| Summary of acquisition |
| | | | West Suburban Acquisition Summary | | | | As of Date of Acquisition | | | | | | December 1, 2021 | Assets | | | | Cash and due from banks | | $ | 16,794 | Interest bearing deposits with financial institutions | | | 232,880 | Securities available-for-sale and held-to maturity, at fair value | | | 1,066,373 | FHLBC stock | | | 3,340 | Loans | | | 1,502,118 | Premises and equipment | | | 47,456 | Other real estate owned | | | 5,552 | Core deposit intangible | | | 14,772 | Deferred tax assets | | | 2,093 | Other assets | | | 52,710 | Total assets | | $ | 2,944,088 | | | | | Liabilities | | | | Noninterest bearing demand | | $ | 409,141 | Savings, NOW and money market | | | 2,069,890 | Time | | | 215,205 | Total deposits | | | 2,694,236 | Reserve for unfunded commitments | | | 1,787 | Other liabilities | | | 20,629 | Total liabilities | | | 2,716,652 | | | | | Cash consideration paid | | | 100,679 | Stock issued for acquisition | | | 194,484 | Total Liabilities Assumed and Cash and Stock Consideration Paid for Acquisition | | $ | 3,011,815 | Goodwill | | $ | 67,727 |
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| Schedule of Unaudited Pro Forma |
| | | | | | | | | | | | | | | | | | | | | | | | | Unaudited Pro Forma for the Years Ended | | | | | | | | | | | 2021 | | 2020 | Net interest income | | | | | | | | | | $ | 166,495 | | $ | 165,283 | Noninterest income | | | | | | | | | | | 59,036 | | | 48,937 | Net income attributable to Old Second Bancorp, Inc. | | | | | | | | | | | 67,779 | | | 12,349 |
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