Document:

EXHIBIT 4.1

                                 INFINITY, INC.

                         COMMON STOCK PURCHASE AGREEMENT

      THIS COMMON STOCK PURCHASE AGREEMENT (this "Agreement") is made and
entered into this ___ day of November, 2004, by and among Infinity, Inc., a
Colorado corporation (the "Company"), and _________________, a
__________________ (the "Investor").

      1. AGREEMENT TO PURCHASE AND SELL STOCK.

            1.1 Authorization. The Company has authorized the issuance, pursuant
to the terms and conditions of this ------------- Agreement, of __________
shares of the Company's common stock, $.0001 par value (the "Purchased Shares").

            1.2 Agreement to Purchase and Sell. The Company agrees to sell to
the Investor on the Closing Date (as defined below), and the Investor agrees to
purchase from the Company on the Closing Date, the Purchased Shares at a price
of $5.10 per share.

      2. CLOSING.

            2.1 The Closing. The coordination of the purchase and sale of the
Purchased Shares (the "Closing") will take place at the offices of Davis Graham
& Stubbs LLP, 1550 Seventeenth Street, Suite 500, Denver, Colorado, 80202, at
9:00 a.m., Mountain Time, on November 9, 2004, or at such other time and place
as the Company and Investor mutually agree upon (the "Closing Date"). On the
Closing Date, the Investor will purchase the Purchased Shares against delivery
by the Company to the Investor, or its designee, of a certificate representing
such Purchased Shares registered in the name of the Investor. The aggregate
number of shares of the Company's common stock issued in the Closing Date,
including the Purchased Shares, shall not exceed 1,800,000 shares. Upon
confirmation of receipt by the Investor of the certificate, the full purchase
price for such Purchased Shares shall be paid on the Closing Date by wire
transfer of funds to the Company.

      3. REPRESENTATIONS AND WARRANTIES OF THE COMPANY.

      The Company hereby represents and warrants to the Investor as follows:

            3.1 Organization, Good Standing and Qualification. The Company is a
corporation duly organized, validly existing and in good standing under the laws
of the state of Colorado, and has all requisite corporate power and authority to
conduct its business as currently conducted and to execute, deliver and perform
all of its obligations under this Agreement and to consummate the transactions
contemplated hereby. The Company is qualified to do business as a foreign
corporation in each jurisdiction where failure to be so qualified would,
individually or in the aggregate, reasonably be expected to have a material
adverse effect on the business, assets or liabilities of the Company, taken as a
whole (the "Business") (such effect referred to as a "Material Adverse Effect").
For purposes of this Agreement, "Material Adverse Effect" shall not include any
effect attributable to changes in the trading prices for the Company's Common
Stock (as defined below) or changes in economic conditions affecting the U.S.
economy generally.

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            3.2 Capitalization. Immediately before the Closing Date, the
capitalization of the Company will consist of the following:

                  (a) Preferred Stock. A total of 5,000,000 undesignated shares
of Preferred Stock, no par value per share, none of which are issued and
outstanding.

                  (b) Common Stock. A total of 300,000,000 authorized shares of
common stock, of which approximately 9,452,352 shares of common stock ("Common
Stock") were outstanding as of November 3, 2004.

                  (c) Options, Warrants, Reserved Shares. Except for: (i)
1,256,150 shares of Common Stock issuable upon the exercise of options granted
pursuant to the 1992, 1999, 2000, 2001, 2002, 2003 and 2004 Stock Option Plans;
(ii) 2,137,650 shares of Common Stock issuable upon the exercise of outstanding
options (other than options issued under the Stock Option Plans) and warrants;
and (iii) 2,030,692 shares of Common Stock issuable upon the conversion of 7%
and 8% subordinated convertible notes, there are no outstanding options,
warrants, rights or agreements for the purchase or acquisition from the Company
of any shares of its capital stock or any securities convertible into or
ultimately exchangeable or exercisable for any shares of the Company's capital
stock. All of such outstanding shares of capital stock have been duly authorized
and validly issued and are fully paid and nonassessable and all of such options,
warrants and other rights to acquire Common Stock have been duly authorized by
the Company.

                  (d) Agreements. There are no voting agreements, buy-sell
agreements, or rights of first purchase agreements or other agreements of any
kind among the Company and any of the security holders of the Company relating
to the securities of the Company held by them. Except as disclosed in Schedule
3.2, the Company has not granted any Person the right to require the Company to
register any securities of the Company under the Securities Act (whether on a
demand basis or in connection with the registration of securities of the Company
for its own account or for the account of any other Person) with regard to which
a registration statement has not already been filed.

            3.3 Due Authorization; No Violation. All corporate action on the
part of the Company necessary for the authorization, execution and delivery of,
and the performance of all obligations of the Company under, this Agreement and
the transactions contemplated hereby, and the authorization, issuance,
reservation for issuance and delivery of all of the Purchased Shares being sold
under this Agreement, has been taken or will be taken prior to the Closing. No
further consent or authorization of the Company or the Board of Directors or its
shareholders is required and this Agreement constitutes a valid and legally
binding obligation of the Company, enforceable against the Company in accordance
with its terms, except as enforceability may be limited by (i) applicable
bankruptcy, insolvency, reorganization or other laws of general application
relating to or affecting the enforcement of creditors' rights generally and (ii)
the effect of rules of law governing the availability of equitable remedies.
Neither the execution, delivery or performance by the Company of this Agreement
nor the consummation by the Company of the transactions contemplated hereby will
(i) conflict with or result in a breach of any provision of the Articles of
Incorporation of the Company, as amended to date (the "Charter") or the
Company's Bylaws, (ii) conflict with, result in a violation or breach of, or
cause a default (or give rise to any right of termination, cancellation or
acceleration), or result in the creation or imposition of any lien, security

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interest, charge or encumbrance upon any of the properties or assets of the
Company, under any of the terms, conditions or provisions of any agreement,
instrument or obligation to which the Company is a party, which default would,
individually or in the aggregate, reasonably be expected to have a Material
Adverse Effect or (iii) violate any law, statute, rule or regulation or
judgment, order, writ, injunction or decree of any governmental authority, in
each case under this clause (iii) applicable to the Company or any of its
properties or assets and which, individually or in the aggregate, would
reasonably be expected to have a Material Adverse Effect. The business and
operations of the Company have been conducted in accordance with all applicable
laws, rules and regulations of all governmental authorities, except for such
violations which would not, individually or in the aggregate, reasonably be
expected to have a Material Adverse Effect.

            3.4 Valid Issuance of Stock. The Purchased Shares, when issued, sold
and delivered in accordance with the terms of this Agreement for the
consideration provided for herein, will be duly authorized and validly issued,
fully paid and nonassessable and free and clear of all pledges, taxes, claims,
liens, encumbrances and restrictions (other than those arising under federal or
state securities laws as a result of the private placement of the Purchased
Shares to the Investor) and are not subject to preemptive or other similar
rights of any shareholder of the Company.

            3.5 Compliance with Securities Laws. Subject to the accuracy of the
representations made by the Investor in Section 4 hereof, the Purchased Shares
(assuming no change in applicable law and no unlawful distribution of Purchased
Shares by the Investor or other parties) will be issued to the Investor in
compliance with applicable exemptions from (i) the registration and prospectus
delivery requirements of the Securities Act of 1933, as amended (the "Securities
Act") and (ii) the registration and qualification requirements of all applicable
securities laws of the states of the United States. The Company has not, and to
the Knowledge of the Company, no Affiliate of the Company has sold, offered for
sale or solicited offers to buy or otherwise negotiated in respect of any
security (as defined in Section 2 of the Securities Act) that would be
integrated with the offer or sale of the Securities in a manner that would
require the registration under the Securities Act of the sale of the Securities
to the Investors, or that would be integrated with the offer or sale of the
Securities for purposes of the rules and regulations of Nasdaq.

            3.6 Governmental Consents. No consent, approval, order or
authorization of, or registration, qualification, designation, declaration or
filing with, or notice to, any federal, state or local governmental authority or
self regulatory agency on the part of the Company is required in connection with
the valid execution and delivery of this Agreement, the offer, sale and issuance
of the Purchased Shares, or the consummation of the transactions contemplated by
this Agreement, except for qualifications or filings under the Securities Act
and the applicable rules and regulations (the "Rules and Regulations") of the
Securities and Exchange Commission (the "Commission") under the Securities Act,
and all other applicable securities laws as may be required in connection with
the transactions contemplated by this Agreement.

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            3.7 Commission Filings. The Company has filed in a timely manner all
reports and other information required to be filed ("Filings") with the
Commission pursuant to the Securities Exchange Act of 1934, as amended (the
"Exchange Act") during the preceding twelve calendar months. On their respective
dates of filing, to the Company's Knowledge the Filings complied in all material
respects with the requirements of the Exchange Act, and the published rules and
regulations of the Commission promulgated thereunder. To the Company's
Knowledge, on their respective dates of filing, the Filings did not include any
untrue statement of a material fact required to be stated therein or necessary
to make the statements therein, in light of the circumstances in which they were
made, not misleading, and all consolidated financial statements contained in the
Filings fairly present, in all material respects, the financial position of the
Company on the dates of such statements and the results of operations for the
periods covered thereby in accordance with U.S. generally accepted accounting
principles consistently applied throughout the periods involved and comparable
prior periods, except as otherwise indicated in the notes to such consolidated
financial statements, subject in the case of unaudited consolidated financial
statements, to normal year-end audit adjustments.

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

            3.9 Litigation. There is no action, suit, proceeding, claim,
arbitration or investigation ("Action") pending (or, to the Company's Knowledge,
currently threatened) against or otherwise affecting the Company which (i) is
reasonably likely to prevent the consummation of the transactions contemplated
hereby or (ii) if adversely resolved against the Company would reasonably be
expected to have a Material Adverse Effect.

            3.10 Tax Matters. The Company has made or filed all federal, state
and foreign income and all other tax returns, reports and declarations required
by any jurisdiction to which it is subject (unless and only to the extent that
the Company has set aside on its books provisions reasonably adequate for the
payment of all unpaid and unreported taxes) and has paid all taxes and other
governmental assessments and charges that are material in amount, shown or
determined to be due on such returns, reports and declarations, except those
being contested in good faith, and has set aside on its books provisions
reasonably adequate for the payment of all taxes for periods subsequent to the
periods to which such returns, reports or declarations apply. There are no
unpaid taxes in any material amount claimed to be due by the taxing authority of
any jurisdiction, and to the Company's Knowledge, there is no basis for any such
claim. The Company has not executed a waiver with respect to the statute of
limitations relating to the assessment or collection of any foreign, federal,
statute or local tax. To the Company's Knowledge, none of the Company's tax
returns is presently being audited by any taxing authority.

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            3.11 Use of Proceeds. The proceeds of the sale of the Securities
hereunder shall be used by the Company for drilling and development on existing
properties, additional leasehold acquisitions and for general working capital or
general corporate purposes.

            3.12 Labor Relations. No material labor dispute exists or, to the
Knowledge of the Company, is imminent with respect to any of the employees of
the Company.

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

            3.14 Title to Assets. The Company has good title in and to all
property owned by the Company in its producing oil and gas wells acceptable in
accordance with industry custom and standards subject to certain mortgages of
record encumbering the wells. The oil and gas leases owned by the Company or its
Subsidiaries related to the producing wells are valid, subsisting and
enforceable leases.

            3.15 Insurance. The Company maintains insurance that it believes
provides reasonable, prudent and customary coverage against all liabilities,
claims and risks against which it is customary for comparably situated companies
to insure.

            3.16 Transactions with Affiliates and Employees. Except for the
engagement between the Company and Northeast Securities, Inc. or as disclosed in
the Filings or on Schedule 3.16, none of the officers or directors of the
Company and, to the Knowledge of the Company, none of the employees of the
Company is presently a party to any transaction with the Company or any
Subsidiary (other than for services as employees, officers and directors),
including any contract, agreement or other arrangement providing for the
furnishing of services to or by, providing for rental of real or personal
property to or from, or otherwise requiring payments to or from any officer,
director or such employee or, to the Knowledge of the Company, any entity in
which any officer, director, or any such employee has a substantial interest or
is an officer, director, trustee or partner.

            3.17 Listing Requirements. The Company's Common Stock is listed on
Nasdaq, and the Company is in compliance in all material respects with
applicable Nasdaq continued listing requirements. There are no proceedings
pending or, to the Company's Knowledge, threatened against the Company relating
to the continued listing of the Company's Common Stock on Nasdaq, and the
Company has not received any notice of, nor to the Company's Knowledge is there
any basis for, the delisting of the Common Stock from Nasdaq.

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            3.18 Disclosure. To the knowledge of the Company, neither the
Company nor any Person acting on its behalf has provided the Investors or their
agents or counsel with any information that constitutes or might constitute
material, non-public information.

            3.19 Brokers and Finders. Other than C.K. Cooper & Company, Inc. and
Northeast Securities, Inc., no Person will have, as a result of the transactions
contemplated by this Agreement, any valid right, interest or claim against or
upon the Company or an Investor for any commission, fee or other compensation
pursuant to any agreement, arrangement or understanding entered into by or on
behalf of the Company.

            3.20 Form S-3 Eligibility. The Company is eligible to register the
resale of its Common Stock by the Investors under Form S-3 promulgated under the
Securities Act and the Company hereby covenants and agrees to use its best
efforts to maintain its eligibility to use Form S-3 until the Registration
Statement covering the resale of the Shares shall have been filed with, and
declared effective by, the SEC.

            3.21 Sarbanes-Oxley Compliance. To the Company's Knowledge, the
Company is in material compliance with all provisions of the Sarbanes-Oxley Act
of 2002 which are applicable to it as of the Closing Date.

      4. REPRESENTATIONS, WARRANTIES AND CERTAIN AGREEMENTS OF THE INVESTOR.

      The Investor hereby represents and warrants to the Company as follows:

            4.1 Authorization. All action (corporate or otherwise) on the part
of the Investor and its investment adviser necessary for the authorization,
execution and delivery of, and the performance of all obligations of the
Investor under this Agreement has been taken and this Agreement constitutes a
valid and legally binding obligation of the Investor, enforceable against the
Investor in accordance with its terms, except as enforceability may be limited
by (i) applicable bankruptcy, insolvency, reorganization or other laws of
general application relating to or affecting the enforcement of creditors'
rights generally, and (ii) the effect of rules of law governing the availability
of equitable remedies.

            4.2 Purchase for Own Account. The Purchased Shares to be purchased
by the Investor hereunder will be acquired for investment for the Investor's own
account, not as a nominee or agent, and not with a view to the public resale or
distribution thereof within the meaning of the Securities Act, and the Investor
has no present intention of selling, granting any participation in, or otherwise
distributing the same in violation of the Securities Act. The Investor also
represents that such Investor has not been formed for the specific purpose of
acquiring Purchased Shares.

            4.3 Disclosure of Information. The Investor has received and/or had
full access to a copy of the Company's Proxy Statement for the annual meeting of
shareholders held on June 17, 2004, the Company's Annual Report on Form 10-K for
the year ended December 31, 2003, the Company's Quarterly Reports on Form 10-Q
for the quarters ended March 31 and June 30, 2004, and the Company's Reports on
Form 8-K filed on August 16, May 17, March 30, and January 21, 2004, (such
documents, referred to collectively as the "Disclosure Documents") and has
received or has had full access to all the information it considers necessary or
appropriate to make an informed investment decision with respect to the
Purchased Shares to be purchased by the Investor under this Agreement. The
Investor further has had an opportunity to ask questions and receive answers
from the Company regarding the terms and conditions of the offering of the
Purchased Shares and to obtain additional information (to the extent the Company
possessed such information or could acquire it without unreasonable effort or
expense) necessary to verify any information furnished to the Investor or to
which the Investor had access. In connection with its decision to purchase the
Purchased Shares, the Investor has relied solely on the Disclosure Documents,
the representations, warranties and agreements of the Company set forth in this
Agreement, as well as any investigation of the Company completed by the Investor
or its advisors; and the Investor has not relied on any oral statement made by
the Company.

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            4.4 Investment Experience. The Investor understands that the
purchase of the Purchased Shares involves substantial risk. The Investor has
experience as an investor in securities of companies in the development stage
and acknowledges that it can bear the economic risk of its investment in the
Purchased Shares and has such knowledge and experience in financial or business
matters that the Investor is capable of evaluating the merits and risks of this
investment in the Purchased Shares and protecting its own interests in
connection with this investment.

            4.5 Accredited Investor Status. The Investor is an "accredited
investor" within the meaning of Rule 501(a)(3) of Regulation D promulgated under
the Securities Act.

            4.6 Restricted Securities. The Investor understands that the
Purchased Shares are characterized as "restricted securities" under the
Securities Act inasmuch as they are being acquired from the Company in a
transaction not involving a public offering and that under the Securities Act
and the Rules and Regulations such securities may be resold without registration
under the Securities Act only in certain limited circumstances. In this
connection, the Investor represents that it is familiar with Rule 144 of the
Commission and understands the resale limitations imposed thereby.

            4.7 Further Limitations on Disposition. Without in any way limiting
the representations set forth above, the Investor further agrees not to make any
disposition of all or any portion of the Purchased Shares unless and until:

                  (a) there is then in effect a registration statement under the
Securities Act covering such proposed disposition and such disposition is made
in accordance with such registration statement; or

                  (b) (i) the Investor shall have notified the Company of the
proposed disposition and shall have furnished the Company with a statement of
the circumstances surrounding the proposed disposition, and (ii) the Investor
shall have furnished the Company, at the expense of the Investor or its
transferee, with an opinion of counsel, reasonably satisfactory to the Company,
that such disposition will not require registration of such securities under the
Securities Act.

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Notwithstanding the provisions of paragraphs (a) and (b) above, no such
registration statement or opinion of counsel shall be required: (i) for any
routine transfer of any Purchased Shares in compliance with Rule 144 or Rule
144A (except that an opinion of counsel may be required for other than routine
Rule 144 transactions), or (ii) for any transfer of Purchased Shares by an
Investor that is a partnership, limited liability company ("LLC") or a
corporation to a partner of such partnership, member of such LLC or shareholder
of such corporation on a basis proportionate to their ownership interests in
such partnership, LLC or corporation; provided, that in each of the foregoing
cases the transferee agrees in writing to be subject to the terms of this
Agreement to the same extent as if the transferee were an original Investor
hereunder.

            4.8 Legends. It is understood that the certificates evidencing the
Purchased Shares will bear the legends set forth below:

                  (a) THE SECURITIES REPRESENTED HEREBY HAVE NOT BEEN REGISTERED
UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE "ACT"), OR UNDER THE
SECURITIES LAWS OF ANY STATE. THESE SECURITIES ARE SUBJECT TO RESTRICTIONS ON
TRANSFERABILITY AND RESALE AND MAY NOT BE TRANSFERRED OR RESOLD EXCEPT AS
PERMITTED UNDER THE ACT AND THE APPLICABLE STATE SECURITIES LAWS, PURSUANT TO
REGISTRATION OR EXEMPTION THEREFROM. INVESTORS SHOULD BE AWARE THAT THEY MAY BE
REQUIRED TO BEAR THE FINANCIAL RISKS OF THIS INVESTMENT FOR AN INDEFINITE PERIOD
OF TIME. THE ISSUER OF THESE SECURITIES MAY REQUIRE AN OPINION OF COUNSEL IN
FORM AND SUBSTANCE REASONABLY SATISFACTORY TO THE ISSUER TO THE EFFECT THAT ANY
PROPOSED TRANSFER OR RESALE IS IN COMPLIANCE WITH THE ACT AND ANY APPLICABLE
STATE SECURITIES LAWS.

                  (b) THE SHARES EVIDENCED BY THIS CERTIFICATE ARE SUBJECT TO
THE PROVISIONS OF, AND MAY HAVE CERTAIN REGISTRATION RIGHTS PURSUANT TO, THE
PROVISIONS OF A PURCHASE AGREEMENT AND REGISTRATION RIGHTS AGREEMENT BETWEEN THE
COMPANY AND THE HOLDER, WHICH MAY RESTRICT THE TRANSFER OF SUCH SHARES IN
CERTAIN CIRCUMSTANCES. A COPY OF SUCH AGREEMENTS MAY BE OBTAINED, WITHOUT
CHARGE, AT THE COMPANY'S PRINCIPAL OFFICE.

            4.9 Brokers and Finders. Other than C.K. Cooper & Company, Inc. and
Northeast Securities, Inc., no Person will have, as a result of the transactions
contemplated by this Agreement, any valid right, interest or claim against or
upon the Company or an Investor for any commission, fee or other compensation
pursuant to any agreement, arrangement or understanding entered into by or on
behalf of the Investor.

      5. CONDITIONS TO INVESTOR'S OBLIGATIONS AT CLOSING.

            5.1 Closing. The obligations of the Investor under Section 2 of this
Agreement to purchase the Purchased Shares on the Closing Date are subject to
the fulfillment or waiver, on or before the Closing Date, of each of the
following conditions:

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                  5.1.1 Securities Exemptions. The offer and sale of the
Purchased Shares to the Investor pursuant to this Agreement shall be exempt from
the registration requirements under the Securities Act and applicable state
securities laws, and the rules thereunder.

                  5.1.2 Agreement. The Company shall have executed and delivered
to the Investor this Agreement.

                  5.1.3 No Statute or Rule Challenging Transaction. No statute,
rule, regulation, executive order, decree, ruling, injunction, action,
proceeding or interpretation shall have been enacted, entered, promulgated,
endorsed or adopted by any court or governmental authority of competent
jurisdiction or any self-regulatory organization or the staff of any of the
foregoing having authority over the matters contemplated hereby which questions
the validity of, or challenges or prohibits the consummation of, any of the
transactions contemplated by this Agreement.

                  5.1.4 Registration Rights Agreement. The Company shall have
executed and delivered that certain Registration Rights Agreement dated the date
hereof.

      6. CONDITIONS TO THE COMPANY'S OBLIGATIONS AT CLOSING.

            6.1 Closing. The obligations of the Company under this Agreement to
sell the Purchased Shares to the Investor on the Closing Date are subject to the
fulfillment or waiver, on or before the Closing Date, of the following
conditions:

                  6.1.1 Payment of Purchase Price. The Investor shall have
delivered to the Company the purchase price for the Purchased Shares in
accordance with the provisions of Section 2, subject to the Company's delivery
of certificates for such shares.

            6.1.2 Agreement. The Investor shall have executed and delivered to
the Company this Agreement.

      7. MISCELLANEOUS.

            7.1 Definitions.

                  7.1.1 "Affiliate" has the meaning set forth in Rule 12b-2 of
the regulations promulgated under the Securities Exchange Act of 1934, as
amended. The term "Affiliate" also includes any child, stepchild, grandchild,
parent, stepparent, grandparent, spouse, sibling, mother-in-law, father-in-law,
son-in-law, daughter-in-law, brother-in-law or sister-in-law, including adoptive
relationships of a Person.

                  7.1.2 "Knowledge" means the actual knowledge of Stanton E.
Ross or Jon D. Klugh.

                  7.1.3 "Person" means an individual, a partnership, a limited
liability company, a corporation, an association, a joint stock company, a
trust, a joint venture, an unincorporated organization, or a governmental
authority.

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            7.2 Survival of Warranties. The representations, warranties and
covenants of the Company and the Investor contained in or made pursuant to this
Agreement shall survive the execution and delivery of this Agreement and the
Closing for a period of twelve months.

            7.3 Successors and Assigns. The terms and conditions of this
Agreement shall inure to the benefit of and be binding upon the respective
successors and assigns of the parties.

            7.4 Governing Law; Venue; Waiver Of Jury Trial. ALL QUESTIONS
CONCERNING THE CONSTRUCTION, VALIDITY, ENFORCEMENT AND INTERPRETATION OF THIS
AGREEMENT SHALL BE GOVERNED BY AND CONSTRUED AND ENFORCED IN ACCORDANCE WITH THE
LAWS OF THE STATE OF COLORADO. THE COMPANY AND INVESTORS HEREBY IRREVOCABLY
SUBMIT TO THE NON-EXCLUSIVE JURISDICTION OF THE STATE AND FEDERAL COURTS SITTING
IN THE CITY OF DENVER, COLORADO FOR THE ADJUDICATION OF ANY DISPUTE BROUGHT BY
THE COMPANY OR THE INVESTOR HEREUNDER, IN CONNECTION HEREWITH OR WITH ANY
TRANSACTION CONTEMPLATED HEREBY OR DISCUSSED HEREIN (INCLUDING WITH RESPECT TO
THE ENFORCEMENT OF ANY OF THE TRANSACTION DOCUMENTS), AND HEREBY IRREVOCABLY
WAIVE, AND AGREE NOT TO ASSERT IN ANY SUIT, ACTION OR PROCEEDING BROUGHT BY THE
COMPANY OR ANY INVESTOR, ANY CLAIM THAT IT IS NOT PERSONALLY SUBJECT TO THE
JURISDICTION OF ANY SUCH COURT, OR THAT SUCH SUIT, ACTION OR PROCEEDING IS
IMPROPER.

            7.5 Counterparts. This Agreement may be executed in two or more
counterparts, each of which shall be deemed an original, but all of which
together shall constitute one and the same instrument.

            7.6 Headings. The headings and captions used in this Agreement are
used for convenience only and are not to be considered in construing or
interpreting this Agreement. All references in this Agreement to sections,
paragraphs, exhibits, and schedules shall, unless otherwise provided, refer to
sections and paragraphs hereof and exhibits and schedules attached hereto, all
of which exhibits and schedules are incorporated herein by this reference.

            7.7 Notices. Unless otherwise provided, any notice required or
permitted under this Agreement shall be given in writing and shall be deemed
effectively given upon personal delivery to the party to be notified, by
telecopier or upon deposit with the United States Post Office, by registered or
certified mail, postage prepaid and addressed to the party to be notified in the
case of the Company, at 1401 W. Main - Suite C, Chanute, Kansas 66720,
Attention: President, with a copy to Deborah Friedman, Davis Graham & Stubbs
LLP, 1550 Seventeenth Street, Suite 500, Denver, Colorado 80202, or in the case
of Investor, at ___________________, or at such other address as any party may
designate by giving ten (10) days advance written notice to the other party.
Notices shall be deemed delivered upon delivery if personally delivered, one
business day after transmission with confirmation of receipt if sent by
telecopier, or three (3) days after deposit in the mails if mailed.

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            7.8 Costs, Expenses. Each party's costs in connection with the
preparation, execution, delivery and performance of this Agreement (including
without limitation legal fees) shall be borne by that party.

            7.9 Amendments and Waivers. Any term of this Agreement may be
amended and the observance of any term of this Agreement may be waived (either
generally or in a particular instance and either retroactively or
prospectively), only with the written consent of the Company and the Investor.

            7.10 Severability. If one or more provisions of this Agreement are
held to be invalid, illegal or unenforceable under applicable law, such
provision(s) shall be excluded from this Agreement and the balance of the
Agreement shall be interpreted as if such provision(s) were so excluded and
shall be enforceable in accordance with its terms.

            7.11 Entire Agreement. This Agreement, together with any exhibits
and schedules hereto, constitutes the entire agreement and understanding of the
parties with respect to the subject matter hereof and supersedes any and all
prior negotiations, correspondence, agreements, understandings, duties or
obligations between the parties with respect to the subject matter hereof.

            7.12 Further Assurances. From and after the date of this Agreement,
upon the request of the Investor or the Company, the Company and the Investor
shall execute and deliver such instruments, documents or other writings as may
be reasonably necessary or desirable to confirm and carry out and to effectuate
fully the intent and purposes of this Agreement.

            7.13 8-K Filing. Within one business day following the Closing, the
Company shall file a Current Report on Form 8-K with the SEC describing the
terms of the transactions contemplated by this Agreement and attaching this
Agreement as an exhibit to such filing (the "8-K Filing" including all
attachments). Until the time of the 8-K Filing, the Investor will treat this
offering and this Agreement as confidential and none of its provisions or terms
shall be disclosed to anyone who is not an officer or director of an Investor's
organization or an Investor's professional advisor.

            7.14 Public Announcements. The Investor and the Company shall
consult with each other before issuing, and give each other the opportunity to
review and comment upon, any subsequent press release primarily relating to the
transactions contemplated by this Agreement, and shall not issue any such press
release prior to such consultation, except as may be required by applicable law,
court process or by obligations pursuant to any listing agreement with any
national securities exchange or national securities quotation system.

                                       11
<PAGE>

         IN WITNESS WHEREOF, the parties hereto have executed this Common Stock
Purchase Agreement as of the date first above written.

Infinity, Inc.,
a Colorado corporation

By:                                                  By:
    ---------------------                               ------------------------
Name:                                                   Name:
Title:                                                  Title:

                                       12EXHIBIT 4.2

#584302.3

                                 INFINITY, INC.

                          REGISTRATION RIGHTS AGREEMENT

      THIS REGISTRATION RIGHTS AGREEMENT (this "Agreement") is made effective as
of November __, 2004, by and among Infinity, Inc., a Colorado corporation (the
"Company") and _________________ (the "Investor").

                                   Background

      The Company and the Investor have entered into that certain Common Stock
Purchase Agreement dated November __, 2004 (the "Purchase Agreement").

      As a material inducement to the Investor's obligations to consummate the
transactions contemplated by the Purchase Agreement, the Company has agreed to
enter into this Agreement with the Investor.

      NOW, THEREFORE, in consideration of the mutual promises contained herein,
and other good and valuable consideration, the receipt and sufficiency of which
are hereby acknowledged, and intending to be legally bound hereby, the Investor
and the Company hereby agree as follows:

                                   DEFINITIONS

      1.1 Definitions. Unless otherwise defined herein or in the Purchase
Agreement, the following terms shall have the following meanings for purposes of
this Agreement:

            (a) "Affiliate" shall mean, with respect to any Person, (i) a
director, officer, general or limited partner, manager, member or stockholder of
such Person, and (ii) any other Person that, directly or indirectly, through one
or more intermediaries, Controls, or is Controlled by, or is under common
Control with, such Person.

            (b) "Board of Directors" shall mean the Board of Directors of the
Company.

            (c) "Commission" shall mean the Securities and Exchange Commission
or any other federal agency at the time administering the Securities Act.

            (d) "Common Stock" shall mean the common stock of the Company.

            (e) "Control" shall mean, with respect to any Person, the
possession, directly or indirectly, of the power to direct or cause the
direction of the management or policies of a Person, whether through the
ownership of voting securities, by contract or otherwise.

            (f) "Exchange Act" shall mean the Securities Exchange Act of 1934,
as amended, and all rules and regulations promulgated thereunder.

<PAGE>

            (g) "Form S-3" means such form under the Securities Act as is in
effect on the date hereof or any successor registration form under the
Securities Act subsequently adopted by the Commission that permits inclusion or
incorporation of substantial information by reference to other documents filed
by the Company with the Commission.

            (h) "Holder" shall mean holders of Registrable Securities that have
registration rights pursuant to this Agreement.

            (i) "Person" shall mean any individual, partnership, limited
partnership, limited liability partnership, corporation, limited liability
company, association, trust, joint venture, unincorporated organization, and any
governmental authority or other legal or business entity of any kind.

            (j) "Prospectus" shall mean the prospectus included in any Shelf
Registration Statement (including, without limitation, a prospectus that
discloses information previously omitted from a prospectus filed as part of an
effective registration statement in reliance upon Rule 430A promulgated under
the Securities Act), as amended or supplemented by any prospectus supplement
(including, without limitation, any prospectus supplement with respect to the
terms of the offering of any portion of the Registrable Securities covered by
such Shelf Registration Statement), and all other amendments and supplements to
the Prospectus, including post-effective amendments, and all material
incorporated by reference or deemed to be incorporated by reference in such
Prospectus.

            (k) "Register," "registered" and "registration" shall refer to a
registration effected by preparing and filing a registration statement in
compliance with the Securities Act and the declaration or ordering of
effectiveness of such registration statement by the Commission.

            (l) "Registrable Securities" shall mean shares of Common Stock
acquired by the Investor pursuant to the Purchase Agreement, plus any shares of
Common Stock issued as a dividend or other distribution, grant or award with
respect to the shares of Common Stock described in the foregoing clause. As to
any particular Registrable Securities, such securities shall cease to be
Registrable Securities when (i) such securities shall have been transferred or
disposed of pursuant to an effective registration statement under the Securities
Act or an exemption from the registration requirements of the Securities Act,
new certificates therefor not bearing a legend restricting further transfer
shall have been delivered by the Company and the subsequent transfer or
disposition of such securities shall not require their registration or
qualification under the Securities Act or any similar state law then in force or
(ii) such securities shall have ceased to be outstanding.

            (m) "Securities Act" shall mean the Securities Act of 1933, as
amended, and the rules and regulations promulgated thereunder.

                                       2
<PAGE>

                                   ARTICLE 2

                               REGISTRATION RIGHTS

      2.1 Form S-3 Shelf Registration.

            (a) Registration. The Company shall prepare and file with the
Commission as soon as practicable but in any event within forty-five (45) days
after the Closing Date and use its commercially reasonable efforts (i) to have
declared effective as soon as practicable thereafter (but in any event within
one hundred fifty (150) days after the date that the Form S-3 was initially
filed with the Commission), a registration statement on Form S-3 (or, if the
Company is not then eligible to use Form S-3, then another appropriate form)
providing for the resale by the Holders of all of the Registrable Securities
(the "Shelf Registration Statement"), and (ii) to provide a transfer agent and
registrar for all securities registered pursuant to the Shelf Registration
Statement. The Shelf Registration Statement may include securities other than
those held by Holders. The Company shall use its commercially reasonable efforts
to keep the Shelf Registration Statement continuously effective (subject to
Section 2.1(c)), pursuant to the Securities Act and the Rules and Regulations
promulgated thereunder, until the earliest to occur of (i) the second
anniversary of the Closing Date and (ii) as to a particular Holder, such time as
all Registrable Securities held by such Holder have been sold (A) pursuant to
the Shelf Registration Statement, (B) to or through a broker or dealer or
underwriter in a public distribution or a public securities transaction, and/or
(C) the date on which such Holder can sell all of its Registrable Securities
without registration pursuant to Rule 144(k) (such period, the "Registration
Period"). In the event that the Shelf Registration Statement shall cease to be
effective during the Registration Period, the Company shall promptly prepare and
file a new registration statement covering all Registrable Securities and shall
use its commercially reasonable efforts to have such registration statement
declared effective as soon as practicable. Any such registration statement shall
be considered a "Shelf Registration Statement" hereunder.

            (b) Liquidated Damages. In the event that the Shelf Registration
Statement is not filed within forty-five (45) days after the Closing Date or
declared effective by the date that is one hundred fifty (150) days after the
date that the Form S-3 was initially filed with the Commission, the Company
shall pay to the Investor liquidated damages (collectively, the "Liquidated
Damages"), in cash, in an amount equal to one percent (1.0%) of the total
purchase price of the Purchased Shares purchased by such Investor pursuant to
the Purchase Agreement (a "Liquidated Damages Payment") for each thirty day
period (or portion thereof) thereafter, until the Shelf Registration Statement
is filed or becomes effective, as the case may be; provided, however that in the
case of any such period of less than thirty days the Liquidated Damages Payment
shall be calculated on a pro rata basis based on the number of days actually
elapsed in such period; and provided further, however, that such Liquidated
Damages shall in no event exceed five percent (5%) of the total purchase price
of the Purchased Shares purchased by the Investor. Each Liquidated Damages
Payment payable in respect of a thirty day period (or portion thereof) shall be
paid at the end of such thirty day period (or portion thereof). Notwithstanding
the foregoing, all periods shall be tolled during delays directly caused by the
action or inaction of the Investor, and the Company shall have no liability to
the Investor in respect of any such delay. If the Company fails to pay any
liquidated damages pursuant to this Section in full within seven days after the
date payable, the Company will pay interest thereon at a rate of 18% per annum
(or such lesser maximum amount that is permitted to be paid by applicable law)
to the Investor, accruing daily from the date such partial liquidated damages
are due until such amounts, plus all such interest thereon, are paid in full.

                                       3
<PAGE>

            (c) Suspension. If in the good faith judgment of the Board of
Directors of the Company, following the advice of its counsel, it is determined
that: (i) it would be in violation of the Securities Act or Exchange Act for
sales to be made from the Shelf Registration Statement, or (ii) there exists a
material development that the Company would be obligated to disclose in the
Shelf Registration Statement, which disclosure would be premature or
inadvisable, then the Company will be permitted to suspend the use of the Shelf
Registration Statement from time to time for a period not to exceed 45 days in
any one instance, or an aggregate of 90 days in any twelve month period. In the
event of any suspension of the effectiveness of the Shelf Registration Statement
or similar event, the Company will immediately notify the Investor by facsimile.
Upon receipt of notification from the Company of any suspension of the
effectiveness of the Shelf Registration Statement or similar event, the Investor
will immediately discontinue disposition of the securities underlying the Shelf
Registration Statement. In such event, the Company will use commercially
reasonable efforts to cause the use of the Shelf Registration Statement so
suspended to be resumed as soon as possible.

            (d) Liquidated Damages not a Penalty. The Company and the Investor
agree that, in the event that under the circumstances described above, the Shelf
Registration Statement is not declared effective within one hundred fifty (150)
days after the date that the Form S-3 was initially filed with the Commission,
as contemplated in Section 2.1(b), it would be impracticable or extremely
difficult to fix or determine the Investor's actual damages. Therefore, the
Company and the Investor each agree that the amount of the Liquidated Damages
has been agreed upon as liquidated damages after negotiation as to the parties'
reasonable estimate of the Investor's damages. The Company and the Investor
agree that the amount of Liquidated Damages is reasonable in light of the
circumstances existing at the execution of this Agreement. The Company and the
Investor each acknowledge that the payment of such Liquidated Damages is not
intended as a forfeiture or penalty.

            (e) Expenses. The registration fees and expenses incurred by the
Company in connection with the Shelf Registration Statement, including, without
limitation, all registration, qualification and filing fees, printing expenses,
escrow fees, fees and disbursements of counsel for the Company, blue sky fees
and expenses, transfer agent expenses and the expense of any special audits
incident to or required by any such registration, shall be borne by the Company.
Each Holder shall be responsible for any fees and expenses of its counsel or
other advisers.

                                       4
<PAGE>

      2.2 Obligations of the Company. The Company shall furnish to the Holder
such number of copies of a Prospectus, including a preliminary Prospectus, in
conformity with the requirements of the Securities Act, and such other documents
(including supplements or prospectus amendments) as the Holder may reasonably
request in order to facilitate the public sale or other disposition of the
Registrable Securities owned by it that are included in such registration. Upon
effectiveness of the Shelf Registration Statement, the Company shall cause to be
furnished to its transfer agent an opinion of counsel regarding the resale of
the Registrable Securities. In addition, whenever required to effect the
registration of any Registrable Securities under this Agreement, the Company
shall, as expeditiously as reasonably possible:

            (a) Use commercially reasonable efforts to (i) register and qualify
the securities covered by such registration statement under such other
securities or Blue Sky laws of such states as shall be reasonably requested by
the Holder, provided that the Company shall not be required in connection
therewith or as a condition thereto to qualify to do business or to file a
general consent to service of process in any such states or jurisdictions in
which it is not now so qualified or has not so consented and (ii) to keep such
registration or qualification in effect for so long as the Shelf Registration
Statement remains in effect, except that the Company shall not for any such
purpose be required to qualify generally to do business as a foreign corporation
in any jurisdiction where it is not so qualified, or to subject itself to
taxation in any such jurisdiction, or to execute a general consent to service of
process in effecting such registration, qualification or compliance, unless the
Company is already subject to service in such jurisdiction and except as may be
required by the Securities Act or applicable rules or regulations thereunder.

            (b) Notify the Holder (i) that the Shelf Registration Statement has
become effective, (ii) of any request by the Commission or any other federal or
state governmental authority during the period of effectiveness of a
registration statement for amendments or supplements to such registration
statement or related prospectus or for additional information, (iii) of the
issuance by the Commission or any other federal or state governmental authority
of any stop order or similar action suspending the effectiveness of a
registration statement or the initiation of any proceedings for that purpose,
and (iv) after the receipt by the Company from the Commission or any other
federal or state governmental authority of any notification with respect to the
suspension of the qualification or exemption from qualification of any of the
Registrable Securities for sale in any jurisdiction or the initiation or
threatening of any proceeding for such purpose.

            (c) Use commercially reasonable efforts to obtain the withdrawal of
any order suspending the effectiveness of the Shelf Registration Statement.

            (d) File such amendments (including post-effective amendments) and
supplements to the Shelf Registration Statement and the Prospectus, file such
documents as may be required to be incorporated by reference in any of such
documents, and take all other actions as may be necessary to ensure to the
holders of Registrable Securities the ability to effect the public resale of
their Registrable Securities (including, without limitation, and taking any
commercially reasonable actions necessary to ensure the availability of a
Prospectus meeting the requirements of Section 10(a) of the Securities Act)
continuously throughout the Registration Period.

                                       5
<PAGE>

      2.3 Furnish Information. It shall be a condition precedent to the
obligations of the Company to take any action pursuant to Section 2.1 or Section
2.2 that the Holder shall furnish to the Company such information regarding it,
the Registrable Securities held by it, and the intended method of disposition of
such securities (and, when necessary, furnish updated information) as shall be
required to timely effect (and maintain the effectiveness of) the registration
of its Registrable Securities.

      2.4 Indemnification.

            (a) Indemnification by the Company. To the extent permitted by law,
the Company will indemnify and hold harmless the Investor, each Holder, and its
Affiliates and each of their respective partners, officers, directors, managers,
stockholders and members, and any underwriter (as defined in the Securities Act)
for such Investor or Holder and each person, if any, who Controls any of the
foregoing against any losses, claims, damages, liabilities, costs and expenses
(joint and several), insofar as such losses, claims, damages, liabilities, costs
and expenses (or actions in respect thereof) arise out of or are based upon any
of the following statements, omissions or violations (collectively a
"Violation") by the Company: (i) any untrue statement or alleged untrue
statement of a material fact contained (or incorporated by reference) in such
registration statement, including any preliminary prospectus or final prospectus
contained therein or any amendment or supplements thereto, (ii) the omission or
alleged omission to state therein a material fact required to be stated therein,
or necessary to make the statements therein not misleading, or (iii) any
violation or alleged violation by the Company of the Securities Act, the
Exchange Act, any state securities law or any rule or regulation promulgated
under the Securities Act, the Exchange Act or any state securities law in
connection with the offering covered by such registration statement, and the
Company will pay as incurred to such Investor, Holder, partner, officer,
director, manager, stockholder, member, underwriter or controlling person for
any legal or other expenses reasonably incurred by them in connection with
investigating or defending any such loss, claim, damage, liability or action;
provided, however, that the indemnity agreement contained in this Section shall
not apply to amounts paid in settlement of any such loss, claim, damage,
liability or action if such settlement is effected without the written consent
of the Company, which consent shall not be unreasonably withheld, nor shall the
Company be liable in any such case for any such loss, claim, damage, liability
or action to the extent that it arises out of or is based upon a Violation which
occurs in reliance upon and in conformity with written information furnished
expressly for use in connection with such registration by such Investor, Holder,
partner, officer, director, manager, stockholder, member, underwriter or
controlling person of such Investor or Holder.

            (b) Indemnification by the Investor. To the extent permitted by law,
the Investor and any Holder will, if Registrable Securities held by such
Investor or Holder are included in the securities as to which such registration,
qualifications or compliance is being effected, indemnify and hold harmless the
Company, each of its directors, its officers, its stockholders and each person,
if any, who controls the Company within the meaning of the Securities Act, any
underwriter and any Person selling securities under such registration statement
or any of such Person's partners, directors, managers, officers, stockholders or
members or any person who controls such Person, against any losses, claims,
damages or liabilities to which the Company or any such Company director,
officer or controlling person, underwriter or other Person, or partner,
director, manager, officer, stockholder or member or controlling person of such
Person may become subject under the Securities Act, the Exchange Act or other
federal or state law, insofar as such losses, claims, damages or liabilities (or
actions in respect thereto) arise out of or are based upon any Violation, in

                                       6
<PAGE>

each case to the extent (and only to the extent) that such Violation occurs in
reliance upon and in conformity with written information furnished by the
Investor or Holder under an instrument duly executed by such Investor or Holder
and stated to be specifically for use in connection with such registration; and
each such Investor or Holder will pay as incurred any legal or other expenses
reasonably incurred by the Company or any such director, officer, controlling
person, underwriter or other Person, or partner, officer, director, manager,
stockholder or member or controlling person of such other Person in connection
with investigating or defending any such loss, claim, damage, liability or
action; provided, however, that the indemnity agreement contained in this
Section shall not apply to amounts paid in settlement of any such loss, claim,
damage, liability or action if such settlement is effected without the written
consent of the Investor or Holder, which consent shall not be unreasonably
withheld.

            (c) Procedure. Promptly after receipt by an indemnified party under
this Section y2.4 of notice of the commencement of any action (including any
governmental action), such indemnified party will, if a claim in respect thereof
is to be made against any indemnifying party under this Section 2.4, deliver to
the indemnifying party a written notice of the commencement thereof and the
indemnifying party shall have the right to participate in, and, to the extent
the indemnifying party so desires, jointly with any other indemnifying party
similarly noticed, to assume the defense thereof with counsel mutually
satisfactory to the parties; provided, however, that an indemnified party shall
have the right to retain its own counsel, with the fees and expenses to be paid
by the indemnifying party, if representation of such indemnified party by the
counsel retained by the indemnifying party would be inappropriate due to actual
or potential differing interests between such indemnified party and any other
party represented by such counsel in such proceeding. The failure to deliver
written notice to the indemnifying party within a reasonable time of the
commencement of any such action, if materially prejudicial to its ability to
defend such action, shall relieve such indemnifying party of any liability to
the indemnified party under this Section 2.4. No indemnifying party, in the
defense of any such claim or litigation, shall, except with the consent of each
indemnified party, consent to entry of any judgment or enter into any settlement
which does not include as an unconditional term thereof the giving by the
claimant or plaintiff to such indemnified party of a release from all liability
in respect to such claim or litigation.

            (d) Contribution. If the indemnification provided for in this
Section 2.4 is held by a court of competent jurisdiction to be unavailable to an
indemnified party with respect to any losses, claims, damages or liabilities
referred to herein, the indemnifying party, in lieu of indemnifying such
indemnified party thereunder, shall to the extent permitted by applicable law
contribute to the amount paid or payable by such indemnified party as a result
of such loss, claim, damage or liability in such proportion as is appropriate to
reflect the relative fault of the indemnifying party on the one hand and of the
indemnified party on the other in connection with the Violation(s) that resulted
in such loss, claim, damage or liability, as well as any other relevant
equitable considerations. The relative fault of the indemnifying party and of
the indemnified party shall be determined by a court of law by reference to,
among other things, whether the untrue or alleged untrue statement of a material
fact or the omission to state a material fact relates to information supplied by
the indemnifying party or by the indemnified party and the parties' relative
intent, knowledge, access to information and opportunity to correct or prevent
such statement or omission.

                                       7
<PAGE>

            (e) Survival. The obligations of the Company and Investor or Holder
under this Section 2.4 shall survive completion of any offering of Registrable
Securities in a registration statement and the termination of this Agreement.

            (f) Defect Eliminated in Final Prospectus. The foregoing indemnity
agreements of the Company and the Holder are subject to the condition that,
insofar as they relate to any Violation made in a preliminary prospectus but
eliminated or remedied in the amended Prospectus on file with the Commission at
the time the registration statement in question becomes effective or in the
amended Prospectus filed with the Commission pursuant to Rule 424(b) of the
Commission (the "Final Prospectus"), such indemnity agreements shall not inure
to the benefit of any person if a copy of the Final Prospectus was furnished in
a timely manner to the indemnified party and was not furnished to the person
asserting the loss, liability, claim or damage at or prior to the time such
action is required by the Securities Act.

      2.5 Rule 144 Reporting. With a view to making available to the Investor or
Holder the benefits of certain rules and regulations of the Commission which may
permit the sale of the Registrable Securities to the public without
registration, the Company agrees to use commercially reasonable efforts to:

            (a) Make and keep public information regarding the Company
available, as those terms are understood and defined in Rule 144 under the
Securities Act or any similar or analogous rule promulgated under the Securities
Act, at all times after the effective date of the Shelf Registration Statement;

            (b) File with the Commission, in a timely manner, all reports and
other documents required of the Company under the Exchange Act after it has
become subject to such reporting obligations; and

            (c) So long as the Investor or Holder owns any Registrable
Securities, furnish to such Investor or Holder upon written request: a written
statement by the Company as to its compliance with the reporting requirements of
said Rule 144 under the Securities Act, and of the Exchange Act (at any time
after it has become subject to such reporting requirements); a copy of the most
recent annual or quarterly report of the Company; and such other reports and
documents as an Investor or Holder may reasonably request in availing itself of
any rule or regulation of the Commission allowing it to sell any such securities
without registration.

      2.6 Assignment of Registration Rights. The rights to cause the Company to
register Registrable Securities pursuant to this Article 2 may be assigned by
the Investor to a transferee or assignee of Registrable Securities; provided
that prior to the transfer, (i) the transferor shall furnish to the Company
written notice of the name and address of such transferee or assignee and the
securities with respect to which such registration rights are being assigned and
(ii) such transferee shall agree in writing to be subject to all restrictions
applicable to and obligations of the transferring Investor set forth in this
Agreement.

                                       8
<PAGE>

                                   ARTICLE 3

                                  MISCELLANEOUS

      3.1 Termination of Agreement. This Agreement shall terminate upon the
earliest to occur of (i) the second anniversary of the Closing Date and (ii) as
to the Investor, such time as all Registrable Securities held by such Investor
have been sold (A) pursuant to the Shelf Registration Statement, (B) to or
through a broker or dealer or underwriter in a public distribution or a public
securities transaction, and/or (C) the date on which such Investor can sell all
of its Registrable Securities without registration pursuant to Rule 144(k).

      3.2 Entire Agreement. This Agreement contains the entire agreement between
the parties hereto pertaining to the subject matter hereof and supersedes all
prior agreements among any of them with respect thereto.

      3.3 Amendment; Waiver. Neither this Agreement nor any term hereof may be
amended, waived or discharged other than by written instrument signed by the
Company and the Investor.

      3.4 Governing Law. This Agreement shall be governed by and construed in
accordance with the domestic substantive laws of the State of Colorado, without
giving effect to any choice or conflict of law provision or rule that would
cause the application of the laws of any other jurisdiction.

      3.5 Notices. All notices and other communications given to any party
hereto pursuant to this Agreement shall be in writing and shall be hand
delivered, or sent either by (a) certified mail, postage prepaid, return receipt
requested; (b) electronic mail, (c) an overnight express courier service that
provides written confirmation of delivery; or (d) facsimile transmission with
written confirmation by the sending machine or with telephone confirmation of
receipt (provided that a confirming copy is sent by overnight express courier
service that provides written confirmation of delivery), addressed as follows:

(a) If to the Company:

                                    Infinity, Inc.
                                    1401 W. Main - Suite C
                                    Chanute, Kansas 66720
                                    Tel: (620) 431-6200
                                    Fax: (620) 431-6262
                                    Attention: President

                                    with a copy to:

                                    Davis Graham & Stubbs LLP
                                    1550 17th Street, Suite 500
                                    Denver, CO 80202
                                    Tel: 303-892-9400
                                    Fax: 303-893-1379
                                    E-mail: deborah.friedman@dgslaw.com
                                    Attention: Deborah Friedman

                                       9
<PAGE>

(b) To the Investor:

Any communication given in conformity with this Section 3.5 shall be effective
upon the earlier of actual receipt or deemed delivery. Delivery shall be deemed
to have occurred as follows: if hand delivered on the day so delivered; if
mailed, three business days after the same is deposited in the United States
Mail; if telecopied or sent by electronic mail, upon written confirmation by the
sending machine of effective transmission or upon telephone confirmation of
receipt; and if sent by overnight express courier service, the next business
day. Any party may at any time change its address for receiving communications
pursuant to this Section 3.5 by giving notice of a new address in the manner
provided herein.

      3.6 Assignment. Except as expressly provided in Section 2.6, hereof, none
of the rights and obligations of any Investor set forth in this Agreement may be
transferred or assigned without the prior written consent of the Company (which
consent shall not be unreasonably withheld), and any purported assignment made
without such consent shall be void. This Agreement shall be binding upon, and
inure to the benefit of, the parties hereto, all permitted transferees and
assignees of any Investor, and all of the respective heirs, legatees, personal
representatives, successors and assigns of any Investor, to the extent permitted
by this Agreement.

      3.7 Invalid Provision. If any term or provision of this Agreement is held
by a court of competent jurisdiction to be invalid, void or unenforceable in any
respect, the remainder of the terms and provisions shall be unaffected and shall
remain in full force and effect, and any such invalid, void or unenforceable
term or provision shall be construed by limiting it so as to be valid and
enforceable to the maximum extent compatible with, and possible under,
applicable law.

      3.8 Time Periods. In computing the number of days for any purpose of this
Agreement, all days shall be counted including Saturdays, Sundays and holidays,
except that if the last day of any period occurs on a Saturday, Sunday or
holiday, the period will be deemed extended to the end of the next succeeding
day which is not a Saturday, Sunday or holiday. A holiday for purposes of this
Agreement shall mean those days on which banks in the State of Delaware may, or
are obligated to, remain closed.

      3.9 Counterparts. This Agreement may be executed in any number of
counterparts, each of which shall be deemed an original, but all of which
together shall constitute but one and the same instrument.

                                       10
<PAGE>

      3.10 Delivery by Facsimile. This Agreement, the agreements referred to
herein, and each other agreement or instrument entered into in connection
herewith or therewith or contemplated hereby or thereby, and any amendments
hereto or thereto, to the extent signed and delivered by means of a facsimile
machine, shall be treated in all manner and respects as an original agreement or
instrument and shall be considered to have the same binding legal effect as if
it were the original signed version thereof delivered in person. At the request
of any party hereto or to any such agreement or instrument, each other party
hereto or thereto shall re-execute original forms thereof and deliver them to
all other parties. No party hereto or to any such agreement or instrument shall
raise the use of a facsimile machine to deliver a signature or the fact that any
signature or agreement or instrument was transmitted or communicated through the
use of a facsimile machine as a defense to the formation or enforceability of a
contract and each such party forever waives any such defense.

      3.11 Interpretation of Agreement. The parties hereto acknowledge and agree
that this Agreement has been negotiated at arm's-length and among parties
equally sophisticated and knowledgeable in the matters dealt with in this
Agreement. Accordingly, any rule of law or legal decision that would require
interpretation of any ambiguities in this Agreement against the party that has
drafted it is not applicable and is waived. The provisions of this Agreement
shall be interpreted in a reasonable manner to effect the intent of the parties
as set forth in this Agreement.

                            [signature pages follow]

                                       11
<PAGE>

IN WITNESS WHEREOF, the parties hereto have executed this Agreement as of the
day and year first above written.

                                                     INFINITY, INC.

                                                     By: _______________________
                                                         Name:
                                                         Title:

                                                      "INVESTOR"

                                                     By:

                                                     By: _______________________
                                                     Name:
                                                     Title:

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