Document:

ADDENDUM TO
                         PROMISSORY NOTE

The Promissory Note dated June 2002 executed by Unico, Inc., and Silver Bell
Mining Company ("Makers"), in which Makers promised to pay the principal sum
of $200,000.00 plus accrued interest to the order of J. Bruce Hirschberg, is
hereby amended as follows:

     "Makers or J. Bruce Hirschberg shall have the right to convert, at their
     option, all or a portion of this promissory note into common stock of
     Unico, Inc. at a discount of 80% of the closing bid price of the common
     stock on the date of conversion.  In the event of liquidation, either
     voluntary or otherwise, of Unico, Inc., the Promissory Note shall be
     immediately converted into common stock of Unico based upon the
     conversion rate hereinabove stated."

Agreed this 29th day of June, 2004.

MAKERS:

UNICO, INC.                                 SILVER BELL MINING COMPANY, INC.

/s/ Ray C. Brown                            /s/ Dan Proctor
_____________________________________       _______________________________
Ray C. Brown, Chief Executive Officer       Dan Proctor, President

PAYEE:

J. BRUCE HIRSCHBERG

/s/ J. Bruce Hirschberg
_____________________________________
J. Bruce HirschbergJAVELIN HOLDINGS, INC.
               43180 Business Park Drive, Ste. 202
                        Temecula, CA 92590
                     www.javelinholdings.com

March 12, 2004

Mr. Ray C. Brown, President
Unico, Incorporated
6475 Grandview Avenue
Magalia, CA 95954

Re:   Engagement of Services

Dear Mr. Brown,

We are pleased to submit this proposal for engagement of services for Unico,
Incorporated ("the Company") relative to your decision to become a Business
Development Company pursuant to the Investment Company Act of 1940.  Your
acknowledgement and execution at the end of this proposal shall signify your
intent to enter into this agreement on terms as stated below.

Scope of Services
-----------------

We will review all historical filings submitted by the Company and/or its
legal counsel.  Such filings include financial statement filings (10-Q's and
10-K's), registration statements filed under SB and S-8, proxy filings, and
8-K filings.  Our review of this material will be focused on ensuring that all
documents presented to the SEC are consistent and compliant with the
Securities Act of 1933 and 1934, as amended, and with the NASD requirements
for OTCBB listing.

We will also review the Company's existing corporate structure and governance
to ensure compliance with the Investment Company Act of 1940, which sets forth
the authority for a Business Development Company ("BDC"), and make
recommendations to the Board of Directors for appropriate changes.  Of
particular significance is the requirement that all BDC's have a board of
directors, a majority of which are independent as defined by the SEC.  We will
provide the necessary board resolutions, audit committee charter, investment
committee charter, bonding instructions, etc. to properly establish and
maintain the Company's BDC status.

We will then prepare for filing all documentation necessary for the Company to
qualify as a Business Development Company ("BDC") pursuant to the Investment
Company Act of 1940.  These documents will include a Form N-54 and an initial
Form 1-E allowing you to issue freely-trading shares.

We will prepare a customized "Compliance Handbook" that will be unique to your
Company.  This handbook will be set up to note in detail all of the Company's
transactions as a BDC including investments, stock sales, board actions, and
legal opinions relative to the issuance of stock under the 1-E registration.
It will also include an ethics manual, compliance guideline, and a complete
copy of the Investment Company Act of 1940

Finally, we will provide a 60 day compliance consulting services, commencing
on the date of the filing of the N-54, wherein we will monitor the Company's
compliance under the Investment Company Act of 1940 and the Sarbanes-Oxley Act
of 2002.  As part of this service, we will review all stock transactions
during the period as well as reviewing investments contemplated by the
Investment Committee, Board Minutes, resolutions and written actions, public
filings and financial statements to ensure that compliance with the regulatory
authorities, hereinabove cited, are strictly maintained.  Any additional Form
1-E filings are also included during this period.

Consideration

Our fees for the services described and included in this Agreement will be
comprised of the following:
     A.  $10,000 upon the execution of this Agreement, which will commence
         work.
     B.  $15,000 upon filing of the N-54 and the Form 1-E with the SEC.
     C.  SUCCESS FEE: Simultaneously with the filing of the N-54 and the Form
         1-E, a Convertible Note in the amount of $25,000 will be executed by
         the Company in favor of Consultant.  Said Note will be for the period
         of 60 days but will only become due and payable on the effective date
         of the Form 1-E.  At the discretion of the Company, the Note will be
         convertible into free trading 1-E stock at a 50% discount to the
         market bid price at the time of conversion.
     D.  Five percent (5%) of any Preferred Class of Stock created by
         Consultant for the benefit of management.

These fees are based on our estimate of the time and complexity of the work to
be performed and the assumption that unexpected circumstances will not be
encountered.  Our fees are intentionally set at a fixed amount to ensure that
you have no surprises relative to our stated services and the conversion
process itself.

Once Consultant advises Company that the N-54 and Form 1-E are ready to file
with the SEC, Company will have 30 days to file such documents in accordance
with this contract.  Should Company fail to move forward with these filings
within the specified period, the balance of this contract will immediately
become due and payable.

Additional Services Available Upon Request
------------------------------------------

There may be circumstances beyond our control or additional services which you
may require that are not contemplated herein, and which could include any of
the following:
     1.   Prepare or rewrite SEC filings and financial statements.
     2.   Assist with accounting and preparation for financial statement
          audit.
     3.   Assist the Company in compliance with the Sarbanes-Oxley Act of 2002
     4.   Act as a "finder" for the Company's capital needs.
     5.   Provide assistance with the Company's public relations and corporate
          communications needs.
     6.   Serve on any committees such as the audit committee and/or sit on
          the Board of Directors
     7.   Seek out and identify appropriate independent board member
          candidates.
     8.   Seek out and identify appropriate acquisition candidates.
     9.   Administrative management and oversight of the public vehicle.

We will discuss the cost of any of the above services in advance and any such
additional services will be under a separate agreement.

We believe this letter accurately summarizes the significant terms of our
engagement.  If you have any questions please let us know.

If you agree to the terms of our engagement as described in this letter,
please sign where indicated below and return it to us.  Thank you for giving
us the opportunity to be of service to you.

Respectfully submitted,

/s/ Shane H. Traveller

Shane H. Traveller
President

I/We hereby acknowledge the terms of this proposal and agree to be bound
thereby.

/s/ Ray C. Brown     CEO                  03/15/04
________________________________          ____________
Name/Title                                DateCONVERSION AGREEMENT

      Eben Loewenthal hereby agrees to convert the full principal amount of a
Thirty Three Thousand Dollar ($33,000) note payable dated June 24, 2002, and
all accrued interest thereon, to 826,033 shares of Unico, Incorporated's
common stock at the conversion price which is equal to eighty percent (80.0%)
of the closing bid price of Unico, Incorporated common stock as of the date of
this Agreement.  Unico agrees to cause its transfer agent to issue the correct
number of shares of Unico, Incorporated's common stock specified above to Eben
Loewenthal.  The parties agree that the shares are being issued pursuant to
exemptions from federal and state securities registration, and that the
certificate representing the shares shall bear a standard restrictive legend.

Dated: June 25, 2004

                                    UNICO, INCORPORATED

                                       /s/ Ray C. Brown
                                    By________________________________
                                      Ray C. Brown, CEO

                                    EBEN LOEWENTHAL

                                    /s/ Eben Loewenthal
                                    __________________________________
                                    Eben LoewenthalCONSULTING AGREEMENT

This Consulting Agreement (the "Agreement") made as of May 10, 2004 by and
between Nicholas Investment Company, Inc. at 43180 Business Park Drive, Suite
202, Temecula, CA 92590 (Consultant) and Unico, Inc at 6475 Grandview Avenue,
P.O. Box 777, Magalia, California, 95954 ("the Company").

                            WITNESSETH

WHEREAS, the Company requires and will continue to require business services
relating to management, strategic planning and marketing for the Company; and

WHEREAS, Consultant has significant experience and background in Investor
Relations and Public Relations requirements of public companies and is
desirous of performing such services for the Company; and

WHEREAS, the Company wishes to induce Consultant to provide these consulting
services to the Company,

NOW, THEREFORE, in consideration of the mutual covenants hereinafter stated,
it is agreed as follows:

1.  APPOINTMENT

The Company hereby engages Consultant, and Consultant agrees to render certain
"oversight" services to the Company upon the terms and conditions hereinafter
set forth.

2.  TERMS

The term of this Agreement will begin as of the date of this Agreement, and
shall terminate one year from the date of this Agreement, unless earlier
terminated as provided below.

3.  SERVICES

During the term of this Agreement, Consultant shall provide "oversight" advice
to the Company regarding Investor Relations and Public Relations as follows:

        .  Website Development and Management

        .  Database Formation and Growth

        .  Preparation of Written Material Library

        .  Opening Lines of Communication with Shareholders, Potential
           Investors, etc.

        .  Use of "Outside Contractors" Network for External Communication
           Programs

        .  Corporate Positioning and Information Management

        (See Exhibit A for a more detailed explanation of the above Services)

4.  DUTIES OF THE COMPANY

The Company shall provide Consultant on a regular and timely basis, with all
data and information about it, its subsidiaries, its management, its products
and services and its operations.

5.  COMPENSATION

A monthly fee of $1,500 payable by the 5th of each month plus any accrued
expenses that have been pre-approved by the Company.

6.  REPRESENTATION AND INDEMNIFICATION

The Company shall be deemed to have been made a continuing representation of
the accuracy of any and all facts, material information and data that it
supplies to Consultant and acknowledges its awareness that Consultant will
rely on such. Consultant in the absence of notice in writing from the Company
will rely on the continuing accuracy of material, information and data
supplied by the Company.

The Company agrees to indemnify, hold harmless and defend Consultant from any
and all claims or demands of any kind relating to the Company's breach of its
agreements hereunder.

7.  MISCELLANEOUS

Termination: Consultant shall have the right in its sole and absolute
discretion to terminate its obligations hereunder and to immediately cease
providing services under this Agreement if Consultant, in the exercise of its
reasonable judgment, believes that the representations and warranties made by
Company hereunder are inaccurate in any material respect or if Company
breaches any of its covenants and agreements continued herein or if any
federal or state governmental agency or instrumentally institutes an
investigation or suite against Company or pertaining to the services
hereunder.  Company may terminate this agreement, with or without cause, by
providing written notice to Consultant 30 days prior to Company's desired
termination date.

Modification: This Agreement sets forth the entire understanding of the
Parties with respect to the subject matter hereof, and may be amended only in
a writing signed by both parties.

Notices: Any notices required, or permitted to be given hereunder, shall be in
writing and shall be mailed or otherwise delivered in person or by facsimile
transmission at the address of such Party set forth above or to such other
address or facsimile telephone number, as the Party shall have furnished in
writing to the other Party.

Waiver: Any waiver by either Party of a breach of any provision of this
Agreement shall not operate as or be construed to be a waiver of any other
breach of that provision or of any breach of any other provision of this
Agreement. The failure of a Party to insist upon strict adherence to any term
of this Agreement on one or more occasions will not be considered a waiver or
deprive the other Party of the right thereafter to insist upon adherence to
that term of any other term or this Agreement.

Severability: If any provision of this Agreement is invalid, illegal, or
unenforceable, the balance of this Agreement shall remain in effect, and if
any provision is inapplicable to any person or circumstance, it shall
nevertheless remain applicable to all other persons and circumstances.

Disagreements: Any dispute or other disagreement arising from or out of this
Agreement shall be submitted to arbitration under the rules of the American
Arbitration Association and the decision of the arbitrator(s) shall be
enforceable in any court having jurisdiction thereof. Arbitration shall occur
only in Temecula, CA. The interpretation and the enforcement of this Agreement
shall be governed by California law. In the event any dispute is arbitrated,
the prevailing Party (as determined by the arbitrator(s)) shall be entitled to
recover that Party's reasonable attorney's fees incurred (as determined by the
arbitrator(s)).

IN WITNESS WHEREOF, this Agreement has been executed by the Parties as of the
date first above written.

                                Unico, Inc. (Company)

                                By: /S/ Ray C. Brown
                                    -------------------------------
                                    Ray C. Brown, CEO

                                Nicholas Investment Company, Inc. (Consultant)

                                By: /S/ Steven R. Peacock
                                    --------------------------------
                                    Steven R. Peacock, President

                            EXHIBIT A

Corporate Public/Investor Relations Oversight

Defining and executing financial communication goals and objectives is a
critical component in the successful operation of a publicly-traded company.
The proper management and dissemination of a company's information to its
principal financial audience will result in confidence and consistency in the
markets and can be a major determinant in maximizing corporate and
shareholder's value. As a company evolves, it must develop and execute a
strategy to effectively communicate its performance to investors and the
public markets.  To this end, Nicholas will provide high profile oversight of
public and investor relations programs for client companies including:

     .  Website Development and Management

     .  Database Formation and Growth

     .  Preparation of Written Material Library

     .  Opening Lines of Communication with Shareholders, Potential Investors,
        etc.

     .  Use of "Outside Contractors" Network for External Communication
        Programs

     .  Corporate Positioning and Information Management

The following are brief explanations of each of these elements listed above:

Website Development and Management

A company's website is a critical and extremely cost-effective method to
convey information to interested parties around the world.  The website is the
company's public face and is often the first exposure that a potential
investor has to the company.  As a result, the content contained on the site,
as well as the overall "look and feel," can be a major determinant of whether
investors will choose to add a company to their portfolio.  Public companies
must develop a sophisticated corporate dynamic web presence, which includes a
high level of functionality both on the site and in back-end elements such as
databases and virtual private networks (VPNs).

Database Formation and Growth

Developing a platform to collect and then utilize contacts in the investment
and public market community is highly beneficial for public companies.  In
addition to maximizing opportunities for commonly used methods of investor
communication, such as press releases, corporate profiles and public filings,
a highly effective communications program will employ more proactive methods
to disseminate this material and other documents directly to its shareholders.
Back-end database functionality should be built into the companies' websites
through which interested investors and other contacts will be sent press
releases, newsletters and other material information.  The ongoing growth and
development of this database is a primary focus of a sophisticated PR/IR
program.

Preparation of Written Materials Library

A comprehensive investor relations program must have at its disposal a
catalogue of related materials, including investor information packets and
presentations, newsletters, quarterly and annual reports, and other company
related brochures and pamphlets.  All of these communication tools must be
developed in conjunction with an integrated, coordinated public relations
program, including a clearly defined strategy and methodology for each
informational piece. Communicating appropriate information in a constructive
and consistent manner translates directly to the appreciation of the company's
market value.

Opening lines of Communication with Shareholders, Potential Investors,
Brokers, etc.

Fostering one-on-one communication with investors and others interested in a
company's operations or market performance indicates a sincere desire on the
part of a company to be responsive to its shareholder base.  Establishing and
maintaining easy access through an investor relations representative will
allow companies to foment investor confidence while assisting in the
management of a company's overall message.

Use of "Outside Contractors" Network for External Communications Programs

In addition to a company's internally generated investor relations program, a
stable of well-connected outside resources can provide greater exposure to the
new investors and public markets through new databases, media outlets,
investor groups, and other elements that can expand a company's reach.
Contacts in these networks can be used sparingly or more often in order to fit
the particular needs of a company at a certain point in time.  Value
assessment is a critical element of proper external communications programs,
especially for companies with limited financial resources.

Corporate Positioning and Information Management

Communicating the appropriate corporate message ensures that each company's
distinctive image is clearly perceived. The ability to translate performance
and developments into noticeable and newsworthy information is important to
corporate positioning strategy. Effectively defining the value of our client's
products and services to the leading financial markets and important investors
is essential to image enhancement and corporate perception. Counseling on
announcements, unanticipated events or issues which bring corporations into
the "public spotlight", requires immediate personalized attention. A timely
dissemination of information, representing an involved and concerned corporate
management, curtails negative responses in the financial markets and
volatility in the stock.

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