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EXHIBIT 21.1 PRIMARY SUBSIDIARIES OF CNA FINANCIAL CORPORATION

|                                                                         |  |                        |  | 
|------------------------------------------------------------------------ |  | ---------------------- |  | 
|COMPANY                                                                  |  | PLACE OF INCORPORATION | 
|American Casualty Company of Reading, Pennsylvania                       |  | Pennsylvania          
|Boston Old Colony Insurance Company                                      |  | Massachusetts         
|CNA Casualty of California                                               |  | California            
|CNA Group Life Assurance Company                                         |  | Illinois              
|CNA Lloyds of Texas                                                     |  | Texas                 
|CNA Reinsurance Company, Ltd.                                            |  | United Kingdom        
|CNA Surety Corporation                                                   |  | Delaware              
|Columbia Casualty Company                                                |  | Illinois              
|Commercial Insurance Company of Newark, New Jersey                       |  | New Jersey            
|Continental Assurance Company                                            |  | Illinois              
|Continental Casualty Company                                             |  | Illinois              
|Continental Reinsurance Corporation                                      |  | California            
|Firemens Insurance Company of Newark, New Jersey                        |  | New Jersey            
|First Insurance Company of Hawaii, Ltd.                                  |  | Hawaii                
|Kansas City Fire & Marine Insurance Company                              |  | Missouri              
|National Fire Insurance Company of Hartford                              |  | Connecticut           
|National-Ben Franklin Insurance Company of Illinois                      |  | Illinois              
|Niagara Fire Insurance Company                                           |  | Delaware              
|Pacific Insurance Company                                                |  | California            
|RSKCo Services, Inc.                                                     |  | Illinois              
|The Buckeye Union Insurance Company                                      |  | Ohio                  
|The Continental Insurance Company                                        |  | New Hampshire         
|The Continental Insurance Company of New Jersey                          |  | New Jersey            
|The Continental Corporation                                              |  | New York              
|The Fidelity & Casualty Company of New York                              |  | New Hampshire         
|The Glens Falls Insurance Company                                        |  | Delaware              
|The Mayflower Insurance Company, Ltd.                                    |  | Indiana               
|Transcontinental Insurance Company                                       |  | New York              
|Transportation Insurance Company                                         |  | Illinois              
|Valley Forge Insurance Company                                           |  | Pennsylvania          
|Valley Forge Life Insurance Company                                      |  | Pennsylvania          
|All other subsidiaries, when aggregated, are not considered significant. |  |                        |  | 

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