Wisconsin Public Service Corporation Senior Notes, 6 1/8% Series Due August 1, 2011 Underwriting Agreement

Exhibit 1

EXECUTION COPY

Senior Notes, 6 1/8% Series Due August 1, 2011

August 14, 2001

▇. ▇. ▇▇▇▇▇▇▇ & Sons, Inc.
UBS Warburg LLC
c/o ▇.▇. ▇▇▇▇▇▇▇ & Sons, Inc.
▇▇▇ ▇▇▇▇▇ ▇▇▇▇▇▇▇▇▇ ▇▇▇▇▇▇
▇▇. ▇▇▇▇▇, ▇▇▇▇▇▇▇▇ ▇▇▇▇▇

Ladies and Gentlemen:

Wisconsin Public Service Corporation, a corporation organized under the laws of Wisconsin (the "Company"), proposes to sell to the several underwriters named in Schedule II hereto (the "Underwriters"), for whom you (the "Representatives") are acting as representatives, the principal amount of its senior debt securities identified in Schedule I hereto (the "Senior Notes"), to be issued under an Indenture dated as of December 1, 1998, between the Company and Firstar Bank, N.A. (as successor to Firstar Bank Milwaukee, N.A.), as trustee (the "Senior Trustee"), as amended and supplemented to the Execution Time (the "Original Senior Indenture") and to be further supplemented by the Second Supplemental Indenture dated as of August 1, 2001, creating the series in which the Senior Notes are to be issued, a form of which is included as an exhibit to the Registration Statement (the "Supplemental Indenture to the Senior Indenture"). The term "Senior Indenture," as used herein, means the Original Senior Indenture as supplemented by the Supplemental Indenture to the Senior Indenture. To the extent there are no additional Underwriters listed on Schedule II other than you, the term Representatives as used herein shall mean you, as Underwriters, and the terms Representatives and Underwriters shall mean either the singular or plural as the context requires.

Until the Release Date (as defined in the Senior Indenture), the Senior Notes will be secured as to payment of principal and interest by the Company's First Mortgage Bonds, Collateral Series B (the "Collateral Bonds"), issued under and ratably secured by the First Mortgage and Deed of Trust dated January 1, 1941 between the Company and Firstar Bank, N.A. (the successor to First Wisconsin Trust Company), as Trustee (the "Mortgage Trustee"), as amended and supplemented to the Execution Time (as so amended and supplemented, the "Original Mortgage Indenture") and to be further supplemented by the Thirty-Fourth Supplemental Indenture thereto, a form of which is included in the Registration Statement, creating the Collateral Bonds (the "Supplemental Indenture to the Mortgage Indenture"). The term "Mortgage Indenture," as used herein, means the Original Mortgage Indenture, as supplemented by the Supplemental Indenture to the Mortgage Indenture. The Collateral Bonds will be issued, pledged and delivered to the Senior Trustee by the Company concurrently with the issue and delivery of the Senior Notes.

Any reference herein to the Registration Statement, the Basic Prospectus, any Preliminary Prospectus or the Final Prospectus shall be deemed to refer to and include the documents incorporated by reference therein pursuant to Item 12 of Form S-3 which were filed under the Exchange Act on or before the Effective Date of the Registration Statement or the issue date of the Basic Prospectus, any Preliminary Prospectus or the Final Prospectus, as the case may be; and any reference herein to the terms "amend", "amendment" or "supplement" with respect to the Registration Statement, the Basic Prospectus, any Preliminary Prospectus or the Final Prospectus shall be deemed to refer to and include the filing of any document under the Exchange Act after the Effective Date of the Registration Statement or the issue date of the Basic Prospectus, any Preliminary Prospectus or the Final Prospectus, as the case may be, deemed to be incorporated therein by reference. Certain terms used herein are defined in Section 17 hereof. Capitalized terms used herein and not otherwise defined have the meaning given such terms in the Senior Indenture.

1. Representations and Warranties. The Company represents and warrants to, and agrees with, each Underwriter as set forth below in this Section 1.

(a) The Company meets the requirements for use of Form S-3 under the Act and has prepared and filed with the Commission a registration statement on Form S-3 (the file number of which is set forth in Schedule I hereto and to which $52 million of Senior Notes were carried forward from a previously filed registration statement), including a related basic prospectus, for registration under the Act of the offering and sale of the Senior Notes. The Company may have filed one or more amendments thereto, including a Preliminary Prospectus, each of which has previously been furnished to you. The Company will next file with the Commission one of the following: (1) after the Effective Date of such registration statement, a final prospectus supplement relating to the Senior Notes in accordance with Rules 430A and 424(b), (2) prior to the Effective Date of such registration statement, an amendment to such registration statement (including the form of final prospectus supplement), or (3) a final prospectus in accordance with Rules 415 and 424(b). In the case of clause (1), the Company has included in such registration statement, as amended at the Effective Date, all information (other than Rule 430A Information) required by the Act and the rules thereunder to be included in such registration statement and the Final Prospectus. As filed, such final prospectus supplement or such amendment and form of final prospectus supplement shall contain all Rule 430A Information, together with all other such required information, and, except to the extent the Representatives shall agree in writing to a modification, shall be in all substantive respects in the form furnished to you prior to the Execution Time or, to the extent not completed at the Execution Time, shall contain only such specific additional information and other changes (beyond that contained in the Basic Prospectus and any Preliminary Prospectus) as the Company has advised you, prior to the Execution Time, will be included or made therein. The Registration Statement, at the Execution Time, meets the requirements set forth in Rule 415(a)(1)(x).

(b) On the Effective Date, the Registration Statement did or will, and when the Final Prospectus is first filed (if required) in accordance with Rule 424(b) and on the Closing Date (as defined herein), the Final Prospectus (and any supplement thereto) will, comply in all material respects with the applicable requirements of the Act, the Exchange Act and the Trust Indenture Act and the respective rules thereunder; on the Effective Date and at the Execution Time, the Registration Statement did not or will not contain any untrue statement of a material fact or omit to state any material fact required to be stated therein or necessary in order to make the statements therein not misleading; on the Effective Date and on the Closing Date the Indenture did or will comply in all material respects with the applicable requirements of the Trust Indenture Act and the rules thereunder; and, on the Effective Date, the Final Prospectus, if not filed pursuant to Rule 424(b), will not, and on the date of any filing pursuant to Rule 424(b) and on the Closing Date, the Final Prospectus (together with any supplement thereto) will not, include any untrue statement of a material fact or omit to state a material fact necessary in order to make the statements therein, in the light of the circumstances under which they were made, not misleading; provided, however, that the Company makes no representations or warranties as to (i) that part of the Registration Statement which shall constitute the Statement of Eligibility and Qualification (Form T-1) under the Trust Indenture Act of the Trustee or (ii) the information contained in or omitted from the Registration Statement or the Final Prospectus (or any supplement thereto) in reliance upon and in conformity with information furnished in writing to the Company by or on behalf of any Underwriter through the Representatives specifically for inclusion in the Registration Statement or the Final Prospectus (or any supplement thereto).

(c) The Company has been duly incorporated and is validly existing as a corporation under the laws of the State of Wisconsin with power and authority (corporate and other) to own or lease, as the case may be, and to operate its properties and conduct its business as described in the Final Prospectus; the Company has not filed Articles of Dissolution with the Department of Financial Institutions of the State of Wisconsin, and no grounds exist for the Department of Financial Institutions of the State of Wisconsin to dissolve such corporation administratively pursuant to the provisions of the Wisconsin Business Corporation Law; the Company is duly qualified to do business as a foreign corporation and is in good standing under the laws of each jurisdiction which requires such qualification; the Company is a "public utility company," as such term is defined in the Public Utility Holding Company Act of 1935, as amended (the "Public Utility Holding Company Act").

(d) The Company has no subsidiaries which, either individually or considered in the aggregate as a single subsidiary, constitute a "significant subsidiary" as defined in Rule 1-02 of Regulation S-X.

(e) All of the Company's issued and outstanding shares of common stock are owned, beneficially and of record, by WPS Resources Corporation, a Wisconsin corporation ("WPSR"); the Company's authorized preferred stock is as set forth in the Final Prospectus; except as set forth in the Final Prospectus, no options, warrants or other rights to purchase, agreements or other obligations to issue, or rights to convert any obligations into or exchange any securities for, shares of capital stock or ownership interests of the Company are outstanding.

(f) There is no franchise, contract or other document of a character required to be described in the Registration Statement or Final Prospectus, or to be filed as an exhibit thereto, which is not described or filed as required.

(g) This Agreement has been duly authorized, executed and delivered by the Company and constitutes a valid and binding obligation of the Company enforceable in accordance with its terms.

(h) The Original Senior Indenture has been duly authorized, executed and delivered by the Company; the Supplemental Indenture to the Senior Indenture has been duly authorized by the Company and, on the Closing Date, will have been duly executed and delivered by the Company and, assuming due authorization, execution and delivery by the Senior Trustee, the Senior Indenture will be a valid and binding instrument enforceable against the Company in accordance with its terms, subject, as to enforcement of remedies, to applicable bankruptcy, reorganization, insolvency, moratorium, or other laws affecting creditors' rights generally from time to time in effect and to general principles of equity, including, without limitation, concepts of materiality, reasonableness, good faith and fair dealing, regardless of whether considered in a proceeding in equity or at law (the "Bankruptcy Exceptions"); the Senior Indenture has been duly qualified under the Trust Indenture Act; the Senior Indenture conforms in all material respects to the description thereof contained in the Final Prospectus.

(i) The Senior Notes have been duly authorized by the Company; on the Closing Date, the Senior Notes will have been duly executed by the Company, and when authenticated in accordance with the provisions of the Senior Indenture and delivered and paid for by the Underwriters pursuant to this Agreement, will constitute valid and legally binding obligations of the Company entitled to the benefits and security provided by the Senior Indenture and enforceable against the Company in accordance with their terms, subject, as to enforcement of remedies, to the Bankruptcy Exceptions; the Senior Notes conform in all material respects to the description thereof contained in the Final Prospectus.

(j) The Original Mortgage Indenture has been duly authorized, executed and delivered by the Company; the Supplemental Indenture to the Mortgage Indenture has been duly authorized by the Company and, on the Closing Date, will have been duly executed and delivered by the Company and, assuming due authorization, execution and delivery by the Mortgage Trustee, the Mortgage Indenture will constitute a valid and binding instrument, enforceable against the Company in accordance with its terms, except as the same may be limited by the laws of the States of Wisconsin and Michigan affecting the remedies for the enforcement of the security provided for therein (which laws do not make such remedies inadequate for the realization of the benefits of such security) and by the Bankruptcy Exceptions; the Mortgage Indenture conforms in all material respects to the description thereof contained in the Final Prospectus.

(k) The Collateral Bonds have been duly authorized by the Company and, when duly executed and authenticated in accordance with the provisions of the Mortgage Indenture and delivered to the Senior Trustee in the manner provided therein, will have been duly authorized, executed, authenticated and issued and will constitute valid and legally binding obligations of the Company, secured by the lien of, and entitled to the benefits provided by, the Mortgage Indenture, equally and ratably with all other bonds of the Company duly issued and outstanding under the Mortgage Indenture, and will be enforceable against the Company in accordance with their terms, except as the same may be limited by the laws of the States of Wisconsin and Michigan affecting the remedies for the enforcement of the security provided for therein (which laws do not make such remedies inadequate for the realization of the benefits of such security) and by the Bankruptcy Exceptions; the Collateral Bonds conform in all material respects to the description thereof contained in the Final Prospectus.

(l) Each of the Company and its subsidiaries owns or leases all such properties as are necessary to the conduct of its operations as presently conducted. The properties of the Company described under Item 2 of the Company's most recent Annual Report on Form 10-K are owned in fee simple either individually or jointly, as indicated in such annual report, or are held under valid leases, in each case subject only to the lien of the Mortgage Indenture and minor imperfections of titles and encumbrances, if any, which are not substantial in amount, do not materially detract from the value or marketability of the properties subject thereto, and do not materially impair the Company's operations.

(m) The Company is not and, after giving effect to the offering and sale of the Senior Notes and the application of the proceeds thereof as described in the Final Prospectus, will not be an "investment company" as defined in the Investment Company Act of 1940, as amended.

(n) Except for WPSR, no person or corporation which is a "holding company" or a "subsidiary of a holding company" within the meaning of such terms as defined in the Public Holding Company Act, directly or indirectly owns, controls or holds with power to vote 10% or more of the outstanding voting securities of the Company; WPSR and the Company are presently exempt from the provisions of the Public Utility Holding Company Act which would require them to register thereunder.

(o) The Public Service Commission of Wisconsin has duly authorized the issuance and sale by the Company of the Senior Notes and the issuance and pledge of the Collateral Bonds on the terms set forth in the Final Prospectus and this Agreement, and such authorization is in force and effect and sufficient for the issuance and sale of the Senior Notes to the Underwriters and the issuance and pledge of the Collateral Bonds to the Senior Trustee. No other consent, approval, authorization, filing with or order of any court or other governmental agency or body is required in connection with the transactions contemplated herein, except such as have been obtained under the Act and the Trust Indenture Act and such as may be required under the blue sky laws of any jurisdiction in connection with the purchase and distribution of the Senior Notes by the Underwriters in the manner contemplated herein and in the Final Prospectus.

(p) The execution and delivery of the Senior Indenture or the Supplemental Indenture to the Mortgage Indenture, the issue and sale of the Senior Notes, the issue and pledge of the Collateral Bonds, the consummation of any other of the transactions herein contemplated or the fulfillment of the terms hereof will not conflict with, result in a breach or violation or imposition of any lien, charge or encumbrance upon any property or assets of the Company or any of its subsidiaries pursuant to, (i) the charter or by-laws of the Company or any of its subsidiaries, (ii) the terms of any indenture, contract, lease, mortgage, deed of trust, note agreement, loan agreement or other agreement, obligation, condition, covenant or instrument to which the Company or any of its subsidiaries is a party or bound or to which its or their property is subject (other than the lien of the Mortgage Indenture), or (iii) any statute, law, rule, regulation, judgment, order or decree applicable to the Company or any of its subsidiaries of any court, regulatory body, administrative agency, governmental body, arbitrator or other authority having jurisdiction over the Company or any of its subsidiaries or any of its or their properties.

(q) No holders of securities of the Company have rights to the registration of such securities under the Registration Statement.

(r) The consolidated historical financial statements and schedules of the Company and its consolidated subsidiary included in the Final Prospectus and the Registration Statement present fairly in all material respects the financial condition, results of operations and cash flows of the Company and its subsidiary as of the dates and for the periods indicated, comply as to form with the applicable accounting requirements of the Act and have been prepared in conformity with generally accepted accounting principles applied on a consistent basis throughout the periods involved (except as otherwise noted therein). The selected financial data set forth under the caption "Summary Financial Information" in the Final Prospectus and Registration Statement fairly present, on the basis stated in the Final Prospectus and the Registration Statement, the information included therein.

(s) No action, suit or proceeding by or before any court or governmental agency, authority or body or any arbitrator involving the Company or any of its subsidiaries or its or their property is pending or, to the best knowledge of the Company, threatened that (i) could reasonably be expected to have a material adverse effect on the performance of this Agreement or the consummation of any of the transactions contemplated hereby or (ii) could reasonably be expected to have a material adverse effect on the condition (financial or otherwise), prospects, earnings, business or properties of the Company and its subsidiaries, taken as a whole, whether or not arising from transactions in the ordinary course of business, except as set forth in or contemplated in the Final Prospectus (exclusive of any supplement thereto).

(t) Neither the Company nor any of its subsidiaries is in violation or default of (i) any provision of its charter or bylaws, (ii) the terms of any indenture, contract, lease, mortgage, deed of trust, note agreement, loan agreement or other agreement, obligation, condition, covenant or instrument to which it is a party or bound or to which its property is subject, except for such violations or defaults which would not, individually or in the aggregate, have a material adverse effect on the condition (financial or otherwise), prospects, earnings, business or properties of the Company and its subsidiaries, taken as a whole, whether or not arising from transactions in the ordinary course of business, or (iii) any statute, law, rule, regulation, judgment, order or decree of any court, regulatory body, administrative agency, governmental body, arbitrator or other authority having jurisdiction over the Company or such subsidiary or any of its properties, as applicable.

(u) ▇▇▇▇▇▇ ▇▇▇▇▇▇▇▇ LLP, who have certified certain financial statements of the Company and its consolidated subsidiary and delivered their report with respect to the audited consolidated financial statements and schedules included in the Final Prospectus, are independent public accountants with respect to the Company within the meaning of the Act and the applicable published rules and regulations thereunder.

(v) The Company has filed all foreign, federal, state and local tax returns that are required to be filed or has requested extensions thereof (except in any case in which the failure so to file would not have a material adverse effect on the condition (financial or otherwise), prospects, earnings, business or properties of the Company and its subsidiaries, taken as a whole, whether or not arising from transactions in the ordinary course of business, except as set forth in or contemplated in the Final Prospectus (exclusive of any supplement thereto) and has paid all taxes required to be paid by it and any other assessment, fine or penalty levied against it, to the extent that any of the foregoing is due and payable, except for any such assessment, fine or penalty that is currently being contested in good faith or as would not have a material adverse effect on the condition (financial or otherwise), prospects, earnings, business or properties of the Company and its subsidiaries, taken as a whole, whether or not arising from transactions in the ordinary course of business, except as set forth in or contemplated in the Final Prospectus (exclusive of any supplement thereto).

(w) No labor problem or dispute with the employees of the Company exists or is threatened or imminent, and the Company is not aware of any existing or imminent labor disturbance by the employees of any of its principal suppliers, contractors or customers, that could have a material adverse effect on the condition (financial or otherwise), prospects, earnings, business or properties of the Company and its subsidiaries, taken as a whole, whether or not arising from transactions in the ordinary course of business, except as set forth in or contemplated in the Final Prospectus (exclusive of any supplement thereto).

(x) The Company and each of its subsidiaries are insured by insurers of recognized financial responsibility against such losses and risks and in such amounts as are prudent and customary in the businesses in which they are engaged; all policies of insurance and fidelity or surety bonds insuring the Company or any of its subsidiaries or their respective businesses, assets, employees, officers and directors are in full force and effect; the Company and its subsidiaries are in compliance with the terms of such policies and instruments in all material respects; and there are no claims by the Company or any of its subsidiaries under any such policy or instrument as to which any insurance company is denying liability or defending under a reservation of rights clause, except for such claims which, if successfully denied, would not have a material adverse effect on the condition (financial or otherwise), prospects, earnings, business or properties of the Company and its subsidiaries, taken as a whole, whether or not arising from transactions in the ordinary course of business; neither the Company nor any such subsidiary has been refused any insurance coverage sought or applied for; and neither the Company nor any subsidiary has any reason to believe that it will not be able to renew its existing insurance coverage as and when such coverage expires or to obtain similar coverage from similar insurers as may be necessary to continue its business at a cost that would not have a material adverse effect on the condition (financial or otherwise), prospects, earnings, business or properties of the Company and its subsidiaries, taken as a whole, whether or not arising from transactions in the ordinary course of business, except as set forth in or contemplated in the Final Prospectus (exclusive of any supplement thereto).

(y) The Company and its subsidiaries possess all licenses, certificates, permits and other authorizations issued by the appropriate federal, state or foreign regulatory authorities necessary to conduct their respective businesses, and neither the Company nor any subsidiary has received any notice of proceedings relating to the revocation or modification of any such certificate, authorization or permit which, singly or in the aggregate, if the subject of an unfavorable decision, ruling or finding, would have a material adverse effect on the condition (financial or otherwise), prospects, earnings, business or properties of the Company and its subsidiaries, taken as a whole, whether or not arising from transactions in the ordinary course of business, except as set forth in or contemplated in the Final Prospectus (exclusive of any supplement thereto).

(z) The Company and each of its subsidiaries maintains a system of internal accounting controls sufficient to provide reasonable assurance that (i) transactions are executed in accordance with management's general or specific authorizations; (ii) transactions are recorded as necessary to permit preparation of financial statements in conformity with generally accepted accounting principles and to maintain asset accountability; (iii) access to assets is permitted only in accordance with management's general or specific authorization; and (iv) the recorded accountability for assets is compared with the existing assets at reasonable intervals and appropriate action is taken with respect to any differences.

(aa) The Company has not taken, directly or indirectly, any action designed to or which has constituted or which might reasonably be expected to cause or result, under the Exchange Act or otherwise, in stabilization or manipulation of the price of any security of the Company to facilitate the sale or resale of the Senior Notes.

(bb) The Company and its subsidiaries are (i) in compliance with any and all applicable foreign, federal, state and local laws and regulations relating to the protection of human health and safety, the environment or hazardous or toxic substances or wastes, pollutants or contaminants ("Environmental Laws"), (ii) have received and are in compliance with all permits, licenses or other approvals required of them under applicable Environmental Laws to conduct their respective businesses, and (iii) have not received notice of any actual or potential liability for the investigation or remediation of any disposal or release of hazardous or toxic substances or wastes, pollutants or contaminants, except where such non-compliance with Environmental Laws, failure to receive required permits, licenses or other approvals, or liability would not, individually or in the aggregate, have a material adverse effect on the condition (financial or otherwise), prospects, earnings, business or properties of the Company and its subsidiaries, taken as a whole, whether or not arising from transactions in the ordinary course of business, except as set forth in or contemplated in the Final Prospectus (exclusive of any supplement thereto). Except as set forth in the Final Prospectus, the Company has not been named as a "potentially responsible party" under the Comprehensive Environmental Response, Compensation, and Liability Act of 1980, as amended, except in such instances which would not, individually or in the aggregate, have a material adverse effect on the condition (financial or otherwise), prospects, earnings, business or properties of the Company and its subsidiaries, taken as a whole.

(cc) In the ordinary course of its business, the Company periodically reviews the effect of Environmental Laws on the business, operations and properties of the Company and its subsidiaries, in the course of which it identifies and evaluates associated costs and liabilities (including, without limitation, any capital or operating expenditures required for clean-up, closure of properties or compliance with Environmental Laws, or any permit, license or approval, any related constraints on operating activities and any potential liabilities to third parties). On the basis of such review, the Company has reasonably concluded that such associated costs and liabilities would not, singly or in the aggregate, have a material adverse effect on the condition (financial or otherwise), prospects, earnings, business or properties of the Company and its subsidiaries, taken as a whole, whether or not arising from transactions in the ordinary course of business, except as set forth in or contemplated in the Final Prospectus (exclusive of any supplement thereto).

(dd) Each of the Company and its subsidiaries has fulfilled its obligations, if any, under the minimum funding standards of ▇▇▇▇▇▇▇ ▇▇▇ ▇▇ ▇▇▇ ▇▇▇▇▇▇ ▇▇▇▇▇▇ Employee Retirement Income Security Act of 1974 ("ERISA") and the regulations and published interpretations thereunder with respect to each "plan" (as defined in Section 3(3) of ERISA and such regulations and published interpretations) in which employees of the Company and its subsidiaries are eligible to participate, and each such plan is in compliance in all material respects with the presently applicable provisions of ERISA and such regulations and published interpretations. The Company and its subsidiaries have not incurred any unpaid liability to the Pension Benefit Guaranty Corporation (other than for the payment of premiums in the ordinary course) or to any such plan under Title IV of ERISA.

Any certificate signed by any officer of the Company and delivered to the Representatives or counsel for the Underwriters in connection with the offering of the Senior Notes shall be deemed a representation and warranty by the Company, as to matters covered thereby, to each Underwriter.

2. Purchase and Sale. Subject to the terms and conditions and in reliance upon the representations and warranties herein set forth, the Company agrees to sell to each Underwriter, and each Underwriter agrees, severally and not jointly, to purchase from the Company, at the purchase price set forth in Schedule I hereto the principal amount of the Senior Notes set forth opposite such Underwriter's name in Schedule II hereto.

3. Delivery and Payment. Delivery of and payment for the Senior Notes shall be made on the date and at the time specified in Schedule I hereto or at such time on such later date not more than three Business Days after the foregoing date as the Representatives shall designate, which date and time may be postponed by agreement between the Representatives and the Company or as provided in Section 9 hereof (such date and time of delivery and payment for the Senior Notes being herein called the "Closing Date"). Delivery of the Senior Notes shall be made to the Representatives for the respective accounts of the several Underwriters against payment by the several Underwriters through the Representatives of the purchase price thereof to or upon the order of the Company by wire transfer payable in same-day funds to an account specified by the Company. Delivery of the Senior Notes shall be made through the facilities of The Depository Trust Company.

4. Offering by Underwriters. It is understood that the several Underwriters propose to offer the Senior Notes for sale to the public as set forth in the Final Prospectus.

5. Agreements. The Company agrees with the several Underwriters that:

(a) The Company will use its best efforts to cause the Registration Statement, if not effective at the Execution Time, and any amendment thereof, to become effective. Prior to the termination of the offering of the Senior Notes, the Company will not file any amendment of the Registration Statement or supplement (including the Final Prospectus or any Preliminary Prospectus) to the Basic Prospectus or any Rule 462(b) Registration Statement unless the Company has furnished you a copy for your review prior to filing and will not file any such proposed amendment or supplement to which you reasonably object. Subject to the foregoing sentence, if the Registration Statement has become or becomes effective pursuant to Rule 430A, or filing of the Final Prospectus is otherwise required under Rule 424(b), the Company will cause the Final Prospectus, properly completed, and any supplement thereto to be filed with the Commission pursuant to the applicable paragraph of Rule 424(b) within the time period prescribed and will provide evidence satisfactory to the Representatives of such timely filing. The Company will promptly advise the Representatives (1) when the Registration Statement, if not effective at the Execution Time, shall have become effective, (2) when the Final Prospectus, and any supplement thereto, shall have been filed (if required) with the Commission pursuant to Rule 424(b) or when any Rule 462(b) Registration Statement shall have been filed with the Commission, (3) when, prior to termination of the offering of the Senior Notes, any amendment to the Registration Statement shall have been filed or become effective, (4) of any request by the Commission or its staff for any amendment of the Registration Statement, or any Rule 462(b) Registration Statement, or for any supplement to the Final Prospectus or for any additional information, (5) of the issuance by the Commission of any stop order suspending the effectiveness of the Registration Statement or the institution or threatening of any proceeding for that purpose and (6) of the receipt by the Company of any notification with respect to the suspension of the qualification of the Senior Notes for sale in any jurisdiction or the institution or threatening of any proceeding for such purpose. The Company will use its best efforts to prevent the issuance of any such stop order or the suspension of any such qualification and, if issued, to obtain as soon as possible the withdrawal thereof.

(b) If, at any time when a prospectus relating to the Senior Notes is required to be delivered under the Act, any event occurs as a result of which the Final Prospectus as then supplemented would include any untrue statement of a material fact or omit to state any material fact necessary to make the statements therein in the light of the circumstances under which they were made not misleading, or if it shall be necessary to amend the Registration Statement or supplement the Final Prospectus to comply with the Act or the Exchange Act or the respective rules thereunder, the Company promptly will (1) notify the Representatives of such event, (2) prepare and file with the Commission, subject to the second sentence of paragraph (a) of this Section 5, an amendment or supplement which will correct such statement or omission or effect such compliance, and (3) supply any supplemented Final Prospectus to you in such quantities as you may reasonably request.

(c) As soon as practicable, the Company will make generally available to its security holders and to the Representatives an earnings statement or statements of the Company and its subsidiaries which will satisfy the provisions of Section 11(a) of the Act and Rule 158 under the Act.

(d) The Company will furnish to the Representatives and counsel for the Underwriters, without charge, copies of the Registration Statement (including exhibits thereto) and to each other Underwriter a copy of the Registration Statement (without exhibits thereto) and, so long as delivery of a prospectus by an Underwriter or dealer may be required by the Act, as many copies of each Preliminary Prospectus and the Final Prospectus and any supplement thereto as the Representatives may reasonably request. The Company will pay the expenses of printing or other production of all documents relating to the offering.

(e) The Company will arrange, if necessary, for the qualification of the Senior Notes for sale under the laws of such jurisdictions as the Representatives may designate and will maintain such qualifications in effect so long as required for the distribution of the Senior Notes; provided that in no event shall the Company be obligated to qualify to do business in any jurisdiction where it is not now so qualified or to take any action that would subject it to service of process in suits, other than those arising out of the offering or sale of the Senior Notes, in any jurisdiction where it is not now so subject.

(f) Until the Business Day set forth on Schedule I hereto, the Company will not, without the prior written consent of the Representatives, offer, sell or contract to sell, or otherwise dispose of (or enter into any transaction which is designed to, or might reasonably be expected to, result in the disposition (whether by actual disposition or effective economic disposition due to cash settlement or otherwise) by the Company or any affiliate of the Company or any person in privity with the Company or any affiliate of the Company) directly or indirectly, or announce the offering of, any debt securities issued or guaranteed by the Company (other than the Senior Notes, commercial paper or other short-term debt).

(g) The Company will not take, directly or indirectly, any action designed to or which has constituted or which might reasonably be expected to cause or result, under the Exchange Act or otherwise, in stabilization or manipulation of the price of any security of the Company to facilitate the sale or resale of the Senior Notes.

(h) The Company will issue and deliver the Collateral Bonds to the Senior Trustee as security for the Senior Notes in the manner described in the Final Prospectus.

6. Conditions to the Obligations of the Underwriters. The obligations of the Underwriters to purchase the Senior Notes shall be subject to the accuracy of the representations and warranties on the part of the Company contained herein as of the Execution Time and the Closing Date, to the accuracy of the statements of the Company made in any certificates pursuant to the provisions hereof, to the performance by the Company of its obligations hereunder and to the following additional conditions:

(a) If the Registration Statement has not become effective prior to the Execution Time, unless the Representatives agree in writing to a later time, the Registration Statement will become effective not later than (i) 6:00 PM New York City time, on the date of determination of the public offering price, if such determination occurred at or prior to 3:00 PM New York City time on such date, or (ii) 9:30 AM on the Business Day following the day on which the public offering price was determined, if such determination occurred after 3:00 PM New York City time on such date; if filing of the Final Prospectus, or any supplement thereto, is required pursuant to Rule 424(b), the Final Prospectus, and any such supplement, will be filed in the manner and within the time period required by Rule 424(b); and no stop order suspending the effectiveness of the Registration Statement shall have been issued and no proceedings for that purpose shall have been instituted or threatened.

(b) The Company shall have requested and caused ▇▇▇▇▇ & ▇▇▇▇▇▇▇, counsel for the Company, to have furnished to the Representatives their opinion, dated the Closing Date and addressed to the Representatives, to the effect that:

(i) The Company has been duly incorporated and is validly existing as a corporation under the laws of the State of Wisconsin, with full corporate power and authority to own or lease, as the case may be, and to operate its properties and conduct its business as described in the Final Prospectus, and is duly qualified to do business as a foreign corporation and is in good standing under the laws of Michigan; the Company is a "public utility company," as such term is defined under the Public Utility Holding Company Act.

(ii) All of the Company's issued and outstanding shares of common stock are owned of record by WPSR; the Company's authorized preferred stock is as set forth in the Final Prospectus; to the knowledge of such counsel, except as set forth in the Final Prospectus, no options, warrants or other rights to purchase, agreements or other obligations to issue, or rights to convert any obligations into or exchange any securities for, shares of capital stock of or ownership interests in the Company are outstanding.

(iii) To the knowledge of such counsel, there is no pending or threatened action, suit or proceeding by or before any court or governmental agency, authority or body or any arbitrator involving the Company or any of its subsidiaries or its or their property, of a character required to be disclosed in the Registration Statement which is not adequately disclosed in the Final Prospectus, and there is no franchise, contract or other document of a character required to be described in the Registration Statement or Final Prospectus, or to be filed as an exhibit thereto, which is not described or filed as required.

(iv) The Registration Statement has become effective under the Act; any required filing of the Basic Prospectus, any Preliminary Prospectus and the Final Prospectus, and any supplements thereto, pursuant to Rule 424(b) has been made in the manner and within the time period required by Rule 424(b); to the knowledge of such counsel, no stop order suspending the effectiveness of the Registration Statement has been issued, no proceedings for that purpose have been instituted or threatened, and the Registration Statement and the Final Prospectus (other than the financial statements and other financial information contained therein, as to which such counsel need express no opinion) comply as to form in all material respects with the applicable requirements of the Act, the Exchange Act and the Trust Indenture Act and the respective rules thereunder; and such counsel has no reason to believe that on the Effective Date or at the Execution Time the Registration Statement contained any untrue statement of a material fact or omitted to state any material fact required to be stated therein or necessary to make the statements therein not misleading or that the Final Prospectus as of its date and on the Closing Date included or includes any untrue statement of a material fact or omitted or omits to state a material fact necessary to make the statements therein, in the light of the circumstances under which they were made, not misleading (in each case, other than the financial statements and other financial information contained therein, as to which such counsel need express no opinion).

(v) This Agreement has been duly authorized, executed and delivered by the Company.

(vi) The Senior Indenture has been duly authorized, executed and delivered by the Company and constitutes a valid and binding instrument enforceable against the Company in accordance with its terms, subject, as to enforcement of remedies, to the Bankruptcy Exceptions; the Senior Indenture has been duly qualified under the Trust Indenture Act; the Senior Indenture conforms in all material respects to the description thereof contained in the Final Prospectus.

(vii) The Senior Notes have been duly authorized by the Company, and when executed and authenticated in accordance with the provisions of the Senior Indenture and delivered and paid for by the Underwriters pursuant to this Agreement, will constitute valid and legally binding obligations of the Company entitled to the benefits and security provided by the Senior Indenture and enforceable against the Company in accordance with their terms, subject, as to enforcement of remedies, to the Bankruptcy Exceptions; the Senior Notes conform in all material respects to the description thereof contained in the Final Prospectus.

(viii) The Mortgage Indenture has been duly authorized, executed and delivered by the Company and constitutes a valid and binding instrument, enforceable against the Company in accordance with its terms, except as the same may be limited by the laws of the States of Wisconsin and Michigan affecting the remedies for the enforcement of the security provided for therein (which laws do not in such counsel's opinion make such remedies inadequate for the realization of the benefits of such security) and by the Bankruptcy Exceptions; the Mortgage Indenture conforms in all material respects to the description thereof contained in the Final Prospectus.

(ix) The Collateral Bonds have been duly authorized by the Company and, when executed and authenticated in accordance with the provisions of the Mortgage Indenture, and issued, pledged and delivered to the Senior Trustee pursuant to the Senior Indenture as security for the Senior Notes, will constitute valid and legally binding obligations of the Company, secured by the lien of, and entitled to the benefits provided by, the Mortgage Indenture, equally and ratably with all other bonds of the Company duly issued and outstanding under the Mortgage Indenture, and will be enforceable against the Company in accordance with their terms, except as the same may be limited by the laws of the States of Wisconsin and Michigan affecting the remedies for the enforcement of the security provided for therein (which laws do not in such counsel's opinion make such remedies inadequate for the realization of the benefits of such security) and by the Bankruptcy Exceptions; the Collateral Bonds conform in all material respects to the description thereof contained in the Final Prospectus.

(x) The Company has good and marketable title to the real and fixed properties described in the Mortgage Indenture (other than properties disposed of and released thereunder and lands described as held only under flowage rights) free and clear of all liens, charges and encumbrances against the same prior to or on a parity with the lien of the Mortgage Indenture, except for and subject only to permissible encumbrances as defined in the Mortgage Indenture and to such exceptions, defects and qualifications as in such counsel's opinion do not materially affect the security for the Collateral Bonds or the Company's title to or its right to use such properties in the conduct of its business; the Mortgage Indenture constitutes a valid and direct first lien upon all real and fixed property and governmental licenses and permits owned by the Company (including its interests as tenant-in-common), except property specifically excepted from the Mortgage Indenture by the terms thereof, subject to no liens or encumbrances prior to or on a parity with the lien of the Mortgage Indenture, except permissible encumbrances as defined in the Mortgage Indenture; and the description in the Mortgage Indenture of said property is adequate to constitute the Mortgage Indenture a lien thereon. No examination of title covering rights-of-way for transmission and distribution lines has been made inasmuch as the Company has been advised that the expense incident to the obtaining of abstracts or certificates of title and of examinations in respect thereto would be in excess of the cost of reacquiring by condemnation or purchase, possession and use of such parts of such rights-of-way as might be held under defective titles, and accordingly, such opinion does not cover such rights-of-way. Such counsel has relied on certificates of officers of the Company to the effect that certain parcels described in the Mortgage Indenture are rights-of-way and that certain parcels are not required as an integral part of the Company's properties or are not indispensable to its operations. All real property hereafter acquired by the Company and located in counties in which the Mortgage Indenture shall be of record will, upon acquisition, become subject to the lien of the Mortgage Indenture, subject, however, to permitted encumbrances and liens (as defined in the Mortgage Indenture), any liens existing or placed thereon at acquisition and any liens which might intervene prior to the filing or recording of the instrument containing a sufficient legal description confirming of record that such property is subject to the lien of the Mortgage Indenture, except as the existence or validity of the lien of the Mortgage Indenture may be affected by the application of Sections 547 and/or 552 of the U.S. Bankruptcy Code or by analogous provisions of applicable state insolvency laws.

(xi) The Mortgage Indenture has been duly recorded or filed for record in each county in the States of Wisconsin and Michigan where any real properties described in such instrument are located and in all other places required by law in order to perfect the lien upon the property described in the Mortgage Indenture.

(xii) The Company has statutory authority, franchises, and consents free from burdensome restrictions and adequate for the conduct of the business in which it is engaged as described in the Final Prospectus, except to the extent that the absence of such statutory authority or the failure to obtain such franchises or consents would not, singly or in the aggregate, (A) affect the security for the Collateral Bonds, or (B) have a material adverse effect on the condition (financial or otherwise), prospects, earnings, business or properties of the Company, whether or not arising from transactions in the ordinary course of business, except as set forth or contemplated in the Final Prospectus.

(xiii) The issuance and delivery by the Company of the Collateral Bonds to the Trustee constitute a sale by the Company of the Collateral Bonds to the Trustee as of the Closing Date or, if not a sale, the grant by the Company to the Trustee of a perfected security interest in the Collateral Bonds for the benefit of the holders of the Senior Notes.

(xiv) The Company is not and, after giving effect to the offering and sale of the Senior Notes and the application of the proceeds thereof as described in the Final Prospectus, will not be an "investment company" as defined in the Investment Company Act of 1940, as amended.

(xv) The Public Service Commission of Wisconsin has duly authorized the issuance and sale by the Company of the Senior Notes and the issuance and pledge of the Collateral Bonds on the terms set forth in the Final Prospectus and this Agreement, and such authorization is, to the best knowledge of such counsel, in force and effect and sufficient for the issuance and sale of the Senior Notes to the Underwriters and the issuance and pledge of the Collateral Bonds to the Senior Trustee. No consent, approval, authorization, filing with or order of any court or other governmental agency or body is required in connection with the transactions contemplated herein, except such as have been obtained under the Act and the Trust Indenture Act and such as may be required under the blue sky laws of any jurisdiction in connection with the purchase and distribution of the Senior Notes by the Underwriters in the manner contemplated herein and in the Final Prospectus.

(xvi) The execution and delivery of the Senior Indenture or the Supplemental Indenture to the Mortgage Indenture, the issuance and sale of the Senior Notes, the issuance and pledge of the Collateral Bonds, the consummation of any other of the transactions herein contemplated or the fulfillment of the terms hereof will not conflict with, result in a breach or violation of or imposition of any lien, charge or encumbrance upon any property or assets of the Company pursuant to, (i) the charter or by-laws of the Company, (ii) the terms of any indenture, contract, lease, mortgage, deed of trust, note agreement, loan agreement or other agreement, obligation, condition, covenant or instrument (other than the lien of the Mortgage Indenture) known to such counsel to which the Company is a party or bound or to which its property is subject, (iii) any statute, law, rule, or regulation applicable to the Company, or (iv) any judgment, order or decree known to such counsel and applicable to the Company of any court, regulatory body, administrative agency, governmental body, arbitrator or other authority having jurisdiction over the Company or any of its properties.

(xvii) To the knowledge of such counsel, no holders of securities of the Company have rights to the registration of such securities under the Registration Statement.

In rendering such opinion, such counsel (A) may rely as to matters involving the application of laws of any jurisdiction other than the State of Wisconsin or the Federal laws of the United States, to the extent they deem proper and specified in such opinion, upon the opinion of other counsel of good standing whom they believe to be reliable and who are satisfactory to counsel for the Underwriters, (B) may assume, as to matters of New York law relating to this Agreement, that New York law does not differ from Wisconsin law in any material respect, and (C) may rely, as to matters of fact, to the extent they deem proper, on certificates of responsible officers of the Company and public officials. References to the Final Prospectus in this paragraph (b) include any supplements thereto at the Closing Date.

(c) The Representatives shall have received from ▇▇▇▇▇▇ ▇▇▇▇▇▇ & ▇▇▇▇▇, counsel for the Underwriters, such opinion or opinions, dated the Closing Date and addressed to the Representatives, with respect to the issuance and sale of the Senior Notes, the issuance and pledge of the Collateral Bonds, the Senior Indenture, the Mortgage Indenture, the Registration Statement, the Final Prospectus (together with any supplement thereto) and other related matters as the Representatives may reasonably require, and the Company shall have furnished to such counsel such documents as they request for the purpose of enabling them to pass upon such matters.

(d) The Company shall have furnished to the Representatives a certificate of the Company, signed by the Chairman of the Board or the President and the principal financial or accounting officer of the Company, dated the Closing Date, to the effect that the signers of such certificate have carefully examined the Registration Statement, the Final Prospectus, any supplements to the Final Prospectus and this Agreement and that:

(i) the representations and warranties of the Company in this Agreement are true and correct in all material respects on and as of the Closing Date with the same effect as if made on the Closing Date and the Company has complied with all the agreements and satisfied all the conditions on its part to be performed or satisfied at or prior to the Closing Date;

(ii) no stop order suspending the effectiveness of the Registration Statement has been issued and no proceedings for that purpose have been instituted or, to the Company's knowledge, threatened; and

(iii) since the date of the most recent financial statements included or incorporated by reference in the Final Prospectus (exclusive of any supplement thereto), there has been no material adverse effect on the condition (financial or otherwise), prospects, earnings, business or properties of the Company, whether or not arising from transactions in the ordinary course of business, except as set forth in or contemplated in the Final Prospectus (exclusive of any supplement thereto).

(e) The Company shall have requested and caused ▇▇▇▇▇▇ ▇▇▇▇▇▇▇▇ LLP to have furnished to the Representatives, at the Execution Time and at the Closing Date, letters, (which may refer to letters previously delivered to one or more of the Representatives), dated respectively as of the Execution Time and as of the Closing Date, in form and substance satisfactory to the Representatives, confirming that they are independent accountants within the meaning of the Act and the Exchange Act and the respective applicable published rules and regulations thereunder and stating in effect, except as provided in Schedule I hereto, that:

(i) in their opinion the audited financial statements and financial statement schedules included or incorporated by reference in the Registration Statement and the Final Prospectus and reported on by them comply as to form in all material respects with the applicable accounting requirements of the Act and the Exchange Act and the related published rules and regulations;

(ii) on the basis of a reading of the latest unaudited financial statements made available by the Company and its subsidiaries; carrying out certain specified procedures (but not an examination in accordance with generally accepted auditing standards) which would not necessarily reveal matters of significance with respect to the comments set forth in such letter; a reading of the minutes of the meetings of the stockholders and directors of the Company; and inquiries of certain officials of the Company who have responsibility for financial and accounting matters of the Company and its subsidiaries as to transactions and events subsequent to December 31, 2000, nothing came to their attention which caused them to believe that:

(1) any unaudited financial statements included or incorporated by reference in the Registration Statement and the Final Prospectus do not comply as to form in all material respects with applicable accounting requirements of the Act and with the published rules and regulations of the Commission with respect to financial statements included or incorporated by reference in quarterly reports on Form 10-Q under the Exchange Act; and said unaudited financial statements are not in conformity with generally accepted accounting principles applied on a basis substantially consistent with that of the audited financial statements included or incorporated by reference in the Registration Statement and the Final Prospectus;

(2) with respect to the period subsequent to June 30, 2001, there were any changes, at a specified date not more than five days prior to the date of the letter, in the consolidated long-term debt of the Company or capital stock of the Company or decreases in consolidated net assets or stockholders' equity of the Company as compared with the amounts shown on the June 30, 2001 consolidated balance sheet included or incorporated by reference in the Registration Statement and the Final Prospectus, or for the period from July 1, 2001 to such specified date there were any decreases, as compared with the corresponding period in the preceding year, in consolidated operating revenues or in income before extraordinary items or net income of the Company, except in all instances for changes or decreases set forth in such letter, in which case the letter shall be accompanied by an explanation by the Company as to the significance thereof unless said explanation is not deemed necessary by the Representatives; or

(3) the information included or incorporated by reference in the Registration Statement and Final Prospectus in response to Regulation S-K, Item 301 (Selected Financial Data) and Item 503(d) (Ratio of Earnings to Fixed Charges) is not in conformity with the applicable disclosure requirements of Regulation S-K; and

(iii) they have performed certain other specified procedures as a result of which they determined that certain information of an accounting, financial or statistical nature (which is limited to accounting, financial or statistical information derived from the general accounting records of the Company and its subsidiaries) set forth in the Registration Statement and the Final Prospectus and in Exhibit 12 to the Registration Statement, including the information set forth under the captions "Summary Financial Information" and "Ratios of Earnings to Fixed Charges " in the Final Prospectus, the information included or incorporated by reference in Items 1, 2, 6, and 7 of the Company's Annual Report on Form 10-K, incorporated by reference in the Registration Statement and the Final Prospectus, and the information included in the "Management's Discussion and Analysis of Financial Condition and Results of Operations" included or incorporated by reference in the Company's Quarterly Reports on Form 10-Q, incorporated by reference in the Registration Statement and the Final Prospectus, agrees with the accounting records of the Company and its subsidiaries, excluding any questions of legal interpretation.

References to the Final Prospectus in this paragraph (e) include any supplement thereto at the date of the letter.

(f) Subsequent to the Execution Time or, if earlier, the dates as of which information is given in the Registration Statement (exclusive of any amendment thereof) and the Final Prospectus (exclusive of any supplement thereto), there shall not have been (i) any change or decrease specified in the letter or letters referred to in paragraph (e) of this Section 6 or (ii) any change, or any development involving a prospective change, in or affecting the condition (financial or otherwise), earnings, business or properties of the Company and its subsidiaries, taken as a whole, whether or not arising from transactions in the ordinary course of business, except as set forth in or contemplated in the Final Prospectus (exclusive of any supplement thereto) the effect of which, in any case referred to in clause (i) or (ii) above, is so material and adverse as to make it impractical or inadvisable to proceed with the offering or delivery of the Senior Notes as contemplated by the Registration Statement (exclusive of any amendment thereof) and the Final Prospectus (exclusive of any supplement thereto).

(g) Subsequent to the Execution Time, there shall not have been any decrease in the rating of any of the Company's debt securities (including the Senior Notes) by any "nationally recognized statistical rating organization" (as defined for purposes of Rule 436(g) under the Act) or any notice given of any intended or potential decrease in any such rating or of a possible change in any such rating that does not indicate the direction of the possible change.

(h) Prior to the Closing Date, the Company shall have furnished to the Representatives such further information, certificates and documents as the Representatives may reasonably request.

If any of the conditions specified in this Section 6 shall not have been fulfilled in all material respects when and as provided in this Agreement, or if any of the opinions and certificates mentioned above or elsewhere in this Agreement shall not be in all material respects reasonably satisfactory in form and substance to the Representatives and counsel for the Underwriters, this Agreement and all obligations of the Underwriters hereunder may be canceled at, or at any time prior to, the Closing Date by the Representatives. Notice of such cancellation shall be given to the Company in writing or by telephone or facsimile confirmed in writing.

The documents required to be delivered by this Section 6 shall be delivered at the office of ▇▇▇▇▇ & ▇▇▇▇▇▇▇, counsel for the Company, at ▇▇▇ ▇▇▇▇ ▇▇▇▇▇▇▇▇▇ ▇▇▇▇▇▇, ▇▇▇▇▇▇▇▇▇, ▇▇▇▇▇▇▇▇▇ ▇▇▇▇▇, on the Closing Date, or at such other place as may be agreed upon by the Company and the Underwriters.

7. Reimbursement of Underwriters' Expenses. If the sale of the Senior Notes provided for herein is not consummated because any condition to the obligations of the Underwriters set forth in Section 6 hereof is not satisfied, because of any termination pursuant to Section 10 hereof or because of any refusal, inability or failure on the part of the Company to perform any agreement herein or comply with any provision hereof other than by reason of a default by any of the Underwriters, the Company will reimburse the Underwriters severally through the Representatives on demand for all out-of-pocket expenses (including reasonable fees and disbursements of counsel) that shall have been incurred by them in connection with the proposed purchase and sale of the Senior Notes.

8. Indemnification and Contribution. (a) The Company agrees to indemnify and hold harmless each Underwriter, the directors, officers, employees and agents of each Underwriter and each person who controls any Underwriter within the meaning of either the Act or the Exchange Act against any and all losses, claims, damages or liabilities, joint or several, to which they or any of them may become subject under the Act, the Exchange Act or other Federal or state statutory law or regulation, at common law or otherwise, insofar as such losses, claims, damages or liabilities (or actions in respect thereof) arise out of or are based upon any untrue statement or alleged untrue statement of a material fact contained in the registration statement for the registration of the Senior Notes as originally filed or in any amendment thereof, or in the Basic Prospectus, any Preliminary Prospectus or the Final Prospectus, or in any amendment thereof or supplement thereto, or arise out of or are based upon 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, and agrees to reimburse each such indemnified party, as incurred, 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 Company will not be liable in any such case to the extent that any such loss, claim, damage or liability arises out of or is based upon any such untrue statement or alleged untrue statement or omission or alleged omission made therein in reliance upon and in conformity with written information furnished to the Company by or on behalf of any Underwriter through the Representatives specifically for inclusion therein. This indemnity agreement will be in addition to any liability which the Company may otherwise have.

(b) Each Underwriter severally and not jointly agrees to indemnify and hold harmless the Company, each of its directors, each of its officers who signs the Registration Statement, and each person who controls the Company within the meaning of either the Act or the Exchange Act, to the same extent as the foregoing indemnity from the Company to each Underwriter, but only with reference to written information relating to such Underwriter furnished to the Company by or on behalf of such Underwriter through the Representatives specifically for inclusion in the documents referred to in the foregoing indemnity. This indemnity agreement will be in addition to any liability which any Underwriter may otherwise have.

(c) Promptly after receipt by an indemnified party under this Section 8 of notice of the commencement of any action, such indemnified party will, if a claim in respect thereof is to be made against the indemnifying party under this Section 8, notify the indemnifying party in writing of the commencement thereof; but the failure so to notify the indemnifying party (i) will not relieve it from liability under paragraph (a) or (b) above unless and to the extent it did not otherwise learn of such action and such failure results in the forfeiture by the indemnifying party of substantial rights and defenses and (ii) will not, in any event, relieve the indemnifying party from any obligations to any indemnified party other than the indemnification obligation provided in paragraph (a) or (b) above. The indemnifying party shall be entitled to appoint counsel of the indemnifying party's choice at the indemnifying party's expense to represent the indemnified party in any action for which indemnification is sought (in which case the indemnifying party shall not thereafter be responsible for the fees and expenses of any separate counsel retained by the indemnified party or parties except as set forth below); provided, however, that such counsel shall be satisfactory to the indemnified party. Notwithstanding the indemnifying party's election to appoint counsel to represent the indemnified party in an action, the indemnified party shall have the right to employ separate counsel (including local counsel), and the indemnifying party shall bear the reasonable fees, costs and expenses of such separate counsel if (i) the use of counsel chosen by the indemnifying party to represent the indemnified party would present such counsel with a conflict of interest, (ii) the actual or potential defendants in, or targets of, any such action include both the indemnified party and the indemnifying party and the indemnified party shall have reasonably concluded that there may be legal defenses available to it and/or other indemnified parties which are different from or additional to those available to the indemnifying party, (iii) the indemnifying party shall not have employed counsel satisfactory to the indemnified party to represent the indemnified party within a reasonable time after notice of the institution of such action, or (iv) the indemnifying party shall authorize the indemnified party to employ separate counsel at the expense of the indemnifying party. An indemnifying party will not, without the prior written consent of the indemnified parties, settle or compromise or consent to the entry of any judgment with respect to any pending or threatened claim, action, suit or proceeding in respect of which indemnification or contribution may be sought hereunder (whether or not the indemnified parties are actual or potential parties to such claim or action) unless such settlement, compromise or consent includes an unconditional release of each indemnified party from all liability arising out of such claim, action, suit or proceeding.

(d) In the event that the indemnity provided in paragraph (a) or (b) of this Section 8 is unavailable to or insufficient to hold harmless an indemnified party for any reason, the Company and the Underwriters severally agree to contribute to the aggregate losses, claims, damages and liabilities (including legal or other expenses reasonably incurred in connection with investigating or defending same) (collectively "Losses") to which the Company and one or more of the Underwriters may be subject in such proportion as is appropriate to reflect the relative benefits received by the Company on the one hand and by the Underwriters on the other from the offering of the Senior Notes; provided, however, that in no case shall any Underwriter (except as may be provided in any agreement among underwriters relating to the offering of the Senior Notes) be responsible for any amount in excess of the underwriting discount or commission applicable to the Senior Notes purchased by such Underwriter hereunder. If the allocation provided by the immediately preceding sentence is unavailable for any reason, the Company and the Underwriters severally shall contribute in such proportion as is appropriate to reflect not only such relative benefits but also the relative fault of the Company on the one hand and of the Underwriters on the other in connection with the statements or omissions which resulted in such Losses as well as any other relevant equitable considerations. Benefits received by the Company shall be deemed to be equal to the total net proceeds from the offering (before deducting expenses) received by it, and benefits received by the Underwriters shall be deemed to be equal to the total underwriting discounts and commissions, in each case as set forth on the cover page of the Final Prospectus. Relative fault shall be determined by reference to, among other things, whether any untrue or any alleged untrue statement of a material fact or the omission or alleged omission to state a material fact relates to information provided by the Company on the one hand or the Underwriters on the other, the intent of the parties and their relative knowledge, access to information and opportunity to correct or prevent such untrue statement or omission. The Company and the Underwriters agree that it would not be just and equitable if contribution were determined by pro rata allocation or any other method of allocation which does not take account of the equitable considerations referred to above. Notwithstanding the provisions of this paragraph (d), no person guilty of fraudulent misrepresentation (within the meaning of Section 11(f) of the Act) shall be entitled to contribution from any person who was not guilty of such fraudulent misrepresentation. For purposes of this Section 8, each person who controls an Underwriter within the meaning of either the Act or the Exchange Act and each director, officer, employee and agent of an Underwriter shall have the same rights to contribution as such Underwriter, and each person who controls the Company within the meaning of either the Act or the Exchange Act, each officer of the Company who shall have signed the Registration Statement and each director of the Company shall have the same rights to contribution as the Company, subject in each case to the applicable terms and conditions of this paragraph (d).

9. Default by an Underwriter. If any one or more Underwriters shall fail to purchase and pay for any of the Senior Notes agreed to be purchased by such Underwriter or Underwriters hereunder and such failure to purchase shall constitute a default in the performance of its or their obligations under this Agreement, the remaining Underwriters shall be obligated severally to take up and pay for (in the respective proportions which the principal amount of Senior Notes set forth opposite their names in Schedule II hereto bears to the aggregate principal amount of Senior Notes set forth opposite the names of all the remaining Underwriters) the Senior Notes which the defaulting Underwriter or Underwriters agreed but failed to purchase; provided, however, that in the event that the aggregate principal amount of Senior Notes which the defaulting Underwriter or Underwriters agreed but failed to purchase shall exceed 10% of the aggregate principal amount of Senior Notes set forth in Schedule II hereto, the remaining Underwriters shall have the right to purchase all, but shall not be under any obligation to purchase any, of the Senior Notes, and if such nondefaulting Underwriters do not purchase all the Senior Notes, this Agreement will terminate without liability to any nondefaulting Underwriter or the Company. In the event of a default by any Underwriter as set forth in this Section 9, the Closing Date shall be postponed for such period, not exceeding five Business Days, as the Representatives shall determine in order that the required changes in the Registration Statement and the Final Prospectus or in any other documents or arrangements may be effected. Nothing contained in this Agreement shall relieve any defaulting Underwriter of its liability, if any, to the Company and any nondefaulting Underwriter for damages occasioned by its default hereunder.

10. Termination. This Agreement shall be subject to termination in the absolute discretion of the Representatives, by notice given to the Company prior to delivery of and payment for the Senior Notes, if at any time prior to such time (i) trading in WPSR's common stock shall have been suspended by the Commission or the New York Stock Exchange or trading in securities generally on the New York Stock Exchange shall have been suspended or limited or minimum prices shall have been established on such Exchange, (ii) a banking moratorium shall have been declared either by Federal, New York State or Wisconsin authorities or (iii) there shall have occurred any outbreak or escalation of hostilities, declaration by the United States of a national emergency or war, or other calamity or crisis the effect of which on financial markets is such as to make it, in the sole judgment of the Representatives, impractical or inadvisable to proceed with the offering or delivery of the Senior Notes as contemplated by the Final Prospectus (exclusive of any supplement thereto).

11. Representations and Indemnities to Survive. The respective agreements, representations, warranties, indemnities and other statements of the Company or its officers and of the Underwriters set forth in or made pursuant to this Agreement will remain in full force and effect, regardless of any investigation made by or on behalf of any Underwriter or the Company or any of the officers, directors or controlling persons referred to in Section 8 hereof, and will survive delivery of and payment for the Senior Notes. The provisions of Sections 7 and 8 hereof shall survive the termination or cancellation of this Agreement.

12. Notices. All communications hereunder will be in writing and effective only on receipt, and, if sent to the Representatives, will be mailed or delivered to ▇. ▇. ▇▇▇▇▇▇▇ & Sons, Inc., ▇▇▇ ▇▇▇▇▇ ▇▇▇▇▇▇▇▇▇ ▇▇▇▇▇▇, ▇▇. ▇▇▇▇▇, ▇▇▇▇▇▇▇▇ ▇▇▇▇▇, Attention: ▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇ or telefaxed to ▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇, ▇. ▇. ▇▇▇▇▇▇▇ & Sons, Inc.(fax no.: (▇▇▇)▇▇▇-▇▇▇▇) and confirmed to the address indicated above; or, if sent to the Company, will be mailed or delivered to Wisconsin Public Service Corporation, ▇▇▇ ▇▇▇▇▇ ▇▇▇▇▇ ▇▇▇▇▇▇, ▇.▇. ▇▇▇ ▇▇▇▇▇, ▇▇▇▇▇ ▇▇▇, ▇▇▇▇▇▇▇▇▇, ▇▇▇▇▇, Attention: ▇▇▇▇▇ ▇. ▇▇▇▇▇▇ or telefaxed to ▇▇▇▇▇ ▇. ▇▇▇▇▇▇, Wisconsin Public Service Corporation (fax no.: (▇▇▇) ▇▇▇-▇▇▇▇) and confirmed to the address indicated above.

13. Successors. This Agreement will inure to the benefit of and be binding upon the parties hereto and their respective successors and the officers and directors and controlling persons referred to in Section 8 hereof, and no other person will have any right or obligation hereunder.

14. Applicable Law. This Agreement will be governed by and construed in accordance with the laws of the State of New York applicable to contracts made and to be performed within the State of New York.

15. Counterparts. This Agreement may be signed in one or more counterparts, each of which shall constitute an original and all of which together shall constitute one and the same agreement.

16. Headings. The section headings used herein are for convenience only and shall not affect the construction hereof.

17. Definitions. The terms which follow, when used in this Agreement, shall have the meanings indicated.

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

"Basic Prospectus" shall mean the prospectus referred to in paragraph 1(a) above contained in the Registration Statement at the Effective Date including any Preliminary Prospectus.

"Business Day" shall mean any day other than a Saturday, a Sunday or a legal holiday or a day on which banking institutions or trust companies are authorized or obligated by law to close in New York City or Milwaukee, Wisconsin.

"Commission" shall mean the Securities and Exchange Commission.

"Effective Date" shall mean each date and time that the Registration Statement, any post-effective amendment or amendments thereto and any Rule 462(b) Registration Statement became or become effective.

"Exchange Act" shall mean the Securities Exchange Act of 1934, as amended, and the rules and regulations of the Commission promulgated thereunder.

"Execution Time" shall mean the date and time that this Agreement is executed and delivered by the parties hereto.

"Final Prospectus" shall mean the prospectus supplement relating to the Senior Notes that was first filed pursuant to Rule 424(b) after the Execution Time, together with the Basic Prospectus.

"Preliminary Prospectus" shall mean any preliminary prospectus supplement to the Basic Prospectus which describes the Senior Notes and the offering thereof and is used prior to filing of the Final Prospectus, together with the Basic Prospectus.

"Registration Statement" shall mean the registration statement referred to in paragraph 1(a) above, including exhibits and financial statements, as amended at the Execution Time (or, if not effective at the Execution Time, in the form in which it shall become effective) and, in the event any post-effective amendment thereto or any Rule 462(b) Registration Statement becomes effective prior to the Closing Date, shall also mean such registration statement as so amended or such Rule 462(b) Registration Statement, as the case may be. Such term shall include any Rule 430A Information deemed to be included therein at the Effective Date as provided by Rule 430A.

"Rule 415", "Rule 424", "Rule 430A" and "Rule 462" refer to such rules under the Act.

"Rule 430A Information" shall mean information with respect to the Senior Notes and the offering thereof permitted to be omitted from the Registration Statement when it becomes effective pursuant to Rule 430A.

"Rule 462(b) Registration Statement" shall mean a registration statement and any amendments thereto filed pursuant to Rule 462(b) relating to the offering covered by the registration statement referred to in Section 1(a) hereof.

"Trust Indenture Act" shall mean the Trust Indenture Act of 1939, as amended and the rules and regulations of the Commission promulgated thereunder.

If the foregoing is in accordance with your understanding of our agreement, please sign and return to us the enclosed duplicate hereof, whereupon this letter and your acceptance shall represent a binding agreement among the Company and the several Underwriters.

Very truly yours,

Wisconsin Public Service Corporation

By: /s/ ▇▇▇▇▇ ▇. ▇▇▇▇▇▇
Name: ▇▇▇▇▇ ▇. ▇▇▇▇▇▇
Title:

The foregoing Agreement is
hereby confirmed and accepted
as of the date specified in
Schedule I hereto.

▇.▇. ▇▇▇▇▇▇▇ & Sons, Inc.

By: ▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇
Name: ▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇
Title: Vice President

UBS Warburg LLC

By: /s/ ▇▇▇▇▇▇▇▇▇ ▇▇▇▇▇▇▇
Name: ▇▇▇▇▇▇▇▇▇ ▇▇▇▇▇▇▇
Title: Executive Director

By: /c/ ▇▇▇▇ ▇▇▇▇▇▇▇
Name: ▇▇▇▇ ▇▇▇▇▇▇▇
Title: Director - Debt Capital AL Markets

For themselves and the other
several Underwriters, if any,
named in Schedule II to
the foregoing Agreement.

SCHEDULE I

Underwriting Agreement dated August 14, 2001

Registration Statement File No.:	333-63056 (to which $52 million of Senior Notes were carried forward from Registration Statement File No. 333-67979)
Representative(s):	▇.▇. ▇▇▇▇▇▇▇ & Sons, Inc. UBS Warburg LLC c/o ▇.▇. ▇▇▇▇▇▇▇ & Sons, Inc. ▇▇▇ ▇▇▇▇▇ ▇▇▇▇▇▇▇▇▇ ▇▇▇▇▇▇ ▇▇. ▇▇▇▇▇, ▇▇▇▇▇▇▇▇ ▇▇▇▇▇
Title, Purchase Price and Description of Senior Notes:
Title:	Senior Notes, 6 1/8% Series Due August 1, 2011
Principal amount:	$150,000,000
Purchase price (include accrued interest or amortization, if any):	$149,211,437.50
Sinking fund provisions:	None
Redemption provisions:	The Senior Notes will be redeemable at the option of the Company, in whole at any time or in part from time to time, at a price equal to the greater of (i) 100% of their principal amount or (ii) the sum of the present values of the remaining scheduled payments of principal and interest thereon discounted to the date of redemption on a semiannual basis (assuming a 360-day year consisting of twelve 30-day months) at the Treasury Yield as defined in the Prospectus Supplement and Supplemental Indenture to the Senior Indenture for the Senior Notes plus 0.20%, plus in each case accrued interest to the date of redemption.
Other provisions:	None other than those set forth in the Senior Indenture and substantially in the form set forth in the Supplemental Indenture to the Senior Indenture filed as Exhibit 4C to the Company's Registration Statement on Form S-3 (Reg. No. 333-63056)
Closing Date, Time and Location:	August 22, 2001 at 9:00 a.m. at the offices of ▇▇▇▇▇ & ▇▇▇▇▇▇▇, Milwaukee, Wisconsin

Date referred to in Section 5(f) after which the Company may offer or sell debt securities issued or guaranteed by the Company without the consent of the Representatives: August 22, 2001 Modification of items to be covered by the letter from ▇▇▇▇▇▇ ▇▇▇▇▇▇▇▇ LLP delivered pursuant to Section 6(e) at the Execution Time: NONE.

SCHEDULE II
Underwriters		Principal Amount of Senior Notes to be Purchased

▇.▇. ▇▇▇▇▇▇▇ & Sons, Inc.	$ 60,000,000
UBS Warburg LLC	60,000,000
▇▇▇▇▇▇ ▇. ▇▇▇▇▇ & Co. Incorporated	15,000,000
▇▇▇▇ ▇▇▇▇▇ ▇▇▇▇ ▇▇▇▇▇▇, Incorporated	15,000,000

	Total:	$150,000,000

Wisconsin Public Service Corporation Senior Notes, 6 1/8% Series Due August 1, 2011 Underwriting Agreement

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