Form of Supplemental Lock-up Agreement

Sell or Offer to Sell any Shares or Related Securities currently or hereafter owned either of record or beneficially (as defined in Rule 13d-3 under the Exchange Act) by the undersigned or such Immediate Family Member,

enter into any Swap,

make any demand for, or exercise any right with respect to, the registration under the Securities Act of the offer and sale of any Shares or Related Securities, or cause to be filed a registration statement, prospectus or prospectus supplement (or an amendment or supplement thereto) with respect to any such registration, or

publicly announce any intention to do any of the foregoing.

each transferee or distributee executes and delivers to the Company an agreement in form and substance satisfactory to at least a majority of the Board stating that such transferee or distributee is receiving and holding such Shares and/or Related Securities subject to the provisions of this letter agreement and agrees not to Sell or Offer to Sell such Shares and/or Related Securities, engage in any Swap or engage in any other activities restricted under this letter agreement except in accordance with this letter agreement (as if such transferee had been an original signatory hereto), and

with respect to clauses (i) through (iii) only, prior to the expiration of the Lock-up Period, no public disclosure or filing under the Exchange Act by any party to the transfer or distribution (donor, donee, transferor or transferee) shall be required, or made voluntarily, reporting a reduction in beneficial ownership of Shares in connection with such transfer or distribution.

with respect to twenty-five percent (25%) of the Shares held by the undersigned as of the date hereof, at the close of trading on the date that is the six-month anniversary of the date of the Prospectus (as defined in the Underwriting Agreement), or if such date is not a Trading Day, at 11:59 p.m. California time on such date;

with respect to an additional fifty percent (50%) of the Shares held by the undersigned as of the date hereof, at the close of trading on the date that is the one-year anniversary of the date of the Prospectus, or if such date is not a Trading Day, at 11:59 p.m. California time on such date;

with respect to the remaining twenty percent (25%) of the Shares held by the undersigned as of the date hereof, at the close of trading on the date that is the 18-month anniversary of the date of the Prospectus, or if such date is not a Trading Day, at 11:59 p.m. California time on such date; and

with respect to all Shares held by the undersigned, at the close of trading on the date that is the 20th consecutive Trading Day on which the market capitalization of the Company is at least $2,000,000,000 (as determined by multiplying the number of Shares outstanding at the closing of trading on each such Trading Day by the closing price per Share on each such Trading Day).

“Call Equivalent Position” shall have the meaning set forth in Rule 16a-1(b) under the Exchange Act.

“Exchange Act” shall mean the Securities Exchange Act of 1934, as amended.

“Family Member” shall mean any individual related by blood, marriage or adoption, but not more remotely than as a first cousin, to the undersigned.

“Immediate Family Member” shall mean the spouse or domestic partner of the undersigned, an immediate family member of the undersigned or an immediate family member of the undersigned’s spouse or domestic partner, in each case living in the undersigned’s household or whose principal residence is the undersigned’s household (regardless of whether such spouse, domestic partner or family member may at the time be living elsewhere due to educational activities, health care treatment, military service, temporary internship or employment or otherwise). The term “immediate family” as used above shall have the meaning set forth in Rule 16a-1(e) under the Exchange Act.

“Lock-up Period” shall mean the period beginning on the date hereof and continuing through the close of trading on the date that is the 18-month anniversary of the date of the Prospectus (as defined in the Underwriting Agreement).

“Put Equivalent Position” shall have the meaning set forth in Rule 16a-1(h) under the Exchange Act.

“Related Securities” shall mean any options or warrants or other rights to acquire Shares or any securities exchangeable or exercisable for or convertible into Shares, or to acquire other securities or rights ultimately exchangeable or exercisable for or convertible into Shares.

“Securities Act” shall mean the Securities Act of 1933, as amended.

“Sell or Offer to Sell” shall mean to:

sell, offer to sell, contract to sell or lend,

effect any short sale or establish or increase a Put Equivalent Position or liquidate or decrease any Call Equivalent Position,

pledge, hypothecate or grant any security interest in, or

in any other way transfer or dispose of,

“Swap” shall mean any swap, hedge or similar arrangement or agreement that transfers, in whole or in part, the economic risk of ownership of Shares or Related Securities, regardless of whether any such transaction is to be settled in securities, in cash or otherwise.

“Trading Day” shall mean a day on which (i) trading in the Company’s common stock generally occurs on a U.S. national or regional securities exchange on which the Company’s common stock is then listed or, if the Company’s common stock is not then listed on a U.S. national or regional securities exchange, on the principal other market on which the Company’s common stock is then traded and (ii) a closing price per Share is available on such securities exchange or market.