SECURITIES PURCHASE AGREEMENT

This SECURITIES PURCHASE AGREEMENT (this "Agreement"), dated as of July 29, 2009, by and among Senesco Technologies, Inc., a Delaware corporation (the "Company"), and Cato Holding Company, a North Carolina corporation ( the "Purchaser").

WHEREAS , the Company is currently indebted to Purchaser in an amount in excess of one hundred seventy-five thousand dollars (US$175,000); and

WHEREAS , the Purchaser is willing to purchase certain securities from the Company in exchange for the indebtedness and the Company is willing to issue such securities pursuant to the terms of this Agreement; ;

NOW, THEREFORE , in consideration of the promises and the mutual covenants contained herein, the parties hereto, intending to be legally bound, hereby agree as follows:

A.            Purchase and Sale .  Subject to the terms and conditions of this Agreement and on the basis of the representations, warranties, covenants and agreements herein contained, the Purchaser agrees to purchase at the Closing and the Company hereby agrees to sell and issue to the Purchaser at the Closing the following securities:  (a) one hundred ninety-four thousand four hundred forty-four (194,444) shares (the "Shares") of the Company's common stock, $0.01 par value per share (the "Common Stock"); (b) a warrant to purchase one hundred seventy-five thousand (175,000) shares of Common Stock at an exercise price of $0.01 per share (“Warrant A”); and (c) a warrant to purchase one hundred seventy-seven thousand, four hundred thirty-one (177,431) shares of Common Stock at an exercise price of $0.60 per share (“Warrant B” and collectively with Warrant A,  the "Warrants").    The Warrants, together with the Shares, shall be referred to herein collectively as the "Securities."

B.            Price .  The purchase price for the Securities shall be one hundred seventy-five thousand dollars (US$175,000).

C.            Warrant A .  Warrant A shall (i) be in the form of Exhibit A attached hereto,  (ii) have a seven (7) year term, (iii) be exercisable immediately, and (iv) entitle the Purchaser and/or its designees, as the case may be,  to purchase an aggregate of 175,000 shares of the Company’s Common Stock at an exercise price of $0.01 per share.

D.            Warrant B .  Warrant B shall (i) be in the form of Exhibit B attached hereto, (ii) have a seven (7) year term, (iii) be exercisable in full beginning six (6) months from the date of issuance, and (iv) entitle the Purchaser and/or its designees, as the case may be, to purchase an aggregate of 177,431 shares of the Company’s Common Stock at an exercise price of $0.60 per share..

Except as disclosed in the Schedules attached hereto (“Schedules”) or as disclosed in, and reasonably apparent from, any report, schedule, form or other document filed with, or furnished to, the U.S. Securities and Exchange Commission (“SEC”) and publicly available prior to the date of this Agreement, the Company represents and warrants to, and covenants and agrees with, the Purchaser, as of the date hereof, that:

A.            Organization; Good Standing .  The Company is a corporation duly organized, validly existing and in good standing under the laws of the State of Delaware and has full corporate power and authority to own its properties and to conduct the business in which it is now engaged.

B.            Authority .  Except as set forth on Schedule IIB, the Company has the full corporate power, authority and legal right to execute and deliver this Agreement and to perform all of its obligations and covenants hereunder, and no consent or approval of any other person or governmental authority is required therefore.  The execution and delivery of this Agreement by the Company, the performance by the Company of its obligations and covenants hereunder and the consummation by the Company of the transactions contemplated hereby have been duly authorized by all necessary corporate action.  This Agreement constitutes a valid and legally binding obligation of the Company, enforceable against the Company in accordance with its terms, except as the enforceability thereof may be limited by bankruptcy, insolvency or other similar laws affecting the enforceability of creditors' rights in general or by general principles of equity.

C.            No Legal Bar; Conflicts .  Neither the execution and delivery of this Agreement, nor the consummation of the transactions contemplated hereby, violates any provision of the Certificate of Incorporation, as amended, or By-Laws of the Company or any law, statute, ordinance, regulation, order, judgment or decree of any court or governmental agency, or conflicts with or results in any breach of any of the terms of or constitutes a default under or results in the termination of or the creation of any lien pursuant to the terms of any contract or agreement to which the Company is a party or by which the Company or any of its assets is bound.

D.            Non-Assessable Shares .  The Securities being issued hereunder, subject to the Company’s receipt of stockholder approval for an increase in the number of its authorized shares, will be duly authorized and, the Shares, when issued to the Purchaser for the consideration herein provided, and the shares of Common Stock issued upon the proper exercise of the Warrants, will be validly issued, fully paid and non-assessable.

E.            SEC Documents; Financial Statements .  During the two years prior to the date hereof, the Company has timely filed all reports, schedules, forms, statements and other documents required to be filed by it with the the SEC pursuant to the reporting requirements of the Securities Exchange Act of 1934 (the “1934 Act”) (all of the foregoing filed prior to the date

hereof or prior to the Closing Date, and all exhibits included therein and financial statements and schedules thereto and documents incorporated by reference therein being hereinafter referred to as the "SEC Documents").  The Company has made available to the Purchaser or their respective representatives true, correct and complete copies of the SEC Documents not available on the EDGAR system.  As of their respective dates, the SEC Documents complied in all material respects with the requirements of the 1934 Act and the rules and regulations of the SEC promulgated thereunder applicable to the SEC Documents, and none of the SEC Documents, at the time they were filed with the SEC, contained any untrue statement of a material fact or omitted to state a material fact required to be stated therein or necessary in order to make the statements therein, in the light of the circumstances under which they were made, not misleading.  As of their respective dates, the financial statements of the Company included in the SEC Documents complied as to form in all material respects with applicable accounting requirements and the published rules and regulations of the SEC with respect thereto.  Such financial statements have been prepared in accordance with generally accepted accounting principles, consistently applied, during the periods involved (except (i) as may be otherwise indicated in such financial statements or the notes thereto, or (ii) in the case of unaudited interim statements, to the extent they may exclude footnotes or may be condensed or summary statements) and fairly present in all material respects the financial position of the Company as of the dates thereof and the results of its operations and cash flows for the periods then ended (subject, in the case of unaudited statements, to normal year-end audit adjustments).  No other information provided by or on behalf of the Company to the Purchaser which is not included in the SEC Documents, including, without limitation, information provided to any Purchaser by the Company in anticipation of this transaction, contains any untrue statement of a material fact or omits to state any material fact necessary in order to make the statements therein, in the light of the circumstance under which they are or were made, not misleading.

F.            Absence of Certain Changes .  Except in the ordinary course of business, since July 28, 2009, there has been no material adverse change and no material adverse development in the business, properties, operations, condition (financial or otherwise), results of operations or prospects of the Company or its subsidiaries.  Since July 28, 2009, the Company has not (i) declared or paid any dividends, (ii) sold any assets, individually or in the aggregate, in excess of $500,000 outside of the ordinary course of business or (iii) had capital expenditures, individually or in the aggregate, in excess of $500,000.  The Company has not taken any steps to seek protection pursuant to any bankruptcy law nor does the Company have any knowledge or reason to believe that its creditors intend to initiate involuntary bankruptcy proceedings or any actual knowledge of any fact which would reasonably lead a creditor to do so.

G.            No Undisclosed Events, Liabilities, Developments or Circumstances .  Except as set forth on Schedule IIG, no event, liability, development or circumstance has occurred or exists, or is contemplated to occur, with respect to the Company or its subsidiaries or their respective business, properties, prospects, operations or financial condition, that would be required to be disclosed by the Company under applicable securities laws on a registration statement on Form S-1 filed with the SEC relating to an issuance and sale by the Company of its Common Stock and which has not been publicly announced.

H.            Foreign Corrupt Practices .  Neither the Company, nor any of its subsidiaries, nor any director, officer, agent, employee or other person acting on behalf of the Company or any of

its subsidiaries has, in the course of its actions for, or on behalf of, the Company (i) used any corporate funds for any unlawful contribution, gift, entertainment or other unlawful expenses relating to political activity; (ii) made any direct or indirect unlawful payment to any foreign or domestic government official or employee from corporate funds; (iii) violated or is in violation of any provision of the U.S. Foreign Corrupt Practices Act of 1977, as amended; or (iv) made any unlawful bribe, rebate, payoff, influence payment, kickback or other unlawful payment to any foreign or domestic government official or employee.

I.            Sarbanes-Oxley Act .  The Company is in compliance with any and all applicable requirements of the Sarbanes-Oxley Act of 2002 that are effective as of the date hereof, and any and all applicable rules and regulations promulgated by the SEC thereunder that are effective as of the date hereof, except where such noncompliance would not have, individually or in the aggregate, a material adverse effect.

J.            Intellectual Property Rights .  The Company and its subsidiaries own or possess adequate rights or licenses to use all trademarks, trade names, service marks, service mark registrations, service names, patents, patent rights, copyrights, inventions, licenses, approvals, governmental authorizations, trade secrets and other intellectual property rights ("Intellectual Property Rights") necessary to conduct their respective businesses as now conducted.  None of the Company's Intellectual Property Rights have expired or terminated, or are expected to expire or terminate within three years from the date of this Agreement, except for rights which are not necessary to conduct its business as now conducted.  The Company does not have any knowledge of any infringement by the Company or its subsidiaries of Intellectual Property Rights of others.  There is no claim, action or proceeding being made or brought, or to the knowledge of the Company, being threatened, against the Company or any of its subsidiaries regarding its Intellectual Property Rights.  The Company is unaware of any facts or circumstances which might give rise to any of the foregoing infringements or claims, actions or proceedings.  The Company and its subsidiaries have taken reasonable security measures to protect the secrecy, confidentiality and value of all of their Intellectual Property Rights.

The Purchaser represents and warrants to, and covenants and agrees with, the Company, as of the date hereof, that:

A.            Organization .  The Purchaser is, and as of the Closing will be, duly organized, validly existing and in good standing under the laws of its jurisdiction of organization.

B.             Authorization .  The Purchaser has, and as of the Closing will have, all requisite power and authority to execute, deliver and perform this Agreement and to consummate the transactions contemplated hereby.  The execution, delivery and performance of this Agreement, and the consummation of the transactions contemplated hereby, have been duly and validly authorized by all necessary action on the part of the Purchaser.  This Agreement has been duly executed and delivered by the Purchaser and constitutes its legal, valid and binding obligation, enforceable against the Purchaser in accordance with its terms, except as the enforceability

thereof may be limited by bankruptcy, insolvency or other similar laws affecting the enforceability of creditors' rights in general or by general principles of equity.

C.            No Legal Bar; Co