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Acquisition (Tables)

9 Months Ended

Sep. 30, 2025

Bancorp Financial

Acquisition

Summary of acquisition

​

​	​	​	​
Bancorp Financial Transaction Summary
As of Date of Transaction
​	​	​	​
​	​	July 1, 2025
Assets	​	​	​
Cash and due from banks	​	$	59,385
Securities available-for-sale and held-to maturity, at fair value	​	​	119,068
FHLBC stock	​	​	1,958
Loans, net of purchase accounting adjustments	​	​	1,194,673
Premises and equipment	​	​	2,513
Core deposit intangible	​	​	6,206
Bank-owned life insurance ("BOLI")	​	​	13,916
Deferred tax assets	​	​	9,641
Other assets	​	​	18,814
Total assets	​	$	1,426,174
​	​	​	​
Liabilities	​	​	​
Noninterest bearing demand	​	$	73,744
Interest bearing deposits	​	​	1,158,778
Total deposits	​	​	1,232,522
Short-term borrowings	​	​	15,500
Long-term debt	​	​	14,800
Deferred tax liabilities	​	​	-
Other liabilities	​	​	10,978
Total liabilities	​	​	1,273,800
​	​	​	​
Cash consideration paid	​	​	48,884
Stock issued for acquisition	​	​	140,520
Total consideration	​	​	189,404
Total liabilities assumed and cash consideration received for transaction	​	$	1,463,204
Goodwill	​	$	37,030

Schedule of Purchase price of loans at acquisition

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​	​	​	​
​	​	As of
Bancorp Financial Acquired PCD Loans	​	July 1, 2025
Par value of acquired loans	​	$	89,870
Allowance for credit losses	​	​	(17,540)
Non-credit premium	​	​	722
Purchase price of PCD loans at acquisition	​	$	73,052

Schedule of Unaudited Pro Forma

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Three Months Ended September 30,

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Nine Months Ended September 30,

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2025

2024

2025

2024

Net interest income

​

$

82,775

​

$

75,221

​

$

242,611

​

$

222,009

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Noninterest income

​

​

13,109

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​

11,278

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​

35,841

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​

34,061

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Net income attributable to Old Second Bancorp, Inc.

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29,586

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25,125

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80,941

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42,622

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First Merchants

Acquisition

Summary of acquisition

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​	​	​	​
First Merchants Transaction Summary
As of Date of Transaction
​	​	​	​
​	​	December 6, 2024
Assets	​	​	​
Cash and due from banks	​	$	419
Loans, net of purchase accounting adjustments	​	​	7,149
Premises and equipment	​	​	3,934
Core deposit intangible	​	​	13,254
Other assets	​	​	19
Total assets	​	$	24,775
​	​	​	​
Liabilities	​	​	​
Noninterest bearing demand	​	$	26,497
Savings, NOW and money market	​	​	157,126
Time	​	​	84,344
Total deposits	​	​	267,967
Other liabilities	​	​	585
Total liabilities	​	​	268,552
​	​	​	​
Cash consideration received	​	​	(237,023)
Total liabilities assumed and cash consideration received for transaction	​	$	31,529
Goodwill	​	$	6,754

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- Definition

Tabular disclosure of acquired loans not accounted for as debt securities with evidence of deterioration of credit quality.

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