<Page> EXHIBIT 21 SUBSIDIARIES OF THE ALLSTATE CORPORATION <Table> <Caption> JURISDICTION COMPANY OF ORGANIZATION - ------- --------------- THE ALLSTATE CORPORATION Delaware Allstate Insurance Company Illinois Allstate International Insurance Holdings, Inc. Delaware Allstate Non-Insurance Holdings, Inc. Delaware Allstate Bank United States American Heritage Life Investment Corporation Delaware Kennett Capital, Inc. Delaware Willow Insurance Holdings Inc. Delaware Allstate Financing II Delaware ALLSTATE INSURANCE COMPANY (Subsidiary of The Allstate Corporation) Allstate Fire and Casualty Insurance Company Illinois Allstate Financial, LCC Delaware Allstate Financial Corporation Illinois Allstate Holdings, LLC Delaware Allstate Indemnity Company Illinois Allstate Insurance Company of Canada Canada Allstate International Inc. Delaware Allstate Life Insurance Company Illinois Allstate New Jersey Holdings, LLC Delaware Allstate North American Insurance Company Illinois Allstate Property and Casualty Insurance Company Illinois Allstate Texas Lloyd's, Inc. Texas The Northbrook Corporation Nebraska Ivantage Group, LLC Delaware ALLSTATE HOLDINGS, LLC (Subsidiary of Allstate Insurance Company) Allstate Floridian Insurance Company Illinois Allstate Floridian Indemnity Company Illinois ALLSTATE INSURANCE COMPANY OF CANADA (Subsidiary of Allstate Insurance Company) Allstate Life Insurance Company of Canada Canada </Table> 1 <Page> <Table> ALLSTATE LIFE INSURANCE COMPANY (Subsidiary of Allstate Insurance Company) AFDW, Inc. Oregon Allstate Distributors, L.L.C. Delaware AFD, Inc. Illinois Allstate Financial Advisors, LLC Delaware Allstate Financial Services, LLC Delaware ALFS, Inc. Delaware Allstate Life Insurance Company of New York New York Allstate Assignment Company Nebraska Allstate Settlement Corporation Nebraska Charter National Life Insurance Company Illinois Glenbrook Life and Annuity Company Arizona Intramerica Life Insurance Company New York Lincoln Benefit Life Company Nebraska LSA Asset Management, LLC Delaware Northbrook Life Insurance Company Arizona Allstate Assurance Company Illinois Surety Life Insurance Company Nebraska ALLSTATE NEW JERSEY HOLDINGS, LLC (Subsidiary of Allstate Insurance Company) Allstate New Jersey Insurance Company Illinois IVANTAGE GROUP, LLC (Subsidiary of Allstate Insurance Company) Ivantage Select Agency, Inc. Illinois Northbrook Indemnity Company Illinois NORTHBROOK INDEMNITY COMPANY (Subsidiary of Ivantage Group, LLC) Deerbrook Insurance Company Illinois Encompass Indemnity Company Florida Willow Lake Holdings, LLC Delaware Encompass Holdings, LLC Delaware ENCOMPASS HOLDINGS, LLC (Subsidiary of Northbrook Indemnity Company) USF&G Business Insurance Company Maryland ALLSTATE INTERNATIONAL INSURANCE HOLDINGS, INC. (Subsidiary of The Allstate Corporation) Allstate Reinsurance Ltd. Bermuda Pafco Underwriting Managers Inc. Ontario Pembridge America Inc. Florida </Table> 2 <Page> <Table> PAFCO UNDERWRITING MANAGERS INC. (Subsidiary of Allstate International Insurance Holdings, Inc.) Pembridge Insurance Company Ontario ALLSTATE NON-INSURANCE HOLDINGS, INC. (Subsidiary of The Allstate Corporation) Allstate Enterprises, Inc. Delaware Allstate Investment Management Company Delaware Allstate Investments, LLC Delaware Ivory Holdings, LLC Oklahoma Northbrook Services, Inc. Delaware Northbrook Technology of Northern Ireland, Limited Northern Ireland Sterling Collision Centers, Inc. Delaware Tech-Cor, Inc. Delaware ALLSTATE ENTERPRISES, INC. (Subsidiary of Allstate Non-Insurance Holdings, Inc.) Allstate Motor Club, Inc. Delaware Roadway Protection Auto Club, Inc. Delaware Allstate Motor Club of Canada Inc. Canada ALLSTATE MOTOR CLUB, INC. (Subsidiary of Allstate Enterprises, Inc.) Direct Marketing Center Inc. Delaware Enterprises Services Corporation Delaware Rescue Express, Inc. Delaware STERLING COLLISION CENTERS (Subsidiary of Allstate Non-Insurance Holdings, Inc.) Bob Thompson Enterprises, Inc. Pennsylvania Pacific Painters, Inc. Texas Champions Pride Electronics and Trim, Inc., d/b/a Champion's Pride Collision Texas JSI Collision Centers, Inc., formerly Johnny's Service, Inc. Ohio Westborn Collision, Inc. Michigan AMERICAN HERITAGE LIFE INVESTMENT CORPORATION (Subsidiary of The Allstate Corporation) American Heritage Life Insurance Company Florida American Heritage Service Company Florida Colonial Reinsurance, Ltd. British Virgin Islands E.R.J Insurance Group, Inc. Florida Florida Associated Services, Inc. Florida </Table> 3 <Page> <Table> AMERICAN HERITAGE LIFE INSURANCE COMPANY (Subsidiary of American Heritage Life Investment Corporation) Fidelity International Company, Ltd. Bahamas First Colonial Insurance Company Florida St. Johns Bluff Timber Company Florida Columbia Universal Life Insurance Company Texas Concord Heritage Life Insurance Company Inc. New Hampshire Keystone State Life Insurance Company Pennsylvania FIDELITY INTERNATIONAL COMPANY, LIMITED (Subsidiary of American Heritage Life Insurance Company) Fidelity International Insurance Company, Limited Bahamas KEYSTONE STATE LIFE INSURANCE COMPANY (Subsidiary of American Heritage Life Insurance Company) KSL Marketing Inc. Pennsylvania OTHER Allstate County Mutual Insurance Company Texas (A mutual company owned by policy holders. Officers and employees of Allstate Insurance Company serve as directors and officers of Allstate County Mutual Insurance Company.) Allstate Texas Lloyd's Texas An insurance syndicate organized under the laws of Texas. Allstate Texas Lloyd's, Inc. (a direct wholly-owned subsidiary of Allstate Insurance Company) is the attorney-in-fact for this syndicate. </Table> 4