SECURITIES PURCHASE AGREEMENT

SECURITIES PURCHASE AGREEMENT

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Exhibit 4.1

This Securities Purchase Agreement (this “Agreement”) is dated as of July 18, 2007, by and among Oragenics, Inc, a Florida corporation (the “Company) and the individuals or entities set forth on the signature page to this Agreement (each a “Purchaser” and collectively the “Purchasers”).

WHEREAS, subject to the terms and conditions set forth in this Agreement and pursuant to applicable exemptions from registration under the Securities Act of 1933, the Company desires to issue and sell to each Purchaser, and each Purchaser, severally and not jointly, desires to purchase from the Company shares of Common Stock and Warrants to purchase shares of Common Stock as set forth herein.

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 parties agree as follows:

DEFINITIONS

Definitions. In addition to the terms defined elsewhere in this Agreement, for all purposes of this Agreement, the following terms have the meanings indicated in this Section 1.1:

“Action” shall have the meaning ascribed to such term in Section 3.1(j).

“Affiliate” means any Person that, directly or indirectly through one or more intermediaries, controls or is controlled by or is under common control with a Person as such terms are used in and construed under Rule 144. With respect to a Purchaser, any investment fund or managed account that is managed on a discretionary basis by the same investment manager as such Purchaser will be deemed to be an Affiliate of such Purchaser.

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

“Closing” means the closing of the purchase and sale of the Shares and the Warrants pursuant to Section 2.1.

“Closing Date” means the date of the Closing.

“Commission” means the Securities and Exchange Commission.

“Common Stock” means the common stock of the Company, $0.001 par value per share, and any securities into which such common stock may hereafter be reclassified.

“Disclosures” means the Disclosure Schedules, if any, attached as Annex I hereto.

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

“Intellectual Property Rights” shall have the meaning ascribed to such term in Section 3.1(o).

“Liens” means a lien, charge, security interest, encumbrance, right of first refusal or other restriction.

“Material Adverse Effect” shall have the meaning ascribed to such term in Section 3.1(b).

“Material Permits” shall have the meaning ascribed to such term in Section 3.1(m).

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

“Purchase Price” means, as to each Purchaser and the Closing, the amounts set forth below such Purchaser’s signature block on the signature page hereto, in United States dollars and in immediately available funds. This amount is $0.25 per share of Common Stock up to 4,600,000 shares of Common Stock except for any director or employee of the Company of which the price will be the current market price at the date of the Binding Agreement with the investors.

“Registration Rights Agreement” means the Registration Rights Agreement, dated as of the date of this Agreement, among the Company and each Purchaser, in the form of Exhibit A hereto.

“Registration Statement” means a registration statement meeting the requirements set forth in the Registration Rights Agreement and covering the resale by the Purchasers of the Shares and the Warrant Shares.

“Rights of First Refusal” shall have the meaning ascribed to such term in Section 4.2.

“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.

“SEC Reports” shall have the meaning ascribed to such term in Section 3.1(h).

“Securities” means the Shares, the Warrants and the Warrant Shares.

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

“Shares” means the aggregate up to 4,600,000 shares of Common Stock, of which are being issued and sold by the Company to the Purchasers at the Closing.

“Transaction Documents” means this Agreement, the Registration Rights Agreement, the Warrant and any other documents or written agreements executed by the Company and the Purchasers in connection with the transactions contemplated hereunder.

“Warrants” means the aggregate of up to 4,600,000 Common Stock purchase warrants, in the form of Exhibit A, to be issued to the Purchasers at Closing Date.

“Warrant Shares” means the shares of Common Stock issuable upon exercise of the Warrants.

“Warrant Terms” mean the Purchaser shall receive 100% warrant coverage (“Warrant” or “Warrant Shares”). The warrant coverage shall be exercisable for a period of one (1) year from Closing Date after a vesting period of six (6) months from the Closing Date of this agreement at the strike price that is the higher of $0.50 or the 10-day weighted average closing price for the ten trading days prior to the Closing Date.

PURCHASE AND SALE

Purchase and Sale of Securities and Closing. At the Closing, Purchasers shall purchase, severally and not jointly, and the Company shall issue and sell to the Purchasers up to 4,600,000 shares of Common Stock and Warrants to purchase up to 4,600,000 shares of Common Stock as set forth opposite such Purchaser’s name on the signature page hereto for an aggregate purchase price of up to $1,171,591 USD. The Closing shall occur on or before August 7, 2007 at the offices of Xxxxxxxx, Loop & Xxxxxxxx, LLP, 000 Xxxxxxx Xxxxxxxxx, Xxxxx 0000, Xxxxx, Xxxxxxx 00000-0000, or such other time and/or location as the parties shall mutually agree.

Notwithstanding anything herein to the contrary, this Agreement is non-binding on the Parties until such time as the application by the Company for listing of the Shares contemplated to be sold hereby shall be approved by the American Stock Exchange and the American Stock Exchange has provided written notification to the Company of such approval. Upon obtaining the signatures of Purchaser hereon for the Purchase of the Shares, the Company will submit the listing application and fee to AMEX.

Closing Conditions.

At the Closing the Company shall be obligated to deliver or cause to be delivered to each Purchaser:

one or more stock certificates in the name of such Purchaser evidencing such number of Shares set forth opposite such Purchaser’s name on the signature page hereto;

a warrant certificate, registered in the name of such Purchaser, pursuant to which such Purchaser shall have the right to acquire up to the number of Warrant Shares set forth opposite such Purchaser’s name on the signature page hereto;

the Registration Rights Agreement duly executed by the Company.

(b) At the Closing each Purchaser shall deliver or cause to be delivered to the Company the following:

such Purchaser’s portion of the Purchase Price by wire transfer to the account of the Company as provided to the Purchasers in writing prior to the Closing Date; and

the Registration Rights Agreement duly executed by such Purchaser.

All representations and warranties of the other party contained herein shall remain true and correct as of the Closing Date (except for representations and warranties that speak as of a specific date, which representations and warranties must be correct as of such date), all necessary consents and waivers of third parties shall have been obtained and each party shall have performed and complied in all material respects with the covenants and conditions required by this Agreement to be performed or complied with by the party at or prior to the Closing.

REPRESENTATIONS AND WARRANTIES

Representations and Warranties of the Company. Except as set forth in the SEC Reports or under the corresponding section of the Disclosure Schedules delivered concurrently herewith, the Company makes the following representations and warranties as of the date hereof and as of the Closing Date to each Purchaser:

Subsidiaries. The Company has no direct or indirect Subsidiaries.

Organization and Qualification. The Company is an entity duly incorporated or otherwise organized, validly existing and in good standing under the laws of the jurisdiction of its incorporation or organization (as applicable), with the requisite corporate power and authority to own and use its properties and assets and to carry on its business as currently conducted. The Company is not in violation of any of the provisions of its certificate or articles of incorporation, bylaws or other organizational or charter documents. The Company is duly qualified to conduct business and is in good standing as a foreign corporation or other entity in each jurisdiction in which the nature of the business conducted or property owned by it makes such qualification necessary, except where the failure to be so qualified or in good standing, as the case may be, would not have or reasonably be expected to result in (i) a material adverse effect on the legality, validity or enforceability of any Transaction Document, (ii) a material adverse effect on the results of operations, assets, prospects, business or condition (financial or otherwise) of the Company, taken as a whole, or (iii) adversely impair the Company’s ability to perform fully on a timely basis its obligations under any Transaction Document (any of (i), (ii) or (iii), a “Material Adverse Effect”).

Authorization; Enforcement. The Company has the requisite corporate power and authority to enter into and to consummate the transactions contemplated by each of the Transaction Documents and otherwise to carry out its obligations hereunder and thereunder. The execution and delivery of each of the Transaction Documents by the Company and the consummation by it of the transactions contemplated hereby and thereby have been duly authorized by all necessary action on the part of the Company and no further consent or action is required by the Company, its Board of Directors or its stockholders. Each Transaction Document has been (or upon delivery will have been) duly executed by the Company and, when delivered in accordance with the terms hereof, will constitute the valid and binding obligation of the Company, enforceable against the Company in accordance with its terms, except (i) as limited by general equitable principles and applicable bankruptcy, insolvency, reorganization, moratorium and other laws of general application affecting enforcement of creditors’ rights generally, (ii) as limited by laws relating to the availability of specific performance, injunctive relief or other equitable remedies and (iii) insofar as indemnification and contribution provisions may be limited by applicable law.

No Conflicts. The execution, delivery and performance of the Transaction Documents by the Company and the consummation by the Company of the transactions contemplated hereby and thereby do not and will not (i) conflict with or violate any provision of the Company’s certificate or articles of incorporation, bylaws or other organizational or charter documents, or (ii) conflict with, or constitute a default (or an event that with notice or lapse of time or both would become a default) under, or give to others any rights of termination, amendment, acceleration or cancellation (with or without notice, lapse of time or both) of, any agreement, credit facility, debt or other instrument (evidencing a Company debt or otherwise) or other understanding to which the Company is a party or by which any property or asset of the Company is bound or affected, or (iii) result in a violation of any law, rule, regulation, order, judgment, injunction, decree or other restriction of any court or governmental authority to which the Company is subject (including federal and state securities laws and regulations), or by which any property or asset of the Company is bound or affected; except in the case of each of clauses (ii) and (iii), such as would not have or reasonably be expected to result in a Material Adverse Effect.

Filings, Consents and Approvals. The Company is not required to obtain any consent, waiver, authorization or order of, give any notice to, or make any filing or registration with, any court or other federal, state, local or other governmental authority or other Person in connection with the execution, delivery and performance by the Company of the Transaction Documents, other than (a) the filing with the Commission of the Registration Statement, the application(s) to each Trading Market for the listing of the Shares and Warrant Shares for trading thereon in the time and manner required thereby, and applicable Blue Sky filings, (b) such as have already been obtained or such exemptive filings as are required to be made under applicable securities laws, and (c) such other filings as may be required following the Closing Date under the Securities Act, the Exchange Act and corporate law.

Issuance of the Securities. The Securities are duly authorized and, the Shares and Warrant Shares, when issued and paid for in accordance with the Transaction Documents, will be duly and validly issued, fully paid and nonassessable, free and clear of all Liens and shall not be subject to preemptive rights or similar rights of stockholders. The Company has reserved from its duly authorized capital stock the maximum number of shares of Common Stock issuable pursuant to this Agreement and the Warrants.

Capitalization. The number of shares and type of all authorized, issued and outstanding capital stock, options and other securities of the Company (whether or not presently convertible into or exercisable or exchangeable for shares of capital stock of the Company) is as set forth in the SEC Reports except for 200,000 shares to be issued to Objective Equity, LLC. All outstanding shares of capital stock are duly authorized, validly issued, fully paid and nonassessable and have been issued in compliance with all applicable securities laws. Except as disclosed in the SEC Reports, there are no outstanding options, warrants, script rights to subscribe to, calls or commitments of any character whatsoever relating to, or securities, rights or obligations convertible into or exercisable or exchangeable for, or giving any Person any right to subscribe for or acquire, any shares of Common Stock, or contracts, commitments, understandings or arrangements by which the Company is or may become bound to issue additional shares of Common Stock, or securities or rights convertible or exchangeable into shares of Common Stock except the Fusion Capital Stock Purchase Agreement and the Objective Equity Advisory Agreement. Except as set forth in the SEC Reports, there are no anti-dilution or price adjustment provisions contained in any security issued by the Company (or in any agreement providing rights to security holders) and the issue and sale of the Company Securities will not obligate the Company to issue shares of Common Stock or other securities to any Person (other than the Purchasers) and will not result in a right of any holder of Company securities to adjust the exercise, conversion, exchange or reset price under such securities.

SEC Reports; Financial Statements.

The Company has filed all reports required to be filed by it under the Securities Act and the Exchange Act, including pursuant to Section 13(a) or 15(d) of the Exchange Act, for the two years preceding the date hereof (or such shorter period as the Company was required by law to file such material) (the foregoing materials, including the exhibits thereto (together with any materials filed by the Company under the Exchange Act, whether or not required), being collectively referred to herein as the “SEC Reports” and, together with this Agreement and the Disclosure Schedules to this Agreement, the “Disclosure Materials”) on a timely basis or has received a valid extension of such time of filing and has filed any such SEC Reports prior to the expiration of any such extension. True and complete copies of the SEC Reports are available at xxx.xxx.xxx.

As of their respective dates, the SEC Reports complied in all material respects with the requirements of the Securities Act and the Exchange Act and the rules and regulations of the Commission promulgated thereunder, as applicable, and none of the SEC Reports, when filed, 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.

The financial statements of the Company included in the SEC Reports comply in all material respects with applicable accounting requirements and the rules and regulations of the Commission with respect thereto as in effect at the time of filing. Such financial statements have been prepared in accordance with generally accepted accounting principles applied on a consistent basis during the periods involved (“GAAP”), except as may be otherwise specified in such financial statements or the notes thereto and except that unaudited financial statements may not contain all footnotes required by GAAP or may be condensed or summary statements, and fairly present in all material respects the financial position of the Company and its consolidated subsidiaries as of and for the dates thereof and the results of operations and cash flows for the periods then ended, subject, in the case of unaudited statements, to normal, immaterial, year-end audit adjustments.

All material agreements to which the Company is a party or to which the property or assets of the Company are subject are included as part of or specifically identified in the SEC Reports. Other than the material contracts listed in the SEC Reports, or as otherwise provided to the Purchasers, the Company has no material contracts. Except as set forth in the SEC Reports, the Company is not in breach or violation of any material contract, which breach or violation would have a Material Adverse Effect.

Absence of Material Changes. Since the date of the latest audited financial statements included within the SEC Reports, except as disclosed in the SEC Reports, (i) there has been no event, occurrence or development that has had or that could reasonably be expected to result in a Material Adverse Effect, (ii) the Company has not incurred any liabilities (contingent or otherwise) other than (A) trade payables and accrued expenses incurred in the ordinary course of business consistent with past practice and (B) liabilities not required to be reflected in the Company’s financial statements pursuant to GAAP or required to be disclosed in filings made with the Commission, (iii) the Company has not altered its method of accounting or the identity of its auditors, (iv) the Company has not declared or made any dividend or distribution of cash or other property to its stockholders or purchased, redeemed or made any agreements to purchase or redeem any shares of its capital stock except the Advisory Agreement with Objective Equity, LLC and (v) the Company has not issued any equity securities to any officer, director or Affiliate, except pursuant to existing Company stock option plans and agreements.

Litigation. Except as disclosed in the SEC Reports, there is no action, suit, inquiry, notice of violation, proceeding or investigation pending or, to the knowledge of the Company, threatened against or affecting the Company, or its properties before or by any court, arbitrator, governmental or administrative agency or regulatory authority (federal, state, county, local or foreign) (collectively, an “Action”) which (i) adversely affects or challenges the legality, validity or enforceability of any of the Transaction Documents or the Securities or (ii) could, if there were an unfavorable decision, have or reasonably be expected to result in a Material Adverse Effect.

Labor Relations. The Company is not involved in any material union labor dispute nor, to the knowledge of the Company, is any such dispute threatened. The Company believes that their relations with their employees are good. No executive officer (as defined in Rule 501(f) of the Securities Act) has notified the Company that such officer intends to leave the Company or otherwise terminate such officer’s employment with the Company. The Company is in compliance with all federal, state, local and foreign laws and regulations respecting employment and employment practices, terms and conditions of employment and wages and hours, except where failure to be in compliance would not, either individually or in the aggregate, result in a Material Adverse Effect.

Compliance. Except as disclosed in the SEC Reports, the Company (i) is not in default under or in violation of (and no event has occurred that has not been waived that, with notice or lapse of time or both, would result in a default by the Company or any Subsidiary under), nor has the Company received notice of a claim that it is in default under or that it is in violation of, any indenture, loan or credit agreement or any other agreement or instrument to which it is a party or by which it or any of its properties is bound (whether or not such default or violation has been waived), (ii) is not in violation of any order of any court, arbitrator or governmental body, or (iii) is not or has been in violation of any statute, rule or regulation of any governmental authority, including without limitation all foreign, federal, state and local laws applicable to its business, except in the case of clauses (i), (ii) and (iii) as would not have or reasonably be expected to result in a Material Adverse Effect.

Regulatory Permits. The Company possesses all certificates, authorizations and permits issued by the appropriate federal, state, local or foreign regulatory authorities necessary to conduct its current business as described in the SEC Reports, except where the failure to possess such permits would not have or reasonably be expected to result in a Material Adverse Effect (“Material Permits”), and the Company has not received any notice of proceedings relating to the revocation or modification of any Material Permit.

Title to Assets. The Company has good and marketable title in fee simple to all real property owned by it and good and marketable title in all personal property owned by it, in each case free and clear of all Liens, except for Liens as do not materially affect the value of such property and do not materially interfere with the use made and proposed to be made of such property by the Company and Liens for the payment of federal, state or other taxes, the payment of which is neither delinquent nor subject to penalties. To the knowledge of the Company, any real property and facilities held under lease by the Company are held by it under valid, subsisting and enforceable leases with which the Company is in material compliance.

Patents and Trademarks. The Company has, or has rights to use, all patents, patent applications, trademarks, trademark applications, service marks, trade names, copyrights, licenses and other similar rights that are necessary or material for use in connection with their respective businesses as described in the SEC Reports and which the failure to so have could have or reasonably be expected to result in a Material Adverse Effect (collectively, the “Intellectual Property Rights”). The Company has not received a written notice that the Intellectual Property Rights used by the Company violates or infringes the rights of any Person. To the knowledge of the Company, all such Intellectual Property Rights are enforceable and there is no existing infringement by another Person of any of the Intellectual Property Rights.

Insurance. The Company is insured by insurers of recognized financial responsibility against such losses and risks and in such amounts as are prudent and customary in the businesses in which the Company is engaged. The Company has no reason to believe that it will not be able to renew its existing insurance coverage as and when such coverage expires or to obtain similar coverage from similar insurers as may be necessary to continue its business.

Transactions With Affiliates and Employees. Except as set forth in the SEC Reports, none of the officers or directors of the Company and, to the knowledge of the Company, none of the employees of the Company is presently a party to any transaction with the Company (other than for services as employees, officers and directors), including any contract, agreement or other arrangement providing for the furnishing of services to or by, providing for rental of real or personal property to or from, or otherwise requiring payments to or from any officer, director or such employee or, to the knowledge of the Company, any entity in which any officer, director, or any such employee has a substantial interest or is an officer, director, trustee or partner.

Certain Fees. No brokerage or finder’s fees or commissions are or will be payable by the Company to any broker, financial advisor or consultant, finder, placement agent, investment banker, bank or other Person with respect to the transactions contemplated by this Agreement. The Purchasers shall have no obligation with respect to any fees or with respect to any claims made by or on behalf of other Persons for fees of a type contemplated in this Section that may be due in connection with the transactions contemplated by this Agreement.

Private Placement. Assuming the accuracy of the Purchasers representations and warranties set forth in Section 3.2 and assuming no unlawful distribution of the Securities by the Purchasers, no registration under the Securities Act is required for the offer and sale of the Securities by the Company to the Purchasers as contemplated hereby. The issuance and sale of the Securities hereunder does not contravene the rules and regulations of the American Stock Exchange. Neither the Company nor any Person acting on the Company’s behalf has sold or offered to sell or solicited any offer to buy the Securities by means of any form of general solicitation or advertising. The Company has offered the Shares for sale only to the Purchasers.

Registration Rights. Except as described in the SEC Reports and the Purchasers, no Person has any right to cause the Company to effect the registration under the Securities Act of any securities of the Company.

Listing and Maintenance Requirements. The Company’s Common Stock is registered pursuant to Section 12(b) of the Exchange Act and according to the listing standards on the American Stock Exchange (“AMEX”). On April 25, 2007, the Company received notification from AMEX that we were not in compliance with AMEX’s continued listing requirements because our shareholders’ equity is less than $2,000,000 and we have experienced losses from continuing operations and/or net losses in two of our most recent fiscal years. On May 1, 2007, we notified AMEX that as a result of the resignation of one of our independent director from our Board of Directors, we were aware that we were no longer in compliance with certain of the AMEX’s continued listing standards for Small Business Issuers regarding having at least fifty percent of its Board be comprised of independent directors and maintaining an audit committee of at least two independent directors. On May 3, 2007 we received a Warning Letter from AMEX regarding the aforementioned noncompliance. We submitted a plan on May 24, 2007 to AMEX for regaining compliance with all of the continued listing standards, which included a newly appointed director to the Company’s Board of Directors. On July 2, 2007, AMEX completed its review and has determined that the plan makes a reasonable demonstration of the Company’s ability to regain compliance with the continued listing standards by the end of the plan period, October 27, 2008 and is therefore continuing the Company’s listing pursuant to an extension.

Disclosure. All disclosure provided to the Purchasers regarding the Company, its business and the transactions contemplated hereby, including the Disclosure Schedules to this Agreement, furnished by or on behalf of the Company are true and correct and do not contain any untrue statement of a material fact or omit to state any material fact necessary in order to make the statements made therein, in the light of the circumstances under which they were made, not misleading. No event or circumstance has occurred or information exists with respect to the Company or its business, properties, prospects, operations or condition (financial or otherwise), which, under applicable law, rule or regulation, requires public disclosure or announcement by the Company but which has not been so publicly announced or disclosed.

Taxes. Except for matters that would not, individually or in the aggregate, have or reasonably be expected to result in a Material Adverse Effect, the Company has filed all necessary federal, state and foreign income and franchise tax returns and has paid or accrued all taxes shown as due thereon, and the Company has no knowledge of a tax deficiency which has been asserted or threatened against the Company.

Each Purchaser acknowledges and agrees that the Company does not make or has not made any representations or warranties with respect to the transactions contemplated hereby other than those specifically set forth in this Section 3.1.

Section 3.2 Representations and Warranties of the Purchasers. Each Purchaser hereby, for itself and for no other Purchaser, represents and warrants as of the date hereof and as of the Closing Date to the Company as follows:

(a) Organization; Authority. Such Purchaser is an entity duly organized, validly existing and in good standing under the laws of the jurisdiction of its organization with full right, corporate or partnership power and authority to enter into and to consummate the transactions contemplated by the Transaction Documents and otherwise to carry out its obligations thereunder. The execution, delivery and performance by such Purchaser of the transactions contemplated by this Agreement has been duly authorized by all necessary corporate or similar action on the part of such Purchaser. Each Transaction Document to which it is a party has been duly executed by such Purchaser, and when delivered by such Purchaser in accordance with the terms hereof, will constitute the valid and legally binding obligation of such Purchaser, enforceable against it in accordance with its terms, except (i) as limited by general equitable principles and applicable bankruptcy, insolvency, reorganization, moratorium and other laws of general application affecting enforcement of creditors’ rights generally, (ii) as limited by laws relating to the availability of specific performance, injunctive relief or other equitable remedies and (iii) insofar as indemnification and contribution provisions may be limited by applicable law.

(b) Purchase for Own Account. Such Purchaser is acquiring the Securities as principal for its own account and not with a view to or for distributing or reselling such Securities or any part thereof, without prejudice, however, to such Purchaser’s right, subject to the provisions of this Agreement, at all times to sell or otherwise dispose of all or any part of such Securities

pursuant to an effective registration statement under the Securities Act or under an exemption from such registration and in compliance with applicable federal and state securities laws. Nothing contained herein shall be deemed a representation or warranty by such Purchaser to hold Securities for any period of time. Such Purchaser is acquiring the Securities hereunder in the ordinary course of its business. Such Purchaser does not have any agreement or understanding, directly or indirectly, with any Person to distribute any of the Securities.

(c) Purchaser Status. At the time such Purchaser was offered the Securities, it was, and at the date hereof it is an “accredited investor” as defined in Rule 501(a) under the Securities Act. Such Purchaser is not required to be registered as a broker-dealer under Section 15 of the Exchange Act.

(d) Experience of Such Purchaser. Such Purchaser has such knowledge, sophistication and experience in business and financial matters so as to be capable of evaluating the merits and risks of the prospective investment in the Securities, and has so evaluated the merits and risks of such investment. Such Purchaser is able to bear the economic risk of an investment in the Securities and, at the present time, is able to afford a complete loss of such investment.

(e) Reliance on Exemptions. Such Purchaser understands that the Securities are being offered and sold to it in reliance upon specific exemptions from the registration requirements of United States federal and state securities laws and that the Company is relying upon the truth and accuracy of, and the Purchaser’s compliance with, the representations, warranties, agreements, acknowledgments and understandings of the Purchaser set forth herein in order to determine the availability of such exemptions and the eligibility of the Purchaser to acquire the Securities.

(f) Information. Such Purchaser and its advisors, if any, have been furnished with all materials relating to the business, finances and operations of the Company including, without limitation, the Company’s most recent SEC Reports, that have been requested by the Purchaser or its advisors, if any. The Purchaser has been afforded the opportunity to ask questions of the Company and receive answers from the Company. The Purchaser has requested, received and considered all information it deems relevant to make an informed decision to purchase the Securities. The Purchaser acknowledges and understands that its investment in the Securities involves a significant degree of risk.

(g) Governmental Review. Such Purchaser understands that no United States federal or state agency or any other government or governmental agency has passed upon or made any recommendation or endorsement of the Securities or an investment therein.

(h) Residency. Such Purchaser is a resident of (or, if an entity, has its principal place of business in) the jurisdiction set forth immediately below such Purchaser’s name on the signature pages hereto.

(i) Certain Fees. No brokerage or finder’s fees or commissions are or will be payable by the Company to any broker, financial advisor or consultant, finder, placement agent, investment banker, bank or other Person with respect to the transactions contemplated by this Agreement, and the Company has not taken any action that would cause any Purchaser to be liable for any such fees or commissions.

(j) Short Sales. Such Purchaser has not directly or indirectly, nor has any Person acting on behalf of or pursuant to any understanding with such Purchaser, executed any Short Sales or granted any option for the purchase of or entered into any hedging or similar transaction with the same economic effect as a Short Sale, in the securities of the Company since the time period beginning two weeks prior to the time that such Purchaser was first contacted regarding an investment in the Company (“Discussion Time”) through the date hereof. During such period, neither such Purchaser nor

any Person acting on behalf of or pursuant to any understanding with such Purchaser, has taken, directly or indirectly, any actions to trade in the Company’s Securities that might reasonably be expected to cause or result, under the Securities Act or Exchange Act, or otherwise, or that has constituted, stabilization or manipulation of the price of the Common Stock. Additionally, each Purchaser agrees to comply with Regulation M under the Exchange Act.

(k) No General Solicitation. Such Purchaser is not purchasing the Securities as a result of any advertisement, article, notice or other communication regarding the Securities published in any newspaper, magazine or other media or broadcast over television or radio or presented at any seminar or any other general solicitation or advertisement.

(l) Confidentiality. Other than to other Persons party to this Agreement, such Purchaser has maintained the confidentiality of all disclosures made to it in connection with this transaction (including the existence and terms of this transaction).

The Company acknowledges and agrees that each Purchaser does not make or has not made any representations or warranties with respect to the transactions contemplated hereby other than those specifically set forth in this Section 3.2.

OTHER AGREEMENTS OF THE PARTIES

Transfer Restrictions.

The Securities may only be disposed of pursuant to an effective registration statement under the Securities Act or pursuant to an available exemption from the registration requirements of the Securities Act, and in compliance with any applicable state securities laws. The Securities shall contain a restrictive legend in the following form:

THESE SECURITIES HAVE NOT BEEN REGISTERED WITH THE SECURITIES AND EXCHANGE COMMISSION OR THE SECURITIES COMMISSION OF ANY STATE IN RELIANCE UPON AN EXEMPTION FROM REGISTRATION UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE “SECURITIES ACT”), AND, ACCORDINGLY, MAY NOT BE OFFERED OR SOLD EXCEPT PURSUANT TO AN EFFECTIVE REGISTRATION STATEMENT UNDER THE SECURITIES ACT OR PURSUANT TO AN AVAILABLE EXEMPTION FROM, OR IN A TRANSACTION NOT SUBJECT TO, THE REGISTRATION REQUIREMENTS OF THE SECURITIES ACT.

Each Purchaser, severally and not jointly, agrees that the removal of the restrictive legend from certificates representing Securities as set forth in this Section 4.1 is expressly predicated upon the Purchaser’s covenant and agreement in this Section 4.1(b) that the Purchaser shall in all cases sell or otherwise transfer the Securities pursuant to: (i) an effective registration statement under the Securities Act, in full compliance with all prospectus delivery requirements under the Securities Act and in accordance with the plan of distribution described in the prospectus delivered by such Purchaser, or (ii) an available exemption from registration under the Securities Act.

Rights of First Refusal.

Xxxxxx X. Xxxxx has the right of first refusal on future debt or equity financings by the Company, excluding Financings with Fusion Capital, for up to two year from this Closing Date of this Securities Purchase Agreement.

Any proposed term-sheet for additional financing shall be forwarded to Xxxxxx X. Xxxxx, and he has three (3) days to reply to the Company in writing if he will match at the price and the terms specified in such notice of the additional financing offer.

Furnishing of Information.

As long as any Purchaser owns Securities, the Company covenants to use its 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 Company after the date hereof pursuant to the Exchange Act. In addition, the Company shall use its reasonable efforts to take all actions necessary to meet the “registrant eligibility” requirements set forth in the general instructions to Form S-3 or any successor form thereto, to continue to be eligible to register the resale of its Common Stock on a registration statement on Form S-3 under the Securities Act.

As long as any Purchaser owns Securities, if the Company is not required to file reports pursuant to the Exchange Act, it will prepare and furnish to the Purchasers and make publicly available in accordance with Rule 144(c) such information as is required for the Purchasers to sell the Securities under Rule 144. The Company further covenants that it will take such further action as any holder of Securities may reasonably request, all to the extent required from time to time to enable such Person to sell such Securities without registration under the Securities Act within the limitation of the exemptions provided by Rule 144.

The Company shall ensure that each of the following reports are available at xxx.xxx.xxx: (i) within ten days after the filing thereof with the SEC, a copy of its Annual Report on Form 10-KSB, its Quarterly Reports on Form 10-QSB, its proxy statements and any Current Reports on Form 8-K; and (ii) within one day after release, copies of all press releases issued by the Company or any of its Subsidiaries.

Integration. The Company shall not, and shall use its best efforts to ensure that no Affiliate thereof shall, sell, offer for sale or solicit offers to buy or otherwise negotiate in respect of any security (as defined in Section 2 of the Securities Act) that would be integrated with the offer or sale of the Securities in a manner that would require the registration under the Securities Act of the sale of the Securities to the Purchasers or that would be integrated with the offer or sale of the Securities for purposes of the rules and regulations of any Trading Market such that it would require Shareholder approval prior to the closing of such other transaction unless Shareholder approval is obtained prior to the closing of such subsequent transaction.

Reservation of Common Stock. As of the date hereof, the Company has reserved and the Company shall continue to reserve and keep available at all times, free of preemptive rights, a sufficient number of shares of Common Stock for the purpose of enabling the Company to issue Shares pursuant to this Agreement and Warrant Shares pursuant to the Warrants.

Listing of Common Stock. The Company hereby agrees to use its reasonable efforts to maintain the listing of the Common Stock on the Trading Market, and, unless completed prior to the Closing, to list the applicable Shares and Warrant Shares on AMEX as soon as reasonably practicable following the Closing (but not later than the earlier of the Effective Date and the first anniversary of the Closing Date). The Company further agrees, if the Company applies to have the Common Stock traded on any other trading market, it will include in such application the Shares and Warrant Shares, and will take such other action as is necessary or desirable in the opinion of the Purchasers to cause the Shares and Warrant Shares to be listed on such other trading market as promptly as possible. The Company will take all action reasonably necessary to continue the listing and trading of its Common Stock on a trading market and will comply in all respects with the Company’s reporting, filing and other obligations under the bylaws or rules of the trading market.

Sales by Purchaser. Each Purchaser covenants to sell any Securities sold by it in compliance with applicable prospectus delivery requirements, if any, or otherwise in compliance with the requirements for an exemption from registration under the Securities Act. No Purchaser will make any sale, transfer or other disposition of the Securities in violation of federal or state securities laws.

MISCELLANEOUS

Termination. This Agreement may be terminated by the Company or, as to any Purchaser and the Company, any Purchaser, by written notice to the other parties, if the Closing has not been consummated by the tenth Business Day following the date of this Agreement; provided that no such termination will affect the right of any party to xxx for any breach by the other party (or parties).

Fees and Expenses. Each party shall pay the fees and expenses of its advisers, counsel, accountants and other experts, if any, and all other expenses incurred by such party incident to the negotiation, preparation, execution, delivery and performance of this Agreement. The Company shall pay all stamp and other taxes and duties levied in connection with the sale of the Securities in the instant transaction.

Entire Agreement. The Transaction Documents, together with the exhibits and schedules thereto, contain the entire understanding of the parties with respect to the subject matter hereof and supersede all prior agreements and understandings, oral or written, with respect to such matters, which the parties acknowledge have been merged into such documents, exhibits and schedules.

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 (provided the sender receives a machine-generated confirmation of successful transmission) at the facsimile number specified in this Section prior to 6:30 p.m. (EST) on a business day, (b) the next business day after the date of transmission, if such notice or communication is delivered via facsimile at the facsimile number specified in this Section on a day that is not a business day or later than 6:30 p.m. (EST) on any business day, (c) the business day following the date of mailing, if sent by U.S. nationally recognized overnight courier service, or (d) upon actual receipt by the party to whom such notice is required to be given. The address for such notices and communications shall be as follows:


If to the Company:		Oragenics, Inc. 00000 Xxxxxxxx Xxxxxxxxx Xxxxxxx, Xxxxxxx 00000 Attn: Xxxxxx X. Xxxxxxxxx , Chief Executive Officer Facsimile No.: (000) 000-0000

With a copy to:		Xxxxxxxx, Loop & Xxxxxxxx, LLP 000 X. Xxxxxxx Xxxxxxxxx Xxxxx 0000 Xxxxx, Xxxxxxx 00000 Attn: Xxxxxxx X. Xxxxx, Esquire Facsimile No.: (000) 000-0000

If to a Purchaser:		To the address set forth under such Purchaser’s name on the signature pages hereof; or such other address as may be designated in writing hereafter, in the same manner, by such Person.

Amendments; Waivers. No provision of this Agreement may be waived or amended except in a written instrument signed, in the case of an amendment, by the Company and the Purchasers holding a majority of the Shares or, in the case of a waiver, by the party against whom enforcement of any such waiver is sought. No waiver 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

subsequent default or a waiver of any other provision, condition or requirement hereof, nor shall any delay or omission of either party to exercise any right hereunder in any manner impair the exercise of any such right.

Successors and Assigns. This Agreement shall be binding upon and inure to the benefit of the parties and their successors and permitted assigns. The Company may not assign this Agreement or any rights or obligations hereunder without the prior written consent of the Purchasers holding a majority of the Shares; provided, however, that no consent shall be required in connection with a merger, consolidation or sale of substantially all of the Company’s assets. Any Purchaser may assign any or all of its rights under this Agreement to any Person in connection with the transfer of the Securities, provided such transferee agrees in writing to be bound, with respect to the transferred Securities, by the provisions hereof that apply to the “Purchasers”.

No Third-Party Beneficiaries. This Agreement is intended for the benefit of the parties hereto and their respective successors and permitted assigns and is not for the benefit of, nor may any provision hereof be enforced by, any other Person.

Governing Law. All questions concerning the construction, validity, enforcement and interpretation of the Transaction Documents shall be governed by and construed and enforced in accordance with the internal laws of the State of Florida, without regard to the principles of conflicts of law thereof. Each party agrees that all legal proceedings concerning the interpretations, enforcement and defense of the transactions contemplated by this Agreement and any other Transaction Documents (whether brought against a party hereto or its respective affiliates, directors, officers, shareholders, employees or agents) shall be commenced exclusively in the United States federal courts and the state courts located in the County of Hillsborough, State of Florida. Each party hereto hereby irrevocably submits to the exclusive jurisdiction of the state and federal courts sitting in the County of Hillsborough, State of Florida for the adjudication of any dispute hereunder or in connection herewith or with any transaction contemplated hereby or discussed herein (including with respect to the enforcement of any of the Transaction Documents), and hereby irrevocably waives, and agrees not to assert in any suit, action or proceeding, any claim that it is not personally subject to the jurisdiction of any such court, that such suit, action or proceeding is improper. Each party hereto hereby irrevocably waives personal service of process and consents to process being served in any such suit, action or proceeding by delivering a copy thereof via overnight delivery (with evidence of delivery) to such party at the address in effect for notices to it under this Agreement and agrees that such service shall constitute good and sufficient service of process and notice thereof. Nothing contained herein shall be deemed to limit in any way any right to serve process in any manner permitted by law. Each party hereto (including its affiliates, agents, officers, directors and employees) hereby irrevocably waives, to the fullest extent permitted by applicable law, any and all right to trial by jury in any legal proceeding arising out of or relating to this Agreement or the transactions contemplated hereby. If either party shall commence an action or proceeding to enforce any provisions of a Transaction Document, then the prevailing party in such action or proceeding shall be reimbursed by the other party for its attorneys’ fees and other costs and expenses incurred with the investigation, preparation and prosecution of such action or proceeding.

Execution. This Agreement may be executed in two or more counterparts, all of which when taken together shall be considered one and the same agreement and shall become effective when counterparts have been signed by each party and delivered to the other party, it being understood that both parties need not sign the same counterpart. In the event that any signature is delivered by facsimile transmission, such signature shall create a valid and binding obligation of the party executing (or on whose behalf such signature is executed) with the same force and affect as if such facsimile signature page were an original thereof.

Severability. If any provision of this Agreement is held to be invalid or unenforceable in any respect, the validity and enforceability of the remaining terms and provisions of this Agreement shall not in any way be affected or impaired thereby and the parties will attempt to agree upon a valid and enforceable provision that is a reasonable substitute therefore, and upon so agreeing, shall incorporate such substitute provision in this Agreement.

Independent Nature of Purchasers’ Obligations and Rights. The obligations of each Purchaser under any Transaction Document are several and not joint with the obligations of any other Purchaser, and no Purchaser shall be responsible in any way for the performance of the obligations of any other Purchaser under any Transaction Document. The decision of each Purchaser to purchase Securities pursuant to this Agreement has been made by such Purchaser independently of any other Purchaser and independently of any information, materials, statements or opinions as to the business, affairs, operations, assets, properties, liabilities, results of operations, condition (financial or otherwise) or prospects of the Company or of the Subsidiary which may have been made or given by any other Purchaser or by any agent or employee of any other Purchaser, and no Purchaser or any of its agents or employees shall have any liability to any other Purchaser (or any other person) relating to or arising from any such information, materials, statements or opinions. Nothing contained herein or in any Transaction Document, and no action taken by any Purchaser pursuant thereto, shall be deemed to constitute the Purchasers as a partnership, an association, a joint venture or any other kind of entity, or create a presumption that the Purchasers are in any way acting in concert or as a group with respect to such obligations or the transactions contemplated by the Transaction Document. Each Purchaser acknowledges that no other Purchaser has acted as agent for such Purchaser in connection with making its investment hereunder and that no other Purchaser will be acting as agent of such Purchaser in connection with monitoring its investment hereunder. Each Purchaser shall be entitled to independently protect and enforce its rights, including without limitation the rights arising out of this Agreement or out of the other Transaction Documents, and it shall not be necessary for any other Purchaser to be joined as an additional party in any proceeding for such purpose. Each Purchaser has been represented by its own separate legal counsel in their review and negotiation of the Transaction Documents.

Construction. 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. The parties agree that each of them and/or their respective counsel has reviewed and had an opportunity to revise the Transaction Documents and, therefore, the normal rule of construction to the effect that any ambiguities are to be resolved against the drafting party shall not be employed in the interpretation of the Transaction Documents or any amendments hereto.

IN WITNESS WHEREOF, the parties hereto have caused this Securities Purchase Agreement to be duly executed by their respective authorized signatories as of the date first indicated above.


COMPANY

ORAGENICS, INC.

By:		/s/ Xxxxxx X. Xxxxxxxxx
Name:		Xxxxxx X. Xxxxxxxxx
Title:		President and Chief Executive Officer

Date:		August 6, 2007

PURCHASER

/s/ Xxxxxx X. Xxxxx
Name: Xxxxxx X. Xxxxx

Investment Amount: up to $275,000 USD

Common Shares from Company: up to 1,100,000

Warrants from Company: up to 1,100,000

Address:



City/State/Zip:



Tel:

Fax:

Email:

(See next page for continuation of Purchasers)

Purchasers


/s/ Xxxxxx X. Xxxxx				/s/ Xxxxxxx X Xxxxxxx
Name: Xxxxxx X. Xxxxx				Name: Xxxxxxx X Xxxxxxx
Investment Amount: up to $275,000 USD				Investment Amount: up to $50,000 USD
Common Shares from Company: up to 1,100,000				Common Shares from Company: up to 200,000
Warrants from Company: up to 1,100,000				Warrants from Company: up to 200,000

/s/ Xxxxx Xxxxxxx				/s/ Xxxxxxxxx Xxxxx Xxxx
Name: Xxxxx Xxxxxxx				Name: Xxxxxxxxx Xxxxx Xxxx
Investment Amount: up to $50,000 USD				Investment Amount: up to $50,000 USD
Common Shares from Company: up to 200,000				Common Shares from Company: up to 200,000
Warrants from Company: up to 200,000				Warrants from Company: up to 200,000

/s/ Xxxxx Xxxxx				/s/ Xxxxx Xxxxxx
Name: Xxxxx Xxxxx				Name: Xxxxx Xxxxxx
Investment Amount: up to $25,000 USD				Investment Amount: up to $171,591 USD
Common Shares from Company: up to 100,000				Common Shares from Company: up to 686,364
Warrants from Company: up to 100,000				Warrants from Company: up to 686,364

/s/ Xxxxxxxxxx Xxxxx				/s/ Xxxx Xxxxx
Name: Xxxxxxxxxx Xxxxx				Name: Xxxx Xxxxx
Investment Amount: up to $100,000 USD				Investment Amount: up to $100,000 USD
Common Shares from Company: up to 400,000				Common Shares from Company: up to 400,000
Warrants from Company: up to 400,000				Warrants from Company: up to 400,000

/s/ Xxxxxxx Xxxxxx				/s/ Xxxxx Xxxxxxx
Name: Xxxxxxx Xxxxxx				Name: Xxxxx Xxxxxxx
Investment Amount: up to $50,000 USD				Investment Amount: up to $100,000 USD
Common Shares from Company: up to 200,000				Common Shares from Company: up to 400,000
Warrants from Company: up to 200,000				Warrants from Company: up to 400,000


/s/ Xxxxxx XxXxxxxxx				/s/ Xxxxxx X. Xxxxx
Name: Xxxxxx XxXxxxxxx				Name: Xxxxxx X. Xxxxx
Investment Amount: up to $150,000 USD				Investment Amount: up to $50,000 USD
Common Shares from Company: up to 600,000				Common Shares from Company: up to 113,636
Warrants from Company: up to 600,000				Warrants from Company: up to 113,636

Exhibit A

THE SECURITIES EVIDENCED BY THIS CERTIFICATE HAVE NOT BEEN REGISTERED UNDER THE U.S. SECURITIES ACT, AS AMENDED, OR ANY OTHER APPLICABLE SECURITIES LAWS AND HAVE BEEN ISSUED IN RELIANCE UPON AN EXEMPTION FROM THE REGISTRATION REQUIREMENTS OF THE SECURITIES ACT AND SUCH OTHER SECURITIES LAWS. NEITHER THIS SECURITY NOR ANY INTEREST OR PARTICIPATION HEREIN MAY BE SOLD, ASSIGNED, TRANSFERRED, PLEDGED, ENCUMBERED, OR OTHERWISE DISPOSED OF, EXCEPT PURSUANT TO AN EFFECTIVE REGISTRATION STATEMENT UNDER THE SECURITIES ACT OR AN OPINION OF COUNSEL REASONABLY SATISFACTORY TO THE COMPANY THAT SUCH REGISTRATION IS NOT REQUIRED PURSUANT TO A VALID EXEMPTION THEREFROM UNDER THE SECURITIES ACT.

Warrant No.

WARRANT TO PURCHASE SHARES OF COMMON STOCK OF

ORAGENICS, INC.

THIS CERTIFIES that, for value received, [ ] is entitled to purchase from Oragenics, Inc., a Florida corporation (the “Corporation”), subject to the terms and conditions hereof, [ ] shares (the “Warrant Shares”) of common stock, $0.001 par value (the “Common Stock”). This warrant, together with all warrants hereafter issued in exchange or substitution for this warrant, is referred to as the “Warrant” and the holder of this Warrant is referred to as the “Holder.” The number of Warrant Shares is subject to adjustment as hereinafter provided. Notwithstanding anything to the contrary contained herein, this Warrant shall expire and no longer be exercisable at 5:00 p.m. Eastern Standard Time (EST) on August , 2008, one (1) year from the closing at which issued (the “Termination Date”).

1. Exercise of Warrants.

(a) The Holder may, after a six (6) month vesting period from the Closing Date and at any time prior to the Termination Date, exercise this Warrant in whole or in part at an exercise price per share equal to $0. per share, subject to adjustment as provided herein (the “Warrant Price”), by the surrender of this Warrant (properly endorsed) at the principal office of the Corporation, or at such other agency or office of the Corporation in the United States of America as the Corporation may designate by notice in writing to the Holder at the address of such Holder appearing on the books of the Corporation, and by payment to the Corporation of the Warrant Price in lawful money of the United States by check or wire transfer for each share of Common Stock being purchased. Upon any partial exercise of this Warrant, there shall be executed and issued to the Holder a new Warrant in respect of the shares of Common Stock as to which this Warrant shall not have been exercised. In the event of the exercise of the rights represented by this Warrant, a certificate or certificates for the Warrant Shares so purchased, as applicable, registered in the name of the Holder, shall be delivered to the Holder hereof as soon as practicable after the rights represented by this Warrant shall have been so exercised.

(b) If, but only if, at any time after one year from the date of issuance of this Warrant there is no effective registration statement registering the resale of the Common Stock underlying this Warrant by the Holder, this Warrant may also be exercised at such time by means of a “cashless exercise” in which, at any time prior to the Termination Date, the Holder of this Warrant may, at its option, exchange this Warrant, in whole or in part (a “Warrant Exchange”), into Warrant Shares by surrendering this Warrant at the principal office of the Corporation, accompanied by a notice stating such Holder’s intent to effect such exchange, the number of Warrant Shares to be exchanged and the date on which the Holder requests that such Warrant Exchange occur (the “Notice of Exchange”). The Warrant Exchange

shall take place on the date specified in the Notice of Exchange or, if later, within five (5) days of the date the Notice of Exchange is received by the Corporation (the “Exchange Date”). Certificates for the Warrant Shares issuable upon such Warrant Exchange and, if applicable, a new Warrant of like tenor evidencing the balance of the Warrant Shares remaining subject to this Warrant, shall be issued as of the Exchange Date and delivered to the Holder within three (3) business days following the Exchange Date. In connection with any Warrant Exchange, this Warrant shall represent the right to subscribe for and acquire the number of Warrant Shares (rounded to the next highest integer) equal to the quotient obtained by dividing [(A-B) (X)] by (A), where:


(A) =		the Closing Bid Price (as hereinafter defined) on the trading day preceding the date on which the Company receives the Exercise Documentation;

(B) =		the exercise price of this Warrant, as adjusted; and

(X) =		the number of shares of Common Stock issuable upon exercise of this Warrant in accordance with the terms of this Warrant.

2. Reservation of Warrant Shares. The Corporation agrees that, prior to the expiration of this Warrant, it will at all times have authorized and in reserve, and will keep available, solely for issuance or delivery upon the exercise of this Warrant, the number of Warrant Shares as from time to time shall be issuable by the Corporation upon the exercise of this Warrant.

3. No Shareholder Rights. This Warrant shall not entitle the holder hereof to any voting rights or other rights as a shareholder of the Corporation.

4. Transferability of Warrant. Prior to the Termination Date and subject to compliance with applicable laws, this Warrant and all rights hereunder are transferable, in whole or in part, at the office or agency of the Company by the Holder in person or by duly authorized attorney, upon surrender of this Warrant together with the Assignment Form annexed hereto properly endorsed for transfer.

5. Certain Adjustments. With respect to any rights that Holder has to exercise this Warrant and convert into shares of Common Stock, Holder shall be entitled to the following adjustments:

(a) Merger or Consolidation. If at any time there shall be a merger or a consolidation of the Corporation with or into another corporation when the Corporation is not the surviving corporation, then, as part of such merger or consolidation, lawful provision shall be made so that the holder hereof shall thereafter be entitled to receive upon exercise of this Warrant, during the period specified herein and upon payment of the aggregate Warrant Price then in effect, the number of shares of stock or other securities or property (including cash) of the successor corporation resulting from such merger or consolidation, to which the holder hereof as the holder of the stock deliverable upon exercise of this Warrant would have been entitled in such merger or consolidation if this Warrant had been exercised immediately before such merger or consolidation. In any such case, appropriate adjustment shall be made in the application of the provisions of this Warrant with respect to the rights and interests of the holder hereof as the holder of this Warrant after the merger or consolidation.

(b) Reclassification. Recapitalization, etc. If the Corporation at any time shall, by subdivision, combination or reclassification of securities, recapitalization, automatic conversion, or other similar event affecting the number or character of outstanding shares of Common Stock, or otherwise, change any of the securities as to which purchase rights under this Warrant exist into the same or a different number of securities of any other class or classes, this Warrant shall thereafter represent the right to acquire such number and kind of securities as would have been issuable as the result of such change with respect to the securities that were subject to the purchase rights under this Warrant immediately prior to such subdivision, combination, reclassification or other change.

(c) Split or Combination of Common Stock and Stock Dividend. In case the Corporation shall at any time subdivide, redivide, recapitalize, split (forward or reverse) or change its outstanding shares of Common Stock into a greater number of shares or declare a dividend upon its Common Stock payable solely in shares of Common Stock, the Warrant Price shall be proportionately reduced and the number of Warrant Shares proportionately increased.

Conversely, in case the outstanding shares of Common Stock of the Corporation shall be combined into a smaller number of shares, the Warrant Price shall be proportionately increased and the number of Warrant Shares proportionately reduced. Notwithstanding the foregoing, in no event will the Warrant Price be reduced below the par value of the Common Stock.

6. Legend and Stop Transfer Orders. Unless the Warrant Shares have been registered under the Securities Act, upon exercise of any part of the Warrant, the Corporation shall instruct its transfer agent to enter stop transfer orders with respect to such Warrant Shares, and all certificates or instruments representing the Warrant Shares shall bear on the face thereof substantially the following legend:

THE SECURITIES EVIDENCED BY THIS CERTIFICATE HAVE NOT BEEN REGISTERED UNDER THE U.S. SECURITIES ACT, AS AMENDED, OR ANY OTHER APPLICABLE SECURITIES LAWS AND HAVE BEEN ISSUED IN RELIANCE UPON AN EXEMPTION FROM THE REGISTRATION REQUIREMENTS OF THE SECURITIES ACT AND SUCH OTHER SECURITIES LAWS. NEITHER THIS SECURITY NOR ANY INTEREST OR PARTICIPATION HEREIN MAY BE SOLD, ASSIGNED, TRANSFERRED, PLEDGED, ENCUMBERED, OR OTHERWISE DISPOSED OF, EXCEPT PURSUANT TO AN EFFECTIVE REGISTRATION STATEMENT UNDER THE SECURITIES ACT OR AN OPINION OF COUNSEL REASONABLY SATISFACTORY TO THE CORPORATION THAT SUCH REGISTRATION IS NOT REQUIRED PURSUANT TO A VALID EXEMPTION THEREFROM UNDER THE SECURITIES ACT.

7. Redemption. On August 8, 2008, this Warrant shall expire and not longer be exercisable at 5:00 p.m. Eastern Standard Time (EST) which is one (1) from the closing at which issued known as the Termination Date.

8. Miscellaneous. This Warrant shall be governed by and construed in accordance with the laws of the State of Florida. All the covenants and provisions of this Warrant by or for the benefit of the Corporation shall bind and inure to the benefit of its successors and assigns hereunder. Nothing in this Warrant shall be construed to give to any person or corporation other than the Corporation and the holder of this Warrant any legal or equitable right, remedy or claim under this Warrant. This Warrant shall be for the sole and exclusive benefit of the Corporation and the holder of this Warrant. The section headings herein are for convenience only and are not part of this Warrant and shall not affect the interpretation hereof. Upon receipt of evidence satisfactory to the Corporation of the loss, theft, destruction or mutilation of this Warrant, and of indemnity reasonably satisfactory to the Corporation, if lost, stolen or destroyed, and upon surrender and cancellation of this Warrant, if mutilated, the Corporation shall execute and deliver to the Holder a new Warrant of like date, tenor and denomination.

IN WITNESS WHEREOF, the Corporation has caused this Warrant to be executed by its duly authorized officers under its seal, this day of August, 2007.


ORAGENICS, INC.

By:
Name:		Xxxxxx X. Xxxxxxxxx
Title:		President and CEO

NOTICE OF EXERCISE

TO: ORAGENICS, INC.

The undersigned is the Holder of Warrant No. (the “Warrant”) issued by Oragenics, Inc., a Florida Corporation (the “Company”). Capitalized terms used herein and not otherwise defined have the respective meanings set forth in the Warrant.

The Warrant is currently exercisable to purchase a total of Warrant Shares.

The undersigned hereby exercises its right to purchase Warrant Shares pursuant to the Warrant and delivers herewith the original Warrant certificate in accordance with the terms of the Warrant and tenders herewith payment of the exercise price in full, together with all applicable transfer taxes, if any.

Payment shall take the form of (check applicable box):

[ ] in lawful money of the United States; or

[ ] the cancellation of such number of Warrant Shares as is necessary, in accordance with the formula set forth in Section 2(c) of the Warrant, to exercise this Warrant with respect to the maximum number of Warrant Shares purchasable pursuant to the cashless exercise procedure set forth in Section 2(c) of the Warrant.

The undersigned hereby requests that the Company issue a certificate or certificates representing said Warrant Shares in the name of the undersigned or in such other name as is specified below:

The Warrant Shares shall be delivered to the following:

________________________________________

Accredited Investor. The undersigned is an “accredited investor” as defined in Regulation D promulgated under the Securities Act of 1933, as amended.


Name of Holder:


Signature of Authorized Signatory of Holder:


Name of Authorized Signatory:


Title of Authorized Signatory:

Telephone Number and E-Mail Address of Authorized Signatory:


Date:

(Signature must conform in all respect to the name of Holder as specified on the face of the Warrant.)

ASSIGNMENT FORM

(TO ASSIGN THE FOREGOING WARRANT, EXECUTE THIS FORM AND SUPPLY REQUIRED INFORMATION. DO NOT USE THIS FORM TO EXERCISE THE WARRANT.)

FOR VALUE RECEIVED, the foregoing Warrant and all rights evidenced thereby are hereby sold, assigned and transferred to whose address is , and is hereby appointed attorney to transfer said rights on the books of Oragenics, Inc., with full power of substitution in the premises.


Dated:


Signature Guaranteed:

NOTE: The signature to this Assignment Form must correspond with the name as it appears on the face of the Warrant, without alteration or enlargement or any change whatsoever, and must be guaranteed by a bank or trust company. Officers of corporations and those acting in a fiduciary or other representative capacity should file proper evidence of authority to assign the foregoing Warrant.

Holder’s Signature:

Holder’s Address: