| Capital Ratios of Hanmi Financial and Bank | The capital ratios of Hanmi Financial and the Bank as of September 30, 2023 and December 31, 2022 were as follows:   
       
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        |   |   |   |   |   |   |   |   | Minimum |   |   | Minimum to Be |   |  
        |   |   |   |   |   |   |   |   | Regulatory |   |   | Categorized as |   |  
        |   |   | Actual |   |   | Requirement |   |   | “Well Capitalized” |   |  
        |   |   | Amount |   |   | Ratio |   |   | Amount |   |   | Ratio |   |   | Amount |   |   | Ratio |   |  
        |   |   | (dollars in thousands) |   |  
        | September 30, 2023 |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |  
        | Total capital (to risk-weighted assets): |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |  
        | Hanmi Financial |   | $ | 933,916 |   |   |   | 15.07 | % |   | $ | 495,714 |   |   |   | 8.00 | % |   | N/A |   |   | N/A |   |  
        | Hanmi Bank |   | $ | 893,375 |   |   |   | 14.42 | % |   | $ | 495,685 |   |   |   | 8.00 | % |   | $ | 619,607 |   |   |   | 10.00 | % |  
        | Tier 1 capital (to risk-weighted assets): |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |  
        | Hanmi Financial |   | $ | 761,969 |   |   |   | 12.30 | % |   | $ | 371,786 |   |   |   | 6.00 | % |   | N/A |   |   | N/A |   |  
        | Hanmi Bank |   | $ | 831,428 |   |   |   | 13.42 | % |   | $ | 371,764 |   |   |   | 6.00 | % |   | $ | 495,685 |   |   |   | 8.00 | % |  
        | Common equity Tier 1 capital (to risk-weighted assets) |   |   |   |   |                                                                                                       |   |   |   |   |   |   |   |   |   |   |   |   |   |  
        | Hanmi Financial |   | $ | 740,411 |   |   |   | 11.95 | % |   | $ | 278,839 |   |   |   | 4.50 | % |   | N/A |   |   | N/A |   |  
        | Hanmi Bank |   | $ | 831,428 |   |   |   | 13.42 | % |   | $ | 278,823 |   |   |   | 4.50 | % |   | $ | 402,744 |   |   |   | 6.50 | % |  
        | Tier 1 capital (to average assets): |   |   |   |   |                                           |   |   |   |   |   |   |   |   |   |   |   |   |   |  
        | Hanmi Financial |   | $ | 761,969 |   |   |   | 10.27 | % |   | $ | 296,662 |   |   |   | 4.00 | % |   | N/A |   |   | N/A |   |  
        | Hanmi Bank |   | $ | 831,428 |   |   |   | 11.25 | % |   | $ | 295,515 |   |   |   | 4.00 | % |   | $ | 369,394 |   |   |   | 5.00 | % |  
        |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |  
        | December 31, 2022 |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |  
        | Total capital (to risk-weighted assets): |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |  
        | Hanmi Financial |   | $ | 901,239 |   |   |   | 14.49 | % |   | $ | 497,508 |   |   |   | 8.00 | % |   | N/A |   |   | N/A |   |  
        | Hanmi Bank |   | $ | 860,503 |   |   |   | 13.86 | % |   | $ | 496,607 |   |   |   | 8.00 | % |   | $ | 620,758 |   |   |   | 10.00 | % |  
        | Tier 1 capital (to risk-weighted assets): |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |  
        | Hanmi Financial |   | $ | 728,344 |   |   |   | 11.71 | % |   | $ | 373,131 |   |   |   | 6.00 | % |   | N/A |   |   | N/A |   |  
        | Hanmi Bank |   | $ | 797,608 |   |   |   | 12.85 | % |   | $ | 372,455 |   |   |   | 6.00 | % |   | $ | 496,607 |   |   |   | 8.00 | % |  
        | Common equity Tier 1 capital (to risk-weighted assets) |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |  
        | Hanmi Financial |   | $ | 707,101 |   |   |   | 11.37 | % |   | $ | 279,848 |   |   |   | 4.50 | % |   | N/A |   |   | N/A |   |  
        | Hanmi Bank |   | $ | 797,608 |   |   |   | 12.85 | % |   | $ | 279,341 |   |   |   | 4.50 | % |   | $ | 403,493 |   |   |   | 6.50 | % |  
        | Tier 1 capital (to average assets): |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |  
        | Hanmi Financial |   | $ | 728,344 |   |   |   | 10.07 | % |   | $ | 289,311 |   |   |   | 4.00 | % |   | N/A |   |   | N/A |   |  
        | Hanmi Bank |   | $ | 797,608 |   |   |   | 11.07 | % |   | $ | 288,110 |   |   |   | 4.00 | % |   | $ | 360,137 |   |   |   | 5.00 | % |  |