HSB GROUP INC
S-4/A, 1997-10-31
FIRE, MARINE & CASUALTY INSURANCE
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<PAGE>
 

   
   AS FILED WITH THE SECURITIES AND EXCHANGE COMMISSION ON OCTOBER 31, 1997 

                                                    REGISTRATION NO. 333-37581 
    
===============================================================================
                      SECURITIES AND EXCHANGE COMMISSION 

                            WASHINGTON, D.C. 20549 

   
                               AMENDMENT NO. 1 
                                      TO 
    

                                   FORM S-4 

                            REGISTRATION STATEMENT 
                                    UNDER 
                          THE SECURITIES ACT OF 1933 

<TABLE>
<CAPTION>
  <S>                                                                <C>
                          HSB GROUP, INC.                                            HSB CAPITAL I 
      (EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER)         (EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS 
                                                                                    TRUST AGREEMENT) 
                            CONNECTICUT                                                 DELAWARE 
  (STATE OR OTHER JURISDICTION OF INCORPORATION OR ORGANIZATION)     (STATE OR OTHER JURISDICTION OF INCORPORATION 
                                                                                    OR ORGANIZATION) 
                               6719                                                       6159 
            (PRIMARY STANDARD INDUSTRIAL CLASSIFICATION               (PRIMARY STANDARD INDUSTRIAL CLASSIFICATION 
                           CODE NUMBER)                                               CODE NUMBER) 
                            06-1475343                                                 06-6452634 
              (I.R.S. EMPLOYER IDENTIFICATION NUMBER)                   (I.R.S. EMPLOYER IDENTIFICATION NUMBER) 
</TABLE>

                               ONE STATE STREET 
                                P.O. BOX 5024 
                       HARTFORD, CONNECTICUT 06102-5024 
                                (860) 722-1866 

 (ADDRESS, INCLUDING ZIP CODE, AND TELEPHONE NUMBER, INCLUDING AREA CODE, OF 
                  REGISTRANTS' PRINCIPAL EXECUTIVE OFFICES) 

                                R. KEVIN PRICE 
                               HSB GROUP, INC. 
                                P.O. BOX 5024 
                            HARTFORD, CONNECTICUT 
                                  06102-5024 
                                (860) 722-1866 

   (NAME, ADDRESS, INCLUDING ZIP CODE, AND TELEPHONE NUMBER, INCLUDING AREA 
                         CODE, OF AGENTS FOR SERVICE) 

                             --------------------------
                                   COPY TO: 
                            STACY J. KANTER, ESQ. 
                   SKADDEN, ARPS, SLATE, MEAGHER & FLOM LLP 
                               919 THIRD AVENUE 
                           NEW YORK, NEW YORK 10022 

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

   APPROXIMATE DATE OF COMMENCEMENT OF PROPOSED SALE TO THE PUBLIC: As soon 
as practicable after this Registration Statement becomes effective. If any of 
the securities being registered on this Form are to be offered in connection 
with the formation of a holding company and there is compliance with General 
Instruction G, check the following box.  [ ] 

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

   
   THE REGISTRANTS HEREBY AMEND THIS REGISTRATION STATEMENT ON SUCH DATE OR 
DATES AS MAY BE NECESSARY TO DELAY ITS EFFECTIVE DATE UNTIL THE REGISTRANTS 
SHALL FILE A FURTHER AMENDMENT WHICH SPECIFICALLY STATES THAT THIS 
REGISTRATION STATEMENT SHALL THEREAFTER BECOME EFFECTIVE IN ACCORDANCE WITH 
SECTION 8(A) OF THE SECURITIES ACT OF 1933 OR UNTIL THE REGISTRATION 
STATEMENT SHALL BECOME EFFECTIVE ON SUCH DATE AS THE COMMISSION, ACTING 
PURSUANT TO SAID SECTION 8(A), MAY DETERMINE. 
    
===============================================================================
<PAGE>
                                HSB CAPITAL I 

                            OFFER TO EXCHANGE ITS 
              GLOBAL FLOATING RATE CAPITAL SECURITIES, SERIES B 
          (LIQUIDATION AMOUNT $1,000 PER EXCHANGE CAPITAL SECURITY) 
         WHICH HAVE BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933 
                      FOR ANY AND ALL OF ITS OUTSTANDING 
              GLOBAL FLOATING RATE CAPITAL SECURITIES, SERIES A 
          (LIQUIDATION AMOUNT $1,000 PER ORIGINAL CAPITAL SECURITY) 
        FULLY AND UNCONDITIONALLY GUARANTEED, TO THE EXTENT DESCRIBED 
                                  HEREIN, BY 

                               HSB GROUP, INC. 

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

   
      THE EXCHANGE OFFER AND WITHDRAWAL RIGHTS WILL EXPIRE AT 5:00 P.M., 
           NEW YORK CITY TIME, ON DECEMBER 5, 1997, UNLESS EXTENDED 
    
                               ----------------
   HSB Capital I, a trust formed under the laws of the State of Delaware (the 
"Issuer Trust"), hereby offers, upon the terms and subject to the conditions 
set forth in this Prospectus (as the same may be amended or supplemented from 
time to time, the "Prospectus") and in the accompanying Letter of Transmittal 
(which together constitute the "Exchange Offer"), to exchange up to 
$110,000,000 aggregate Liquidation Amount of its Global Floating Rate Capital 
Securities, Series B (the "Exchange Capital Securities") which have been 
registered under the Securities Act of 1933, as amended (the "Securities 
Act"), pursuant to a Registration Statement (as defined herein) of which this 
Prospectus constitutes a part, for a like Liquidation Amount of its 
outstanding Global Floating Rate Capital Securities, Series A (the "Original 
Capital Securities"), of which $110,000,000 aggregate Liquidation Amount are 
issued and outstanding. Pursuant to the Exchange Offer, HSB Group, Inc., a 
Connecticut corporation (the "Company" or "HSB"), is also offering to 
exchange (i) its guarantee of payments of cash distributions and payments on 
liquidation of the Issuer Trust or redemption of the Original Capital 
Securities (the "Original Guarantee") for a like guarantee in respect of the 
Exchange Capital Securities (the "Exchange Guarantee") and (ii) $110,000,000 
aggregate principal amount of its Global Floating Rate Junior Subordinated 
Deferrable Interest Debentures, Series A due July 15, 2027 (the "Original 
Junior Subordinated Debentures") for a like aggregate principal amount of its 
Global Floating Rate Junior Subordinated Deferrable Interest Debentures, 
Series B due July 15, 2027 (the "Exchange Junior Subordinated Debentures"), 
which Exchange Guarantee and Exchange Junior Subordinated Debentures also 
have been registered under the Securities Act. The Original Capital 
Securities, the Original Guarantee and the Original Junior Subordinated 
Debentures are collectively referred to herein as the "Original Securities" 
and the Exchange Capital Securities, the Exchange Guarantee and the Exchange 
Junior Subordinated Debentures are collectively referred to herein as the 
"Exchange Securities." 

   The terms of the Exchange Securities are identical in all material 
respects to the respective terms of the Original Securities, except that (i) 
the Exchange Securities have been registered under the Securities Act and 
therefore will not be subject to certain restrictions on transfer applicable 
to the Original Securities, (ii) the Exchange Capital Securities initially 
sold to institutional accredited investors will not contain the $100,000 
minimum Liquidation Amount transfer restriction, (iii) the Exchange Capital 
Securities will not provide for any increase in the Distribution rate 
thereon, and (iv) the Exchange Junior Subordinated Debentures will not 
provide for any increase in the interest rate thereon. See "Description of 
Exchange Securities" and "Description of Original Securities." The Exchange 
Capital Securities are being offered for exchange in order to satisfy certain 
obligations of the Company and the Issuer Trust under the Registration Rights 
Agreement dated as of July 10, 1997 (the "Registration Rights Agreement") 
among the Company, the Issuer Trust and the Initial Purchasers (as defined 
herein). In the event that the Exchange Offer is consummated, any Original 
Capital Securities which remain outstanding after consummation of the 
Exchange Offer and the Exchange Capital Securities issued in the Exchange 
Offer will vote together as a single class for purposes of determining 
whether holders of the requisite percentage in outstanding Liquidation Amount 
thereof have taken certain actions or exercised certain rights under the 
Trust Agreement. 
                                             (continued on the following page) 

   
   This Prospectus and the Letter of Transmittal are first being mailed to 
all holders of Original Capital Securities on November 5, 1997. 

   SEE "RISK FACTORS" COMMENCING ON PAGE 16 FOR CERTAIN INFORMATION THAT 
SHOULD BE CONSIDERED BY HOLDERS IN DECIDING WHETHER TO TENDER ORIGINAL 
CAPITAL SECURITIES IN THE EXCHANGE OFFER. 
    

THESE SECURITIES HAVE NOT BEEN APPROVED OR DISAPPROVED BY THE SECURITIES AND 
EXCHANGE COMMISSION OR ANY STATE SECURITIES COMMISSION NOR HAS THE SECURITIES 
AND EXCHANGE COMMISSION OR ANY STATE SECURITIES COMMISSION PASSED UPON THE 
ACCURACY OR ADEQUACY OF THIS PROSPECTUS. ANY REPRESENTATION TO THE CONTRARY 
                            IS A CRIMINAL OFFENSE. 

   
               The date of this Prospectus is November 5, 1997. 
    

<PAGE>
   The Exchange Capital Securities and the Original Capital Securities 
(collectively, the "Capital Securities") represent beneficial interests in 
the assets of the Issuer Trust. The Company is the owner of all of the 
beneficial interests represented by common securities of the Issuer Trust 
(the "Common Securities," and together with the Capital Securities, the 
"Trust Securities"). The First National Bank of Chicago is the Property 
Trustee (the "Property Trustee") of the Issuer Trust. The Issuer Trust exists 
for the sole purpose of issuing the Trust Securities and investing the 
proceeds thereof in the Junior Subordinated Debentures (as defined herein). 
The Junior Subordinated Debentures will mature on July 15, 2027 (the "Stated 
Maturity"). The Capital Securities will have a preference over the Common 
Securities under certain circumstances with respect to cash distributions and 
amounts payable on liquidation, redemption or otherwise. See "Description of 
Exchange Securities--Description of Exchange Capital 
Securities--Subordination of Common Securities." 

   As used herein, (i) the "Indenture" means the Junior Subordinated 
Indenture, dated as of July 15, 1997, as amended and supplemented from time 
to time, between the Company and The First National Bank of Chicago, as 
trustee (the "Debenture Trustee"), relating to the Junior Subordinated 
Debentures, (ii) the "Trust Agreement" means the Amended and Restated Trust 
Agreement relating to the Trust among the Company, as Sponsor, The First 
National Bank of Chicago, as Property Trustee, First Chicago Delaware Inc., 
an affiliate of the Property Trustee, as Delaware Trustee (the "Delaware 
Trustee"), and the Administrative Trustees named therein (collectively, with 
the Property Trustee and Delaware Trustee, the "Issuer Trustees"), (iii) the 
"Guarantee" means the Guarantee Agreement relating to the Capital Securities 
between the Company and The First National Bank of Chicago, as trustee (the 
"Guarantee Trustee") and (iv) the "Common Guarantee" means the Guarantee 
Agreement relating to the Common Securities between the Company and The First 
National Bank of Chicago, as trustee. In addition, as the context may 
require, (i) "Junior Subordinated Debentures" includes the Original Junior 
Subordinated Debentures and the Exchange Junior Subordinated Debentures and 
(ii) "Guarantee" includes the Original Guarantee and the Exchange Guarantee. 

   Holders of the Capital Securities will be entitled to receive preferential 
cumulative cash distributions accumulating from the date of original issuance 
and payable quarterly in arrears on January 15, April 15, July 15, and 
October 15, of each year, commencing October 15, 1997, at a variable annual 
rate equal to LIBOR (as defined herein) plus .91% on the Liquidation Amount 
(as defined herein) of $1,000 per Capital Security ("Distributions"). The 
Company has the right to defer payment of interest on the Junior Subordinated 
Debentures at any time or from time to time for a period not exceeding 20 
consecutive quarterly periods with respect to each deferral period (each, an 
"Extension Period"), provided that no Extension Period may extend beyond the 
Stated Maturity (as defined herein) of the Junior Subordinated Debentures. 
Upon the termination of any such Extension Period and the payment of all 
amounts then due, the Company may elect to begin a new Extension Period 
subject to the requirements set forth herein. If interest payments on the 
Junior Subordinated Debentures are so deferred, Distributions on the Capital 
Securities will also be deferred and the Company will not be permitted, 
subject to certain exceptions described herein, to declare or pay any cash 
distributions with respect to the Company's capital stock or debt securities 
of the Company that rank pari passu in all respects with or junior to the 
Junior Subordinated Debentures. During an Extension Period, interest on the 
Junior Subordinated Debentures will continue to accrue (and the amount of 
Distributions to which holders of the Capital Securities are entitled will 
accumulate) at a variable annual rate equal to LIBOR plus .91%, compounded 
quarterly from the relevant payment date for interest and holders of Capital 
Securities will be required to recognize interest income for United States 
federal income tax purposes. See "Description of Exchange 
Securities--Description of Exchange Junior Subordinated Debentures--Option To 
Extend Interest Payment Period" and "Certain Federal Income Tax 
Consequences--Interest Income and original Issue Discount." 

   The Company has, through the Guarantee, the Trust Agreement, the Junior 
Subordinated Debentures and the Junior Subordinated Indenture (each as 
defined herein), taken together, fully, irrevocably and unconditionally 
guaranteed all of the Issuer Trust's obligations under the Capital 
Securities. See "Relationship Among the Exchange Capital Securities, the 
Exchange Junior Subordinated Debentures and the Exchange Guarantee--Full and 
Unconditional Guarantee." The Guarantee of the Company guarantees the payment 
of Distributions and payments on liquidation or redemption of the 

                                2           
<PAGE>
Capital Securities, but only in each case to the extent of funds held by the 
Issuer Trust, as described herein (the "Guarantee"). See "Description of 
Exchange Securities--Description of Exchange Guarantee." If the Company does 
not make interest payments on the Junior Subordinated Debentures held by the 
Issuer Trust, the Issuer Trust will have insufficient funds to pay 
Distributions on the Capital Securities. The Guarantee does not cover payment 
of Distributions when the Issuer Trust does not have sufficient funds to pay 
such Distributions. In such event, a holder of Capital Securities may 
institute a legal proceeding directly against the Company to enforce payment 
of such Distributions to such holder. See "Description of Exchange 
Securities--Description of Junior Exchange Subordinated 
Debentures--Enforcement of Certain Rights by Holders of Capital Securities." 
The obligations of the Company under the Guarantee and the Junior 
Subordinated Debentures are subordinate and junior in right of payment to all 
Senior Indebtedness (as defined in "Description of Exchange 
Securities--Description of Exchange Junior Subordinated 
Debentures--Subordination") of the Company. In addition, because the Company 
is a holding company, the right of the Company to participate in any 
distribution of assets of any subsidiary including its insurance 
subsidiaries, upon any such subsidiary's liquidation or reorganization or 
otherwise is subject to the prior claims of creditors of that subsidiary 
except to the extent that the Company may itself be recognized as a creditor 
of that subsidiary. Accordingly, the Junior Subordinated Debentures (and 
therefore the Capital Securities) will be effectively subordinated to all 
existing and future liabilities of the Company's subsidiaries under generally 
accepted accounting principals ("GAAP"), and holders thereof should look only 
to the assets of the Company for payments on the Junior Subordinated 
Debentures. See "Risk Factors--Holding Company Structure; Structural 
Subordination; Dividend Restrictions." 

   The Capital Securities are subject to mandatory redemption, in whole or in 
part, upon repayment of the Junior Subordinated Debentures at Stated Maturity 
or their earlier redemption. The Junior Subordinated Debentures are 
redeemable prior to maturity at the option of the Company (i) on or after 
July 15, 2007, in whole at any time or in part from time to time, or (ii) in 
whole (but not in part) prior to July 15, 2007 and within 90 days following 
the occurrence of a Tax Event at a redemption price set forth herein plus the 
accrued and unpaid interest on the Junior Subordinated Debentures so redeemed 
to the date fixed for redemption. See "Description of Exchange 
Securities--Description of Exchange Junior Subordinated 
Debentures--Redemption." 

   The Company, as the holder of the outstanding Common Securities, has the 
right at any time to terminate the Issuer Trust and, after satisfaction of 
the liabilities of creditors of the Issuer Trust as provided by applicable 
law, cause the Junior Subordinated Debentures to be distributed to the 
holders of the Capital Securities and Common Securities in liquidation of the 
Issuer Trust, subject to the Property Trustee having received an opinion of 
counsel to the effect that such distribution will not be a taxable event to 
holders of Capital Securities. See "Description of Exchange 
Securities--Description of Exchange Capital Securities--Liquidation 
Distribution Upon Termination." 

   In the event of the termination of the Issuer Trust, after satisfaction of 
liabilities to creditors of the Issuer Trust as required by applicable law, 
the holders of the Capital Securities will be entitled to receive a 
Liquidation Amount of $1,000 per Capital Security plus accumulated and unpaid 
Distributions thereon to the date of payment, which may be in the form of a 
distribution of such amount in Junior Subordinated Debentures, subject to 
certain exceptions. See "Description of Exchange Securities--Exchange Capital 
Securities--Liquidation Distribution Upon Termination". 

   The Issuer Trust is making the Exchange Offer of the Exchange Capital 
Securities in reliance on the position of the staff of the Division of 
Corporation Finance of the Securities and Exchange Commission (the 
"Commission") as set forth in certain interpretive letters addressed to third 
parties in other transactions. However, neither the Company nor the Issuer 
Trust has sought its own interpretive letter and there can be no assurance 
that the staff of the Division of Corporation Finance of the Commission would 
make a similar determination with respect to the Exchange Offer as it has in 
such interpretive letters to third parties. Based on these interpretations by 
the staff of the Division of Corporation Finance of the Commission, and 
subject to the two immediately following sentences, the Company and the 
Issuer Trust believe that Exchange Capital Securities issued pursuant to this 
Exchange Offer in exchange for Original Capital Securities may be offered for 
resale, resold and otherwise transferred by a holder thereof 

                                3           
<PAGE>
(other than a holder who is a broker-dealer) without further compliance with 
the registration and prospectus delivery requirements of the Securities Act, 
provided that such Exchange Capital Securities are acquired in the ordinary 
course of such holder's business and that such holder is not participating, 
and has no arrangement or understanding with any person to participate, in a 
distribution (within the meaning of the Securities Act) of such Exchange 
Capital Securities. However, any holder of Original Capital Securities who is 
an "affiliate" of the Company or the Issuer Trust or who intends to 
participate in the Exchange Offer for the purpose of distributing Exchange 
Capital Securities, or any broker-dealer who purchased Original Capital 
Securities from the Issuer Trust to resell pursuant to Rule 144A under the 
Securities Act ("Rule 144A") or any other available exemption under the 
Securities Act, (a) will not be able to rely on the interpretations of the 
staff of the Division of Corporation Finance of the Commission set forth in 
the above-mentioned interpretive letters, (b) will not be permitted or 
entitled to tender such Original Capital Securities in the Exchange Offer and 
(c) must comply with the registration and prospectus delivery requirements of 
the Securities Act in connection with any sale or other transfer of such 
Original Capital Securities unless such sale is made pursuant to an exemption 
from such requirements. In addition, as described below, if any broker-dealer 
holds Original Capital Securities acquired for its own account as a result of 
market-making or other trading activities and exchanges such Original Capital 
Securities for Exchange Capital Securities, then such broker-dealer must 
deliver a prospectus meeting the requirements of the Securities Act in 
connection with any resales of such Exchange Capital Securities. 

   Each holder of Original Capital Securities who wishes to exchange Original 
Capital Securities for Exchange Capital Securities in the Exchange Offer will 
be required to represent that (i) it is not an "affiliate" of the Company or 
the Issuer Trust, (ii) any Exchange Capital Securities to be received by it 
are being acquired in the ordinary course of its business, (iii) it has no 
arrangement or understanding with any person to participate in a distribution 
(within the meaning of the Securities Act) of such Exchange Capital 
Securities, and (iv) if such holder is not a broker-dealer, such holder is 
not engaged in, and does not intend to engage in, a distribution (within the 
meaning of the Securities Act) of such Exchange Capital Securities. In 
addition, the Company and the Issuer Trust may require such holder, as a 
condition to such holder's eligibility to participate in the Exchange Offer, 
to furnish to the Company and the Issuer Trust (or an agent thereof) in 
writing information as to the number of "beneficial owners" (within the 
meaning of Rule 13d-3 under the Securities Exchange Act of 1934, as amended 
(the "Exchange Act")) on behalf of whom such holder holds the Capital 
Securities to be exchanged in the Exchange Offer. Each broker-dealer that 
receives Exchange Capital Securities for its own account pursuant to the 
Exchange Offer must acknowledge that it acquired the Original Capital 
Securities for its own account as the result of market-making activities or 
other trading activities and must agree that it will deliver a prospectus 
meeting the requirements of the Securities Act in connection with any resale 
of such Exchange Capital Securities. The Letter of Transmittal states that by 
so acknowledging and by delivering a prospectus, a broker-dealer will not be 
deemed to admit that it is an "underwriter" within the meaning of the 
Securities Act. Based on the position taken by the staff of the Division of 
Corporation Finance of the Commission in the interpretive letters referred to 
above, the Company and the Issuer Trust believe that broker-dealers who 
acquired Original Capital Securities for their own accounts, as a result of 
market-making activities or other trading activities ("Participating 
Broker-Dealers"), may fulfill their prospectus delivery requirements with 
respect to the Exchange Capital Securities received upon exchange of such 
Original Capital Securities (other than Original Capital Securities which 
represent an unsold allotment from the initial sale of the Original Capital 
Securities) with a prospectus meeting the requirements of the Securities Act, 
which may be the prospectus prepared for an exchange offer so long as it 
contains a description of the plan of distribution with respect to the resale 
of such Exchange Capital Securities. Each broker-dealer that receives 
Exchange Capital Securities for its own account pursuant to the Exchange 
Offer must acknowledge that it will deliver a prospectus in connection with 
any resale of such Exchange Capital Securities. The Letter of Transmittal 
states that by so acknowledging and by delivery of a prospectus, a 
broker-dealer will not be deemed to admit that it is an "underwriter" within 
the meaning of the Securities Act. This Prospectus, as it may be amended or 
supplemented from time to time, may be used by a broker-dealer in connection 
with resales of Exchange Capital Securities received in exchange for Original 
Capital Securities acquired by such broker-dealer as a result of 
market-making activities or other trading 

                                4           
<PAGE>
activities. The Issuer Trust and the Company have agreed that, ending on the 
close of business on the 180th day following the Expiration Date (as defined 
herein), it will make this Prospectus available to any broker-dealer for use 
in connection with any such resale. See "Plan of Distribution." However, a 
Participating Broker-Dealer who intends to use this Prospectus in connection 
with the resale of Exchange Capital Securities received in exchange for 
Original Capital Securities pursuant to the Exchange Offer must notify the 
Company or the Issuer Trust, or cause the Company or the Issuer Trust to be 
notified, on or prior to the Expiration Date, that is a Participating 
Broker-Dealer. Such notice may be given in the space provided for that 
purpose in the Letter of Transmittal or may be delivered to the Exchange 
Agent at one of the addresses set forth herein under "The Exchange 
Offer--Exchange Agent." Any Participating Broker-Dealer who is an "affiliate" 
of the Company or the Issuer Trust may not rely on such interpretive letters 
and must comply with the registration and prospectus delivery requirements of 
the Securities Act in connection with any resale transaction. See "The 
Exchange Offer--Resales of Exchange Capital Securities." 

   In that regard, each Participating Broker-Dealer who surrenders Original 
Capital Securities pursuant to the Exchange Offer will be deemed to have 
agreed, by execution of the Letter of Transmittal, that upon receipt of 
notice from the Company or the Issuer Trust of the occurrence of any event or 
the discovery of any fact which makes any statement contained or incorporated 
by reference in this Prospectus untrue in any material respect or which 
causes this Prospectus to omit to state a material fact necessary in order to 
make the statements contained or incorporated by reference herein, in light 
of the circumstances under which they were made, not misleading or of the 
occurrence of certain other events specified in the Registration Rights 
Agreement, such Participating Broker-Dealer will suspend the sale of Exchange 
Capital Securities (or the Exchange Guarantee or the Exchange Junior 
Subordinated Debentures, as applicable) pursuant to this Prospectus until the 
Company or the Issuer Trust has amended or supplemented this Prospectus to 
correct such misstatement or omission and has furnished copies of the amended 
or supplemented Prospectus to such Participating Broker-Dealer, or the 
Company or the Issuer Trust has given notice that the sale of the Exchange 
Capital Securities (or the Exchange Guarantee or the Exchange Junior 
Subordinated Debentures, as applicable) may be resumed, as the case may be. 
If the Company or the Issuer Trust gives such notice to suspend the sale of 
the Exchange Capital Securities (or the Exchange Guarantee or the Exchange 
Junior Subordinated Debentures, as applicable), it shall extend the 180-day 
period referred to above during which Participating Broker-Dealers are 
entitled to use this Prospectus in connection with the resale of Exchange 
Capital Securities by the number of days during the period from and including 
the date of the giving of such notice to and including the date when 
Participating Broker-Dealers shall have received copies of the amended or 
supplemented Prospectus necessary to permit resales of the Exchange Capital 
Securities or to and including the date on which the Company or the Issuer 
Trust has given notice that the sale of Exchange Capital Securities (or the 
Exchange Guarantee or the Exchange Junior Subordinated Debentures, as 
applicable) may be resumed, as the case may be. 

   Prior to the Exchange Offer, there has been only a limited secondary 
market and no public market for the Original Capital Securities. The Exchange 
Capital Securities will be a new issue of securities for which there 
currently is no market. Although Goldman Sachs & Co. and Conning & Co., the 
initial purchasers of the Original Capital Securities (the "Initial 
Purchasers"), have informed the Company and the Issuer Trust that they each 
currently intend to make a market in the Exchange Capital Securities, they 
are not obligated to do so, and any such market making may be discontinued at 
any time without notice. Accordingly, there can be no assurance as to the 
development or liquidity of any market for the Exchange Capital Securities. 
The Company and the Issuer Trust currently do not intend to apply for listing 
of the Exchange Capital Securities on any securities exchange or for 
quotation through the NASD Automated Quotation System. 

   Any Original Capital Securities not tendered and accepted in the Exchange 
Offer will remain outstanding and will be entitled to all the same rights and 
will be subject to the same limitations applicable thereto under the 
Declaration (except for those rights which terminate upon consummation of the 
Exchange Offer). Following consummation of the Exchange Offer, the holders of 
Original Capital Securities will continue to be subject to all of the 
existing restrictions upon transfer thereof and neither 

                                5           
<PAGE>
the Company nor the Issuer Trust will have any further obligation to such 
holders (other than under certain limited circumstances) to provide for 
registration under the Securities Act of the Original Capital Securities held 
by them. To the extent that Original Capital Securities are tendered and 
accepted in the Exchange Offer, a holder's ability to sell untendered 
Original Capital Securities could be adversely affected. See "Risk 
Factors--Consequences of a Failure to Exchange Original Capital Securities." 

   THIS PROSPECTUS AND THE RELATED LETTER OF TRANSMITTAL CONTAIN IMPORTANT 
INFORMATION. HOLDERS OF ORIGINAL CAPITAL SECURITIES ARE URGED TO READ THIS 
PROSPECTUS AND THE RELATED LETTER OF TRANSMITTAL CAREFULLY BEFORE DECIDING 
WHETHER TO TENDER THEIR ORIGINAL CAPITAL SECURITIES PURSUANT TO THE EXCHANGE 
OFFER. 

   
   Original Capital Securities may be tendered for exchange on or prior to 
5:00 p.m., New York City time, on December 5, 1997 (such time on such date 
being hereinafter called the "Expiration Date"), unless the Exchange Offer is 
extended by the Company or the Issuer Trust (in which case the term 
"Expiration Date" shall mean the latest date and time to which the Exchange 
Offer is extended). Tenders of Original Capital Securities may be withdrawn 
at any time on or prior to the Expiration Date. The Exchange Offer is not 
conditioned upon any minimum Liquidation Amount of Original Capital 
Securities being tendered for exchange. However, the Exchange Offer is 
subject to certain events and conditions which may be waived by the Company 
or the Issuer Trust and to the terms and provisions of the Registration 
Rights Agreement. Original Capital Securities may be tendered in whole or in 
part having an aggregate Liquidation Amount of not less than $1,000 (one 
Capital Security). The Company has agreed to pay all expenses of the Exchange 
Offer. See "The Exchange Offer--Fees and Expenses." Holders of the Original 
Capital Securities whose Original Capital Securities are accepted for 
exchange will not receive Distributions on such Original Capital Securities 
and will be deemed to have waived the right to receive any Distributions on 
such Original Capital Securities accumulated from and after October 15, 1997. 
Accordingly, holders of Exchange Capital Securities as of the record date for 
the payment of Distributions on January 15, 1998 will be entitled to receive 
Distributions accumulated from and after October 15, 1997. See "The Exchange 
Offer--Distributions on Exchange Capital Securities." 

   Neither the Company nor the Issuer Trust will receive any cash proceeds 
from the issuance of the Exchange Capital Securities offered hereby. No 
dealer-manager is being used in connection with this Exchange Offer. See "Use 
of Proceeds" and "Plan of Distribution." 
    

                                6           
<PAGE>
                            AVAILABLE INFORMATION 

   The Company is subject to the informational requirements of the Exchange 
Act and in accordance therewith, files reports, proxy statements and other 
information with the Commission. Such reports, proxy statements and other 
information may be inspected and copied at the public reference facilities 
maintained by the Commission at Room 1024, Judiciary Plaza, 450 Fifth Street, 
N.W., Washington, D.C. 20549 and at the Commission's regional offices at 7 
World Trade Center, 13th Floor, Suite 1300, New York, New York 10048 and 
Suite 1400, Citicorp Center, 500 West Madison Street, Chicago, Illinois 
60661. Copies of such material may also be obtained by mail from the Public 
Reference Section of the Commission at 450 Fifth Street, N.W., Washington, 
D.C. 20549 at prescribed rates. Such information may also be accessed 
electronically by means of the Commission's home page on the Internet 
(http://www.sec.gov). In addition, such reports, proxy statements and other 
information concerning the Company may be inspected at the offices of the New 
York Stock Exchange, Inc., 20 Broad Street, New York, New York 10005 on which 
exchange certain securities of the Company are listed. 

   No separate financial statements of the Issuer Trust have been included 
herein. The Company and the Issuer Trust do not consider that such financial 
statements would be material to holders of the Capital Securities because the 
Issuer Trust is a newly formed special purpose entity, has no operating 
history or independent operations and is not engaged in and does not propose 
to engage in any activity other than holding as trust assets the Junior 
Subordinated Debentures, issuing the Trust Securities and engaging in 
incidental activities. See "HSB Capital I," "Description of Exchange 
Securities." In addition, the Company does not expect that the Trust will 
file reports, proxy statements and other information under the Exchange Act 
with the Commission. 

   This Prospectus constitutes a part of a registration statement on Form S-4 
(the "Registration Statement") filed by the Company and the Issuer Trust with 
the Commission under the Securities Act. This Prospectus does not contain all 
the information set forth in the Registration Statement, certain parts of 
which are omitted in accordance with the rules and regulations of the 
Commission, and reference is hereby made to the Registration Statement and to 
the exhibits relating thereto for further information with respect to the 
Company, the Issuer Trust and the Exchange Securities. Any statements 
contained herein concerning the provisions of any document are not 
necessarily complete, and, in each instance, reference is made to the copy of 
such document filed as an exhibit to the Registration Statement or otherwise 
filed with the Commission. Each such statement is qualified in its entirety 
by such reference. 

                                7           
<PAGE>
               INCORPORATION OF CERTAIN DOCUMENTS BY REFERENCE 

   The following documents filed by the Company with the Commission are 
incorporated into this Prospectus by reference (File No. 0-13300): 

     (i) The Annual Report of Hartford Steam Boiler on Form 10-K/A for the 
    year ended December 31, 1996; 

     (ii) The Quarterly Report of Hartford Steam Boiler on Form 10-Q for the 
    Quarter ended March 31, 1997; 

     (iii) The Quarterly Report of the Company on Form 10-Q for the Quarter 
    ended June 30, 1997; and 

     (iv) The Company's Current Report on Form 8-K filed on July 10, 1997 and 
    July 28, 1997. 

   All documents filed by the Company pursuant to Sections 13(a), 13(c), 14 
or 15(d) of the Exchange Act subsequent to the date hereof and prior to the 
termination of the offering of the Capital Securities offered hereby shall be 
deemed to be incorporated by reference into this Prospectus and to be a part 
of this Prospectus from the date of filing of such document. Any statement 
contained herein or in a document incorporated or deemed to be incorporated 
by reference herein shall be deemed to be modified or superseded for purposes 
of this Prospectus to the extent that a statement contained herein, or in any 
other subsequently filed document which also is or is deemed to be 
incorporated by reference herein, modifies or supersedes such statement. Any 
statement so modified or superseded shall not be deemed, except as so 
modified or superseded, to constitute a part of this Prospectus. 

   As used herein, the terms "Prospectus" and "herein" mean this Prospectus, 
including the documents incorporated or deemed to be incorporated herein by 
reference, as the same may be amended, supplemented or otherwise modified 
from time to time. Statements contained in this Prospectus as to the contents 
of any contract or other document referred to herein do not purport to be 
complete, and where reference is made to the particular provisions of such 
contract or other document, such provisions are qualified in all respects by 
reference to all of the provisions of such contract or other document. The 
Company will provide without charge to any person to whom this Prospectus is 
delivered, on the written or oral request of such person, a copy of any or 
all of the foregoing documents incorporated by reference herein (other than 
exhibits not specifically incorporated by reference into the texts of such 
documents). Requests for such documents should be directed to R. Kevin Price, 
Corporate Secretary, HSB Group, Inc. One State Street, P.O. Box 5024, 
Hartford, Connecticut, 06102-5024. 

                                8           
<PAGE>
                              PROSPECTUS SUMMARY 

   The following summary is qualified in its entirety by the more detailed 
information appearing elsewhere in this Prospectus. 

                               HSB GROUP, INC. 

   HSB Group, Inc. ("the Company" and together with its subsidiaries "HSB 
Group") is a newly formed holding company which owns directly or indirectly, 
a number of insurance and engineering service subsidiaries which specialize 
in insuring against losses from accidents to boilers, pressure vessels and 
mechanical and electrical machinery and equipment, and in providing related 
engineering services. HSB Group's operations are divided into three industry 
segments--insurance, engineering services and investments. 

   The most significant subsidiary of the Company is The Hartford Steam 
Boiler Inspection and Insurance Company ("Hartford Steam Boiler"), an 
insurance company chartered under the laws of the State of Connecticut in 
1866. Hartford Steam Boiler is the largest writer of equipment breakdown 
insurance in North America and is establishing a presence in the engineering 
insurance market outside of North America. In 1996, earned premiums for HSB 
Group's insurance products were $448.6 million, approximately 81.7 percent of 
the revenues of HSB Group. 

   The Company's principal executive offices are located at One State Street, 
Hartford, Connecticut 06102. The Company's telephone number is (860) 
722-1866. 

                                HSB CAPITAL I 

   The Issuer Trust is a statutory business trust created under Delaware law 
pursuant to (i) the Trust Agreement executed by the Company, as Depositor, 
First Chicago, as Property Trustee and First Chicago Delaware Inc., as 
Delaware Trustee ("First Chicago (Delaware)"), and (ii) the filing of a 
certificate of trust with the Delaware Secretary of State. The Issuer Trust's 
business and affairs are conducted by its trustees: First Chicago, as 
Property Trustee, and First Chicago (Delaware) as Delaware Trustee. The 
Issuer Trust exists for the exclusive purposes of (i) issuing and selling the 
Trust Securities, (ii) using the proceeds from the sale of Trust Securities 
to acquire Junior Subordinated Debentures issued by the Company and (iii) 
engaging in only those other activities necessary or incidental thereto (such 
as registering the transfer of the Trust Securities). Accordingly, the Junior 
Subordinated Debentures and the right to reimbursement of expenses under the 
related Expense Agreement will be the sole assets of the Issuer Trust, and 
payments under the Junior Subordinated Debentures and the related Expense 
Agreement will be the sole sources of revenue of the Issuer Trust. 

                              THE EXCHANGE OFFER 

The Exchange Offer ............  Up to $110,000,000 aggregate Liquidation 
                                 Amount of Exchange Capital Securities are 
                                 being offered in exchange for a like 
                                 aggregate Liquidation Amount of Original 
                                 Capital Securities. Original Capital 
                                 Securities may be tendered for exchange in 
                                 whole or in part having Liquidation Amount 
                                 of $1,000 (one Capital Security). The 
                                 Company and the Issuer Trust are making the 
                                 Exchange Offer in order to satisfy their 
                                 obligations under the Registration Rights 
                                 Agreement relating to the Original Capital 
                                 Securities. For a description of the 
                                 procedures for tendering Original Capital 
                                 Securities, see "The Exchange 
                                 Offer--Procedures for Tendering Original 
                                 Capital Securities." 

   
Expiration Date ...............  5:00 p.m., New York City time, on December 
                                 5, 1997, unless the Exchange Offer is 
                                 extended by the Company or the Issuer Trust 
    

                                9           
<PAGE>
                                 (in which case the Expiration Date will be 
                                 the latest date and time to which the 
                                 Exchange Offer is extended). See "The 
                                 Exchange Offer--Terms of the Exchange Offer" 
                                 and "The Exchange Offer--Conditions to the 
                                 Exchange Offer." 

Conditions to the Exchange 
Offer .........................  The Exchange Offer is subject to certain 
                                 conditions, which may be waived by the 
                                 Company and the Issuer Trust in their sole 
                                 discretion. The Exchange Offer is not 
                                 conditioned upon any minimum Liquidation 
                                 Amount of Original Capital Securities being 
                                 tendered. See "The Exchange 
                                 Offer--Conditions to the Exchange Offer." 

Offer .........................  The Company and the Issuer Trust reserve the 
                                 right in their sole and absolute discretion, 
                                 subject to applicable law, at any time and 
                                 from time to time, (i) to delay the 
                                 acceptance of the Original Capital 
                                 Securities for exchange, (ii) to terminate 
                                 the Exchange Offer if certain specified 
                                 conditions have not been satisfied, (iii) to 
                                 extend the Expiration Date of the Exchange 
                                 Offer and retain all Original Capital 
                                 Securities tendered pursuant to the Exchange 
                                 Offer, subject, however, to the right of 
                                 holders of Original Capital Securities to 
                                 withdraw their tendered Original Capital 
                                 Securities, or (iv) to waive any condition 
                                 or otherwise amend the terms of the Exchange 
                                 Offer in any respect. See "The Exchange 
                                 Offer--Terms of the Exchange Offer." 

Withdrawal Rights .............  Tenders of Original Capital Securities may 
                                 be withdrawn at any time on or prior to the 
                                 Expiration Date by delivering a written 
                                 notice of such withdrawal to the Exchange 
                                 Agent in conformity with certain procedures 
                                 set forth below under "The Exchange 
                                 Offer--Withdrawal Rights." 

Procedures for Tendering 
Original  Capital Securities ..  Brokers, dealers, commercial banks, trust 
                                 companies and other nominees who hold 
                                 Original Capital Securities through The 
                                 Depository Trust Company ("DTC") may effect 
                                 tenders by book-entry transfer in accordance 
                                 with DTC's Automated Tender Offer Program 
                                 ("ATOP"). Holders of such Original Capital 
                                 Securities registered in the name of a 
                                 broker, dealer, commercial bank, trust 
                                 company or other nominee are urged to 
                                 contact such person promptly if they wish to 
                                 tender Original Capital Securities. In order 
                                 for Original Capital Securities to be 
                                 tendered by a means other than by book-entry 
                                 transfer, a Letter of Transmittal must be 
                                 completed and signed in accordance with the 
                                 instructions contained therein. The Letter 
                                 of Transmittal and any other documents 
                                 required by the Letter of Transmittal must 
                                 be delivered to The First National Bank of 
                                 Chicago (the "Exchange Agent") by mail, 
                                 facsimile, hand delivery or overnight 
                                 courier and either such Original Capital 
                                 Securities must be delivered to the Exchange 
                                 Agent or specified procedures for guaranteed 
                                 delivery must be complied with. See "The 
                                 Exchange Offer--Procedures for Tendering 
                                 Original Capital Securities." 

                               10           
<PAGE>
                                 Letters of Transmittal and certificates 
                                 representing Original Capital Securities 
                                 should not be sent to the Company or the 
                                 Issuer Trust. Such documents should only be 
                                 sent to the Exchange Agent. 

Resales of Exchange Capital 
 Securities ...................  The Company and the Issuer Trust are making 
                                 the Exchange Offer in reliance on the 
                                 position of the staff of the Division of 
                                 Corporation Finance of the Commission as set 
                                 forth in certain interpretive letters 
                                 addressed to third parties in other 
                                 transactions. However, neither the Company 
                                 nor the Issuer Trust has sought its own 
                                 interpretive letter and there can be no 
                                 assurance that the staff of the Division of 
                                 Corporation Finance of the Commission would 
                                 make a similar determination with respect to 
                                 the Exchange Offer as it has in such 
                                 interpretive letters to third parties. Based 
                                 on these interpretations by the staff of the 
                                 Division of Corporation Finance of the 
                                 Commission, and subject to the two 
                                 immediately following sentences, the Company 
                                 and the Issuer Trust believe that Exchange 
                                 Capital Securities issued pursuant to this 
                                 Exchange Offer in exchange for Original 
                                 Capital Securities may be offered for 
                                 resale, resold and otherwise transferred by 
                                 a holder thereof (other than a holder who is 
                                 a broker-dealer) without further compliance 
                                 with the registration and prospectus 
                                 delivery requirements of the Securities Act, 
                                 provided that such Exchange Capital 
                                 Securities are acquired in the ordinary 
                                 course of such holder's business and that 
                                 such holder is not participating, and has no 
                                 arrangement or understanding with any person 
                                 to participate, in a distribution (within 
                                 the meaning of the Securities Act) of such 
                                 Exchange Capital Securities. However, any 
                                 holder of Original Capital Securities who is 
                                 an "affiliate" of the Company or the Issuer 
                                 Trust or who intends to participate in the 
                                 Exchange Offer for the purpose of 
                                 distributing the Exchange Capital 
                                 Securities, or any broker-dealer who 
                                 purchased the Original Capital Securities 
                                 from the Issuer Trust to resell pursuant to 
                                 Rule 144A or any other available exemption 
                                 under the Securities Act, (a) will not be 
                                 able to rely on the interpretations of the 
                                 staff of the Division of Corporation Finance 
                                 of the Commission set forth in the 
                                 above-mentioned interpretive letters, (b) 
                                 will not be permitted or entitled to tender 
                                 such Original Capital Securities in the 
                                 Exchange Offer and (c) must comply with the 
                                 registration and prospectus delivery 
                                 requirements of the Securities Act in 
                                 connection with any sale or other transfer 
                                 of such Original Capital Securities unless 
                                 such sale is made pursuant to an exemption 
                                 from such requirements. In addition, as 
                                 described below, if any broker-dealer holds 
                                 Original Capital Securities acquired for its 
                                 own account as a result of market-making or 
                                 other trading activities and exchanges such 
                                 Original Capital Securities for Exchange 
                                 Capital Securities, then such broker-dealer 
                                 must deliver a prospectus meeting the 
                                 requirements of the Securities Act in 
                                 connection with any resales of such Exchange 
                                 Capital Securities. 

                               11           
<PAGE>
                                 Each holder of Original Capital Securities 
                                 who wishes to exchange Original Capital 
                                 Securities for Exchange Capital Securities 
                                 in the Exchange Offer will be required to 
                                 represent that (i) it is not an "affiliate" 
                                 of the Company or the Issuer Trust, (ii) any 
                                 Exchange Capital Securities to be received 
                                 by it are being acquired in the ordinary 
                                 course of its business, (iii) it has no 
                                 arrangement or understanding with any person 
                                 to participate in a distribution (within the 
                                 meaning of the Securities Act) of such 
                                 Exchange Capital Securities, and (iv) if 
                                 such holder is not a broker-dealer, such 
                                 holder is not engaged in, and does not 
                                 intend to engage in, a distribution (within 
                                 the meaning of the Securities Act) of such 
                                 Exchange Capital Securities. Each 
                                 broker-dealer that receives Exchange Capital 
                                 Securities for its own account in exchange 
                                 for Original Capital Securities, where such 
                                 Original Capital Securities were acquired by 
                                 such broker-dealer as a result of 
                                 market-making activities or other trading 
                                 activities, must acknowledge that it will 
                                 deliver a prospectus in connection with any 
                                 resale of such Exchange Capital Securities. 
                                 See "Plan of Distribution." The Letter of 
                                 Transmittal states that, by so acknowledging 
                                 and by delivering a prospectus, a 
                                 broker-dealer will not be deemed to admit 
                                 that it is an "underwriter" within the 
                                 meaning of the Securities Act. Based on the 
                                 position taken by the staff of the Division 
                                 of Corporation Finance of the Commission in 
                                 the interpretive letters referred to above, 
                                 the Company and the Issuer Trust believe 
                                 that Participating Broker-Dealers who 
                                 acquired Original Capital Securities for 
                                 their own accounts as a result of 
                                 market-making activities or other trading 
                                 activities may fulfill their prospectus 
                                 delivery requirements with respect to the 
                                 Exchange Capital Securities received upon 
                                 exchange of such Original Capital Securities 
                                 (other than Original Capital Securities 
                                 which represent an unsold allotment from the 
                                 initial sale of the Original Capital 
                                 Securities) with a prospectus meeting the 
                                 requirements of the Securities Act, which 
                                 may be the prospectus prepared for an 
                                 exchange offer so long as it contains a 
                                 description of the plan of distribution with 
                                 respect to the resale of such Exchange 
                                 Capital Securities. Accordingly, this 
                                 Prospectus, as it may be amended or 
                                 supplemented from time to time, may be used 
                                 by a Participating Broker-Dealer in 
                                 connection with resales of Exchange Capital 
                                 Securities received in exchange for Original 
                                 Capital Securities where such Original 
                                 Capital Securities were acquired by such 
                                 Participating Broker-Dealer for its own 
                                 account as a result of market-making or 
                                 other trading activities. Subject to certain 
                                 provisions set forth in the Registration 
                                 Rights Agreement and to the limitations 
                                 described below under "The Exchange 
                                 Offer--Resales of Exchange Capital 
                                 Securities," the Company and the Issuer 
                                 Trust have agreed that this Prospectus, as 
                                 it may be amended or supplemented from time 
                                 to time, may be used by a Participating 
                                 Broker-Dealer in connection with resales of 
                                 such Exchange Capital Securities for a 
                                 period ending 180 days after the Expiration 
                                 Date (subject to extension under certain 
                                 limited circumstances) or, if earlier, when 
                                 all such 

                               12           
<PAGE>
                                 Exchange Capital Securities have been 
                                 disposed of by such Participating 
                                 Broker-Dealer. See "Plan of Distribution." 
                                 Any Participating Broker-Dealer who is an 
                                 "affiliate" of the Company or the Issuer 
                                 Trust may not rely on such interpretive 
                                 letters and must comply with the 
                                 registration and prospectus delivery 
                                 requirements of the Securities Act in 
                                 connection with any resale transaction. See 
                                 "The Exchange Offer--Resales of Exchange 
                                 Capital Securities." 

Exchange Agent ................  The exchange agent with respect to the 
                                 Exchange Offer is The First National Bank of 
                                 Chicago (the "Exchange Agent"). The 
                                 addresses, and telephone and facsimile 
                                 numbers, of the Exchange Agent are set forth 
                                 in "The Exchange Offer--Exchange Agent" and 
                                 in the Letter of Transmittal. 

Use of Proceeds ...............  Neither the Company nor the Issuer Trust 
                                 will receive any cash proceeds from the 
                                 issuance of the Exchange Capital Securities 
                                 offered hereby. See "Use of Proceeds." 

Certain United States Federal 
Income  Tax Consequences; ERISA 
 Considerations ...............  The exchange of Original Capital Securities 
                                 for Exchange Capital Securities and Original 
                                 Junior Subordinated Debentures for Exchange 
                                 Junior Subordinated Debentures pursuant to 
                                 the Exchange Offer should have no federal 
                                 income tax consequences to holders. Holders 
                                 of Original Capital Securities should review 
                                 the information set forth under "Certain 
                                 Federal Income Tax Consequences" and 
                                 "Certain ERISA Considerations" prior to 
                                 tendering Original Capital Securities in the 
                                 Exchange Offer. 

                       THE EXCHANGE CAPITAL SECURITIES 

Securities Offered ............  Up to $110,000,000 aggregate Liquidation 
                                 Amount of the Issuer Trust's Exchange 
                                 Capital Securities which have been 
                                 registered under the Securities Act 
                                 (Liquidation Amount $1,000 per Exchange 
                                 Capital Security). The Exchange Capital 
                                 Securities will be issued and the Original 
                                 Capital Securities were issued under the 
                                 Trust Agreement. The Exchange Capital 
                                 Securities and any Original Capital 
                                 Securities which remain outstanding after 
                                 consummation of the Exchange Offer will vote 
                                 together as a single class for purposes of 
                                 determining whether holders of the requisite 
                                 percentage in outstanding Liquidation Amount 
                                 thereof have taken certain actions or 
                                 exercised certain rights under the 
                                 Declaration. See "Description of Exchange 
                                 Securities--Description of Exchange Capital 
                                 Securities--Voting Rights; Amendment of the 
                                 Declaration." The terms of the Exchange 
                                 Capital Securities are identical in all 
                                 material respects to the terms of the 
                                 Original Capital Securities, except that the 
                                 Exchange Capital Securities have been 
                                 registered under the Securities Act and will 
                                 not be subject to certain restrictions on 
                                 transfer applicable to the Original Capital 
                                 Securities and will 

                               13           
<PAGE>
                                 not provide for any increase in the 
                                 Distribution rate thereon. See "The Exchange 
                                 Offer--Purpose of the Exchange Offer," 
                                 "Description of Exchange Securities" and 
                                 "Description of Original Securities." 

Distribution Dates ............  January 15, April 15, July 15 and October 15 
                                 of each year, commencing October 15, 1997. 

Stated Maturity ...............  July 15, 2027. 

Extension Periods .............  Distributions on Exchange Capital Securities 
                                 will be deferred for the duration of any 
                                 Extension Period elected by the Company with 
                                 respect to the payment of interest on the 
                                 Exchange Junior Subordinated Debentures. No 
                                 Extension Period will exceed 20 consecutive 
                                 quarterly periods or extend beyond the 
                                 Stated Maturity Date. See "Description of 
                                 Exchange Securities--Description of Exchange 
                                 Junior Subordinated Debentures--Option to 
                                 Extend Interest Payment Date" and "Certain 
                                 Federal Income Tax Consequences--Interest 
                                 Income and Original Issue Discount." 

Ranking .......................  The Exchange Capital Securities will rank 
                                 pari passu, and payments thereon will be 
                                 made pro rata, with the Original Capital 
                                 Securities and the Common Securities except 
                                 as described under "Description of Exchange 
                                 Securities--Description of Exchange Capital 
                                 Securities--Subordination of Common 
                                 Securities." The Exchange Junior 
                                 Subordinated Debentures will rank pari passu 
                                 with the Original Junior Subordinated 
                                 Debentures and all other junior subordinated 
                                 debentures to be issued by the Company 
                                 ("Other Debentures"), which will be issued 
                                 and sold (if at all) to other trusts to be 
                                 established by the Company (if any), in each 
                                 case similar to the Issuer Trust ("Other 
                                 Trusts"), and will be unsecured and 
                                 subordinate and junior in right of payment 
                                 to all Senior Indebtedness to the extent and 
                                 in the manner set forth in the Indenture. 
                                 See "Description of Exchange 
                                 Securities--Description of Exchange Junior 
                                 Subordinated Debentures." The Exchange 
                                 Guarantee will rank pari passu with the 
                                 Original Guarantee and all other guarantees 
                                 (if any) to be issued by the Company with 
                                 respect to capital or preferred securities 
                                 (if any) issued by Other Trusts ("Other 
                                 Guarantees") and will constitute an 
                                 unsecured obligation of the Company and will 
                                 rank subordinate and junior in right of 
                                 payment to all Senior Indebtedness to the 
                                 extent and in the manner set forth in the 
                                 Guarantee Agreement. See "Description of 
                                 Exchange Securities--Description of Exchange 
                                 Guarantee." 

Redemption ....................  The Trust Securities are subject to 
                                 mandatory redemption (i) at the Stated 
                                 Maturity upon repayment of the Junior 
                                 Subordinated Debentures, (ii) in whole but 
                                 not in part, prior to July 15, 2007, and 
                                 contemporaneously with the optional 
                                 prepayment by the Company of the Junior 
                                 Subordinated Debentures upon the 

                               14           
<PAGE>
                                 occurrence and continuation of a Tax Event 
                                 and (iii) in whole or in part, at any time 
                                 on or after July 15, 2007 contemporaneously 
                                 with the optional prepayment by the Company 
                                 of the Junior Subordinated Debentures, in 
                                 each case at the applicable Redemption 
                                 Price. See "Description of Exchange 
                                 Securities--Description of Exchange Capital 
                                 Securities--Redemption." 

Shorten Maturity ..............  Under certain circumstances upon the 
                                 occurrence of a Tax Event, the Company has 
                                 the right to shorten the maturity of the 
                                 Junior Subordinated Debentures. See 
                                 "Description of Capital 
                                 Securities--Conditional Right to Shorten 
                                 Maturity or Redeem upon a Tax Event" and 
                                 "Description of Junior Subordinated 
                                 Debentures--Conditional Right to Shorten 
                                 Maturity upon Tax Event." 

Ratings .......................  The Capital Securities have been assigned a 
                                 rating of "A-" by Standard & Poor's Ratings 
                                 Services and "A-" by Duff & Phelps Credit 
                                 Rating Co. 

Transfer Restrictions .........  The Exchange Capital Securities will be 
                                 issued, and may be transferred, only in 
                                 minimum denominations of not less than 
                                 $1,000. See "Description of Exchange 
                                 Securities--Description of Exchange Capital 
                                 Securities--Restrictions on Transfer." Any 
                                 such transfer of Exchange Capital Securities 
                                 in denominations of less than $1,000 shall 
                                 be deemed to be void and of no legal effect 
                                 whatsoever. 

ERISA Considerations ..........  Prospective purchasers must carefully 
                                 consider the restrictions on purchase set 
                                 forth under "Notice to Investors" and 
                                 "Certain ERISA Considerations." 

Absence of Market for the 
Capital  Securities ...........  The Exchange Capital Securities will be a 
                                 new issue of securities for which there 
                                 currently is no market. Although the Initial 
                                 Purchasers have informed the Issuer Trust 
                                 and the Company that they each currently 
                                 intend to make a market in the Capital 
                                 Securities, the Initial Purchasers are not 
                                 obligated to do so, and any such market 
                                 making may be discontinued at any time 
                                 without notice. Accordingly, there can be no 
                                 assurance as to the development or liquidity 
                                 of any market for the Capital Securities. 
                                 The Issuer Trust and the Company do not 
                                 intend to apply for listing of the Capital 
                                 Securities on any securities exchange or for 
                                 quotation through the NASD Automated 
                                 Quotation System. See "Plan of Distribution." 

                               15           
<PAGE>
   As used herein (i) the "Junior Subordinated Indenture" means the Junior 
Subordinated Indenture, as amended and supplemented from time to time, 
between the Company and First Chicago, as trustee (the "Debenture Trustee"), 
and (ii) the "Trust Agreement" means the Amended and Restated Trust Agreement 
relating to the Issuer Trust among the Company, as Depositor, the Property 
Trustee, and First Chicago (Delaware), as Delaware Trustee (the "Delaware 
Trustee") (collectively, the "Issuer Trustees"). 

                                 RISK FACTORS 

   Prospective investors in the Capital Securities should carefully review 
all of the information set forth in this Prospectus and, in particular, 
should consider the risk factors listed below. Prospective investors are also 
cautioned that, in addition to the historical information included herein 
with respect to the Company, this Prospectus includes certain forward-looking 
statements and information that are based on the Company's beliefs as well as 
on assumptions made by and information currently available to management of 
the Company. When used in this Prospectus, the words "expect," "anticipate," 
"intend," " plan," " believe," "estimate" and similar expressions are 
intended to identify such forward-looking statements. However, this 
Prospectus also contains other forward-looking statements. Such statements 
are not guarantees of future performance and involve certain risks, 
uncertainties and assumptions, including but not limited to the factors 
discussed below, which could cause the Company's future results to differ 
materially from those expressed in any forward-looking statements made by or 
on behalf of the Company. Many of such factors are beyond the Company's 
ability to control or predict. Readers are cautioned not to put undue 
reliance on forward-looking statements. The Company disclaims any intent or 
obligation to update publicly any forward-looking statements, whether as a 
result of new information, future events or otherwise. 

RANKING OF SUBORDINATED OBLIGATIONS UNDER THE GUARANTEE AND THE JUNIOR 
SUBORDINATED DEBENTURES 

   The obligations of the Company under the Guarantee issued by the Company 
for the benefit of the holders of Capital Securities and under the Junior 
Subordinated Debentures are subordinate and junior in right of payment to all 
Senior Indebtedness of the Company. Because the Company is a holding company, 
the right of the Company to participate in any distribution of assets of any 
subsidiary upon such subsidiary's liquidation or reorganization or otherwise 
(and thus the ability of holders of the Capital Securities to benefit 
indirectly from such distribution) is subject to the prior claims of 
creditors of that subsidiary, except to the extent that the Company may 
itself be recognized as a creditor of that subsidiary. In addition, there are 
various legal limitations on the extent to which the Company's subsidiaries 
may extend credit, pay dividends or otherwise supply funds to the Company or 
various of its affiliates. Accordingly, the Junior Subordinated Debentures 
and Guarantee will be effectively subordinated to all existing and future 
liabilities of the Company's subsidiaries, and holders of Junior Subordinated 
Debentures and the Guarantee should look only to the assets of the Company 
for payments on the Junior Subordinated Debentures and the Guarantee. See 
"HSB Group, Inc." None of the Junior Subordinated Indenture, the Guarantee or 
the Trust Agreement places any limitation on the amounts of secured or 
unsecured debt, including Senior Indebtedness, that may be incurred by the 
Company. See "Description of Exchange Securities--Description of Exchange 
Guarantee--Status of the Guarantee" and "Description of Exchange 
Securities--Description of Exchange Junior Subordinated 
Debentures--Subordination." 

   The ability of the Issuer Trust to pay amounts due on the Capital 
Securities is solely dependent upon the Company making payments on the Junior 
Subordinated Debentures as and when required. 

HOLDING COMPANY STRUCTURE; STRUCTURAL SUBORDINATION; DIVIDEND RESTRICTIONS 

   Effective June 24, 1997, the Company was organized as a holding company 
with all of its operations being conducted by subsidiaries. The Company, 
however, has, or in the future may have, continuing expenditures for 
administrative expenses, corporate services, the payment of principal and 
interest on borrowings, including the Junior Subordinated Debentures, and 
dividends on preferred stock. In addition, Hartford Steam Boiler, the 
Company's most significant subsidiary, has historically paid dividends on its 
common shares, and it is anticipated that the Company will likewise pay 
dividends on its common stock at a rate which equals or exceeds the rate paid 
by Hartford Steam Boiler prior to the holding company formation. 

                               16           
<PAGE>
   The Company expects to rely primarily on dividends and tax payments from 
its subsidiaries for funds to meet its obligations. Payments of dividends by 
the insurance subsidiaries of the Company are subject to various laws and 
regulations which limit the amount of dividends that can be paid without 
prior approval from the applicable state department of insurance. Under the 
insurance holding company laws of Connecticut which apply to Hartford Steam 
Boiler, approval of the insurance commissioner is required for payment of a 
dividend which when added to the other dividends or distributions made within 
the preceding twelve months, exceeds the greater of (i) 10% of policyholder 
surplus as of December 31 of the preceding year or (ii) net income for the 
twelve-month period ending on December 31 of the preceding year. The maximum 
dividend permitted by law is not necessarily indicative of an insurer's 
actual ability to pay dividends, which may be further affected by business 
and regulatory considerations, such as the impact of dividends on surplus, 
which could affect an insurer's ratings, competitive position, the amount of 
premiums that can be written and the ability to pay future dividends. 
Furthermore, each state department of insurance has broad discretion to limit 
the payment of dividends by insurance companies domiciled in that state. A 
prolonged material decline in insurance subsidiary profits or materially 
adverse insurance regulatory developments, however, could subject the Company 
to shortages of cash because of its inability to receive dividends from 
subsidiaries. 

   In addition, except to the extent that the Company may itself be a 
creditor with recognized claims against its subsidiaries, claims of creditors 
of such subsidiaries will have priority with respect to the assets and 
earnings of such subsidiaries over the claims of creditors of the Company, 
including claims under the Junior Subordinated Debentures and the Guarantee, 
even though such subsidiary obligations do not constitute Senior 
Indebtedness. Accordingly, the Junior Subordinated Debentures will be 
effectively subordinated to all existing and future liabilities of the 
Company's subsidiaries, including loss reserves, unearned premium reserves 
and guarantee obligations. GAAP basis liabilities of the subsidiaries, 
including loss reserves and unearned premium reserves aggregated $750.7 
million at December 31, 1996. In addition, Hartford Steam Boiler has agreed 
to guarantee up to $16 million in respect of debt incurred by Radian 
International, LLC, a joint venture between Hartford Steam Boiler and The Dow 
Chemical Company ("Radian International"). As of June 30, 1997, the guarantee 
was applicable to $13.7 million of Radian International. Such guarantee will 
terminate upon the sale of the Company's interest in Radian International to 
The Dow Chemical Company which is expected to take place on or about January 
1, 1997. See "HSB Group, Inc.--Strategy; Recent History." 

   In addition, in the event of a default on the Company's debt or an 
insolvency, liquidation or other reorganization of the Company, creditors of 
the Company will have no right to proceed against the assets of the 
subsidiaries or to cause their liquidation under federal and state bankruptcy 
laws. If any of the Company's subsidiaries were to be liquidated, such 
liquidation would be conducted under the insurance laws of the domiciliary 
jurisdiction of such subsidiary by the insurance regulator as the receiver 
with respect to such subsidiary's property and business. 

REGULATION 

   The Company's U.S. insurance subsidiaries are regulated under the 
insurance and insurance holding company laws of their state of domicile and 
other states in which they operate. These laws, in general, require approval 
of the applicable insurance regulators prior to certain actions by the 
insurance companies, such as the payment of dividends in excess of statutory 
limitations (as discussed above under "Holding Company Structure; Structural 
Subordination; Dividend Restrictions") and certain transactions and 
continuing service arrangements with affiliates. Regulation and supervision 
of each insurance subsidiary is administered by state insurance commissioners 
who have broad statutory powers with respect to the granting and revoking of 
licenses, approvals of premium rates, forms of insurance contracts and types 
and amounts of business which may be conducted in light of the policyholders' 
surplus of the particular company. The statutes of most states provide for 
the filing of premium rates and such rates may be disapproved if they are 
found to be excessive, inadequate or unfairly discriminatory. The 
determination of rates is based on various factors, including acquisition 
costs, engineering and loss and loss adjustment expense experience. The 
failure to obtain, or delay in obtaining, the required approvals could have 
an adverse impact on the operations of the Company's insurance subsidiaries. 

                               17           
<PAGE>
   The nature and extent of regulations pertaining to the business the 
Company writes outside of the U.S. varies considerably. Regulations cover 
various financial and operational areas including such matters as amount and 
type of reserves, currency, policy language, repatriation of assets and 
compulsory cessions of reinsurance. 

   Insurance regulatory authorities require property and casualty insurers to 
maintain a reasonable ratio between net premiums written and total capital 
and surplus. Accordingly, a property and casualty insurance company's volume 
of net premiums written is limited by the amount of its capital and surplus. 
In the absence of mitigating factors, a ratio of 3 to 1 or less is considered 
acceptable by most regulatory authorities. Hartford Steam Boiler's historical 
ratio has been well within this range. Nevertheless, adverse underwriting 
experience, significant losses in its investment portfolio or changes in 
statutory accounting principles could have a material negative impact on 
Hartford Steam Boiler's surplus to policyholders. 

OPTION TO EXTEND INTEREST PAYMENT PERIOD; TAX CONSEQUENCES 

   So long as no Event of Default under the Junior Subordinated Indenture (a 
"Debenture Event of Default") has occurred or is continuing, the Company has 
the right under the Junior Subordinated Indenture to defer the payment of 
interest on the Junior Subordinated Debentures at any time or from time to 
time for a period not exceeding 20 consecutive quarterly periods with respect 
to each Extension Period, provided that no Extension Period may extend beyond 
the Stated Maturity of the Junior Subordinated Debentures. As a consequence 
of any such deferral, quarterly Distributions on the Capital Securities by 
the Issuer Trust will be deferred (and the amount of Distributions to which 
holders of the Capital Securities are entitled will accumulate additional 
Distributions thereon at the rate of the Floating Rate per annum, compounded 
quarterly from the relevant payment date for such Distributions) during any 
such Extension Period. During any such Extension Period, the Company may not, 
and may not permit any subsidiary of the Company to, (i) declare or pay any 
dividends or distributions on, or redeem, purchase, acquire, or make a 
liquidation payment with respect to, any of the Company's capital stock, (ii) 
make any payment of principal, interest or premium, if any, on or repay, 
repurchase or redeem any debt securities of the Company (including other 
Junior Subordinated Debentures) that rank pari passu in all respects with or 
junior in interest to the Junior Subordinated Debentures or (iii) make any 
guarantee payments with respect to any guarantee by the Company of the debt 
securities of any subsidiary of the Company if such guarantee ranks pari 
passu with or junior in interest to the Junior Subordinated Debentures (other 
than (a) dividends or distributions in Company Common Stock, (b) any 
declaration of a dividend in connection with the implementation of a 
stockholders' rights plan, or the issuance of stock under any such plan in 
the future, or the redemption or repurchase of any such rights pursuant 
thereto, (c) payments under the Guarantee and (d) purchases of Company Common 
Stock related to the issuance of Company Common Stock or rights under any of 
the Company's or its subsidiaries' benefit plans for their directors, 
officers or employees). Prior to the termination of any such Extension 
Period, the Company may further defer the payment of interest, provided that 
no Extension Period may exceed 20 consecutive quarterly periods or extend 
beyond the Stated Maturity of the Junior Subordinated Debentures. Upon the 
termination of any Extension Period and the payment of all interest then 
accrued and unpaid (together with interest thereon at the annual rate of the 
Floating Rate, compounded quarterly, to the extent permitted by applicable 
law), the Company may elect to begin a new Extension Period subject to the 
above requirements. There is no limitation on the number of times that the 
Company may elect to begin an Extension Period. See "Description of Exchange 
Capital Securities--Distributions" and "Description of Exchange Junior 
Subordinated Debentures--Option To Extend Interest Payment Period." 

   Should an Extension Period occur, a holder of Capital Securities will 
continue to accrue income (in the form of original issue discount) in respect 
of its pro rata share of the Junior Subordinated Debentures held by the 
Issuer Trust for United States federal income tax purposes, which will be 
allocated but not distributed, to holders of record of any Capital 
Securities. As a result during such an Extension Period, a holder of Capital 
Securities will include such income in gross income for United States federal 
income tax purposes in advance of the receipt of cash, and will not receive 
the cash related to such income from the Issuer Trust if the holder disposes 
of the Capital Securities prior to the record date for the payment of 
Distributions. See "Certain Federal Income Tax Consequences--Interest Income 
and Original Issue Discount" and "--Sales of Capital Securities." 

                               18           
<PAGE>
   The Company has no current intention of exercising its right to defer 
payments of interest by extending the interest payment period on the Junior 
Subordinated Debentures. However, should the Company elect to exercise such 
right in the future, the market price of the Capital Securities is likely to 
be affected. A holder that disposes of its Capital Securities during an 
Extension Period, therefore, might not receive the same return on its 
investment as a holder that continues to hold its Capital Securities. In 
addition, as a result of the existence of the Company's right to defer 
interest payments, the market price of the Capital Securities (which 
represent preferred beneficial interests in the Issuer Trust) may be more 
volatile than the market prices of other securities on which original 
discount accrues that are not subject to such deferrals. 

TAX EVENT--SHORTENING OF MATURITY OR REDEMPTION 

   Upon the occurrence and during the continuation of a Tax Event, the 
Company has the right, if certain conditions are met, (i) to shorten the 
maturity of the Junior Subordinated Debentures to a date not earlier than 
April 15, 2012 or (ii) to redeem the Junior Subordinated Debentures in whole 
(but not in part) prior to July 15, 2007 and within 90 days following the 
occurrence of such Tax Event and therefore cause a mandatory redemption of 
the Capital Securities before July 15, 2007. Any such redemption shall be at 
a price equal to the Redemption Price (as defined in "Description of Exchange 
Capital Securities--Redemption"). 

   See "--Possible Tax Law Changes Affecting the Capital Securities" below 
for a discussion of previous legislative proposals. The adoption of similar 
legislation could give rise to a Tax Event,which may permit the Company to 
shorten the maturity of the Junior Subordinated Debentures, resulting in the 
shortening of the maturity of the Capital Securities or which may permit the 
Company to cause a redemption of the Capital Securities prior to July 15, 
2007. Prospective investors should be aware that the Company's exercise of 
its right to shorten the maturity of the Junior Subordinated Debentures will 
be a taxable event to holders of Capital Securities if the Junior 
Subordinated Debentures are treated as equity for purposes of United States 
federal income taxation before the maturity is shortened. See "Description of 
Exchange Capital Securities--Conditional Right to Shorten Maturity or Redeem 
upon a Tax Event" and "Description of Exchange Junior Subordinated 
Debentures--Conditional Right to Shorten Maturity upon a Tax Event." 

   "Tax Event" means the receipt by the Issuer Trust of an opinion of counsel 
to the Company experienced in such matters to the effect that, as a result of 
any amendment to, or change (including any announced prospective change) in, 
the laws (or any regulations thereunder) of the United States or any 
political subdivision or taxing authority thereof or therein, or as a result 
of any official administrative pronouncement or judicial decision 
interpreting or applying such laws or regulations, which amendment or change 
is effective or which pronouncement or decision is announced on or after the 
date of issuance of such Capital Securities under the Trust Agreement, there 
is more than an insubstantial risk that (i) the Issuer Trust is, or will be 
within 90 days of the date of such opinion, subject to United States federal 
income tax with respect to income received or accrued on the Junior 
Subordinated Debentures, (ii) interest payable by the Company on the Junior 
Subordinated Debentures is not, or within 90 days of the date of such 
opinion, will not be, deductible by the Company, in whole or in part, for 
United States federal income tax purposes or (iii) the Issuer Trust is, or 
will be within 90 days of the date of such opinion, subject to more than a de 
minimis amount of other taxes, duties or other governmental charges. 

EXCHANGE OF CAPITAL SECURITIES FOR JUNIOR SUBORDINATED DEBENTURES 

   The holders of all of the outstanding Common Securities have the right at 
any time to terminate the Issuer Trust and, after satisfaction of the 
liabilities of creditors of the Issuer Trust as provided by applicable law, 
cause the Junior Subordinated Debentures to be distributed to the holders of 
the Trust Securities in liquidation of the Issuer Trust, subject to the 
Property Trustee having received an opinion of counsel to the effect that 
such distribution will not be a taxable event to holders of Capital 
Securities. See "Description of Exchange Capital Securities--Liquidation 
Distribution Upon Termination." 

                               19           
<PAGE>
MARKET PRICES 

   There can be no assurance as to the market prices for Capital Securities 
or Junior Subordinated Debentures that may be distributed in exchange for 
Capital Securities if a liquidation of the Issuer Trust occurs. Accordingly, 
the Capital Securities that an investor may purchase, whether pursuant to the 
offer made hereby or in the secondary market, or the Junior Subordinated 
Debentures that a holder of Capital Securities may receive on liquidation of 
the Issuer Trust, may trade at a discount to the price that the investor paid 
to purchase the Capital Securities offered hereby. Because holders of Capital 
Securities may receive Junior Subordinated Debentures on termination of the 
Issuer Trust, prospective purchasers of Exchange Capital Securities are also 
making an investment decision with regard to the Exchange Junior Subordinated 
Debentures and should carefully review all the information regarding the 
Exchange Junior Subordinated Debentures contained herein. See "Description of 
Exchange Junior Subordinated Debentures." 

RIGHTS UNDER THE GUARANTEE 

   First Chicago will act as the trustee under the Guarantee (the "Guarantee 
Trustee") and will hold the Guarantee for the benefit of the holders of the 
Capital Securities. First Chicago will also act as Debenture Trustee for the 
Junior Subordinated Debentures and as Property Trustee and First Chicago 
(Delaware) will act as Delaware Trustee under the Trust Agreement. The 
Guarantee guarantees to the holders of the Capital Securities the following 
payments, to the extent not paid by the Issuer Trust: (i) any accumulated and 
unpaid Distributions required to be paid on the Capital Securities, to the 
extent that the Issuer Trust has funds on hand available therefor at such 
time, (ii) the Redemption Price with respect to any Capital Securities called 
for redemption, to the extent that the Issuer Trust has funds on hand 
available therefor at such time and (iii) upon a voluntary or involuntary 
termination, winding-up or liquidation of the Issuer Trust (unless the Junior 
Subordinated Debentures are distributed to holders of the Capital 
Securities), the lesser of (a) the aggregate of the Liquidation Amount and 
all accumulated and unpaid Distributions to the date of payment to the extent 
that the Issuer Trust has funds on hand available therefor at such time and 
(b) the amount of assets of the Issuer Trust remaining available for 
distribution to holders of the Capital Securities on liquidation of the 
Issuer Trust after payment of creditors of the Issuer Trust as required by 
applicable law. The Guarantee is subordinate as described under "--Ranking of 
Subordinated Obligations Under the Guarantee and the Junior Subordinated 
Debentures." The holders of not less than a majority in aggregate Liquidation 
Amount of the Capital Securities have the right to direct the time, method 
and place of conducting any proceeding for any remedy available to the 
Guarantee Trustee in respect of the Guarantee or to direct the exercise of 
any trust power conferred upon the Guarantee Trustee under the Guarantee. Any 
holder of the Capital Securities may institute a legal proceeding directly 
against the Company to enforce its rights under the Guarantee without first 
instituting a legal proceeding against the Issuer Trust, the Guarantee 
Trustee or any other person or entity. If the Company were to default on its 
obligation to pay amounts payable under the Junior Subordinated Debentures, 
the Issuer Trust would lack funds for the payment of Distributions or amounts 
payable on redemption of the Capital Securities or otherwise and, in such 
event, holders of the Capital Securities would not be able to rely upon the 
Guarantee for payment of such amounts. Instead, in the event a Debenture 
Event of Default shall have occurred and be continuing and such event is 
attributable to the failure of the Company to pay interest on or principal of 
the Junior Subordinated Debentures on the payment date on which such payment 
is due and payable, then a holder of Capital Securities may institute a legal 
proceeding directly against the Company for enforcement of payment to such 
holder of the principal of or interest on such Junior Subordinated Debentures 
having a principal amount equal to the aggregate Liquidation Amount of the 
Capital Securities of such holder (a "Direct Action"). In connection with 
such Direct Action, the Company will have a right of set-off under the Junior 
Subordinated Indenture to the extent of any payment made by the Company to 
such holder of Capital Securities in the Direct Action. Except as described 
herein, holders of Capital Securities will not be able to exercise directly 
any other remedy available to the holders of the Junior Subordinated 
Debentures or assert directly any other rights in respect of the Junior 
Subordinated Debentures. See "Description of Exchange Securities--Description 
of Exchange Junior Subordinated Debentures--Enforcement of Certain Rights by 
Holders of Capital Securities," "--Debenture Events of Default" and 
"Description of Exchange Guarantee." The Trust 

                               20           
<PAGE>
Agreement provides that each holder of Capital Securities by acceptance 
thereof agrees to the provisions of the Guarantee and the Junior Subordinated 
Indenture. 

LIMITED VOTING RIGHTS 

   Holders of Capital Securities will generally have limited voting rights 
relating only to the modification of the Capital Securities and the exercise 
of the Issuer Trust's rights as holder of Junior Subordinated Debentures and 
the Guarantee. Holders of Capital Securities will not be entitled to appoint, 
remove or replace the Property Trustee or the Delaware Trustee except upon 
the occurrence of certain events described herein. The Property Trustee and 
the holders of all of the Common Securities may amend the Trust Agreement 
without the consent of holders of Capital Securities to ensure that the 
Issuer Trust will be classified for United States federal income tax purposes 
as a grantor trust. See "Description of Exchange Capital Securities--Voting 
Rights; Amendment of Trust Agreement" and "--Removal of Issuer Trustees; 
Appointment of Successors." 

CONSEQUENCES OF A FAILURE TO EXCHANGE ORIGINAL CAPITAL SECURITIES 

   The Original Capital Securities have not been registered under the 
Securities Act or any state securities laws and therefore may not be offered, 
sold or otherwise transferred except in compliance with the registration 
requirements of the Securities Act and any other applicable securities laws, 
or pursuant to an exemption therefrom or in a transaction not subject 
thereto, and in each case in compliance with certain other conditions and 
restrictions. Original Capital Securities which remain outstanding after 
consummation of the Exchange Offer will continue to bear a legend reflecting 
such restrictions on transfer. In addition, upon consummation of the Exchange 
Offer, holders of Original Capital Securities which remain outstanding will 
not be entitled to any rights to have such Original Capital Securities 
registered under the Securities Act or to any similar rights under the 
Registration Rights Agreement (subject to certain limited exceptions). The 
Company and the Issuer Trust do not intend to register under the Securities 
Act any Original Capital Securities which remain outstanding after 
consummation of the Exchange Offer (subject to such limited exceptions, if 
applicable). To the extent that Original Capital Securities are tendered and 
accepted in the Exchange Offer, a holder's ability to sell untendered 
Original Capital Securities could be adversely affected. 

   The Exchange Capital Securities and any Original Capital Securities which 
remain outstanding after consummation of the Exchange Offer will vote 
together as a single class for purposes of determining whether holders of the 
requisite percentage in outstanding Liquidation Amount thereof have taken 
certain actions or exercised certain rights under the Declaration. See 
"Description of Exchange Securities--Description of Exchange Capital 
Securities--Voting Rights; Amendment of the Declaration." 

   The Original Capital Securities provide, among other things, that, if a 
registration statement relating to the Exchange Offer has not been filed by 
October 13, 1997 and declared effective by December 12, 1997, the 
Distribution rate borne by the Original Capital Securities will increase by 
0.25% per annum until such registration statement has been filed or declared 
effective, as the case may be. Upon consummation of the Exchange Offer, 
holders of Original Capital Securities will not be entitled to any increase 
in the Distribution rate thereon or any further registration rights under the 
Registration Rights Agreement, except under limited circumstances. See 
"Description of Original Securities." 

ABSENCE OF PUBLIC MARKET 

   The Original Capital Securities were issued to, and the Company believes 
such securities are currently owned by, a relatively small number of 
beneficial owners. The Original Capital Securities have not been registered 
under the Securities Act and will be subject to restrictions on 
transferability if they are not exchanged for the Exchange Capital 
Securities. Although the Exchange Capital Securities may be resold or 
otherwise transferred by the holders (who are not affiliates of the Company 
or the Issuer Trust) without compliance with the registration requirements 
under the Securities Act, they will constitute a new issue of securities with 
no established trading market. The Company and the Issuer Trust have been 
advised by the Initial Purchasers that the Initial Purchasers presently 
intend to make a market in the 

                               21           
<PAGE>
Exchange Capital Securities. However, the Initial Purchasers are not 
obligated to do so and any market-making activity with respect to the 
Exchange Capital Securities may be discontinued at any time without notice. 
In addition, such market-making activity will be subject to the limits 
imposed by the Securities Act and the Exchange Act and may be limited during 
the Exchange Offer. Accordingly, no assurance can be given that an active 
public or other market will develop for the Exchange Capital Securities or 
the Original Capital Securities, or as to the liquidity of or the trading 
market for the Exchange Capital Securities or the Original Capital 
Securities. If an active public market does not develop, the market price and 
liquidity of the Exchange Capital Securities may be adversely affected. 

   If a public trading market develops for the Exchange Capital Securities, 
future trading prices will depend on many factors, including, among other 
things, prevailing interest rates, the financial condition of the Company and 
its subsidiaries, and the market for similar securities. Depending on these 
and other factors, the Exchange Capital Securities may trade at a discount. 

   Notwithstanding the registration of the Exchange Capital Securities in the 
Exchange Offer, holders who are "affiliates" (as defined under Rule 405 of 
the Securities Act) of the Company or the Issuer Trust may publicly offer for 
sale or resell the Exchange Capital Securities only in compliance with the 
provisions of Rule 144 under the Securities Act. 

   Each broker-dealer that receives Exchange Capital Securities for its own 
account in exchange for Original Capital Securities, where such Original 
Capital Securities were acquired by such broker-dealer as a result of 
market-making activities or other trading activities, must acknowledge that 
it will deliver a prospectus in connection with any resale of such Exchange 
Capital Securities. See "Plan of Distribution." 

POSSIBLE TAX LAW CHANGES AFFECTING THE CAPITAL SECURITIES 

   On February 6, 1997, as part of the fiscal budget submitted to Congress, 
the Clinton Administration proposed certain changes to federal income tax law 
which would, among other things, generally treat as equity, for federal 
income tax purposes, certain debt obligations, such as the Junior 
Subordinated Debentures, that were issued on or after the date of "first 
committee action" (the "Clinton Proposal"). The Junior Subordinated 
Debentures were issued prior to the date of first committee action. The 
Clinton Proposal was not included in the tax legislation signed into law by 
President Clinton on August 5, 1997. There can be no assurance, however, that 
similar legislation enacted in the future will not adversely affect the tax 
treatment of the Junior Subordinated Debentures, which could result in the 
redemption of the Junior Subordinated Debentures by the Company and the 
distribution of the resulting cash in redemption of the Capital Securities or 
a shortening of the maturity of the Capital Securities. See "Description of 
Exchange Junior Subordinated Debentures--Redemption" and "Description of 
Exchange Capital Securities--Redemption." See also "Certain Federal Income 
Tax Consequences--Possible Tax Law Changes." 

EXCHANGE OFFER PROCEDURES 

   Subject to the conditions set forth under "The Exchange Offer--Conditions 
to the Exchange Offer," delivery of Exchange Capital Securities in exchange 
for Original Capital Securities tendered and accepted for exchange pursuant 
to the Exchange Offer will be made only after timely receipt by the Exchange 
Agent of (i) certificates for Original Capital Securities or a book-entry 
confirmation of a book-entry transfer of Original Capital Securities into the 
Exchange Agent's account at DTC, including an Agent's Message (as defined 
under "The Exchange Offer--Acceptance for Exchange and Issuance of Exchange 
Capital Securities") if the tendering holder does not deliver a Letter of 
Transmittal, (ii) a completed and signed Letter of Transmittal (or facsimile 
thereof), with any required signature guarantees, or, in the case of a 
book-entry transfer, an Agent's Message in lieu of the Letter of Transmittal, 
and (iii) any other documents required by the Letter of Transmittal. 
Therefore, holders of Original Capital Securities desiring to tender such 
Original Capital Securities in exchange for Exchange Capital Securities 
should allow sufficient time to ensure timely delivery. Neither the Company 
nor the Issuer Trust is under a duty to give notification of defects or 
irregularities with respect to the tenders of Original Capital Securities for 
exchange. 

                               22           
<PAGE>
   Each broker-dealer that receives Exchange Securities for its own account 
in exchange for Securities, where such Securities were acquired by such 
broker-dealer as a result of market-making activities or other trading 
activities, must acknowledge that it will deliver a prospectus in connection 
with any resale of such Exchange Securities. See "Plan of Distribution." 

                               23           
<PAGE>
                               HSB GROUP, INC. 

GENERAL 

   HSB Group, Inc. is a newly formed holding company which owns directly or 
indirectly, a number of insurance and engineering service subsidiaries which 
specialize in insuring against losses from accidents to boilers, pressure 
vessels and mechanical and electrical machinery and equipment, and in 
providing related engineering services. HSB Group's operations are divided 
into three industry segments--insurance, engineering services and 
investments. 

   The most significant subsidiary of the Company is Hartford Steam Boiler, 
an insurance company chartered under the laws of the State of Connecticut in 
1866. Hartford Steam Boiler is the largest writer of equipment breakdown 
insurance in North America and is establishing a presence in the engineering 
insurance market outside of North America. In 1996, earned premiums for HSB 
Group's insurance products were $448.6 million, approximately 81.7 percent of 
the revenues of HSB Group. 

EQUIPMENT BREAKDOWN INSURANCE 

   Hartford Steam Boiler is the largest writer of equipment breakdown 
insurance in North America and is establishing a presence in the engineering 
insurance market outside of North America. Based on gross earned premium, 
Hartford Steam Boiler's U.S. market share, at approximately 40 percent, has 
remained fairly stable over the past ten years. 

   Equipment breakdown insurance provides for the indemnification of the 
policyholder for financial loss resulting from destruction or damage to an 
insured boiler, pressure vessel, or other item of machinery or equipment 
caused by an accident. This financial loss can include the cost to repair or 
replace the damaged equipment (property damage), and product spoilage, lost 
profits and expenses to avert lost profits (business interruption) stemming 
from an accident. This heavy emphasis on loss prevention historically has had 
the dual effect of increasing underwriting and inspection expenses, while 
reducing loss and loss adjustment expenses. In this regard, the Company 
distinguishes itself from other insurance suppliers by providing a high level 
of loss prevention, failure analysis and other engineering services with its 
insurance products. An important ancillary benefit for the policyholder is 
that the inspection performed by the Company's inspector on a boiler, 
pressure vessel, or other piece of equipment, as part of the insurance 
process, is normally accepted by state and other regulatory jurisdictions for 
their certification purposes. Without a certificate of inspection by the 
insurance carrier or another inspection agency, policyholders cannot legally 
operate many types of equipment. 

   The Company also writes all risk property insurance for risks with 
significant machinery and equipment exposures, in addition to its more 
traditional boiler and machinery products. The all risk line is marketed to 
customers with equipment and machinery exposures, such as electric utilities, 
where sophisticated engineering services are important to loss prevention and 
control. 

ENGINEERING AND INSPECTION SERVICES 

   Separate divisions of the Company's Engineering Department provide quality 
assurance services, training for nondestructive testing, inspections to code 
standards of the American Society of Mechanical Engineers (ASME), ISO 
certification services and other specialized consulting and inspection 
services related to the design and application of boilers, pressure vessels, 
and many other types of equipment for domestic and foreign equipment 
manufacturers and their customers. The Company is the largest Authorized 
Inspection Agency for ASME codes in the world. In addition, the Company's 
Engineering Department focuses on researching and developing potential new 
products and services, and new markets for current services. In 1996, net 
engineering services revenues were $55.8 million, approximately 10.2 percent 
of the Company's revenues. 

STRATEGY; RECENT HISTORY 

   The Company's strategy is to maintain its market share in North America 
and expand overseas through leveraging its engineering expertise in assessing 
and managing risk to provide insurance products. 

                               24           
<PAGE>
The Company is a multi-national company operating in North American, 
European, and Asian markets. Currently, the Company's principal market is the 
United States. However, the Company seeks to become a stronger competitor in 
international markets as it believes that there is significant opportunity 
for profitable growth overseas. In 1996 the revenues and pre-tax income 
associated with operations outside of the United States were approximately 
18.9 percent and 28.3 percent, respectively. Identifiable assets associated 
with operations outside of the United States are approximately 23.1 percent 
of the consolidated amount. The Company conducts it business in Canada 
through its subsidiary, The Boiler Inspection and Insurance Company of 
Canada. Insurance for risks located in countries other than the United States 
and Canada is written by HSB Engineering Insurance Limited (HSB EIL). In 
December 1994, the Company purchased the remaining 50% interest in HSB EIL's 
parent company, Engineering Insurance Group (EIG) from General Reinsurance 
Corporation. 

   Effective December 1, 1996 the Company increased its membership 
participation in Industrial Risk Insurers ("IRI") from 14 percent to 23.5 
percent. IRI is a voluntary, unincorporated joint underwriting association, 
comprised of property casualty insurance members, which provides property 
insurance for "highly protected risks"--larger manufacturing, processing, and 
industrial businesses which have invested in protection against loss through 
the use of sprinklers and other means. The Company has increased its share 
because it believes that participation in the IRI is an opportunity to apply 
the Company's underwriting, engineering and reinsurance skill sets to a large 
block of business and to potentially provide a quick turnaround of IRI's 
underwriting results with only a limited capital outlay. 

   
   In January 1996, the Company completed the formation of Radian 
International with Dow to provide environmental, engineering, information 
technology, remediation and strategic chemical management services to 
industries and governments world-wide. In connection with the formation of 
the new company, the Company contributed substantially all of the assets of 
its wholly-owned subsidiary, Radian Corporation, and Dow contributed the 
assets of Dow Environmental, Inc., its wholly-owned subsidiary, as well as 
access to certain of its technologies which help support the businesses 
expected to be conducted by the joint venture company. Radian International 
currently is 40 percent owned by Radian Corporation and 60 percent owned by 
Dow Environmental Inc. In 1996, the Company's share of the joint venture's 
results are recorded as equity in Radian rather than consolidated with the 
Company's net engineering services revenue and other income statement 
accounts. The joint venture agreement with Dow provided HSB the option to put 
its share of the joint venture to Dow any time during the period from 
December 31, 1997 to December 31, 1998 upon giving appropriate notice. On 
July 28, 1997 the HSB Board of Directors ratified management's decision to 
put its share of Radian International to Dow on or about January 1, 1998 for 
approximately $145 million. This amount is not subject to any material 
adjustment due to the future operating results of Radian International; 
therefore this will result in a pre-tax gain of approximately $60 million. 
Due to this decision, the results of Radian International have been 
classified as discontinued operations. HSB's share of Radian International's 
results has been immaterial to the consolidated results during the first six 
months of 1997. 
    

   The Company's principal executive offices are located at One State Street, 
Hartford, Connecticut 06102. The Company's telephone number is (860) 
722-1866. 

CORPORATE STRUCTURE; NEWLY ORGANIZED HOLDING COMPANY 

   The Company was recently incorporated to become the holding company of, 
and the direct owner of, Hartford Steam Boiler and certain of its 
subsidiaries. 

   On June 24, 1997, (the "Effective Time"), each share of common stock 
outstanding of Hartford Steam Boiler immediately prior to the Effective Time 
was exchanged for one share of common stock of the Company. Each share of 
preferred stock of Hartford Steam Boiler outstanding immediately prior to the 
Effective Time was exchanged for one share of preferred stock of the Company 
(which series has substantially identical rights and preferences as Hartford 
Steam Boiler preferred stock) (the "Share Exchange") for the sole purpose of 
making the Company the holding company and sole stockholder of Hartford Steam 
Boiler and certain other subsidiaries. 

                               25           
<PAGE>
   The holding company was formed in order to achieve greater operating and 
financial flexibility in connection with certain investments, business 
operations and financing activities. Holding company structures are 
frequently used when an organization conducts regulated and unregulated lines 
of businesses and are commonly found in the insurance industry. 

   The consolidated financial position and consolidated results of operations 
of the Company are substantially identical to those of Hartford Steam Boiler 
immediately prior to the exchange. Complete pro forma and comparative 
financial information regarding the Company and its consolidated subsidiaries 
giving effect to the Share Exchange has not been included herein because 
immediately following the Effective Time of the Share Exchange, the 
consolidated financial statements for the Company was substantially the same 
as the consolidated financial statementsof Hartford Steam Boiler immediately 
prior to the Share Exchange. 

                               26           
<PAGE>
          SELECTED CONSOLIDATED FINANCIAL DATA AND OTHER INFORMATION 

   The selected consolidated financial data set forth in the table below for 
each of the years in the five year period ended December 31, 1996 have been 
derived from Hartford Steam Boiler's consolidated financial statements and 
Hartford Steam Boiler's 1996 Annual Report on Form 10-K/A, each of which is 
incorporated by reference herein. The Company is a newly formed company 
created for the purpose of making the Company the holding company and sole 
stockholder of Hartford Steam Boiler and certain other subsidiaries. The 
Share Exchange creating the new holding company structure was consummated on 
June 24, 1997. The consolidated financial position and consolidated results 
of operations of the Company are substantially identical to those of Hartford 
Steam Boiler immediately prior to the Share Exchange. See "HSB Group, 
Inc.--Corporate Structure; Newly Organized Holding Company." The data 
presented for the six month periods ending June 30, 1997 and 1996 have been 
derived from unaudited consolidated financial statements included in the 
Company's Quarterly Report on Form 10-Q and Hartford Steam Boiler's Quarterly 
Report on Form 10-Q for such periods. The data presented for the periods 
ending June 30, 1997 and 1996 have been prepared on the same basis as the 
audited consolidated financial statements and include all adjustments, 
consisting of normal, recurring accruals that the Company considers necessary 
for a fair presentation of the financial position and results of operations 
for the periods presented. Operating results for the period ended June 30, 
1997 are not necessarily indicative of the results that may be expected for 
the fiscal year ended December 31, 1997. The selected financial data 
presented below should be read in conjunction with the Company's consolidated 
financial statements and notes thereto and other information appearing in 
Hartford Steam Boiler's 1996 Annual Report on Form 10-K/A, and with the 
unaudited financial statements in the Company's Quarterly Report on Form 10-Q 
for the quarter ended June 30, 1997, each of which is incorporated herein by 
reference. All numbers have been restated to eliminate the effect of Radian 
International and reflect it as a discontinued operation. 

                               27           
<PAGE>
<TABLE>
<CAPTION>
                                               SIX MONTHS 
                                             ENDED JUNE 30,                  YEAR ENDED DECEMBER 31, 
                                          -------------------- ---------------------------------------------------- 
                                             1997      1996       1996       1995      1994       1993      1992 
                                          --------- ---------  ---------- --------  ---------- ---------  -------- 
                                              (UNAUDITED) 
                                                           (IN MILLIONS, EXCEPT PER SHARE AMOUNTS) 
<S>                                       <C>       <C>        <C>        <C>       <C>        <C>        <C>
SUMMARY OF CONSOLIDATED STATEMENTS OF 
 OPERATIONS 
 Revenues: 
  Insurance premiums ....................  $ 239.5    $ 221.3   $  448.6    $389.1    $336.6     $349.2    $342.9 
  Net engineering services(1) ...........     29.7       26.8       55.8      49.9      48.0       46.0      49.4 
  Income from investment operations.  ...     20.7       21.9       44.4      31.7      34.9       55.4      62.8 
  Total revenues(1)......................    289.9      270.0      548.8     470.7     419.5      450.6     455.1 
  Income from continuing operations 
   before income taxes and accounting 
   changes...............................     43.5       34.6       72.9      72.2      61.3       12.8      66.7 
  Income taxes ..........................     11.3        8.2       18.3      19.5      16.8        1.7      14.2 
  Income from continuing operations 
   before accounting changes ............     32.2       26.4       54.6      52.7      44.5       11.1      52.5 
  Income per common share from 
   continuing operations before 
   accounting changes ...................     1.58       1.29       2.71      2.58      2.17        .54      2.52 
Dividends paid per common share  ........     1.14       1.14       2.28      2.22      2.14       2.12      2.03 
SUMMARY OF CONSOLIDATED STATEMENTS OF 
 FINANCIAL POSITION 
 Total assets ...........................  $1181.2    $1025.6   $1,116.3    $954.1    $877.8     $857.6    $865.7 
 Long-term borrowings and capital lease 
  obligations ...........................     53.0       53.4       53.0      53.4      28.4       28.4      28.4 
  Convertible redeemable preferred  .....     20.0         --       20.0        --        --         --        -- 
  Common ................................    349.5      343.7      345.6     341.1     299.5      324.7     374.3 
  Per common share ......................    17.71      16.98      17.25     16.81     14.67      15.80     18.05 
  Common shares outstanding at end of 
   period(2) ............................     19.7       20.2       20.0      20.3      20.4       20.5      20.7 
INSURANCE 
 Operating gain (loss)...................  $  21.4    $   9.8   $   21.8    $ 34.2    $ 20.7     $(26.4)   $  1.8 
  Loss ratio ............................     43.0 %     45.6%      45.6%     39.8%     42.5%      57.1%     50.3% 
  Expense ratio .........................     47.9 %     49.5%      49.1%     50.9%     50.5%      50.5%     49.2% 
  Combined ratio ........................     90.9 %     95.1%      94.7%     90.7%     93.0%(3)  107.6%     99.5% 
ENGINEERING SERVICES(1) 
 Gross revenues..........................  $  29.7    $  26.8   $   55.8    $ 49.9    $ 48.3     $ 47.6    $ 50.2 
 Subcontract & equipment resale costs  ..      ---        ---         --       ---        .3        1.6        .8 
  Net revenues ..........................     29.7       26.8       55.8      49.9      48.0       46.0      49.4 
 Operating gain .........................      2.0        3.2        7.3       6.7       4.3        4.0       5.5 
  Gross margin ..........................      6.6 %     12.0 %     13.2%     13.3%      8.9%       8.4%     11.0% 
  Net margin ............................      6.6%      12.0 %     13.2%     13.3%      9.0%       8.7%     11.1% 
INVESTMENTS 
 Net investment income...................  $  16.7    $  15.9   $   32.3    $ 28.2    $ 26.2     $ 29.3    $ 32.0 
 Realized investment gains ..............      4.0        6.0       12.1       2.8       8.7       26.1      30.8 
  Income from investment operations  ....     20.7       21.9       44.4      31.0      34.9       55.4      62.8 
</TABLE>

- ------------ 
(1)    Effective June 30, 1997 Radian is identified as a discontinued 
       operation and consequently is excluded from all periods presented. 
(2)    Reflects the repurchase of approximately .3 million through June in 
       1997, .3 million shares in 1996, .1 million shares in 1995, .1 million 
       shares in 1994, .2 million shares in 1993, and .3 million shares in 
       1992. 
(3)    Excludes charge for Proposition 103. Had the $2.9 million charge been 
       included, the expense ratio would have been 51.3% and the combined 
       ratio would have been 93.8%. 

                               28           
<PAGE>
                                HSB CAPITAL I 

   The Issuer Trust is a statutory business trust created under Delaware law 
pursuant to (i) the Trust Agreement executed by the Company, as Depositor, 
First Chicago, as Property Trustee, and First Chicago (Delaware), as Delaware 
Trustee, and (ii) the filing of a certificate of trust with the Delaware 
Secretary of State. The Issuer Trust's business and affairs are conducted by 
its trustees: First Chicago, as Property Trustee, and First Chicago, 
(Delaware) as Delaware Trustee. In addition, three individuals who are 
employees or officers of or affiliated with the holder of a majority of the 
Common Securities will act as administrators with respect to the Issuer Trust 
(the "Administrators"). The Administrators will be selected by the holders of 
the Common Securities. See "Description of Capital 
Securities--Miscellaneous." The Issuer Trust exists for the exclusive 
purposes of (i) issuing and selling the Trust Securities, (ii) using the 
proceeds from the sale of Trust Securities to acquire Junior Subordinated 
Debentures issued by the Company and (iii) engaging in only those other 
activities necessary or incidental thereto (such as registering the transfer 
of the Trust Securities). Accordingly, the Junior Subordinated Debentures and 
the right to reimbursement of expenses under the related Expense Agreement 
will be the sole assets of the Issuer Trust, and payments under the Junior 
Subordinated Debentures and the related Expense Agreement will be the sole 
revenue of the Issuer Trust. 

   All of the Common Securities will be owned by the Company. The Common 
Securities will rank pari passu, and payments will be made thereon pro rata, 
with the Capital Securities, except that upon the occurrence and continuance 
of an Event of Default under the Trust Agreement resulting from a Debenture 
Event of Default under the Junior Subordinated Indenture, the rights of the 
holders of the Common Securities to payment in respect of Distributions and 
payments upon liquidation, redemption or otherwise will be subordinated to 
the rights of the holders of the Capital Securities. See "Description of 
Capital Securities--Subordination of Common Securities." The Company will 
acquire Common Securities in an aggregate liquidation amount equal to 3% of 
the total capital of the Issuer Trust. The Issuer Trust has a term of 31 
years, but may terminate earlier as provided in the Trust Agreement. The 
principal executive office of the Issuer Trust is One State Street, Hartford, 
Connecticut 06102, Attention: Corporate Secretary, and its telephone number 
is (860) 722-1866. 

                      RATIO OF EARNINGS TO FIXED CHARGES 
                  AND PREFERRED STOCK DIVIDEND REQUIREMENTS 

   The ratio of earnings to fixed charges and preferred stock dividend 
requirements for the Company including its consolidated subsidiaries is 
computed by dividing earnings by fixed charges and preferred stock dividend 
requirements. Earnings consist of income before income taxes plus fixed 
charges. Fixed charges consist of interest expense, capitalized interest, 
one-third (the portion deemed representative of the interest factor) of net 
rents and expenses under long-term leases and preferred stock dividend 
requirements which consist of the pre-tax earnings which would be required to 
cover dividends required to be paid on the Company's majority-owned 
subsidiary's outstanding preferred stock. The following table sets forth the 
ratio of earnings to fixed charges for the Company and its consolidated 
subsidiaries for the periods indicated. 

<TABLE>
<CAPTION>
                                         SIX MONTHS 
                                            ENDED           YEAR ENDED DECEMBER 31, 
                                          JUNE 30,      -----------------------------------
                                      -------------- 
                                            1997       1996   1995    1994   1993   1992 
- --------------------------------------  ------------                ------  ------ ------ 
<S>                                     <C>            <C>    <C>   <C>     <C>    <C>
Ratio of Earnings to Fixed Charges          9.53       8.29   7.22    7.97   2.60    8.94 
Ratio of Earnings to Fixed Charges and 
 Preferred Dividends ..................     8.13       8.29   7.22    7.97   2.60    8.94 
Pro forma Ratio of Earnings to Fixed 
 Charges and Preferred Dividends and 
 Capital Securities Dividends .........     5.34       5.09 
</TABLE>

                               29           
<PAGE>
                               USE OF PROCEEDS 

   Neither the Company nor the Issuer Trust will receive any cash proceeds 
from the issuance of the Exchange Capital Securities and the Exchange 
Guarantee offered hereby. In consideration for issuing the Exchange Capital 
Securities in exchange for Original Capital Securities as described in this 
Prospectus, the Issuer Trust will receive Original Capital Securities in like 
Liquidation Amount. The Original Capital Securities surrendered in exchange 
for the Exchange Capital Securities will be retired and canceled. 

   The proceeds to the Issuer Trust (without giving effect to expenses of the 
offering payable by the Company) from the offering of the Original Capital 
Securities was $108,861,500. All of the proceeds from the sale of the 
Original Capital Securities were invested by the Issuer Trust in the Original 
Junior Subordinated Debentures. The Company intends that the net proceeds 
from the sale of the Original Junior Subordinated Debentures will be used for 
general corporate purposes which may include, without limitation, repurchases 
of the Company's common stock, funding investments in, or extensions of 
credit to, the Company's subsidiaries, repayment of outstanding indebtedness 
and maturing obligations, and financing possible future acquisitions. As of 
the date of this Prospectus, the Company has not entered into any material 
agreements or understandings with respect to any potential acquisition. The 
precise amount and timing of the application of such net proceeds used for 
these purposes will depend on market prices for the Company's common stock 
and the funding requirements and availability of other funds to the Company 
and its subsidiaries. 

                                CAPITALIZATION 

   The following table sets forth the consolidated capitalization of the 
Company and its subsidiaries as of June 30, 1997 as adjusted to give effect 
to the issuance of $110 million of Global Floating Rate Capital Securities by 
the Issuer Trust. The issuance of the Exchange Capital Securities in the 
Exchange Offer will have no effect on the capitalization of the Company. The 
following data should be read in conjunction with the consolidated financial 
statements and notes thereto of the Company and its subsidiaries incorporated 
herein by reference. 

<TABLE>
<CAPTION>
                                                                                JUNE 30, 1997 
                                                                           ----------------------- 
                                                                               ($ IN MILLIONS) 
                                                                            ACTUAL    AS ADJUSTED 
                                                                           -------- ------------- 
<S>                                                                        <C>      <C>
Total Long Term Debt .....................................................    25.1        25.1 
Capital Lease ............................................................    27.9        27.9 
                                                                           -------- ------------- 
  Total Long Term Debt and Capital Lease .................................    53.0        53.0 
                                                                           -------- ------------- 
Company Obligated Mandatorily Redeemable Capital Securities of Subsidiary 
 Trust Holding Solely Junior Subordinated Deferrable Interest Debentures 
 of the Company(1) .......................................................               110.0 
Less Discount and Expenses Related to the Issuance of Mandatorily 
 Redeemable Capital Securities(2) ........................................                (2.4) 
Convertible Redeemable Preferred Stock--Series B .........................    20.0        20.0 
                                                                           -------- ------------- 
                                                                              20.0       127.6 
                                                                           -------- ------------- 
Shareholders' Equity 
 Common Stock ............................................................    10.0        10.0 
 Additional Paid In ......................................................    31.5        31.5 
 Unrealized Investment Gains..............................................    63.7        63.7 
 Retained Earnings........................................................   249.2       249.2 
 Benefit Plans............................................................    (4.9)       (4.9) 
                                                                           -------- ------------- 
  Total Shareholders' Equity..............................................   349.5       349.5 
  Total Capitalization of the Company.....................................   422.5       530.1 
</TABLE>

- ------------ 
(1)    The sole assets of the Issuer Trust will be the Junior Subordinated 
       Debentures. The Junior Subordinated Debentures held by the Issuer Trust 
       will mature on July 15, 2027. The Company initially will own all of the 
       Common Securities of the Issuer Trust. See "Accounting Treatment." 
(2)    Includes discount of $1.1 million and underwriting, legal and other 
       fees of $1.3 million. 

                               30           
<PAGE>
                             ACCOUNTING TREATMENT 

   For financial reporting purposes, the Issuer Trust will be treated as a 
subsidiary of the Company and, accordingly, the accounts of the Issuer Trust 
will be included in the consolidated financial statements of the Company. The 
Capital Securities will be presented as a separate line item in the 
consolidated balance sheets of the Company, entitled "Company Obligated 
Mandatorily Redeemable Capital Securities of Subsidiary Trust Holding Solely 
Junior Subordinated Deferrable Interest Debentures of the Company" and 
appropriate disclosures about the Capital Securities, the Guarantee and the 
Junior Subordinated Debentures will be included in the notes to the Company's 
consolidated financial statements. For financial reporting purposes, the 
Company will record Distributions payable on the Capital Securities as an 
expense in the Company's consolidated statements of income. 

                         RATING OF CAPITAL SECURITIES 

   The Capital Securities have been assigned a rating of "A-" by Standard and 
Poor's Ratings Services and "A-" by Duff & Phelps Credit Rating Co. A 
security rating is not a recommendation to buy, sell or hold securities and 
may be subject to revision or withdrawal at any time by the assigning rating 
organization. There is no assurance that any rating will remain in effect for 
any given period of time or that any rating will not be revised or withdrawn 
entirely by a assigning rating organization in the future if in its judgment 
circumstances so warrant. 

                               31           
<PAGE>
                              THE EXCHANGE OFFER 

PURPOSE OF THE EXCHANGE OFFER 

   In connection with the sale of the Original Capital Securities, the 
Company and the Issuer Trust entered into the Registration Rights Agreement 
with the Initial Purchasers, pursuant to which the Company and the Issuer 
Trust agreed to file and to use their reasonable efforts to cause to become 
effective with the Commission a registration statement with respect to the 
exchange of the Original Capital Securities for capital securities with terms 
identical in all material respects to the terms of the Original Capital 
Securities. A copy of the Registration Rights Agreement has been filed as an 
Exhibit to the Registration Statement of which this Prospectus is a part. 

   The Exchange Offer is being made to satisfy the contractual obligations of 
the Company and the Issuer Trust under the Registration Rights Agreement. The 
form and terms of the Exchange Capital Securities are the same as the form 
and terms of the Original Capital Securities except that the Exchange Capital 
Securities have been registered under the Securities Act and will not be 
subject to certain restrictions on transfer applicable to the Original 
Capital Securities, and will not provide for any increase in the Distribution 
rate thereon. In that regard, the Original Capital Securities provide, among 
other things, that, if a registration statement relating to the Exchange 
Offer has not been filed by October 13, 1997 and declared effective by 
December 12, 1997, the Distribution rate borne by the Original Capital 
Securities will increase by 0.25% per annum until such registration statement 
is filed or declared effective, as the case may be. Upon consummation of the 
Exchange Offer, holders of Original Capital Securities will not be entitled 
to any increase in the Distribution rate thereon or any further registration 
rights under the Registration Rights Agreement, except under limited 
circumstances. See "Risk Factors--Consequences of a Failure to Exchange 
Original Capital Securities" and "Description of Original Securities." 

   The Exchange Offer is not being made to, nor will the Issuer Trust accept 
tenders for exchange from, holders of Original Capital Securities in any 
jurisdiction in which the Exchange Offer or the acceptance thereof would not 
be in compliance with the securities or blue sky laws of such jurisdiction. 

   Each broker-dealer that receives Exchange Securities for its own account 
in exchange for Securities, where such Securities were acquired by such 
broker-dealer as a result of market-making activities or other trading 
activities, must acknowledge that it will deliver a prospectus in connection 
with any resale of such Exchange Securities. See "Plan of Distribution." 

   Unless the context requires otherwise, the term "holder" with respect to 
the Exchange Offer means any person in whose name the Original Capital 
Securities are registered on the books of the Issuer Trust or any other 
person who has obtained a properly completed bond power from the registered 
holder, or any person whose Original Capital Securities are held of record by 
The Depository Trust Company ("DTC") who desires to deliver such Original 
Capital Securities by book-entry transfer at DTC. 

   Pursuant to the Exchange Offer, the Company will exchange as soon as 
practicable after the date hereof, the Original Guarantee for the Exchange 
Guarantee and the Original Junior Subordinated Debentures, in an amount 
corresponding to the Original Capital Securities accepted for exchange, for a 
like aggregate principal amount of the Exchange Junior Subordinated 
Debentures. The Exchange Guarantee and Exchange Junior Subordinated 
Debentures have been registered under the Securities Act. 

TERMS OF THE EXCHANGE OFFER 

   The Issuer Trust hereby offers, upon the terms and subject to the 
conditions set forth in this Prospectus and in the accompanying Letter of 
Transmittal, to exchange up to $110,000,000 aggregate Liquidation Amount of 
Exchange Capital Securities for a like aggregate Liquidation Amount of 
Original Capital Securities properly tendered on or prior to the Expiration 
Date and not properly withdrawn in accordance with the procedures described 
below. The Issuer Trust will issue, promptly after the Expiration Date, an 
aggregate Liquidation Amount of up to $110,000,000 of Exchange Capital 
Securities in exchange for a like principal amount of outstanding Original 
Capital Securities tendered and accepted in connection with the Exchange 
Offer. Holders may tender their Original Capital Securities in whole or in 
part in a Liquidation Amount of not less than $1,000 Liquidation Amount (one 
Capital Security). 

                               32           
<PAGE>
   The Exchange Offer is not conditioned upon any minimum Liquidation Amount 
of Original Capital Securities being tendered. As of the date of this 
Prospectus, $110,000,000 aggregate Liquidation Amount of the Original Capital 
Securities is outstanding. 

   Holders of Original Capital Securities do not have any appraisal or 
dissenters' rights in connection with the Exchange Offer. Original Capital 
Securities which are not tendered for or are tendered but not accepted in 
connection with the Exchange Offer will remain outstanding and be entitled to 
the benefits of the Declaration, but will not be entitled to any further 
registration rights under the Registration Rights Agreement, except under 
limited circumstances. See "Risk Factors--Consequences of a Failure to 
Exchange Original Capital Securities" and "Description of Original 
Securities." 

   If any tendered Original Capital Securities are not accepted for exchange 
because of an invalid tender, the occurrence of certain other events set 
forth herein or otherwise, certificates for any such unaccepted Original 
Capital Securities will be returned, without expense, to the tendering holder 
thereof promptly after the Expiration Date. 

   Holders who tender Original Capital Securities in connection with the 
Exchange Offer will not be required to pay brokerage commissions or fees or, 
subject to the instructions in the Letter of Transmittal, transfer taxes with 
respect to the exchange of Original Capital Securities in connection with the 
Exchange Offer. The Company will pay all charges and expenses, other than 
certain applicable taxes described below, in connection with the Exchange 
Offer. See "--Fees and Expenses." 

   NEITHER THE COMPANY, THE BOARD OF DIRECTORS OF THE COMPANY NOR ANY TRUSTEE 
OF THE ISSUER TRUST MAKES ANY RECOMMENDATION TO HOLDERS OF ORIGINAL CAPITAL 
SECURITIES AS TO WHETHER TO TENDER OR REFRAIN FROM TENDERING ALL OR ANY 
PORTION OF THEIR ORIGINAL CAPITAL SECURITIES PURSUANT TO THE EXCHANGE OFFER. 
IN ADDITION, NO ONE HAS BEEN AUTHORIZED TO MAKE ANY SUCH RECOMMENDATION. 
HOLDERS OF ORIGINAL CAPITAL SECURITIES MUST MAKE THEIR OWN DECISIONS WHETHER 
TO TENDER PURSUANT TO THE EXCHANGE OFFER AND, IF SO, THE AGGREGATE AMOUNT OF 
ORIGINAL CAPITAL SECURITIES TO TENDER BASED ON SUCH HOLDERS' OWN FINANCIAL 
POSITIONS AND REQUIREMENTS. 

EXPIRATION DATE; EXTENSIONS; AMENDMENTS 

   
   The term "Expiration Date" means 5:00 p.m., New York City time, on 
December 5, 1997 unless the Exchange Offer is extended by the Company or the 
Issuer Trust (in which case the term "Expiration Date" shall mean the latest 
date and time to which the Exchange Offer is extended). 
    

   The Company and the Issuer Trust expressly reserve the right in their sole 
and absolute discretion, subject to applicable law, at any time and from time 
to time, (i) to delay the acceptance of the Original Capital Securities for 
exchange, (ii) to terminate the Exchange Offer (whether or not any Original 
Capital Securities have theretofore been accepted for exchange) if the Issuer 
Trust determines, in its sole and absolute discretion, that any of the events 
or conditions referred to under "--Conditions to the Exchange Offer" have 
occurred or exist or have not been satisfied, (iii) to extend the Expiration 
Date of the Exchange Offer and retain all Original Capital Securities 
tendered pursuant to the Exchange Offer, subject, however, to the right of 
holders of Original Capital Securities to withdraw their tendered Original 
Capital Securities as described under "--Withdrawal Rights," and (iv) to 
waive any condition or otherwise amend the terms of the Exchange Offer in any 
respect. If the Exchange Offer is amended in a manner determined by the 
Company and the Issuer Trust to constitute a material change, or if the 
Company and the Issuer Trust waive a material condition of the Exchange 
Offer, the Company and the Issuer Trust will promptly disclose such amendment 
by means of a prospectus supplement that will be distributed to the holders 
of the Original Capital Securities, and the Company and the Issuer Trust will 
extend the Exchange Offer to the extent required by Rule 14e-1 under the 
Exchange Act. 

   Any such delay in acceptance, extension, termination or amendment will be 
followed promptly by oral or written notice thereof to the Exchange Agent and 
by making a public announcement thereof, and such announcement in the case of 
an extension will be made no later than 9:00 a.m., New York City time, 

                               33           
<PAGE>
on the next business day after the previously scheduled Expiration Date. 
Without limiting the manner in which the Company and the Issuer Trust may 
choose to make any public announcement and subject to applicable law, the 
Company and the Issuer Trust shall have no obligation to publish, advertise 
or otherwise communicate any such public announcement other than by issuing a 
release to an appropriate news agency. 

ACCEPTANCE FOR EXCHANGE AND ISSUANCE OF EXCHANGE CAPITAL SECURITIES 

   Upon the terms and subject to the conditions of the Exchange Offer, the 
Issuer Trust will exchange Exchange Capital Securities for Original Capital 
Securities validly tendered and not withdrawn (pursuant to the withdrawal 
rights described under "--Withdrawal Rights") promptly after the Expiration 
Date. 

   Subject to the conditions set forth under "--Conditions to the Exchange 
Offer," delivery of Exchange Capital Securities in exchange for Original 
Capital Securities tendered and accepted for exchange pursuant to the 
Exchange Offer will be made only after timely receipt by the Exchange Agent 
of (i) certificates for Original Capital Securities or a book-entry 
confirmation of a book-entry transfer of Original Capital Securities into the 
Exchange Agent's account at DTC, including an Agent's Message if the 
tendering holder does not deliver a Letter of Transmittal, (ii) a completed 
and signed Letter of Transmittal (or facsimile thereof), with any required 
signature guarantees, or, in the case of a book-entry transfer, an Agent's 
Message in lieu of the Letter of Transmittal, and (iii) any other documents 
required by the Letter of Transmittal. Accordingly, the delivery of Exchange 
Capital Securities might not be made to all tendering holders at the same 
time, and will depend upon when certificates for Original Capital Securities, 
book-entry confirmations with respect to Original Capital Securities and 
other required documents are received by the Exchange Agent. 

   The term "book-entry confirmation" means a timely confirmation of a 
book-entry transfer of Original Capital Securities into the Exchange Agent's 
account at DTC. See "--Procedures for Tendering Original Capital 
Securities--Book--Entry Transfer." The term "Agent's Message" means a 
message, transmitted by DTC to and received by the Exchange Agent and forming 
a part of a book-entry confirmation, which states that DTC has received an 
express acknowledgment from the tendering participant, which acknowledgment 
states that such participant has received and agrees to be bound by the 
Letter of Transmittal and that the Issuer Trust and the Company may enforce 
such Letter of Transmittal against such participant. 

   Subject to the terms and conditions of the Exchange Offer, the Company and 
the Issuer Trust will be deemed to have accepted for exchange, and thereby 
exchanged, Original Capital Securities validly tendered and not withdrawn as, 
if and when the Issuer Trust gives oral or written notice to the Exchange 
Agent of the Company's and the Issuer Trust's acceptance of such Original 
Capital Securities for exchange pursuant to the Exchange Offer. The Exchange 
Agent will act as agent for the Company and the Issuer Trust for the purpose 
of receiving tenders of Original Capital Securities, Letters of Transmittal 
and related documents, and as agent for tendering holders for the purpose of 
receiving Original Capital Securities, Letters of Transmittal and related 
documents and transmitting Exchange Capital Securities which will not be held 
in global form by DTC or a nominee of DTC to validly tendering holders. Such 
exchange will be made promptly after the Expiration Date. If for any reason 
whatsoever, acceptance for exchange or the exchange of any Original Capital 
Securities tendered pursuant to the Exchange Offer is delayed (whether before 
or after the Company's and the Issuer Trust's acceptance for exchange of 
Original Capital Securities) or the Company and the Issuer Trust extend the 
Exchange Offer or are unable to accept for exchange or exchange Original 
Capital Securities tendered pursuant to the Exchange Offer, then, without 
prejudice to the Company's and the Issuer Trust's rights set forth herein, 
the Exchange Agent may, nevertheless, on behalf of the Company and the Issuer 
Trust and subject to Rule 14e-1(c) under the Exchange Act, retain tendered 
Original Capital Securities and such Original Capital Securities may not be 
withdrawn except to the extent tendering holders are entitled to withdrawal 
rights as described under "--Withdrawal Rights." 

   Pursuant to an Agent's Message or a Letter of Transmittal, a holder of 
Original Capital Securities will represent, warrant and agree in the Letter 
of Transmittal that it has full power and authority to tender, exchange, 
sell, assign and transfer Original Capital Securities, that the Issuer Trust 
will acquire good, 

                               34           
<PAGE>
marketable and unencumbered title to the tendered Original Capital 
Securities, free and clear of all liens, restrictions, charges and 
encumbrances, and the Original Capital Securities tendered for exchange are 
not subject to any adverse claims or proxies. The holder also will warrant 
and agree that it will, upon request, execute and deliver any additional 
documents deemed by the Issuer Trust or the Exchange Agent to be necessary or 
desirable to complete the exchange, sale, assignment, and transfer of the 
Original Capital Securities tendered pursuant to the Exchange Offer. 

PROCEDURES FOR TENDERING ORIGINAL CAPITAL SECURITIES 

 VALID TENDER 

   Except as set forth below, in order for Original Capital Securities to be 
validly tendered by book-entry transfer, an Agent's Message or a completed 
and signed Letter of Transmittal (or facsimile thereof), with any required 
signature guarantees, and in either case any other documents required by the 
Letter of Transmittal, must be delivered to the Exchange Agent by mail, 
facsimile, hand delivery or overnight courier at one of the Exchange Agent's 
addresses set forth under "--Exchange Agent" on or prior to the Expiration 
Date and either (i) such Original Capital Securities must be tendered 
pursuant to the procedures for book-entry transfer set forth below or (ii) 
the guaranteed delivery procedures set forth below must be complied with. 

   Except as set forth below, in order for Original Capital Securities to be 
validly tendered by a means other than by book-entry transfer, a completed 
and signed Letter of Transmittal (or facsimile thereof), with any required 
signature guarantees, and any other documents required by the Letter of 
Transmittal must be delivered to the Exchange Agent by mail, facsimile, hand 
delivery or overnight courier at one of the Exchange Agent's addresses set 
forth under "--Exchange Agent" on or prior to the Expiration Date and either 
(i) such Original Capital Securities must be delivered to the Exchange Agent 
on or prior to the Expiration Date or (ii) the guaranteed delivery procedures 
set forth below must be complied with. If less than all Original Capital 
Securities are tendered, a tendering holder should fill in the amount of 
Original Capital Securities being tendered in the appropriate box on the 
Letter of Transmittal. The entire amount of Original Capital Securities 
delivered to the Exchange Agent will be deemed to have been tendered unless 
otherwise indicated. 

   THE METHOD OF DELIVERY OF CERTIFICATES, THE LETTER OF TRANSMITTAL AND ALL 
OTHER REQUIRED DOCUMENTS IS AT THE OPTION AND SOLE RISK OF THE TENDERING 
HOLDER, AND DELIVERY WILL BE DEEMED MADE ONLY WHEN ACTUALLY RECEIVED BY THE 
EXCHANGE AGENT. IF DELIVERY IS TO BE BY MAIL, THE USE OF REGISTERED MAIL, 
RETURN RECEIPT REQUESTED, PROPERLY INSURED, OR AN OVERNIGHT DELIVERY SERVICE 
IS RECOMMENDED. IN ALL CASES, SUFFICIENT TIME SHOULD BE ALLOWED TO ENSURE 
TIMELY DELIVERY. 

 BOOK-ENTRY TRANSFER 

   The Exchange Agent and DTC have confirmed that any Participant (as defined 
in "Description of Exchange Securities--Description of Exchange Capital 
Securities--Depositary Procedures") in DTC's book-entry transfer facility 
system may utilize DTC's ATOP procedures to tender Original Capital 
Securities. The Exchange Agent will establish an account with respect to the 
Original Capital Securities at DTC for purposes of the Exchange Offer within 
two business days after the date of this Prospectus. Any Participant may make 
a book-entry delivery of the Original Capital Securities by causing DTC to 
transfer such Original Capital Securities into the Exchange Agent's account 
at DTC in accordance with DTC's ATOP procedures for transfer. However, 
although delivery of Original Capital Securities may be effected through 
book-entry transfer into the Exchange Agent's account at DTC, an Agent's 
Message or a completed and signed Letter of Transmittal (or facsimile 
thereof), with any required signature guarantees and any other documents 
required by the Letter of Transmittal, must in any case be delivered to and 
received by the Exchange Agent at one of its addresses set forth under 
"--Exchange Agent" on or prior to the Expiration Date, or the guaranteed 
delivery procedure set forth below must be complied with. 

                               35           
<PAGE>
   DELIVERY OF DOCUMENTS TO DTC IN ACCORDANCE WITH DTC'S PROCEDURES DOES NOT 
CONSTITUTE DELIVERY TO THE EXCHANGE AGENT. 

   Signature Guarantees. Certificates for the Original Capital Securities 
need not be endorsed and signature guarantees on the Letter of Transmittal 
are unnecessary unless (a) a certificate for the Original Capital Securities 
is registered in a name other than that of the person surrendering the 
certificate or (b) such holder completes the box entitled "Special Issuance 
Instructions" or "Special Delivery Instructions" in the Letter of 
Transmittal. In the case of (a) or (b) above, such certificates for Original 
Capital Securities must be duly endorsed or accompanied by a properly 
executed bond power, with the endorsement or signature on the bond power and 
on the Letter of Transmittal guaranteed by a firm or other entity identified 
in Rule 17Ad-15 under the Exchange Act as an "eligible guarantor 
institution," including (as such terms are defined therein): (i) a bank; (ii) 
a broker, dealer, municipal securities broker or dealer or government 
securities broker or dealer; (iii) a credit union; (iv) a national securities 
exchange, registered securities association or clearing agency; or (v) a 
savings association that is a participant in a Securities Transfer 
Association (an "Eligible Institution"), unless surrendered on behalf of such 
Eligible Institution. See Instruction 1 to the Letter of Transmittal. 

   Guaranteed Delivery. If a holder desires to tender Original Capital 
Securities pursuant to the Exchange Offer and the certificates for such 
Original Capital Securities are not immediately available or time will not 
permit all required documents to reach the Exchange Agent on or prior to the 
Expiration Date, or the procedure for book-entry transfer cannot be completed 
on a timely basis, such Original Capital Securities may nevertheless be 
tendered, provided that all of the following guaranteed delivery procedures 
are complied with: 

     (a) such tenders are made by or through an Eligible Institution; 

     (b) properly completed and duly executed Notice of Guaranteed Delivery, 
    substantially in the form accompanying the Letter of Transmittal, is 
    received by the Exchange Agent, as provided below, on or prior to the 
    Expiration Date; and 

     (c) the certificates (or a book-entry confirmation) representing all 
    tendered Original Capital Securities, in proper form for transfer, 
    together with a properly completed and duly executed Letter of Transmittal 
    (or facsimile thereof), with any required signature guarantees and any 
    other documents required by the Letter of Transmittal, are received by the 
    Exchange Agent within three New York Stock Exchange, Inc. trading days 
    after the date of execution of such Notice of Guaranteed Delivery. 

   The Notice of Guaranteed Delivery may be delivered by hand, or transmitted 
by facsimile or mail to the Exchange Agent and must include a guarantee by an 
Eligible Institution in the form set forth in such notice. 

   Notwithstanding any other provision hereof, the delivery of Exchange 
Capital Securities in exchange for Original Capital Securities tendered and 
accepted for exchange pursuant to the Exchange Offer will in all cases be 
made only after timely receipt by the Exchange Agent of Original Capital 
Securities, or of a book-entry confirmation with respect to such Original 
Capital Securities, and a properly completed and duly executed Letter of 
Transmittal (or facsimile thereof), together with any required signature 
guarantees and any other documents required by the Letter of Transmittal. 
Accordingly, the delivery of Exchange Capital Securities might not be made to 
all tendering holders at the same time, and will depend upon when Original 
Capital Securities, book-entry confirmations with respect to Original Capital 
Securities and other required documents are received by the Exchange Agent. 

   The Issuer Trust's acceptance for exchange of Original Capital Securities 
tendered pursuant to any of the procedures described above will constitute a 
binding agreement between the tendering holder and the Issuer Trust upon the 
terms and subject to the conditions of the Exchange Offer. 

   
   Determination of Validity. All questions as to the form of documents, 
validity, eligibility (including time of receipt) and acceptance for exchange 
of any tendered Original Capital Securities will be determined by the Company 
and the Issuer Trust, in their sole discretion, whose determination shall be 
    

                               36           
<PAGE>
final and binding on all parties. The Company and the Issuer Trust reserve 
the absolute right, in their sole and absolute discretion, to reject any and 
all tenders determined by them not to be in proper form or the acceptance of 
which, or exchange for, may, in the opinion of counsel to the Company and the 
Issuer Trust, be unlawful. The Company and the Issuer Trust also reserve the 
absolute right, subject to applicable law, to waive any of the conditions of 
the Exchange Offer as set forth under "--Conditions to the Exchange Offer" or 
any condition or irregularity in any tender of Original Capital Securities of 
any particular holder whether or not similar conditions or irregularities are 
waived in the case of other holders. 

   The interpretation by the Company and the Issuer Trust of the terms and 
conditions of the Exchange Offer (including the Letter of Transmittal and the 
instructions thereto) will be final and binding. No tender of Original 
Capital Securities will be deemed to have been validly made until all 
irregularities with respect to such tender have been cured or waived. Neither 
the Company, the Issuer Trust, any affiliates or assigns of the Company or 
the Issuer Trust, the Exchange Agent nor any other person shall be under any 
duty to give any notification of any irregularities in tenders or incur any 
liability for failure to give any such notification. 

   If any Letter of Transmittal, endorsement, bond power, power of attorney, 
or any other document required by the Letter of Transmittal is signed by a 
trustee, executor, administrator, guardian, attorney-in-fact, officer of a 
Corporation or other person acting in a fiduciary or representative capacity, 
such person should so indicate when signing, and unless waived by the Company 
and the Issuer Trust, proper evidence satisfactory to the Company and the 
Issuer Trust, in their sole discretion, of such person's authority to so act 
must be submitted. 

   A beneficial owner of Original Capital Securities that are held by or 
registered in the name of a broker, dealer, commercial bank, trust Company or 
other nominee or custodian is urged to contact such entity promptly if such 
beneficial holder wishes to participate in the Exchange Offer. 

RESALES OF EXCHANGE CAPITAL SECURITIES 

   The Issuer Trust is making the Exchange Offer for the Exchange Capital 
Securities in reliance on the position of the staff of the Division of 
Corporation Finance of the Commission as set forth in certain interpretive 
letters addressed to third parties in other transactions. However, neither 
the Company nor the Issuer Trust sought its own interpretive letter and there 
can be no assurance that the staff of the Division of Corporation Finance of 
the Commission would make a similar determination with respect to the 
Exchange Offer as it has in such interpretive letters to third parties. Based 
on these interpretations by the staff of the Division of Corporation Finance 
of the Commission, and subject to the two immediately following sentences, 
the Company and the Issuer Trust believe that Exchange Capital Securities 
issued pursuant to this Exchange Offer in exchange for Original Capital 
Securities may be offered for resale, resold and otherwise transferred by a 
holder thereof (other than a holder who is a broker-dealer) without further 
compliance with the registration and prospectus delivery requirements of the 
Securities Act, provided that such Exchange Capital Securities are acquired 
in the ordinary course of such holder's business and that such holder is not 
participating, and has no arrangement or understanding with any person to 
participate, in a distribution (within the meaning of the Securities Act) of 
such Exchange Capital Securities. However, any holder of Original Capital 
Securities who is an "affiliate" of the Company or the Issuer Trust or who 
intends to participate in the Exchange Offer for the purpose of distributing 
Exchange Capital Securities, or any broker-dealer who purchased Original 
Capital Securities from the Issuer Trust to resell pursuant to Rule 144A or 
any other available exemption under the Securities Act, (a) will not be able 
to rely on the interpretations of the staff of the Division of Corporation 
Finance of the Commission set forth in the above-mentioned interpretive 
letters, (b) will not be permitted or entitled to tender such Original 
Capital Securities in the Exchange Offer and (c) must comply with the 
registration and prospectus delivery requirements of the Securities Act in 
connection with any sale or other transfer of such Original Capital 
Securities unless such sale is made pursuant to an exemption from such 
requirements. In addition, as described below, if any broker-dealer holds 
Original Capital Securities acquired for its own account as a result of 
market-making or other trading activities and exchanges such Original Capital 
Securities for Exchange Capital Securities, then such broker-dealer must 
deliver a prospectus meeting the requirements of the Securities Act in 
connection with any resales of such Exchange Capital Securities. 

                               37           
<PAGE>
   Each holder of Original Capital Securities who wishes to exchange Original 
Capital Securities for Exchange Capital Securities in the Exchange Offer will 
be required to represent that (i) it is not an "affiliate" of the Company or 
the Issuer Trust, (ii) any Exchange Capital Securities to be received by it 
are being acquired in the ordinary course of its business, (iii) it has no 
arrangement or understanding with any person to participate in a distribution 
(within the meaning of the Securities Act) of such Exchange Capital 
Securities, and (iv) if such holder is not a broker-dealer, such holder is 
not engaged in, and does not intend to engage in, a distribution (within the 
meaning of the Securities Act) of such Exchange Capital Securities. In 
addition, the Company and the Issuer Trust may require such holder, as a 
condition to such holder's eligibility to participate in the Exchange Offer, 
to furnish to the Company and the Issuer Trust (or an agent thereof) in 
writing information as to the number of "beneficial owners" (within the 
meaning of Rule 13d-3 under the Exchange Act) on behalf of whom such holder 
holds the Capital Securities to be exchanged in the Exchange Offer. Each 
broker-dealer that receives Exchange Capital Securities for its own account 
pursuant to the Exchange Offer must acknowledge that it acquired the Original 
Capital Securities for its own account as the result of market-making 
activities or other trading activities and must agree that it will deliver a 
prospectus meeting the requirements of the Securities Act in connection with 
any resale of such Exchange Capital Securities. The Letter of Transmittal 
states that by so acknowledging and by delivering a prospectus, a 
broker-dealer will not be deemed to admit that it is an "underwriter" within 
the meaning of the Securities Act. Based on the position taken by the staff 
of the Division of Corporation Finance of the Commission in the interpretive 
letters referred to above, the Company and the Issuer Trust believe that 
Participating Broker-Dealers who acquired Original Capital Securities for 
their own accounts as a result of market-making activities or other trading 
activities may fulfill their prospectus delivery requirements with respect to 
the Exchange Capital Securities received upon exchange of such Original 
Capital Securities (other than Original Capital Securities which represent an 
unsold allotment from the initial sale of the Original Capital Securities) 
with a prospectus meeting the requirements of the Securities Act, which may 
be the prospectus prepared for an exchange offer so long as it contains a 
description of the plan of distribution with respect to the resale of such 
Exchange Capital Securities. Accordingly, this Prospectus, as it may be 
amended or supplemented from time to time, may be used by a Participating 
Broker-Dealer during the period referred to below in connection with resales 
of Exchange Capital Securities received in exchange for Original Capital 
Securities where such Original Capital Securities were acquired by such 
Participating Broker-Dealer for its own account as a result of market-making 
or other trading activities. Subject to certain provisions set forth in the 
Registration Rights Agreement, the Company and the Issuer Trust have agreed 
that this Prospectus, as it may be amended or supplemented from time to time, 
may be used by a Participating Broker-Dealer in connection with resales of 
such Exchange Capital Securities for a period ending 180 days after the 
Expiration Date (subject to extension under certain limited circumstances 
described below) or, if earlier, when all such Exchange Capital Securities 
have been disposed of by such Participating Broker-Dealer. See "Plan of 
Distribution." However, a Participating Broker-Dealer who intends to use this 
Prospectus in connection with the resale of Exchange Capital Securities 
received in exchange for Original Capital Securities pursuant to the Exchange 
Offer must notify the Company or the Issuer Trust, or cause the Company or 
the Issuer Trust to be notified, on or prior to the Expiration Date, that it 
is a Participating Broker-Dealer. Such notice may be given in the space 
provided for that purpose in the Letter of Transmittal or may be delivered to 
the Exchange Agent at one of the addresses set forth herein under "--Exchange 
Agent." Any Participating Broker-Dealer who is an "affiliate" of the Company 
or the Issuer Trust may not rely on such interpretive letters and must comply 
with the registration and prospectus delivery requirements of the Securities 
Act in connection with any resale transaction. 

   In that regard, each Participating Broker-Dealer who surrenders Original 
Capital Securities pursuant to the Exchange Offer will be deemed to have 
agreed, by execution of the Letter of Transmittal, that upon receipt of 
notice from the Company or the Issuer Trust of the occurrence of any event or 
the discovery of (i) any fact which makes any statement contained or 
incorporated by reference in this Prospectus untrue in any material respect 
or (ii) any fact which causes this Prospectus to omit to state a material 
fact necessary in order to make the statements contained or incorporated by 
reference herein, in light of the circumstances under which they were made, 
not misleading, or (iii) of the occurrence of certain other events specified 
in the Registration Rights Agreement, such Participating Broker-Dealer will 
suspend the 

                               38           
<PAGE>
sale of Exchange Capital Securities (or the Exchange Guarantee or the 
Exchange Junior Subordinated Debentures, as applicable) pursuant to this 
Prospectus until the Company or the Issuer Trust has amended or supplemented 
this Prospectus to correct such misstatement or omission and has furnished 
copies of the amended or supplemented Prospectus to such Participating 
Broker-Dealer, or the Company or the Issuer Trust has given notice that the 
sale of the Exchange Capital Securities (or the Exchange Guarantee or the 
Exchange Junior Subordinated Debentures, as applicable) may be resumed, as 
the case may be. If the Company or the Issuer Trust gives such notice to 
suspend the sale of the Exchange Capital Securities (or the Exchange 
Guarantee or the Exchange Junior Subordinated Debentures, as applicable), it 
shall extend the 180-day period referred to above during which Participating 
Broker-Dealers are entitled to use this Prospectus in connection with the 
resale of Exchange Capital Securities by the number of days during the period 
from and including the date of the giving of such notice to and including the 
date when Participating Broker-Dealers shall have received copies of the 
amended or supplemented Prospectus necessary to permit resales of the 
Exchange Capital Securities or to and including the date on which the Company 
or the Issuer Trust has given notice that the sale of Exchange Capital 
Securities (or the Exchange Guarantee or the Exchange Junior Subordinated 
Debentures, as applicable) may be resumed, as the case may be. 

WITHDRAWAL RIGHTS 

   Except as otherwise provided herein, tenders of Original Capital 
Securities may be withdrawn at any time on or prior to the Expiration Date. 
In order for a withdrawal to be effective a written, telegraphic, telex or 
facsimile transmission of such notice of withdrawal must be timely received 
by the Exchange Agent at one of its addresses set forth under "--Exchange 
Agent" on or prior to the Expiration Date. Any such notice of withdrawal must 
specify the name of the person who tendered the Original Capital Securities 
to be withdrawn, the aggregate principal amount of Original Capital 
Securities to be withdrawn, and (if certificates for such Original Capital 
Securities have been tendered) the name of the registered holder of the 
Original Capital Securities as set forth on the Original Capital Securities, 
if different from that of the person who tendered such Original Capital 
Securities. If Original Capital Securities have been delivered or otherwise 
identified to the Exchange Agent, then prior to the physical release of such 
Original Capital Securities, the tendering holder must submit the serial 
numbers shown on the particular Original Capital Securities to be withdrawn 
and the signature on the notice of withdrawal must be guaranteed by an 
Eligible Institution, except in the case of Original Capital Securities 
tendered for the account of an Eligible Institution. If Original Capital 
Securities have been tendered pursuant to the procedures for book-entry 
transfer set forth in "--Procedures for Tendering Original Capital 
Securities," the notice of withdrawal must specify the name and number of the 
account at DTC to be credited with the withdrawal of Original Capital 
Securities, in which case a notice of withdrawal will be effective if 
delivered to the Exchange Agent by written, telegraphic, telex or facsimile 
transmission. Withdrawals of tenders of Original Capital Securities may not 
be rescinded. Original Capital Securities properly withdrawn will not be 
deemed validly tendered for purposes of the Exchange Offer, but may be 
retendered at any subsequent time on or prior to the Expiration Date by 
following any of the procedures described above under "--Procedures for 
Tendering Original Capital Securities." 

   All questions as to the validity, form and eligibility (including time of 
receipt) of such withdrawal notices will be determined by the Issuer Trust, 
in its sole discretion, whose determination shall be final and binding on all 
parties. Neither the Company, the Issuer Trust, any affiliates or assigns of 
the Company or the Issuer Trust, the Exchange Agent nor any other person 
shall be under any duty to give any notification of any irregularities in any 
notice of withdrawal or incur any liability for failure to give any such 
notification. Any Original Capital Securities which have been tendered but 
which are withdrawn will be returned to the holder thereof promptly after 
withdrawal. 

DISTRIBUTIONS ON EXCHANGE CAPITAL SECURITIES 

   Holders of Original Capital Securities whose Original Capital Securities 
are accepted for exchange will not receive Distributions on such Original 
Capital Securities and will be deemed to have waived the right to receive any 
Distributions on such Original Capital Securities accumulated from and after 

                               39           
<PAGE>
October 15, 1997. Accordingly, holders of Exchange Capital Securities as of 
the record date for the payment of Distributions on January 15, 1998 will be 
entitled to receive Distributions accumulated from and after October 15, 
1997. 

CONDITIONS TO THE EXCHANGE OFFER 

   Notwithstanding any other provisions of the Exchange Offer, or any 
extension of the Exchange Offer, the Company and the Issuer Trust will not be 
required to accept for exchange, or to exchange, any Original Capital 
Securities for any Exchange Capital Securities, and, as described below, may 
terminate the Exchange Offer (whether or not any Original Capital Securities 
have theretofore been accepted for exchange) or may waive any conditions to 
or amend the Exchange Offer, if any of the following conditions have occurred 
or exists or have not been satisfied: 

     (a) there shall occur a change in the current interpretation by the staff 
    of the Commission which permits the Exchange Capital Securities issued 
    pursuant to the Exchange Offer in exchange for Original Capital Securities 
    to be offered for resale, resold and otherwise transferred by holders 
    thereof (other than broker-dealers and any such holder which is an 
    "affiliate" of the Company or the Issuer Trust within the meaning of Rule 
    405 under the Securities Act) without compliance with the registration and 
    prospectus delivery provisions of the Securities Act, provided that such 
    Exchange Capital Securities are acquired in the ordinary course of such 
    holders' business and such holders have no arrangement or understanding 
    with any person to participate in the distribution of such Exchange 
    Capital Securities; or 

     (b) any law, statute, rule or regulation shall have been adopted or 
    enacted which, in the judgment of the Company or the Issuer Trust, would 
    reasonably be expected to impair its ability to proceed with the Exchange 
    Offer; or 

     (c) a stop order shall have been issued by the Commission or any state 
    securities authority suspending the effectiveness of the Registration 
    Statement, or proceedings shall have been initiated or, to the knowledge 
    of the Company or the Issuer Trust, threatened for that purpose, or any 
    governmental approval has not been obtained, which approval the Company or 
    the Issuer Trust shall, in its sole discretion, deem necessary for the 
    consummation of the Exchange Offer as contemplated hereby; or 

     (d) the Company shall receive an opinion of counsel experienced in such 
    matters to the effect that there is more than an insubstantial risk that 
    consummation of the Exchange Offer would result in interest payable to the 
    Issuer Trust on the Junior Subordinated Debentures being not deductible by 
    the Company for United States federal income tax purposes. 

   If the Company or the Issuer Trust determines in its sole and absolute 
discretion that any of the foregoing events or conditions has occurred or 
exists or has not been satisfied, it may, subject to applicable law, 
terminate the Exchange Offer (whether or not any Original Capital Securities 
have theretofore been accepted for exchange) or may waive any such condition 
or otherwise amend the terms of the Exchange Offer in any respect. If such 
waiver or amendment constitutes a material change to the Exchange Offer, the 
Company or the Issuer Trust will promptly disclose such waiver or amendment 
by means of a prospectus supplement that will be distributed to the 
registered holders of the Original Capital Securities and will extend the 
Exchange Offer to the extent required by Rule 14e-1 under the Exchange Act. 

                               40           
<PAGE>
EXCHANGE AGENT 

   The First National Bank of Chicago has been appointed as Exchange Agent 
for the Exchange Offer. Delivery of the Letters of Transmittal and any other 
required documents, questions, requests for assistance, and requests for 
additional copies of this Prospectus or of the Letter of Transmittal should 
be directed to the Exchange Agent as follows: 

                                   By Mail: 
                        (Registered or Certified Mail 
                                 recommended) 
                          The First National Bank of 
                                   Chicago 
                           c/o First Chicago Trust 
                             Company of New York 
                                14 Wall Street 
                             8th Floor, Window 2 
                           New York, New York 10005
 
                           Facsimile Transmissions: 
                         (Eligible Institutions Only) 
                                (212) 240-8938 

                           To Confirm by Telephone 
                           or for Information Call: 
                                (212) 240-8801 

                             By Hand or Overnight 
                                  Delivery: 
                          The First National Bank of 
                                   Chicago 
                           c/o First Chicago Trust 
                             Company of New York 
                                14 Wall Street 
                             8th Floor, Window 2 
                           New York, New York 10005 

   Delivery to other than the above addresses or facsimile number will not 
constitute a valid delivery. 

FEES AND EXPENSES 

   The Company has agreed to pay the Exchange Agent reasonable and customary 
fees for its services and will reimburse it for its reasonable out-of-pocket 
expenses in connection therewith. The Company will also pay brokerage houses 
and other custodians, nominees and fiduciaries the reasonable out-of-pocket 
expenses incurred by them in forwarding copies of this Prospectus and related 
documents to the beneficial owners of Original Capital Securities, and in 
handling or tendering for their customers. 

   Holders who tender their Original Capital Securities for exchange will not 
be obligated to pay any transfer taxes in connection therewith. If, however, 
Exchange Capital Securities are to be delivered to, or are to be issued in 
the name of, any person other than the registered holder of the Original 
Capital Securities tendered, or if a transfer tax is imposed for any reason 
other than the exchange of Original Capital Securities in connection with the 
Exchange Offer, then the amount of any such transfer taxes (whether imposed 
on the registered holder or any other persons) will be payable by the 
tendering holder. If satisfactory evidence of payment of such taxes or 
exemption therefrom is not submitted with the Letter of Transmittal, the 
amount of such transfer taxes will be billed directly to such tendering 
holder. 

   Neither the Company nor the Issuer Trust will make any payment to 
brokers,dealers or other nominees soliciting acceptances of the Exchange 
Offer. 

                               41           
<PAGE>
                      DESCRIPTION OF EXCHANGE SECURITIES 

   The terms of the Original Securities are identical in all materials 
respects to the Exchange Securities, except that (i) the Original Securities 
have not been registered under the Securities Act, are subject to certain 
restrictions on transfer and are entitled to certain rights under the 
applicable Registration Rights Agreement (which rights will terminate upon 
consummation of the Exchange Offer, except under limited circumstances), (ii) 
the Exchange Capital Securities will not contain the restrictions on transfer 
applicable to Original Capital Securities, (iii) the Exchange Capital 
Securities will not provide for any increase in the Distribution rate thereon 
and (iv) the Exchange Junior Subordinated Debentures will not provide for any 
increase in the interest rate thereon. The Original Securities provide that, 
in the event that a registration statement relating to the Exchange Offer has 
not been filed by October 13, 1997 and been declared effective by December 
12, 1997, or, in certain limited circumstances, in the event a shelf 
registration statement (the "Shelf Registration Statement") with respect to 
the resale of the Original Capital Securities is not declared effective by 
the time required by the Registration Rights Agreement, then liquidated 
damages will accrue at the rate of 0.25% per annum on the principal amount of 
the Original Junior Subordinated Debentures and Distributions will accrue at 
the rate of 0.25% per annum on the Liquidation Amount of the Original Capital 
Securities, for the period from the occurrence of such event until such time 
as such registration statement has been filed or declared effective, as the 
case may be. The Exchange Securities are not, and upon consummation of the 
Exchange Offer the Original Securities will not be, entitled to any such 
additional interest or Distributions. Accordingly, holders of Original 
Capital Securities should review the information set forth under "Risk 
Factors--Consequences of a Failure to Exchange Original Capital Securities" 
and "Description of Exchange Securities." 

DESCRIPTION OF EXCHANGE CAPITAL SECURITIES 

   The Exchange Capital Securities will represent preferred beneficial 
interests in the Issuer Trust and the holders thereof will be entitled to a 
preference over the Common Securities in certain circumstances with respect 
to Distributions and amounts payable on redemption of the Trust Securities or 
liquidation of the Issuer Trust. See "--Subordination of Common Securities." 
The Trust Agreement has been qualified under the Trust Indenture Act of 1939, 
as amended (the "Trust Indenture Act"). This summary of certain provisions of 
the Exchange Capital Securities, the Common Securities and the Trust 
Agreement does not purport to be complete and is subject to, and is qualified 
in its entirety by reference to, all the provisions of the Trust Agreement, 
including the definitions therein of certain terms. 

   Whenever particular defined terms of the Trust Agreement (as amended or 
supplemented from time to time) are referred to herein, such defined terms 
are incorporated herein by reference. The Trust Agreement is available upon 
request from the Issuer Trustees. 

   General. The Exchange Capital Securities will be limited to $110,000,000 
aggregate Liquidation Amount outstanding. The Exchange Capital Securities 
will rank pari passu, and payments will be made thereon pro rata, with the 
Common Securities except as described under "--Subordination of Common 
Securities." Legal title to the Junior Subordinated Debentures will be held 
by the Issuer Trust in trust for the benefit of the holders of the Trust 
Securities. The Exchange Guarantee Agreement executed by the Company for the 
benefit of the holders of the Exchange Capital Securities will be a guarantee 
on a subordinated basis with respect to the Exchange Capital Securities but 
will not guarantee payment of Distributions or amounts payable on redemption 
or liquidation of such Capital Securities when the Issuer Trust does not have 
funds on hand available to make such payments. See "Description of Exchange 
Guarantee." 

   Distributions. The Exchange Capital Securities represent undivided 
beneficial interests in the assets of the Issuer Trust, and Distributions on 
each Exchange Capital Security will be payable at a variable annual rate 
equal to LIBOR plus .91% on the stated Liquidation Amount of $1,000, payable 
quarterly in arrears on January 15, April 15, July 15, and October 15 of each 
year (each a "Distribution Date"), to the holders of the Exchange Capital 
Securities at the close of business on the January 1, April 1, July 1, and 
October 1, as the case may be, next preceding the relevant Distribution Date. 
Distributions on the Exchange Capital Securities will be cumulative. 
Distributions will accumulate from the date of original issuance. The amount 
of Distributions payable for any period will be computed on the basis of the 
actual 

                               42           
<PAGE>
number of days in the applicable Distribution period (which actual number of 
days shall include the first day but exclude the last day of such 
Distribution period) divided by 360. In the event that any date on which 
Distributions are payable on the Exchange Capital Securities is not a 
Business Day (as defined below), then payment of the Distributions payable on 
such date will be made on the next succeeding day that is a Business Day (and 
without any additional Distributions or other payment in respect of any such 
delay), except if such Business Day is in the next calendar year, such 
payment shall be made on the immediately preceding Business Day, in each case 
with the same force and effect as if made on the date such payment was 
originally payable. 

   So long as no Event of Default under the Junior Subordinated Indenture has 
occurred and is continuing, the Company has the right under the Junior 
Subordinated Indenture to defer the payment of interest on the Exchange 
Junior Subordinated Debentures at any time or from time to time for a period 
not exceeding 20 consecutive quarterly periods with respect to each Extension 
Period, provided that no Extension Period may extend beyond the Stated 
Maturity of the Exchange Junior Subordinated Debentures. As a consequence of 
any such election, quarterly Distributions on the Exchange Capital Securities 
will be deferred by the Issuer Trust during any such Extension Period. 
Distributions to which holders of the Exchange Capital Securities are 
entitled will accumulate additional Distributions thereon at the rate per 
annum equal to LIBOR plus .91% on the stated Liquidation Amount of $1,000 
thereof, compounded quarterly from the relevant payment date for such 
Distributions. The term "Distributions" as used herein shall include any such 
additional Distributions. During any such Extension Period, the Company may 
not, and may not permit any subsidiary of the Company to (i) declare or pay 
any dividends or distributions on, or redeem, purchase, acquire, or make a 
liquidation payment with respect to, any of the Company's capital stock, (ii) 
make any payment of principal, interest or premium, if any, on or repay, 
repurchase or redeem any debt securities of the Company that rank pari passu 
in all respects with or junior in interest to the Exchange Junior 
Subordinated Debentures or (iii) make any guarantee payments with respect to 
any guarantee by the Company of the debt securities of any subsidiary of the 
Company if such guarantee ranks pari passu with or junior in interest to the 
Exchange Junior Subordinated Debentures (other than (a) dividends or 
distributions in common stock of the Company, (b) any declaration of a 
dividend in connection with the implementation of a stockholders' rights 
plan, or the issuance of stock under any such plan in the future, or the 
redemption or repurchase of any such rights pursuant thereto, (c) payments 
under the Guarantee and (d) purchases of common stock related to the issuance 
of common stock or rights under any of the Company's or its subsidiaries' 
benefit plans for their directors, officers or employees). Prior to the 
termination of any such Extension Period, the Company may further defer the 
payment of interest, provided that no Extension Period may exceed 20 
consecutive quarterly periods or extend beyond the Stated Maturity of the 
Exchange Junior Subordinated Debentures. Upon the termination of any such 
Extension Period and the payment of all amounts then due, the Company may 
elect to begin a new Extension Period. There is no limitation on the number 
of times that the Company may elect to begin an Extension Period. See 
"Description of Exchange Junior Subordinated Debentures--Option To Extend 
Interest Payment Period" and "Certain Federal Income Tax 
Consequences--Interest Income and Original Issue Discount." 

   The Company has no current intention of exercising its right to defer 
payments of interest by extending the interest payment period on the Exchange 
Junior Subordinated Debentures. 

   The revenue of the Issuer Trust available for distribution to holders of 
the Exchange Capital Securities will be limited to payments under the 
Exchange Junior Subordinated Debentures in which the Issuer Trust will invest 
the proceeds from the issuance and sale of the Capital Securities. See 
"Description of Exchange Junior Subordinated Debentures." If the Company does 
not make interest payments on the Junior Subordinated Debentures, the Issuer 
Trust will not have funds available to pay Distributions on the Capital 
Securities. The payment of Distributions (if and to the extent the Issuer 
Trust has funds legally available or the payment of such Distributions and 
cash sufficient to make such payments) is guaranteed by the Company on a 
limited basis as set forth herein under "Description of Exchange Guarantee." 

   Distribution Rate. LIBOR and the amount of Distributions payable in 
respect of each Distribution period will be calculated by First Chicago as 
Calculation Agent, in the same manner as LIBOR and the interest payable in 
respect of each interest payment period for the Exchange Junior Subordinated 
Debentures, as described under "Description of Exchange Junior Subordinated 
Debentures--Determination of Interest Rate." 

                               43           
<PAGE>
   Redemption. Upon the repayment or redemption, in whole or in part, of the 
Junior Subordinated Debentures, whether at maturity or upon earlier 
redemption as provided in the Junior Subordinated Indenture, the proceeds 
from such repayment or redemption shall be applied by the Property Trustee to 
redeem a Like Amount (as defined below) of the Trust Securities, upon not 
less than 30 nor more than 60 days' notice, at a redemption price (the 
"Redemption Price") equal to the aggregate Liquidation Amount of such Trust 
Securities plus accumulated but unpaid Distributions thereon to the date of 
redemption (the "Redemption Date"). See "Description of Exchange Junior 
Subordinated Debentures--Redemption." If less than all of the Junior 
Subordinated Debentures are to be repaid or redeemed on a Redemption Date, 
then the proceeds from such repayment or redemption shall be allocated to the 
redemption pro rata of the Capital Securities and the Common Securities. The 
amount of premium, if any, paid by the Company upon the redemption of all or 
any part of Junior Subordinated Debentures to be repaid or redeemed on a 
Redemption Date shall be allocated to the redemption pro rata of the Capital 
Securities and the Common Securities. 

   The Company has the right to redeem the Junior Subordinated Debentures (i) 
on or after July 15, 2007, in whole at any time or in part from time to time, 
or (ii) in whole (but not in part) prior to July 15, 2007 and within 90 days 
following the occurrence of a Tax Event. A redemption of the Junior 
Subordinated Debentures would cause a mandatory redemption of the Capital 
Securities and Common Securities. 

   "Business Day" means a day other than (i) a Saturday or a Sunday, (ii) a 
day on which banking institutions in The City of New York are authorized by 
law or executive order to remain closed, or (iii) a day on which the Property 
Trustee's corporate trust office or the corporate trust office of the 
Debenture Trustee is closed for business. 

   "Like Amount" means (i) with respect to a redemption of Capital 
Securities, Capital Securities having a Liquidation Amount (as defined below) 
equal to that portion of the principal amount of Junior Subordinated 
Debentures to be contemporaneously redeemed in accordance with the Junior 
Subordinated Debentures, allocated to the Common Securities and to the 
Capital Securities based upon the relative Liquidation Amounts of such 
classes and the proceeds of which will be used to pay the Redemption Price of 
the Capital Securities and (ii) with respect to a distribution of Junior 
Subordinated Debentures to holders of Capital Securities in connection with a 
dissolution or liquidation of the Issuer Trust, Junior Subordinated 
Debentures having a principal amount equal to the Liquidation Amount of the 
Capital Securities of the holder to whom such Junior Subordinated Debentures 
are distributed. 

   "Liquidation Amount" means the stated amount of $1,000 per Capital 
Security. 

   Payment of Additional Sums. In the event a Tax Event has occurred and is 
continuing and the Issuer Trust is the holder of all of the Junior 
Subordinated Debentures, the Company will pay Additional Sums (as defined 
below), if any, on the Junior Subordinated Debentures. 

   "Additional Sums" means the additional amounts as may be necessary in 
order that the amount of Distributions then due and payable by the Issuer 
Trust on the outstanding Capital Securities and Common Securities of the 
Issuer Trust shall not be reduced as a result of any additional taxes, duties 
and other governmental charges to which the Issuer Trust has become subject 
as a result of a Tax Event. 

   Redemption Procedures. Exchange Capital Securities redeemed on each 
Redemption Date shall be redeemed at the Redemption Price with the applicable 
proceeds from the contemporaneous redemption of the Exchange Junior 
Subordinated Debentures. Redemptions of the Exchange Capital Securities shall 
be made and the Redemption Price shall be payable on each Redemption Date 
only to the extent that the Issuer Trust has funds on hand available for the 
payment of such Redemption Price. See also "--Subordination of Common 
Securities." 

   If the Issuer Trust gives a notice of redemption in respect of the 
Exchange Capital Securities, then, by 12:00 noon, New York City time, on the 
Redemption Date, to the extent funds are available, in the case of Exchange 
Capital Securities held in book-entry form, the Property Trustee will deposit 
irrevocably with DTC funds sufficient to pay the applicable Redemption Price 
and will give DTC irrevocable instructions and authority to pay the 
Redemption Price to the holders of the Exchange Capital Securities. With 
respect 

                               44           
<PAGE>
to Exchange Capital Securities not held in book-entry form, the Property 
Trustee, to the extent funds are available, will irrevocably deposit with the 
paying agent for the Exchange Capital Securities funds sufficient to pay the 
applicable Redemption Price and will give such paying agent irrevocable 
instructions and authority to pay the Redemption Price to the holders thereof 
upon surrender of their certificates evidencing the Exchange Capital 
Securities. Notwithstanding the foregoing, Distributions payable on or prior 
to the Redemption Date for any Exchange Capital Securities called for 
redemption shall be payable to the holders of the Exchange Capital Securities 
on the relevant record dates for the related Distribution Dates. If notice of 
redemption shall have been given and funds deposited as required, then upon 
the date of such deposit, all rights of the holders of such Exchange Capital 
Securities so called for redemption will cease, except the right of the 
holders of such Exchange Capital Securities to receive the Redemption Price, 
but without interest on such Redemption Price, and such Exchange Capital 
Securities will cease to be outstanding. In the event that any date fixed for 
redemption of Exchange Capital Securities is not a Business Day, then payment 
of the Redemption Price payable on such date will be made on the next 
succeeding day which is a Business Day (and without any interest or other 
payment in respect of any such delay), except that, if such Business Day 
falls in the next calendar year, such payment will be made on the immediately 
preceding Business Day. In the event that payment of the Redemption Price in 
respect of Exchange Capital Securities called for redemption is improperly 
withheld or refused and not paid either by the Issuer Trust or by the Company 
pursuant to the Exchange Guarantee as described under "Description of 
Exchange Guarantee," Distributions on such Exchange Capital Securities will 
continue to accrue at the then applicable rate, from the Redemption Date 
originally established by the Issuer Trust for such Exchange Capital 
Securities to the date such Redemption Price is actually paid, in which case 
the actual payment date will be the date fixed for redemption for purposes of 
calculating the Redemption Price. 

   Subject to applicable law (including, without limitation, United States 
federal securities law), the Company or its subsidiaries may at any time and 
from time to time purchase outstanding Capital Securities by tender, in the 
open market or by private agreement. 

   If less than all of the Capital Securities and Common Securities are to be 
redeemed on a Redemption Date, then the aggregate Liquidation Amount of such 
Capital Securities and Common Securities to be redeemed shall be allocated 
pro rata to the Capital Securities and the Common Securities based upon the 
relative Liquidation Amounts of such classes. The particular Capital 
Securities to be redeemed shall be selected on a pro rata basis not more than 
60 days prior to the Redemption Date by the Property Trustee from the 
outstanding Capital Securities not previously called for redemption. The 
Property Trustee shall promptly notify the trust registrar in writing of the 
Capital Securities selected for redemption and, in the case of any Capital 
Securities selected for partial redemption, the Liquidation Amount thereof to 
be redeemed. For all purposes of the Trust Agreement, unless the context 
otherwise requires, all provisions relating to the redemption of Capital 
Securities shall relate, in the case of any Capital Securities redeemed or to 
be redeemed only in part, to the portion of the aggregate Liquidation Amount 
of Capital Securities which has been or is to be redeemed. 

   Notice of any redemption will be mailed at least 30 days but not more than 
60 days before the Redemption Date to each holder of Capital Securities to be 
redeemed at its registered address. Unless the Company defaults in payment of 
the Redemption Price on the Junior Subordinated Debentures, on and after the 
Redemption Date interest will cease to accrue on the Junior Subordinated 
Debentures or portions thereof (and distributions will cease to accumulate on 
the Capital Securities or portions thereof) called for redemption. 

   Conditional Right to Shorten Maturity or Redeem upon a Tax Event. If a Tax 
Event occurs then the Company shall have the right, prior to the termination 
of the Issuer Trust, (i) to shorten the Stated Maturity of the Junior 
Subordinated Debentures to the minimum extent required, but in any event to a 
date not earlier than April 15, 2012 (the action referred to in this clause 
(i) being referred to herein as a "Maturity Advancement"), such that, in the 
opinion of counsel to the Company experienced in such matters, after 
advancing the Stated Maturity, interest paid on the Junior Subordinated 
Debentures will be deductible for federal income tax purposes, or (ii) to 
redeem the Junior Subordinated Debentures, in whole but not in part, at any 
time within 90 days following the occurrence of the Tax Event at a 

                               45           
<PAGE>
Redemption Price equal to 100% of the principal amount thereof plus accrued 
and unpaid interest thereon to the Redemption Date. See "Description of 
Exchange Capital Securities--Redemption" and "Description of Exchange Junior 
Subordinated Debentures--General" and "--Redemption". 

   Holders of Capital Securities should consult their own tax advisors 
regarding the tax consequences to them of a Maturity Advancement. 

   See "Certain Federal Tax Law Considerations--Possible Tax Law Changes" and 
"Risk Factors--Tax Event Shortening of Maturity or Redemption" and 
"--Possible Tax Law Changes Affecting the Capital Securities" for a 
discussion of previous legislative proposals. The adoption of similar 
legislation could give rise to a Tax Event, which may permit the Company to 
shorten the Stated Maturity of the Junior Subordinated Debentures or cause a 
redemption of the Capital Securities prior to July 15, 2007. 

   Subordination of Common Securities. Payment of Distributions on, and the 
Redemption Price of, the Issuer Trust's Capital Securities and Common 
Securities, as applicable, shall be made pro rata based on the Liquidation 
Amount of such Capital Securities and Common Securities; provided, however, 
that if on any Distribution Date or Redemption Date a Debenture Event of 
Default shall have occurred and be continuing, no payment of any Distribution 
on, or Redemption Price of, any of the Common Securities, and no other 
payment on account of the redemption, liquidation or other acquisition of 
such Common Securities, shall be made unless payment in full in cash of all 
accumulated and unpaid Distributions on all of the outstanding Capital 
Securities for all Distribution periods terminating on or prior thereto, or 
in the case of payment of the Redemption Price the full amount of such 
Redemption Price on all of the outstanding Capital Securities then called for 
redemption, shall have been made or provided for, and all funds available to 
the Property Trustee shall first be applied to the payment in full in cash of 
all Distributions on, or Redemption Price of, the Capital Securities then due 
and payable. 

   In the case of any Event of Default resulting from a Debenture Event of 
Default, the Company as holder of the Common Securities will be deemed to 
have waived any right to act with respect to any such Event of Default under 
the Trust Agreement until the effect of all such Events of Default with 
respect to such Capital Securities have been cured, waived or otherwise 
eliminated. Until any such Events of Default under the Trust Agreement with 
respect to the Capital Securities have been so cured, waived or otherwise 
eliminated, the Property Trustee shall act solely on behalf of the holders of 
such Capital Securities and not on behalf of the Company as holder of the 
Common Securities, and only the holders of such Capital Securities will have 
the right to direct the Property Trustee to act on their behalf. 

   Liquidation Distribution Upon Termination. The amount payable on the 
Capital Securities in the event of any liquidation of the Issuer Trust is 
$1,000 per Capital Security plus accumulated and unpaid Distributions, which 
may be in the form of a distribution of such amount in Junior Subordinated 
Debentures, subject to certain exceptions. 

   The holders of all of the outstanding Common Securities have the right at 
any time to terminate the Issuer Trust and, after satisfaction of the 
liabilities of creditors of the Issuer Trust as provided by applicable law, 
cause the Junior Subordinated Debentures to be distributed to the holders of 
the Capital Securities and Common Securities in liquidation of the Issuer 
Trust, subject to (i) the Property Trustee having received an opinion of 
counsel to the effect that such distribution will not be a taxable event to 
holders of Capital Securities. 

   Pursuant to the Trust Agreement, the Issuer Trust shall automatically 
terminate upon expiration of its term and shall terminate on the first to 
occur of: (i) certain events of bankruptcy, dissolution or liquidation of the 
Company; (ii) the distribution of a Like Amount of the Junior Subordinated 
Debentures to the holders of its Trust Securities, if the holders of Common 
Securities have given written direction to the Property Trustee to terminate 
the Issuer Trust (which direction, subject to the foregoing restrictions, is 
optional and wholly within the discretion of the holders of Common 
Securities); (iii) redemption of all of the Capital Securities as described 
under "Description of Exchange Capital Securities--Redemption" or (iv) the 
entry of an order for the dissolution of the Issuer Trust by a court of 
competent jurisdiction. 

                               46           
<PAGE>
   If an early termination occurs as described in clause (i), (ii) or (iv) 
above, the Issuer Trust shall be liquidated by the Issuer Trustees as 
expeditiously as the Issuer Trustees determine to be possible by 
distributing, after satisfaction of liabilities to creditors of the Issuer 
Trust as provided by applicable law, to the holders of such Trust Securities 
a Like Amount of the Junior Subordinated Debentures, unless such distribution 
is determined by the Property Trustee not to be practical, in which event 
such holders will be entitled to receive out of the assets of the Issuer 
Trust available for distribution to holders, after satisfaction of 
liabilities to creditors of the Issuer Trust as provided by applicable law, 
an amount equal to, in the case of holders of Capital Securities, the 
aggregate of the Liquidation Amount plus accumulated and unpaid Distributions 
thereon to the date of payment (such amount being the "Liquidation 
Distribution"). If such Liquidation Distribution can be paid only in part 
because the Issuer Trust has insufficient assets available to pay in full the 
aggregate Liquidation Distribution, then the amounts payable directly by the 
Issuer Trust on its Capital Securities shall be paid on a pro rata basis. The 
holder(s) of the Common Securities will be entitled to receive distributions 
upon any such liquidation pro rata with the holders of the Capital 
Securities, except that if a Debenture Event of Default has occurred and is 
continuing, the Capital Securities shall have a priority over the Common 
Securities. 

   After the liquidation date fixed for any distribution of Junior 
Subordinated Debentures (i) the Capital Securities will no longer be deemed 
to be outstanding, (ii) DTC or its nominee, as the record holder of the 
Capital Securities, will receive a registered global certificate or 
certificates representing the Junior Subordinated Debentures to be delivered 
upon such distribution with respect to Capital Securities held by DTC or its 
nominee and (iii) any certificates representing the Capital Securities not 
held by DTC or its nominee will be deemed to represent the Junior 
Subordinated Debentures having a principal amount equal to the stated 
Liquidation Amount of the Capital Securities and bearing accrued and unpaid 
interest in an amount equal to the accumulated and unpaid Distributions on 
the Capital Securities until such certificates are presented to the Security 
Registrar for transfer or reissuance. 

   If the Company does not redeem the Junior Subordinated Debentures prior to 
maturity and the Issuer Trust is not liquidated and the Junior Subordinated 
Debentures are not distributed to holders of the Capital Securities, the 
Capital Securities will remain outstanding until the repayment of the Junior 
Subordinated Debentures. 

   There can be no assurance as to the market prices for the Capital 
Securities or the Junior Subordinated Debentures that may be distributed in 
exchange for Capital Securities if a dissolution and liquidation of the 
Issuer Trust were to occur. Accordingly, the Capital Securities that an 
investor may purchase, or the Junior Subordinated Debentures that the 
investor may receive on dissolution and liquidation of the Issuer Trust, may 
trade at a discount to the price that the investor paid to purchase the 
Capital Securities offered hereby. 

   Events of Default; Notice. Any one of the following events constitutes an 
"Event of Default" under the Trust Agreement (an "Event of Default") with 
respect to the Capital Securities (whatever the reason for such Event of 
Default and whether it shall be voluntary or involuntary or be effected by 
operation of law or pursuant to any judgment, decree or order of any court or 
any order, rule or regulation of any administrative or governmental body): 

     (i) the occurrence of a Debenture Event of Default under the Exchange 
    Junior Subordinated Indenture (see "Description of Exchange Junior 
    Subordinated Debentures--Debenture Events of Default"); or 

     (ii) default by the Issuer Trust in the payment of any Distribution when 
    it becomes due and payable, and continuation of such default for a period 
    of 30 days (subject to the deferral of any due date in the case of an 
    Extension Period); or 

     (iii) default by the Issuer Trust in the payment of any Redemption Price 
    of any Trust Security when it becomes due and payable; or 

     (iv) default in the performance, or breach, in any material respect, of 
    any covenant or warranty of the Issuer Trustees in the Trust Agreement 
    (other than a covenant or warranty a default in the performance of which 
    or the breach of which is dealt with in clause (ii) or (iii) above), and 

                               47           
<PAGE>
    continuation of such default or breach for a period of 90 days after there 
    has been given, by registered or certified mail, to the Issuer Trustees by 
    the holders of at least 25% in aggregate Liquidation Amount of the 
    outstanding Capital Securities a written notice specifying such default or 
    breach and requiring it to be remedied and stating that such notice is a 
    "Notice of Default" under the Trust Agreement; or 

     (v) the occurrence of certain events of bankruptcy or insolvency with 
    respect to the Property Trustee if a successor Property Trustee has not 
    been appointed within 90 days thereof. 

   Within five Business Days after the occurrence of any Event of Default 
actually known to the Property Trustee, the Property Trustee shall transmit 
notice of such Event of Default to the holders of Trust Securities and the 
Administrators, unless such Event of Default shall have been cured or waived. 
The Company, as Depositor, and the Administrators are required to file 
annually with the Property Trustee a certificate as to whether or not they 
are in compliance with all the conditions and covenants applicable to them 
under the Trust Agreement. 

   If a Debenture Event of Default has occurred and is continuing, the 
Capital Securities shall have a preference over the Common Securities upon 
termination of the Issuer Trust as described above. See "--Liquidation 
Distribution Upon Termination." The existence of an Event of Default does not 
entitle the holders of Capital Securities to accelerate the maturity thereof. 

   Removal of Issuer Trustees; Appointment of Successors. The holders of a 
majority in Liquidation Amount of Capital Securities may remove an Issuer 
Trustee for cause or, if an Event of Default has occurred and is continuing, 
with or without cause. Unless an Event of Default described in (i), (ii) or 
(iii) of the definition thereof or an event which with notice and/or lapse of 
time would constitute such an Event of Default (collectively, an "Issuer 
Trust Default") shall have occurred and be continuing, any Issuer Trustee may 
be removed at any time by the holder of the Common Securities. If an Issuer 
Trustee shall resign, be removed by the holder of Common Securities or the 
holder of Capital Securities, become incapable of acting as trustee, or if a 
vacancy shall occur in the office of any Issuer Trustee for any cause, (i) if 
an Issuer Trust Default has not occurred, or has occurred and is not 
continuing, the holder of the Common Securities, or (ii) if an Issuer Trust 
Default has occurred and is continuing, the applicable Issuer Trustee (unless 
a Debenture Event of Default has occurred and is continuing), or the holders 
of at least 25% in Liquidation Amount of Capital Securities, shall appoint a 
successor. If a successor has not been appointed, any holder of Capital 
Securities or Common Securities or the Property Trustee may petition a court 
in the State of Delaware to appoint a successor. Any Delaware Trustee must 
meet the applicable requirements of Delaware law. Any Property Trustee must 
be a national or state-chartered bank and at the time of appointment have 
capital and surplus of at least $50,000,000. No resignation or removal of an 
Issuer Trustee and no appointment of a successor trustee shall be effective 
until the acceptance of appointment by the successor trustee in accordance 
with the provisions of the Trust Agreement. 

   Merger or Consolidation of Issuer Trustees. Any entity into which the 
Property Trustee or the Delaware Trustee may be merged or converted or with 
which it may be consolidated, or any entity resulting from any merger, 
conversion or consolidation to which such Trustee shall be a party, or any 
entity succeeding to all or substantially all the corporate trust business of 
such Trustee, shall be the successor of such Trustee under the Trust 
Agreement, provided such entity shall be otherwise qualified and eligible. 

   Mergers, Consolidations, Amalgamations or Replacements of the Issuer 
Trust. The Issuer Trust may not merge with or into, consolidate, amalgamate, 
or be replaced by, or convey, transfer or lease its properties and assets 
substantially as an entirety, to any entity, except as described below or as 
otherwise set forth in the Trust Agreement. The Issuer Trust may, at the 
request of the holder of the Common Securities and with the consent of the 
Administrative Trustees, but without the consent of the holders of the 
outstanding Trust Securities, merge with or into, consolidate, amalgamate, or 
be replaced by or convey, transfer or lease its properties and assets 
substantially as an entirety to a trust organized as such under the laws of 
any State; provided, that (i) such successor entity either (a) expressly 
assumes all of the obligations of the Issuer Trust with respect to the 
Capital Securities or (b) substitutes for the Capital Securities other 
securities having substantially the same terms as the Capital Securities (the 
"Successor Securities") so long as the Successor Securities rank the same as 
the Capital Securities rank in priority 

                               48           
<PAGE>
with respect to distributions and payments upon liquidation, redemption and 
otherwise, (ii) a trustee of such successor entity is appointed possessing 
the same powers and duties as the Property Trustee as the holder of the 
Junior Subordinated Debentures, (iii) such merger, consolidation, 
amalgamation, replacement, conveyance, transfer or lease does not cause the 
Capital Securities (including any Successor Securities) to be downgraded by 
any nationally recognized statistical rating organization, (iv) such merger, 
consolidation, amalgamation, replacement, conveyance, transfer or lease does 
not adversely affect the rights, preferences and privileges of the holders of 
the Capital Securities (including any Successor Securities) in any material 
respect, (v) such successor entity has a purpose substantially identical to 
that of the Issuer Trust, (vi) prior to such merger, consolidation, 
amalgamation, replacement, conveyance, transfer or lease, the Issuer Trust 
has received an opinion from independent counsel experienced in such matters 
to the effect that (a) such merger, consolidation, amalgamation, replacement, 
conveyance, transfer or lease does not adversely affect the rights, 
preferences and privileges of the holders of the Capital Securities 
(including any Successor Securities) in any material respect and (b) 
following such merger, consolidation, amalgamation, replacement, conveyance, 
transfer or lease, neither the Issuer Trust nor such successor entity will be 
required to register as an investment Company under the Investment Company 
Act of 1940, as amended (the "Investment Company Act"), and (vii) the Company 
or any permitted successor or assignee owns all of the common securities of 
such successor entity and guarantees the obligations of such successor entity 
under the Successor Securities at least to the extent provided by the 
Guarantee. Notwithstanding the foregoing, the Issuer Trust shall not, except 
with the consent of each holder of Capital Securities, consolidate, 
amalgamate, merge with or into, or be replaced by or convey, transfer or 
lease its properties and assets substantially as an entirety to any other 
entity or permit any other entity to consolidate, amalgamate, merge with or 
into, or replace it if such consolidation, amalgamation, merger, replacement, 
conveyance, transfer or lease would cause the Issuer Trust or the successor 
entity to be classified as other than a grantor trust for United States 
federal income tax purposes. 

   Voting Rights; Amendment of Trust Agreement. Except as provided below and 
under "Description of Exchange Guarantee--Amendments and Assignment" and as 
otherwise required by law and the Trust Agreement, the holders of the Capital 
Securities will have no voting rights. 

   The Trust Agreement may be amended from time to time by the holders of a 
majority of the Common Securities and the Property Trustee, without the 
consent of the holders of the Capital Securities (i) to cure any ambiguity, 
correct or supplement any provisions in the Trust Agreement that may be 
inconsistent with any other provision, or to make any other provisions with 
respect to matters or questions arising under the Trust Agreement, which 
shall not be inconsistent with the other provisions of the Trust Agreement, 
or (ii) to modify, eliminate or add to any provisions of the Trust Agreement 
to such extent as shall be necessary to ensure that the Issuer Trust will be 
classified for United States federal income tax purposes as a grantor trust 
at all times that any Trust Securities are outstanding or to ensure that the 
Issuer Trust will not be required to register as an "investment company" 
under the Investment Company Act; provided, however, such action shall not 
adversely affect in any material respect the interests of any holder of Trust 
Securities, and any amendments of the Trust Agreement shall become effective 
when notice thereof is given to the holders of Trust Securities. The Trust 
Agreement may be amended by the holders of a majority of the Common 
Securities and the Property Trustee with (i) the consent of holders 
representing not less than a majority (based upon Liquidation Amounts) of the 
outstanding Capital Securities and (ii) receipt by the Issuer Trustees of an 
opinion of counsel to the effect that such amendment or the exercise of any 
power granted to the Issuer Trustees in accordance with such amendment will 
not affect the Issuer Trust's status as a grantor trust for United States 
federal income tax purposes or the Issuer Trust's exemption from status as an 
"investment company" under the Investment Company Act. Notwithstanding the 
foregoing, without the consent of each holder of Trust Securities, the Trust 
Agreement may not be amended to (i) change the amount or timing of any 
Distribution on the Trust Securities or otherwise adversely affect the amount 
of any Distribution required to be made in respect of the Trust Securities as 
of a specified date or (ii) restrict the right of a holder of Trust 
Securities to institute suit for the enforcement of any such payment on or 
after such date. The Exchange Capital Securities and any Original Capital 
Securities which remain outstanding after consummation of the Exchange Offer 
will vote together as a single class for purposes of determining whether 
holders of the requisite percentage in outstanding Liquidation Amount thereof 
have taken certain actions or exercised certain rights under the Trust 
Agreement. 

                               49           
<PAGE>
   So long as any Junior Subordinated Debentures are held by the Issuer 
Trust, the Issuer Trustees shall not (i) direct the time, method and place of 
conducting any proceeding for any remedy available to the Debenture Trustee, 
or executing any trust or power conferred on the Property Trustee with 
respect to the Junior Subordinated Debentures, (ii) waive any past default 
that is waivable under Section 5.13 of the Junior Subordinated Indenture, 
(iii) exercise any right to rescind or annul a declaration that the principal 
of all the Junior Subordinated Debentures shall be due and payable or (iv) 
consent to any amendment, modification or termination of the Junior 
Subordinated Indenture or the Junior Subordinated Debentures, where such 
consent shall be required, without, in each case, obtaining the prior 
approval of the holders of a majority in aggregate Liquidation Amount of all 
outstanding Capital Securities; provided, however, that where a consent under 
the Junior Subordinated Indenture would require the consent of each holder of 
Junior Subordinated Debentures affected thereby, no such consent shall be 
given by the Property Trustee without the prior consent of each holder of the 
Capital Securities. The Issuer Trustees shall not revoke any action 
previously authorized or approved by a vote of the holders of the Capital 
Securities except by subsequent vote of the holders of the Capital 
Securities. The Property Trustee shall notify each holder of Capital 
Securities of any notice of default with respect to the Junior Subordinated 
Debentures. In addition to obtaining the foregoing approvals of the holders 
of the Capital Securities, prior to taking any of the foregoing actions, the 
Issuer Trustees shall obtain an opinion of counsel experienced in such 
matters to the effect that the Issuer Trust will not be classified as an 
association taxable as a corporation for United States federal income tax 
purposes on account of such action. 

   Any required approval of holders of Exchange Capital Securities may be 
given at a meeting of holders of Exchange Capital Securities convened for 
such purpose or pursuant to written consent. The Property Trustee will cause 
a notice of any meeting at which holders of Exchange Capital Securities are 
entitled to vote, or of any matter upon which action by written consent of 
such holders is to be taken, to be given to each holder of record of Exchange 
Capital Securities in the manner set forth in the Trust Agreement. 

   No vote or consent of the holders of Capital Securities will be required 
to redeem and cancel Capital Securities in accordance with the Trust 
Agreement. 

   Notwithstanding that holders of Capital Securities are entitled to vote or 
consent under any of the circumstances described above, any of the Capital 
Securities that are owned by the Company, the Issuer Trustees or any 
affiliate of the Company or any Issuer Trustee shall, for purposes of such 
vote or consent, be treated as if they were not outstanding. 

   Form, Denomination, Book-Entry Procedures and Transfer. The Exchange 
Capital Securities initially will be represented by one or more Capital 
Securities in registered, global form (collectively, the "Global Capital 
Securities"). The Global Capital Securities will be deposited upon issuance 
with the Property Trustee as custodian for DTC, in New York, New York, and 
registered in the name of DTC or its nominee, in each case for credit to an 
account of a direct or indirect participant in DTC as described below. 

   Except as set forth below, the Global Capital Securities may be 
transferred, in whole and not in part, only to another nominee of DTC or to a 
successor of DTC or its nominee, and such transfer shall be effective only 
when reflected in the securities register maintained by or on behalf of the 
Issuer Trust. Beneficial interests in the Global Capital Securities may not 
be exchanged for Capital Securities in certificated form except in the 
limited circumstances described below. See "--Exchange of Book-Entry Capital 
Securities for Certificated Capital Securities". 

   Other Capital Securities will be issued only in registered, certificated 
(i.e., non-global) form. Other Capital Securities may not be exchanged for 
beneficial interests in any Global Capital Securities except in the limited 
circumstances described below. See "--Exchange of Certificated Capital 
Securities for Book-Entry Capital Securities". 

   Depositary Procedures. DTC has advised the Issuer Trust and the Company 
that DTC is a limited-purpose trust Company created to hold securities for 
its participating organizations (collectively, the "Participants") and to 
facilitate the clearance and settlement of transactions in those securities 

                               50           
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between Participants through electronic book-entry changes in accounts of its 
Participants. The Participants include securities brokers and dealers 
(including the Initial Purchasers), banks, trust companies, clearing 
Corporations and certain other organizations. Access to DTC's system is also 
available to other entities such as banks, brokers, and trust companies that 
clear through or maintain a custodial relationship with a Participant, either 
directly or indirectly (collectively, the "Indirect Participants"). Persons 
who are not Participants may beneficially own securities held by or on behalf 
of DTC only through the Participants or the Indirect Participants. The 
ownership and transfer of ownership interest of each actual purchaser of each 
security held by or on behalf of DTC are recorded on the records of the 
Participants and Indirect Participants. 

   DTC has also advised the Issuer Trust and the Company that, pursuant to 
procedures established by it, (i) upon deposit of the Global Capital 
Securities, DTC will credit the accounts of Participants designated by the 
Initial Purchasers with portions of the Liquidation Amount of the Global 
Capital Securities and (ii) ownership of such interests in the Global Capital 
Securities will be shown on, and the transfer of ownership thereof will be 
effected only through, records maintained by DTC (with respect to the 
Participants) or by the Participants and the Indirect Participants (with 
respect to other owners of beneficial interests in the Global Capital 
Securities). 

   Investors in the Global Capital Securities may hold their interests 
directly through DTC if they are participants in such system, or indirectly 
through organizations which are participants in such system. All interests in 
a Global Capital Security may be subject to the procedures and requirements 
of DTC. The laws of some states require that certain persons take physical 
delivery in certificated form of securities that they own. Consequently, the 
ability to transfer beneficial interests in a Global Capital Security to such 
persons will be limited to that extent. Because DTC can act only on behalf of 
Participants, which in turn act on behalf of Indirect Participants and 
certain banks, the ability of a person having beneficial interests in a 
Global Capital Security to pledge such interests to persons or entities that 
do not participate in the DTC system, or otherwise take actions in respect of 
such interests, may be affected by the lack of a physical certificate 
evidencing such interests. For certain other restrictions on the 
transferability of the Capital Securities, see "--Exchange of Book-Entry 
Capital Securities for Certificated Capital Securities" and "--Exchange of 
Certificated Capital Securities for Book-Entry Capital Securities". 

   Except as described below, owners of interests in the Global Capital 
Securities will not have Capital Securities registered in their name, will 
not receive physical delivery of Capital Securities in certificated form and 
will not be considered the registered owners or holders thereof under the 
Issuer Trust Agreement for any purpose. 

   Payments in respect of the Global Capital Security registered in the name 
of DTC or its nominee will be payable by the Property Trustee to DTC in its 
capacity as the registered holder under the Trust Agreement. Under the terms 
of the Trust Agreement, the Property Trustee will treat the persons in whose 
names the Capital Securities, including the Global Capital Securities, are 
registered as the owners thereof for the purpose of receiving such payments 
and for any and all other purposes whatsoever. Consequently, neither the 
Property Trustee nor any agent thereof has or will have any responsibility or 
liability for (i) any aspect of DTC's records or any Participant's or 
Indirect Participant's records relating to or payments made on account of 
beneficial ownership interests in the Global Capital Securities, or for 
maintaining, supervising or reviewing any of DTC's records or any 
Participant's or Indirect Participant's records relating to the beneficial 
ownership interests in the Global Capital Securities or (ii) any other matter 
relating to the actions and practices of DTC or any of its Participants or 
Indirect Participants. DTC has advised the Issuer Trust and the Company that 
its current practice, upon receipt of any payment in respect of securities 
such as the Capital Securities, is to credit the accounts of the relevant 
Participants with the payment on the payment date, in amounts proportionate 
to their respective holdings in Liquidation Amount of beneficial interests in 
the relevant security as shown on the records of DTC unless DTC has reason to 
believe it will not receive payment on such payment date. Payments by the 
Participants and the Indirect Participants to the beneficial owners of 
Capital Securities will be governed by standing instructions and customary 
practices and will be the responsibility of the Participants or the Indirect 
Participants and will not be the responsibility of DTC, the Property Trustee, 
the Issuer Trust or the Company. Neither the Issuer Trust or the Company nor 
the Property Trustee will be liable for any delay 

                               51           
<PAGE>
by DTC or any of its Participants in identifying the beneficial owners of the 
Capital Securities, and the Issuer Trust or the Company and the Property 
Trustee may conclusively rely on and will be protected in relying on 
instructions from DTC or its nominee for all purposes. 

   Secondary market trading activity in interests in the Global Capital 
Securities will settle in immediately available funds, subject in all cases 
to the rules and procedures of DTC and its participants. Transfers between 
Participants in DTC will be effected in accordance with DTC's procedures, and 
will be settled in same-day funds. 

   DTC has advised the Issuer Trust and the Company that it will take any 
action permitted to be taken by a holder of Capital Securities only at the 
direction of one or more Participants to whose account with DTC interests in 
the Global Capital Securities are credited and only in respect of such 
portion of the Liquidation Amount of the Capital Securities as to which such 
Participant or Participants has or have given such direction. However, if 
there is an Event of Default under the Trust Agreement, DTC reserves the 
right to exchange the Global Capital Securities for legended Capital 
Securities in certificated form and to distribute such Capital Securities to 
its Participants. 

   The information in this section concerning DTC and its book-entry systems 
has been obtained from sources that the Issuer Trust and the Company believe 
to be reliable, but neither the Issuer Trust nor the Company takes 
responsibility for the accuracy thereof. 

   Although DTC has agreed to the foregoing procedures to facilitate 
transfers of interest in the Global Capital Securities among participants in 
DTC, they are under no obligation to perform or to continue to perform such 
procedures, and such procedures may be discontinued at any time. Neither the 
Issuer Trust or the Company nor the Property Trustee will have any 
responsibility for the performance by DTC or its participants or indirect 
participants of their respective obligations under the rules and procedures 
governing their operations. 

   Exchange of Book-Entry Capital Securities for Certificated Capital 
Securities. A Global Capital Security is exchangeable for Exchange Capital 
Securities in registered certificated form if (i) DTC (x) notifies the Issuer 
Trust that it is unwilling or unable to continue as Depositary for the Global 
Capital Security and the Issuer Trust thereupon fails to appoint a successor 
Depositary within 90 days or (y) has ceased to be a clearing agency 
registered under the Exchange Act, (ii) the Company in its sole discretion 
elects to cause the issuance of the Exchange Capital Securities in 
certificated form or (iii) there shall have occurred and be continuing an 
Event of Default or any event which after notice or lapse of time or both 
would be an Event of Default under the Trust Agreement. In all cases, 
certificated Capital Securities delivered in exchange for any Global Capital 
Security or beneficial interests therein will be registered in the names, and 
issued in any approved denominations, requested by or on behalf of the 
Depositary (in accordance with its customary procedures). 

   Exchange of Certificated Capital Securities for Book-Entry Capital 
Securities. Other Capital Securities, which will be issued in certificated 
form, may not be exchanged for beneficial interests in any Global Capital 
Security unless such exchange occurs in connection with a transfer of such 
Other Capital Securities and the transferor first delivers to the Property 
Trustee a written certificate (in the form provided in the Trust Agreement) 
to the effect that such transfer will comply with the appropriate transfer 
restrictions applicable to such Capital Securities. 

   Payment and Paying Agency. Payments in respect of the Exchange Capital 
Securities shall be made to DTC, which shall credit the relevant accounts at 
DTC on the applicable Distribution Dates or, if the Issuer Trust's Exchange 
Capital Securities are not held by DTC, such payments may be made, at the 
option of the Company, by check mailed to the address of the holder entitled 
thereto as such address shall appear on the Security Register or by wire 
transfer. The paying agent (the "Paying Agent") shall initially be the 
Property Trustee and any co-paying agent chosen by the Property Trustee and 
acceptable to the Administrators. The Paying Agent shall be permitted to 
resign as Paying Agent upon 30 days' written notice to the Property Trustee 
and the Administrators. In the event that the Property Trustee shall no 
longer be the Paying Agent, the Company, or if an Issuer Trust Default shall 
have occurred and be continuing, the Property Trustee shall appoint a 
successor (which shall be a bank or trust Company reasonably acceptable to 
the Administrators) to act as Paying Agent. 

                               52           
<PAGE>
   First Chicago has informed the Issuer Trust that so long as it serves as 
paying agent for the Exchange Capital Securities, it anticipates that 
information regarding Distributions on the Capital Securities, including 
payment date, record date and redemption information, will be made available 
through First Chicago. 

   Registrar and Transfer Agent. The Property Trustee will act as registrar 
and transfer agent for the Capital Securities. 

   Registration of transfers of Capital Securities will be effected without 
charge by or on behalf of the Issuer Trust, but upon payment of any tax or 
other governmental charges that may be imposed in connection with any 
transfer or exchange. The Issuer Trust will not be required to register or 
cause to be registered the transfer of its Capital Securities after such 
Capital Securities have been called for redemption. 

   Information Concerning the Property Trustee. The Property Trustee, other 
than during the occurrence and continuance of an Event of Default, undertakes 
to perform only such duties as are specifically set forth in the Trust 
Agreement and, after such Event of Default, must exercise the same degree of 
care and skill as a prudent person would exercise or use in the conduct of 
his or her own affairs. Subject to this provision, the Property Trustee is 
under no obligation to exercise any of the powers vested in it by the Trust 
Agreement at the request of any holder of Capital Securities unless it is 
offered reasonable indemnity against the costs, expenses and liabilities that 
might be incurred thereby. If no Event of Default has occurred and is 
continuing and the Property Trustee is required to decide between alternative 
courses of action, construe ambiguous provisions in the Trust Agreement or is 
unsure of the application of any provision of the Trust Agreement, and the 
matter is not one on which holders of Capital Securities are entitled under 
the Trust Agreement to vote, then the Property Trustee shall take such action 
as it deems advisable and in the best interests of the holders of the Trust 
Securities and will have no liability except for its own bad faith, 
negligence or willful misconduct. 

   For information concerning the relationship between First Chicago, the 
Property Trustee, and the Company, see "Description of Exchange Junior 
Subordinated Debentures--Information Concerning the Debenture Trustee." 

   Miscellaneous. The Administrators and the Property Trustee are authorized 
and directed to conduct the affairs of and to operate the Issuer Trust in 
such a way that the Issuer Trust will not be deemed to be an "investment 
Company" required to be registered under the Investment Company Act or 
classified as an association taxable as a Corporation for United States 
federal income tax purposes and so that the Junior Subordinated Debentures 
will be treated as indebtedness of the Company for United States federal 
income tax purposes. In this connection, the Property Trustee and the holders 
of Common Securities are authorized to take any action, not inconsistent with 
applicable law, the certificate of trust of the Issuer Trust or the Trust 
Agreement, that the Property Trustee and the holders of Common Securities 
determine in their discretion to be necessary or desirable for such purposes, 
as long as such action does not materially adversely affect the interests of 
the holders of the Capital Securities. 

   Holders of the Capital Securities have no preemptive or similar rights. 

   The Issuer Trust may not borrow money or issue debt or mortgage or pledge 
any of its assets. 

DESCRIPTION OF EXCHANGE JUNIOR SUBORDINATED DEBENTURES 

   The Exchange Junior Subordinated Debentures are to be issued under the 
Junior Subordinated Indenture, between the Company and the Debenture Trustee. 
This summary of certain terms and provisions of the Exchange Junior 
Subordinated Debentures and the Junior Subordinated Indenture does not 
purport to be complete and is subject to, and is qualified in its entirety by 
reference to, the Junior Subordinated Indenture, a copy of which will be 
available from the Debenture Trustee upon request. Whenever particular 
defined terms of the Junior Subordinated Indenture (as supplemented or 
amended from time to time) are referred to herein, such defined terms are 
incorporated herein by reference. 

   General. Concurrently with the issuance of the Exchange Capital 
Securities, the Issuer Trust invested the proceeds thereof, together with the 
consideration paid by the Company for the Common 

                               53           
<PAGE>
Securities, in the Original Junior Subordinated Debentures issued by the 
Company. The Exchange Junior Subordinated Debentures will bear interest, 
accruing from July 15, 1997, at the variable annual rate of LIBOR plus .91% 
on the principal amount thereof, payable quarterly in arrears on January 15, 
April 15, July 15 and October 15 of each year (each, an "Interest Payment 
Date"), commencing October 15, 1997, to the person in whose name each 
Exchange Junior Subordinated Debenture is registered at the close of business 
on the January 1, April 1, July 1 and October 1 next preceding such Interest 
Payment Date. It is anticipated that, until the liquidation, if any, of the 
Issuer Trust, each Exchange Junior Subordinated Debenture will be held in the 
name of the Property Trustee for the benefit of the holders of the Trust 
Securities. The amount of interest payable for any period will be computed on 
the basis of the actual number of days in the applicable payment period 
(which actual number of days shall include the first day but exclude the last 
day of such payment period) divided by 360. In the event that any date on 
which interest is payable on the Exchange Junior Subordinated Debentures is 
not a Business Day, then payment of the interest payable on such date will be 
made on the next succeeding day that is a Business Day (and without any 
interest or other payment in respect of any such delay), except that, if such 
Business Day is in the next succeeding calendar year, such payment shall be 
made on the immediately preceding Business Day, in each case with the same 
force and effect as if made on the date such payment was originally payable. 
Accrued interest that is not paid on the applicable Interest Payment Date 
will bear additional interest on the amount thereof (to the extent permitted 
by law) at the variable rate per annum of LIBOR plus .91% on the principal 
amount thereof from the relevant payment date for such interest. The term 
"interest" as used herein shall include quarterly interest payments, interest 
on quarterly interest payments not paid on the applicable Interest Payment 
Date and Additional Sums (as defined below), as applicable. 

   The Exchange Junior Subordinated Debentures will mature on the Stated 
Maturity. 

   The Exchange Junior Subordinated Debentures will rank pari passu with the 
Original Junior Subordinated Debentures. The Exchange Junior Subordinated 
Debentures will be unsecured and will rank junior and be subordinate in right 
of payment to all Senior Indebtedness of the Company. Because the Company is 
a holding company, the right of the Company to participate in any 
distribution of assets of any subsidiary, upon such subsidiary's liquidation 
or reorganization or otherwise (and thus the ability of holders of the 
Capital Securities to benefit indirectly from such distribution), is subject 
to the prior claims of creditors of that subsidiary, except to the extent 
that the Company may itself be recognized as a creditor of that subsidiary. 
Accordingly, the Exchange Junior Subordinated Debentures will be effectively 
subordinated to all existing and future liabilities of the Company's 
subsidiaries, and holders of Exchange Junior Subordinated Debentures should 
look only to the assets of the Company for payments on the Exchange Junior 
Subordinated Debentures. See "HSB Group, Inc." The Junior Subordinated 
Indenture does not limit the incurrence or issuance of other secured or 
unsecured debt of the Company, including Senior Indebtedness, whether under 
the Junior Subordinated Indenture or any existing or other indenture that the 
Company may enter into in the future or otherwise. See "--Subordination." 

   Determination of Interest Rate. First Chicago, as Calculation Agent (the 
"Calculation Agent"), will calculate the interest rate for each quarterly 
interest period based on LIBOR determined as of two London Business Days 
(defined as any day, other than a Saturday or Sunday, on which banks are open 
for business in London) prior to the first day of such interest period (each, 
a "Determination Date"). "LIBOR" means, with respect to a quarterly interest 
period relating to an Interest Payment Date (in the following order of 
priority): 

     (1) the rate (expressed as a percentage per annum) for Eurodollar 
    deposits having a three-month maturity that appears on Telerate Page 3750 
    as of 11:00 a.m. (London time) on the related Determination Date; 

     (2) if such rate does not appear on Telerate Page 3750 as of 11:00 a.m. 
    (London time) on the related Determination Date, LIBOR will be the 
    arithmetic mean (if necessary rounded upwards to the nearest whole 
    multiple of 0.00001%) of the rates (expressed as percentages per annum) 
    for Eurodollar deposits having a three-month maturity that appear on 
    Reuters Monitor Money Rates Page LIBOR ("Reuters Page LIBOR") as of 11:00 
    a.m. (London time) on such Determination Date; 

                               54           
<PAGE>
     (3) if such rate does not appear on Reuters Page LIBOR as of 11:00 a.m. 
    (London time) on the related Determination Date, the Calculation Agent 
    will request the principal London offices of four leading banks in the 
    London interbank market to provide such banks' offered quotations 
    (expressed as percentages per annum) to prime banks in the London 
    interbank market for Eurodollar deposits having a three-month maturity as 
    of 11:00 a.m. (London time) on such Determination Date. If at least two 
    quotations are provided, LIBOR will be the arithmetic mean (if necessary 
    rounded upwards to the nearest whole multiple of 0.00001%) of such 
    quotations; 

     (4) if fewer than two such quotations are provided as requested in clause 
    (3) above, the Calculation Agent will request four major New York City 
    banks to provide such banks' offered quotations (expressed as percentages 
    per annum) to leading European banks for loans in Eurodollars having a 
    three-month maturity as of 11:00 a.m. (London time) on such Determination 
    Date. If at least two such quotations are provided, LIBOR will be the 
    arithmetic mean (if necessary rounded upwards to the nearest whole 
    multiple of 0.00001%) of such quotations; and 

     (5) if fewer than two such quotations are provided as requested in clause 
    (4) above, LIBOR will be LIBOR as determined on the previous Determination 
    Date. 

   If the rate for Eurodollar deposits having a three-month maturity that 
initially appears on Telerate Page 3750 or Reuters Page LIBOR, as the case 
may be, as of 11:00 a.m. (London time) on the related Determination Date is 
superseded on Telerate Page 3750 or Reuters Page LIBOR, as the case may be, 
by a corrected rate before 12:00 noon (London time) on such Determination 
Date, the corrected rate as so substituted on the applicable page will be the 
applicable LIBOR for such Determination Date. 

   Absent manifest error, the Calculation Agent's determination of LIBOR and 
its calculation of the applicable interest rate for each interest period will 
be final and binding. Investors may obtain the interest rates for the current 
and preceding interest period by writing or calling Corporate Trust 
Administration at the Calculation Agent at One First National Plaza, Suite 
0126, Chicago, Illinois 60670-0126 (telephone (312) 407-4660). 

   Option To Extend Interest Payment Period. So long as no Event of Default 
under the Junior Subordinated Indenture has occurred and is continuing, the 
Company has the right under the Junior Subordinated Indenture at any time 
during the term of the Exchange Junior Subordinated Debentures to defer the 
payment of interest at any time or from time to time for a period not 
exceeding 20 consecutive quarterly periods with respect to each Extension 
Period, provided that no Extension Period may extend beyond the Stated 
Maturity of the Exchange Junior Subordinated Debentures. At the end of such 
Extension Period, the Company must pay all interest then accrued and unpaid 
(together with interest thereon at the variable annual rate of LIBOR plus 
 .91% on the principal amount thereof, compounded quarterly from the relevant 
payment date for such interest. The amount of additional interest payable for 
any full interest period will be computed by dividing the rate per annum by 
four. During an Extension Period, interest will continue to accrue and 
holders of Exchange Junior Subordinated Debentures (or holders of Capital 
Securities while outstanding) will be required to accrue interest income for 
United States federal income tax purposes. See "Certain Federal Income Tax 
Consequences--Interest Income and Original Issue Discount." 

   During any such Extension Period, the Company may not, and may not permit 
any subsidiary of the Company to, (i) declare or pay any dividends or 
distributions on, or redeem, purchase, acquire, or make a liquidation payment 
with respect to, any of the Company's capital stock or (ii) make any payment 
of principal, interest or premium, if any, on or repay, repurchase or redeem 
any debt securities of the Company that rank pari passu in all respects with 
or junior in interest to the Exchange Junior Subordinated Debentures or (iii) 
make any guarantee payments with respect to any guarantee by the Company of 
the debt securities of any subsidiary of the Company if such guarantee ranks 
pari passu with or junior in interest to the Exchange Junior Subordinated 
Debentures (other than (a) dividends or distributions in common stock of the 
Company, (b) any declaration of a dividend in connection with the 
implementation of a stockholders' rights plan, or the issuance of stock under 
any such plan in the future, or the redemption or repurchase of any such 
rights pursuant thereto, (c) payments under the Guarantee and (d) purchases 
of common stock related to the issuance of common stock or rights under any 
of the 

                               55           
<PAGE>
Company's or its subsidiaries' benefit plans for their directors, officers or 
employees). Prior to the termination of any such Extension Period, the 
Company may further defer the payment of interest, provided that no Extension 
Period may exceed 20 consecutive quarterly periods or extend beyond the 
Stated Maturity of the Exchange Junior Subordinated Debentures. Upon the 
termination of any such Extension Period and the payment of all amounts then 
due on any Interest Payment Date, the Company may elect to begin a new 
Extension Period subject to the above requirements. No interest shall be due 
and payable during an Extension Period, except at the end thereof. The 
Company must give the Property Trustee and the Debenture Trustee notice of 
its election of such Extension Period at least one Business Day prior to the 
earlier of (i) the date the Distributions on the Capital Securities would 
have been payable except for the election to begin such Extension Period or 
(ii) the date the Property Trustee is required to give notice to any 
applicable self-regulatory organization or to holders of the Capital 
Securities of the record date or (iii) the date such Distributions are 
payable, but in any event not less than one Business Day prior to such record 
date. The Property Trustee shall give notice of the Company's election to 
begin a new Extension Period to the holders of the Capital Securities. There 
is no limitation on the number of times that the Company may elect to begin 
an Extension Period. 

   Redemption. The Exchange Junior Subordinated Debentures are redeemable 
prior to maturity at the option of the Company (i) on or after July 15, 2007, 
in whole or in part at any time or in part from time to time, or (ii) in 
whole (but not in part) prior to July 15, 2007, and within 90 days following 
the occurrence of a Tax Event (as defined under "Description of Exchange 
Capital Securities--Redemption"), at a redemption price equal to 100% of the 
principal amount of the Exchange Junior Subordinated Debentures so redeemed 
plus accrued and unpaid interest thereon to date of redemption. The proceeds 
of any such redemption will be used by the Issuer Trust to redeem the 
Exchange Capital Securities. 

   Conditional Right to Shorten Maturity upon a Tax Event. The maturity of 
the Exchange Junior Subordinated Debentures may be shortened at the option of 
the Company under the circumstances described under "Description of Exchange 
Capital Securities--Conditional Right to Shorten Maturity or Redeem upon a 
Tax Event." Upon the exercise of the right to shorten the maturity of the 
Exchange Junior Subordinated Debentures, the Company will no longer have the 
right to redeem the Exchange Junior Subordinated Debentures prior to the new 
Stated Maturity upon the occurrence of a Tax Event or to further shorten the 
maturity of the Exchange Junior Subordinated Debentures. 

   See "Certain Federal Income Tax Consequences--Possible Tax Law Changes" 
for a discussion of certain legislative proposals that, if adopted, could 
give rise to a Tax Event, which may permit the Company to shorten the 
maturity of the Exchange Junior Subordinated Debentures. 

   Additional Sums. If the Issuer Trust is required to pay any additional 
taxes, duties or other governmental charges as a result of a Tax Event, the 
Company will pay as additional amounts on the Exchange Junior Subordinated 
Debentures such amounts as shall be required so that the Distributions 
payable by the Issuer Trust shall not be reduced as a result of any such 
additional taxes, duties or other governmental charges. The Company has 
covenanted in the Junior Subordinated Indenture that, if and so long as (i) 
the Issuer Trust is the holder of all Junior Subordinated Debentures and (ii) 
a Tax Event in respect of the Issuer Trust has occurred and is continuing, 
the Company will pay to the Issuer Trust such Additional Sums (as defined 
under "Description of Exchange Capital Securities--Redemption"). 

   Registration, Denomination and Transfer. The Exchange Junior Subordinated 
Debentures will be registered in the name of the Issuer Trust. In the event 
that the Exchange Junior Subordinated Debentures are distributed to holders 
of Exchange Capital Securities, it is anticipated that the depositary 
arrangements for the Exchange Junior Subordinated Debentures will be 
substantially identical to those in effect for the Exchange Capital 
Securities. See "Description of Exchange Capital Securities--Book Entry, 
Delivery and Form." 

   Although DTC has agreed to the foregoing procedures, it is under no 
obligation to perform or continue to perform such procedures, and such 
procedures may be discontinued at any time. If DTC is at any time unwilling 
or unable to continue as depositary and a successor depositary is not 
appointed by the Company within 90 days, the Company will cause the Exchange 
Junior Subordinated Debentures to be issued in definitive registered form. 

                               56           
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   Payments on Junior Subordinated Debentures represented by a global 
security will be made to Cede, the nominee for DTC, as the depositary for the 
Junior Subordinated Debentures. In the event Junior Subordinated Debentures 
are issued in definitive registered form, principal and interest will be 
payable, the transfer of the Junior Subordinated Debentures will be 
registrable, and Junior Subordinated Debentures will be exchangeable for 
Junior Subordinated Debentures of other denominations of a like aggregate 
principal amount, at the corporate trust office of the Debenture Trustee in 
New York, New York, or at the offices of any paying agent or transfer agent 
appointed by the Company, provided that payment of interest may be made at 
the option of the Company by check mailed to the address of the persons 
entitled thereto or by wire transfer. 

   The Exchange Junior Subordinated Debentures will be issuable only in 
registered form without coupons. Exchange Junior Subordinated Debentures will 
be exchangeable for other Junior Subordinated Debentures, of any authorized 
denominations, of a like aggregate principal amount. 

   Junior Subordinated Debentures may be presented for exchange as provided 
above, and may be presented for registration of transfer (with the form of 
transfer endorsed thereon, or a satisfactory written instrument of transfer, 
duly executed), at the office of the Security Registrar or at the office of 
any transfer agent designated by the Company for such purpose without service 
charge and upon payment of any taxes and other governmental charges as 
described in the Junior Subordinated Indenture. The Company will appoint the 
Debenture Trustee as Security Registrar under the Junior Subordinated 
Indenture. The Company may at any time designate additional transfer agents 
with respect to the Junior Subordinated Debentures. 

   In the event of any redemption, neither the Company nor the Debenture 
Trustee shall be required to (i) issue, register the transfer of or exchange 
Junior Subordinated Debentures during a period beginning at the opening of 
business 15 days before the day of selection for redemption of Junior 
Subordinated Debentures and ending at the close of business on the day of 
mailing of the relevant notice of redemption or (ii) transfer or exchange any 
Junior Subordinated Debentures so selected for redemption, except, in the 
case of any Junior Subordinated Debentures being redeemed in part, any 
portion thereof not to be redeemed. 

   Any moneys deposited with the Debenture Trustee or any paying agent, or 
then held by the Company in trust, for the payment of the principal of (and 
premium, if any) or interest on any Junior Subordinated Debenture and 
remaining unclaimed for two years after such principal (and premium, if any) 
or interest has become due and payable shall, at the request of the Company, 
be repaid to the Company and the holder of such Junior Subordinated Debenture 
shall thereafter look, as a general unsecured creditor, only to the Company 
for payment thereof. 

   Restrictions on Certain Payments; Certain Covenants of the Company. The 
Company has covenanted that it will not, and will not permit any subsidiary 
of the Company to, (i) declare or pay any dividends or distributions on, or 
redeem, purchase, acquire, or make a liquidation payment with respect to, any 
of the Company's capital stock or (ii) make any payment of principal of or 
interest or premium, if any, on or repay, repurchase or redeem any debt 
securities of the Company that rank pari passu in all respects with or junior 
in interest to the Exchange Junior Subordinated Debentures or make any 
guarantee payments with respect to any guarantee by the Company of the debt 
securities of any subsidiary of the Company if such guarantee ranks pari 
passu with or junior in interest to the Exchange Junior Subordinated 
Debentures (other than (a) dividends or distributions in common stock of the 
Company, (b) any declaration of a dividend in connection with the 
implementation of a stockholders' rights plan, or the issuance of stock under 
any such plan in the future, or the redemption or repurchase of any such 
rights pursuant thereto, (c) payments under the Guarantee and (d) purchases 
of common stock related to the issuance of common stock or rights under any 
of the Company's or its subsidiaries' benefit plans for their directors, 
officers or employees), if at such time (i) there shall have occurred any 
event of which the Company has actual knowledge that (a) with the giving of 
notice or the lapse of time, or both, would constitute a Debenture Event of 
Default and (b) in respect of which the Company shall not have taken 
reasonable steps to cure, (ii) if such Junior Subordinated Debentures are 
held by the Issuer Trust, the Company shall be in default with respect to its 
payment of any obligations under the Guarantee or (iii) 

                               57           
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the Company shall have given notice of its selection of an Extension Period 
as provided in the Junior Subordinated Indenture with respect to the Exchange 
Junior Subordinated Debentures and shall not have rescinded such notice, or 
such Extension Period, or any extension thereof, shall be continuing. 

   The Company has covenanted in the Junior Subordinated Indenture, (i) to 
maintain directly or indirectly 100% ownership of the Common Securities of 
the Issuer Trust, provided that certain successors which are permitted 
pursuant to the Junior Subordinated Indenture may succeed to the Company's 
ownership of the Common Securities, (ii) as holder of the Common Securities, 
not to voluntarily terminate, wind-up or liquidate the Issuer Trust, except 
(a) in connection with a distribution of Junior Subordinated Debentures to 
the holders of the Capital Securities in liquidation of the Issuer Trust or 
(b) in connection with certain mergers, consolidations or amalgamations 
permitted by the Trust Agreement and (iii) to use its reasonable efforts, 
consistent with the terms and provisions of the Trust Agreement, to cause the 
Issuer Trust to remain classified as a grantor trust and not as an 
association taxable as a Corporation for United States federal income tax 
purposes. 

   Modification of Junior Subordinated Indenture. From time to time the 
Company and the Debenture Trustee may, without the consent of the holders of 
the Exchange Junior Subordinated Debentures, amend, waive or supplement the 
Junior Subordinated Indenture for specified purposes, including, among other 
things, curing ambiguities, defects or inconsistencies (provided that any 
such action does not materially adversely affect the interests of the holders 
of the Exchange Junior Subordinated Debentures or the holders of the Exchange 
Capital Securities so long as they remain outstanding) and qualifying, or 
maintaining the qualification of, the Junior Subordinated Indenture under the 
Trust Indenture Act of 1939. The Junior Subordinated Indenture contains 
provisions permitting the Company and the Debenture Trustee, with the consent 
of the holders of not less than a majority in principal amount of the 
Exchange Junior Subordinated Debentures, to modify the Junior Subordinated 
Indenture in a manner affecting the rights of the holders of the Exchange 
Junior Subordinated Debentures; provided, that no such modification may, 
without the consent of the holder of each outstanding Exchange Junior 
Subordinated Debenture so affected, (i) change the Stated Maturity of the 
Exchange Junior Subordinated Debentures, or reduce the principal amount 
thereof or any premium payable upon redemption, or reduce the rate or extend 
the time of payment of interest thereon or (ii) reduce the percentage of 
principal amount of Exchange Junior Subordinated Debentures, the holders of 
which are required to consent to any such modification of the Subordinated 
Indenture, provided that, so long as any of the Exchange Capital Securities 
remain outstanding, no such modification may be made that adversely affects 
the holders of such Exchange Capital Securities in any material respect, and 
no termination of the Junior Subordinated Indenture may occur, and no waiver 
of any Debenture Event of Default or compliance with any covenant under the 
Junior Subordinated Indenture may be effective, without the prior consent of 
the holders of at least a majority of the aggregate Liquidation Amount of 
such Exchange Capital Securities unless and until the principal of the 
Exchange Junior Subordinated Debentures and all accrued and unpaid interest 
thereon have been paid in full and certain other conditions are satisfied. 

   Debenture Events of Default. The Junior Subordinated Indenture provides 
that any one or more of the following described events with respect to the 
Exchange Junior Subordinated Debentures that has occurred and is continuing 
constitutes a Debenture Event of Default with respect to the Exchange Junior 
Subordinated Debentures: 

     (i) failure for 30 days to pay any interest on the Exchange Junior 
    Subordinated Debentures when due (subject to the deferral of any due date 
    in the case of an Extension Period); or 

     (ii) failure to pay any principal or premium, if any, on the Exchange 
    Junior Subordinated Debentures when due whether at maturity, upon 
    redemption, by declaration of acceleration or otherwise; or 

     (iii) failure to observe or perform in any material respect certain other 
    covenants contained in the Junior Subordinated Indenture for a period of 
    90 days after there has been given, by registered or certified mail, to 
    the Company from the Debenture Trustee or the holders of at least 25% in 
    aggregate outstanding principal amount of the outstanding Junior 
    Subordinated Debentures a written notice specifying such default or breach 
    and requiring it to be remedied and stating that such notice is a "Notice 
    of Default"; or 

                               58           
<PAGE>
     (iv) certain events in bankruptcy, insolvency or reorganization of the 
    Company. 

   The holders of a majority in aggregate outstanding principal amount of 
Junior Subordinated Debentures have the right to direct the time, method and 
place of conducting any proceeding for any remedy available to the Debenture 
Trustee. The Debenture Trustee or the holders of not less than 25% in 
aggregate outstanding principal amount of Junior Subordinated Debentures may 
declare the principal and accrued interest due and payable immediately upon a 
Debenture Event of Default, and, should the Debenture Trustee or such holders 
of Junior Subordinated Debentures fail to make such declaration, the holders 
of at least 25% in aggregate Liquidation Amount of the Capital Securities 
shall have such right. The holders of a majority in aggregate outstanding 
principal amount of Junior Subordinated Debentures may annul such declaration 
and waive the default if the default (other than the non-payment of the 
principal of Junior Subordinated Debentures which has become due solely by 
such acceleration) has been cured and a sum sufficient to pay all matured 
installments of interest and principal due otherwise than by acceleration has 
been deposited with the Debenture Trustee. Should the holders of Junior 
Subordinated Debentures fail to annul such declaration and waive such 
default, the holders of a majority in aggregate Liquidation Amount of the 
Capital Securities shall have such right. 

   The holders of a majority in aggregate outstanding principal amount of the 
Junior Subordinated Debentures affected thereby may, on behalf of the holders 
of all the Junior Subordinated Debentures, waive any past default, except a 
default in the payment of principal or interest (unless such default has been 
cured and a sum sufficient to pay all matured installments of interest and 
principal due otherwise than by acceleration has been deposited with the 
Debenture Trustee) or a default in respect of a covenant or provision which 
under the Junior Subordinated Indenture cannot be modified or amended without 
the consent of the holder of each outstanding Junior Subordinated Debenture. 
Should the holders of such Junior Subordinated Debentures fail to waive any 
such past default, the holders of a majority in aggregate Liquidation Amount 
of the Capital Securities shall have such right. The Company is required to 
file annually with the Debenture Trustee a certificate as to whether or not 
the Company is in compliance with all the conditions and covenants applicable 
to it under the Junior Subordinated Indenture. 

   In case a Debenture Event of Default shall occur and be continuing, the 
Property Trustee will have the right to declare the principal of and the 
accrued interest on the Junior Subordinated Debentures, and any other amounts 
payable under the Junior Subordinated Indenture, to be forthwith due and 
payable and to enforce its other rights as a creditor with respect to the 
Junior Subordinated Debentures. 

   Enforcement of Certain Rights by Holders of Capital Securities. If a 
Debenture Event of Default has occurred and is continuing and such event is 
attributable to the failure of the Company to pay interest or principal on 
the Exchange Junior Subordinated Debentures on the date such interest or 
principal is otherwise payable, a holder of Exchange Capital Securities may 
institute a Direct Action. The Company may not amend the Junior Subordinated 
Indenture to remove the foregoing right to bring a Direct Action without the 
prior written consent of the holders of all of the Capital Securities. The 
Company shall have the right under the Exchange Junior Subordinated Indenture 
to set-off any payment made to such holder of Capital Securities by the 
Company in connection with a Direct Action. 

   The holders of the Exchange Capital Securities would not be able to 
exercise directly any remedies available to the holders of the Exchange 
Junior Subordinated Debentures other than those set forth in the preceding 
paragraph unless there shall have been an Event of Default under the Trust 
Agreement. See "Description of Exchange Capital Securities--Events of 
Default; Notice." 

   Consolidation, Merger, Sale of Assets and Other Transactions. The Junior 
Subordinated Indenture provides that the Company shall not consolidate with 
or merge into any other Person or convey, transfer or lease its properties 
and assets substantially as an entirety to any Person, and no Person shall 
consolidate with or merge into the Company or convey, transfer or lease its 
properties and assets substantially as an entirety to the Company, unless (i) 
in case the Company consolidates with or merges into another Person or 
conveys or transfers its properties and assets substantially as an entirety 
to any Person, the successor Person is organized under the laws of the United 
States or any state or the District of Columbia, and such successor Person 
expressly assumes the Company's obligations on the Exchange Junior 
Subordinated Debentures issued under the Junior Subordinated Indenture; (ii) 
immediately after giving effect thereto, 

                               59           
<PAGE>
no Debenture Event of Default, and no event which, after notice or lapse of 
time or both, would become a Debenture Event of Default, shall have occurred 
and be continuing; (iii) such transaction is permitted under the Trust 
Agreement and Guarantee and does not give rise to any breach or violation of 
the Trust Agreement or Guarantee; and (iv) certain other conditions as 
prescribed in the Junior Subordinated Indenture are met. 

   The general provisions of the Junior Subordinated Indenture do not afford 
holders of the Exchange Junior Subordinated Debentures protection in the 
event of a highly leveraged or other transaction involving the Company that 
may adversely affect holders of the Exchange Junior Subordinated Debentures. 

   Satisfaction and Discharge. The Junior Subordinated Indenture provides 
that when, among other things, all Junior Subordinated Debentures not 
previously delivered to the Debenture Trustee for cancellation (i) have 
become due and payable or (ii) will become due and payable at their Stated 
Maturity within one year, and the Company deposits or causes to be deposited 
with the Debenture Trustee funds, in trust, for the purpose and in an amount 
sufficient to pay and discharge the entire indebtedness on the Junior 
Subordinated Debentures not previously delivered to the Debenture Trustee for 
cancellation, for the principal (and premium, if any) and interest and 
Additional Sums to the date of the deposit or to the Stated Maturity, as the 
case may be, then the Subordinated Indenture will cease to be of further 
effect (except as to the Company's obligations to pay all other sums due 
pursuant to the Junior Subordinated Indenture and to provide the officers' 
certificates and opinions of counsel described therein), and the Company will 
be deemed to have satisfied and discharged the Junior Subordinated Indenture. 

   Subordination. The Exchange Junior Subordinated Debentures shall be 
subordinate and junior in right of payment, to the extent set forth in the 
Junior Subordinated Indenture, to all Senior Indebtedness (as defined below) 
of the Company. In the event that the Company shall default in the payment of 
any principal, premium, if any, or interest, if any, on any Senior 
Indebtedness when the same becomes due and payable, whether at maturity or at 
a date fixed for prepayment or by declaration of acceleration or otherwise, 
then, unless and until such default shall have been cured or waived or shall 
have ceased to exist or all Senior Indebtedness shall have been paid, no 
direct or indirect payment (in cash, property, securities, by set-off or 
otherwise) shall be made or agreed to be made for principal, premium, if any, 
or interest, if any, on the Exchange Junior Subordinated Debentures, or in 
respect of any redemption, repayment, retirement, purchase or other 
acquisition of any of the Exchange Junior Subordinated Debentures. 

   "Debt" means with respect to the Company, whether recourse is to all or a 
portion of the assets of the Company and whether or not contingent, (i) every 
obligation of the Company for money borrowed; (ii) every obligation of the 
Company evidenced by bonds, debentures, notes or other similar instruments, 
including obligations incurred in connection with the acquisition of 
property, assets or businesses; (iii) every reimbursement obligation of the 
Company with respect to letters of credit, bankers' acceptances or similar 
facilities issued for the account of the Company; (iv) every obligation of 
the Company issued or assumed as the deferred purchase price of property or 
services (but excluding trade accounts payable or accrued liabilities, 
arising in the ordinary course of business); (v) every capital lease 
obligation of the Company; (vi) all indebtedness of the Company whether 
incurred on or prior to the date of the Junior Subordinated Indenture or 
thereafter incurred, for claims in respect of derivative products, including 
interest rate, foreign exchange rate and commodity forward contracts, options 
and swaps and similar arrangements; and (vii) every obligation of the type 
referred to in clauses (i) through (vi) of another Person and all dividends 
of another Person the payment of which, in either case, the Company has 
guaranteed or is responsible or liable for, directly or indirectly, as 
obligor or otherwise. 

   "Senior Indebtedness" means the principal of (and premium, if any) and 
interest, if any (including interest accruing on or after the filing of any 
petition in bankruptcy or for reorganization relating to the Company whether 
or not such claim for post-petition interest is allowed in such proceeding), 
on Debt of the Company, whether incurred on or prior to the date of the 
Junior Subordinated Indenture or thereafter incurred, unless, in the 
instrument creating or evidencing the same or pursuant to which the same is 
outstanding, it is provided that such obligations are not superior in right 
of payment to the Junior 

                               60           
<PAGE>
Subordinated Debentures; provided, however, that Senior Indebtedness shall 
not be deemed to include (i) any Debt of the Company which when incurred and 
without respect to any election under Section 1111(b) of the United States 
Bankruptcy Code of 1978, as amended, was without recourse to the Company, 
(ii) any Debt of the Company to any of its subsidiaries, (iii) Debt to any 
employee of the Company and (iv) any other debt securities issued pursuant to 
the Junior Subordinated Indenture. 

   In the event of (i) any insolvency, bankruptcy, receivership, liquidation, 
reorganization, readjustment, composition or other similar proceeding 
relating to the Company, its creditors or its property, (ii) any proceeding 
for the liquidation, dissolution or other winding up of the Company, 
voluntary or involuntary, whether or not involving insolvency or bankruptcy 
proceedings, (iii) any assignment by the Company for the benefit of creditors 
or (iv) any other marshalling of the assets of the Company, all Senior 
Indebtedness (including any interest thereon accruing after the commencement 
of any such proceedings) shall first be paid in full before any payment or 
distribution, whether in cash, securities or other property, shall be made on 
account of the principal of or premium, if any, or interest, if any, on the 
Junior Subordinated Debentures. In such event, any payment or distribution on 
account of the principal of or premium, if any, or interest, if any, on the 
Junior Subordinated Debentures, whether in cash, securities or other property 
(other than securities of the Company or any other corporation provided for 
by a plan of reorganization or readjustment the payment of which is 
subordinate, at least to the extent provided in the subordination provisions 
with respect to the Junior Subordinated Debentures, to the payment of all 
Senior Indebtedness at the time outstanding, and to any securities issued in 
respect thereof under any such plan of reorganization or readjustment), which 
would otherwise (but for the subordination provisions) be payable or 
deliverable in respect of the Junior Subordinated Debentures shall be paid or 
delivered directly to the holders of Senior Indebtedness in accordance with 
the priorities then existing among such holders until all Senior Indebtedness 
(including any interest thereon accruing after the commencement of any such 
proceedings) shall have been paid in full. 

   In the event of any such proceeding, after payment in full of all sums 
owing with respect to Senior Indebtedness, the holders of Junior Subordinated 
Debentures, together with the holders of any obligations of the Company 
ranking on a parity with the Junior Subordinated Debentures, shall be 
entitled to be paid from the remaining assets of the Company the amounts at 
the time due and owing on account of unpaid principal of and premium, if any, 
and interest, if any, on the Junior Subordinated Debentures and such other 
obligations before any payment or other distribution, whether in cash, 
property or otherwise, shall be made on account of any capital stock or 
obligations of the Company ranking junior to the Junior Subordinated 
Debentures and such other obligations. If any payment or distribution on 
account of the principal of or interest on the Junior Subordinated Debentures 
of any character or any security, whether in cash, securities or other 
property (other than securities of the Company or any other corporation 
provided for by a plan of reorganization or readjustment the payment of which 
is subordinate, at least to the extent provided in the subordination 
provisions with respect to the Junior Subordinated Debentures, to the payment 
of all Senior Indebtedness at the time outstanding and to any securities 
issued in respect thereof under any such plan of reorganization or 
readjustment) shall be received by any holder of any Junior Subordinated 
Debentures in contravention of any of the terms hereof and before all the 
Senior Indebtedness shall have been paid in full, such payment or 
distribution or security shall be received in trust for the benefit of, and 
shall be paid over or delivered and transferred to, the holders of the Senior 
Indebtedness at the time outstanding in accordance with the priorities then 
existing among such holders for application to the payment of all Senior 
Indebtedness remaining unpaid to the extent necessary to pay all such Senior 
Indebtedness in full. By reason of such subordination, in the event of the 
insolvency of the Company, holders of Senior Indebtedness may receive more, 
ratably, and holders of the Junior Subordinated Debentures having a claim 
pursuant to such securities may receive less, ratably, than the other 
creditors of the Company. Such subordination will not prevent the occurrence 
of any Event of Default in respect of the Junior Subordinated Debentures. 

   The Junior Subordinated Indenture places no limitation on the amount of 
additional Senior Indebtedness that may be incurred by the Company. The 
Company expects from time to time to incur additional indebtedness 
constituting Senior Indebtedness. 

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   Governing Law. The Junior Subordinated Indenture and the Exchange Junior 
Subordinated Debentures will be governed by and construed in accordance with 
the laws of the State of New York. 

   Information Concerning the Debenture Trustee. The Debenture Trustee is 
under no obligation to exercise any of the powers vested in it by the Junior 
Subordinated Indenture at the request of any holder of Exchange Junior 
Subordinated Debentures, unless offered reasonable indemnity by such holder 
against the costs, expenses and liabilities which might be incurred thereby. 
The Debenture Trustee is not required to expend or risk its own funds or 
otherwise incur personal financial liability in the performance of its duties 
if the Debenture Trustee reasonably believes that repayment or adequate 
indemnity is not reasonably assured to it. 

   First Chicago, Debenture Trustee, also serves as issuing agent with 
respect to certain negotiable certificates of deposit issued by the Company's 
subsidiaries. In addition, the Company and certain of its affiliates maintain 
deposit accounts and/or conduct other banking transactions with First 
Chicago. 

   Covenant to Pay Trust Expenses. The Indenture provides that the Company 
will irrevocably and unconditionally guarantee to each person or entity to 
whom the Issuer Trust becomes indebted or liable, the full payment of any 
costs, expenses or liabilities of the Issuer Trust, other than obligations of 
the Issuer Trust to pay to the holders of the Capital Securities or other 
similar interests in the Issuer Trust of the amounts due such holders 
pursuant to the terms of the Capital Securities or such other similar 
interests, as the case may be. The obligation of the Company includes the 
payment of fees and expenses related to (i) the offering of the Trust 
Securities and the Subordinated Debentures, (ii) the organization, 
maintenance and dissolution of the Issuer Trust, (iii) the retention of the 
Debenture Trustee, Issuer Trustee, Delaware Trustee, Property Trustee, the 
Calculation Agent and Administrative Trustees and (iv) the enforcement by the 
Property Trustee of the rights of the holders of the Capital Securities. The 
payment of such fees and expenses will be fully and unconditionally 
guaranteed by the Company. The obligations to guarantee payment of such 
expenses of the Issuer Trust will constitute an unsecured obligation of the 
Company and will rank subordinate and junior in right of payment to all 
Senior Indebtedness of the Company in the same manner as Junior Subordinated 
Debentures. 

DESCRIPTION OF EXCHANGE GUARANTEE 

   An Exchange Guarantee will be executed and delivered by the Company 
concurrently with the issuance by the Issuer Trust of its Capital Securities 
for the benefit of the holders from time to time of such Exchange Capital 
Securities. First Chicago will act as trustee ("Guarantee Trustee") under the 
Exchange Guarantee. This summary of certain provisions of the Exchange 
Guarantee does not purport to be complete and is subject to, and qualified in 
its entirety by reference to, all of the provisions of the Exchange Guarantee 
Agreement, including the definitions therein of certain terms. A copy of the 
Exchange Guarantee is available upon request from the Guarantee Trustee. The 
Guarantee Trustee will hold the Exchange Guarantee for the benefit of the 
holders of the Exchange Capital Securities. 

   General. The Company will irrevocably agree to pay in full on a 
subordinated basis, to the extent set forth herein, the Guarantee Payments 
(as defined below) to the holders of the Exchange Capital Securities, as and 
when due, regardless of any defense, right of set-off or counterclaim that 
such Issuer Trust may have or assert other than the defense of payment. The 
following payments with respect to the Exchange Capital Securities, to the 
extent not paid by or on behalf of the Issuer Trust (the "Guarantee 
Payments"), will be subject to the Exchange Guarantee: (i) any accrued and 
unpaid Distributions required to be paid on such Exchange Capital Securities, 
to the extent that the Issuer Trust has funds on hand available therefor at 
such time, (ii) the Redemption Price with respect to any Exchange Capital 
Securities called for redemption, to the extent that the Issuer Trust has 
funds on hand available therefor at such time, and (iii) upon a voluntary or 
involuntary termination, winding up or liquidation of the Issuer Trust 
(unless the Exchange Junior Subordinated Debentures are distributed to 
holders of the Exchange Capital Securities), the lesser of (a) the aggregate 
amount of the Liquidation Amount of $1,000 per Exchange Capital Security plus 
accrued and unpaid Distributions of the Exchange Capital Securities and (b) 
the amount of assets of the Issuer Trust remaining available for distribution 
to holders of Exchange 

                               62           
<PAGE>
Capital Securities on liquidation of the Issuer Trust. The Company's 
obligation to make a Guarantee Payment may be satisfied by direct payment of 
the required amounts by the Company to the holders of the Exchange Capital 
Securities or by causing the Issuer Trust to pay such amounts to such 
holders. 

   The Exchange Guarantee will be an irrevocable guarantee on a subordinated 
basis of the Issuer Trust's obligations under the Exchange Capital 
Securities, but will apply only to the extent that the Issuer Trust has funds 
sufficient to make such payments, and is not a guarantee of collection. 

   If the Company does not make interest payments on the Exchange Junior 
Subordinated Debentures held by the Issuer Trust, the Issuer Trust will not 
be able to pay Distributions on the Exchange Capital Securities and will not 
have funds legally available therefor. The Exchange Guarantee will rank 
subordinate and junior in right of payment to all Senior Indebtedness of the 
Company. See "--Status of the Guarantee." Because the Company is a holding 
company, the right of the Company to participate in any distribution of 
assets of any subsidiary upon such subsidiary's liquidation or reorganization 
or otherwise, is subject to the prior claims of creditors of that subsidiary, 
except to the extent the Company may itself be recognized as a creditor of 
that subsidiary. Accordingly, the Company's obligations under the Exchange 
Guarantee will be effectively subordinated to all existing and future 
liabilities of the Company's subsidiaries, and claimants should look only to 
the assets of the Company for payments thereunder. The payment of dividends 
by the Company's insurance company subsidiaries, including Hartford Steam 
Boiler, is limited under the insurance holding laws of each subsidiary's 
domicile. See "HSB Group, Inc." The Exchange Guarantee does not limit the 
incurrence or issuance of other secured or unsecured debt of the Company, 
including Senior Indebtedness, whether under the Junior Subordinated 
Indenture or any other indenture that the Company may enter into in the 
future or otherwise. 

   The Company has, through the Exchange Guarantee, the Trust Agreement, the 
Junior Subordinated Debentures and the Junior Subordinated Indenture, taken 
together, fully, irrevocably and unconditionally guaranteed all of the Issuer 
Trust's obligations under the Exchange Capital Securities. No single document 
standing alone or operating in conjunction with fewer than all of the other 
documents constitutes such guarantee. It is only the combined operation of 
these documents that has the effect of providing a full, irrevocable and 
unconditional guarantee of the Issuer Trust's obligations under the Exchange 
Capital Securities. See "Relationship Among the Exchange Capital Securities, 
the Exchange Junior Subordinated Debentures and the Exchange Guarantee." 

   Status of the Exchange Guarantee. The Exchange Guarantee will constitute 
an unsecured obligation of the Company and will rank subordinate and junior 
in right of payment to all Senior Indebtedness of the Company in the same 
manner as the Exchange Junior Subordinated Debentures. 

   The Exchange Guarantee will constitute a guarantee of payment and not of 
collection (i.e., the guaranteed party may institute a legal proceeding 
directly against the Guarantor to enforce its rights under the Exchange 
Guarantee without first instituting a legal proceeding against any other 
person or entity). The Exchange Guarantee will be held for the benefit of the 
holders of the Exchange Capital Securities. The Exchange Guarantee will not 
be discharged except by payment of the Guarantee Payments in full to the 
extent not paid by the Issuer Trust or upon distribution to the holders of 
the Exchange Capital Securities of the Exchange Junior Subordinated 
Debentures. The Exchange Guarantee does not place a limitation on the amount 
of additional Senior Indebtedness that may be incurred by the Company. The 
Company expects from time to time to incur additional indebtedness 
constituting Senior Indebtedness. 

   The obligations of the Company under the Exchange Guarantee will rank pari 
passu with the obligations of the Company under any similar Guarantee 
Agreements issued by the Company on behalf of holders of preferred or capital 
securities issued by the Issuer Trust. 

   Amendments and Assignment. Except with respect to any changes which do not 
adversely affect the rights of holders of the Exchange Capital Securities in 
any material respect (in which case no vote will be required), the Exchange 
Guarantee may not be amended without the prior approval of the holders of not 
less than a majority of the aggregate Liquidation Amount of such outstanding 
Exchange Capital Securities. The manner of obtaining any such approval will 
be as set forth under "Description of the 

                               63           
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Exchange Capital Securities--Voting Rights; Amendment of Trust Agreement." 
All guarantees and agreements contained in the Guarantee shall bind the 
successors, assigns, receivers, trustees and representatives of the Company 
and shall inure to the benefit of the holders of the Exchange Capital 
Securities then outstanding. 

   Events of Default. An event of default under the Exchange Guarantee will 
occur upon the failure of the Company to perform any of its payment or other 
obligations thereunder. The holders of not less than a majority in aggregate 
Liquidation Amount of the Exchange Capital Securities have the right to 
direct the time, method and place of conducting any proceeding for any remedy 
available to the Guarantee Trustee in respect of the Exchange Guarantee or to 
direct the exercise of any trust or power conferred upon the Guarantee 
Trustee under the Exchange Guarantee. 

   Any holder of the Exchange Capital Securities may institute a legal 
proceeding directly against the Company to enforce its rights under the 
Exchange Guarantee without first instituting a legal proceeding against the 
Issuer Trust, the Guarantee Trustee or any other person or entity. 

   The Company, as guarantor, is required to file annually with the Guarantee 
Trustee a certificate as to whether or not the Company is in compliance with 
all the conditions and covenants applicable to it under the Guarantee. 

   Information Concerning the Guarantee Trustee. The Guarantee Trustee, other 
than during the occurrence and continuance of a default by the Company in 
performance of the Exchange Guarantee, undertakes to perform only such duties 
as are specifically set forth in the Exchange Guarantee and, after default 
with respect to the Exchange Guarantee, must exercise the same degree of care 
and skill as a prudent person would exercise or use in the conduct of his or 
her own affairs. Subject to this provision, the Guarantee Trustee is under no 
obligation to exercise any of the powers vested in it by the Exchange 
Guarantee at the request of any holder of any Exchange Capital Securities 
unless it is offered reasonable indemnity against the costs, expenses and 
liabilities that might be incurred thereby. 

   For information concerning the relationship between First Chicago, the 
Property Trustee, and the Company, see "Description of Exchange Junior 
Subordinated Debentures--Information Concerning the Debenture Trustee." 

   Termination of the Exchange Guarantee. The Exchange Guarantee will 
terminate and be of no further force and effect upon full payment of the 
Redemption Price of the Exchange Capital Securities, upon full payment of the 
amounts payable upon liquidation of the Issuer Trust or upon distribution of 
Exchange Junior Subordinated Debentures to the holders of the Exchange 
Capital Securities. The Exchange Guarantee will continue to be effective or 
will be reinstated, as the case may be, if at any time any holder of the 
Exchange Capital Securities must restore payment of any sums paid under the 
Exchange Capital Securities or the Exchange Guarantee. 

   Governing Law. The Exchange Guarantee will be governed by and construed in 
accordance with the laws of the State of New York. 

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       RELATIONSHIP AMONG THE EXCHANGE CAPITAL SECURITIES, THE EXCHANGE 
          JUNIOR SUBORDINATED DEBENTURES AND THE EXCHANGE GUARANTEE 

FULL AND UNCONDITIONAL GUARANTEE 

   Payments of Distributions and other amounts due on the Exchange Capital 
Securities (to the extent the Issuer Trust has funds available for the 
payment of such Distributions) are irrevocably guaranteed by the Company as 
and to the extent set forth under "Description of Exchange Guarantee." Taken 
together, the Company's obligations under the Exchange Junior Subordinated 
Debentures, the Junior Subordinated Indenture, the Trust Agreement, and the 
Exchange Guarantee provide, in the aggregate, a full, irrevocable and 
unconditional guarantee of payments of distributions and other amounts due on 
the Exchange Capital Securities. No single document standing alone or 
operating in conjunction with fewer than all of the other documents 
constitutes such guarantee. It is only the combined operation of these 
documents that has the effect of providing a full, irrevocable and 
unconditional guarantee of the Issuer Trust's obligations under the Exchange 
Capital Securities. If and to the extent that the Company does not make 
payments on the Exchange Junior Subordinated Debentures, the Issuer Trust 
will not pay Distributions or other payments due on the Exchange Capital 
Securities. The Exchange Guarantee does not cover payment of Distributions 
when the Issuer Trust does not have sufficient funds to pay such 
Distributions or other payments. In such event, the remedy of a holder of the 
Exchange Capital Securities is to institute a legal proceeding directly 
against the Company for enforcement of payment of such Distributions or other 
payments to such holder. The obligations of the Company under the Exchange 
Guarantee are subordinate and junior in right of payment to all Senior 
Indebtedness. 

SUFFICIENCY OF PAYMENTS 

   As long as payments of interest and other payments are made when due on 
the Exchange Junior Subordinated Debentures, such payments will be sufficient 
to cover Distributions and other payments due on the Capital Securities, 
primarily because (i) the aggregate principal amount of the Exchange Junior 
Subordinated Debentures will be equal to the sum of the aggregate stated 
Liquidation Amount of the Exchange Capital Securities and Common Securities, 
(ii) the interest rate and interest and other payment dates on the Exchange 
Junior Subordinated Debentures will match the Distribution rate and 
Distribution and other payment dates for the Exchange Capital Securities, 
(iii) the Company shall pay for all and any costs, expenses and liabilities 
of the Issuer Trust except the Issuer Trust's obligations to holders of its 
Exchange Capital Securities, and (iv) the Trust Agreement further provides 
that the Issuer Trust will not engage in any activity that is not consistent 
with the limited purposes of the Issuer Trust. 

   Notwithstanding anything to the contrary in the Junior Subordinated 
Indenture, the Company has the right to set off any payment it is otherwise 
required to make thereunder with, and to the extent the Company has 
theretofore made or is concurrently on the date of such payment making, a 
payment under the Exchange Guarantee. 

ENFORCEMENT RIGHTS OF HOLDERS OF EXCHANGE CAPITAL SECURITIES 

   A holder of any Exchange Capital Security may institute a legal proceeding 
directly against the Company to enforce its rights under the Exchange 
Guarantee without first instituting a legal proceeding against the Guarantee 
Trustee, the Issuer Trust or any other person or entity. 

   A default or event of default under any Senior Indebtedness of the Company 
would not constitute a default or an Event of Default under the Trust 
Agreement. However, in the event of payment defaults under, or acceleration 
of, Senior Indebtedness of the Company, the subordination provisions of the 
Junior Subordinated Indenture provide that no payments may be made in respect 
of the Exchange Junior Subordinated Debentures until such Senior Indebtedness 
has been paid in full or any payment default thereunder has been cured or 
waived. Failure to make required payments on the Exchange Junior Subordinated 
Debentures would constitute an Event of Default. 

LIMITED PURPOSE OF ISSUER TRUST 

   The Issuer Trust's Exchange Capital Securities evidence an undivided 
beneficial interest in the assets of the Issuer Trust, and the Issuer Trust 
exists for the sole purpose of issuing its Capital Securities and 

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Common Securities and investing the proceeds thereof in the Junior 
Subordinated Debentures. A principal difference between the rights of a 
holder of a Capital Security and a holder of Junior Subordinated Debentures 
is that a holder of Junior Subordinated Debentures is entitled to receive 
from the Company the principal amount of and interest accrued on Junior 
Subordinated Debentures held, while a holder of Capital Securities is 
entitled to receive Distributions from the Issuer Trust (or from the Company 
under the Guarantee) if and to the extent the Issuer Trust has funds 
available for the payment of such Distributions. 

RIGHTS UPON TERMINATION 

   Upon any voluntary or involuntary termination, winding-up or liquidation 
of the Issuer Trust involving the liquidation of the Junior Subordinated 
Debentures, after satisfaction of the liabilities of creditors of the Issuer 
Trust as required by applicable law, the holders of the Capital Securities 
will be entitled to receive, out of assets held by the Issuer Trust, the 
Liquidation Distribution in cash. See "Description of Exchange Capital 
Securities--Liquidation Distribution Upon Termination." Upon any voluntary or 
involuntary liquidation or bankruptcy of the Company, the Property Trustee, 
as holder of the Exchange Junior Subordinated Debentures, would be a 
subordinated creditor of the Company, subordinated in right of payment to all 
Senior Indebtedness as set forth in the Junior Subordinated Indenture, but 
entitled to receive payment in full of principal and interest, before any 
stockholders of the Company receive payments or distributions. Since the 
Company is the guarantor under the Exchange Guarantee and has agreed to pay 
for all costs, expenses and liabilities of the Issuer Trust (other than the 
Issuer Trust's obligations to the holders of its Capital Securities), the 
positions of a holder of the Exchange Capital Securities and a holder of such 
Exchange Junior Subordinated Debentures relative to other creditors and to 
stockholders of the Company in the event of liquidation or bankruptcy of the 
Company are expected to be substantially the same. 

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                   CERTAIN FEDERAL INCOME TAX CONSEQUENCES 

GENERAL 

   The following is a summary of certain of the material United States 
federal income tax consequences of the exchange of Original Securities for 
Exchange Securities pursuant to the Exchange Offer. Unless otherwise stated, 
this summary deals only with Capital Securities held as capital assets by 
holders who purchased the Capital Securities upon original issuance. It does 
not deal with special classes of holders such as banks, thrifts, real estate 
investment trusts, regulated investment companies, insurance companies, 
dealers in securities or currencies, tax-exempt investors, persons that have 
a functional currency other than the U.S. Dollar or persons that will hold 
the Capital Securities as a position in a "straddle," as part of a "synthetic 
security" or "hedge," as part of a "conversion transaction" or other 
integrated investment, or as other than a capital asset. Further, it does not 
include any description of any alternative minimum tax consequences or the 
tax laws of any state or local government of any foreign government that may 
be applicable to the Capital Securities. This summary is based on the 
Internal Revenue Code of 1986, as amended (the "Code"), Treasury regulations 
thereunder and administrative and judicial interpretations thereof, as of the 
date hereof, all of which are subject to change, possibly on a retroactive 
basis. 

EXCHANGE OF CAPITAL SECURITIES FOR EXCHANGE CAPITAL SECURITIES 

   The exchange of Original Securities for Exchange Securities pursuant to 
the Exchange Offer should have no federal income tax consequences to holders. 
Such exchange should not be treated as an "exchange" for United States 
federal income tax purposes because the Exchange Capital Securities and 
Exchange Junior Subordinated Debentures should not be considered to differ 
materially in kind or extent from the Original Capital Securities and the 
Original Junior Subordinated Debentures, respectively, and because the 
exchange will occur by operation of the terms of the Original Capital 
Securities and Original Junior Subordinated Debentures. Accordingly, the 
Exchange Junior Subordinated Debentures should have the same issue price as 
the Junior Subordinated Debentures, and a holder should have the same 
adjusted tax basis and holding period in the Exchange Capital Securities as 
the holder had in the Original Capital Securities immediately before the 
exchange. Moreover, a holder that acquired an interest in the Original Junior 
Subordinated Debentures with either market discount or bond premium will hold 
an interest in the Exchange Junior Subordinated Debentures with the same 
amount of market discount or bond premium and will be required to include 
such market discount in or deduct such bond premium from their income in the 
same manner as on the Original Junior Subordinated Debentures. Holders are 
urged to consult their tax advisors regarding the applicability of the market 
discount and bond premium rules. 

CLASSIFICATION OF THE JUNIOR SUBORDINATED DEBENTURES 

   In connection with the issuance of the Original Junior Subordinated 
Debentures, Skadden, Arps, Slate, Meagher & Flom LLP ("Skadden, Arps"), 
special tax counsel to the Company and Issuer Trust, rendered its opinion 
generally to the effect that, under then current law and assuming full 
compliance with the terms of the Indenture (and certain other documents), and 
based on certain facts and assumptions contained in such opinion, the 
Original Junior Subordinated Debentures held by the Issuer Trust will be 
classified for United States federal income tax purposes as indebtedness of 
the Company. 

CLASSIFICATION OF HSB CAPITAL TRUST 

   In connection with the issuance of the Original Capital Securities, 
Skadden, Arps rendered its opinion generally to the effect that, under then 
current law and assuming full compliance with the terms of the Declaration 
and the Indenture (and certain other documents), and based on certain facts 
and assumptions contained in such opinion, the Issuer Trust will be 
classified for United States federal income tax purposes as a grantor trust 
and not as an association taxable as a corporation. Accordingly, for United 
States federal income tax purposes, each holder of Capital Securities 
generally will be considered the owner of an undivided interest in the Junior 
Subordinated Debentures, and each holder will be required to include in its 
gross income interest or original issue discount ("OID") with respect to its 
allocable share of those Junior Subordinated Debentures. 

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INTEREST INCOME AND ORIGINAL ISSUE DISCOUNT 

   Under applicable Treasury regulations (the "Regulations"), the Junior 
Subordinated Debentures will constitute variable rate debt instruments that 
will not be treated as issued with OID provided that stated interest is 
unconditionally payable at least annually. Under such Regulations, a "remote" 
contingency that stated interest will not be timely paid will be ignored in 
determining whether a debt instrument is issued with OID. The Company 
believes that the likelihood of its exercising its option to defer payments 
is remote. Based on the foregoing, the Company believes that the Junior 
Subordinated Debentures will not be considered to be issued with OID at the 
time of their original issuance and, accordingly, a holder of the Capital 
Securities should include in gross income such holder's allocable share of 
interest on the Junior Subordinated Debentures in accordance with such 
holder's method of tax accounting. 

   Under the Regulations, if the Company exercised its option to defer any 
payment of interest, the Junior Subordinated Debentures would at that time be 
treated as issued with OID, and all stated interest on the Junior 
Subordinated Debentures would thereafter be treated as OID as long as the 
Junior Subordinated Debentures remained outstanding. In such event, all of a 
holder's taxable interest income with respect to the Junior Subordinated 
Debentures would be accounted for as OID on an economic accrual basis 
regardless of such holder's method of tax accounting, and actual 
distributions of stated interest would not be reported as taxable income. In 
general, the amount of OID that would accrue during any quarter would be 
calculated as if interest on the Junior Subordinated Debentures were payable 
at a fixed rate equal to the value of LIBOR plus .91% at the time when the 
Company first exercised its option to defer an interest payment, increased or 
decreased to take into account the difference, if any, between that rate and 
any actual payment of stated interest during the quarter. Consequently, a 
holder of Capital Securities would be required to include in gross income OID 
even though the Company would not make any actual cash payments during an 
Extension Period. 

   The Regulations have not been addressed in any rulings or other 
interpretations by the Internal Revenue Service (the "IRS"), and it is 
possible that the IRS could take a position contrary to the interpretation 
herein. 

   Because income on the Capital Securities will constitute interest or OID, 
corporate holders of Capital Securities will not be entitled to a 
dividends-received deduction with respect to any income recognized with 
respect to the Capital Securities. 

RECEIPT OF JUNIOR SUBORDINATED DEBENTURES OR CASH 

   Under certain circumstances, as described under "Description of the 
Capital Securities--Liquidation Distribution Upon Termination," Junior 
Subordinated Debentures may be distributed to holders in exchange for the 
Capital Securities upon the liquidation of the Issuer Trust. Under current 
law, such a distribution, for United States federal income tax purposes, 
would be treated as a non-taxable event to each holder, and each holder would 
receive an aggregate tax basis in the Junior Subordinated Debentures equal to 
such holder's aggregate tax basis in its Capital Securities. A holder's 
holding period in the Junior Subordinated Debentures received in liquidation 
of the Issuer Trust would include the period during which the Capital 
Securities were held by such holder. 

   Under certain circumstances, as described under "Description of the 
Capital Securities--Redemption", the Junior Subordinated Debentures may be 
redeemed by the Company for cash and the proceeds of such redemption 
distributed by the Issuer Trust to holders in redemption of their Capital 
Securities. Under current law, such a redemption would, for United States 
federal income tax purposes, constitute a taxable disposition of the redeemed 
Capital Securities, and a holder would recognize gain or loss as if it sold 
such redeemed Capital Securities for cash. See "--Sales of Capital 
Securities." 

SALES OF CAPITAL SECURITIES 

   A holder that sells Capital Securities will be considered to have disposed 
of all or part of the holder's pro rata share of the Junior Subordinated 
Debentures and will recognize gain or loss equal to the difference between 
its adjusted tax basis in the Capital Securities and the amount realized on 
the sale of 

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such Capital Securities. Assuming that the Company does not exercise its 
option to defer payment of interest on the Junior Subordinated Debentures, a 
holder's adjusted tax basis in the Capital Securities generally will be its 
initial purchase price. If the Junior Subordinated Debentures are deemed to 
be issued with OID as a result of the Company's deferral of any interest 
payment, a holder's tax basis in the Capital Securities generally will be its 
initial purchase price, increased by OID previously includible in such 
holder's gross income to the date of disposition and decreased by 
distributions or other payments received on the Capital Securities since and 
including the date of the first Extension Period. Such gain or loss generally 
will be a capital gain or loss (except to the extent of any accrued interest 
with respect to such holder's pro rata share of the Junior Subordinated 
Debentures not previously included in income) and generally will be a 
long-term capital gain or loss if the Capital Securities have been held for 
more than one year. 

   Should the Company exercise its option to defer any payment of interest on 
the Junior Subordinated Debentures, the Capital Securities may trade at a 
price that does not accurately reflect the value of accrued but unpaid 
interest with respect to the underlying Junior Subordinated Debentures. In 
the event of such a deferral, a holder who disposes of its Capital Securities 
between record dates for payments of distributions thereon will be required 
to include in income as ordinary income accrued but unpaid interest on the 
Junior Subordinated Debentures to the date of disposition and to add such 
amount to its adjusted tax basis in its pro rata share of the underlying 
Junior Subordinated Debentures deemed disposed of. To the extent the selling 
price is less than the holder's adjusted tax basis, such holder will 
recognize a capital loss. Subject to certain limited exceptions, capital 
losses cannot be applied to offset ordinary income for United States federal 
income tax purposes. 

CONDITIONAL RIGHT TO SHORTEN MATURITY 

   Prospective investors should be aware that the Company's exercise of its 
right to shorten the maturity of the Junior Subordinated Debentures will be a 
taxable event to holders of Capital Securities if the Junior Subordinated 
Debentures are treated as equity for purposes of United States federal income 
taxation before the maturity is shortened. See "Description of Capital 
Securities--Conditional Right to Shorten Maturity or Redeem upon a Tax 
Event," "Description of Junior Subordinated Debentures--Conditional Right to 
Shorten Maturity or Redeem upon a Tax Event" and "--Possible Tax Law 
Changes." 

POSSIBLE TAX LAW CHANGES 

   On February 6, 1997, as part of the fiscal budget submitted to Congress, 
the Clinton Administration proposed the Clinton Proposal which would, among 
other things, generally treat as equity, for federal income tax purposes, 
certain debt obligations, such as the Junior Subordinated Debentures, that 
were issued on or after the date of "first committee action". The Junior 
Subordinated Debentures were issued prior to the date of first committee 
action. The Clinton Proposal was not included in the tax legislation signed 
into law by President Clinton on August 5, 1997. There can be no assurance, 
however, that similar legislation enacted in the future will not adversely 
affect the tax treatment of the Junior Subordinated Debentures, which could 
result in the redemption of the Junior Subordinated Debentures by the Company 
and the distribution of the resulting cash in redemption of the Capital 
Securities or a shortening of the maturity of the Capital Securities. See 
"Description of Exchange Junior Subordinated Debentures--Redemption" and 
"Description of Exchange Capital Securities--Redemption." 

UNITED STATES ALIEN HOLDERS 

   For purposes of this discussion, a "United States Alien Holder" is any 
corporation, individual, partnership, estate or trust that is, as to the 
United States, a foreign corporation, a non-resident alien individual, a 
foreign partnership, or a non-resident fiduciary of a foreign estate or 
trust. 

   Under present United States federal income tax law: (i) payments by the 
Issuer Trust or any of its paying agents to any holder of a Capital Security 
who or which is a United States Alien Holder will not be subject to United 
States federal withholding tax; provided, that, (a) the beneficial owner of 
the Capital 

                               69           
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Security does not actually or constructively own 10% or more of the total 
combined voting power of all classes of stock of the Company entitled to 
vote, (b) the beneficial owner of the Capital Security is not a controlled 
foreign corporation that is related to the Company through stock ownership, 
and (c) either (A) the beneficial owner of the Capital Security certifies to 
the Issuer Trust or its agent, under penalties of perjury, that it is not a 
United States Alien Holder and provides its name and address or (B) a 
securities clearing organization, bank or other financial institution that 
holds customers' securities in the ordinary course of its trade or business 
(a "Financial Institution"), and holds the Capital Security in such capacity, 
certifies to the Issuer Trust or its agent, under penalties of perjury, that 
such statement has been received from the beneficial owner by it or by a 
Financial Institution holding such security for the beneficial owner and 
furnished the Issuer Trust or its agent with a copy thereof; and (ii) a 
United States Alien Holder of a Capital Security will not be subject to 
United States federal withholding tax on any gain realized upon the sale or 
other disposition of a Capital Security. 

   Proposed Treasury regulations could affect the procedures to be followed 
by a United States Alien Holder in establishing such holder's status for 
purposes of United States federal withholding tax rules. The proposed 
regulations, if adopted in their current form, generally would be effective 
for payments made after December 31, 1997. Prospective purchasers should 
consult their tax advisors concerning the potential adoption of such 
regulations and their effect on an investment in the Capital Securities. 

INFORMATION REPORTING TO HOLDERS 

   Generally, income on the Capital Securities will be reported to holders on 
Forms 1099, which forms should be mailed to holders of Capital Securities by 
January 31 following each calendar year. 

BACKUP WITHHOLDING 

   Payments made on, and proceeds from the sale of, the Capital Securities 
may be subject to a "backup" withholding tax of 31% unless the holder 
complies with certain identification requirements. Any withheld amounts will 
be allowed as a credit against the holder's United States federal income tax, 
provided the required information is provided to the IRS on a timely basis. 

   THE UNITED STATES FEDERAL INCOME TAX DISCUSSION SET FORTH ABOVE IS 
INCLUDED FOR GENERAL INFORMATION ONLY AND MAY NOT BE APPLICABLE DEPENDING 
UPON A HOLDER'S PARTICULAR SITUATION. HOLDERS SHOULD CONSULT THEIR TAX 
ADVISORS WITH RESPECT TO THE TAX CONSEQUENCES TO THEM OF THE PURCHASE, 
OWNERSHIP AND DISPOSITION OF THE CAPITAL SECURITIES AND THE EXCHANGE OF 
ORIGINAL CAPITAL SECURITIES FOR EXCHANGE CAPITAL SECURITIES PURSUANT TO THE 
EXCHANGE OFFER, INCLUDING THE TAX CONSEQUENCES UNDER STATE, LOCAL, FOREIGN 
AND OTHER TAX LAWS AND THE POSSIBLE EFFECTS OF CHANGES IN UNITED STATES 
FEDERAL OR OTHER TAX LAWS. 

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                         CERTAIN ERISA CONSIDERATIONS 

   Each fiduciary of a Plan should consider the fiduciary standards of ERISA 
in the context of the Plan's particular circumstances before authorizing an 
investment in the Capital Securities. Accordingly, among other factors, the 
fiduciary should consider whether the investment would satisfy the prudence 
and diversification requirements of ERISA and would be consistent with the 
documents and instruments governing the Plan. 

   Section 406 of ERISA and Section 4975 of the Code prohibit Plans, as well 
as individual retirement accounts and Keogh plans subject to Section 4975 of 
the Code (also "Plans"), from engaging in certain transactions involving 
"plan assets" with persons who are "parties in interest" under ERISA or 
"disqualified persons" under the Code ("Parties in Interest") with respect to 
such Plan. A violation of these "prohibited transaction" rules may result in 
an excise tax or other liabilities under ERISA and/or Section 4975 of the 
Code for such persons, unless exemptive relief is available under an 
applicable statutory or administrative exemption. Employee benefit plans that 
are governmental plans (as defined in Section 3(32) of ERISA), certain church 
plans (as defined in Section 3(33) of ERISA) and foreign plans (as described 
in Section 4(b)(5) of ERISA) are not subject to the requirements of ERISA or 
Section 4975 of the Code. 

   Under a regulation (the "Plan Assets Regulation") issued by the U.S. 
Department of Labor (the "DOL"), the assets of the Issuer Trust would be 
deemed to be "plan assets" of a Plan for purposes of ERISA and Section 4975 
of the Code if "plan assets" of the Plan were used to acquire an equity 
interest in the Trust and no exception were applicable under the Plan Assets 
Regulation. An "equity interest" is defined under the Plan Assets Regulation 
as any interest in an entity other than an instrument which is treated as 
indebtedness under applicable local law and which has no substantial equity 
features and specifically includes a beneficial interest in a trust. 

   Pursuant to an exception contained in the Plan Assets Regulation, the 
assets of the Issuer Trust would not be deemed to be "plan assets" of 
investing Plans if, immediately after the most recent acquisition of any 
equity interest in the Trust, less than 25% of the value of each class of 
equity interests in the Trust were held by Plans, other employee benefit 
plans not subject to ERISA or Section 4975 of the Code (such as governmental, 
church and foreign plans), and entities holding assets deemed to be "plan 
assets" of any Plan (collectively, "Benefit Plan Investors"). No assurance 
can be given by the Initial Purchasers that the value of the Capital 
Securities held by Benefit Plan Investors will be less than 25% of the total 
value of such Capital Securities at the completion of the initial offering or 
thereafter, and no monitoring or other measures will be taken with respect to 
the satisfaction of the conditions to this exception. All of the Common 
Securities will be purchased and held by the Company. 

   Certain transactions involving the Issuer Trust could be deemed to 
constitute direct or indirect prohibited transactions under ERISA and Section 
4975 of the Code with respect to a Plan if the Capital Securities were 
acquired with "plan assets" of such Plan and assets of the Issuer Trust were 
deemed to be "plan assets" of Plans investing in the Issuer Trust. For 
example, if the Company is a Party in Interest with respect to an investing 
Plan (either directly or by reason of its ownership of its subsidiaries), 
extensions of credit between the Company and the Issuer Trust (as represented 
by the Junior Subordinated Debentures and the Guarantee) would likely be 
prohibited by Section 406(a)(1)(B) of ERISA and Section 4975(c)(1)(B) of the 
Code, unless exemptive relief were available under an applicable 
administrative exemption (see below). In addition, if the Company were 
considered to be a fiduciary with respect to the Issuer Trust as a result of 
certain powers it holds (such as the powers to remove and replace the 
Property Trustee and the Administrators), the optional redemption or 
acceleration of the Junior Subordinated Debentures could be considered to be 
prohibited transactions under Section 406(b) of ERISA and Section 
4975(c)(1)(E) of the Code. In order to seek to avoid such prohibited 
transactions, each investing Plan, by purchasing the Capital Securities, will 
be deemed to have directed the Issuer Trust to invest in the Junior 
Subordinated Debentures and to have appointed the Property Trustee and will 
have certain powers with respect to the removal and replacement of the 
Property Trustee. 

   The DOL has issued five PTCEs that may provide exemptive relief for direct 
or indirect prohibited transactions resulting from the purchase or holding of 
the Capital Securities, assuming that assets of the 

                               71           
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Issuer Trust were deemed to be "plan assets" of Plans investing in the Trust 
(see above). Those class exemptions are PTCE 96-23 (for certain transactions 
determined by in-house asset managers), PTCE 95-60 (for certain transactions 
involving insurance company general accounts), PTCE 91-38 (for certain 
transactions involving bank collective investment funds), PTCE 90-1 (for 
certain transactions involving insurance company separate accounts), and PTCE 
84-14 (for certain transactions determined by independent qualified asset 
managers). 

   Because the Capital Securities may be deemed to be equity interests in the 
Issuer Trust for purposes of applying ERISA and Section 4975 of the Code, the 
Capital Securities may not be purchased or held by any Plan, any entity whose 
underlying assets include "plan assets" by reason of any Plan's investment in 
the entity (a "Plan Asset Entity") or any person investing "plan assets" of 
any Plan, unless such purchaser or holder is eligible for the exemptive 
relief available under PTCE 96-23, 95-60, 91-38, 90-1 or 84-14 or another 
applicable exemption. Any purchaser or holder of the Capital Securities or 
any interest therein will be deemed to have represented by its purchase and 
holding thereof that it either (a) is not a Plan or a Plan Asset Entity and 
is not purchasing such securities on behalf of or with "plan assets" of any 
Plan or (b) is eligible for the exemptive relief available under PTCE 96-23, 
95-60, 91-38, 90-1 or 84-14 or another applicable exemption with respect to 
such purchase or holding. See "Notice to Investors" herein. 

   In order to delineate fiduciary responsibility appropriately, each 
investing Plan, by purchasing the Capital Securities, will be deemed to have 
(i) directed the Issuer Trust to invest in the Junior Subordinated Debentures 
and (ii) appointed First Chicago (an entity unaffiliated with and independent 
of the Issuer Trust) as Property Trustee under the Trust Agreement 
responsible for certain administrative functions with respect to the Capital 
Securities. The appointment of First Chicago as Property Trustee in the 
preceding sentence does not extend beyond the duties of First Chicago as 
Property Trustee set forth in the Trust Agreement and First Chicago expressly 
assumes no other fiduciary responsibilities to the Plan, including without 
limitation any duty with respect to the prudence or diversification of 
investments under the Plan. 

   Due to the complexity of these rules and the penalties that may be imposed 
upon persons involved in non-exempt prohibited transactions, it is 
particularly important that fiduciaries or other persons considering 
purchasing the Capital Securities on behalf of or with "plan assets" of any 
Plan consult with their counsel regarding the potential consequences if the 
assets of the Issuer Trust were deemed to be "plan assets" and the 
availability of exemptive relief under PTCE 96-23, 95-60, 91-38, 90-1 or 
84-14 or any other applicable exemption. 

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                             PLAN OF DISTRIBUTION 

   
   Each broker-dealer that receives Exchange Securities for its own account 
pursuant to the Exchange Offer must acknowledge that it will deliver a 
prospectus in connection with any resale of such Exchange Securities. This 
Prospectus, as it may be amended or supplemented from time to time, may be 
used by a broker-dealer in connection with resales of Exchange Securities 
received in exchange for Securities where such Securities were acquired as a 
result of market-making activities or other trading activities. The Company 
has agreed that, for a period of 180 days after the Expiration Date, it will 
make this prospectus, as amended or supplemented, available to any 
broker-dealer for use in connection with any such resale. 
    

   The Company will not receive any proceeds from any sale of Exchange 
Securities by broker-dealers. Exchange Securities received by broker-dealers 
for their own account pursuant to the Exchange Offer may be sold from time to 
time in one or more transactions in the over-the-counter market, in 
negotiated transactions, through the writing of options on the Exchange 
Securities or a combination of such methods of resale, at market prices 
prevailing at the time of resale, at prices related to such prevailing market 
prices or negotiated prices. Any such resale may be made directly to 
purchasers or to or through brokers or dealers who may receive compensation 
in the form of commissions or concessions from any such broker-dealer or the 
purchasers of any such Exchange Securities. Any broker-dealer that resells 
Exchange Securities that were received by it for its own account pursuant to 
the Exchange Offer and any broker or dealer that participates in a 
distribution of such Exchange Securities may be deemed to be an "underwriter" 
within the meaning of the Securities Act and any profit on any such resale of 
Exchange Securities and any commission or concessions received by any such 
persons may be deemed to be underwriting compensation under the Securities 
Act. The Letter of Transmittal states that, by acknowledging that it will 
deliver and by delivering a prospectus, a broker-dealer will not be deemed to 
admit that it is an "underwriter" within the meaning of the Securities Act. 

   For a period of 180 days after the Expiration Date the Company will 
promptly send additional copies of this Prospectus and any amendment or 
supplement to this Prospectus to any broker-dealer that requests such 
documents in the Letter of Transmittal. The Company has agreed to pay all 
expenses incident to the Exchange Offer (including the expenses of one 
counsel for the Holders of the Securities) other than commissions or 
concessions of any brokers or dealers and will indemnify the Holders of the 
Securities (including any broker-dealers) against certain liabilities, 
including liabilities under the Securities Act. 

                            VALIDITY OF SECURITIES 

   The validity of the Exchange Capital Securities, the Exchange Guarantee 
and the Exchange Junior Subordinated Debentures will be passed upon for the 
Company by Robert C. Walker, Senior Vice President and General Counsel of the 
Company and by Skadden, Arps, Slate, Meagher & Flom LLP as special counsel to 
the Issuer Trust. Certain matters relating to United States federal income 
tax considerations will be passed upon for the Company by Skadden, Arps, 
Slate, Meagher & Flom LLP. 

                                   EXPERTS 

   The consolidated financial statements and schedules of Hartford Steam 
Boiler and consolidated subsidiaries included in the Company's Annual Report 
on Form 10-K as of December 31, 1996 and 1995, and for each of the years in 
the three-year period ended December 31, 1996, have been incorporated by 
reference herein and elsewhere in the Registration Statement, in reliance 
upon the report of Coopers & Lybrand LLP, independent certified public 
accountants, incorporated by reference herein, and upon the authority of said 
firm as experts in accounting and auditing. 

                               73           
<PAGE>
   NO PERSON HAS BEEN AUTHORIZED TO GIVE ANY INFORMATION OR TO MAKE ANY 
REPRESENTATIONS OTHER THAN THOSE CONTAINED IN THIS PROSPECTUS, AND, IF GIVEN 
OR MADE, SUCH INFORMATION OR REPRESENTATIONS MUST NOT BE RELIED UPON AS 
HAVING BEEN AUTHORIZED. NEITHER THE DELIVERY OF THIS PROSPECTUS NOR ANY SALE 
MADE HEREUNDER SHALL, UNDER ANY CIRCUMSTANCES, CREATE ANY IMPLICATION THAT 
THERE HAS BEEN NO CHANGE IN THE AFFAIRS OF THE COMPANY OR THE ISSUER TRUST 
SINCE THE DATE HEREOF OR THAT THE INFORMATION CONTAINED HEREIN IS CORRECT AS 
OF ANY TIME SUBSEQUENT TO ITS DATE. THIS PROSPECTUS DOES NOT CONSTITUTE AN 
OFFER TO SELL OR THE SOLICITATION OF AN OFFER TO BUY ANY SECURITIES OTHER 
THAN THE SECURITIES DESCRIBED IN THIS PROSPECTUS OR AN OFFER TO SELL OR THE 
SOLICITATION OF AN OFFER TO BUY SUCH SECURITIES IN ANY CIRCUMSTANCES IN WHICH 
SUCH OFFER OR SOLICITATION IS UNLAWFUL. 

                              TABLE OF CONTENTS 

   
<TABLE>
<CAPTION>
                                               PAGE 
                                             -------- 
<S>                                          <C>
Available Information ......................     7 
Incorporation of Certain Documents 
 by Reference ..............................     8 
Prospectus Summary .........................     9 
Risk Factors ...............................    16 
HSB Group, Inc. ............................    24 
Selected Consolidated Financial Data 
 and Other Information .....................    27 
HSB Capital I ..............................    29 
Ratio of Earnings to Fixed Charges and 
 Preferred Stock Dividend Requirements  ....    29 
Use of Proceeds ............................    30 
Capitalization .............................    30 
Accounting Treatment .......................    31 
Rating of Capital Securities ...............    31 
The Exchange Offer .........................    32 
Description of Exchange Securities  ........    42 
Relationship Among the Exchange Capital 
 Securities, the Exchange Junior 
 Subordinated Debentures and the Exchange 
 Guarantee .................................    65 
Certain Federal Income Tax Consequences  ...    67 
Certain ERISA Considerations ...............    71 
Plan of Distribution .......................    73 
Validity of Securities .....................    73 
Experts ....................................    73 
</TABLE>
    

                                 $110,000,000 

                                HSB CAPITAL I 

                         OFFER TO EXCHANGE ITS GLOBAL 
                      FLOATING RATE CAPITAL SECURITIES, 
                                   SERIES B 

                   (LIQUIDATION AMOUNT $1,000 PER EXCHANGE 
                 CAPITAL SECURITY) WHICH HAVE BEEN REGISTERED 
                   UNDER THE SECURITIES ACT OF 1933 FOR ANY 
                          AND ALL OF ITS OUTSTANDING 

                             GLOBAL FLOATING RATE 
                         CAPITAL SECURITIES, SERIES A 

     (LIQUIDATION AMOUNT $1,000 PER ORIGINAL CAPITAL SECURITY) FULLY AND 
        UNCONDITIONALLY GUARANTEED, TO THE EXTENT DESCRIBED HEREIN, BY 

                               HSB GROUP, INC. 

                                  PROSPECTUS 

NOVEMBER 5, 1997 
                                           
<PAGE>
                                   PART II 
                  INFORMATION NOT REQUIRED IN THE PROSPECTUS 

ITEM 20. INDEMNIFICATION OF DIRECTORS AND OFFICERS. 

   HSB Group's Articles of Incorporation provide that HSB will indemnify 
directors to the fullest extent permitted under the law. The Connecticut 
Business Corporation Act ("CBCA") permits a corporation to indemnify its 
directors against liability (including judgments, settlements, penalties and 
fines) if such individual acted in good faith, reasonably believed that his 
or her conduct was in the corporation's best interests and, in the case of 
criminal proceedings, had no reasonable cause to believe his or her conduct 
was unlawful. In a proceeding by or in the right of the corporation, the 
corporation may indemnify a director only for reasonable expenses, and may 
not indemnify a director who is adjudged liable to the corporation. 
Indemnification of such expenses is mandatory when a director is successful 
in the defense of any proceeding. The CBCA also permits a corporation to pay 
or reimburse the reasonable expenses incurred by a director who is a party to 
an action, suit or proceeding (whether civil, criminal, administrative or 
investigative) in advance of the final disposition of such action, suit or 
proceeding provided that (i) such director affirms in writing such director's 
good faith belief that the standard of conduct required under the statute has 
been met; (ii) such director furnishes a written undertaking to repay the 
corporation if it is ultimately determined that such standard has not been 
met; and (iii) a determination is made pursuant to the statute that the facts 
then known would not preclude indemnification under the statute. Provision 
for such advance of expenses in accordance with the CBCA is included in HSB 
Group's Articles of Incorporation. As permitted by the CBCA, HSB Group will 
continue to secure insurance which provides broader indemnification of 
directors than is required under the CBCA. 

                               II-1           
<PAGE>
 ITEM 21. EXHIBITS AND FINANCIAL STATEMENT SCHEDULES 

   
<TABLE>
<CAPTION>

 EXHIBIT 
- ----------- 
<S>          <C>
4.1          Indenture of HSB Group, Inc. relating to the Junior Subordinated Debentures (incorporated herein by 
             reference to Exhibit 4 to HSB Group, Inc.'s Quarterly Report on Form 10-Q for the quarter ended June 
             30, 1997 (File No. 001-13135))* 
4.2          First Supplemental Indenture of HSB Group, Inc. (incorporated herein by reference to Exhibit 4 to HSB 
             Group, Inc.'s Quarterly Report on Form 10-Q for the quarter ended June 30, 1997 (File No. 001-13135))* 
4.3          Form of Certificate of Exchange Junior Subordinated Debentures* 
4.4          Certificate of Trust of HSB Capital I* 
4.5          Amended and Restated Trust Agreement of HSB Capital Inc. (incorporated herein by reference to Exhibit 
             4 to HSB Group, Inc.'s Quarterly Report on Form 10-Q for the quarter ended June 30, 1997 (File No. 001-13135))* 
4.6          Form of Exchange Capital Security Certificate for HSB Capital I* 
4.7          Form of Exchange Guarantee of HSB Group, Inc. relating to the Exchange Capital Securities* 
4.8          Registration Rights Agreement* 
5.1          Opinion and Consent of Skadden, Arps, Slate, Meagher & Flom LLP to HSB Group, Inc. as to legality of 
             the Exchange Capital Securities to be issued by HSB Capital I* 
5.2          Opinion and Consent of Robert C. Walker, Senior Vice President and General Counsel, of HSB Group, Inc. 
             as to the Exchange Junior Subordinated Debentures and the Exchange Guarantee to be issued by HSB Group, 
             Inc.* 
8            Opinion and Consent of Skadden, Arps, Slate, Meagher & Flom LLP as to certain federal income tax matters* 
12.1         Computation of ratio of earnings to fixed charges* 
23.1         Consent of Coopers & Lybrand LLP* 
23.2         Consent of Skadden, Arps, Slate, Meagher & Flom LLP* 
23.3         Consent of Robert C. Walker, Senior Vice President and General Counsel of HSB Group, Inc.* 
23.4         Consent of Skadden, Arps, Slate, Meagher & Flom LLP* 
24           Power of Attorney of certain officers and directors of HSB Group, Inc.* 
25.1         Form T-1 Statement of Eligibility of The First National Bank of Chicago to act as trustee under the 
             Indenture* 
25.2         Form T-1 Statement of Eligibility of The First National Bank of Chicago to act as Property Trustee under 
             the Amended and Restated Trust Agreement of HSB Capital I* 
25.3         Form T-1 Statement of Eligibility of The First National Bank of Chicago under the Exchange Guarantee 
             for the benefit of the holders of Exchange Capital Securities of HSB Capital I* 
99.1         Form of Letter of Transmittal* 
99.2         Form of Notice of Guaranteed Delivery* 
99.3         Form of Exchange Agent Agreement* 
</TABLE>
    

   
- ------------ 
*     Previously filed 
    

ITEM 22. UNDERTAKINGS 

   Each of the undersigned Registrants hereby undertakes that, for purposes 
of determining any liability under the Securities Act of 1933, as amended, 
each filing of a Registrant's annual report pursuant to Section 13(a) or 
Section 15(d) of the Securities Exchange Act of 1934 (and, where applicable, 
each filing of an employee benefit plan's annual report pursuant to Section 
15(d) of the Securities Exchange Act of 1934) that is incorporated by 
reference in this Registration Statement shall be deemed to be a new 
registration statement relating to the securities offered herein, and the 
offering of such securities at that time shall be deemed to be the initial 
bona fide offering thereof. 

                               II-2           
<PAGE>
    Insofar as indemnification for liabilities arising under the Securities 
Act of 1933 may be permitted to directors, officers and controlling persons 
of each undersigned Registrant pursuant to the provisions, or otherwise, each 
Registrant has been advised that in the opinion of the Securities and 
Exchange Commission such indemnification is against public policy as 
expressed in the Act and is, therefore, unenforceable. In the event that a 
claim for indemnification against such liabilities (other than the payment by 
each undersigned Registrant of expenses incurred or paid by a director, 
officer of controlling person of each Registrant in the successful defense of 
any action, suit or proceeding) is asserted by such director, officer or 
controlling person in connection with the securities being registered, each 
Registrant will, unless in the opinion of its counsel the matter has been 
settled by the controlling precedent, submit to a court of appropriate 
jurisdiction the question whether such indemnification by it is against 
public policy as expressed in the Act and will be governed by the final 
adjudication of such issue. 

   The undersigned Registrants hereby undertake to respond to requests for 
information that is incorporated by reference into the Prospectus pursuant to 
Item 4, 10(b), 11 or 13 of this Form, within one business day of receipt of 
such request, and to send the incorporated documents by first class mail or 
other equally prompt means. This includes information contained in documents 
filed subsequent to the effective date of the registration statement through 
the date of responding to the request. 

                               II-3           
<PAGE>
                                  SIGNATURES 

   
   Pursuant to the requirements of the Securities Act of 1933, the HSB Group, 
Inc. certifies that it has reasonable grounds to believe that it meets all of 
the requirements for filing on Form S-4 and has duly caused this Amendment 
No. 1 to the Registration Statement to be signed on its behalf by the 
undersigned, thereunto duly authorized, in the City of Hartford, in the State 
of Connecticut, on the 9th of October, 1997. 
    

                                          HSB GROUP, INC. 
                                          By: /s/ GORDON W. KREH 

   
                                          ----------------------------------- 
                                              Gordon W. Kreh 
                                              President, Chief Executive 
                                          Officer 
                                              and Director 

   Pursuant to the requirements of the Securities Act of 1933, this Amendment 
No. 1 to the Registration Statement has been signed by the following persons 
in the capacities indicated on the 31st of October, 1997. 
    

   
<TABLE>
<CAPTION>
           SIGNATURE                            TITLE 
        ---------------                      ---------- 
<S>                           <C>  
      /S/ GORDON W. KREH      Chairman of the Board, Chief Executive 
 ---------------------------- Officer and Director 
        Gordon W. Kreh 
            
              *               Senior Vice President, Treasurer and 
 ---------------------------- Chief Financial Officer (Principal 
         Saul L. Basch        Financial Officer and Principal 
                              Accounting Officer) 
     /s/ ROBERT C. WALKER     Senior Vice President and General 
 ---------------------------- Counsel 
       Robert C. Walker 
              *               Director 
 ---------------------------- 
        Joel B. Alvord 
              *               Director 
 ---------------------------- 
       Richard H. Booth 
              *               Director 
 ---------------------------- 
       Colin G. Campbell 
              *               Director 
 ---------------------------- 
       Richard G. Dooley 
              *               Director 
 ---------------------------- 
       William B. Ellis 
              *               Director 
 ---------------------------- 
       E. James Ferland 
              *               Director 
 ---------------------------- 
       Simon W. Leathes 

                              II-4           
<PAGE>
           SIGNATURE                            TITLE
          -----------                          ------- 
              *               Director 
 ---------------------------- 
       Lois Dickson Rice 
              *               Director 
 ---------------------------- 
     John M. Washburn, Jr. 
              *               Director 
 ---------------------------- 
         Wilson Wilde 

   *By:/s/ROBERT C. WALKER 
 ---------------------------- 
       Attorney-in-fact 
</TABLE>
    

                               II-5           
<PAGE>
                                  SIGNATURES 

   
   Pursuant to the requirements of the Securities Act of 1933, HSB Capital I 
certifies that it has reasonable grounds to believe that it meets all the 
requirements for filing on Form S-4 and has duly caused this Amendment No. 1 
to the Registration Statement to be signed on its behalf by the undersigned, 
thereunto duly authorized, in the City of Hartford, in the State of 
Connecticut, on the 31st of October, 1997. 
    

                                          HSB Capital I 

                                          /s/ SAUL L. BASCH 
                                          ----------------------------------- 
                                          By Saul L. Basch 
                                          Administrative Trustee 

                                          /s/ R. KEVIN PRICE 
                                          ----------------------------------- 
                                          By R. Kevin Price 
                                          Administrative Trustee 

                                          /s/ ROBERT C. WALKER 
                                          ----------------------------------- 
                                          By Robert C. Walker 
                                          Administrative Trustee 

                               II-6           
<PAGE>
                                EXHIBIT INDEX 

   
<TABLE>
<CAPTION>
   EXHIBIT                                            DESCRIPTION 
- -----------                                        ---------------- 
<S>          <C>
     4.1     Indenture of HSB Group, Inc. relating to the Junior Subordinated Debentures (incorporated 
             herein by reference to Exhibit 4 to HSB Group, Inc.'s Quarterly Report on Form 10-Q for the 
             quarter ended June 30, 1997 (File No. 001-13135))* 
     4.2     First Supplemental Indenture of HSB Group, Inc.(incorporated herein by reference to Exhibit 
             4 to HSB Group, Inc.'s Quarterly Report on Form 10-Q for the quarter ended June 30, 1997 
             (File No. 001-13135))* 
     4.3     Form of Certificate of Exchange Junior Subordinated Debentures* 
     4.4     Certificate of Trust of HSB Capital I* 
     4.5     Amended and Restated Trust Agreement of HSB Capital I, (incorporated herein by reference to 
             Exhibit 4 to HSB Group, Inc.'s Quarterly Report on Form 10-Q for the quarter ended June 30, 
             1997 (File No. 001-13135))* 
     4.6     Form of Exchange Capital Security Certificate for HSB Capital I* 
     4.7     Form of Exchange Guarantee of HSB Group, Inc. relating to the Exchange Capital Securities* 
     4.8     Registration Rights Agreement* 
     5.1     Opinion and Consent of Skadden, Arps, Slate, Meagher & Flom LLP to HSB Group Inc. as to 
             legality of the Exchange Capital Securities to be issued by HSB Capital I* 
     5.2     Opinion and Consent of Robert C. Walker, Senior Vice President and General Counsel, of HSB 
             Group Inc. as to the Exchange Junior Subordinated Debentures and the Exchange Guarantee to 
             be issued by HSB Group, Inc.* 
     8       Opinion and Consent of Skadden, Arps, Slate, Meagher & Flom LLP, as to certain federal 
             income tax matters* 
    12.1     Computation of ratio of earnings to fixed charges * 
    23.1     Consent of Coopers & Lybrand LLP* 
    23.2     Consent of Skadden, Arps, Slate, Meagher & Flom LLP* 
    23.3     Consent of Robert C. Walker, Senior Vice President and General Counsel of HSB Group, Inc.* 
    23.4     Consent of Skadden, Arps, Slate, Meagher & Flom LLP* 
    24       Power of Attorney of certain officers and directors of HSB Group, Inc.* 
    25.1     Form T-1 Statement of Eligibility of The First National Bank of Chicago to act as trustee 
             under the Indenture* 
    25.2     Form T-1 Statement of Eligibility of The First National Bank of Chicago to act as Property 
             Trustee under the Amended and Restated Trust Agreement of HSB Capital I* 
    25.3     Form T-1 Statement of Eligibility of The First National Bank of Chicago under the Exchange 
             Guarantee for the benefit of the holders of Exchange Capital Securities of HSB Capital I* 
    99.1     Form of Letter of Transmittal* 
    99.2     Form of Notice of Guaranteed Delivery* 
    99.3     Form of Exchange Agent Agreement* 
</TABLE>
    

   
- ------------ 
* Previously filed 

                                      II-7





    


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