Securities and Exchange Commission Washington, DC 20549 Under the Securities and Exchange Act of 1934 Schedule 13G Trenwick Group Ltd. (Name of Issuer) Common Stock, Par Value $.10 (Title of Class of Securities) G9032C109 (CUSIP Number) 1) Name of Reporting Person: CNA Financial Corporation SS or IRS Identification 36-6169860 Nos. of Above Persons: 2) Check the Appropriate Box (a) (b) X If A Member of Group (See Instructions) 3) SEC Use Only 4) Citizenship or Place of Organization Delaware Number of (5) Sole Voting Power 0 Shares Beneficially Owned (6) Shared Voting Power 3,707,400 by Each Reporting Person With: (7) Sole Dispositive Power 0 (8) Shared Dispositive Power: 3,707,400 9) Aggregate Amount Beneficially Owned by Each Reporting Person 3,707,400 10) Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) 11) Percent of Class Represented By Amount in Row 9 10.1% 12) Type of Reporting Person (See Instructions) HC Under Illinois Law, assets owned by Continental Casualty Company, an Illinois insurance company, are solely under the control of the board of directors of the insurer. The characterization of shared dispositive power with the parent holding company is made solely as a consequence of SEC interpretations regarding control of the subsidiary. CNA Financial Corporation and Loews Corporation specifically disclaim beneficial ownership of the securities identified herein. 1) Name of Reporting Person: Loews Corporation SS or IRS Identification 13-2646102 Nos. of Above Persons: 2) Check the Appropriate Box (a) (b) X If A Member of Group (See Instructions) 3) SEC Use Only 4) Citizenship or Place of Organization Delaware Number of (5) Sole Voting Power 0 Shares Beneficially Owned (6) Shared Voting Power 3,707,400 by Each Reporting Person With: (7) Sole Dispositive Power 0 (8) Shared Dispositive Power: 3,707,400 9) Aggregate Amount Beneficially Owned by Each Reporting Person 3,707,400 10) Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) 11) Percent of Class Represented By Amount in Row 9 10.1% 12) Type of Reporting Person (See Instructions) HC Under Illinois Law, assets owned by Continental Casualty Company an Illinois insurance company, are solely under the control of the board of directors of the insurer. The characterization of shared dispositive power with the parent holding company is made solely as a consequence of SEC interpretations regarding control of the subsidiary. CNA Financial Corporation and Loews Corporation specifically disclaim beneficial ownership of the securities identified herein. 1) Name of Reporting Person: Continental Casualty Company SS or IRS Identification 36-2114545 Nos. of Above Persons: 2) Check the Appropriate Box (a) (b) X If A Member of Group (See Instructions) 3) SEC Use Only 4) Citizenship or Place of Organization Illinois Number of (5) Sole Voting 0 Shares Beneficially Owned (6) Shared Voting 3,707,400 by Each Reporting Person With: (7) Sole Dispositive Power 0 (8) Shared Dispositive Power: 3,707,400 9) Aggregate Amount Beneficially Owned by Each Reporting Person 3,707,400 10) Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) 11) Percent of Class Represented By Amount in Row 9 10.1% 12) Type of Reporting Person (See Instructions) IC Under Illinois Law, assets owned by Continental Casualty Company an Illinois insurance company, are solely under the control of the board of directors of the insurer. The characterization of shared dispositive power with the parent holding company is made solely as a consequence of SEC interpretations regarding control of the subsidiary. CNA Financial Corporation and Loews Corporation specifically disclaim beneficial ownership of the securities identified herein. Item 1(a). Name of Issuer. The name of the issuer is Trenwick Group Ltd.(the "Company"). Item 1(b). Address of Issuer's Principal Executive Offices. The principal executive offices of the Issuer are located at: Continental Building 25 Church Street Hamilton HM12, Bermuda. Item 2(a). Name of Persons Filing: CNA Financial Corporation Loews Corporation Continental Casualty Company Item 2(b). Address of Principal Business Office: Continental Casualty Company - CNA Plaza, Chicago, Illinois 60685 CNA Financial Corporation - CNA Plaza, Chicago, Illinois 60685 Loews Corporation - 667 Madison Avenue, New York, New York 10021-8087 Item 2(c). Citizenship: Continental Casualty Company - State of Illinois CNA Financial Corporation - State of Delaware Loews Corporation - State of Delaware Item 2(d). Title of Class of Securities: Common Stock Item 2(e). CUSIP Number: G9032C109 Item 3. The persons filing this statement pursuant to Rule 13-1(b) or 13d-2 are each: (g) Parent Holding Company (HC) (Relevant subsidiary is Continental Casualty Company, an Illinois domiciled insurance company.) or an Insurance Company (IC). Item 4. Ownership. Under Illinois Law, assets owned by Continental Casualty Company an Illinois insurance company, are solely under the control of the board of directors of the insurer. The characterization of shared dispositive power with the parent holding company is made solely as a consequence of SEC interpretations regarding control.) Continental CNA Loews Casualty Financial Corporation Company Corp. (a) Amount Beneficially Owned: 3,707,400 3,707,400 3,707,400 (b) Percent of Class 10.1% 10.1% 10.1% Item 4. Continental CNA Loews Casualty Financial Corporation Company Corp. (c) Number of shares as to which such person has: (i) sole power to vote or to direct the vote 0 0 0 (ii) shared power to vote or to direct vote 3,707,400 3,707,400 3,707,400 (iii) sole power to dispose or to direct disposition of 0 0 0 (iv) shared power to dispose or to direct disposition 3,707,400 3,707,400 3,707,400 Item 5. Ownership of Five Percent or Less of a Class. Inapplicable. Item 6. Ownership of More than Five Percent on Behalf of Another Person. Inapplicable. Item 7. Identification and Classification of the Subsidiary which Acquired the Security Being Reported On By the Parent Holding Company. Continental Casualty Company, an Illinois insurance company (IC). (See Exhibit 1.) Item 8. Identification and Classification of Members of the Group. Inapplicable. Item 9. Notice of Dissolution of the Group. Inapplicable. Item 10. Certification of CNA Financial Corporation. By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired in the ordinary course of business and were not acquired for the purpose of and do not have the effect of changing or influencing the control of the issuer of such securities and were not acquired in connection with or as a participant in any transactions having such purposes or effect. After reasonable inquiry and to the best of my knowledge and believe, I certify that the information set forth in this statement is true, complete and correct. February 14, 2001 Date /s/ Jonathan D. Kantor Signature Jonathan D. Kantor Senior Vice President, General Counsel and Secretary Item 10. Certification of Loews Corporation. By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired in the ordinary course of business and were not acquired for the purpose of and do not have the effect of changing or influencing the control of the issuer of such securities and were not acquired in connection with or as a participant in any transactions having such purposes or effect. After reasonable inquiry and to the best of my knowledge and believe, I certify that the information set forth in this statement is true, complete and correct. February 14, 2001 Date /s/ Barry Hirsch Signature Barry Hirsch Senior Vice President, Secretary and General Counsel Item 10. Certification of Continental Casualty Company. By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired in the ordinary course of business and were not acquired for the purpose of and do not have the effect of changing or influencing the control of the issuer of such securities and were not acquired in connection with or as a participant in any transactions having such purposes or effect. After reasonable inquiry and to the best of my knowledge and believe, I certify that the information set forth in this statement is true, complete and correct. February 14, 2001 Date /s/ Jonathan D. Kantor Signature Jonathan D. Kantor Senior Vice President, General Counsel and Secretary Exhibit 1 Loews Corporation holds in excess of 87% of the equity of CNA Financial Corporation. CNA Financial Corporation owns 100% of the relevant subsidiary, Continental Casualty Company, an Illinois domiciled insurance company (IC). Continental Casualty Company is the direct owner of the position being reported. Exhibit 2 Each of the undersigned hereby agrees that the Schedule 13G filed herewith is filed jointly, pursuant to Rule 13d-l(f) of the Securities and Exchange Act of 1934, as amended, on behalf of each of the undersigned. CONTINENTAL CASUALTY COMPANY /s/ Jonathan D. Kantor Signature Jonathan D. Kantor Senior Vice President, General Counsel and Secretary CNA FINANCIAL CORPORATION /s/ Jonathan D. Kantor Signature Jonathan D. Kantor Senior Vice President, General Counsel and Secretary LOEWS CORPORATION /s/ Barry Hirsch Signature Barry Hirsch Senior Vice President, Secretary and General Counsel