Agreement Not to Offer or Sell Additional Shares During the period commencing on and including the date hereof and continuing through and including the 90th day following the date of the Prospectus (such period, as extended as described below, being referred to herein as the “Lock-up Period”), the Company will not, without the prior written consent of Jefferies (which consent may be withheld in its sole discretion), directly or indirectly: (i) sell, offer to sell, contract to sell or lend any Shares or Related Securities (as defined below); (ii) effect any short sale, or establish or increase any “put equivalent position” (as defined in Rule 16a-1(h) under the Exchange Act) or liquidate or decrease any “call equivalent position” (as defined in Rule 16a-1(b) under the Exchange Act) of any Shares or Related Securities; (iii) pledge, hypothecate or grant any security interest in any Shares or Related Securities; (iv) in any other way transfer or dispose of any Shares or Related Securities; (v) enter into any swap, hedge or similar arrangement or agreement that transfers, in whole or in part, the economic risk of ownership of any Shares or Related Securities, regardless of whether any such transaction is to be settled in securities, in cash or otherwise; (vi) announce the offering of any Shares or Related Securities; (vii) file any registration statement under the Securities Act in respect of any Shares or Related Securities (other than as contemplated by this Agreement with respect to the Offered Shares or for registration statements on Form S-8 with respect to Shares or Related Securities to be issued pursuant to stock option, stock bonus or other stock plans or arrangements described in the Registration Statement, the Time of Sale Prospectus and the Prospectus); or (viii) publicly announce the intention to do any of the foregoing; provided, however, that the Company may (A) effect the transactions contemplated hereby, (B) issue Shares, options to purchase Shares or other Related Securities, or issue Shares upon exercise of options or other Related Securities, pursuant to one or more stock option, stock bonus or other stock plans or arrangements described in the Registration Statement, the Time of Sale Prospectus and the Prospectus, (C) issue Shares or Related Securities pursuant to the conversion or exchange of convertible or exchangeable securities or the exercise of warrants or options, in each case outstanding on the date hereof, and (D) issue Shares or Related Securities in connection with one or more joint ventures or commercial, strategic, consulting or collaborative relationships or acquisitions or licenses by the Company of the securities, business, property or other assets of one or more persons or entities or pursuant to any employee benefit plans assumed by the Company in connection with any such acquisitions, but only if the holders of such Shares, options or other Related Securities agree in writing with Jefferies not to sell, offer, dispose of or otherwise transfer any such Shares or options during such Lock-up Period without the prior written consent of Jefferies (which consent may be withheld in its sole discretion) and in the case of clause (D), the sum of the aggregate number of Shares or Related Securities so issued shall not exceed 5% of the total outstanding Shares. For purposes of the foregoing, “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. If (i) during the last 17 days of the 90-day initial lock-up period, the Company issues an earnings release or discloses material news or a material event relating to the Company occurs, or (ii) prior to the expiration of such period, the Company announces that it will release earnings results during the 16-day period beginning on the last day of such period, then in each case the Lock-up Period will be extended until the expiration of the 18-day period beginning on the date of the issuance of the earnings release or the disclosure of the material news or occurrence of the material event, as applicable, unless Jefferies waives, in writing, such extension (which waiver may be withheld in its sole discretion). The Company will provide the Representative with prior notice of any such announcement that gives rise to an extension of the Lock-up Period. Notwithstanding the foregoing, such Lock-up Period extension shall not apply if (i) the Company’s securities are “actively traded securities” (as defined in Regulation M of the Exchange Act), (ii) the Company meets the applicable requirements of paragraph (a)(1) of Rule 139 under the Securities Act in the manner contemplated by NASD Conduct Rule 2711(f)(4), and (iii) the provisions of NASD Conduct Rule 2711(f)(4) are not applicable to any research reports relating to the Company published or distributed by any of the Underwriters during the 15 days before or after the last day of the Lock-up Period (before giving effect to such extension).