SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K/A Amendment No. 1 to Form 10-K /X/ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 1997 OR / / TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from ______ to ______ Commission File Number 001-13135 HSB GROUP, INC. (Exact name of registrant as specified in its charter) Connecticut 06-1475343 (State or other jurisdiction of (I.R.S. Employer incorporation or organization) Identification No.) P.O. Box 5024 One State Street Hartford, Connecticut 06102-5024 (Address of principal executive offices) (Zip Code) Registrant's telephone number, including area code: (860) 722-1866 Securities registered pursuant to Section 12(b) of the Act: Name of each exchange Title of each class on which registered Common stock, without par value New York Stock Exchange, Inc. Rights to Purchase Depositary Receipts New York Stock Exchange, Inc. Securities registered pursuant to Section 12(g) of the Act: None Indicate by check mark whether the registrant (1) has filed all reports to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. Yes...X..., No....... Indicate by check mark if disclosure of delinquent filers pursuant to Item 405 of Regulation S-K is not contained herein, and will not be contained, to the best of registrant's knowledge, in definitive proxy or information statements incorporated by reference in Part III of this Form 10-K or any amendment to this Form 10-K.....X....... The aggregate market value of the voting stock held by non-affiliates of the registrant as of February 17, 1998 was $1,179,041,668. Number of shares of common stock outstanding as of February 17, 1998: 19,409,870. Documents Incorporated by Reference: Portions of the Proxy Statement dated March 6, 1998 for the Annual Meeting of Shareholders to be held April 21, 1998 are incorporated by reference in Parts III and IV herein. Adoption of Statement of Financial Accounting Standards No. 128, "Earnings per share", for the fiscal year ended December 31, 1997 resulted in a change in accounting principle which, under Regulation S-K, Item 601 (c)(2)(iii), requires restatement of previously filed financial data schedules. Accordingly, this Amendment No. 1 to Form 10-K is being filed to include restated financial data schedules for the latest three fiscal years and interim year to date periods for the latest two fiscal years. PART IV Item 14. Exhibits, Financial Statement Schedules, and Reports on Form 8-K. (a) The financial statements and schedules listed in the Index to Financial Statements and Financial Statement Schedules on page 40 of the Form 10-K for the year ended December 31, 1997 filed March 31, 1998 were filed as part of that report. (b) Reports on Form 8-K - (i) Form 8-K dated January 12, 1998 to report sale of interest in Industrial Risk Insurers and $300 million of convertible capital securities to Employers Reinsurance Corporation; and (ii) Form 8-K dated January 28, 1998 to report Fourth Quarter 1997 Results of Registrant. (c) The exhibits listed in the accompanying Index to Exhibits are filed as part of this report. SIGNATURES Pursuant to the requirements of Section 13 of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized. HSB GROUP, INC. (Registrant) By: /s/ Gordon W. Kreh ------------------ Gordon W. Kreh President and Chief Executive Officer May 8, 1998 Pursuant to the requirements of the Securities Exchange Act of 1934, this report has been signed below by the following persons on behalf of the Registrant and in the capacities and on the dates indicated. (Signature) (Title) By:/s/ Gordon W. Kreh ------------------- Gordon W. Kreh President, Chief Executive Officer May 8, 1998 and Director /s/ Saul L. Basch - ------------------- Senior Vice President, Treasurer Saul L. Basch and Chief Financial Officer May 8, 1998 (Principal Financial Officer and Principal Accounting Officer) /s/ Robert C. Walker - ---------------------- Robert C. Walker Senior Vice President and General Counsel May 8, 1998 (Joel B Alvord)* Director (Colin G. Campbell)* Director (Richard G. Dooley)* Director (William B. Ellis)* Director (E. James Ferland)* Director (Simon W. Leathes)* Director (Lois Dickson Rice)* Director (John M. Washburn, Jr.)* Director (Wilson Wilde)* Director *By: /s/ Robert C. Walker -------------------- Robert C. Walker (Attorney-in-Fact) May 8, 1998 INDEX TO EXHIBITS Exhibit Number Description ***(3)(i) Certificate of Incorporation of HSB Group, Inc. ***(3)(ii) By-laws of HSB Group, Inc. **(4)(i) Rights Agreement dated November 28, 1988 between The Hartford Steam Boiler Inspection and Insurance Company ("HSBIIC") and The First National Bank of Boston, as Rights Agent; assumed by Registrant; incorporated by reference to Exhibit 4(i) to HSBIIC's Form 10-K for the year ended December 31, 1995, File No. 001-10527. **(4)(ii) Documents related to HSB Capital I: (a) Indenture of Registrant relating to the Junior Subordinated Debentures, incorporated by reference to Exhibit 4 to Registrant's Quarterly Report on Form 10-Q for the quarter ended June 30, 1997, File No. 001-13135. (b) First Supplemental Indenture of Registrant, incorporated by reference to Exhibit 4 to Registrant's Quarterly Report on Form 10-Q for the quarter ended June 30, 1997, File No. 001-13135. (c) Form of Certificate of Exchange Junior Subordinated Debentures, incorporated by reference to Exhibit 4.3 to Registrant's and HSB Capital I's Registration Statement on Form S-4 filed with the Commission on October 10, 1997, Registration No. 333-37581. (d) Certificate of Trust of HSB Capital I, incorporated by reference to Exhibit 4.4 to Registrant's and HSB Capital I's Registration Statement on Form S-4 filed with the Commission on October 10, 1997, Registration No. 333-37581. (e) Amended and Restated Trust Agreement of HSB Capital I, incorporated by reference to Exhibit 4 to Registrant's Quarterly Report on Form 10-Q for the quarter ended June 30, 1997, File No. 001-13135. (f) Form of Exchange Capital Security Certificate for HSB Capital I, incorporated by reference to Exhibit 4.6 to Registrant's and HSB Capital I's Registration Statement on Form S-4 filed with the Commission on October 10, 1997, Registration No. 333-37581. (g) Form of Exchange Guarantee of Registrant relating to the Exchange Capital Securities, incorporated by reference to Exhibit 4.7 to Registrant's and HSB Capital I's Registration Statement on Form S-4 filed with the Commission on October 10, 1997, Registration No. 333-37581. Documents related to HSB Capital II: (a) Purchase Agreement as of December 31, 1997 among Employers Reinsurance Corporation, ERC Life Reinsurance Corporation and Registrant, incorporated by reference to Registrant's Current Report on Form 8-K. File No. 001-13135, filed January 12, 1998 (the "January 12, 1998 8-K). (b) Indenture of Registrant relating to the 7.0% Convertible Subordinated Deferrable Interest Debentures Due December 31, 2017, incorporated by reference to the January 12, 1998 8-K. (c) Form of Certificate of 7.0% Convertible Subordinated Deferrable Interest Debentures due December 31, 2017, incorporated by reference to the January 12, 1998 8-K. (d) Certificate of Trust of HSB Capital II, incorporated by reference to the January 12, 1998 8-K. (e) Trust Agreement dated as of December 31, 1997 among Registrant, The First National Bank of Chicago, First Chicago Delaware Inc. and The Administrative Trustees named therein, incorporated by reference to the January 12, 1998 8-K. (f) Form of Capital Securities Certificate of HSB Capital II, incorporated by reference to the January 12, 1998 8-K. (g) Guarantee Agreement between Registrant and The First National Bank of Chicago dated as of December 31, 1997 relating to HSB Capital II, incorporated by reference to the January 12, 1998 8-K. (h) Registration Rights Agreement dated as of December 31, 1997 among Employers Reinsurance Corporation, ERC Life Reinsurance Corporation and Registrant, incorporated by reference to the January 12, 1998 8-K. **(10)(i) (a) Lease Agreement between HSBIIC and One State Street Limited Partnership; incorporated by reference to Exhibit (10)(i) to HSBIIC's Form 10. File No. 0-13300, filed March 18, 1985. **(10)(iii) (a) Employment Agreement dated February 3, 1997 between HSBIIC and various executive officers, assumed by Registrant; incorporated by reference to HSBIIC's Form 10-K for the year ended December 31, 1996, filed with the Commission on March 31, 1997, File No. 001-10527 (the "1996 10-K").* (b) The Hartford Steam Boiler Inspection and Insurance Company Long-Term Incentive Plan, as amended and restated December 23, 1996, assumed by Registrant; incorporated by reference to the 1996 10-K.* (c) The Hartford Steam Boiler Inspection and Insurance Company Short-Term Incentive Plan, as amended and restated December 23, 1996, assumed by Registrant; incorporated by reference to the 1996 10-K.* (d)The Hartford Steam Boiler Inspection and Insurance Company 1985 Stock Option Plan, as amended and restated December 23, 1996, assumed by Registrant, incorporated by reference to the 1996 10-K. * (e) The Hartford Steam Boiler Inspection and Insurance Company 1995 Stock Option Plan, as amended and restated effective December 23, 1996, assumed by Registrant, incorporated by reference to the 1996 10-K. * (f) Pre-Retirement Death Benefit and Supplemental Pension Agreement between HSBIIC and various executive officers, as amended and restated effective March 14, 1997, assumed by Registrant, incorporated by reference to the 1996 10-K. * (g) Pre-Retirement Death Benefit and Supplemental Pension Agreement between HSBIIC and William A. Kerr, dated March 14, 1997, assumed by Registrant, incorporated by reference to the 1996 10-K. * (h) Pre-Retirement Death Benefit and Supplemental Pension Agreement between HSBIIC and Robert C. Walker, dated March 14, 1997, assumed by Registrant, incorporated by reference to the 1996 10-K.* (i) The Hartford Steam Boiler Inspection and Insurance Company Directors Stock and Deferred Compensation Plan, assumed by Registrant, incorporated by reference to the 1996 10-K.* (j) Description of certain arrangements not set forth in any formal documents, as described on pages 5 - 6, with respect to directors' compensation, and on pages 8 -16, with respect to executive officer's compensation, which pages are incorporated by reference to Registrant's Proxy Statement dated and filed March 6, 1998. * ***(21) Subsidiaries of the Registrant. ***(23) Consent of experts and counsel - consent of Coopers & Lybrand. (24) Power of attorney. (27) Financial Data Schedule. 27.1 Restated Financial Data Schedule 27.2 Restated Financial Data Schedule 27.3 Restated Financial Data Schedule 27.4 Restated Financial Data Schedule 27.5 Restated Financial Data Schedule 27.6 Restated Financial Data Schedule 27.7 Restated Financial Data Schedule 27.8 Restated Financial Data Schedule 27.9 Restated Financial Data Schedule * Management contract, compensatory plan or arrangement required to be filed as an exhibit pursuant to Item 14(c) of this report. ** Previously filed. *** Filed with the Form 10-K for the year ended December 31, 1997 filed on March 31, 1998.