REGISTRATION RIGHTS AGREEMENT

Exhibit 10.4

EXECUTION VERSION

THIS REGISTRATION RIGHTS AGREEMENT (this “Agreement”) is made and entered into as of January 13, 2015, by and among ZIOPHARM Oncology, Inc., a Delaware corporation (the “Issuer”), and the University of Texas System Board of Regents on behalf of The University of Texas M.D. Xxxxxxxx Cancer Center, an agency of the State of Texas (“MD Xxxxxxxx”), and shall become effective as of the Closing (as defined in the Issuance Agreement, defined below).

RECITALS

A. This Agreement is being entered into pursuant to the Securities Issuance Agreement between the Issuer and MD Xxxxxxxx dated as of January 13, 2015 (the “Issuance Agreement”).

AGREEMENT

NOW, THEREFORE, IN CONSIDERATION of the mutual covenants contained in this Agreement, and for other good and valuable consideration the receipt and adequacy of which are hereby acknowledged, the Issuer and MD Xxxxxxxx agree as follows:

ARTICLE I

DEFINITIONS

Capitalized terms used and not otherwise defined herein shall have the meanings given such terms in the Issuance Agreement. As used in this Agreement, the following terms shall have the following meanings:

“Affiliate” means, with respect to any Person, any other Person that directly or indirectly controls or is controlled by or under common control with such Person. For the purposes of this definition, “control,” when used with respect to any Person, means the possession, directly or indirectly, of the power to direct or cause the direction of the management and policies of such Person, whether through the ownership of voting securities, by contract or otherwise; and the terms “affiliated,” “controlling” and “controlled” have meanings correlative to the foregoing.

“Board” means the Board of Directors of the Issuer.

“Business Day” means any day except Saturday, Sunday and any day which shall be a legal holiday or a day on which banking institutions in the state of New York generally are authorized or required by law or other government actions to close.

“Closing Date” means the date of the closing of the acquisition and issuance of the Issuer Shares pursuant to the Issuance Agreement.

“Commission” means the Securities and Exchange Commission.

“Effectiveness Date” the 120th calendar day following the Closing Date; provided, however, that if the Effectiveness Date falls on a day that is not a Business Day, then the Effectiveness Date shall be extended to the next Business Day.

“Effectiveness Period” shall have the meaning set forth in Article II.

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

“Filing Date” means the fifteenth (15^th) Business Day following the Closing Date; provided, however, that if the Filing Date falls on a day that is not a Business Day, then the Filing Date shall be extended to the next Business Day.

“Holder” or “Holders” means the holder or holders, as the case may be, from time to time of Registrable Securities.

“Indemnified Party” shall have the meaning set forth in Section 5.3(a).

“Indemnifying Party” shall have the meaning set forth in Section 5.3(a).

“Issuer Common Stock” means, the Issuer’s Common Stock, par value $0.001 per share.

“Issuer Shares” means the shares of Issuer Common Stock.

“Losses” shall have the meaning set forth in Section 5.1.

“Person” means an individual or a corporation, partnership, trust, incorporated or unincorporated association, joint venture, limited liability company, joint stock company, government (or an agency or political subdivision thereof) or other entity of any kind.

“Proceeding” means an action, claim, suit, investigation or proceeding (including, without limitation, an investigation or partial proceeding, such as a deposition), whether commenced or threatened.

“Prospectus” means any prospectus included in a Registration Statement (including, without limitation, a prospectus that includes any information previously omitted from a prospectus filed as part of an effective registration statement in reliance upon Rule 430A promulgated under the Securities Act), as amended or supplemented by any prospectus supplement, with respect to the terms of the offering of any portion of the Registrable Securities covered by a Registration Statement, and all other amendments and supplements to any such Prospectus, including post-effective amendments, and all material incorporated by reference in such Prospectus.

“Registrable Securities” means all of the Issuer Shares issued to MD Xxxxxxxx pursuant to the Issuance Agreement or otherwise held by MD Xxxxxxxx on the date that the Registration Statement contemplated by Section 2.1 is filed by the Issuer, and any securities issued with respect to, or in exchange for or in replacement of such shares of Issuer Common Stock upon any stock split, stock dividend, recapitalization, subdivision, merger or similar event; provided,

however, that the applicable Holder has completed and delivered to the Issuer a Selling Stockholder Questionnaire; and provided further that such securities shall no longer be deemed Registrable Securities if (i) such securities have been sold pursuant to a Registration Statement, (ii) such securities have been sold in compliance with Rule 144, or (ii) all such securities may be sold without limitation or restriction pursuant to Rule 144.

“Registration Statement” means the registration statements and any additional registration statements contemplated by Article II, including (in each case) the related Prospectus, amendments and supplements to such registration statement or Prospectus, including pre- and post-effective amendments, all exhibits thereto, and all material incorporated by reference in such registration statement.

“Rule 144” means Rule 144 promulgated by the Commission pursuant to the Securities Act, as such Rule may be amended from time to time, or any similar rule or regulation hereafter adopted by the Commission having substantially the same effect as such Rule.

“Rule 415” means Rule 415 promulgated by the Commission pursuant to the Securities Act, as such Rule may be amended from time to time, or any similar rule or regulation hereafter adopted by the Commission having substantially the same effect as such Rule.

“Securities Act” means the Securities Act of 1933, as amended.

“Selling Stockholder Questionnaire” means a questionnaire in the form attached as Annex B hereto, or such other form of questionnaire as may reasonably be requested by the Issuer from time to time.

“Transaction Documents” means this Agreement, the Issuance Agreement, the License Agreement (as defined in the Issuance Agreement), and the schedules and exhibits attached hereto and thereto.

ARTICLE II

REGISTRATION

2.1 Registration Obligations; Filing Date Registration. On or prior to the Filing Date, the Issuer shall prepare and file with the Commission a Registration Statement covering the resale of the Registrable Securities as would permit the sale and distribution of all the Registrable Securities from time to time pursuant to Rule 415 in the manner reasonably requested by the Holder. The Registration Statement shall be on Form S-3 (except if the Issuer is not then eligible to register for resale the Registrable Securities on Form S-3, in which case such registration shall be on another appropriate form in accordance with the Securities Act and the rules promulgated thereunder and the Issuer shall undertake to register the Registrable Securities on Form S-3 as soon as practicable following the availability of such form, provided that the Issuer shall use reasonable best efforts to maintain the effectiveness of the Registration Statement then in effect until such time as a Registration Statement on Form S-3 covering the Registrable Securities has been declared effective by the Commission). The Registration Statement shall contain the “Plan of Distribution” section in substantially the form attached hereto as Annex A. The Issuer shall use reasonable best efforts to cause the Registration Statement filed by it to be declared effective under the Securities Act as promptly as practicable

after the filing thereof but in any event on or prior to the Effectiveness Date, and, subject to Section 3.1(m) hereof, to keep such Registration Statement continuously effective under the Securities Act until such date as all Registrable Securities covered by such Registration Statement have ceased to be Registrable Securities (the “Effectiveness Period”). By 5:30 pm Eastern Time on the Business Day following the Effective Date, the Issuer shall file with the Commission in accordance with Rule 424 under the Securities Act the final prospectus to be used in connection with sales pursuant to such Registration Statement.

ARTICLE III

REGISTRATION PROCEDURES

3.1 Registration Procedures. In connection with the Issuer’s registration obligations hereunder, the Issuer shall:

(a) Prepare and file with the Commission on or prior to the Filing Date, a Registration Statement on Form S-3 (or if the Issuer is not then eligible to register for resale the Registrable Securities on Form S-3 such Registration Statement shall be on another appropriate form in accordance with the Securities Act and the rules and regulations promulgated thereunder) in accordance with the method or methods of distribution thereof as described on Annex A hereto (except if otherwise directed by all of the Holders), and use reasonable best efforts to cause the Registration Statement to become effective and remain effective as provided herein.

(b) Prepare and file with the Commission such amendments, including post-effective amendments, to the Registration Statement as may be necessary to keep the Registration Statement continuously effective (subject to Section 3.1(l)) as to the applicable Registrable Securities for the Effectiveness Period and prepare and file with the Commission such additional Registration Statements, if necessary, in order to register for resale under the Securities Act all of the Registrable Securities; cause the related Prospectus to be amended or supplemented by any required Prospectus supplement, and as so supplemented or amended to be filed pursuant to Rule 424 (or any similar provisions then in force) promulgated under the Securities Act; respond promptly to any comments received from the Commission with respect to the Registration Statement or any amendment thereto and promptly provide the Holders true and complete copies of all correspondence from and to the Commission relating to such Registration Statement; and comply in all material respects with the provisions of the Securities Act and the Exchange Act with respect to the disposition of all Registrable Securities covered by the Registration Statement during the applicable period in accordance with the intended methods of disposition by the Holders thereof set forth in the Registration Statement as so amended or in such Prospectus as so supplemented.

(c) At the time the Commission declares the Registration Statement effective, each Holder shall be named as a selling stockholder in the Registration Statement and the related Prospectus in such a manner as to permit such Holder to deliver such Prospectus to purchasers of Registrable Securities included in the Registration Statement in accordance with applicable law, subject to the terms and conditions hereof. From and after the date the Registration Statement is declared effective, any Holder not named as a selling stockholder in the Registration Statement at the time of effectiveness may request that the Issuer amend or supplement the Registration

Statement to include such Holder as a selling stockholder, and the Issuer shall, as promptly as practicable and in any event upon the later of (x) ten (10) Business Days after such date or (y) ten (10) Business Days after the expiration of any Deferral Period (as defined in Section 3.1(l)) that is either in effect or put into effect within ten (10) Business Days of such date:

(i) if required by applicable law, prepare and file with the Commission a post-effective amendment to the Registration Statement or prepare and, if required by applicable law, file a supplement to the related Prospectus or a supplement or amendment to any document incorporated therein by reference or file with the Commission any other required document so that the Holder is named as a selling stockholder in the Registration Statement and the related Prospectus in such a manner as to permit such Holder to deliver such Prospectus to purchasers of such Holder’s Registrable Securities included in the Shelf Registration Statement in accordance with applicable law and, if the Issuer shall file a post-effective amendment to the Registration Statement, use its reasonable best efforts to cause such post-effective amendment to be declared effective under the Securities Act as promptly as is practicable, but in any event by the date that is sixty (60) days after the date such post-effective amendment is required by this clause to be filed;

(ii) provide such Holder copies of any documents filed pursuant to Section 3.1(c)(i); and

(iii) notify such Holder as promptly as practicable after the effectiveness under the Securities Act of any post-effective amendment filed pursuant to Section 3.1(c)(i);

(d) Promptly notify the Holders of Registrable Securities (i)(A) when a Registration Statement, a Prospectus or any Prospectus supplement or pre- or post-effective amendment to the Registration Statement is filed; (B) when the Commission notifies the Issuer whether there will be a “review” of such Registration Statement and whenever the Commission comments in writing on such Registration Statement, and if requested by such Holders, furnish to them a copy of such comments and the Issuer’s responses thereto and (C) with respect to the Registration Statement or any post-effective amendment filed by the Issuer, when the same has become effective; (ii) of any request by the Commission or any other Federal or state governmental authority for amendments or supplements to the Registration Statement or Prospectus or for additional information of the Issuer; (iii) of the issuance by the Commission of any stop order suspending the effectiveness of the Registration Statement covering any or all of the Registrable Securities or the initiation of any Proceedings for that purpose; (iv) of the receipt by the Issuer of any notification with respect to the suspension of the qualification or exemption from qualification of any of the Registrable Securities of the Issuer for sale in any jurisdiction, or the initiation or threatening of any Proceeding for such purpose; and (v) of the occurrence of any event that makes any statement made in the Registration Statement or Prospectus or any document incorporated or deemed to be incorporated therein by reference untrue in any material respect or that requires any revisions to such Registration Statement, Prospectus or other documents so that, in the case of such Registration Statement or the Prospectus, as the case may be, it will not contain any untrue statement of a material fact or omit to state any material fact required to be stated therein or necessary to make the statements therein, in the light of the circumstances under which they were made, not misleading.

(e) Use reasonable best efforts to avoid the issuance of, and, if issued, to obtain the withdrawal of, (i) any order suspending the effectiveness of the Registration Statement or (ii) any suspension of the qualification (or exemption from qualification) of any of the Registrable Securities for sale in any U.S. jurisdiction.

(f) If requested by the Holders of a majority of the Registrable Securities, (i) promptly incorporate in a Prospectus supplement or post-effective amendment to the Registration Statement such information as such Holders reasonably request to be included therein and (ii) make all required filings of such Prospectus supplement or such post-effective amendment as soon as practicable after the Issuer has received notification of the matters to be incorporated in such Prospectus supplement or post-effective amendment.

(g) Furnish to each Holder, without charge and upon request, at least one conformed copy of each Registration Statement and each amendment thereto, including financial statements and schedules, and, to the extent requested by such Person, all documents incorporated or deemed to be incorporated therein by reference, and all exhibits (including those previously furnished or incorporated by reference) promptly after the filing of such documents with the Commission.

(h) Promptly deliver to each Holder, without charge, as many copies of the Prospectus or Prospectuses (including each form of prospectus) and each amendment or supplement thereto as such Persons may reasonably request; and the Issuer hereby consents to the use of such Prospectus and each amendment or supplement thereto by each of the selling Holders in connection with the offering and sale of the Registrable Securities covered by such Prospectus and any amendment or supplement thereto.

(i) Cooperate with the Holders to facilitate the timely preparation and delivery of certificates representing Registrable Securities of the Issuer to be sold pursuant to a Registration Statement.

(j) Upon the occurrence of any event contemplated by Section 3.1(d)(v), as promptly as practicable prepare a supplement or amendment, including a post-effective amendment, to the Registration Statement or a supplement to the related Prospectus or any document incorporated or deemed to be incorporated therein by reference, and file any other required document so that, as thereafter delivered, neither the Registration Statement nor such Prospectus will contain an untrue statement of a material fact or omit to state a material fact required to be stated therein or necessary to make the statements therein, in the light of the circumstances under which they were made, not misleading.

(k) Use reasonable best efforts to cause all Registrable Securities relating to the Registration Statement to be listed on the NASDAQ Stock Market, LLC or any subsequent securities exchange, quotation system or market, if any, on which similar securities issued by the Issuer are then listed or traded.

(l) The Issuer may require each selling Holder to furnish to the Issuer information regarding such Holder and the distribution of such Registrable Securities as is required by law to be disclosed in the Registration Statement, and the Issuer may exclude from such registration the Registrable Securities of any such Holder who fails to furnish such information within fifteen (15) days after receiving such request.

(m) If (i) there is material non-public information regarding the Issuer which the Board reasonably determines not to be in the Issuer’s best interest to disclose and which the Issuer is not otherwise required to disclose, or (ii) there is a significant business opportunity (including, but not limited to, the acquisition or disposition of assets (other than in the ordinary course of business) or any merger, consolidation, tender offer or other similar transaction) available to the Issuer which the Board reasonably determines not to be in the Issuer’s best interest to disclose, then the Issuer may postpone or suspend filing or effectiveness of a Registration Statement for a period (a “Deferral Period”) not to exceed forty-five (45) consecutive days, provided that the Issuer may not postpone or suspend its obligation under this Section 3.1(m) for more than ninety (90) days in the aggregate during any 12-month period; provided, however, that no such postponement or suspension by the Issuer shall be permitted for more than one forty-five (45) day period, arising out of the same set of facts, circumstances or transactions.

(n) The Issuer shall use reasonable best efforts to register or qualify, or cooperate with the Holders of the Registrable Securities included in the Registration Statement in connection with the registration or qualification of, the resale of the Registrable Securities under applicable securities or “blue sky” laws of such states of the United States as any such Holder requests in writing and to do any and all other acts or things necessary or advisable to enable the offer and sale in such jurisdictions of the Registrable Securities covered by the Registration Statement; provided, however, that the Issuer shall not be required to (i) qualify generally to do business in any jurisdiction where it is not then so qualified or (ii) take any action that would subject it to general service of process or to taxation in any jurisdiction to which it is not then so subject.

(o) The Issuer will comply with all rules and regulations of the Commission to the extent and so long as they are applicable to the Registration and will make generally available to its security holders (or otherwise provide in accordance with Section 11(a) of the Securities Act) an earnings statement (which need not be audited) satisfying the provisions of Section 11(a) of the Securities Act and Rule 158 thereunder, no later than 45 days after the end of a 12-month period (or 90 days, if such period is a fiscal year) beginning with the Issuer’s first fiscal quarter commencing after the effective date of the Registration Statement.

3.2 Holder Covenants. Each Holder covenants and agrees by its acquisition of such Registrable Securities that:

(a) (i) it will not sell any Registrable Securities under the Registration Statement until it has received copies of the Prospectus as then amended or supplemented as contemplated in Section 3.1(h) and notice from the Issuer that such Registration Statement and any post-effective amendments thereto have become effective as contemplated by Section 3.1(d) and (ii) it and its officers, directors or Affiliates, if any, will comply with the prospectus delivery requirements of the Securities Act as applicable to them in connection with sales of Registrable Securities pursuant to the Registration Statement.

(b) Upon receipt of a notice from the Issuer of the occurrence of any event of the kind described in Section 3.1(d) (ii), 3.1(d)(iii), 3.1(d)(iv), 3.1(d)(v) or 3.1(m), such Holder will forthwith discontinue disposition of such Registrable Securities under the Registration Statement until such Holder’s receipt of the copies of the supplemented Prospectus and/or amended Registration Statement contemplated by Section 3.1(j), or until it is advised in writing by the Issuer that the use of the applicable Prospectus may be resumed, and, in either case, has received copies of any additional or supplemental filings that are incorporated or deemed to be incorporated by reference in such Prospectus or Registration Statement.

(c) Such Holder is bound by the “Lock Up” provisions of Section 4.1 of the Issuance Agreement and notwithstanding any provision of this Agreement, such Holder will not sell, transfer, pledge, lend, offer or otherwise dispose of any Registrable Securities except in compliance with Section 4.1 of the Issuance Agreement.

ARTICLE IV

REGISTRATION EXPENSES

4.1 Registration Expenses. All reasonable fees and expenses incident to the performance of or compliance with this Agreement by the Issuer (excluding underwriters’ discounts and commissions and all fees and expenses of legal counsel, accountants and other advisors for any Holder except as specifically provided below), except as and to the extent specified in this Section 4.1, shall be borne by the Issuer whether or not a Registration Statement is filed by the Issuer or becomes effective and whether or not any Registrable Securities are sold pursuant to a Registration Statement. The fees and expenses referred to in the foregoing sentence shall include, without limitation, (i) all registration and filing fees (including, without limitation, fees and expenses (A) with respect to filings required to be made with the NASDAQ Stock Market, LLC and each other securities exchange or market on which Registrable Securities are required hereunder to be listed, (B) with respect to filings required to be made by the Issuer with the Financial Industry Regulatory Authority and (C) in compliance with state securities or Blue Sky laws by the Issuer or with respect to Registrable Securities, (ii) messenger, telephone and delivery expenses, (iii) fees and disbursements of counsel for the Issuer, (iv) Securities Act liability insurance, if the Issuer so desires such insurance, and (v) fees and expenses of all other Persons retained by the Issuer in connection with the consummation of the transactions contemplated by this Agreement, including, without limitation, the Issuer’s independent public accountants). In addition, the Issuer shall be responsible for all of its internal expenses incurred in connection with the consummation of the transactions contemplated by this Agreement (including, without limitation, all salaries and expenses of its officers and employees performing legal or accounting duties), the expense of any annual audit, the fees and expenses incurred in connection with the listing of the Registrable Securities on any securities exchange as required hereunder.

ARTICLE V

INDEMNIFICATION

5.1 Indemnification by the Issuer. The Issuer shall, notwithstanding any termination of this Agreement, indemnify and hold harmless each Holder, its permitted assignees, officers, directors, agents, brokers (including brokers who offer and sell Registrable Securities as

principal as a result of a pledge or any failure to perform under a margin call of Issuer Common Stock), underwriters, investment advisors and employees, each Person who controls any such Holder or permitted assignee (within the meaning of Section 15 of the Securities Act or Section 20 of the Exchange Act) and the officers, directors, agents and employees of each such controlling Person, and the respective successors, assigns, estate and personal representatives of each of the foregoing, to the fullest extent permitted by applicable law, from and against any and all claims, losses, damages, liabilities, penalties, judgments, costs (including, without limitation, costs of investigation) and expenses (including, without limitation, reasonable attorneys’ fees and expenses) (collectively, “Losses”), arising out of or relating to any untrue or alleged untrue statement of a material fact contained in the Registration Statement, any Prospectus, as supplemented or amended, if applicable, or arising out of or relating to any omission or alleged omission of a material fact required to be stated therein or necessary to make the statements therein (in the case of any Prospectus or form of prospectus or supplement thereto, in the light of the circumstances under which they were made) not misleading, except (i) to the extent, but only to the extent, that such untrue statements or omissions or alleged untrue statements or omissions are based upon information regarding such Holder furnished in writing to the Issuer by such Holder expressly for use in such Registration Statement, such Prospectus or in any amendment or supplement thereto (it being understood that each Holder has approved Annex A hereto for this purpose); or (ii) in the case of an occurrence of an event of the type specified in Section 3.1(d)(ii)-(v), the use by a Holder of an outdated or defective Prospectus, but only if and to the extent that following such receipt the misstatement or omission giving rise to such Loss would have been corrected; provided, however, that the indemnity agreement contained in this Section 5.1 shall not apply to amounts paid in settlement of any Losses if such settlement is effected without the prior written consent of the Issuer, which consent shall not be unreasonably withheld. The Issuer shall notify such Holder promptly of the institution, threat or assertion of any Proceeding of which the Issuer is aware in connection with the transactions contemplated by this Agreement. Such indemnity shall remain in full force and effect regardless of any investigation made by or on behalf of an Indemnified Party (as defined in Section 5.3(a) hereof) and shall survive the transfer of the Registrable Securities by the Holder.

5.2 Indemnification by Holders. Each Holder and its permitted assignees shall, severally and not jointly, indemnify and hold harmless the Issuer, its directors, officers, agents and employees, each Person who controls the Issuer (within the meaning of Section 15 of the Securities Act and Section 20 of the Exchange Act), and the directors, officers, agents or employees of such controlling Persons, and the respective successors, assigns, estate and personal representatives of each of the foregoing, to the fullest extent permitted by applicable law, from and against all Losses, as incurred, arising out of or relating to any untrue or alleged untrue statement of a material fact contained in any Registration Statement, any Prospectus, as supplemented or amended, if applicable, or arising out of or relating to any omission or alleged omission of a material fact required to be stated therein or necessary to make the statements therein (in the case of any Prospectus or supplement thereto, in the light of the circumstances under which they were made) not misleading, to the extent, but only to the extent, that such untrue statement or omission or alleged untrue statement or omission is contained in or omitted from any information regarding such Holder furnished in writing to the Issuer by such Holder expressly for use in therein, and that such information was reasonably relied upon by the Issuer for use therein, or to the extent that such information relates to such Holder or such Holder’s proposed method of distribution of Registrable Securities and was furnished in writing by such Holder expressly for use therein (it being understood that each Holder has approved Annex A hereto for this purpose).

5.3 Conduct of Indemnification Proceedings.

(a) If any Proceeding shall be brought or asserted against any Person entitled to indemnity hereunder (an “Indemnified Party”), such Indemnified Party promptly shall notify the Person from whom indemnity is sought (the “Indemnifying Party”) in writing, and the Indemnifying Party shall assume the defense thereof, including the employment of counsel reasonably satisfactory to the Indemnified Party and the payment of all fees and expenses incurred in connection with defense thereof; provided, that the failure of any Indemnified Party to give such notice shall not relieve the Indemnifying Party of its obligations or liabilities pursuant to this Agreement, except (and only) to the extent that it shall be finally determined by a court of competent jurisdiction (which determination is not subject to appeal or further review) that such failure shall have proximately and materially adversely prejudiced the Indemnifying Party.

(b) An Indemnified Party shall have the right to employ separate counsel in any such Proceeding and to participate in the defense thereof, but the fees and expenses of such counsel shall be at the expense of such Indemnified Party or Parties unless: (1) the Indemnifying Party has agreed in writing to pay such fees and expenses; or (2) the Indemnifying Party shall have failed promptly to assume the defense of such Proceeding and to employ counsel reasonably satisfactory to such Indemnified Party in any such Proceeding; or (3) the named parties to any such Proceeding (including any impleaded parties) include both such Indemnified Party and the Indemnifying Party, and such Indemnified Party shall have been advised by counsel (which shall be reasonably acceptable to the Indemnifying Party) that a conflict of interest is likely to exist if the same counsel were to represent such Indemnified Party and the Indemnifying Party (in which case, the Indemnifying Party shall be responsible for reasonable fees and expenses of no more than one counsel (together with appropriate local counsel) for the Indemnified Parties). The Indemnifying Party shall not be liable for any settlement of any such Proceeding effected without its written consent, which consent shall not be unreasonably withheld or delayed. No Indemnifying Party shall, without the prior written consent of the Indemnified Party, effect any settlement of any pending Proceeding in respect of which any Indemnified Party is or could have been a party, unless such settlement (i) includes an unconditional release of such Indemnified Party from all liability on claims that are the subject matter of such Proceeding and (ii) does not include a statement as to or an admission of fault, culpability or a failure to act by or on behalf of any Indemnified Party.

(c) All fees and expenses of the Indemnified Party (including reasonable fees and expenses to the extent incurred in connection with investigating or preparing to defend such Proceeding in a manner not inconsistent with this Section) shall be paid to the Indemnified Party, as incurred, within twenty (20) Business Days of written notice thereof to the Indemnifying Party (regardless of whether it is ultimately determined that an Indemnified Party is not entitled to indemnification hereunder; provided, that the Indemnifying Party may require such Indemnified Party to undertake to reimburse all such fees and expenses to the extent it is finally judicially determined that such Indemnified Party is not entitled to indemnification hereunder).

10.

5.4 Contribution.

(a) If a claim for indemnification under Section 5.1 or 5.2 is unavailable to an Indemnified Party because of a failure or refusal of a governmental authority to enforce such indemnification in accordance with its terms (by reason of public policy or otherwise), then each Indemnifying Party, in lieu of indemnifying such Indemnified Party, shall contribute to the amount paid or payable by such Indemnified Party as a result of such Losses, in such proportion as is appropriate to reflect the relative fault of the Indemnifying Party and Indemnified Party in connection with the actions, statements or omissions that resulted in such Losses as well as any other relevant equitable considerations. The relative fault of such Indemnifying Party and Indemnified Party shall be determined by reference to, among other things, whether any action in question, including any untrue or alleged untrue statement of a material fact or omission or alleged omission of a material fact, has been taken or made by, or relates to information supplied by, such Indemnifying, Party or Indemnified Party, and the parties’ relative intent, knowledge, access to information and opportunity to correct or prevent such action, statement or omission. The amount paid or payable by a party as a result of any Losses shall be deemed to include, subject to the limitations set forth in Section 5.3, any reasonable attorneys’ or other reasonable fees or expenses incurred by such party in connection with any Proceeding to the extent such party would have been indemnified for such fees or expenses if the indemnification provided for in this Section was available to such party in accordance with its terms.

(b) The parties hereto agree that it would not be just and equitable if contribution pursuant to this Section 5.4 were determined by pro rata allocation or by any other method of allocation that does not take into account the equitable considerations referred to in the immediately preceding paragraph. No Person guilty of fraudulent misrepresentation (within the meaning of Section 11(f) of the Securities Act) shall be entitled to contribution from any Person who was not guilty of such fraudulent misrepresentation.

(c) The indemnity and contribution agreements contained in this Article V are in addition to any liability that the Indemnifying Parties may have to the Indemnified Parties.

ARTICLE VI

RULE 144

6.1 Rule 144. As long as any Holder owns any Registrable Securities, the Issuer covenants to use its commercially reasonable efforts to timely file (or obtain extensions in respect thereof and file within the applicable grace period) all reports required to be filed by the Issuer after the date hereof pursuant to Section 13(a) or 15(d) of the Exchange Act. The Issuer further covenants that it will take such further action as any Holder may reasonably request, all to the extent required from time to time to enable such Person to sell the Registrable Securities without registration under the Securities Act within the limitation of the exemptions provided by Rule 144 promulgated under the Securities Act, including providing any legal opinions relating to such sale pursuant to Rule 144. Upon the request of any Holder, the Issuer shall deliver to such Holder a written certification of a duly authorized officer as to whether it has complied with such requirements.

11.

ARTICLE VII

MISCELLANEOUS

7.1 Effectiveness. The Issuer’s obligations hereunder shall be conditioned upon the occurrence of the Closing under the Issuance Agreement, and this Agreement shall not be effective until such Closing. If the Issuance Agreement shall be terminated prior to the Closing, then this Agreement shall be void and of no further force or effect (and no party hereto shall have any rights or obligations with respect to this Agreement).

7.2 Limitations Under Texas State Law. MD Xxxxxxxx is an agency of the State of Texas and under the Constitution and laws of the State of Texas possesses certain rights and privileges, is subject to certain limitations and restrictions, and only has such authority as is granted to it under the Constitution and laws of the State of Texas. Notwithstanding any provision contained in this Agreement, nothing in this Agreement is intended to be, nor will it be construed to be, a waiver of the sovereign immunity of the State of Texas or a prospective waiver or restriction of any of the rights, remedies, claims, and privileges of the State of Texas. Moreover, notwithstanding the generality or specificity of any provision hereof, the provisions of this agreement as they pertain to MD Xxxxxxxx are enforceable only to the extent authorized by the Constitution and laws of the State of Texas.

7.3 Remedies. In the event of a breach by the Issuer or by a Holder, of any of their obligations under this Agreement, each non-breaching Holder and Issuer, as the case may be, in addition to being entitled to exercise all rights granted by law and under this Agreement, including recovery of damages, will be entitled to specific performance of its rights under this Agreement. The Issuer and each Holder agree that monetary damages would not provide adequate compensation for any losses incurred by reason of a breach by it of any of the provisions of this Agreement and hereby further agrees that, in the event of any action for specific performance in respect of such breach, it shall waive the defense that a remedy at law would be adequate.

7.4 Entire Agreement; Amendment. This Agreement and the other Transaction Documents contain the entire understanding and agreement of the parties with respect to the matters covered hereby and, except as specifically set forth herein or therein, neither the Issuer nor any Holder make any representation, warranty, covenant or undertaking with respect to such matters, and they supersede all prior understandings and agreements with respect to said subject matter, all of which are merged herein. This Agreement and any term hereof may be amended, terminated or waived only with the written consent of the Issuer and the Holders of at least a majority of all Registrable Securities then outstanding. Any amendment or waiver effected in accordance with this Section 7.4 shall be binding upon each Holder (and their permitted assigns).

7.5 No Inconsistent Agreements. The Issuer will not on or after the date of this Agreement enter into any agreement with respect to its securities that is inconsistent with the rights granted to the Holders in this Agreement or otherwise conflicts with the provisions hereof. The rights granted to the Holders hereunder do not in any way conflict with and are not inconsistent with the rights granted to the holders of the Issuer’s securities under any agreement in effect on the date hereof.

12.

7.6 No Piggyback on Registration. Without the prior written consent of the Holders of a majority of the Registrable Securities, no Registration Statement relating to the offer and sale of Registrable Securities shall register any transaction in any securities of the Issuer, other than the offer and sale of Registrable Securities by the Holders thereof.

7.7 Notices. Any and all notices or other communications or deliveries required or permitted to be provided hereunder shall be in writing and shall be deemed given and effective on the earliest of (a) the date of transmission, if such notice or communication is delivered via facsimile or email at the facsimile number or email address specified in this Section prior to 4:00 p.m. (New York City time) on a Trading Day, (b) the next Trading Day after the date of transmission, if such notice or communication is delivered via facsimile or email at the facsimile number or email address specified in this Section on a day that is not a Trading Day or later than 4:00 p.m. (New York City time) on any Trading Day, (c) the Trading Day following the date of deposit with a nationally recognized overnight courier service, or (d) upon actual receipt by the party to whom such notice is required to be given. The addresses, facsimile numbers and email addresses for such notices and communications are those set forth below, or such other address or facsimile number as may be designated in writing hereafter, in the same manner, by any such Person:


If to the Issuer:		ZIOPHARM Oncology, Inc.
		0 Xxxxx Xxxxxx
		Xxxxxx Xxxxxxxx, #00
		Xxxxxx, XX 00000
		Attention: Chief Executive Officer
		Email: xxxxxxx@xxxxxxxx.xxx
		Fax No.: 000.000.0000

with copies (which copies		Xxxxxx LLP
shall not constitute notice		000 Xxxxxxxx Xxxxxx
to the Issuer) to:		Xxxxxx, XX 00000
		Attention: Xxxx Xxxxx
		Email: xxxxxx@xxxxxx.xxx
		Fax No.: 000.000.0000

13.


If to MD Xxxxxxxx		University of Texas System Board of Regents on behalf of The University of Texas M.D. Xxxxxxxx
		Cancer Center
		Legal Services-Unit 1674
		X.X. Xxx 000000
		Xxxxxxx, Xxxxx 00000-0000

		And

		Legal Services-1MC11.3433
		The University of Texas M. D. Xxxxxxxx Cancer Center
		0000 Xxxxxxx Xxxxxx
		Xxxxxxx, Xxxxx 00000-0000

		Attention: Legal Services

7.8 Waivers. No waiver by either party of any default with respect to any provision, condition or requirement of this Agreement shall be deemed to be a continuing waiver in the future or a waiver of any other provision, condition or requirement hereof, nor shall any delay or omission of any party to exercise any right hereunder in any manner impair the exercise of any such right accruing to it thereafter.

7.9 Successors and Assigns. This Agreement shall be binding upon and inure to the benefit of the parties and their successors and permitted assigns and shall inure to the benefit of each Holder and its successors and assigns. The Issuer may not assign this Agreement or any of its rights or obligations hereunder without the prior written consent of the Holders of at least a majority of all Registrable Securities then outstanding.

7.10 Assignment of Registration Rights. The rights of each Holder hereunder, including the right to have the Issuer register for resale Registrable Securities in accordance with the terms of this Agreement, shall be assignable by each Holder of all or a portion of the Registrable Securities if: (i) the Holder agrees in writing with the transferee or assignee to assign such rights, and a copy of such agreement is furnished to the Issuer within a reasonable time after such assignment, (ii) the Issuer is, within a reasonable time after such transfer or assignment, furnished with written notice of (a) the name and address of such transferee or assignee, and (b) the securities with respect to which such registration rights are being transferred or assigned, (iii) following such transfer or assignment the further disposition of such securities by the transferee or assignees is restricted under the Securities Act and applicable state securities laws, and (iv) at or before the time the Issuer receives the written notice contemplated by clause (ii) of this Section, the transferee or assignee agrees in writing with the Issuer to be bound by all of the provisions of this Agreement. The rights to assignment shall apply to the Holders (and to subsequent) successors and assigns.

7.11 Counterparts. This Agreement may be executed in two (2) or more counterparts, each of which shall be deemed an original, but all of which together shall constitute one and the same instrument. Counterparts may be delivered via facsimile, electronic mail (including pdf or

14.

any electronic signature complying with the U.S. federal ESIGN Act of 2000, e.g., xxx.xxxxxxxx.xxx) or other transmission method and any counterpart so delivered shall be deemed to have been duly and validly delivered and be valid and effective for all purposes.

7.12 Termination. This Agreement shall terminate at the end of the Effectiveness Period, except that Articles IV and V and this Article VII shall remain in effect in accordance with their terms.

7.13 Governing Law; Dispute Resolution. This Agreement will be governed by the laws of the State of Texas without regard to conflict of law principles. In the event of any dispute between the Issuer on the one hand, and MD Xxxxxxxx on the other (a “Dispute”), the Parties agree that such Dispute shall be first submitted for resolution for a period of ten (10) calendar days to designated senior officers of each of the Parties who hold legal authority to resolve and settle such dispute. If any Dispute cannot be resolved and settled within such period, then to the extent authorized by the law governing the power and authority of each Party, the Parties agree to submit such Dispute to full and binding arbitration that will be undertaken and conducted under the auspices of the American Arbitration Association by a panel of three (3) arbitrators pursuant to that organization’s Commercial Arbitration Rules then in effect, as modified by and subject to the following terms:

(a) MD Xxxxxxxx and the Issuer will each choose one arbitrator and those two arbitrators will select the third arbitrator.

(b) The fees and expenses of the arbitrators shall be borne in equal shares by the Parties.

(d) The arbitral tribunal shall not reallocate either the fees and expenses of the arbitrators or of the Parties’ legal representation.

(e) The arbitration shall be held in Nashville, Tennessee, USA which shall be the seat of the arbitration.

(f) The arbitrators may not award, and no Party may seek, indirect, incidental, consequential, punitive, exemplary, special, or enhanced damages, or prejudgment interest, or attorneys’ fees or costs, nor may the arbitrators apply any multiplier to any award of actual damages, except as may be required by statute.

(g) The arbitrators must issue a reasoned award, setting forth the arbitrators’ findings of fact and conclusions of law.

(h) The award of the arbitrators may be entered in any court of competent jurisdiction. The award rendered by the arbitrators shall be final and binding on the Parties, except that the award is subject to limited judicial review and vacatur for the following reasons only: (i) the award was procured by corruption, fraud, or undue means, (ii) the award was tainted by evidence of partiality or corruption by any of the arbitrators, (iii) the award was tainted by

15.

misconduct by any of the arbitrators, (iv) the arbitrators exceeded their powers, and/or (v) the award evidences a manifest disregard of the law or is contrary to public policy. If the Parties are unable to resolve a Dispute through binding arbitration, then any lawsuit pertaining to such Dispute that is brought by one Party against another must be presented to and decided by a state or federal court in the home locale of the defendant party (that being Houston, Texas for MD Xxxxxxxx and Boston, Massachusetts for the Issuer).

7.14 Cumulative Remedies. The remedies provided herein are cumulative and not exclusive of any remedies provided by law.

7.15 Severability. The provisions of this Agreement are severable and, in the event that any court of competent jurisdiction shall determine that any one or more of the provisions or part of the provisions contained in this Agreement shall, for any reason, be held to be invalid, illegal or unenforceable in any respect, such invalidity, illegality or unenforceability shall not affect any other provision or part of a provision of this Agreement and this Agreement shall be reformed and construed as if such invalid or illegal or unenforceable provision, or part of such provision, had never been contained herein, so that such provisions would be valid, legal and enforceable to the maximum extent possible.

7.16 Headings. The headings herein are for convenience only, do not constitute a part of this Agreement and shall not be deemed to limit or affect any of the provisions hereof.

[SIGNATURE PAGES TO FOLLOW]

16.

IN WITNESS WHEREOF, the parties hereto have caused this Registration Rights Agreement to be duly executed by their respective authorized officers as of the date first above written.


THE ISSUER:

ZIOPHARM ONCOLOGY, INC.

By:		/s/ Xxxxxxxx Xxxxx
		Xxxxxxxx Xxxxx, M.D., Ph.D.
		Chief Executive Officer

SIGNATURE PAGE TO REGISTRATION RIGHTS AGREEMENT

IN WITNESS WHEREOF, the parties hereto have caused this Registration Rights Agreement to be duly executed by their respective authorized officers as of the date first above written.


MD XXXXXXXX:

BOARD OF REGENTS OF THE UNIVERSITY OF TEXAS SYSTEM
On behalf of The University of Texas M.D. Xxxxxxxx Cancer Center

By:		/s/ Xxxxxx X. XxXxxxx, MD
Name:		Xxxxxx X. XxXxxxx, MD
Title:		President

SIGNATURE PAGE TO REGISTRATION RIGHTS AGREEMENT

ANNEX A

PLAN OF DISTRIBUTION

The selling stockholders, which as used herein includes donees, pledgees, transferees or other successors-in-interest selling shares of common stock or interests in shares of common stock received after the date of this prospectus from a selling stockholder as a gift, pledge, partnership distribution or other transfer, may, from time to time, sell, transfer or otherwise dispose of any or all of their shares of common stock or interests in shares of common stock on any stock exchange, market or trading facility on which the shares are traded or in private transactions. The selling stockholders may sell their shares of our common stock pursuant to this prospectus at fixed prices, at prevailing market prices at the time of sale, at prices related to the prevailing market price, at varying prices determined at the time of sale, or at negotiated prices.

The selling stockholders may use any one or more of the following methods when disposing of shares or interests therein:

•

ordinary brokerage transactions and transactions in which the broker-dealer solicits purchasers;

•

block trades in which the broker-dealer will attempt to sell the shares as agent, but may position and resell a portion of the block as principal to facilitate the transaction;

•

purchases by a broker-dealer as principal and resale by the broker-dealer for its account;

•

an exchange distribution in accordance with the rules of the applicable exchange;

•

privately negotiated transactions;

•

short sales;

•

through the writing or settlement of options or other hedging transactions, whether through an options exchange or otherwise;

•

broker-dealers may agree with the selling stockholders to sell a specified number of such shares at a stipulated price per share;

•

a combination of any such methods of sale; and

•

any other method permitted pursuant to applicable law.

The selling stockholders may, from time to time, pledge or grant a security interest in some or all of the shares of common stock owned by them and, if they default in the performance of their secured obligations, the pledgees or secured parties may offer and sell the shares of common stock, from time to time, under this prospectus, or under an amendment to this prospectus under Rule 424(b)(3) or other applicable provision of the Securities Act amending the list of selling stockholders to include the pledgee, transferee or other successors in interest as selling stockholders under this prospectus. The selling stockholders also may transfer the shares of common stock in other circumstances, in which case the transferees, pledgees or other successors in interest will be the selling beneficial owners for purposes of this prospectus.

In connection with the sale of our common stock or interests therein, the selling stockholders may enter into hedging transactions with broker-dealers or other financial institutions, which may in turn engage in short sales of the common stock in the course of hedging the positions they assume. The selling stockholders may also sell shares of our common stock short and deliver these securities to close out their short positions, or loan or pledge the common stock to broker-dealers that in turn may sell these securities. The selling stockholders may also enter into option or other transactions with broker-dealers or other financial institutions or the creation of one or more derivative securities which require the delivery to such broker-dealer or other financial institution of shares offered by this prospectus, which shares such broker-dealer or other financial institution may resell pursuant to this prospectus (as supplemented or amended to reflect such transaction).

The aggregate proceeds to the selling stockholders from the sale of the common stock offered by them will be the purchase price of the common stock less discounts or commissions, if any. Each of the selling stockholders reserves the right to accept and, together with their agents from time to time, to reject, in whole or in part, any proposed purchase of common stock to be made directly or through agents. We will not receive any of the proceeds from this offering.

The selling stockholders and any underwriters, broker-dealers or agents that participate in the sale of the common stock or interests therein may be “underwriters” within the meaning of Section 2(11) of the Securities Act. Any discounts, commissions, concessions or profit they earn on any resale of the shares may be underwriting discounts and commissions under the Securities Act. Selling stockholders who are “underwriters” within the meaning of Section 2(11) of the Securities Act will be subject to the prospectus delivery requirements of the Securities Act.

To the extent required, the shares of our common stock to be sold, the names of the selling stockholders, the respective purchase prices and public offering prices, the names of any agents, dealer or underwriter, any applicable commissions or discounts with respect to a particular offer will be set forth in an accompanying prospectus supplement or, if appropriate, a post-effective amendment to the registration statement that includes this prospectus.

In order to comply with the securities laws of some states, if applicable, the common stock may be sold in these jurisdictions only through registered or licensed brokers or dealers. In addition, in some states the common stock may not be sold unless it has been registered or qualified for sale or an exemption from registration or qualification requirements is available and is complied with.

We have advised the selling stockholders that the anti-manipulation rules of Regulation M under the Exchange Act may apply to sales of shares in the market and to the activities of the selling stockholders and their affiliates. In addition, we will make copies of this prospectus (as it may be supplemented or amended from time to time) available to the selling stockholders for the purpose of satisfying the prospectus delivery requirements of the Securities Act. The selling stockholders may indemnify any broker-dealer that participates in transactions involving the sale of the shares against certain liabilities, including liabilities arising under the Securities Act.

We have agreed to indemnify the selling stockholders against liabilities, including liabilities under the Securities Act and state securities laws, relating to the registration of the shares offered by this prospectus.

We have agreed with the selling stockholders to keep the registration statement of which this prospectus constitutes a part effective until such time as the shares offered by the selling stockholders have been effectively registered under the Securities Act and disposed of in accordance with such registration statement, the shares offered by the selling stockholders have been disposed of pursuant to Rule 144 under the Securities Act or the shares offered by the selling stockholders may be resold pursuant to Rule 144 without restriction or limitation (including without the requirement to be in compliance with Rule 144(c)(1)) or another similar exemption under the Securities Act.

ANNEX B

SELLING STOCKHOLDER NOTICE AND QUESTIONNAIRE

ZIOPHARM Oncology, Inc.

Selling Stockholder Notice and Questionnaire

The undersigned beneficial owner of common stock, $0.001 par value per share (the “Common Stock”), of ZIOPHARM Oncology, Inc. (the “Company”), (the “Registrable Securities”) understands that the Company has filed or intends to file with the Securities and Exchange Commission (the “Commission”) a registration statement (the “Registration Statement”) for the registration and resale under Rule 415 of the Securities Act of 1933, as amended (the “Securities Act”), of the Registrable Securities, in accordance with the terms of the Registration Rights Agreement, dated as of January 13, 2015 (the “Registration Rights Agreement”), among the Company and the Purchasers named therein. The purpose of this Questionnaire is to facilitate the filing of the Registration Statement under the Act that will permit you to resell the Registrable Securities in the future. The information supplied by you will be used in preparing the Registration Statement. All capitalized terms not otherwise defined herein shall have the meanings ascribed thereto in the Registration Rights Agreement.

Certain legal consequences arise from being named as a selling stockholder in the Registration Statement and the related Prospectus. Accordingly, holders and beneficial owners of Registrable Securities are advised to consult their own securities law counsel regarding the consequences of being named or not being named as a selling stockholder in the Registration Statement and the related Prospectus.

NOTICE

The undersigned beneficial owner (the “Selling Stockholder”) of Registrable Securities hereby elects to include the Registrable Securities owned by it and listed below in Item 3 (unless otherwise specified under such Item 3) in the Registration Statement.

QUESTIONNAIRE

Name.

(a)

Full Legal Name of Selling Stockholder

(b)

Full Legal Name of Registered Holder (if not the same as (a) above) through which Registrable Securities Listed in Item 3 below are held:

(c)

Full Legal Name of Natural Control Person (which means a natural person who directly or indirectly alone or with others has power to vote or dispose of the securities covered by the questionnaire):

2.	Address for Notices to Selling Stockholder:



Telephone:



Fax:



Contact Person:



E-mail address of Contact Person:

3.	Beneficial Ownership of Registrable Securities:

(a)

Type and Number of Registrable Securities beneficially owned:

4.	Broker-Dealer Status:

(a)

Are you a broker-dealer?

Yes ¨ No ¨

Note:

If yes, the Commission’s staff has indicated that you should be identified as an underwriter in the Registration Statement.

(b)

Are you an affiliate of a broker-dealer?

Yes ¨ No ¨

Note:

If yes, provide a narrative explanation below:

(c)

If you are an affiliate of a broker-dealer, do you certify that you bought the Registrable Securities in the ordinary course of business, and at the time of the purchase of the Registrable Securities to be resold, you had no agreements or understandings, directly or indirectly, with any person to distribute the Registrable Securities?

Yes ¨ No ¨

Note:

If no, the Commission’s staff has indicated that you should be identified as an underwriter in the Registration Statement.

5.	Beneficial Ownership of Other Securities of the Company Owned by the Selling Stockholder.

Except as set forth below in this Item 5, the undersigned is not the beneficial or registered owner of any securities of the Company other than the Registrable Securities listed above in Item 3.

(a)

As of , 201 , the Selling Stockholder owned outright (including shares registered in Selling Stockholder’s name individually or jointly with others, shares held in the name of a bank, broker, nominee, depository or in “street name” for its account), shares of the Company’s capital stock (excluding the Registrable Securities). If “zero,” please so state.

(b)

In addition to the number of shares Selling Stockholder owned outright as indicated in Item 5(a) above, as of , 201 , the Selling Stockholder had or shared voting power or investment power, directly or indirectly, through a contract, arrangement, understanding, relationship or otherwise, with respect to shares of the Company’s capital stock (excluding the Registrable Securities). If “zero,” please so state.

If the answer to Item 5(b) is not “zero,” please complete the following tables:

Sole Voting Power:


Number of Shares		Nature of Relationship Resulting in Sole Voting Power

Shared Voting Power:


Number of Shares	With Whom Shared	Nature of Relationship

Sole Investment power:


Number of Shares		Nature of Relationship Resulting in Sole Investment Power

Shared Investment power:


Number of Shares	With Whom Shared	Nature of Relationship

(c)

As of , 201 , the Selling Stockholder had the right to acquire the following shares of the Company’s common stock pursuant to the exercise of outstanding stock options, warrants or other rights (excluding the Registrable Securities). Please describe the number, type and terms of the securities, the method of ownership, and whether the undersigned holds sole or shared voting and investment power. If “none”, please so state.

6.	Relationships with the Company:

Except as set forth below, neither the undersigned nor any of its affiliates, officers, directors or principal equity holders (owners of 5% of more of the equity securities of the undersigned) has held any position or office or has had any other material relationship with the Company (or its predecessors or affiliates) during the past three years.

State any exceptions here:

7.	Plan of Distribution:

The undersigned has reviewed the form of Plan of Distribution attached as Annex A to the Registration Rights Agreement, and hereby confirms that, except as set forth below, the information contained therein regarding the undersigned and its plan of distribution is correct and complete.

State any exceptions here:

***********

The undersigned agrees to promptly notify the Company of any inaccuracies or changes in the information provided herein that may occur subsequent to the date hereof and prior to the effective date of any applicable Registration Statement filed pursuant to the Registration Rights Agreement.

By signing below, the undersigned consents to the disclosure of the information contained herein in its answers to Items 1 through 7 and the inclusion of such information in each Registration Statement filed pursuant to the Registration Rights Agreement and each related Prospectus. The undersigned understands that such information will be relied upon by the Company in connection with the preparation or amendment of any such Registration Statement and the related Prospectus.

By signing below, the undersigned acknowledges that it understands its obligation to comply, and agrees that it will comply, with the provisions of the Exchange Act and the rules and regulations thereunder, particularly Regulation M. The undersigned also acknowledges that it understands that the answers to this Questionnaire are furnished for use in connection with Registration Statements filed pursuant to the Registration Rights Agreement and any amendments or supplements thereto filed with the Commission pursuant to the Securities Act.

The undersigned hereby acknowledges and is advised of the following Interpretation A.65 of the July 1997 SEC Manual of Publicly Available Telephone Interpretations regarding short selling:

“An Issuer filed a Form S-3 registration statement for a secondary offering of common stock which is not yet effective. One of the selling shareholders wanted to do a short sale of common stock “against the box” and cover the short sale with registered shares after the effective date. The issuer was advised that the short sale could not be made before the registration statement become effective, because the shares underlying the short sale are deemed to be sold at the time such sale is made. There would, therefore, be a violation of Section 5 if the shares were effectively sold prior to the effective date.”

By returning this Questionnaire, the undersigned will be deemed to be aware of the foregoing interpretation.

I confirm that, to the best of my knowledge and belief, the foregoing statements (including without limitation the answers to this Questionnaire) are correct.

IN WITNESS WHEREOF the undersigned, by authority duly given, has caused this Questionnaire to be executed and delivered either in person or by its duly authorized agent.


Dated:						Beneficial Owner:


				By:

						Name:

						Title:

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REGISTRATION RIGHTS AGREEMENT

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