to the Holder.

Registration Under Securities Act of 1933, as amended. The Company agrees that the Shares or, if the Shares are convertible into shares of common stock of the Company, such common stock, shall Company issued or issuable in respect of the Shares will have certain incidental, or “Piggyback,piggyback” registration rights pursuant to and as set forth in the Company’s Investor Investors’ Rights Agreement or similar agreement(as amended from time to time, the “Investors’ Rights Agreement”). The provisions set forth in the Company’s Investors’ Right Rights Agreement or similar agreement relating to the above in effect as of the Issue Date may not be amended, modified or waived without the prior written consent of Holder unless such amendment, modification or waiver affects the rights associated with the Shares in the same manner as such amendment, modification, or waiver affects the rights associated with all other shares of the same series and class as the Shares granted to the Holderissuable upon exercise of this Warrant.

Registration Under Securities Act of 1933, as amended. The Company agrees that the Shares or, if the Shares are convertible into common stock of the Company, such common stock, shall have certain incidental, or “Piggyback,” registration rights pursuant to and as set forth in the Company’s Amended and Restated Investor Rights Agreement or similar agreementdated April 24, 2002, as amended. The provisions set forth in the Company’s Investors’ Right Agreement or similar agreement relating to the above therein in effect as of or about the Issue Date may not be amended, modified or waived without the prior written consent of Holder unless such amendment, modification or waiver affects the rights associated with the Shares in the same manner as such amendment, modification, or waiver affects the rights associated with all other shares of the same series and class as the Shares granted to the Holder.

Registration Under Securities Act of 1933, as amended. The Company agrees that the Shares or, if the Shares are convertible into common stock of the Company, such common stock, shall have certain incidental, or “Piggyback,piggyback” and S-3 registration rights pursuant to and as set forth in the Company’s Investor investor Rights Agreement or similar agreement. The provisions set forth in the Company’s Investors’ Right Agreement or similar agreement relating to the above in effect as of the Issue Date may not be amended, modified or waived without the prior written consent of Holder unless such amendment, modification or waiver affects the rights associated with the Shares in the same manner as such amendment, modification, or waiver affects the rights associated with all other shares of the same series and class as the Shares granted to the Holder.

Registration Under Securities Act of 1933, as amended. The Company agrees that the Shares or, if the Shares are convertible into common stock of the Company, such common stock, shall have certain incidental, or the incidental (“Piggyback,” ”) registration rights pursuant to and as the S-3 registration rights set forth in the Company’s Investor Rights Agreement or similar agreement. The provisions set forth in the Company’s Investors’ Right Agreement or similar agreement relating to the above in effect as of the Issue Date may not be amended, modified or waived without the prior written consent of Holder unless such amendment, modification or waiver affects the rights associated with the Shares in the same manner as such amendment, modification, or waiver affects the rights associated with all other shares of the same series and class as the Shares granted to the Holder.

Registration Under Securities Act of 1933, as amended. The Company agrees that the Shares or, if the Shares are convertible into common stock of the Company, such common stock, shall have certain incidental, or “Piggyback,” be subject to the registration rights pursuant to and as set forth in the Company’s Investor Rights Agreement or similar agreement. The provisions set forth in the Company’s Investors’ Right Rights Agreement or similar agreement relating to the above in effect as of the Issue Date may not be amended, modified or waived without the prior written consent of Holder unless such amendment, modification or waiver affects the rights associated with the Shares Holder in the same manner as such amendment, modification, or waiver affects the rights associated with they affect all other shares shareholders of the same series and class as the Shares of shares granted to the Holder.

Registration Under Securities Act of 1933, as amended. The Company agrees that the Shares or, if the Shares are convertible into common stock of the Company, such common stock, shall have certain incidental, or “"Piggyback,” " registration rights pursuant to and as set forth in the Company’s 's Investor Rights Agreement or similar agreement. The provisions set forth in the Company’s 's Investors’ ' Right Agreement or similar agreement relating to the above in effect as of the Issue Date may not be amended, modified or waived without the prior written consent of Holder unless such amendment, modification or waiver affects the rights associated with the Shares in the same manner as such amendment, modification, or waiver affects the rights associated with all other shares of the same series and class as the Shares granted to the Holder.

Registration Under Securities Act of 1933, as amended. The Company agrees that the Shares or, if the Shares are convertible into common stock of the Company, such common stock, shall have certain incidental, or “Piggyback,” be subject to the registration rights pursuant to and as set forth for the Shares in the Company’s Investor 's Investors' Rights Agreement or similar agreementdated as of April 14, 2000. The provisions set forth in the Company’s 's Investors’ Right ' Rights Agreement or similar agreement dated as of April 14, 2000 relating to the above in effect as of the Issue Date may not be amended, modified or waived without the prior written consent of Holder unless such amendment, modification or waiver affects the rights associated with the Shares Holder in the same manner as such amendment, modification, or waiver affects the rights associated with they affect all other shares such shareholders of the same series and class as the Shares granted to the HolderShares.

Registration Under Securities Act of 1933, as amended. The Company agrees that the Shares or, if the Shares are convertible into common stock of the Company, such common stock, shall have certain incidental, or “Piggyback,” registration rights pursuant to and as set forth in the Company’s Amended and Restated Investor Rights Agreement or similar agreementdated April 18, 2003. The provisions set forth in the Company’s Investors’ Right Agreement or similar agreement therein relating to the above in effect as of the Issue Date may not be amended, modified or waived without the prior written consent of Holder unless such amendment, modification or waiver affects the rights associated with the Shares in the same manner as such amendment, modification, or waiver affects the rights associated with all other shares of the same series and class as the Shares granted to the Holder.

Registration Under Securities Act of 1933, as amended. The Company agrees that the Shares or, if the Shares are convertible into common stock of the Company, such common stock, shall have certain incidental, or “Piggybackpiggyback,” registration rights pursuant to and as set forth in the Company’s Investor Rights Agreement or similar agreement. The provisions set forth in the Company’s Investors’ Right Agreement or similar agreement relating to the above in effect as of the Issue Date may not be amended, modified or waived without the prior written consent of Holder unless if such amendment, modification or waiver adversely and disproportionately affects the rights associated with the Shares in the same manner granted to Holder as such amendment, modification, or waiver affects compared to the rights associated with all the other shares of the same series and class as the Shares granted to the Holder.

Registration Under Securities Act of 1933, as amended. The Company agrees that the Shares or, if the Shares are convertible into common stock of the Company, such common stock, shall have certain incidental, or “Piggyback,” registration rights pursuant to and as set forth in the Company’s Investor Rights Agreement or similar agreementdated July 25, 2002. The provisions set forth in the Company’s Investors’ Right Agreement or similar agreement therein relating to the above in effect as of the Issue Date may not be amended, modified or waived without the prior written consent of Holder unless such amendment, modification or waiver affects the rights associated with the Shares in the same manner as such amendment, modification, or waiver affects the rights associated with all other shares of the same series and class as the Shares granted to the Holder.

Registration Under Securities Act of 1933, as amended. The Company agrees that the Shares or, if the Shares are convertible into common stock of the Company, such common stock, shall have certain incidental, or “Piggyback,” registration rights pursuant to and as set forth in the Company’s Amended and Restated Investor Rights Agreement or similar agreementdated April 2, 2002. The provisions set forth in the Company’s such Investors’ Right Agreement or similar agreement relating to the above in effect as of the Issue Date may not be amended, modified or waived without the prior written consent of Holder unless such amendment, modification or waiver affects the rights associated with the Shares in the same manner as such amendment, modification, or waiver affects the rights associated with all other shares of the same series and class as the Shares granted to the Holder.

Registration Under Securities Act of 1933, as amended. The Company agrees that the Shares or, if the Shares are convertible into common stock of the Company, such common stock, shall have certain incidental, or “Piggybackpiggyback,” registration rights pursuant to and as set forth in the Company’s Investor Rights Agreement or similar agreementStockholders Agreement. The provisions set forth in the Company’s Investors’ Right Stockholders Agreement or similar agreement relating to the above in effect as of the Issue Date may not be amended, modified or waived without the prior written consent of Holder unless such amendment, modification or waiver affects the rights associated with the Shares in the same manner as such amendment, modification, or waiver affects the rights associated with all other shares of the same series and class as the Shares granted to the Holder.

Registration Under Securities Act of 1933, as amended. The Company agrees that the Shares or, if the Shares are convertible into common stock of the Company, such common stock, shall have certain incidental, or “Piggyback,” registration rights pursuant to and as set forth in the Company’s Investor Third Amended and Stated Registration Rights Agreement Agreement, as amended (the “Registration Rights Agreement”), or similar agreement. The provisions set forth in the Company’s Investors’ Registration Right Agreement or similar agreement relating to the above in effect as of the Issue Date may not be amended, modified or waived without the prior written consent of Holder unless such amendment, modification or waiver affects the rights associated with the Shares in the same manner as such amendment, modification, or waiver affects the rights associated with all other shares of the same series and class as the Shares granted to the Holder.

Registration Under Securities Act of 1933, as amended. The Company agrees that the Shares or, if the Shares are convertible into common stock of the Company, such common stock, shall have certain incidental, or “Piggyback,” registration rights pursuant to and “S-3” registration rights as set forth in the Company’s Investor Rights Agreement or similar agreement. The provisions set forth in the Company’s Investors’ Right Agreement or similar agreement relating to the above in effect as of the Issue Date may not be amended, modified or waived without the prior written consent of Holder unless such amendment, modification or waiver affects the rights associated with the Shares in the same manner as such amendment, modification, or waiver affects the rights associated with all other shares of the same series and class as the Shares granted to the Holder.

Registration Under Securities Act of 1933, as amended. The Company agrees that the Shares or, if the Shares are convertible into common stock of the Company, such common stock, shall have certain incidental, or “Piggybackpiggyback,” registration rights pursuant to and as set forth in the Company’s Investor Rights Agreement or similar SVB Warrant Form April 2006 agreement. The provisions set forth in the Company’s Investors’ Right Agreement or similar agreement relating to the above in effect as of the Issue Date may not be amended, modified or waived without the prior written consent of Holder unless such amendment, modification or waiver affects the rights associated with the Shares in the same manner as such amendment, modification, or waiver affects the rights associated with all other shares of the same series and class as the Shares granted to the Holder.

Registration Under Securities Act of 1933, as amended. The Company agrees that the Shares or, if the Shares are convertible into common stock of the Company, such common stock, shall have certain incidental, or “Piggybackpiggyback,” registration rights pursuant to and as set forth in the Company’s Investor Investors’ Rights Agreement or similar agreement. The provisions set forth in the Company’s Investorsinvestors’ Right Agreement or similar agreement relating to the above in effect as of the Issue Date may not be amended, modified or waived without the prior written consent of Holder unless such amendment, modification or waiver affects the rights associated with the Shares in the same manner as such amendment, modification, or waiver affects the rights associated with all other shares of the same series and class as the Shares granted to the Holder.

Registration Under Securities Act of 1933, as amended. The Company agrees that the Shares or, if the Shares are convertible into common stock of the Company, such common stock, shall have certain incidental, or “Piggybackpiggyback,” registration rights pursuant to and as set forth in the Company’s Investor Rights Agreement or similar agreement. The provisions set forth in the Company’s Investors’ Right Investor Rights Agreement or similar agreement relating to the above in effect as of the Issue Date may not be amended, modified or waived without the prior written consent of Holder unless such amendment, modification or waiver affects the rights associated with the Shares in the same manner as such amendment, modification, or waiver affects the rights associated with all other shares of the same series and class as the Shares granted to the Holder.

Registration Under Securities Act of 1933, as amended. The Company agrees that the Shares or, if the Shares are convertible into common stock of the Company, such common stock, shall have certain incidental, or “Piggyback,” registration rights pursuant to and as set forth in the Company’s Investor Rights Agreement or similar agreementdated as of . The provisions set forth in the Company’s Investors’ Right Agreement or similar agreement relating to the above in effect as of the Issue Date may not be amended, modified or waived without the prior written consent of Holder unless such amendment, modification or waiver affects the rights associated with the Shares in the same manner as such amendment, modification, or waiver affects the rights associated with all other shares of the same series and class as the Shares granted to the Holder.

Registration Under Securities Act of 1933, as amended. The Company agrees that the Shares or, if the Shares are convertible into common stock of the Company, such common stock, shall have certain incidental, or “S-3” and “Piggyback,” registration rights pursuant to and as set forth in the Company’s Investor Rights Agreement or similar agreement. The provisions set forth in the Company’s Investors’ Right Agreement or similar agreement relating to the above in effect as of the Issue Date may not be amended, modified or waived without the prior written consent of Holder unless such amendment, modification or waiver affects the rights associated with the Shares in the same manner as such amendment, modification, or waiver affects the rights associated with all other shares of the same series and class as the Shares granted to the Holder.

Registration Under Securities Act of 1933, as amended. The Company agrees that the Shares or, if the Shares are convertible into common stock of the Company, such common stock, shall have certain incidental, or “Piggybackpiggyback,” registration rights pursuant to and as set forth in the Company’s Investor Rights Agreement or similar agreement. The provisions set forth in the Company’s Investors’ Right Agreement or similar agreement relating to the above in effect as of the Issue Date may not be amended, modified or waived without the prior written consent of Holder unless such amendment, modification or waiver affects the rights associated with the Shares in the same manner as such amendment, modification, or waiver affects the rights associated with all other shares of the same series and class as the Shares granted to the Holder.. SVB Warrant Form April 2006

Registration Under Securities Act of 1933, as amended. The Company agrees that the Shares or, if the Shares are convertible into common stock of the Company, such common stock, shall have certain incidental, or “Piggybackpiggyback,” registration rights pursuant to and as set forth in the Company’s Investor Rights Agreement or similar agreementdated as of January , 2008 (the “Rights Agreement”). The provisions set forth in the Company’s Investors’ Right Rights Agreement or similar agreement relating to the above in effect as of the Issue Date may not be amended, modified or waived without the prior written consent of Holder unless such amendment, modification or waiver affects the rights associated with the Shares in the same manner as such amendment, modification, or waiver affects the rights associated with all other shares of the same series and class as the Shares granted to the Holder.

Registration Under Securities Act of 1933, as amended. The Company agrees that the Shares or, if the Shares are convertible into common stock of the Company, such common stock, shall have certain incidental, or “Piggyback,” registration rights pursuant to and as set forth in the Company’s Investor Investors’ Rights Agreement or similar agreementAgreement. The provisions set forth in the Company’s Investors’ Right Agreement or similar agreement relating to the above in effect as of the Issue Date date hereof may not be amended, modified or waived without the prior written consent of Holder unless such amendment, modification or waiver affects the rights associated with the Shares in the same manner as such amendment, modification, or waiver affects the rights associated with all other shares of the same series and class as the Shares granted to the Holder. Upon exercise of this Warrant, Holder shall execute a counterpart signature page to the Company’s Investors’ Rights Agreement.

Registration Under Securities Act of 1933, as amended. The Company agrees that the Shares or, if the Shares are convertible into common stock of the Company, such common stock, shall have certain incidental, or “Piggyback,piggyback” and S-3 registration rights pursuant to and as set forth in the Company’s Investor Rights Agreement or similar agreementagreement as in effect from time to time (the “XXX”). The provisions set forth in the Company’s Investors’ Right Agreement or similar agreement XXX relating to the above in effect as of the Issue Date may not be amended, modified or waived without the prior written consent of Holder unless such amendment, modification or waiver affects the rights associated with the Shares in the same manner as such amendment, modification, or waiver affects the rights associated with all other shares of the same series and class as the Shares granted to the Holder.

Registration Under Securities Act of 1933, as amended. The Company agrees that the Shares or, if the Shares are convertible into common stock of the Company, such common stock, shall have certain incidental, or “Piggyback,” registration rights and S-3 registration rights pursuant to and as set forth in the Company’s Investor Rights Agreement or similar agreement. The provisions set forth in the Company’s Investors’ Right Agreement or similar agreement relating to the above in effect as of the Issue Date may not be amended, modified or waived without the prior written consent of Holder unless such amendment, modification or waiver affects the rights associated with the Shares in the same manner as such amendment, modification, or waiver affects the rights associated with all other shares of the same series and class as the Shares granted to the Holder.

Registration Under Securities Act of 1933, as amended. The Company agrees that the Shares or, if the Shares are convertible into common stock other securities of the Company, such common stocksecurities, shall have certain incidental, or “Piggybackpiggyback,” registration rights pursuant to and as set forth in the Company’s Investor Rights Agreement or similar agreement, whether in existence now or later. The provisions set forth in the Company’s Investors’ Right Agreement or similar agreement relating to the above in effect as of the Issue Date may not be amended, modified or waived without the prior written consent of Holder unless such amendment, modification or waiver affects the rights associated with the Shares in the same manner as such amendment, modification, or waiver affects the rights associated with all other shares of the same series and class as the Shares granted to the Holder.

Registration Under Securities Act of 1933, as amended. The Company agrees that the Shares or, if the Shares are convertible into common stock of the Company, such common stock, shall have certain incidental, or “Piggyback,piggyback” and S-3 registration rights pursuant to and as set forth in the Company’s Investor Rights Agreement or similar agreementdated February 21, 2008 (the “Rights Agreement”). The provisions set forth in the Company’s Investors’ Right Rights Agreement or similar agreement relating to the above in effect as of the Issue Date may not be amended, modified or waived without the prior written consent of Holder unless such amendment, modification or waiver affects the rights associated with the Shares in the same manner as such amendment, modification, or waiver affects the rights associated with all other shares of the same series and class as the Shares granted to the Holder.

Registration Under Securities Act of 1933, as amended. The Company agrees that the Shares or, if the Shares are convertible into common stock of the Company, such common stock, shall have certain incidental, or “Piggyback,” registration rights pursuant to and as set forth in the Company’s Investor Rights Agreement or similar agreement. The provisions set forth in the Company’s Investors’ Right Agreement or similar agreement relating to the above in effect as of the Issue Date may not be amended, modified or waived without the prior written consent of Holder unless such amendment, modification or waiver affects the rights associated with the Shares in the same manner as such amendment, modification, or waiver affects the rights associated with all ail other shares of the same series and class as the Shares granted to the Holder.