| Schedule of Compliance with Regulatory Capital Requirements under Banking Regulations |
The following table summarizes both the Corporation’s and Banks’ capital ratios and the ratios required by their federal regulators at December 31, 2016 and 2015, respectively: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Actual | | Minimum Required for Capital Adequacy Purposes | | For Capital Adequacy Purposes Plus Capital Conservation Buffer | | Minimum Required to Be Well Capitalized Under Prompt Corrective Action Requirements | | | Amount | | Ratio | | Amount | | Ratio | | Amount | | Ratio | | Amount | | Ratio | | | (Dollars in Thousands) | As of December 31, 2016 | | | | | | | | | | | | | | | | | Total capital (to risk-weighted assets) | | | | | | | | | | | | | | | | | Consolidated | | $ | 204,117 |
| | 11.74 | % | | $ | 139,101 |
| | 8.00 | % | | $ | 149,968 |
| | 8.625 | % | | N/A |
| | N/A |
| First Business Bank | | 147,811 |
| | 11.55 |
| | 102,362 |
| | 8.00 |
| | 110,360 |
| | 8.625 |
| | $ | 127,953 |
| | 10.00 | % | First Business Bank – Milwaukee | | 24,347 |
| | 11.02 |
| | 17,680 |
| | 8.00 |
| | 19,062 |
| | 8.625 |
| | 22,101 |
| | 10.00 |
| Alterra Bank | | 31,699 |
| | 13.27 |
| | 19,106 |
| | 8.00 |
| | 20,599 |
| | 8.625 |
| | 23,882 |
| | 10.00 |
| Tier 1 capital (to risk-weighted assets) | | | | | | | | | | | | | | | | | Consolidated | | $ | 160,964 |
| | 9.26 |
| | $ | 104,326 |
| | 6.00 |
| | $ | 115,193 |
| | 6.625 | % | | N/A |
| | N/A |
| First Business Bank | | 134,208 |
| | 10.49 |
| | 76,772 |
| | 6.00 |
| | 84,769 |
| | 6.625 |
| | $ | 102,362 |
| | 8.00 |
| First Business Bank – Milwaukee | | 22,323 |
| | 10.10 |
| | 13,260 |
| | 6.00 |
| | 14,642 |
| | 6.625 |
| | 17,680 |
| | 8.00 |
| Alterra Bank | | 28,685 |
| | 12.01 |
| | 14,329 |
| | 6.00 |
| | 15,822 |
| | 6.625 |
| | 19,106 |
| | 8.00 |
| Common equity tier 1 capital (to risk-weighted assets) | | | | | | | | | | | | | | | | | Consolidated | | $ | 150,960 |
| | 8.68 |
| | $ | 78,244 |
| | 4.50 |
| | $ | 89,111 |
| | 5.125 | % | | N/A |
| | N/A |
| First Business Bank | | 134,208 |
| | 10.49 |
| | 57,579 |
| | 4.50 |
| | 65,576 |
| | 5.125 |
| | $ | 83,170 |
| | 6.50 |
| First Business Bank – Milwaukee | | 22,323 |
| | 10.10 |
| | 9,945 |
| | 4.50 |
| | 11,327 |
| | 5.125 |
| | 14,365 |
| | 6.50 |
| Alterra Bank | | 28,685 |
| | 12.01 |
| | 10,747 |
| | 4.50 |
| | 12,240 |
| | 5.125 |
| | 15,524 |
| | 6.50 |
| Tier 1 leverage capital (to adjusted assets) | | | | | | | | | | | | | | | | | Consolidated | | $ | 160,964 |
| | 9.07 |
| | $ | 70,985 |
| | 4.00 |
| | $ | 70,985 |
| | 4.00 | % | | N/A |
| | N/A |
| First Business Bank | | 134,208 |
| | 10.40 |
| | 51,600 |
| | 4.00 |
| | 51,600 |
| | 4.00 |
| | $ | 64,500 |
| | 5.00 |
| First Business Bank – Milwaukee | | 22,323 |
| | 9.15 |
| | 9,758 |
| | 4.00 |
| | 9,758 |
| | 4.00 |
| | 12,198 |
| | 5.00 |
| Alterra Bank | | 28,685 |
| | 10.58 |
| | 10,842 |
| | 4.00 |
| | 10,842 |
| | 4.00 |
| | 13,552 |
| | 5.00 |
|
| | | | | | | | | | | | | | | | | | | | | | | | | Actual | | Minimum Required for Capital Adequacy Purposes | | Minimum Required to Be Well Capitalized Under Prompt Corrective Action Requirements | | | Amount | | Ratio | | Amount | | Ratio | | Amount | | Ratio | | | (Dollars in Thousands) | As of December 31, 2015 | | | | | | | | | | | | | Total capital (to risk-weighted assets) | | | | | | | | | | | | | Consolidated | | $ | 189,163 |
| | 11.11 | % | | $ | 136,208 |
| | 8.00 | % | | N/A |
| | N/A |
| First Business Bank | | 141,388 |
| | 11.12 |
| | 101,754 |
| | 8.00 |
| | $ | 127,193 |
| | 10.00 | % | First Business Bank – Milwaukee | | 20,931 |
| | 12.03 |
| | 13,914 |
| | 8.00 |
| | 17,392 |
| | 10.00 |
| Alterra Bank | | 30,300 |
| | 11.39 |
| | 21,279 |
| | 8.00 |
| | 26,598 |
| | 10.00 |
| Tier 1 capital (to risk-weighted assets) | | | | | | | | | | | | | Consolidated | | $ | 149,920 |
| | 8.81 | % | | $ | 102,156 |
| | 6.00 | % | | N/A |
| | N/A |
| First Business Bank | | 128,852 |
| | 10.13 |
| | 76,316 |
| | 6.00 |
| | $ | 101,754 |
| | 8.00 | % | First Business Bank – Milwaukee | | 19,172 |
| | 11.02 |
| | 10,435 |
| | 6.00 |
| | 13,914 |
| | 8.00 |
| Alterra Bank | | 28,278 |
| | 10.63 |
| | 15,959 |
| | 6.00 |
| | 21,279 |
| | 8.00 |
| Common equity tier 1 capital (to risk-weighted assets)
| | | | | | | | | | | | | Consolidated | | $ | 139,920 |
| | 8.22 | % | | $ | 76,617 |
| | 4.50 | % | | N/A |
| | N/A |
| First Business Bank | | 128,852 |
| | 10.13 |
| | 57,237 |
| | 4.50 |
| | $ | 110,669 |
| | 6.50 | % | First Business Bank – Milwaukee | | 19,172 |
| | 11.02 |
| | 7,826 |
| | 4.50 |
| | 82,675 |
| | 6.50 |
| Alterra Bank | | 28,278 |
| | 10.63 |
| | 11,969 |
| | 4.50 |
| | 11,305 |
| | 6.50 |
| Tier 1 leverage capital (to adjusted assets) | | | | | | | | | | | | | Consolidated | | $ | 149,920 |
| | 8.63 | % | | $ | 69,466 |
| | 4.00 | % | | N/A |
| | N/A |
| First Business Bank | | 128,852 |
| | 10.44 |
| | 49,359 |
| | 4.00 |
| | $ | 61,698 |
| | 5.00 | % | First Business Bank – Milwaukee | | 19,172 |
| | 7.81 |
| | 9,821 |
| | 4.00 |
| | 12,276 |
| | 5.00 |
| Alterra Bank | | 28,278 |
| | 9.89 |
| | 11,441 |
| | 4.00 |
| | 14,301 |
| | 5.00 |
|
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