Document:

<Page>

                                    AGREEMENT

     This agreement (this "Agreement") is dated as of the 17th day of July, 2002
by and between Collegis, Inc., a Delaware corporation ("Collegis") and Salt
Creek Ventures, LLC, a Delaware limited liability company ("Salt Creek").

     WHEREAS, Collegis wishes to continue receiving the administrative services
that have been provided to it by Salt Creek, and

     WHEREAS, Salt Creek wishes to continue to provide such services,

     NOW THEREFORE, the parties hereto agree as follows:

     1. During the Term of this Agreement, Salt Creek agrees to provide Collegis
with administrative, supervisory and oversight services on an as-needed basis,
including without limitation, (i) advisory services regarding corporate
development, acquisitions, joint ventures and strategic partnerships; (ii)
strategic planning; (iii) assessments regarding Collegis' competitive position;
and (iv) sales support through senior client relationships. Salt Creek further
agrees to provide supplemental services and support staff personnel to the board
of directors of Collegis. Salt Creek agrees to take all reasonable steps to
assure the availability of Robert E. King to perform the services to be provided
to Collegis hereunder.

     2. In consideration for the services to be provided by Salt Creek, Collegis
agrees to pay Salt Creek $62,500 per calendar quarter, payable in advance,
throughout the Term of this Agreement. No prior invoices for such amount shall
be required.

     3. The Term ("Term") of this Agreement shall commence on the date of this
Agreement indicated above and shall continue until terminated. This Agreement
may be terminated (a) at any time upon the mutual agreement of the parties, or
(b) by either party, upon one (1) year's prior notice. Notwithstanding the
foregoing, this Agreement may not terminate pursuant to subsection (b) during a
period commencing on the date of any Liquidity Event and ending on the first
anniversary thereof. For purposes of this Agreement, "Liquidity Event" means a
sale of all or substantially all of the assets of the business of Collegis or a
change in ownership control of Collegis.

     IN WITNESS WHEREOF, the parties have hereby executed this Agreement.

                                       COLLEGIS, INC.

                                       By:
                                          ----------------------------------

                                       SALT CREEK VENTURES, LLC

                                       By:
                                          ----------------------------------<Page>

                                                                     EXHIBIT 4.1

                      UNITED WISCONSIN GRAIN PRODUCERS, LLC
                             SUBSCRIPTION AGREEMENT
                                Membership Units

<Table>
<Caption>
                     BEFORE [DATE], 2002     AFTER [DATE], 2002 AND BEFORE     AFTER [DATE], 2002
                                                       [DATE], 2002

<S>                  <C>                     <C>                               <C>
OFFERING PRICE              $1,000                       $1,100                      $1,200
   PER UNIT
</Table>

                                 10 UNIT MINIMUM

The undersigned subscriber, desiring to become a member of United Wisconsin
Grain Producers, LLC ("UWGP"), a Wisconsin limited liability company, with its
principal place of business at W7503 Country Drive, Beaver Dam, Wisconsin,
53916, hereby subscribes for the purchase of the membership interests of UWGP,
and agrees to pay the related purchase price, identified below.

A.           SUBSCRIBER INFORMATION. Please print your individual or entity name
and address. Joint subscribers should provide their respective names. Your name
and address will be recorded exactly as printed below.

   1.        Subscriber's Printed Name     _____________________________________

   2.        Title, if applicable:         _____________________________________

   3.        Subscriber's Address:

                Street                     _____________________________________

                City, State, Zip Code      _____________________________________

B.           NUMBER OF UNITS PURCHASED. You must purchase at least 10 units.
Your ownership interest may not exceed 30% of all of our outstanding membership
units. Accordingly, assuming that we sell the minimum number of 19,250 Units in
this Offering, you may not purchase more than 6,207 Units. We presently have
1,440 Units outstanding.

                _______________________

C.           PURCHASE PRICE.  Indicate the dollar amount of your investment.

<Table>
<Caption>

          1. Total Purchase Price     =    2. Ten Percent (10%) 1st Installment  +    3. Ninety Percent (90%) 2nd Installment
             --------------------             ---------------------------------          ------------------------------------
<S>                                        <C>                                        <C>
(The  Offering  Price  Per Unit from        (10% of the Total Purchase Price)         (90%  of the  Total  Purchase
the  appropriate  time period  above                                                  Price)
multiplied  by the  number  in box B
above.)
                                       =                                         +
_____________________________________       ____________________________________      _______________________________________
</Table>

D.           GENERAL INSTRUCTIONS FOR SUBSCRIBERS:

You should read the Prospectus dated August 1, 2002 (the "Prospectus") in its
entirety including financial statements and exhibits for a complete explanation
of an investment in UWGP. To subscribe, you must:

             1.   Complete all information required in this Subscription
Agreement, and date and sign this Subscription Agreement at page 5.

             2.   Complete all information required by the Member Signature
Page of the Operating Agreement, and date and sign the Member Signature Page
(the last page attached to this Subscription Agreement).

             3.   Immediately provide your personal (or business) check for the
first installment of ten percent (10%) of your investment amount made payable to
"U.S. BANK -- ESCROW AGENT FOR UWGP". You will determine this amount in box C.2
on page 1 of this Subscription Agreement.

                                        1
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             4.   Execute the Promissory Note on page 7 of this Subscription
Agreement evidencing your commitment to pay the remaining ninety percent (90%)
due for the Units that is attached to this Subscription Agreement.

             5.   Deliver each of the original executed documents referenced in
Items 1, 2, and 4 of these Instructions, together with your personal check
described in Item 3 of these Instructions to any one of the UWGP board members
listed below or via mail to:

                                 U.S. Bank, N.A.
                    1555 North River Center Drive, Suite 301
                               Milwaukee, WI 53212

             6.   Secure an additional personal (or business) check for the
second installment of ninety percent (90%) of your investment amount made
payable to "U.S. BANK -- ESCROW AGENT FOR UWGP" in satisfaction of the
Promissory Note. You will determine this amount in box C.3 on page 1 of this
Subscription Agreement. Deliver this check to the same address set forth above
in Instruction 5 within twenty (20) days of the date of UWGP's written notice
that its sales of Units have exceeded the Minimum Escrow Deposit of $19,250,000.

Your funds will be placed in UWGP's escrow account at U.S. Bank, and the
funds will be released to UWGP or returned to you in accordance with the
escrow arrangements described in the Prospectus. If UWGP rejects your
subscription, your Subscription Agreement and investment will be returned to
you within 30 days of such rejection, plus nominal interest, minus escrow
fees. UWGP may not consider the acceptance or rejection of your subscription
until a future date near the end of this Offering.

YOU MAY DIRECT YOUR QUESTIONS TO ONE OF OUR DIRECTORS LISTED BELOW OR TO UWGP AT
(920) 635-4282.

<Table>
<Caption>
                                           Additional
     Director        Telephone Number    Telephone Number
     --------        ----------------    ----------------
<S>                   <C>                <C>
Mr. Kevin M. Roche    (920) 210-2490

Charles W. Hammer     (920) 887-2471     (920) 210-1471

Robert Miller         (262) 966-2702

Nancy Kavazanjian     (920) 887-2471     (920) 210-7503

Carl Benck            (920) 484-3943     (920) 948-3127

Cal Dalton            (608) 429-2544     (608) 444-1571

Jerry Franz           (608) 635-4093

William R.
Herrmann              (920) 623-3729

Bob Lange             (920) 623-3317

Berwyn Westra         (920) 326-3885
</Table>

E.           ADDITIONAL SUBSCRIBER INFORMATION. The subscriber, named above,
certifies the following under penalties of perjury:

             1.   FORM OF OWNERSHIP. Check the appropriate box (one only) to
                  indicate form of ownership. If the subscriber is a Custodian,
                  Corporation, Partnership or Trust, please provide the
                  additional information requested.

                  / /  Individual

                  / /  Joint Tenants with Right of Survivorship (Both
                       signatures must appear below)

                  / /  Corporation or Partnership (Corporate Resolutions or
                       Partnership Agreement must be enclosed)

                  / /  IRA

                  / /  KEOGH

                                        2
<Page>

                  / /  Pension or Profit Sharing Plan

                  / /  Trust

                       Trustee's Name: ___________________________________

                       Trust Date: _______________________________________

                  / /  Other: Provide detailed information in the space
                       immediately below.

             2.   SUBSCRIBER'S TAXPAYER INFORMATION. Check the appropriate box
                  if you are a non-resident alien, a U.S. Citizen residing
                  outside the United States or subject to back up withholding.
                  KEOGHS should provide the taxpayer identification number of
                  the account and the social security number of the
                  accountholder. Trusts should provide their taxpayer
                  identification number. Custodians should provide the minor's
                  social security number. All individual subscribers and IRA
                  subscribers should provide their social security number. Other
                  entities should provide their taxpayer identification number.

                  / /  Check box if you are a non-resident alien

                  / /  Check box if you are a U.S. citizen residing outside of
                       the United States

                  / /  Check this box if you are subject to backup withholding

                  Subscriber's Social Security No.    _______________________

                  Joint Subscriber's Social Security No.   ____________________

                  Taxpayer Identification No.         _______________________

             3.   MEMBER REPORT ADDRESS. If you would like duplicate copies of
                  member reports sent to an address that is different than the
                  address identified in section A, please complete this section.

                  Address:          _____________________________

                                    _____________________________

             4.   STATE OF RESIDENCE.

                  State of Principal Residence:              _______________

                  State where driver's license is issued     _______________

                  State where income taxes are filed         _______________

                  State(s) in which you have maintained your principal residence
                  during the past three years:

                  a. __________________ b. __________________ c. _______________

             5.   SUITABILITY STANDARDS. You cannot invest in UWGP unless you
                  meet one, or more, of the suitability tests set forth below.
                  Please review the suitability tests and check the box(es) next
                  to the following suitability test that you meet. For husbands
                  and wives purchasing jointly, the tests above will be applied
                  on a joint basis.

                  / /  I (We) have annual income from whatever source of at
                       least $30,000 and a net worth of at least $30,000,
                       exclusive of home, furnishings and automobiles; or

                                        3
<Page>

                  / /  I (We) have a net worth of at least $75,000, exclusive
                       of home, furnishings and automobiles.

                  6.   SUBSCRIBER'S REPRESENTATIONS AND WARRANTIES. You must
                       read and certify your representations and warranties and
                       sign and date this Subscription Agreement.

                       By signing below the subscriber represents and warrants
                       to UWGP that he, she or it:

                       a.  has received a copy of and is familiar with and
                           understands UWGP's Prospectus, and all modifications
                           or supplements thereto;
                       b.  has relied solely upon the Prospectus in evaluating
                           the purchase of the Units;
                       c.  has been informed that the Units of UWGP are offered
                           and sold in reliance upon a federal securities
                           registration, Illinois, Ohio and Wisconsin securities
                           registrations, and exemptions from securities
                           registrations in various other states, and
                           understands that the Units to be issued pursuant to
                           this subscription agreement can only be sold to a
                           person meeting requirements of suitability;
                       d.  has been informed that the securities purchased
                           pursuant to this Subscription Agreement have not been
                           registered under the securities laws of any state
                           other than the States of Illinois, Ohio, and
                           Wisconsin, and that UWGP is relying in part upon the
                           representations of the undersigned Subscriber
                           contained herein;
                       e.  has been informed that the securities subscribed for
                           have not been approved or disapproved by the
                           Securities and Exchange Commission or the Illinois,
                           Ohio and Wisconsin Securities Departments or any
                           other regulatory authority, nor has any regulatory
                           authority passed upon the accuracy or adequacy of the
                           Prospectus;
                       f.  intends to acquire the Units for his/her/its own
                           account without a view to public distribution or
                           resale and that he/she/it has no contract,
                           undertaking, agreement or arrangement to sell or
                           otherwise transfer or dispose of any Units or any
                           portion thereof to any other person;
                       g.  understands that there is no present market for
                           UWGP's membership units, that the membership units
                           will not trade on an exchange or automatic quotation
                           system, that no such market is expected to develop in
                           the future and that there are significant
                           restrictions on the transferability of the membership
                           units;
                       h.  has received a copy of the UWGP Operating Agreement,
                           and understands that upon closing the escrow by UWGP,
                           the subscriber and the membership units will be bound
                           by the provisions of the Operating Agreement which
                           contains, among other things, provisions that
                           restrict the transfer of membership units;
                       i.  understands that the Units are subject to substantial
                           restrictions on transfer under federal and state
                           securities laws along with restrictions in the UWGP
                           Operating Agreement and agrees that if the membership
                           units or any part thereof are sold or distributed in
                           the future, the subscriber shall sell or distribute
                           them pursuant to the terms of the Operating
                           Agreement, and the requirements of the Securities Act
                           of 1933, as amended, and applicable state securities
                           laws;
                       j.  meets the suitability test marked in Item 5 above and
                           is capable of bearing the economic risk of this
                           investment, including the possible total loss of the
                           investment;
                       k.  understands that UWGP will place a restrictive legend
                           on any certificate representing any unit containing
                           substantially the following language as the same may
                           be amended by the Directors of UWGP in their sole
                           discretion:

                              THE TRANSFERABILITY OF THE UNITS REPRESENTED BY
                              THIS CERTIFICATE IS RESTRICTED. SUCH UNITS MAY NOT
                              BE SOLD, ASSIGNED, OR TRANSFERRED, NOR WILL ANY
                              ASSIGNEE, VENDEE, TRANSFEREE, OR ENDORSEE THEREOF
                              BE RECOGNIZED AS HAVING ACQUIRED ANY SUCH UNITS
                              FOR ANY PURPOSES, UNLESS AND TO THE EXTENT SUCH
                              SALE, TRANSFER, HYPOTHECATION, OR ASSIGNMENT IS
                              PERMITTED BY, AND IS COMPLETED IN STRICT
                              ACCORDANCE WITH, APPLICABLE STATE AND FEDERAL LAW
                              AND THE TERMS AND CONDITIONS SET FORTH IN THE
                              OPERATING AGREEMENT AS AGREED TO BY EACH MEMBER.

                              THE SECURITIES REPRESENTED BY THIS CERTIFICATE MAY
                              NOT BE SOLD, OFFERED FOR SALE, OR TRANSFERRED IN
                              THE ABSENCE OF

                                        4
<Page>

                              EITHER AN EFFECTIVE REGISTRATION UNDER THE
                              SECURITIES ACT OF 1933, AS AMENDED, AND UNDER
                              APPLICABLE STATE SECURITIES LAWS, OR AN OPINION OF
                              COUNSEL SATISFACTORY TO THE COMPANY THAT SUCH
                              TRANSACTION IS EXEMPT FROM REGISTRATION UNDER THE
                              SECURITIES ACT OF 1933, AS AMENDED, AND UNDER
                              APPLICABLE STATE SECURITIES LAWS.

                       l.  and that, to enforce the above legend, UWGP may place
                           a stop transfer order with its registrar and stock
                           transfer agent (if any) covering all certificates
                           representing any of the membership units;
                       m.  has knowledge and experience in business and
                           financial matters as to be able to evaluate the
                           merits and risks of an investment in the Units,
                           believes that the investment in Units is suitable for
                           the subscriber and can bear the economic risk of the
                           purchase of Units including the total loss of the
                           undersigned's investment;
                       n.  may not transfer or assign this subscription
                           agreement, or any of the subscriber's interest
                           herein;
                       o.  has written his, her, or its correct taxpayer
                           identification number under Item 2 on this
                           subscription agreement; and
                       p.  is not subject to back up withholding either because
                           he, she or it has not been notified by the Internal
                           Revenue Service ("IRS") that he, she or it is subject
                           to backup withholding as a result of a failure to
                           report all interest or dividends, or the IRS has
                           notified him, her or it that he is no longer subject
                           to backup withholding (Note this clause (p) should be
                           crossed out if the backup withholding box in Item 2
                           is checked).

SIGNATURE OF SUBSCRIBER/ JOINT SUBSCRIBER:

DATE:             _____________________________

INDIVIDUALS:                                            ENTITIES:

----------------------------------------------   -------------------------------
  Name of Individual Subscriber (Please Print)   Name of Entity (Please Print)

----------------------------------------------   -------------------------------
  Signature of Individual                        Print Name and Title of Officer

----------------------------------------------   -------------------------------
  Name of Joint Individual Subscriber (Please          Signature of Officer
                Print)

----------------------------------------------
  Signature of Joint Individual Subscriber

                                        5
<Page>

       ACCEPTANCE OF SUBSCRIPTION BY UNITED WISCONSIN GRAIN PRODUCERS, LLC

United Wisconsin Grain Producers, LLC hereby accepts the subscription for the
above Units.

Dated this_______day of______________________, 200___.

UNITED WISCONSIN GRAIN PRODUCERS, LLC

By:
    ----------------------------------

Its:
    ----------------------------------

                                        6
<Page>

                                 PROMISSORY NOTE

Date of Subscription Agreement:__________________________, 200__.

<Table>
<Caption>
                      IF BEFORE [DATE], 2002          IF AFTER [DATE], 2002 AND             IF AFTER [DATE], 2002
                                                         BEFORE [DATE], 2002

<S>                           <C>                               <C>                                <C>
OFFERING PRICE                $1,000                            $1,100                             $1,200
  PER UNIT
</Table>

                      Number of Units subscribed for at / / $1,000 per Unit,
                      / / $1,100 Per Unit, / / $1,200 Per Unit (check box
_____________________ preceding price corresponding to purchase date)

                      Total Purchase Price (price per Unit multiplied by number
_____________________ of Units subscribed)

  (               )
_____________________ Less Initial Payment (10% of Principal Amount)

_____________________ Principal Balance

FOR VALUE RECEIVED, the undersigned hereby promises to pay to the order of
United Wisconsin Grain Producers, LLC, a Wisconsin limited liability company
("UWGP"), at its principal office located at W7503 Country Drive, Beaver Dam,
Wisconsin, 53916, or at such other place as required by UWGP, the Principal
Balance set forth above, either in installments or in one lump sum to be paid
without interest within 20 days following the call of the UWGP Board of
Directors, as described in the Subscription Agreement. In the event the
undersigned fails to timely make any payment owed, the entire balance of any
amounts due under this Promissory Note shall be immediately due and payable in
full with interest at the rate of 12% per annum from the due date.

The undersigned agrees to pay to UWGP on demand, all costs and expenses incurred
to collect any indebtedness evidenced by this Promissory Note, including,
without limitation, reasonable attorneys' fees. This Promissory Note may not be
modified orally and shall in all respects be governed by, construed, and
enforced in accordance with the laws of the State of Wisconsin.

The provisions of this Promissory Note shall inure to the benefit of UWGP and
its successors and assigns.

The undersigned waives presentment, demand for payment, notice of dishonor,
notice of protest, and all other notices or demands in connection with the
delivery, acceptance, performance or default of this Promissory Note.

Dated:              , 200  .
OBLIGOR:                                  JOINT OBLIGOR:

----------------------------------        -----------------------------------
Printed or Typed Name of Joint Obligor    Printed or Typed Name of Obligor

By:                                       By:
   --------------------------------          -----------------------------------
   (Signature)                               (Signature)

-----------------------------------
Officer Title if Obligor is an Entity

-----------------------------------

-----------------------------------
Address of Obligor

                                        7
<Page>

                              MEMBER SIGNATURE PAGE

                                     ADDENDA
                                     TO THE
                      UNITED WISCONSIN GRAIN PRODUCERS, LLC
                               OPERATING AGREEMENT

         The undersigned does hereby represent and warrant that the undersigned,
as a condition to becoming a Member in United Wisconsin Grain Producers, LLC
(the "Company"), has received a copy of the Operating Agreement, dated November
2, 2001, and, if applicable, all amendments and modifications thereto, and does
hereby agree that the undersigned, along with the other parties to the Operating
Agreement, shall be subject to and comply with all terms and conditions of said
Operating Agreement in all respects as if the undersigned had executed said
Operating Agreement on the original date thereof and that the undersigned is and
shall be bound by all of the provisions of said Agreement from and after the
date of execution hereof.

INDIVIDUALS:                                   ENTITIES:

-----------------------------------------   -----------------------------------
     Name of Individual Subscriber               Name of Entity (Please
     (Please Print or Type)                      Print or Type)

-----------------------------------------   -----------------------------------
     Signature of Individual                     Print Name and Title of Officer

-----------------------------------------   ------------------------------------
     Name of Joint Individual                       Signature of Officer
     Subscriber (Please Print or Type)

------------------------------------------
     Signature of Joint Individual
     Subscriber

Agreed and accepted on behalf of the
Company and its Members:

UNITED WISCONSIN GRAIN PRODUCERS, LLC

By:
    -----------------------------------------

Its:
    -----------------------------------------

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