Form of Common Stock Purchase Warrant



 Exhibit 10.21 
 COMMON STOCK PURCHASE WARRANT (CLASS 6) 
 ACCENTIA BIOPHARMACEUTICALS,
INC. 
  

			
	Warrant Shares:             	  	Initial Exercise Date: November 17, 2010

 THIS COMMON STOCK PURCHASE WARRANT (the “Warrant”) certifies that, for value received,
                     (the “Holder”) is entitled, upon the terms and subject to the limitations on exercise and the conditions
hereinafter set forth, at any time on or after the date hereof (the “Initial Exercise Date”) and on or prior to the close of business on the three (3) year anniversary of the Initial Exercise Date (the “Termination
Date”) but not thereafter, to subscribe for and purchase from Accentia Biopharmaceuticals, Inc., a Florida corporation (the “Company”), up to      shares (the “Warrant Shares”) of
Common Stock. The purchase price of one share of Common Stock under this Warrant shall be equal to the Exercise Price, as defined in Section 2(b). This Warrant and the Warrant Shares issuable upon exercise of this Warrant are issued by the
Company, pursuant to Section 1145 of the Bankruptcy Code and Article 5.7.1.9 of the Plan (as defined below), in exchange for the Holder’s claims against the Company, and are exempt from the requirements of Section 5 of the Securities
Act and state and local securities laws and requirements by virtue of Section 1145 of the Bankruptcy Code. 

Section 1. Definitions. For the purposes hereof, in addition to the terms defined elsewhere in this
Warrant, the following terms shall have the following meanings: 
 “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 405 under the Securities Act. 

“Bankruptcy Case” means, collectively, the cases of the Company and its Subsidiaries
pending before the Bankruptcy Court under Chapter 11 of the Bankruptcy Code, and jointly administered under Case No. 8:08-bk-17795-KRM. 
 “Bankruptcy Code” means title 11 of the United States Code, 11 U.S.C. §§ 101 et seq. 

“Bankruptcy Court” means the United States Bankruptcy Court for the Middle District of
Florida, Tampa Division. 
 “Black Scholes Value” means the value of this
Warrant based on the Black and Scholes Option Pricing Model obtained from the “OV” function on Bloomberg, L.P. (“Bloomberg”) determined as of the day of consummation of the applicable Fundamental Transaction for pricing
purposes and reflecting (A) a risk-free interest rate corresponding to the U.S. Treasury rate for a period equal to the time between the date of the public announcement of the applicable Fundamental Transaction and the Termination Date,
(B) an expected volatility equal to the greater of 100% and the 100 day volatility obtained from the HVT function on Bloomberg as of the Trading Day immediately following the public announcement of the applicable Fundamental Transaction,
(C) the underlying 

  
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price per share used in such calculation shall be the sum of the price per share being offered in cash, if any, plus the value of any non-cash consideration, if any, being offered in such
Fundamental Transaction and (D) a remaining option time equal to the time between the date of the public announcement of the applicable Fundamental Transaction and the Termination Date. 

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

“Common Stock” means the common stock, par value $.001 per share, of the Company.

 “Common Stock Equivalents” means any securities of the Company or the
Subsidiaries which would entitle the holder thereof to acquire at any time Common Stock, including, without limitation, any debt, preferred stock, right, option, warrant or other instrument that is at any time convertible into or exercisable or
exchangeable for, or otherwise entitles the holder thereof to receive, Common Stock. 

“Exchange Act” means the Securities Exchange Act of 1934, as amended, and the rules and
regulations promulgated thereunder. 
 “Liens” means a lien, charge, pledge,
security interest, encumbrance, right of first refusal, preemptive right or other restriction. 

“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. 

“Plan” means the First Amended Joint Plan of Reorganization of Accentia
Biopharmaceuticals, Inc., Analytica International, Inc., TEAMM Pharmaceuticals, Inc., AccentRx, Inc., and Accentia Specialty Pharmacy, Inc. under Chapter 11 of Title 11, United States Code dated as of August 16, 2010, as modified by the First
Modification to First Amended Joint Plan of Reorganization of Accentia Biopharmaceuticals, Inc., Analytica International, Inc., TEAMM Pharmaceuticals, Inc., AccentRx, Inc., and Accentia Specialty Pharmacy, Inc. under Chapter 11 of Title 11, United
States Code dated as of October 25, 2010 and as further modified from time to time, as filed in the Bankruptcy Case. 
 “Securities Act” means the Securities Act of 1933, as amended, and the rules and regulations promulgated thereunder. 

“Subsidiary” means any subsidiary of the Company as of the Initial Exercise Date and
shall, where applicable, also include any direct or indirect subsidiary of the Company formed or acquired after the date hereof. 

  
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 “Trading Day” means a day on which a
Trading Market is open for trading; provided that, if the Common Stock is not on a Trading Market, then as reported on any day in the “Pink Sheets” published by Pink Sheets, LLC (or a similar organization or agency succeeding to its
functions of reporting prices). 
 “Trading Market” means any of the following
markets or exchanges on which the Common Stock is listed or quoted for trading on the date in question: the New York Stock Exchange, the NYSE AMEX, the NASDAQ Capital Market, the NASDAQ Global Market, the NASDAQ Global Select Market, the OTCQB
Marketplace, or the OTC Bulletin Board (or any successors to any of the foregoing). 

“Transfer Agent” means StockTrans, Inc. or any successor transfer agent engaged by the
Company. 
 “Variable Rate Transaction” means a transaction in which the Company
(i) issues or sells any debt or equity securities that are convertible into, exchangeable or exercisable for, or include the right to receive, additional shares of Common Stock either (A) at a conversion price, exercise price or exchange
rate or other price that is based upon, and/or varies with, the trading prices of or quotations for the shares of Common Stock at any time after the initial issuance of such debt or equity securities or (B) with a conversion, exercise or
exchange price that is subject to being reset at some future date after the initial issuance of such debt or equity security or upon the occurrence of specified or contingent events directly or indirectly related to the business of the Company or
the market for the Common Stock or (ii) enters into any agreement, including, but not limited to, an equity line of credit, whereby the Company may sell securities at a future determined price. 

“VWAP” means, for any date, the price of the Common Stock determined by the first of the
following clauses that applies: (a) if the Common Stock is then listed or quoted for trading on a Trading Market, the volume weighted average price per share of the Common Stock for such date (or the nearest preceding date) on the Trading
Market on which the Common Stock is then listed or quoted for trading as reported by Bloomberg L.P. (based on a Trading Day from 9:30 a.m. (New York City time) to 4:02 p.m. (New York City time)); (b) if the Common Stock is not then listed or
quoted for trading on a Trading Market and if prices for the Common Stock are then reported in the “Pink Sheets” published by Pink Sheets, LLC (or a similar organization or agency succeeding to its functions of reporting prices), the most
recent bid price per share of the Common Stock so reported for such date; or (c) in all other cases, the fair market value of a share of Common Stock as determined by an independent appraiser selected in good faith by the Holder and reasonably
acceptable to the Company. 
 Section 2. Exercise. 

a) Exercise of Warrant. Exercise of the purchase rights represented by this Warrant may be made, in
whole or in part, at any time or times on or after the Initial Exercise Date and on or before the Termination Date by delivery to the Company (or such other office or agency of the Company as it may designate by notice in writing to


  
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the registered Holder at the address of the Holder appearing on the books of the Company) of a duly executed facsimile copy of the Notice of Exercise annexed hereto; and, within three
(3) Trading Days of the date said Notice of Exercise is delivered to the Company, the Company shall have received payment of the aggregate Exercise Price of the shares thereby purchased by wire transfer or cashier’s check drawn on a United
States bank. Notwithstanding anything herein to the contrary, the Holder shall not be required to physically surrender this Warrant to the Company until the Holder has purchased all of the Warrant Shares available hereunder and the Warrant has been
exercised in full, in which case, the Holder shall surrender this Warrant to the Company for cancellation within three (3) Trading Days of the date the final Notice of Exercise is delivered to the Company. Partial exercises of this Warrant
resulting in purchases of a portion of the total number of Warrant Shares available hereunder shall have the effect of lowering the outstanding number of Warrant Shares purchasable hereunder in an amount equal to the applicable number of Warrant
Shares purchased. The Holder and the Company shall maintain records showing the number of Warrant Shares purchased and the date of such purchases. The Company shall deliver any objection to any Notice of Exercise within one (1) Business Day of
receipt of such Notice of Exercise. The Holder and any assignee, by acceptance of this Warrant, acknowledge and agree that, by reason of the provisions of this paragraph, following the purchase of a portion of the Warrant Shares hereunder, the
number of Warrant Shares available for purchase hereunder at any given time may be less than the amount stated on the face hereof. 
 b) Exercise Price. The exercise price per share of the Common Stock under this Warrant shall be $1.50, subject to adjustment hereunder (the “Exercise Price”). 

c) [RESERVED] 

d) Exercise Limitations. 

i. Holder’s Restrictions. The Company shall not effect any exercise of this Warrant, and a
Holder shall not have the right to exercise any portion of this Warrant, to the extent that after giving effect to such issuance after exercise as set forth on the applicable Notice of Exercise, the Holder (together with the Holder’s Affiliates
and any other Person acting as a group together with the Holder or any of the Holder’s Affiliates) would beneficially own in excess of the Beneficial Ownership Limitation (as defined below). For purposes of the foregoing sentence, the
number of shares of Common Stock beneficially owned by the Holder and its Affiliates shall include the number of shares of Common Stock issuable upon exercise of this Warrant with respect to which such determination is being made, but shall exclude
the number of shares of Common Stock which would be issuable upon (A) exercise of the remaining, nonexercised portion of this Warrant beneficially owned by the Holder or any of its Affiliates and (B) exercise or conversion of the
unexercised or nonconverted portion of any other securities of the Company (including, without limitation, any other Common Stock Equivalents) subject to a limitation on conversion or exercise analogous to the limitation contained


  
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herein beneficially owned by the Holder or any of its Affiliates. Except as set forth in the preceding sentence, for purposes of this Section 2(d)(i), beneficial ownership shall be
calculated in accordance with Section 13(d) of the Exchange Act and the rules and regulations promulgated thereunder, it being acknowledged by the Holder that the Company is not representing to the Holder that such calculation is in compliance
with Section 13(d) of the Exchange Act and the Holder is solely responsible for any schedules required to be filed in accordance therewith. To the extent that the limitation contained in this Section 2(d)(i) applies, the determination of
whether this Warrant is exercisable (in relation to other securities owned by the Holder together with any Affiliates) and of which portion of this Warrant is exercisable shall be in the sole discretion of the Holder, and the submission of a Notice
of Exercise shall be deemed to be the Holder’s determination of whether this Warrant is exercisable (in relation to other securities owned by the Holder together with any Affiliates) and of which portion of this Warrant is exercisable, in each
case subject to the Beneficial Ownership Limitation, and the Company shall have no obligation to verify or confirm the accuracy of such determination. In addition, a determination as to any group status as contemplated above shall be determined in
accordance with Section 13(d) of the Exchange Act. For purposes of this Section 2(d)(i), in determining the number of outstanding shares of Common Stock, a Holder may rely on the number of outstanding shares of Common Stock as reflected in
(x) the Company’s most recent Form 10-Q Quarterly Report or Form 10-K Annual Report, as the case may be, (y) a more recent public announcement by the Company, or (z) any other notice by the Company or the Transfer Agent setting
forth the number of shares of Common Stock outstanding. Upon the written or oral request of a Holder, the Company shall within two (2) Trading Days confirm orally and in writing to the Holder the number of shares of Common Stock then
outstanding. In any case, the number of outstanding shares of Common Stock shall be determined after giving effect to the conversion or exercise of securities of the Company, including this Warrant, by the Holder or its Affiliates since the date as
of which such number of outstanding shares of Common Stock was reported. The “Beneficial Ownership Limitation” shall be 4.99% of the number of shares of the Common Stock outstanding immediately after giving effect to the issuance of
shares of Common Stock issuable upon exercise of this Warrant. The Holder, upon not less than 61 days’ prior notice to the Company, may increase or decrease the Beneficial Ownership Limitation provisions of this Section 2(d)(i), provided
that the Beneficial Ownership Limitation in no event exceeds 9.99% of the number of shares of the Common Stock outstanding immediately after giving effect to the issuance of shares of Common Stock upon exercise of this Warrant held by the Holder and
the provisions of this Section 2(d)(i) shall continue to apply. Any such increase or decrease will not be effective until the 61st day after such notice is delivered to the Company. 

  
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The provisions of this paragraph shall be construed and implemented in a manner otherwise than in strict conformity with the terms of this Section 2(d)(i) to correct this paragraph (or any
portion hereof) which may be defective or inconsistent with the intended Beneficial Ownership Limitation herein contained or to make changes or supplements necessary or desirable to properly give effect to such limitation. The limitations contained
in this paragraph shall apply to a successor holder of this Warrant. 
 e) Mechanics of
Exercise. 
 i. Delivery of Certificates Upon Exercise. Certificates for shares
purchased hereunder shall be transmitted by the Transfer Agent to the Holder by crediting the account of the Holder’s prime broker with the Depository Trust Company through its Deposit or Withdrawal at Custodian System (“DWAC”)
if the Company is then a participant in DWAC, and otherwise by physical delivery to the address specified by the Holder in the Notice of Exercise, in either case within three (3) Trading Days from the delivery to the Company of the Notice of
Exercise, surrender of this Warrant (if required) and payment of the aggregate Exercise Price as set forth above (the “Warrant Share Delivery Date”). This Warrant shall be deemed to have been exercised on the date the Exercise Price
is received by the Company. The Warrant Shares shall be deemed to have been issued, and the Holder or any other person so designated to be named in the Notice of Exercise shall be deemed to have become a holder of record of such Warrant Shares for
all purposes, as of the date this Warrant has been exercised by payment to the Company of the Exercise Price and all taxes required to be paid by the Holder, if any, pursuant to Section 2(e)(vi) prior to the issuance of such Warrant Shares have
been paid. If the Company fails for any reason to deliver to the Holder certificates evidencing the Warrant Shares subject to a Notice of Exercise by the second Trading Day following the Warrant Share Delivery Date, the Company shall pay to the
Holder, in cash, as liquidated damages and not as a penalty, for each $1,000 of Warrant Shares subject to such Notice of Exercise (based on the VWAP of the Common Stock on the date of the applicable Notice of Exercise), $10 per Trading Day
(increasing to $20 per Trading Day on the fifth Trading Day after such liquidated damages begin to accrue) for each Trading Day after such second Trading Day following the Warrant Share Delivery Date until such certificates are delivered.

 ii. Delivery of New Warrants Upon Exercise. If this Warrant shall have been exercised
in part, the Company shall, at the request of a Holder and upon surrender of this Warrant, at the time of delivery of the certificate or certificates representing Warrant Shares, deliver to a Holder a new Warrant evidencing the rights of such Holder
to purchase the 

  
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unpurchased Warrant Shares called for by this Warrant, which new Warrant shall in all other respects be identical with this Warrant. 

iii. Rescission Rights. If the Company fails to cause the Transfer Agent to transmit to the Holder
a certificate or the certificates representing the Warrant Shares pursuant to Section 2(e)(i) by the Warrant Share Delivery Date, then, the Holder will have the right to rescind such exercise. 

iv. Compensation for Buy-In on Failure to Timely Deliver Certificates Upon Exercise. In addition to
any other rights available to the Holder, if the Company fails to cause the Transfer Agent to transmit to the Holder a certificate or certificates representing the Warrant Shares pursuant to an exercise on or before the Warrant Share Delivery Date,
and if after such date the Holder is required by its broker to purchase (in an open market transaction or otherwise) or the Holder’s brokerage firm otherwise purchases, shares of Common Stock to deliver in satisfaction of a sale by the Holder
of the Warrant Shares which the Holder anticipated receiving upon such exercise (a “Buy-In”), then the Company shall (A) pay in cash to the Holder the amount by which (x) the Holder’s total purchase price (including
brokerage commissions, if any) for the shares of Common Stock so purchased exceeds (y) the amount obtained by multiplying (1) the number of Warrant Shares that the Company was required to deliver to the Holder in connection with the
exercise at issue times (2) the price at which the sell order giving rise to such purchase obligation was executed, and (B) at the option of the Holder, either reinstate the portion of the Warrant and equivalent number of Warrant Shares
for which such exercise was not honored or deliver to the Holder the number of shares of Common Stock that would have been issued had the Company timely complied with its exercise and delivery obligations hereunder. For example, if the Holder
purchases Common Stock having a total purchase price of $11,000 to cover a Buy-In with respect to an attempted exercise of shares of Common Stock with an aggregate sale price giving rise to such purchase obligation of $10,000, under clause
(A) of the immediately preceding sentence the Company shall be required to pay the Holder $1,000. The Holder shall provide the Company written notice indicating the amounts payable to the Holder in respect of the Buy-In and, upon request of the
Company, evidence of the amount of such loss. Nothing herein shall limit a Holder’s right to pursue any other remedies available to it hereunder, at law or in equity including, without limitation, a decree of specific performance and/or
injunctive relief with respect to the Company’s failure to timely deliver certificates representing shares of Common Stock upon exercise of the Warrant as required pursuant to the terms hereof. 

v. No Fractional Shares or Scrip. No fractional shares or scrip representing fractional shares
shall be issued upon the exercise of this 

  
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Warrant. As to any fraction of a share which a Holder would otherwise be entitled to purchase upon such exercise, the Company shall, at its election, either pay a cash adjustment in respect of
such final fraction in an amount equal to such fraction multiplied by the Exercise Price or round up to the next whole share. 
 vi. Charges, Taxes and Expenses. Issuance of certificates for Warrant Shares shall be made without charge to the Holder for any issue or transfer tax or other incidental expense in respect of the
issuance of such certificate, all of which taxes and expenses shall be paid by the Company, and such certificates shall be issued in the name of the Holder or in such name or names as may be directed by the Holder; provided, however,
that in the event certificates for Warrant Shares are to be issued in a name other than the name of the Holder, this Warrant when surrendered for exercise shall be accompanied by the Assignment Form attached hereto duly executed by the Holder and
the Company may require, as a condition thereto, the payment of a sum sufficient to reimburse it for any transfer tax incidental thereto. 
 vii. Closing of Books. The Company will not close its stockholder books or records in any manner which prevents the timely exercise of this Warrant, pursuant to the terms hereof. 

f) Call Provision. Subject to the provisions of Section 2(d)(i) and this Section 2(f), if
(A) commencing on the six (6) month anniversary of the Initial Exercise Date, the VWAP of the Common Stock for each of 10 consecutive Trading Days (such 10 consecutive Trading Day period, the “Measurement Period”) equals
or exceeds $2.25 (subject to adjustment for forward and reverse stock splits, recapitalizations, stock dividends and the like after the Initial Exercise Date), then the Company may, within three (3) Trading Days of the end of such Measurement
Period, call for the cancellation of up to 50% of the Warrant Shares for which a Notice of Exercise has not yet been delivered to the Company (such right, a “Call”) for consideration equal to $.001 per Warrant Share, and
(B) commencing on the twelve (12) month anniversary of the Initial Exercise Date, the VWAP of the Common Stock on each Trading Day in a Measurement Period equals or exceeds $2.625 (subject to adjustment for forward and reverse stock
splits, recapitalizations, stock dividends and the like after the Initial Exercise Date), then the Company may, within three (3) Trading Days of the end of such Measurement Period, call for the cancellation of up to all of the remaining Warrant
Shares for which a Notice of Exercise has not yet been delivered to the Company (such right, also a “Call”) for consideration equal to $.001 per Warrant Share. To exercise this right, the Company must deliver to the Holder an
irrevocable written notice (a “Call Notice”), indicating therein the unexercised portion of this Warrant to which such Call Notice applies. If the conditions set forth below for such Call are satisfied from the period from the date
of the Call Notice through and including the Call Date (as defined below), then any portion of this Warrant subject to such Call Notice for which a Notice of Exercise shall not have been received by the Company by the Call Date will be cancelled at
6:30 p.m. (New York City time) on the fifth Trading Day after the date the Call Notice is received by the 

  
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Holder (such date and time, the “Call Date”). Any unexercised portion of this Warrant to which the Call Notice does not pertain will be unaffected by such Call Notice. In
furtherance thereof, the Company covenants and agrees that it will honor all Notices of Exercise with respect to Warrant Shares subject to a Call Notice that are tendered through 6:30 p.m. (New York City time) on the Call Date. The parties agree
that any Notice of Exercise delivered following a Call Notice which calls less than all the Warrant Shares shall first reduce to zero the number of Warrant Shares subject to such Call Notice prior to reducing the remaining Warrant Shares available
for purchase under this Warrant. For example, if (A) this Warrant then permits the Holder to acquire 100 Warrant Shares, (B) a Call Notice pertains to 75 Warrant Shares, and (C) prior to 6:30 p.m. (New York City time) on the Call Date
the Holder tenders a Notice of Exercise in respect of 50 Warrant Shares, then (x) on the Call Date the right under this Warrant to acquire 25 Warrant Shares will be automatically cancelled, (y) the Company, in the time and manner required
under this Warrant, will have issued and delivered to the Holder 50 Warrant Shares in respect of the exercises following receipt of the Call Notice, and (z) the Holder may, until the Termination Date, exercise this Warrant for 25 Warrant Shares
(subject to adjustment as herein provided and subject to subsequent Call Notices). Subject to the provisions of this Section 2(f), the Company may deliver subsequent Call Notices for any portion of this Warrant for which the Holder shall not
have delivered a Notice of Exercise. Notwithstanding anything to the contrary set forth in this Warrant, the Company may not deliver a Call Notice or require the cancellation of this Warrant (and any such Call Notice shall be void), unless
(a) from the beginning of the Measurement Period through the Call Date, (i) the Company shall have honored in accordance with the terms of this Warrant all Notices of Exercise delivered by 6:30 p.m. (New York City time) on the Call Date,
(ii) the Common Stock shall be listed or quoted for trading on the Trading Market and (iii) there is a sufficient number of authorized shares of Common Stock for issuance of all Warrant Shares, (b) if the Warrant Shares are subject to
a lock-up agreement that is required by a placement agent, the Call occurs at least 90 days following the expiration of such lock-up agreement, and (c) with respect to the Warrant Shares that are subject to the Call, the issuance of such
Warrant Shares upon exercise of this Warrant by the Holder shall not cause a breach of Section 2(d)(i) herein, provided that, solely for purpose of this clause (c) of this Section 2(f), the Beneficial Ownership Limitation shall be
deemed to be 9.99%. 
 Section 3. Certain Adjustments. 

a) Stock Dividends and Splits. If the Company, at any time while this Warrant is outstanding:
(i) pays a stock dividend or otherwise makes a distribution or distributions on shares of its Common Stock or any other equity or equity equivalent securities payable in shares of Common Stock (which, for avoidance of doubt, shall not include
any shares of Common Stock issued by the Company upon exercise of this Warrant), (ii) subdivides outstanding shares of Common Stock into a larger number of shares, (iii) combines (including by way of reverse stock split) outstanding shares
of Common Stock into a smaller number of shares or (iv) issues by reclassification of shares of the Common Stock any shares of capital stock of the Company, then in each case the Exercise Price shall be multiplied by a fraction of which the
numerator shall be the number of shares of Common Stock (excluding treasury shares, if any) outstanding 

  
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immediately before such event and of which the denominator shall be the number of shares of Common Stock outstanding immediately after such event and the number of shares issuable upon exercise
of this Warrant shall be proportionately adjusted such that the aggregate Exercise Price of this Warrant shall remain unchanged. Any adjustment made pursuant to this Section 3(a) shall become effective immediately after the record date for the
determination of stockholders entitled to receive such dividend or distribution and shall become effective immediately after the effective date in the case of a subdivision, combination or re-classification. 

b) [RESERVED] 

c) Subsequent Rights Offerings. If the Company, at any time while this Warrant is outstanding,
shall issue rights, options or warrants to all holders of Common Stock (and not to Holders of the Warrants) entitling them to subscribe for or purchase shares of Common Stock at a price per share less than the VWAP at the record date mentioned
below, then, the Exercise Price shall be multiplied by a fraction, of which the denominator shall be the number of shares of the Common Stock outstanding on the date of issuance of such rights or warrants plus the number of additional shares of
Common Stock offered for subscription or purchase, and of which the numerator shall be the number of shares of the Common Stock outstanding on the date of issuance of such rights or warrants plus the number of shares which the aggregate offering
price of the total number of shares so offered (assuming receipt by the Company in full of all consideration payable upon exercise of such rights, options or warrants) would purchase at such VWAP. Such adjustment shall be made whenever such rights
or warrants are issued, and shall become effective immediately after the record date for the determination of stockholders entitled to receive such rights, options or warrants. 

d) Pro Rata Distributions. If the Company, at any time while this Warrant is outstanding, shall
distribute to all holders of Common Stock (and not to Holders of the Warrants) evidences of its indebtedness or assets (including cash and cash dividends) or rights or warrants to subscribe for or purchase any security, then in each such case the
Exercise Price shall be adjusted by multiplying the Exercise Price in effect immediately prior to the record date fixed for determination of stockholders entitled to receive such distribution by a fraction of which the denominator shall be the VWAP
determined as of the record date mentioned above, and of which the numerator shall be such VWAP on such record date less the then per share fair market value at such record date of the portion of such assets or evidence of indebtedness so
distributed applicable to one outstanding share of the Common Stock as determined by the Board of Directors in good faith. In either case the adjustments shall be described in a statement provided to the Holder of the portion of assets or evidences
of indebtedness so distributed or such subscription rights applicable to one share of Common Stock. Such adjustment shall be made whenever any such distribution is made and shall become effective immediately after the record date mentioned above.

 e) Fundamental Transaction. If, at any time while this Warrant is outstanding,
(i) the Company effects any merger or consolidation of the Company with or into another Person, (ii) the Company effects any sale of all or substantially all of its 

  
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assets in one or a series of related transactions, (iii) any tender offer or exchange offer (whether by the Company or another Person) is completed pursuant to which holders of Common Stock
are permitted to tender or exchange their shares for other securities, cash or property or (iv) the Company effects any reclassification of the Common Stock or any compulsory share exchange pursuant to which the Common Stock is effectively
converted into or exchanged for other securities, cash or property (each, a “Fundamental Transaction”), then, upon any subsequent exercise of this Warrant, the Holder shall have the right to receive, for each Warrant Share that
would have been issuable upon such exercise immediately prior to the occurrence of such Fundamental Transaction, the number of shares of Common Stock of the successor or acquiring corporation or of the Company, if it is the surviving corporation,
and any additional consideration (the “Alternate Consideration”) receivable as a result of such merger, consolidation or disposition of assets by a holder of the number of shares of Common Stock for which this Warrant is exercisable
immediately prior to such event. For purposes of any such exercise, the determination of the Exercise Price shall be appropriately adjusted to apply to such Alternate Consideration based on the amount of Alternate Consideration issuable in respect
of one share of Common Stock in such Fundamental Transaction, and the Company shall apportion the Exercise Price among the Alternate Consideration in a reasonable manner reflecting the relative value of any different components of the Alternate
Consideration. If holders of Common Stock are given any choice as to the securities, cash or property to be received in a Fundamental Transaction, then the Holder shall be given the same choice as to the Alternate Consideration it receives upon any
exercise of this Warrant following such Fundamental Transaction. To the extent necessary to effectuate the foregoing provisions, any successor to the Company or surviving entity in such Fundamental Transaction shall issue to the Holder a new warrant
consistent with the foregoing provisions and evidencing the Holder’s right to exercise such warrant into Alternate Consideration. The terms of any agreement pursuant to which a Fundamental Transaction is effected shall include terms requiring
any such successor or surviving entity to comply with the provisions of this Section 3(e) and insuring that this Warrant (or any such replacement security) will be similarly adjusted upon any subsequent transaction analogous to a Fundamental
Transaction. Notwithstanding anything to the contrary, in the event of a Fundamental Transaction that is (1) an all cash transaction, (2) a “Rule 13e-3 transaction” as defined in Rule 13e-3 under the Exchange Act, or (3) a
Fundamental Transaction involving a person or entity not traded on a national securities exchange, the NASDAQ Global Select Market, the NASDAQ Global Market, or the NASDAQ Capital Market, the Company or any successor entity shall pay at the
Holder’s option, exercisable at any time concurrently with or within 30 days after the consummation of the Fundamental Transaction, an amount of cash equal to the Black Scholes Value. 

f) Calculations. All calculations under this Section 3 shall be made to the nearest cent or
the nearest 1/100th of a share, as the case may be. For purposes of this Section 3, the number of shares of Common Stock deemed to be issued and outstanding as of a given date shall be the sum of the number of shares of Common Stock (excluding
treasury shares, if any) issued and outstanding. 
 g) Notice to Holder. 

  
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 i. Adjustment to Exercise Price. Whenever the
Exercise Price is adjusted pursuant to any provision of this Section 3, the Company shall promptly mail to the Holder a notice setting forth the Exercise Price after such adjustment and setting forth a brief statement of the facts requiring
such adjustment. If the Company enters into a Variable Rate Transaction, the Company shall be deemed to have issued Common Stock or Common Stock Equivalents at the lowest possible conversion or exercise price at which such securities may be
converted or exercised in such Variable Rate Transaction. 
 ii. Notice to Allow Exercise by
Holder. If (A) the Company shall declare a dividend (or any other distribution in whatever form) on the Common Stock, (B) the Company shall declare a special nonrecurring cash dividend on or a redemption of the Common Stock,
(C) the Company shall authorize the granting to all holders of the Common Stock rights or warrants to subscribe for or purchase any shares of capital stock of any class or of any rights, (D) the approval of any stockholders of the Company
shall be required in connection with any reclassification of the Common Stock, any consolidation or merger to which the Company is a party, any sale or transfer of all or substantially all of the assets of the Company, or any compulsory share
exchange whereby the Common Stock is converted into other securities, cash or property, or (E) the Company shall authorize the voluntary or involuntary dissolution, liquidation or winding up of the affairs of the Company, then, in each case,
the Company shall cause to be mailed to the Holder at its last address as it shall appear upon the Warrant Register (as defined below) of the Company, at least 20 calendar days prior to the applicable record or effective date hereinafter specified,
a notice stating (x) the date on which a record is to be taken for the purpose of such dividend, distribution, redemption, rights or warrants, or if a record is not to be taken, the date as of which the holders of the Common Stock of record to
be entitled to such dividend, distributions, redemption, rights or warrants are to be determined or (y) the date on which such reclassification, consolidation, merger, sale, transfer or share exchange is expected to become effective or close,
and the date as of which it is expected that holders of the Common Stock of record shall be entitled to exchange their shares of the Common Stock for securities, cash or other property deliverable upon such reclassification, consolidation, merger,
sale, transfer or share exchange; provided that the failure to mail such notice or any defect therein or in the mailing thereof shall not affect the validity of the corporate action required to be specified in such notice. The Holder is entitled to
exercise this Warrant during the 20 day period commencing on the date of such notice to the effective date of the event triggering such notice. 
 Section 4. Transfer of Warrant. 
  

  
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 a) Transferability. This Warrant and the Warrant
Shares may be transferred, sold or resold by the Holder or any holders thereof without registration or restriction; provided that the transfer, sale or resale of this Warrant and the Warrant Shares by any recipient thereof would not be exempted
under Section 1145 of the Bankruptcy Code if such recipient is deemed to be an underwriter. This Warrant and all rights hereunder (including, without limitation, any registration rights) are transferable, in whole or in part, upon surrender of
this Warrant at the principal office of the Company or its designated agent, together with a written assignment of this Warrant substantially in the form attached hereto duly executed by the Holder or its agent or attorney and funds sufficient to
pay any transfer taxes payable upon the making of such transfer. Upon such surrender and, if required, such payment, the Company shall execute and deliver a new Warrant or Warrants in the name of the assignee or assignees, as applicable, and in the
denomination or denominations specified in such instrument of assignment, and shall issue to the assignor a new Warrant evidencing the portion of this Warrant not so assigned, and this Warrant shall promptly be cancelled. The Warrant, if properly
assigned, may be exercised by a new holder for the purchase of Warrant Shares without having a new Warrant issued. 
 b) New Warrants. This Warrant may be divided or combined with other Warrants upon presentation hereof at the aforesaid office of the Company, together with a written notice specifying the names and
denominations in which new Warrants are to be issued, signed by the Holder or its agent or attorney. Subject to compliance with Section 4(a), as to any transfer which may be involved in such division or combination, the Company shall execute
and deliver a new Warrant or Warrants in exchange for the Warrant or Warrants to be divided or combined in accordance with such notice. All Warrants issued on transfers or exchanges shall be dated the Initial Exercise Date and shall be identical
with this Warrant except as to the number of Warrant Shares issuable pursuant thereto. 
 c)
Warrant Register. The Company shall register this Warrant, upon records to be maintained by the Company for that purpose (the “Warrant Register”), in the name of the record Holder hereof from time to time. The Company may
deem and treat the registered Holder of this Warrant as the absolute owner hereof for the purpose of any exercise hereof or any distribution to the Holder, and for all other purposes, absent actual notice to the contrary. 

Section 5. Miscellaneous. 

a) No Rights as Stockholder Until Exercise. This Warrant does not entitle the Holder to any voting
rights or other rights as a stockholder of the Company prior to the exercise hereof as set forth in Section 2(e)(i). 
 b) Loss, Theft, Destruction or Mutilation of Warrant. The Company covenants that upon receipt by the Company of evidence reasonably satisfactory to it of the loss, theft, destruction or mutilation
of this Warrant or any stock certificate relating to the Warrant Shares, and in case of loss, theft or destruction, of indemnity or security reasonably satisfactory to it (which, in the case of the Warrant, shall not include the


  
 13 









 
posting of any bond), and upon surrender and cancellation of such Warrant or stock certificate, if mutilated, the Company will make and deliver a new Warrant or stock certificate of like tenor
and dated as of such cancellation, in lieu of such Warrant or stock certificate. 
 c)
Saturdays, Sundays, Holidays, etc. If the last or appointed day for the taking of any action or the expiration of any right required or granted herein shall not be a Business Day, then, such action may be taken or such right may be exercised
on the next succeeding Business Day. 
 d) Authorized Shares. 

i. The Company covenants that, during the period the Warrant is outstanding, it will reserve from its
authorized and unissued Common Stock a sufficient number of shares to provide for the issuance of the Warrant Shares upon the exercise of any purchase rights under this Warrant. The Company further covenants that its issuance of this Warrant shall
constitute full authority to its officers who are charged with the duty of executing stock certificates to execute and issue the necessary certificates for the Warrant Shares upon the exercise of the purchase rights under this Warrant. The Company
will take all such reasonable action as may be necessary to assure that such Warrant Shares may be issued as provided herein without violation of any applicable law or regulation, or of any requirements of the Trading Market upon which the Common
Stock may be listed. The Company covenants that all Warrant Shares which may be issued upon the exercise of the purchase rights represented by this Warrant will, upon exercise of the purchase rights represented by this Warrant, be duly authorized,
validly issued, fully paid and nonassessable and free from all taxes, Liens and charges created by the Company in respect of the issue thereof (other than taxes in respect of any transfer occurring contemporaneously with such issue). 

ii. Except and to the extent as waived or consented to by the Holder, the Company shall not by any action,
including, without limitation, amending its articles of incorporation or through any reorganization, transfer of assets, consolidation, merger, dissolution, issue or sale of securities or any other voluntary action, avoid or seek to avoid the
observance or performance of any of the terms of this Warrant, but will at all times in good faith assist in the carrying out of all such terms and in the taking of all such actions as may be necessary or appropriate to protect the rights of the
Holder as set forth in this Warrant against impairment. Without limiting the generality of the foregoing, the Company will (i) not increase the par value of any Warrant Shares above the amount payable therefor upon such exercise immediately
prior to such increase in par value, (ii) take all such action as may be necessary or appropriate in order that the Company may validly and legally issue fully paid and nonassessable Warrant Shares upon the exercise of this Warrant and
(iii) use commercially reasonable efforts to obtain all such authorizations, exemptions or consents from any public regulatory body 

  
 14 









 
having jurisdiction thereof, as may be necessary to enable the Company to perform its obligations under this Warrant. 

iii. Before taking any action which would result in an adjustment in the number of Warrant Shares for
which this Warrant is exercisable or in the Exercise Price, the Company shall obtain all such authorizations or exemptions thereof, or consents thereto, as may be necessary from any public regulatory body or bodies having jurisdiction thereof.

 e) Governing Law. All questions concerning the construction, validity, enforcement and
interpretation of this Warrant shall be governed by and construed and enforced in accordance with the internal laws of the State of New York, 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 Warrant (whether brought against a party hereto or its respective affiliates, directors, officers, shareholders, employees or agents) shall be commenced
exclusively in the state and federal courts sitting in the City of New York. Each party hereby irrevocably submits to the exclusive jurisdiction of the state and federal courts sitting in the City of New York, Borough of Manhattan for the
adjudication of any dispute hereunder or in connection herewith or with any transaction contemplated hereby or discussed herein, 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, or that such court is an inconvenient venue for such proceeding. 

f) [RESERVED] 

g) Nonwaiver and Expenses. No course of dealing or any delay or failure to exercise any right
hereunder on the part of the Holder shall operate as a waiver of such right or otherwise prejudice the Holder’s rights, powers or remedies, notwithstanding the fact that all rights hereunder terminate on the Termination Date. If the Company
willfully and knowingly fails to comply with any provision of this Warrant, which results in any material damages to the Holder, the Company shall pay to the Holder such amounts as shall be sufficient to cover any costs and expenses including, but
not limited to, reasonable attorneys’ fees, including those of appellate proceedings, incurred by the Holder in collecting any amounts due pursuant hereto or in otherwise enforcing any of its rights, powers or remedies hereunder. 

h) 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 prior to 5:30 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 on a day that is not a Trading Day or later than 5:30 p.m. (New York City time) on any Trading Day,
(c) the second (2nd) Trading Day following the
date of mailing, if sent by U.S. nationally recognized overnight courier 

  
 15 









 
service or (d) upon actual receipt by the party to whom such notice is required to be given. 

i) Limitation of Liability. No provision hereof, in the absence of any affirmative action by the
Holder to exercise this Warrant to purchase Warrant Shares, and no enumeration herein of the rights or privileges of the Holder, shall give rise to any liability of the Holder for the purchase price of any Common Stock or as a stockholder of the
Company, whether such liability is asserted by the Company or by creditors of the Company. 
 j)
Remedies. The Holder, in addition to being entitled to exercise all rights granted by law, including recovery of damages, will be entitled to specific performance of its rights under this Warrant. The Company agrees that monetary damages
would not be adequate compensation for any loss incurred by reason of a breach by it of the provisions of this Warrant and hereby agrees to waive and not to assert the defense in any action for specific performance that a remedy at law would be
adequate. 
 k) Successors and Assigns. Subject to applicable securities laws, this
Warrant and the rights and obligations evidenced hereby shall inure to the benefit of and be binding upon the successors of the Company and the successors and permitted assigns of the Holder. The provisions of this Warrant are intended to be for the
benefit of all holders from time to time of this Warrant and shall be enforceable by the Holder or holder of Warrant Shares. 
 l) Amendment. This Warrant may be modified or amended or the provisions hereof waived with the written consent of the Company and the Holder. 

m) Severability. Wherever possible, each provision of this Warrant shall be interpreted in such
manner as to be effective and valid under applicable law, but if any provision of this Warrant shall be prohibited by or invalid under applicable law, such provision shall be ineffective to the extent of such prohibition or invalidity, without
invalidating the remainder of such provisions or the remaining provisions of this Warrant. 
 n)
Headings. The headings used in this Warrant are for the convenience of reference only and shall not, for any purpose, be deemed a part of this Warrant. 
 ******************** 
 (Signature Page Follows) 

  
 16 









 IN WITNESS WHEREOF, the Company has caused this Warrant to be executed by its officer
thereunto duly authorized as of the date first above indicated. 
  

			
	ACCENTIA BIOPHARMACEUTICALS, INC.
		
	By:	 	  

		 	Name: Samuel S. Duffey
		 	Title: President



  
 17 









 NOTICE OF EXERCISE 

 

	TO:	ACCENTIA BIOPHARMACEUTICALS, INC. 

 (1) The undersigned hereby elects to purchase             Warrant Shares of the Company pursuant to the terms of the attached Warrant
(only if exercised in full), and tenders herewith payment of the exercise price in full, together with all applicable transfer taxes, if any. 
 (2) Payment shall take the form of: 
 [ ] in lawful
money of the United States. 
 (3) Please 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 DWAC Account Number or by physical delivery of a certificate to: 

                 
                                    

                 
                                    

                 
                                    

(4) Accredited Investor. The undersigned is an “accredited investor” as defined in Regulation D
promulgated under the Securities Act of 1933, as amended. 
 [SIGNATURE OF HOLDER] 

 

			
	Name of Investing Entity:	 	  



			
	Signature of Authorized Signatory of Investing Entity:	 	  



			
	Name of Authorized Signatory:	 	  



			
	Title of Authorized Signatory:	 	  



			
	Date:	 	  









 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, [            ] all of or
[            ] shares of the foregoing Warrant and all rights evidenced thereby are hereby assigned to 
                                  
                                         
              whose address is 

                         
                                         
                                         
         . 

                         
                                         
                                         
          
 Dated:
            ,          
  

			
	Holder’s Signature:	 	  

		
	Holder’s Address:	 	  

		
		 	  


 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.