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                                                                     EXHIBIT 4.1

              INCORPORATED UNDER THE LAWS OF THE STATE OF DELAWARE

                              HAMPDEN BANCORP, INC.
                           SPRINGFIELD, MASSACHUSETTS

          $.01 par value common stock -- fully paid and non-assessable

                               CUSIP NO. 40867E 10 7

This certifies that _________________ is the owner of ______________ shares of
the common stock of HAMPDEN BANCORP, INC.
(the "Corporation"), a Delaware corporation.

The shares evidenced by this Certificate are transferable only on the stock
transfer books of the Corporation by the holder of record hereof, in person or
by his or her duly authorized attorney or legal representative, upon surrender
of this Certificate properly endorsed. This Certificate is not valid until
countersigned and registered by the Corporation's transfer agent and registrar.
THIS SECURITY IS NOT A DEPOSIT OR ACCOUNT AND IS NOT FEDERALLY INSURED OR
GUARANTEED.

IN WITNESS WHEREOF, the Corporation has caused this Certificate to be executed
by the facsimile signatures of its duly authorized officers and has caused it
seal to be affixed hereto.

Dated:
      --------------------------------

_____________________________________(SEAL)_____________________________________
             SECRETARY                                  PRESIDENT

     The shares evidenced by this Certificate are subject to a limitation
contained in the Certificate of Incorporation to the effect that in no event
shall any record owner or any outstanding Common Stock which is beneficially
owned, directly or indirectly, by a person who beneficially owns in excess of
10% of the outstanding shares of Common Stock (the "Limit") be entitled or
permitted to any vote in respect of shares held in excess of the Limit.

     The Board of Directors of the Corporation is authorized by resolution or
resolutions, from time to time adopted, to provide for the issuance of serial
preferred stock in series and to fix and state the voting powers, designations,
preferences, limitations and restrictions thereof. Pursuant to Section 151 of
the Delaware General Corporation Law, the Corporation will furnish without
charge to each stockholder who so requests the powers, designations, preferences
and relative, participating, optional, or other special rights of each class of
stock or series thereof and the qualifications, limitations or restrictions of
such preferences and/or rights.

     The shares represented by this Certificate may not be cumulatively voted on
any matter. The Certificate of Incorporation requires the affirmative vote of
the holders of at least 80% of the voting stock of the Corporation, voting
together as a single class, to approve certain business combinations and other
transactions and to amend certain provisions of the Certificate of
Incorporation.

     The following abbreviations when used in the inscription on the face of
this Certificate, shall be construed as though they were written out in full
according to applicable laws or regulations.

TEN COM
       -- as tenants in common         UNIF GIFT MIN ACT--______Custodian_______
                                                          (Cust)         (Minor)
TEN ENT
       -- as tenants by the entireties

                                       Under Uniform Transfer to Minors Act

<Page>

JT TEN
            -- as joint tenants with right
               of survivorship and not         ---------------------------------
               as tenants in common                         (State)

     Additional abbreviations may also be used though not in the above list

For value received, ______________ hereby sell, assign and transfer unto
Please Insert Social Security Number or Other Identifying Number

____________________________________________

____________________________________________

________________________________________________________________________________

             (please print or typewrite name and address including
                          postal zip code of assignee)

________________________________________________________________________________
_________________________________________________________________ Shares of the
Common Stock represented by the within Certificate, and do hereby irrevocably
constitute and appoint ___________________ Attorney to transfer the said shares
on the books of the within named corporation with full power of substitution in
the premises.

Dated:______________

In the presence of                             Signature:

_________________________________              _________________________________

NOTE: THE SIGNATURE TO THIS ASSIGNMENT MUST CORRESPOND WITH THE NAME OF THE
STOCKHOLDER(S) AS WRITTEN UPON THE FACE OF THE CERTIFICATE, IN EVERY PARTICULAR,
WITHOUT ALTERATION OR ENLARGEMENT, OR ANY CHANGE WHATEVER.

SIGNATURE GUARANTEED: _________________________________________________ THE
SIGNATURE(S) SHOULD BE GUARANTEED BY AN ELIGIBLE GUARANTOR INSTITUTION
(BANKS, STOCKBROKERS, SAVINGS AND LOAN ASSOCIATIONS AND CREDIT UNIONS WITH
MEMBERSHIP IN AN APPROVED SIGNATURE GUARANTEE MEDALLION PROGRAM), PURSUANT TO
S.E.C. RULE 17Ad-15.QuickLinks
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Exhibit 10.76  

 
 

Wynn Starr Special Products LLC
  5 Pearl Court
  Allendale, NJ 07401    
    

October 20,
2006 

Mr. Richard
Falcone

Tasker Products Corp.

39 Old Ridgebury Road—Suite 14

Danbury, CT 06810 

Mr. David
L. Dickinson

Pharlo IP, LLC

96 Willard Street, Ste. 101

Cocoa, FL 32922 

Gentlemen: 

        We
entered into an Exclusive Field Of Use License Agreement and Product Sale Agreement dated as of September 16, 2004 ("Agreement") with Tasker Products Corp. f/k/a Tasker Capital
Corp., Pharlo Citrus Technologies, Inc. and Indian River Labs, LLC. Under this agreement, the undersigned was granted the exclusive license to market and distribute the Licensed Product (as
defined therein) based on the Licensed Technology (as that term is defined in the aforementioned Agreement) within the United States of America (U.S.) and Canada. The Agreement was modified by
amendment effective
March 18, 2005 ("March 18 Amendment"), which modification expanded the Licensed Territory (as defined therein) to worldwide. 

        We
would now like to further modify the Agreement with respect to some additional provisions as follows: 

1.    Paragraph 4
of the "Agreement" shall be deleted in its entirely and as amended, shall read as follows: 

        "4.
Royalty Payments: 

        4(a). In
further consideration of the License, Licensee hereby agrees to pay Licensor a royalty of 70% (U.S.) of the Net Sales Price for each gallon of Licensed Products
sold by Licensor, Licensee or any sublicensee hereunder for which payment has been received from a customer ("Per Unit Royalty"), subject to the limitations set forth in clause 4(c) below,
provided, that should the Per Unit Royalty equal less than Licensor's per gallon manufacturing costs plus 40% of the per gallon manufacturing costs for any Licensed
Product ("Cost Plus"), then, unless otherwise agreed to by the parties in advance, in writing, in place of the Per Unit Royalty Licensee shall pay Licensor a royalty of Cost Plus for each gallon of
such Licensed Products sold by Licensee or any sublicensee hereunder for which payment has been received from a customer ("Cost Plus Royalty"). Manufacturing costs will be established by Licensor
within seven (7) days following the date of this Amendment. To the extent that the manufacturing cost varies by greater than five percent (5%), the parties agree to equally share the additional
cost or savings of the manufacturing costs, as the case may be. Payment to Licensor of the Per Unit Royalty and/or the Cost Plus Royalty shall be made by Licensee within fifteen (15) days
following receipt by Licensee or its sublicensee from a customer of any and all payments for Licensed Products. 

        4(b). "Net
Sales Price" shall mean the respective gross sales price at which a gallon of each of the Licensed Products is sold to a customer, less the per gallon cost of
returns, taxes, duties, shipping and other non-pass through costs. 

        4(c). To
the extent that Net Sales Price of a Licensed Product exceeds $100 per gallon, Licensee,Licensor and Pharlo shall
share equally in the amount of such excess (it being understood that the terms of clause 4(a) above shall not apply to such excess), which amounts shall be paid by Licensee to Licensor and
Pharlo within fifteen (15) days after receipt of payment by Licensee from its customers. 

        Each
party shall be entitled to approve the creditworthiness of any customer placing an order in excess of three hundred thousand dollars ($300,000) or other selective customers at the
reasonable discretion of a party, before Licensee sells any Licensed Product to such customer hereunder." 

	2.
	Paragraph 13
shall be amended to read as follows: 

"Licensee
shall not have the right to grant a sublicense under this Agreement without prior written consent of the Licensor, which consent shall not be unreasonably withheld. Neither party shall have
the right to assign all or any portion of this Agreement without the prior written consent of the other, which consent shall not be unreasonably withheld." 

	3.
	Add
new Paragraph 22 as follows:

	"22.
	Target
Criteria: 

        22(a). Licensee
shall, within twenty four (24) months from January 1, 2007 ("Target Date"), have sold and implemented the Licensed Technology to and in
(i) fifteen percent (15%) of the approximately 200 U.S. poultry processing plants and (ii) a commercially reasonable number of poultry plants in countries outside of the U.S. ("Target
Criteria"). Obtaining regulatory approval outside of the U.S., to the extent necessary, shall be the responsibility of Licensor. 

        22(b). Licensor
and Licensee acknowledge and agree that Licensor has received a "No Objection" letter from the USDA that allows Licensor and Licensee to implement the
Licensed Technology for use in scalder and post pick spray booth applications. It shall be the responsibility of Licensor to obtain from the USDA "No Objection" letters with respect to the
intervention functions of the post chill dip, the picker, the chill tank and the online processing functions of poultry processing plants in the U.S. 

        22(c). Should
Licensee fail to achieve the Target Criteria, Licensor shall have the right to immediately terminate this Agreement, provided,
that should Licensee have sold and implemented the Licensed Technology to and in twelve (12) of the U.S. poultry processing plants by the Target Date, then Licensee shall have an additional
twelve (12) months to achieve the Target Criteria. Should Licensee fail to fully achieve the Target Criteria after the additional twelve (12) month period, this Agreement shall
automatically terminate, unless agreed otherwise in advance, in writing, by the parties." 

4.    Except
as specifically amended hereby and by the March 18 Amendment, the Agreement is in all respects ratified and confirmed. 

        If
the foregoing correctly sets forth our agreement, please sign and return to the undersigned a copy of this letter. 

Very
truly yours, 

Wynn Starr Special Products LLC  

	By:	 	/s/  STEVEN ZAVAGLI      
 Steven Zavagli, President	 	 	 	 
	

Agreed to:	
 	

 	
 	

 
	
Tasker Products Corp.

f/k/a Tasker Capital Corp.	
 	

Pharlo IP, LLC,

Formerly, Indian River Labs LLC

and Pharlo Citrus Technologies, Inc.
	

By:	
 	

/s/  RICHARD FALCONE      
 Mr. Richard Falcone, President and CEO	
 	

By:	
 	

/s/  DAVID L. DICKINSON      
 David L. Dickinson

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Wynn Starr Special Products LLC 5 Pearl Court Allendale, NJ 07401

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