| Capital Ratios of Hanmi Financial and Bank | The capital ratios of Hanmi Financial and the Bank as of March 31, 2020 and December 31, 2019 were as follows:   
|   |   |   |   |   |   |   |   |   |   | Minimum |   |   | Minimum to Be |   |  
|   |   |   |   |   |   |   |   |   |   | Regulatory |   |   | Categorized as |   |  
|   |   | Actual |   |   | Requirement |   |   | “Well Capitalized” |   |  
|   |   | Amount |   |   | Ratio |   |   | Amount |   |   | Ratio |   |   | Amount |   |   | Ratio |   |  
|   |   | (in thousands) |   |  
| March 31, 2020 |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |  
| Total capital (to risk-weighted assets): |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |  
| Hanmi Financial |   | $ | 697,648 |   |   |   | 14.77 | % |   | $ | 377,815 |   |   |   | 8.00 | % |   | N/A |   |   | N/A |   |  
| Hanmi Bank |   | $ | 676,231 |   |   |   | 14.29 | % |   | $ | 378,465 |   |   |   | 8.00 | % |   | $ | 473,082 |   |   |   | 10.00 | % |  
| Tier 1 capital (to risk-weighted assets): |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |  
| Hanmi Financial |   | $ | 543,885 |   |   |   | 11.52 | % |   | $ | 283,361 |   |   |   | 6.00 | % |   | N/A |   |   | N/A |   |  
| Hanmi Bank |   | $ | 620,857 |   |   |   | 13.12 | % |   | $ | 283,849 |   |   |   | 6.00 | % |   | $ | 378,465 |   |   |   | 8.00 | % |  
| Common equity Tier 1 capital (to risk-weighted assets) |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |  
| Hanmi Financial |   | $ | 523,750 |   |   |   | 11.09 | % |   | $ | 212,521 |   |   |   | 4.50 | % |   | N/A |   |   | N/A |   |  
| Hanmi Bank |   | $ | 620,857 |   |   |   | 13.12 | % |   | $ | 212,887 |   |   |   | 4.50 | % |   | $ | 307,503 |   |   |   | 6.50 | % |  
| Tier 1 capital (to average assets): |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |  
| Hanmi Financial |   | $ | 543,885 |   |   |   | 9.91 | % |   | $ | 219,485 |   |   |   | 4.00 | % |   | N/A |   |   | N/A |   |  
| Hanmi Bank |   | $ | 620,857 |   |   |   | 11.35 | % |   | $ | 218,811 |   |   |   | 4.00 | % |   | $ | 273,514 |   |   |   | 5.00 | % |  
|   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |  
| December 31, 2019 |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |  
| Total capital (to risk-weighted assets): |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |  
| Hanmi Financial |   | $ | 714,288 |   |   |   | 15.11 | % |   | $ | 378,059 |   |   |   | 8.00 | % |   | N/A |   |   | N/A |   |  
| Hanmi Bank |   | $ | 691,024 |   |   |   | 14.64 | % |   | $ | 377,516 |   |   |   | 8.00 | % |   | $ | 471,895 |   |   |   | 10.00 | % |  
| Tier 1 capital (to risk-weighted assets): |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |  
| Hanmi Financial |   | $ | 556,820 |   |   |   | 11.78 | % |   | $ | 283,544 |   |   |   | 6.00 | % |   | N/A |   |   | N/A |   |  
| Hanmi Bank |   | $ | 631,978 |   |   |   | 13.39 | % |   | $ | 283,137 |   |   |   | 6.00 | % |   | $ | 377,516 |   |   |   | 8.00 | % |  
| Common equity Tier 1 capital (to risk-weighted assets) |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |  
| Hanmi Financial |   | $ | 536,781 |   |   |   | 11.36 | % |   | $ | 212,658 |   |   |   | 4.50 | % |   | N/A |   |   | N/A |   |  
| Hanmi Bank |   | $ | 631,978 |   |   |   | 13.39 | % |   | $ | 212,353 |   |   |   | 4.50 | % |   | $ | 306,732 |   |   |   | 6.50 | % |  
| Tier 1 capital (to average assets): |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |  
| Hanmi Financial |   | $ | 556,820 |   |   |   | 10.15 | % |   | $ | 219,367 |   |   |   | 4.00 | % |   | N/A |   |   | N/A |   |  
| Hanmi Bank |   | $ | 631,978 |   |   |   | 11.56 | % |   | $ | 218,748 |   |   |   | 4.00 | % |   | $ | 273,435 |   |   |   | 5.00 | % |  |