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I

​

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

​

FORM 10-Q

​

​ | ​
☒ | QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF
​ | THE SECURITIES EXCHANGE ACT OF 1934

​

For the quarterly period ended June 30, 2023

OR

​ | ​
☐ | TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE
​ | SECURITIES EXCHANGE ACT OF 1934

​

For transition period from to

​

Commission File Number 000-10537

​

(Exact name of Registrant as specified in its charter)

​

​ | ​ | ​
Delaware | ​ | 36-3143493
(State or other jurisdiction | ​ | (I.R.S. Employer Identification Number)
of incorporation or organization) | ​ | ​

​

37 South River Street, Aurora, Illinois 60507

(Address of principal executive offices) (Zip Code)

​

(630) 892-0202

(Registrant’s telephone number, including area code)

​

Not applicable

(Former name, former address and former fiscal year, if changed since last report)

​

Securities registered pursuant to Section 12(b) of the Act:

​

Title of each class | Trading Symbol(s) | Name of each exchange on which registered
Common Stock | OSBC | The Nasdaq Stock Market

​

Indicate by check mark whether the Registrant (1) has filed all reports required to be filed by Section 13 or 15 (d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the Registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.

Yes ☒ No ☐

​

Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files). Yes ☒ No ☐

​

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, smaller reporting company, or an emerging growth company. See the definitions of ‘‘large accelerated filer,’’ ‘‘accelerated filer,’’ ‘‘smaller reporting company,’’ and ‘‘emerging growth company’’ in Rule 12b–2 of the Exchange Act.

​

Large accelerated filer☐Accelerated filer☒

Non-accelerated filer☐Smaller reporting company☐Emerging growth company☐

​

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

​

Indicate by check mark whether the registrant is a shell company (as defined in Exchange Act Rule 12b-2).

Yes ☐ No ☒

​

As of August 4, 2023, the Registrant has 44,675,057 shares of common stock outstanding at $1.00 par value per share.

​

​

​

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​

​

OLD SECOND BANCORP, INC.

​

Form 10-Q Quarterly Report

​

Table of Contents

​

​

Cautionary Note Regarding Forward-Looking Statements

​

​ | ​ | ​
​ | PART I | ​
​ | ​ | Page Number
Item 1. | Financial Statements | 4
Item 2. | Management’s Discussion and Analysis of Financial Condition and Results of Operations | 37
Item 3. | Quantitative and Qualitative Disclosures about Market Risk | 61
Item 4. | Controls and Procedures | 62
​ | PART II | ​
​ | ​ | ​
Item 1. | Legal Proceedings | 63
Item 1.A. | Risk Factors | 63
Item 2. | Unregistered Sales of Equity Securities and Use of Proceeds | 63
Item 3. | Defaults Upon Senior Securities | 63
Item 4. | Mine Safety Disclosure | 63
Item 5. | Other Information | 63
Item 6. | Exhibits | 64
​ | ​ | ​
​ | Signatures | 65

​

​

2

Table of Contents

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CAUTIONARY NOTE REGARDING FORWARD-LOOKING STATEMENTS

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This report and other publicly available documents of the Company contain forward-looking statements within the meaning of the Private Securities Litigation Reform Act, including, but not limited to, management’s expectations regarding future plans, strategies and financial performance, including regulatory developments, industry and economic trends and estimates and assumptions underlying accounting policies. Forward-looking statements are based on our current beliefs, expectations and assumptions and on information currently available and, can be identified by the use of words such as “should,” “anticipate,” “expect,” “estimate,” “intend,” “believe,” “may,” “likely,” “will,” “forecast,” “project,” “looking forward,” “optimistic,” “hopeful,” “potential,” “progress,” “prospect,” “remain,” “continue,” “trend,” “momentum” or the negative thereof as well as other similar words and expressions of the future. Forward-looking statements are subject to risks, uncertainties and assumptions that are difficult to predict as to timing, extent, likelihood and degree of occurrence, which could cause our actual results to differ materially from those anticipated in or by such statements. Potential risks and uncertainties include, but are not limited to, the following:

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| ● | our ability to execute our growth strategy;

| ● | negative economic conditions, including inflation, that may adversely affect the economy, real estate values, the job market and other factors nationally and in our market area, in each case that may affect our liquidity and the performance of our loan portfolio;

| ● | our ability to raise cost-effective funding to support business plans when needed;

| ● | risks with respect to our ability to successfully expand and integrate businesses and operations that we acquire, as well our ability to identify and complete future mergers or acquisitions;

| ● | the financial success and viability of the borrowers of our commercial loans;

| ● | changes in U.S. monetary policy, the level and volatility of interest rates, the capital markets and other market conditions that may affect, among other things, our liquidity and the value of our assets and liabilities;

| ● | the transition away from LIBOR to an alternative reference rate;

| ● | competitive pressures from other financial service businesses and from nontraditional financial technology (“FinTech”) companies;

| ● | any negative perception of our reputation or financial strength;

| ● | our ability to raise additional capital on acceptable terms when needed;

| ● | our ability to use technology to provide products and services that will satisfy customer demands and create efficiencies in operations;

| ● | adverse effects on our information technology systems resulting from system failures, human error or cyberattacks;

| ● | adverse effects of failures by our vendors to provide agreed upon services in the manner and at the cost agreed, particularly our information technology vendors and those vendors performing a service on the Company’s behalf;

| ● | the impact of any claims or legal actions, including any effect on our reputation;

| ● | losses incurred in connection with repurchases and indemnification payments related to mortgages;

| ● | the soundness of other financial institutions and other counter-party risk;

| ● | changes in accounting standards, rules and interpretations and the related impact on our financial statements;

| ● | our ability to receive dividends from our subsidiaries;

| ● | a decrease in our regulatory capital ratios or negative changes in our capital position;

| ● | adverse federal or state tax assessments, or changes in tax laws or policies;

| ● | risks associated with actual or potential litigation or investigations by customers, regulatory agencies or others;

| ● | legislative or regulatory changes, particularly changes in regulation of financial services companies;

| ● | increased costs of compliance, heightened regulatory capital requirements and other risks associated with changes in regulation and the current regulatory environment;

| ● | continued increases in FDIC assessment which will continue to increase our cost of doing business;

| ● | risks associated with complex and changing regulatory environments, including, among others, with respect to data privacy, artificial intelligence, information security, climate change or other environmental, social and governance matters, and labor matters, relating to the Company’s operations;

| ● | the adverse effects of events beyond our control that may have a destabilizing effect on financial markets and the economy, such as epidemics and pandemics, war or terrorist activities, such as the war in Ukraine, essential utility outages, deterioration in the global economy, instability in the credit markets, labor shortages, disruptions in our customers’ supply chains or disruption in transportation;

| ● | changes in trade policy and any related tariffs; and

| ● | each of the factors and risks under the heading “Risk Factors” in our 2022 Annual Report on Form 10-K and in subsequent filings we make with the SEC.

​

Because the Company’s ability to predict results or the actual effect of future plans or strategies is inherently uncertain, there can be no assurances that future actual results will correspond to any forward-looking statements and you should not rely on any forward-looking statements. Additionally, all statements in this Form 10-Q, including forward-looking statements, speak only as of the date they are made, and the Company undertakes no obligation to update any statement in light of new information or future events, except as required by applicable law.

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3

Table of Contents

PART I – FINANCIAL INFORMATION

Item 1. Financial Statements

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Old Second Bancorp, Inc. and Subsidiaries

Consolidated Balance Sheets

(In thousands, except share data)

​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | (unaudited) | ​ | ​ | ​
​ | ​ | June 30, | ​ | December 31,
​ |  | 2023 |  | 2022
Assets | ​ | ​ | ​ | ​ | ​ | ​
Cash and due from banks | ​ | $ | 59,466 | ​ | $ | 56,632
Interest earning deposits with financial institutions | ​ | ​ | 53,144 | ​ | ​ | 58,545
Cash and cash equivalents | ​ | ​ | 112,610 | ​ | ​ | 115,177
Securities available-for-sale, at fair value | ​ | ​ | 1,335,622 | ​ | ​ | 1,539,359
Federal Home Loan Bank Chicago (“FHLBC”) and Federal Reserve Bank Chicago (“FRBC”) stock | ​ | ​ | 36,730 | ​ | ​ | 20,530
Loans held-for-sale | ​ | ​ | 1,218 | ​ | ​ | 491
Loans | ​ | ​ | 4,015,525 | ​ | ​ | 3,869,609
Less: allowance for credit losses on loans | ​ | ​ | 55,314 | ​ | ​ | 49,480
Net loans | ​ | ​ | 3,960,211 | ​ | ​ | 3,820,129
Premises and equipment, net | ​ | ​ | 72,797 | ​ | ​ | 72,355
Other real estate owned | ​ | ​ | 761 | ​ | ​ | 1,561
Mortgage servicing rights, at fair value | ​ | ​ | 11,041 | ​ | ​ | 11,189
Goodwill | ​ | ​ | 86,478 | ​ | ​ | 86,478
Core deposit intangible | ​ | ​ | 12,436 | ​ | ​ | 13,678
Bank-owned life insurance (“BOLI”) | ​ | ​ | 107,268 | ​ | ​ | 106,608
Deferred tax assets, net | ​ | ​ | 39,827 | ​ | ​ | 44,750
Other assets | ​ | ​ | 106,943 | ​ | ​ | 56,012
Total assets | ​ | $ | 5,883,942 | ​ | $ | 5,888,317
​ | ​ | ​ | ​ | ​ | ​ | ​
Liabilities | ​ | ​ | ​ | ​ | ​ | ​
Deposits: | ​ | ​ | ​ | ​ | ​ | ​
Noninterest bearing demand | ​ | $ | 1,897,694 | ​ | $ | 2,051,702
Interest bearing: | ​ | ​ | ​ | ​ | ​ | ​
Savings, NOW, and money market | ​ | ​ | 2,368,033 | ​ | ​ | 2,617,100
Time | ​ | ​ | 451,855 | ​ | ​ | 441,921
Total deposits | ​ | ​ | 4,717,582 | ​ | ​ | 5,110,723
Securities sold under repurchase agreements | ​ | ​ | 31,532 | ​ | ​ | 32,156
Other short-term borrowings | ​ | ​ | 485,000 | ​ | ​ | 90,000
Junior subordinated debentures | ​ | ​ | 25,773 | ​ | ​ | 25,773
Subordinated debentures | ​ | ​ | 59,339 | ​ | ​ | 59,297
Senior notes | ​ | ​ | - | ​ | ​ | 44,585
Notes payable and other borrowings | ​ | ​ | - | ​ | ​ | 9,000
Other liabilities | ​ | ​ | 50,761 | ​ | ​ | 55,642
Total liabilities | ​ | ​ | 5,369,987 | ​ | ​ | 5,427,176
​ | ​ | ​ | ​ | ​ | ​ | ​
Stockholders’ Equity | ​ | ​ | ​ | ​ | ​ | ​
Common stock | ​ | ​ | 44,705 | ​ | ​ | 44,705
Additional paid-in capital | ​ | ​ | 200,963 | ​ | ​ | 202,276
Retained earnings | ​ | ​ | 355,219 | ​ | ​ | 310,512
Accumulated other comprehensive loss | ​ | ​ | (86,186) | ​ | ​ | (93,124)
Treasury stock | ​ | ​ | (746) | ​ | ​ | (3,228)
Total stockholders’ equity | ​ | ​ | 513,955 | ​ | ​ | 461,141
Total liabilities and stockholders’ equity | ​ | $ | 5,883,942 | ​ | $ | 5,888,317
​ | ​ | ​ | ​ | ​ | ​ | ​

​

​ | ​ | ​ | ​ | ​ | ​
​ | June 30, 2023 | ​ | December 31, 2022
​ | Common | ​ | Common
​ | Stock |  | Stock
Par value | $ | 1.00 | ​ | $ | 1.00
Shares authorized | ​ | 60,000,000 | ​ | ​ | 60,000,000
Shares issued | ​ | 44,705,150 | ​ | ​ | 44,705,150
Shares outstanding | ​ | 44,665,127 | ​ | ​ | 44,582,311
Treasury shares | ​ | 40,023 | ​ | ​ | 122,839

​

See accompanying notes to consolidated financial statements.

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4

Table of Contents

Old Second Bancorp, Inc. and Subsidiaries

Consolidated Statements of Income

(In thousands, except per share data)

​

​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | (unaudited) | ​ | (unaudited) | ​
​ | ​ | Three Months Ended June 30, | ​ | Six Months Ended June 30,
​ |  | 2023 |  | 2022 |  | 2023 |  | 2022 |
Interest and dividend income | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Loans, including fees | ​ | $ | 61,561 | ​ | $ | 38,229 | ​ | $ | 118,771 | ​ | $ | 74,595 | ​
Loans held-for-sale | ​ | ​ | 19 | ​ | ​ | 32 | ​ | ​ | 31 | ​ | ​ | 89 | ​
Securities: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Taxable | ​ | ​ | 9,930 | ​ | ​ | 6,786 | ​ | ​ | 20,665 | ​ | ​ | 11,954 | ​
Tax exempt | ​ | ​ | 1,337 | ​ | ​ | 1,297 | ​ | ​ | 2,674 | ​ | ​ | 2,615 | ​
Dividends from FHLBC and FRBC stock | ​ | ​ | 396 | ​ | ​ | 263 | ​ | ​ | 676 | ​ | ​ | 416 | ​
Interest bearing deposits with financial institutions | ​ | ​ | 643 | ​ | ​ | 782 | ​ | ​ | 1,228 | ​ | ​ | 1,051 | ​
Total interest and dividend income | ​ | ​ | 73,886 | ​ | ​ | 47,389 | ​ | ​ | 144,045 | ​ | ​ | 90,720 | ​
Interest expense | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Savings, NOW, and money market deposits | ​ | ​ | 1,742 | ​ | ​ | 347 | ​ | ​ | 2,891 | ​ | ​ | 744 | ​
Time deposits | ​ | ​ | 1,156 | ​ | ​ | 265 | ​ | ​ | 1,820 | ​ | ​ | 542 | ​
Securities sold under repurchase agreements | ​ | ​ | 7 | ​ | ​ | 9 | ​ | ​ | 16 | ​ | ​ | 20 | ​
Other short-term borrowings | ​ | ​ | 5,160 | ​ | ​ | - | ​ | ​ | 7,505 | ​ | ​ | - | ​
Junior subordinated debentures | ​ | ​ | 281 | ​ | ​ | 284 | ​ | ​ | 560 | ​ | ​ | 564 | ​
Subordinated debentures | ​ | ​ | 546 | ​ | ​ | 547 | ​ | ​ | 1,092 | ​ | ​ | 1,093 | ​
Senior notes | ​ | ​ | 1,414 | ​ | ​ | 578 | ​ | ​ | 2,408 | ​ | ​ | 1,063 | ​
Notes payable and other borrowings | ​ | ​ | - | ​ | ​ | 95 | ​ | ​ | 87 | ​ | ​ | 198 | ​
Total interest expense | ​ | ​ | 10,306 | ​ | ​ | 2,125 | ​ | ​ | 16,379 | ​ | ​ | 4,224 | ​
Net interest and dividend income | ​ | ​ | 63,580 | ​ | ​ | 45,264 | ​ | ​ | 127,666 | ​ | ​ | 86,496 | ​
Provision for credit losses | ​ | ​ | 2,000 | ​ | ​ | 550 | ​ | ​ | 5,501 | ​ | ​ | 550 | ​
Net interest and dividend income after provision for credit losses | ​ | ​ | 61,580 | ​ | ​ | 44,714 | ​ | ​ | 122,165 | ​ | ​ | 85,946 | ​
Noninterest income | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Wealth management | ​ | ​ | 2,458 | ​ | ​ | 2,506 | ​ | ​ | 4,728 | ​ | ​ | 5,204 | ​
Service charges on deposits | ​ | ​ | 2,362 | ​ | ​ | 2,328 | ​ | ​ | 4,786 | ​ | ​ | 4,402 | ​
Secondary mortgage fees | ​ | ​ | 76 | ​ | ​ | 50 | ​ | ​ | 135 | ​ | ​ | 189 | ​
Mortgage servicing rights mark to market gain (loss) | ​ | ​ | 96 | ​ | ​ | 82 | ​ | ​ | (429) | ​ | ​ | 3,060 | ​
Mortgage servicing income | ​ | ​ | 499 | ​ | ​ | 579 | ​ | ​ | 1,015 | ​ | ​ | 1,098 | ​
Net gain (loss) on sales of mortgage loans | ​ | ​ | 398 | ​ | ​ | (262) | ​ | ​ | 704 | ​ | ​ | 1,233 | ​
Securities losses, net | ​ | ​ | (1,547) | ​ | ​ | (33) | ​ | ​ | (3,222) | ​ | ​ | (33) | ​
Change in cash surrender value of BOLI | ​ | ​ | 418 | ​ | ​ | 72 | ​ | ​ | 660 | ​ | ​ | 196 | ​
Card related income | ​ | ​ | 2,690 | ​ | ​ | 2,965 | ​ | ​ | 4,934 | ​ | ​ | 5,532 | ​
Other income | ​ | ​ | 773 | ​ | ​ | 924 | ​ | ​ | 2,262 | ​ | ​ | 1,793 | ​
Total noninterest income | ​ | ​ | 8,223 | ​ | ​ | 9,211 | ​ | ​ | 15,573 | ​ | ​ | 22,674 | ​
Noninterest expense | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Salaries and employee benefits | ​ | ​ | 21,798 | ​ | ​ | 21,332 | ​ | ​ | 44,046 | ​ | ​ | 41,299 | ​
Occupancy, furniture and equipment | ​ | ​ | 3,639 | ​ | ​ | 3,046 | ​ | ​ | 7,114 | ​ | ​ | 6,745 | ​
Computer and data processing | ​ | ​ | 1,290 | ​ | ​ | 4,006 | ​ | ​ | 3,064 | ​ | ​ | 10,274 | ​
FDIC insurance | ​ | ​ | 794 | ​ | ​ | 702 | ​ | ​ | 1,378 | ​ | ​ | 1,112 | ​
Net teller & bill paying | ​ | ​ | 515 | ​ | ​ | 834 | ​ | ​ | 1,017 | ​ | ​ | 2,741 | ​
General bank insurance | ​ | ​ | 306 | ​ | ​ | 351 | ​ | ​ | 611 | ​ | ​ | 666 | ​
Amortization of core deposit intangible | ​ | ​ | 618 | ​ | ​ | 659 | ​ | ​ | 1,242 | ​ | ​ | 1,324 | ​
Advertising expense | ​ | ​ | 103 | ​ | ​ | 194 | ​ | ​ | 245 | ​ | ​ | 376 | ​
Card related expense | ​ | ​ | 1,222 | ​ | ​ | 1,057 | ​ | ​ | 2,438 | ​ | ​ | 1,591 | ​
Legal fees | ​ | ​ | 283 | ​ | ​ | 179 | ​ | ​ | 602 | ​ | ​ | 436 | ​
Consulting & management fees | ​ | ​ | 520 | ​ | ​ | 523 | ​ | ​ | 1,310 | ​ | ​ | 1,139 | ​
Other real estate expense, net | ​ | ​ | (98) | ​ | ​ | 87 | ​ | ​ | 208 | ​ | ​ | 75 | ​
Other expense | ​ | ​ | 3,840 | ​ | ​ | 4,279 | ​ | ​ | 7,477 | ​ | ​ | 7,723 | ​
Total noninterest expense | ​ | ​ | 34,830 | ​ | ​ | 37,249 | ​ | ​ | 70,752 | ​ | ​ | 75,501 | ​
Income before income taxes | ​ | ​ | 34,973 | ​ | ​ | 16,676 | ​ | ​ | 66,986 | ​ | ​ | 33,119 | ​
Provision for income taxes | ​ | ​ | 9,411 | ​ | ​ | 4,429 | ​ | ​ | 17,817 | ​ | ​ | 8,852 | ​
Net income | ​ | $ | 25,562 | ​ | $ | 12,247 | ​ | $ | 49,169 | ​ | $ | 24,267 | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Basic earnings per share | ​ | $ | 0.57 | ​ | $ | 0.28 | ​ | $ | 1.10 | ​ | $ | 0.55 | ​
Diluted earnings per share | ​ | ​ | 0.56 | ​ | ​ | 0.27 | ​ | ​ | 1.08 | ​ | ​ | 0.54 | ​
Dividends declared per share | ​ | ​ | 0.05 | ​ | ​ | 0.05 | ​ | ​ | 0.10 | ​ | ​ | 0.10 | ​

​

See accompanying notes to consolidated financial statements.

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5

Table of Contents

Old Second Bancorp, Inc. and Subsidiaries

Consolidated Statements of Comprehensive Income (Loss)

(In thousands)

​

​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | (unaudited) | ​ | (unaudited)
​ | ​ | Three Months Ended June 30, | ​ | Six Months Ended June 30,
​ |  | 2023 |  | 2022 |  | 2023 |  | 2022
Net Income | ​ | $ | 25,562 | ​ | $ | 12,247 | ​ | $ | 49,169 | ​ | $ | 24,267
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Unrealized holding (losses) gains on available-for-sale securities arising during the period | ​ | ​ | (8,360) | ​ | ​ | (40,485) | ​ | ​ | 7,850 | ​ | ​ | (105,314)
Related tax benefit (expense) | ​ | ​ | 2,342 | ​ | ​ | 11,335 | ​ | ​ | (2,194) | ​ | ​ | 29,488
Holding (losses) gains, after tax, on available-for-sale securities | ​ | ​ | (6,018) | ​ | ​ | (29,150) | ​ | ​ | 5,656 | ​ | ​ | (75,826)
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Less: Reclassification adjustment for the net losses realized during the period | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Net realized losses | ​ | ​ | (1,547) | ​ | ​ | (33) | ​ | ​ | (3,222) | ​ | ​ | (33)
Related tax benefit | ​ | ​ | 434 | ​ | ​ | 9 | ​ | ​ | 905 | ​ | ​ | 9
Net realized losses after tax | ​ | ​ | (1,113) | ​ | ​ | (24) | ​ | ​ | (2,317) | ​ | ​ | (24)
Other comprehensive (loss) income on available-for-sale securities | ​ | ​ | (4,905) | ​ | ​ | (29,126) | ​ | ​ | 7,973 | ​ | ​ | (75,802)
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Changes in fair value of derivatives used for cash flow hedges | ​ | ​ | (3,017) | ​ | ​ | 1,898 | ​ | ​ | (1,415) | ​ | ​ | 2,487
Related tax benefit (expense) | ​ | ​ | 836 | ​ | ​ | (532) | ​ | ​ | 380 | ​ | ​ | (697)
Other comprehensive (loss) income on cash flow hedges | ​ | ​ | (2,181) | ​ | ​ | 1,366 | ​ | ​ | (1,035) | ​ | ​ | 1,790
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Total other comprehensive (loss) income | ​ | ​ | (7,086) | ​ | ​ | (27,760) | ​ | ​ | 6,938 | ​ | ​ | (74,012)
Total comprehensive income (loss) | ​ | $ | 18,476 | ​ | $ | (15,513) | ​ | $ | 56,107 | ​ | $ | (49,745)
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​

​

​

​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Accumulated | ​ | Accumulated | ​ | Total
​ | ​ | Unrealized Gain | ​ | Unrealized Gain | ​ | Accumulated Other
​ | ​ | (Loss) on Securities | ​ | (Loss) on Derivative | ​ | Comprehensive
(unaudited) | ​ | Available-for -Sale | ​ | Instruments | ​ | Income/(Loss)
For the Three Months Ended | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Balance, April 1, 2022 | ​ | $ | (35,537) | ​ | $ | (1,947) | ​ | $ | (37,484)
Other comprehensive (loss) income, net of tax | ​ | ​ | (29,126) | ​ | ​ | 1,366 | ​ | ​ | (27,760)
Balance, June 30, 2022 | ​ | $ | (64,663) | ​ | $ | (581) | ​ | $ | (65,244)
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Balance, April 1, 2023 | ​ | $ | (76,014) | ​ | $ | (3,086) | ​ | $ | (79,100)
Other comprehensive loss, net of tax | ​ | ​ | (4,905) | ​ | ​ | (2,181) | ​ | ​ | (7,086)
Balance, June 30, 2023 | ​ | $ | (80,919) | ​ | $ | (5,267) | ​ | $ | (86,186)
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
For the Six Months Ended | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Balance, January 1, 2022 | ​ | $ | 11,139 | ​ | $ | (2,371) | ​ | $ | 8,768
Other comprehensive (loss) income, net of tax | ​ | ​ | (75,802) | ​ | ​ | 1,790 | ​ | ​ | (74,012)
Balance, June 30, 2022 | ​ | $ | (64,663) | ​ | $ | (581) | ​ | $ | (65,244)
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Balance, January 1, 2023 | ​ | $ | (88,892) | ​ | $ | (4,232) | ​ | $ | (93,124)
Other comprehensive income (loss), net of tax | ​ | ​ | 7,973 | ​ | ​ | (1,035) | ​ | ​ | 6,938
Balance, June 30, 2023 | ​ | $ | (80,919) | ​ | $ | (5,267) | ​ | $ | (86,186)
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​

​

See accompanying notes to consolidated financial statements.

​

6

Table of Contents

Old Second Bancorp, Inc. and Subsidiaries

Consolidated Statements of Cash Flows

(In thousands)

​

​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | (Unaudited)
​ | ​ | Six Months Ended June 30,
​ | ​ | 2023 |  | 2022 |
Cash flows from operating activities | ​ | ​ | ​ | ​ | ​ | ​ | ​
Net income | ​ | $ | 49,169 | ​ | $ | 24,267 | ​
Adjustments to reconcile net income to net cash provided by operating activities: | ​ | ​ | ​ | ​ | ​ | ​ | ​
Net premium / discount amortization on securities | ​ | ​ | 1,626 | ​ | ​ | 3,300 | ​
Securities losses, net | ​ | ​ | 3,222 | ​ | ​ | 33 | ​
Provision for credit losses | ​ | ​ | 5,501 | ​ | ​ | 550 | ​
Originations of loans held-for-sale | ​ | ​ | (24,570) | ​ | ​ | (49,648) | ​
Proceeds from sales of loans held-for-sale | ​ | ​ | 24,271 | ​ | ​ | 53,204 | ​
Net gains on sales of mortgage loans | ​ | ​ | (704) | ​ | ​ | (1,233) | ​
Mortgage servicing rights mark to market loss (gain) | ​ | ​ | 429 | ​ | ​ | (3,060) | ​
Net accretion of discount on loans and unfunded commitments | ​ | ​ | (2,093) | ​ | ​ | (3,841) | ​
Net change in cash surrender value of BOLI | ​ | ​ | (660) | ​ | ​ | (196) | ​
Net gains on sale of other real estate owned | ​ | ​ | (158) | ​ | ​ | (130) | ​
Provision for other real estate owned valuation losses | ​ | ​ | 269 | ​ | ​ | 104 | ​
Depreciation of fixed assets and amortization of leasehold improvements | ​ | ​ | 2,135 | ​ | ​ | 2,101 | ​
Net gains on disposal and transfer of fixed assets | ​ | ​ | (635) | ​ | ​ | (1,961) | ​
Amortization of core deposit intangibles | ​ | ​ | 1,242 | ​ | ​ | 1,324 | ​
Change in current income taxes receivable | ​ | ​ | (456) | ​ | ​ | (729) | ​
Deferred tax expense | ​ | ​ | 2,204 | ​ | ​ | 2,400 | ​
Change in accrued interest receivable and other assets | ​ | ​ | (50,594) | ​ | ​ | 7,000 | ​
Accretion of purchase accounting adjustment on time deposits | ​ | ​ | (701) | ​ | ​ | (821) | ​
Change in accrued interest payable and other liabilities | ​ | ​ | (5,709) | ​ | ​ | (7,033) | ​
Stock based compensation | ​ | ​ | 1,774 | ​ | ​ | 1,469 | ​
Net cash provided by operating activities | ​ | ​ | 5,562 | ​ | ​ | 27,100 | ​
Cash flows from investing activities | ​ | ​ | ​ | ​ | ​ | ​ | ​
Proceeds from maturities and calls, including pay down of securities available-for-sale | ​ | ​ | 73,981 | ​ | ​ | 148,429 | ​
Proceeds from sales of securities available-for-sale | ​ | ​ | 140,166 | ​ | ​ | 3,303 | ​
Purchases of securities available-for-sale | ​ | ​ | (4,186) | ​ | ​ | (301,129) | ​
Net purchases of FHLBC/FRBC stock | ​ | ​ | (16,200) | ​ | ​ | (7,156) | ​
Net change in loans | ​ | ​ | (143,966) | ​ | ​ | (199,955) | ​
Proceeds from sales of other real estate owned, net of participations and improvements | ​ | ​ | 1,165 | ​ | ​ | 845 | ​
Proceeds from disposition of premises and equipment | ​ | ​ | 1,105 | ​ | ​ | 7,490 | ​
Net purchases of premises and equipment | ​ | ​ | (3,047) | ​ | ​ | (1,526) | ​
Net cash provided by (used in) investing activities | ​ | ​ | 49,018 | ​ | ​ | (349,699) | ​
Cash flows from financing activities | ​ | ​ | ​ | ​ | ​ | ​ | ​
Net change in deposits | ​ | ​ | (392,440) | ​ | ​ | (122,556) | ​
Net change in securities sold under repurchase agreements | ​ | ​ | (624) | ​ | ​ | (12,738) | ​
Net change in other short-term borrowings | ​ | ​ | 395,000 | ​ | ​ | - | ​
Repayment of term note | ​ | ​ | (9,000) | ​ | ​ | (2,000) | ​
Net change in notes payable and other borrowings, excluding term note | ​ | ​ | - | ​ | ​ | (6,056) | ​
Repayment of senior notes | ​ | ​ | (45,000) | ​ | ​ | - | ​
Dividends paid on common stock | ​ | ​ | (4,478) | ​ | ​ | (4,423) | ​
Purchase of treasury stock | ​ | ​ | (605) | ​ | ​ | (400) | ​
Net cash used in financing activities | ​ | ​ | (57,147) | ​ | ​ | (148,173) | ​
Net change in cash and cash equivalents | ​ | ​ | (2,567) | ​ | ​ | (470,772) | ​
Cash and cash equivalents at beginning of period | ​ | ​ | 115,177 | ​ | ​ | 752,107 | ​
Cash and cash equivalents at end of period | ​ | $ | 112,610 | ​ | $ | 281,335 | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​

​

See accompanying notes to consolidated financial statements.

​

7

Table of Contents

Old Second Bancorp, Inc. and Subsidiaries

Consolidated Statements of Changes in

Stockholders’ Equity

(In thousands)

​

​

​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | Accumulated | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | Additional | ​ | ​ | ​ | ​ | Other | ​ | ​ | ​ | ​ | Total
(unaudited) | Common | ​ | Paid-In | ​ | Retained | ​ | Comprehensive | ​ | Treasury | ​ | Stockholders’
​ |  | Stock |  | Capital |  | Earnings |  | Income (Loss) |  | Stock |  | Equity
For the Three Months Ended | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Balance, April 1, 2022 | ​ | $ | 44,705 | ​ | $ | 203,190 | ​ | $ | 261,807 | ​ | $ | (37,484) | ​ | $ | (5,900) | ​ | $ | 466,318
Net income | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | 12,247 | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | 12,247
Other comprehensive loss, net of tax | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | (27,760) | ​ | ​ | ​ | ​ | ​ | (27,760)
Dividends declared on common stock, ($0.05 per share) | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | (2,223) | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | (2,223)
Vesting of restricted stock | ​ | ​ | ​ | ​ | ​ | (2,630) | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | 2,630 | ​ | ​ | -
Stock based compensation | ​ | ​ | ​ | ​ | ​ | 722 | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | 722
Purchase of treasury stock from taxes withheld on stock awards | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | (400) | ​ | ​ | (400)
Balance, June 30, 2022 | ​ | $ | 44,705 | ​ | $ | 201,282 | ​ | $ | 271,831 | ​ | $ | (65,244) | ​ | $ | (3,670) | ​ | $ | 448,904
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Balance, April 1, 2023 | ​ | $ | 44,705 | ​ | $ | 200,121 | ​ | $ | 331,890 | ​ | $ | (79,100) | ​ | $ | (746) | ​ | $ | 496,870
Net income | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | 25,562 | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | 25,562
Other comprehensive loss, net of tax | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | (7,086) | ​ | ​ | ​ | ​ | ​ | (7,086)
Dividends declared on common stock, ($0.05 per share) | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | (2,233) | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | (2,233)
Stock based compensation | ​ | ​ | ​ | ​ | ​ | 842 | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | 842
Balance, June 30, 2023 | ​ | $ | 44,705 | ​ | $ | 200,963 | ​ | $ | 355,219 | ​ | $ | (86,186) | ​ | $ | (746) | ​ | $ | 513,955

​

​

​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
For the Six Months Ended | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Balance, January 1, 2022 | ​ | $ | 44,705 | ​ | $ | 202,443 | ​ | $ | 252,011 | ​ | $ | 8,768 | ​ | $ | (5,900) | ​ | $ | 502,027
Net income | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | 24,267 | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | 24,267
Other comprehensive loss, net of tax | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | (74,012) | ​ | ​ | ​ | ​ | ​ | (74,012)
Dividends declared on common stock, ($0.10 per share) | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | (4,447) | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | (4,447)
Vesting of restricted stock | ​ | ​ | ​ | ​ | ​ | (2,630) | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | 2,630 | ​ | ​ | -
Stock based compensation | ​ | ​ | ​ | ​ | ​ | 1,469 | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | 1,469
Purchase of treasury stock from taxes withheld on stock awards | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | (400) | ​ | ​ | (400)
Balance, June 30, 2022 | ​ | $ | 44,705 | ​ | $ | 201,282 | ​ | $ | 271,831 | ​ | $ | (65,244) | ​ | $ | (3,670) | ​ | $ | 448,904
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Balance, January 1, 2023 | ​ | $ | 44,705 | ​ | $ | 202,276 | ​ | $ | 310,512 | ​ | $ | (93,124) | ​ | $ | (3,228) | ​ | $ | 461,141
Net income | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | 49,169 | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | 49,169
Other comprehensive income, net of tax | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | 6,938 | ​ | ​ | ​ | ​ | ​ | 6,938
Dividends declared on common stock, ($0.10 per share) | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | (4,462) | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | (4,462)
Vesting of restricted stock | ​ | ​ | ​ | ​ | ​ | (3,087) | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | 3,087 | ​ | ​ | -
Stock based compensation | ​ | ​ | ​ | ​ | ​ | 1,774 | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | 1,774
Purchase of treasury stock from taxes withheld on stock awards | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | (605) | ​ | ​ | (605)
Balance, June 30, 2023 | ​ | $ | 44,705 | ​ | $ | 200,963 | ​ | $ | 355,219 | ​ | $ | (86,186) | ​ | $ | (746) | ​ | $ | 513,955
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​

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Old Second Bancorp, Inc. and Subsidiaries

Notes to Consolidated Financial Statements

(Dollar amounts in thousands, except per share data, unaudited)

​

Note 1 – Basis of Presentation and Changes in Significant Accounting Policies

​

The accounting policies followed in the preparation of the interim consolidated financial statements are consistent with those used in the preparation of the annual financial information. The interim consolidated financial statements reflect all normal and recurring adjustments that are necessary, in the opinion of management, for a fair statement of results for the interim period presented. Results for the period ended June 30, 2023 are not necessarily indicative of the results that may be expected for the year ending December 31, 2023. These interim consolidated financial statements and accompanying notes are unaudited and should be read in conjunction with the audited financial statements and notes included in Old Second Bancorp, Inc.’s (the “Company”) annual report on Form 10-K for the year ended December 31, 2022. Unless otherwise indicated, dollar amounts in the tables contained in the notes to the consolidated financial statements are in thousands. Certain items in prior periods have been reclassified to conform to the current presentation.

​

The Company’s consolidated financial statements are prepared in accordance with United States generally accepted accounting principles (“GAAP”) and follow general practices within the banking industry. Application of these principles requires management to make estimates, assumptions, and judgments that affect the amounts reported in the consolidated financial statements and accompanying notes. These estimates, assumptions, and judgments are based on information available as of the date of the consolidated financial statements. Future changes in information may affect these estimates, assumptions, and judgments, which, in turn, may affect amounts reported in the consolidated financial statements.

​

Recent Accounting Pronouncements

The following is a summary of recent accounting pronouncements that have impacted or could potentially affect the Company:

​

ASU 2018-16, ASU 2020-04, ASU 2021-01, and ASU 2022-06 – In October 2018, the Financial Standards Board, or FASB, issued ASU No. 2018-16 “Derivatives and Hedging (Topic 815): Inclusion of the Secured Overnight Financing Rate (SOFR) Overnight Index Swap (OIS) Rate as a Benchmark Interest Rate for Hedge Accounting.” ASU 2018-16 adds the SOFR overnight index swap rate to the list of United States (U.S.) benchmark rates eligible for hedge accounting purposes, which is the fourth rate permissible to be used as a U.S. benchmark rate. This guidance was effective for annual and interim periods beginning after December 15, 2018, and did not have a material impact on the financial condition or liquidity of the Company. ASU 2020-04 and ASU 2021-01 Reference Rate Reform (Topic 848) were issued on March 12, 2020 and January 7, 2021, respectively, and each provide further guidance on optional expedients and exceptions for applying GAAP to contract modifications and hedging relationships due to the discontinuation of LIBOR. In addition, on March 5, 2021, the International Swaps and Derivatives Association (“ISDA”) issued a statement with an “Index Cessation Event Announcement,” which confirmed the extension of the cessation of LIBOR-referenced rates from December 31, 2021, to June 30, 2023, for certain rate tenors. ASU 2022-06 further defers the sunset date of Topic 848 from December 31, 2022, to December 31, 2024, after which entities will no longer be permitted to apply the relief in Topic 848.

​

The Company formed a LIBOR transition team in 2019 and developed a project plan to assess the use of alternative indexes and to seek to ensure all financial instruments that reference LIBOR are identified, quantified, and researched for the LIBOR fallback language available or needed. The Company completed the ISDA protocol adherence for LIBOR fallback language for all commercial swaps, met with its commercial loan clients to also guide their swap fallback language adherence, and worked to revise all credit documents being issued by Old Second National Bank (the “Bank”) for new loans to ensure appropriate fallback language is included. We discontinued the use of LIBOR as a reference rate for all consumer loans issued after July 31, 2021, and all commercial loans issued after December 31, 2021, with certain exceptions for those loans that were in the process of funding at the end of 2021. The Company’s systems were updated to handle multiple SOFR-based indexes and we have planned accordingly for the transition of existing LIBOR exposures as the final LIBOR cessation date was June 30, 2023.

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Old Second Bancorp, Inc. and Subsidiaries

Notes to Consolidated Financial Statements

(Dollar amounts in thousands, except per share data, unaudited)

​

ASU 2022-01 – On March 28, 2022, the FASB issued ASU 2022-01 “Derivatives and Hedging (Topic 815): Fair Value Hedging – Portfolio Layer Method.” The goal of this new hedging standard is to better align the economic results of risk management activities with hedge accounting, by allowing multiple layers of a single closed portfolio to be hedged, as compared to the single-layer, or last of layer method, allowed with the adoption of ASU 2017-12. ASU 2022-01 is effective for public business entities for fiscal years beginning after December 15, 2022, and interim periods within those fiscal years, and was adopted by the Company as of January 1, 2023. There was no material impact of the pronouncement to the financial statements of the Company.

​

ASU 2022-02 – On March 31, 2022, the FASB issued ASU 2022-02 “Financial Instruments-Credit Losses (Topic 326): Troubled Debt Restructurings and Vintage Disclosures.” The amendments eliminate certain troubled debt restructuring (“TDR”) recognition and measurement guidance previously in effect, and consideration of the TDRs similar to other modified loans under CECL is now required. ASU 2022-02 also requires enhancements to vintage loan disclosures, requiring detail be provided on current-period gross write-offs and disclosure of the amortized cost basis of financing receivables by credit quality indicators and by loan portfolio class of the gross charge-off based on year of origination. ASU 2022-02 was effective for fiscal years beginning after December 15, 2022, including interim periods within those years, and was adopted prospectively by the Company as of January 1, 2023. There was no material impact of the pronouncement to the financial statements of the Company.

​

Change in Significant Accounting Policies

​

Significant accounting policies are presented in Note 1 to the consolidated financial statements included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2022. These policies, along with the disclosures presented in the other financial statement notes and in this discussion, provide information on how significant assets and liabilities are valued in the consolidated financial statements and how those values are determined. During the second quarter of 2023, the Company had no changes to significant accounting policies or estimates.

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Subsequent Events

​

On July 18, 2023, our Board of Directors declared a cash dividend of $0.05 per share payable on August 7, 2023, to stockholders of record as of July 28, 2023; dividends of $2.2 million are scheduled to be paid to stockholders on August 7, 2023.

​

Note 2 – Acquisition

​

On December 1, 2021, the Company completed its acquisition of West Suburban Bancorp, Inc. (“West Suburban”), a bank holding company, and its wholly owned subsidiary, West Suburban Bank, based in Lombard, Illinois, with operations throughout our existing market footprint. At closing, the Company acquired $2.94 billion of assets, $1.50 billion of loans, $1.07 billion of securities, and $2.69 billion of deposits, net of fair value adjustments. Under the terms of the merger agreement, each outstanding share of West Suburban common stock was exchanged for 42.413 shares of Company common stock, plus $271.15 of cash. This resulted in merger consideration of $295.2 million, based on the closing price of the Company’s common stock on the date of acquisition, which consisted of 15.7 million shares of the Company’s common stock and $100.7 million of cash. Goodwill of $67.9 million associated with the acquisition was recorded by the Company, which was the result of expected synergies, operational efficiencies and other factors. The acquisition of West Suburban was accounted for as a business combination, and none of the $67.9 million of goodwill recorded is expected to be deductible for income tax purposes.

​

​

​

​

Note 3 – Securities

​

Investment Portfolio Management

​

Our investment portfolio serves the liquidity needs and income objectives of the Company. While the portfolio serves as an important component of the overall liquidity management at the Bank, portions of the portfolio also serve as income producing assets. The size and composition of the portfolio reflects liquidity needs, loan demand and interest income objectives. Portfolio size and composition will be adjusted from time to time. While a significant portion of the portfolio consists of readily marketable securities to address liquidity, other parts of the portfolio may reflect funds invested pending future loan demand or to maximize interest income without undue interest rate risk.

10

Table of Contents

Old Second Bancorp, Inc. and Subsidiaries

Notes to Consolidated Financial Statements

(Dollar amounts in thousands, except per share data, unaudited)

​

Investments are comprised of debt securities and non-marketable equity investments. Securities available-for-sale are carried at fair value. Unrealized gains and losses, net of tax, on securities available-for-sale are reported as a separate component of equity. This balance sheet component changes as interest rates and market conditions change. Unrealized gains and losses are not included in the calculation of regulatory capital.

​

Federal Home Loan Bank of Chicago (“FHLBC”) and Federal Reserve Bank of Chicago (“FRBC”) stock are considered nonmarketable equity investments. FHLBC stock was recorded at $21.8 million at June 30, 2023, and $5.6 million at December 31, 2022. FRBC stock was recorded at $14.9 million at June 30, 2023 and December 31, 2022.

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The following tables summarize the amortized cost and fair value of the securities portfolio at June 30, 2023, and December 31, 2022, and the corresponding amounts of gross unrealized gains and losses:

​

​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | Gross | ​ | Gross | ​ | ​ | ​
​ | ​ | Amortized | ​ | Unrealized | ​ | Unrealized | ​ | Fair
June 30, 2023 |  | Cost1 |  | Gains |  | Losses | ​ | Value
Securities available-for-sale | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
U.S. Treasury | ​ | $ | 224,337 | ​ | $ | - | ​ | $ | (9,724) | ​ | $ | 214,613
U.S. government agencies | ​ | ​ | 60,593 | ​ | ​ | - | ​ | ​ | (4,612) | ​ | ​ | 55,981
U.S. government agencies mortgage-backed | ​ | ​ | 129,973 | ​ | ​ | - | ​ | ​ | (14,833) | ​ | ​ | 115,140
States and political subdivisions | ​ | ​ | 241,764 | ​ | ​ | 557 | ​ | ​ | (12,787) | ​ | ​ | 229,534
Corporate bonds | ​ | ​ | 5,000 | ​ | ​ | - | ​ | ​ | (118) | ​ | ​ | 4,882
Collateralized mortgage obligations | ​ | ​ | 468,029 | ​ | ​ | - | ​ | ​ | (60,534) | ​ | ​ | 407,495
Asset-backed securities | ​ | ​ | 140,791 | ​ | ​ | - | ​ | ​ | (6,472) | ​ | ​ | 134,319
Collateralized loan obligations | ​ | ​ | 177,523 | ​ | ​ | - | ​ | ​ | (3,865) | ​ | ​ | 173,658
Total securities available-for-sale | ​ | $ | 1,448,010 | ​ | $ | 557 | ​ | $ | (112,945) | ​ | $ | 1,335,622
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​

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​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | Gross | ​ | Gross | ​ | ​ | ​
​ | ​ | Amortized | ​ | Unrealized | ​ | Unrealized | ​ | Fair
December 31, 2022 |  | Cost1 |  | Gains |  | Losses | ​ | Value
Securities available-for-sale | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
U.S. Treasury | ​ | $ | 224,054 | ​ | $ | - | ​ | $ | (11,925) | ​ | $ | 212,129
U.S. government agencies | ​ | ​ | 61,178 | ​ | ​ | - | ​ | ​ | (5,130) | ​ | ​ | 56,048
U.S. government agencies mortgage-backed | ​ | ​ | 140,588 | ​ | ​ | - | ​ | ​ | (15,598) | ​ | ​ | 124,990
States and political subdivisions | ​ | ​ | 239,999 | ​ | ​ | 363 | ​ | ​ | (14,234) | ​ | ​ | 226,128
Corporate bonds | ​ | ​ | 10,000 | ​ | ​ | - | ​ | ​ | (378) | ​ | ​ | 9,622
Collateralized mortgage obligations | ​ | ​ | 596,336 | ​ | ​ | 1 | ​ | ​ | (62,569) | ​ | ​ | 533,768
Asset-backed securities | ​ | ​ | 210,388 | ​ | ​ | 6 | ​ | ​ | (8,466) | ​ | ​ | 201,928
Collateralized loan obligations | ​ | ​ | 180,276 | ​ | ​ | - | ​ | ​ | (5,530) | ​ | ​ | 174,746
Total securities available-for-sale | ​ | $ | 1,662,819 | ​ | $ | 370 | ​ | $ | (123,830) | ​ | $ | 1,539,359
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​

​

1 Excludes accrued interest receivable of $6.9 million and $6.8 million at June 30, 2023 and December 31, 2022, respectively, that is recorded in other assets on the consolidated balance sheets.

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Old Second Bancorp, Inc. and Subsidiaries

Notes to Consolidated Financial Statements

(Dollar amounts in thousands, except per share data, unaudited)

​

The fair value, amortized cost and weighted average yield of debt securities at June 30, 2023, by contractual maturity, are listed in the table below. Securities not due at a single maturity date are shown separately.

​

​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | Weighted | ​ | ​ | ​ | ​ | ​
​ | ​ | Amortized | ​ | Average | ​ | ​ | Fair | ​
Securities available-for-sale |  | Cost |  | Yield | ​ |  | Value |
Due in one year or less | ​ | $ | 153,576 | ​ | 0.93 | % | ​ | $ | 149,066 | ​
Due after one year through five years | ​ | ​ | 151,098 | ​ | 1.19 | ​ | ​ | ​ | 140,669 | ​
Due after five years through ten years | ​ | ​ | 52,232 | ​ | 3.03 | ​ | ​ | ​ | 48,401 | ​
Due after ten years | ​ | ​ | 174,788 | ​ | 3.07 | ​ | ​ | ​ | 166,874 | ​
​ | ​ | ​ | 531,694 | ​ | 1.91 | ​ | ​ | ​ | 505,010 | ​
Mortgage-backed and collateralized mortgage obligations | ​ | ​ | 598,002 | ​ | 2.29 | ​ | ​ | ​ | 522,635 | ​
Asset-backed securities | ​ | ​ | 140,791 | ​ | 5.15 | ​ | ​ | ​ | 134,319 | ​
Collateralized loan obligations | ​ | ​ | 177,523 | ​ | 6.92 | ​ | ​ | ​ | 173,658 | ​
Total securities available-for-sale | ​ | $ | 1,448,010 | ​ | 3.00 | % | ​ | $ | 1,335,622 | ​

​

At June 30, 2023, the Company had no securities issued from any one originator, other than the U.S. Government and its agencies, which individually amounted to over 10% of the Company’s stockholders’ equity.

​

Securities with unrealized losses with no corresponding allowance for credit losses at June 30, 2023 and December 31, 2022, aggregated by investment category and length of time that individual securities have been in a continuous unrealized loss position, were as follows (in thousands except for number of securities):

​

​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Less than 12 months | ​ | 12 months or more | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
June 30, 2023 | ​ | in an unrealized loss position | ​ | in an unrealized loss position | ​ | Total
​ | ​ | Number of | ​ | Unrealized | ​ | Fair | ​ | Number of | ​ | Unrealized | ​ | Fair | ​ | Number of | ​ | Unrealized | ​ | Fair
Securities available-for-sale |  | Securities |  | Losses |  | Value |  | Securities |  | Losses |  | Value |  | Securities |  | Losses |  | Value
U.S. Treasuries | ​ | - | ​ | $ | - | ​ | $ | - | ​ | 5 | ​ | $ | 9,724 | ​ | $ | 214,613 | ​ | 5 | ​ | $ | 9,724 | ​ | $ | 214,613
U.S. government agencies | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | 9 | ​ | ​ | 4,612 | ​ | ​ | 55,981 | ​ | 9 | ​ | ​ | 4,612 | ​ | ​ | 55,981
U.S. government agencies mortgage-backed | ​ | 3 | ​ | ​ | 177 | ​ | ​ | 2,188 | ​ | 127 | ​ | ​ | 14,656 | ​ | ​ | 112,952 | ​ | 130 | ​ | ​ | 14,833 | ​ | ​ | 115,140
States and political subdivisions | ​ | 31 | ​ | ​ | 1,178 | ​ | ​ | 92,606 | ​ | 26 | ​ | ​ | 11,609 | ​ | ​ | 83,930 | ​ | 57 | ​ | ​ | 12,787 | ​ | ​ | 176,536
Corporate bonds | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | 1 | ​ | ​ | 118 | ​ | ​ | 4,882 | ​ | 1 | ​ | ​ | 118 | ​ | ​ | 4,882
Collateralized mortgage obligations | ​ | 3 | ​ | ​ | 381 | ​ | ​ | 7,817 | ​ | 149 | ​ | ​ | 60,153 | ​ | ​ | 399,678 | ​ | 152 | ​ | ​ | 60,534 | ​ | ​ | 407,495
Asset-backed securities | ​ | 4 | ​ | ​ | 536 | ​ | ​ | 29,088 | ​ | 27 | ​ | ​ | 5,936 | ​ | ​ | 105,231 | ​ | 31 | ​ | ​ | 6,472 | ​ | ​ | 134,319
Collateralized loan obligations | ​ | 1 | ​ | ​ | 8 | ​ | ​ | 2,970 | ​ | 33 | ​ | ​ | 3,857 | ​ | ​ | 170,688 | ​ | 34 | ​ | ​ | 3,865 | ​ | ​ | 173,658
Total securities available-for-sale | ​ | 42 | ​ | $ | 2,280 | ​ | $ | 134,669 | ​ | 377 | ​ | $ | 110,665 | ​ | $ | 1,147,955 | ​ | 419 | ​ | $ | 112,945 | ​ | $ | 1,282,624

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​

​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Less than 12 months | ​ | 12 months or more | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
December 31, 2022 | ​ | in an unrealized loss position | ​ | in an unrealized loss position | ​ | Total
​ | ​ | Number of | ​ | Unrealized | ​ | ​ | Fair | ​ | Number of | ​ | Unrealized | ​ | ​ | Fair | ​ | Number of | ​ | Unrealized | ​ | ​ | Fair
Securities available-for-sale |  | Securities |  | Losses |  | ​ | Value |  | Securities |  | Losses |  | ​ | Value |  | Securities |  | Losses |  | ​ | Value
U.S. Treasuries | ​ | 1 | ​ | $ | 1,025 | ​ | $ | 24,121 | ​ | 4 | ​ | $ | 10,900 | ​ | $ | 188,008 | ​ | 5 | ​ | $ | 11,925 | ​ | $ | 212,129
U.S. government agencies | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | 9 | ​ | ​ | 5,130 | ​ | ​ | 56,048 | ​ | 9 | ​ | ​ | 5,130 | ​ | ​ | 56,048
U.S. government agencies mortgage-backed | ​ | 15 | ​ | ​ | 975 | ​ | ​ | 11,369 | ​ | 117 | ​ | ​ | 14,623 | ​ | ​ | 113,621 | ​ | 132 | ​ | ​ | 15,598 | ​ | ​ | 124,990
States and political subdivisions | ​ | 45 | ​ | ​ | 5,800 | ​ | ​ | 128,770 | ​ | 15 | ​ | ​ | 8,434 | ​ | ​ | 48,877 | ​ | 60 | ​ | ​ | 14,234 | ​ | ​ | 177,647
Corporate bonds | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | 2 | ​ | ​ | 378 | ​ | ​ | 9,622 | ​ | 2 | ​ | ​ | 378 | ​ | ​ | 9,622
Collateralized mortgage obligations | ​ | 80 | ​ | ​ | 12,895 | ​ | ​ | 180,624 | ​ | 120 | ​ | ​ | 49,674 | ​ | ​ | 348,880 | ​ | 200 | ​ | ​ | 62,569 | ​ | ​ | 529,504
Asset-backed securities | ​ | 30 | ​ | ​ | 3,030 | ​ | ​ | 121,915 | ​ | 21 | ​ | ​ | 5,436 | ​ | ​ | 79,659 | ​ | 51 | ​ | ​ | 8,466 | ​ | ​ | 201,574
Collateralized loan obligations | ​ | 23 | ​ | ​ | 3,579 | ​ | ​ | 112,772 | ​ | 11 | ​ | ​ | 1,951 | ​ | ​ | 61,974 | ​ | 34 | ​ | ​ | 5,530 | ​ | ​ | 174,746
Total securities available-for-sale | ​ | 194 | ​ | $ | 27,304 | ​ | $ | 579,571 | ​ | 299 | ​ | $ | 96,526 | ​ | $ | 906,689 | ​ | 493 | ​ | $ | 123,830 | ​ | $ | 1,486,260
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​

​

Each quarter, we perform an analysis to determine if any of the unrealized losses on securities available-for-sale are comprised of credit losses as compared to unrealized losses due to market interest rate adjustments. Our assessment includes a review of the unrealized loss for each security issuance held; the financial condition and near-term prospects of the issuer, including external credit ratings and recent downgrades; and our ability and intent to hold the security for a period of time sufficient for a recovery in value. We also consider the extent to which the securities are issued by the federal government or its agencies, and any guarantee of issued amounts by those agencies.

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Old Second Bancorp, Inc. and Subsidiaries

Notes to Consolidated Financial Statements

(Dollar amounts in thousands, except per share data, unaudited)

The portfolio continues to consist of a mix of fixed and floating-rate, high quality securities, largely rated AA (or better), displaying an overall effective duration of approximately 3.0 years. No credit losses were determined to be present as of June 30, 2023, as there was no credit quality deterioration noted. Therefore, no provision for credit losses on securities was recognized for the second quarter of 2023.

​

The following table presents net realized losses on securities available-for-sale for three and six months ended:

​

​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | Three Months Ended | ​ | ​ | Six Months Ended | ​ | ​
​ | ​ | ​ | June 30, | ​ | ​ | June 30, | ​ | ​
Securities available-for-sale |  | 2023 |  | 2022 |  | 2023 |  | 2022 |  | ​
Proceeds from sales of securities | ​ | $ | 73,996 | ​ | $ | 3,303 | ​ | $ | 140,166 | ​ | $ | 3,303 | ​ | ​
Gross realized losses on securities | ​ |  | (1,547) | ​ |  | (33) | ​ |  | (3,222) | ​ |  | (33) | ​ | ​
Net realized losses | ​ | $ | (1,547) | ​ | $ | (33) | ​ | $ | (3,222) | ​ | $ | (33) | ​ | ​
Income tax benefit on net realized losses | ​ | $ | 434 | ​ | $ | 9 | ​ | $ | 905 | ​ | $ | 9 | ​ | ​
Effective tax rate applied | ​ | ​ | 28.1 | % | ​ | 27.3 | % | ​ | 28.1 | % | ​ | 27.3 | % | ​

​

​

As of June 30, 2023, securities valued at $938.5 million were pledged for borrowings, and for other purposes, an increase from $547.8 million of securities pledged at year-end 2022.

​

Note 4 – Loans and Allowance for Credit Losses on Loans

​

Major segments of loans were as follows:

​

​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | June 30, 2023 |  | December 31, 2022
Commercial 1 | ​ | $ | 820,027 | ​ | $ | 840,964
Leases | ​ | ​ | 314,919 | ​ | ​ | 277,385
Commercial real estate – investor | ​ | ​ | 1,080,073 | ​ | ​ | 987,635
Commercial real estate – owner occupied | ​ | ​ | 824,277 | ​ | ​ | 854,879
Construction | ​ | ​ | 189,058 | ​ | ​ | 180,535
Residential real estate – investor | ​ | ​ | 55,935 | ​ | ​ | 57,353
Residential real estate – owner occupied | ​ | ​ | 218,205 | ​ | ​ | 219,718
Multifamily | ​ | ​ | 383,184 | ​ | ​ | 323,691
HELOC | ​ | ​ | 102,058 | ​ | ​ | 109,202
Other 2 | ​ | ​ | 27,789 | ​ | ​ | 18,247
Total loans | ​ | ​ | 4,015,525 | ​ | ​ | 3,869,609
Allowance for credit losses on loans | ​ | ​ | (55,314) | ​ | ​ | (49,480)
Net loans 3 | ​ | $ | 3,960,211 | ​ | $ | 3,820,129

​

1 Includes $1.2 million and $1.6 million of Paycheck Protection Program (“PPP”) loans at June 30, 2023 and December 31, 2022, respectively.

​

2 The “Other” segment includes consumer loans and overdrafts in this table and in subsequent tables within Note 4 – Loans and Allowance for Credit Losses on Loans.

​

3 Excludes accrued interest receivable of $17.8 million and $15.9 million at June 30, 2023 and December 31, 2022, respectively, that is recorded in other assets on the consolidated balance sheets.

​

It is the policy of the Company to review each prospective credit prior to making a loan in order to determine if an adequate level of security or collateral has been obtained. The type of collateral, when required, will vary from liquid assets to real estate. The Company seeks to assure access to collateral, in the event of borrower default, through adherence to lending laws, the Company’s lending standards and credit monitoring procedures. Although the Bank makes loans primarily within its market area, there are no significant concentrations

13

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Old Second Bancorp, Inc. and Subsidiaries

Notes to Consolidated Financial Statements

(Dollar amounts in thousands, except per share data, unaudited)

of loans where the customers’ ability to honor loan terms is dependent upon a single economic sector. The real estate related categories listed above represent 71.0% and 70.6% of the portfolio at June 30, 2023, and December 31, 2022, respectively, and include a mix of owner occupied and non-owner occupied commercial real estate, residential, construction and multifamily loans.

​

The following tables represent the activity in the allowance for credit losses for loans, or the ACL, for the three and six months ended June 30, 2023 and 2022:

​

​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | Provision for | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Beginning | ​ | (Release of) | ​ | ​ | ​ | ​ | ​ | Ending
Allowance for credit losses |  | Balance |  | Credit Losses |  | Charge-offs |  | Recoveries |  | Balance
Three months ended June 30, 2023 | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Commercial | ​ | $ | 11,511 | ​ | $ | 319 | ​ | $ | 380 | ​ | $ | 82 | ​ | $ | 11,532
Leases | ​ | ​ | 2,766 | ​ | ​ | (83) | ​ | ​ | - | ​ | ​ | 7 | ​ | ​ | 2,690
Commercial real estate – investor | ​ | ​ | 15,260 | ​ | ​ | 4,822 | ​ | ​ | 71 | ​ | ​ | 20 | ​ | ​ | 20,031
Commercial real estate – owner occupied | ​ | ​ | 15,576 | ​ | ​ | (2,816) | ​ | ​ | 201 | ​ | ​ | 3 | ​ | ​ | 12,562
Construction | ​ | ​ | 1,045 | ​ | ​ | 134 | ​ | ​ | - | ​ | ​ | - | ​ | ​ | 1,179
Residential real estate – investor | ​ | ​ | 746 | ​ | ​ | (8) | ​ | ​ | - | ​ | ​ | 5 | ​ | ​ | 743
Residential real estate – owner occupied | ​ | ​ | 1,722 | ​ | ​ | 110 | ​ | ​ | - | ​ | ​ | 36 | ​ | ​ | 1,868
Multifamily | ​ | ​ | 2,665 | ​ | ​ | 72 | ​ | ​ | - | ​ | ​ | - | ​ | ​ | 2,737
HELOC | ​ | ​ | 1,788 | ​ | ​ | (118) | ​ | ​ | - | ​ | ​ | 24 | ​ | ​ | 1,694
Other | ​ | ​ | 313 | ​ | ​ | (5) | ​ | ​ | 81 | ​ | ​ | 51 | ​ | ​ | 278
Total | ​ | $ | 53,392 | ​ | $ | 2,427 | ​ | $ | 733 | ​ | $ | 228 | ​ | $ | 55,314
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​

​

​

​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | Provision for | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Beginning | ​ | (Release of) | ​ | ​ | ​ | ​ | ​ | Ending
Allowance for credit losses |  | Balance |  | Credit Losses |  | Charge-offs |  | Recoveries |  | Balance
Six months ended June 30, 2023 | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Commercial | ​ | $ | 11,968 | ​ | $ | (262) | ​ | $ | 407 | ​ | $ | 233 | ​ | $ | 11,532
Leases | ​ | ​ | 2,865 | ​ | ​ | 691 | ​ | ​ | 882 | ​ | ​ | 16 | ​ | ​ | 2,690
Commercial real estate – investor | ​ | ​ | 10,674 | ​ | ​ | 9,391 | ​ | ​ | 71 | ​ | ​ | 37 | ​ | ​ | 20,031
Commercial real estate – owner occupied | ​ | ​ | 15,001 | ​ | ​ | (2,243) | ​ | ​ | 201 | ​ | ​ | 5 | ​ | ​ | 12,562
Construction | ​ | ​ | 1,546 | ​ | ​ | (367) | ​ | ​ | - | ​ | ​ | - | ​ | ​ | 1,179
Residential real estate – investor | ​ | ​ | 768 | ​ | ​ | (49) | ​ | ​ | - | ​ | ​ | 24 | ​ | ​ | 743
Residential real estate – owner occupied | ​ | ​ | 2,046 | ​ | ​ | (224) | ​ | ​ | - | ​ | ​ | 46 | ​ | ​ | 1,868
Multifamily | ​ | ​ | 2,453 | ​ | ​ | 284 | ​ | ​ | - | ​ | ​ | - | ​ | ​ | 2,737
HELOC | ​ | ​ | 1,806 | ​ | ​ | (165) | ​ | ​ | - | ​ | ​ | 53 | ​ | ​ | 1,694
Other | ​ | ​ | 353 | ​ | ​ | 23 | ​ | ​ | 194 | ​ | ​ | 96 | ​ | ​ | 278
Total | ​ | $ | 49,480 | ​ | $ | 7,079 | ​ | $ | 1,755 | ​ | $ | 510 | ​ | $ | 55,314
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​

​

​

​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | Provision for | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Beginning | ​ | (Release of) | ​ | ​ | ​ | ​ | ​ | Ending
Allowance for credit losses |  | Balance |  | Credit Losses |  | Charge-offs |  | Recoveries |  | Balance
Three months ended June 30, 2022 | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Commercial | ​ | $ | 12,576 | ​ | $ | 1,582 | ​ | $ | 52 | ​ | $ | 8 | ​ | $ | 14,114
Leases | ​ | ​ | 2,573 | ​ | ​ | (837) | ​ | ​ | - | ​ | ​ | - | ​ | ​ | 1,736
Commercial real estate – investor | ​ | ​ | 10,690 | ​ | ​ | (1,029) | ​ | ​ | 243 | ​ | ​ | 18 | ​ | ​ | 9,436
Commercial real estate – owner occupied | ​ | ​ | 8,139 | ​ | ​ | 3,332 | ​ | ​ | - | ​ | ​ | 7 | ​ | ​ | 11,478
Construction | ​ | ​ | 2,858 | ​ | ​ | (1,323) | ​ | ​ | - | ​ | ​ | - | ​ | ​ | 1,535
Residential real estate – investor | ​ | ​ | 703 | ​ | ​ | (47) | ​ | ​ | - | ​ | ​ | 5 | ​ | ​ | 661
Residential real estate – owner occupied | ​ | ​ | 1,950 | ​ | ​ | (103) | ​ | ​ | - | ​ | ​ | 22 | ​ | ​ | 1,869
Multifamily | ​ | ​ | 2,977 | ​ | ​ | (543) | ​ | ​ | - | ​ | ​ | - | ​ | ​ | 2,434
HELOC | ​ | ​ | 1,675 | ​ | ​ | (164) | ​ | ​ | - | ​ | ​ | 31 | ​ | ​ | 1,542
Other | ​ | ​ | 167 | ​ | ​ | 462 | ​ | ​ | 91 | ​ | ​ | 45 | ​ | ​ | 583
Total | ​ | $ | 44,308 | ​ | $ | 1,330 | ​ | $ | 386 | ​ | $ | 136 | ​ | $ | 45,388
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​

​

​

​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​

14

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Old Second Bancorp, Inc. and Subsidiaries

Notes to Consolidated Financial Statements

(Dollar amounts in thousands, except per share data, unaudited)

​ | ​ | ​ | ​ | Provision for | ​ | ​ | ​ | ​ | ​ | ​
Allowance for credit losses | ​ | Beginning | ​ | (Release of) | ​ | ​ | ​ | ​ | ​ | Ending
Six months ended June 30, 2022 |  | Balance |  | Credit Losses |  | Charge-offs |  | Recoveries |  | Balance
Commercial | ​ | $ | 11,751 | ​ | $ | 2,407 | ​ | $ | 82 | ​ | $ | 38 | ​ | $ | 14,114
Leases | ​ | ​ | 3,480 | ​ | ​ | (1,744) | ​ | ​ | - | ​ | ​ | - | ​ | ​ | 1,736
Commercial real estate – investor | ​ | ​ | 10,795 | ​ | ​ | (920) | ​ | ​ | 480 | ​ | ​ | 41 | ​ | ​ | 9,436
Commercial real estate – owner occupied | ​ | ​ | 4,913 | ​ | ​ | 6,671 | ​ | ​ | 121 | ​ | ​ | 15 | ​ | ​ | 11,478
Construction | ​ | ​ | 3,373 | ​ | ​ | (1,838) | ​ | ​ | - | ​ | ​ | - | ​ | ​ | 1,535
Residential real estate – investor | ​ | ​ | 760 | ​ | ​ | (114) | ​ | ​ | - | ​ | ​ | 15 | ​ | ​ | 661
Residential real estate – owner occupied | ​ | ​ | 2,832 | ​ | ​ | (1,068) | ​ | ​ | - | ​ | ​ | 105 | ​ | ​ | 1,869
Multifamily | ​ | ​ | 3,675 | ​ | ​ | (1,241) | ​ | ​ | - | ​ | ​ | - | ​ | ​ | 2,434
HELOC | ​ | ​ | 2,510 | ​ | ​ | (1,035) | ​ | ​ | - | ​ | ​ | 67 | ​ | ​ | 1,542
Other | ​ | ​ | 192 | ​ | ​ | 532 | ​ | ​ | 217 | ​ | ​ | 76 | ​ | ​ | 583
Total | ​ | $ | 44,281 | ​ | $ | 1,650 | ​ | $ | 900 | ​ | $ | 357 | ​ | $ | 45,388
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​

​

​

At June 30, 2023, our allowance for credit losses (“ACL”) on loans totaled $55.3 million, and our ACL on unfunded commitments, included in other liabilities, totaled $3.1 million including related purchase accounting adjustments. During the first six months of 2023, we recorded net provision expense of $5.5 million based on historical loss rate updates driven by higher charge offs in commercial real estate-investor, loan growth in the reserve of approximately $247.3 million, risk rating migration including an increased reserve on loans individually analyzed, and our assessment of estimated future credit losses. The ACL on loans excludes $2.7 million, $4.3 million and $3.4 million of allowance for unfunded commitments as of June 30, 2023, December 31, 2022 and June 30, 2022, respectively, recorded within Other Liabilities. The total ACL on unfunded commitments listed as of June 30, 2023, December 31, 2022, and June 30, 2022 excludes the purchase accounting adjustment of $372,000, $819,000 and $1.3 million, respectively, recorded due to our acquisition of West Suburban, which is also recorded within Other Liabilities, and is being accreted in interest income over the estimated life of the unused commitments.

​

The following tables presents the collateral dependent loans and the related ACL allocated by segment of loans as of June 30, 2023 and December 31, 2022:

​

​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | Accounts | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ACL
June 30, 2023 | ​ | Real Estate | ​ | Receivable | ​ | Equipment | ​ | Other | ​ | Total | ​ | Allocation
Commercial | ​ | $ | 859 | ​ | $ | 91 | ​ | $ | - | ​ | $ | - | ​ | $ | 950 | ​ | $ | 20
Leases | ​ | ​ | - | ​ | ​ | - | ​ | ​ | 637 | ​ | ​ | - | ​ | ​ | 637 | ​ | ​ | 637
Commercial real estate – investor | ​ | ​ | 31,464 | ​ | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | ​ | 31,464 | ​ | ​ | 9,159
Commercial real estate – owner occupied | ​ | ​ | 17,691 | ​ | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | ​ | 17,691 | ​ | ​ | 4,586
Construction | ​ | ​ | 116 | ​ | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | ​ | 116 | ​ | ​ | -
Residential real estate – investor | ​ | ​ | 38 | ​ | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | ​ | 38 | ​ | ​ | -
Residential real estate – owner occupied | ​ | ​ | 1,486 | ​ | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | ​ | 1,486 | ​ | ​ | -
Multifamily | ​ | ​ | 591 | ​ | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | ​ | 591 | ​ | ​ | -
HELOC | ​ | ​ | 39 | ​ | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | ​ | 39 | ​ | ​ | 33
Total | ​ | $ | 52,284 | ​ | $ | 91 | ​ | $ | 637 | ​ | $ | - | ​ | $ | 53,012 | ​ | $ | 14,435
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | Accounts | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ACL
December 31, 2022 | ​ | Real Estate | ​ | Receivable | ​ | Equipment | ​ | Other | ​ | Total | ​ | Allocation
Commercial | ​ | $ | 883 | ​ | $ | 5,915 | ​ | $ | - | ​ | $ | 364 | ​ | $ | 7,162 | ​ | $ | 569
Leases | ​ | ​ | - | ​ | ​ | - | ​ | ​ | 1,248 | ​ | ​ | - | ​ | ​ | 1,248 | ​ | ​ | 1,248
Commercial real estate – investor | ​ | ​ | 16,576 | ​ | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | ​ | 16,576 | ​ | ​ | 2,875
Commercial real estate – owner occupied | ​ | ​ | 19,188 | ​ | ​ | - | ​ | ​ | - | ​ | ​ | 2,310 | ​ | ​ | 21,498 | ​ | ​ | 5,808
Residential real estate – investor | ​ | ​ | 675 | ​ | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | ​ | 675 | ​ | ​ | -
Residential real estate – owner occupied | ​ | ​ | 1,817 | ​ | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | ​ | 1,817 | ​ | ​ | 244
Multifamily | ​ | ​ | 1,322 | ​ | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | ​ | 1,322 | ​ | ​ | -
HELOC | ​ | ​ | 180 | ​ | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | ​ | 180 | ​ | ​ | -
Total | ​ | $ | 40,641 | ​ | $ | 5,915 | ​ | $ | 1,248 | ​ | $ | 2,674 | ​ | $ | 50,478 | ​ | $ | 10,744

15

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Old Second Bancorp, Inc. and Subsidiaries

Notes to Consolidated Financial Statements

(Dollar amounts in thousands, except per share data, unaudited)

​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​

​

Aged analysis of past due loans by segments of loans was as follows:

​

​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | 90 days or
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | 90 Days or | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | Greater Past
​ | ​ | 30-59 Days | ​ | 60-89 Days | ​ | Greater Past | ​ | Total Past | ​ | ​ | ​ | ​ | ​ | ​ | ​ | Due and
June 30, 2023 | ​ | Past Due |  | Past Due |  | Due |  | Due |  | Current |  | Total Loans |  | Accruing
Commercial | ​ | $ | - | ​ | $ | 879 | ​ | $ | 91 | ​ | $ | 970 | ​ | $ | 819,057 | ​ | $ | 820,027 | ​ | $ | -
Leases | ​ | ​ | 453 | ​ | ​ | 37 | ​ | ​ | - | ​ | ​ | 490 | ​ | ​ | 314,429 | ​ | ​ | 314,919 | ​ | ​ | -
Commercial real estate – investor | ​ | ​ | 132 | ​ | ​ | 21 | ​ | ​ | 26,579 | ​ | ​ | 26,732 | ​ | ​ | 1,053,341 | ​ | ​ | 1,080,073 | ​ | ​ | 149
Commercial real estate – owner occupied | ​ | ​ | 1,120 | ​ | ​ | 2,037 | ​ | ​ | 4,317 | ​ | ​ | 7,474 | ​ | ​ | 816,803 | ​ | ​ | 824,277 | ​ | ​ | -
Construction | ​ | ​ | - | ​ | ​ | - | ​ | ​ | 116 | ​ | ​ | 116 | ​ | ​ | 188,942 | ​ | ​ | 189,058 | ​ | ​ | -
Residential real estate – investor | ​ | ​ | 447 | ​ | ​ | 460 | ​ | ​ | 292 | ​ | ​ | 1,199 | ​ | ​ | 54,736 | ​ | ​ | 55,935 | ​ | ​ | -
Residential real estate – owner occupied | ​ | ​ | 179 | ​ | ​ | 731 | ​ | ​ | 2,248 | ​ | ​ | 3,158 | ​ | ​ | 215,047 | ​ | ​ | 218,205 | ​ | ​ | -
Multifamily | ​ | ​ | 6,386 | ​ | ​ | 326 | ​ | ​ | - | ​ | ​ | 6,712 | ​ | ​ | 376,472 | ​ | ​ | 383,184 | ​ | ​ | -
HELOC | ​ | ​ | 549 | ​ | ​ | 11 | ​ | ​ | 231 | ​ | ​ | 791 | ​ | ​ | 101,267 | ​ | ​ | 102,058 | ​ | ​ | 159
Other | ​ | ​ | 1 | ​ | ​ | 2 | ​ | ​ | - | ​ | ​ | 3 | ​ | ​ | 27,786 | ​ | ​ | 27,789 | ​ | ​ | -
Total | ​ | $ | 9,267 | ​ | $ | 4,504 | ​ | $ | 33,874 | ​ | $ | 47,645 | ​ | $ | 3,967,880 | ​ | $ | 4,015,525 | ​ | $ | 308

​

​

​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | 90 days or
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | 90 Days or | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | Greater Past
​ | ​ | 30-59 Days | ​ | 60-89 Days | ​ | Greater Past | ​ | Total Past | ​ | ​ | ​ | ​ | ​ | ​ | ​ | Due and
December 31, 2022 | ​ | Past Due |  | Past Due |  | Due |  | Due |  | Current |  | Total Loans |  | Accruing
Commercial | ​ | $ | 3 | ​ | $ | 1,012 | ​ | $ | 825 | ​ | $ | 1,840 | ​ | $ | 839,124 | ​ | $ | 840,964 | ​ | $ | 460
Leases | ​ | ​ | 447 | ​ | ​ | 22 | ​ | ​ | 614 | ​ | ​ | 1,083 | ​ | ​ | 276,302 | ​ | ​ | 277,385 | ​ | ​ | -
Commercial real estate – investor | ​ | ​ | 3,276 | ​ | ​ | 1,276 | ​ | ​ | 4,315 | ​ | ​ | 8,867 | ​ | ​ | 978,768 | ​ | ​ | 987,635 | ​ | ​ | -
Commercial real estate – owner occupied | ​ | ​ | 373 | ​ | ​ | 113 | ​ | ​ | 2,211 | ​ | ​ | 2,697 | ​ | ​ | 852,182 | ​ | ​ | 854,879 | ​ | ​ | 173
Construction | ​ | ​ | 14 | ​ | ​ | - | ​ | ​ | 116 | ​ | ​ | 130 | ​ | ​ | 180,405 | ​ | ​ | 180,535 | ​ | ​ | -
Residential real estate – investor | ​ | ​ | 445 | ​ | ​ | - | ​ | ​ | 987 | ​ | ​ | 1,432 | ​ | ​ | 55,921 | ​ | ​ | 57,353 | ​ | ​ | 144
Residential real estate – owner occupied | ​ | ​ | 1,191 | ​ | ​ | - | ​ | ​ | 2,232 | ​ | ​ | 3,423 | ​ | ​ | 216,295 | ​ | ​ | 219,718 | ​ | ​ | 485
Multifamily | ​ | ​ | 267 | ​ | ​ | 361 | ​ | ​ | 1,322 | ​ | ​ | 1,950 | ​ | ​ | 321,741 | ​ | ​ | 323,691 | ​ | ​ | -
HELOC | ​ | ​ | 291 | ​ | ​ | 90 | ​ | ​ | 392 | ​ | ​ | 773 | ​ | ​ | 108,429 | ​ | ​ | 109,202 | ​ | ​ | -
Other | ​ | ​ | 19 | ​ | ​ | - | ​ | ​ | - | ​ | ​ | 19 | ​ | ​ | 18,228 | ​ | ​ | 18,247 | ​ | ​ | -
Total | ​ | $ | 6,326 | ​ | $ | 2,874 | ​ | $ | 13,014 | ​ | $ | 22,214 | ​ | $ | 3,847,395 | ​ | $ | 3,869,609 | ​ | $ | 1,262

​

The table presents all nonaccrual loans as of June 30, 2023, and December 31, 2022:

​

​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Nonaccrual loan detail |  | June 30, 2023 |  | With no ACL |  | December 31, 2022 |  | With no ACL
Commercial | ​ | $ | 1,544 | ​ | $ | 1,453 | ​ | $ | 7,189 | ​ | $ | 6,598
Leases | ​ | ​ | 758 | ​ | ​ | 121 | ​ | ​ | 1,876 | ​ | ​ | -
Commercial real estate – investor | ​ | ​ | 31,464 | ​ | ​ | 12,368 | ​ | ​ | 4,346 | ​ | ​ | 4,244
Commercial real estate – owner occupied | ​ | ​ | 18,857 | ​ | ​ | 4,329 | ​ | ​ | 8,050 | ​ | ​ | 3,813
Construction | ​ | ​ | 116 | ​ | ​ | 116 | ​ | ​ | 251 | ​ | ​ | -
Residential real estate – investor | ​ | ​ | 1,445 | ​ | ​ | 1,445 | ​ | ​ | 1,528 | ​ | ​ | 675
Residential real estate – owner occupied | ​ | ​ | 3,660 | ​ | ​ | 3,027 | ​ | ​ | 3,713 | ​ | ​ | 1,572
Multifamily | ​ | ​ | 1,191 | ​ | ​ | 1,191 | ​ | ​ | 2,538 | ​ | ​ | 1,322
HELOC | ​ | ​ | 1,890 | ​ | ​ | 1,890 | ​ | ​ | 2,109 | ​ | ​ | 180
Other | ​ | ​ | - | ​ | ​ | - | ​ | ​ | 2 | ​ | ​ | -
Total | ​ | $ | 60,925 | ​ | $ | 25,940 | ​ | $ | 31,602 | ​ | $ | 18,404

​

The Company recognized $29,000 of interest on nonaccrual loans during the three months ended June 30, 2023.

​

Credit Quality Indicators

​

The Company categorizes loans into credit risk categories based on current financial information, overall debt service coverage, comparison to industry averages, historical payment experience, and current economic trends. This analysis includes loans with outstanding balances or commitments greater than $50,000 and excludes homogeneous loans such as home equity lines of credit and

16

Table of Contents

Old Second Bancorp, Inc. and Subsidiaries

Notes to Consolidated Financial Statements

(Dollar amounts in thousands, except per share data, unaudited)

residential mortgages. Loans with a classified risk rating are reviewed quarterly regardless of size or loan type. The Company uses the following definitions for classified risk ratings:

​

Special Mention. Loans classified as special mention have a potential weakness that deserves management’s close attention. If left uncorrected, these potential weaknesses may result in deterioration of the repayment prospects for the loan at some future date.

​

Substandard. Loans classified as substandard are inadequately protected by the current net worth and paying capacity of the obligor or of the collateral pledged, if any. Loans so classified have a well-defined weakness or weaknesses that jeopardize the liquidation of the debt. They are characterized by the distinct possibility that the Bank will sustain some loss if the deficiencies are not corrected. The substandard credit quality indicator includes both potential problem loans that are currently performing and nonperforming loans.

​

Doubtful. Loans classified as doubtful have all the weaknesses inherent in those classified as substandard, with the added characteristic that the weaknesses make collection or liquidation in full, on the basis of currently existing facts, conditions, and values, highly questionable and improbable.

​

Credits that are not covered by the definitions above are pass credits, which are not considered to be adversely rated.

​

17

Table of Contents

Old Second Bancorp, Inc. and Subsidiaries

Notes to Consolidated Financial Statements

(Dollar amounts in thousands, except per share data, unaudited)

Credit quality indicators by loan segment and loan origination date at June 30, 2023 were as follows:

​

​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | 2023 |  | 2022 |  | 2021 |  | 2020 |  | 2019 |  | Prior |  | Revolving Loans |  | Revolving Loans Converted To Term Loans |  | Total
Commercial | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Pass | ​ | $ | 127,530 | ​ | $ | 226,048 | ​ | $ | 45,876 | ​ | $ | 16,103 | ​ | $ | 9,914 | ​ | $ | 5,986 | ​ | $ | 335,806 | ​ | $ | 1,379 | ​ | $ | 768,642
Special Mention | ​ | ​ | - | ​ | ​ | - | ​ | ​ | 260 | ​ | ​ | - | ​ | ​ | 43 | ​ | ​ | - | ​ | ​ | 28,837 | ​ | ​ | - | ​ | ​ | 29,140
Substandard | ​ | ​ | - | ​ | ​ | 3,010 | ​ | ​ | 1,432 | ​ | ​ | 2,815 | ​ | ​ | 11,354 | ​ | ​ | - | ​ | ​ | 3,634 | ​ | ​ | - | ​ | ​ | 22,245
Total commercial | ​ | ​ | 127,530 | ​ | ​ | 229,058 | ​ | ​ | 47,568 | ​ | ​ | 18,918 | ​ | ​ | 21,311 | ​ | ​ | 5,986 | ​ | ​ | 368,277 | ​ | ​ | 1,379 | ​ | ​ | 820,027
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Leases | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Pass | ​ | ​ | 86,364 | ​ | ​ | 138,055 | ​ | $ | 53,672 | ​ | ​ | 20,558 | ​ | ​ | 12,036 | ​ | ​ | 3,260 | ​ | ​ | - | ​ | ​ | - | ​ | ​ | 313,945
Special Mention | ​ | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | ​ | -
Substandard | ​ | ​ | - | ​ | ​ | 637 | ​ | ​ | - | ​ | ​ | - | ​ | ​ | 337 | ​ | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | ​ | 974
Total leases | ​ | ​ | 86,364 | ​ | ​ | 138,692 | ​ | ​ | 53,672 | ​ | ​ | 20,558 | ​ | ​ | 12,373 | ​ | ​ | 3,260 | ​ | ​ | - | ​ | ​ | - | ​ | ​ | 314,919
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Commercial real estate – investor | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Pass | ​ | ​ | 175,445 | ​ | ​ | 363,460 | ​ | ​ | 213,303 | ​ | ​ | 112,372 | ​ | ​ | 60,729 | ​ | ​ | 71,447 | ​ | ​ | 7,982 | ​ | ​ | - | ​ | ​ | 1,004,738
Special Mention | ​ | ​ | - | ​ | ​ | 12,885 | ​ | ​ | - | ​ | ​ | 5,409 | ​ | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | ​ | 18,294
Substandard | ​ | ​ | 351 | ​ | ​ | 17,681 | ​ | ​ | 1,947 | ​ | ​ | 5,033 | ​ | ​ | 10,597 | ​ | ​ | 9,119 | ​ | ​ | 12,313 | ​ | ​ | - | ​ | ​ | 57,041
Total commercial real estate – investor | ​ | ​ | 175,796 | ​ | ​ | 394,026 | ​ | ​ | 215,250 | ​ | ​ | 122,814 | ​ | ​ | 71,326 | ​ | ​ | 80,566 | ​ | ​ | 20,295 | ​ | ​ | - | ​ | ​ | 1,080,073
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Commercial real estate – owner occupied | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Pass | ​ | ​ | 94,424 | ​ | ​ | 145,156 | ​ | ​ | 185,929 | ​ | ​ | 83,503 | ​ | ​ | 57,794 | ​ | ​ | 111,532 | ​ | ​ | 33,885 | ​ | ​ | - | ​ | ​ | 712,223
Special Mention | ​ | ​ | - | ​ | ​ | 13,538 | ​ | ​ | 22,245 | ​ | ​ | 35,427 | ​ | ​ | 226 | ​ | ​ | 2,123 | ​ | ​ | - | ​ | ​ | - | ​ | ​ | 73,559
Substandard | ​ | ​ | - | ​ | ​ | 2,494 | ​ | ​ | 15,333 | ​ | ​ | 1,164 | ​ | ​ | 18,943 | ​ | ​ | 561 | ​ | ​ | - | ​ | ​ | - | ​ | ​ | 38,495
Total commercial real estate – owner occupied | ​ | ​ | 94,424 | ​ | ​ | 161,188 | ​ | ​ | 223,507 | ​ | ​ | 120,094 | ​ | ​ | 76,963 | ​ | ​ | 114,216 | ​ | ​ | 33,885 | ​ | ​ | - | ​ | ​ | 824,277
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Construction | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Pass | ​ | ​ | 10,078 | ​ | ​ | 73,533 | ​ | ​ | 56,855 | ​ | ​ | 25,249 | ​ | ​ | 1,865 | ​ | ​ | 1,216 | ​ | ​ | 2,144 | ​ | ​ | - | ​ | ​ | 170,940
Special Mention | ​ | ​ | 307 | ​ | ​ | 7,574 | ​ | ​ | - | ​ | ​ | 10,121 | ​ | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | ​ | 18,002
Substandard | ​ | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | ​ | 116 | ​ | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | ​ | 116
Total construction | ​ | ​ | 10,385 | ​ | ​ | 81,107 | ​ | ​ | 56,855 | ​ | ​ | 35,370 | ​ | ​ | 1,981 | ​ | ​ | 1,216 | ​ | ​ | 2,144 | ​ | ​ | - | ​ | ​ | 189,058
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Residential real estate – investor | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Pass | ​ | ​ | 2,101 | ​ | ​ | 14,624 | ​ | ​ | 9,201 | ​ | ​ | 6,702 | ​ | ​ | 8,029 | ​ | ​ | 11,616 | ​ | ​ | 1,880 | ​ | ​ | - | ​ | ​ | 54,153
Special Mention | ​ | ​ | - | ​ | ​ | - | ​ | ​ | 68 | ​ | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | ​ | 68
Substandard | ​ | ​ | - | ​ | ​ | 591 | ​ | ​ | - | ​ | ​ | - | ​ | ​ | 421 | ​ | ​ | 702 | ​ | ​ | - | ​ | ​ | - | ​ | ​ | 1,714
Total residential real estate – investor | ​ | ​ | 2,101 | ​ | ​ | 15,215 | ​ | ​ | 9,269 | ​ | ​ | 6,702 | ​ | ​ | 8,450 | ​ | ​ | 12,318 | ​ | ​ | 1,880 | ​ | ​ | - | ​ | ​ | 55,935
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Residential real estate – owner occupied | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Pass | ​ | ​ | 9,856 | ​ | ​ | 42,915 | ​ | ​ | 42,368 | ​ | ​ | 27,072 | ​ | ​ | 15,462 | ​ | ​ | 76,144 | ​ | ​ | 728 | ​ | ​ | - | ​ | ​ | 214,545
Special Mention | ​ | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | ​ | -
Substandard | ​ | ​ | - | ​ | ​ | 125 | ​ | ​ | - | ​ | ​ | 92 | ​ | ​ | 696 | ​ | ​ | 2,747 | ​ | ​ | - | ​ | ​ | - | ​ | ​ | 3,660
Total residential real estate – owner occupied | ​ | ​ | 9,856 | ​ | ​ | 43,040 | ​ | ​ | 42,368 | ​ | ​ | 27,164 | ​ | ​ | 16,158 | ​ | ​ | 78,891 | ​ | ​ | 728 | ​ | ​ | - | ​ | ​ | 218,205
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Multifamily | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Pass | ​ | ​ | 51,855 | ​ | ​ | 81,441 | ​ | ​ | 117,460 | ​ | ​ | 68,474 | ​ | ​ | 12,666 | ​ | ​ | 43,224 | ​ | ​ | 343 | ​ | ​ | - | ​ | ​ | 375,463
Special Mention | ​ | ​ | - | ​ | ​ | 373 | ​ | ​ | 3,596 | ​ | ​ | 337 | ​ | ​ | 1,675 | ​ | ​ | 549 | ​ | ​ | - | ​ | ​ | - | ​ | ​ | 6,530
Substandard | ​ | ​ | - | ​ | ​ | 924 | ​ | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | ​ | 267 | ​ | ​ | - | ​ | ​ | - | ​ | ​ | 1,191
Total multifamily | ​ | ​ | 51,855 | ​ | ​ | 82,738 | ​ | ​ | 121,056 | ​ | ​ | 68,811 | ​ | ​ | 14,341 | ​ | ​ | 44,040 | ​ | ​ | 343 | ​ | ​ | - | ​ | ​ | 383,184
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
HELOC | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Pass | ​ | ​ | 1,057 | ​ | ​ | 2,810 | ​ | ​ | 229 | ​ | ​ | 1,462 | ​ | ​ | 1,648 | ​ | ​ | 2,393 | ​ | ​ | 90,307 | ​ | ​ | - | ​ | ​ | 99,906
Special Mention | ​ | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | ​ | -
Substandard | ​ | ​ | 41 | ​ | ​ | 28 | ​ | ​ | 1 | ​ | ​ | - | ​ | ​ | - | ​ | ​ | 209 | ​ | ​ | 1,873 | ​ | ​ | - | ​ | ​ | 2,152
Total HELOC | ​ | ​ | 1,098 | ​ | ​ | 2,838 | ​ | ​ | 230 | ​ | ​ | 1,462 | ​ | ​ | 1,648 | ​ | ​ | 2,602 | ​ | ​ | 92,180 | ​ | ​ | - | ​ | ​ | 102,058
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Other | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Pass | ​ | ​ | 4,463 | ​ | ​ | 2,405 | ​ | ​ | 1,577 | ​ | ​ | 267 | ​ | ​ | 91 | ​ | ​ | 103 | ​ | ​ | 18,883 | ​ | ​ | ​ | ​ | ​ | 27,789
Special Mention | ​ | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | ​ | ​ | ​ | ​ | -
Substandard | ​ | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | ​ | ​ | ​ | ​ | -
Total other | ​ | ​ | 4,463 | ​ | ​ | 2,405 | ​ | ​ | 1,577 | ​ | ​ | 267 | ​ | ​ | 91 | ​ | ​ | 103 | ​ | ​ | 18,883 | ​ | ​ | - | ​ | ​ | 27,789
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Total loans | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Pass | ​ | ​ | 563,173 | ​ | ​ | 1,090,447 | ​ | ​ | 726,470 | ​ | ​ | 361,762 | ​ | ​ | 180,234 | ​ | ​ | 326,921 | ​ | ​ | 491,958 | ​ | ​ | 1,379 | ​ | ​ | 3,742,344
Special Mention | ​ | ​ | 307 | ​ | ​ | 34,370 | ​ | ​ | 26,169 | ​ | ​ | 51,294 | ​ | ​ | 1,944 | ​ | ​ | 2,672 | ​ | ​ | 28,837 | ​ | ​ | - | ​ | ​ | 145,593
Substandard | ​ | ​ | 392 | ​ | ​ | 25,490 | ​ | ​ | 18,713 | ​ | ​ | 9,104 | ​ | ​ | 42,464 | ​ | ​ | 13,605 | ​ | ​ | 17,820 | ​ | ​ | - | ​ | ​ | 127,588
Total loans | ​ | $ | 563,872 | ​ | $ | 1,150,307 | ​ | $ | 771,352 | ​ | $ | 422,160 | ​ | $ | 224,642 | ​ | $ | 343,198 | ​ | $ | 538,615 | ​ | $ | 1,379 | ​ | $ | 4,015,525

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18

Table of Contents

Old Second Bancorp, Inc. and Subsidiaries

Notes to Consolidated Financial Statements

(Dollar amounts in thousands, except per share data, unaudited)

Credit quality indicators by loan segment and loan origination date at December 31, 2022, were as follows:

​

​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | 2022 |  | 2021 |  | 2020 |  | 2019 |  | 2018 |  | Prior |  | Revolving Loans |  | Revolving Loans Converted To Term Loans |  | Total
Commercial | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Pass | ​ | $ | 225,056 | ​ | $ | 70,608 | ​ | $ | 21,597 | ​ | $ | 12,742 | ​ | $ | 6,957 | ​ | $ | 2,651 | ​ | $ | 447,821 | ​ | $ | - | ​ | $ | 787,432
Special Mention | ​ | ​ | 1,875 | ​ | ​ | 272 | ​ | ​ | 1,182 | ​ | ​ | 2,432 | ​ | ​ | - | ​ | ​ | - | ​ | ​ | 21,286 | ​ | ​ | - | ​ | ​ | 27,047
Substandard | ​ | ​ | 4,958 | ​ | ​ | 2,447 | ​ | ​ | 2,981 | ​ | ​ | 12,176 | ​ | ​ | 7 | ​ | ​ | - | ​ | ​ | 3,916 | ​ | ​ | - | ​ | ​ | 26,485
Total commercial | ​ | ​ | 231,889 | ​ | ​ | 73,327 | ​ | ​ | 25,760 | ​ | ​ | 27,350 | ​ | ​ | 6,964 | ​ | ​ | 2,651 | ​ | ​ | 473,023 | ​ | ​ | - | ​ | ​ | 840,964
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Leases | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Pass | ​ | ​ | 161,379 | ​ | ​ | 64,203 | ​ | $ | 26,995 | ​ | ​ | 17,653 | ​ | ​ | 4,449 | ​ | ​ | 830 | ​ | ​ | - | ​ | ​ | - | ​ | ​ | 275,509
Special Mention | ​ | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | ​ | -
Substandard | ​ | ​ | 1,606 | ​ | ​ | - | ​ | ​ | - | ​ | ​ | 270 | ​ | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | ​ | 1,876
Total leases | ​ | ​ | 162,985 | ​ | ​ | 64,203 | ​ | ​ | 26,995 | ​ | ​ | 17,923 | ​ | ​ | 4,449 | ​ | ​ | 830 | ​ | ​ | - | ​ | ​ | - | ​ | ​ | 277,385
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Commercial real estate – investor | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Pass | ​ | ​ | 416,094 | ​ | ​ | 228,686 | ​ | ​ | 118,491 | ​ | ​ | 63,845 | ​ | ​ | 46,935 | ​ | ​ | 46,406 | ​ | ​ | 7,113 | ​ | ​ | - | ​ | ​ | 927,570
Special Mention | ​ | ​ | 5,349 | ​ | ​ | 1,417 | ​ | ​ | 5,490 | ​ | ​ | 10,206 | ​ | ​ | 1,070 | ​ | ​ | 9,123 | ​ | ​ | - | ​ | ​ | - | ​ | ​ | 32,655
Substandard | ​ | ​ | 12,332 | ​ | ​ | 2,018 | ​ | ​ | - | ​ | ​ | 10,763 | ​ | ​ | - | ​ | ​ | 2,297 | ​ | ​ | - | ​ | ​ | - | ​ | ​ | 27,410
Total commercial real estate – investor | ​ | ​ | 433,775 | ​ | ​ | 232,121 | ​ | ​ | 123,981 | ​ | ​ | 84,814 | ​ | ​ | 48,005 | ​ | ​ | 57,826 | ​ | ​ | 7,113 | ​ | ​ | - | ​ | ​ | 987,635
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Commercial real estate – owner occupied | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Pass | ​ | ​ | 169,703 | ​ | ​ | 223,731 | ​ | ​ | 105,669 | ​ | ​ | 47,351 | ​ | ​ | 49,367 | ​ | ​ | 86,660 | ​ | ​ | 33,745 | ​ | ​ | - | ​ | ​ | 716,226
Special Mention | ​ | ​ | 8,430 | ​ | ​ | 22,242 | ​ | ​ | 48,184 | ​ | ​ | 17,668 | ​ | ​ | 231 | ​ | ​ | 1,008 | ​ | ​ | - | ​ | ​ | - | ​ | ​ | 97,763
Substandard | ​ | ​ | 2,546 | ​ | ​ | 17,129 | ​ | ​ | 1,191 | ​ | ​ | 16,962 | ​ | ​ | - | ​ | ​ | 3,062 | ​ | ​ | - | ​ | ​ | - | ​ | ​ | 40,890
Total commercial real estate – owner occupied | ​ | ​ | 180,679 | ​ | ​ | 263,102 | ​ | ​ | 155,044 | ​ | ​ | 81,981 | ​ | ​ | 49,598 | ​ | ​ | 90,730 | ​ | ​ | 33,745 | ​ | ​ | - | ​ | ​ | 854,879
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Construction | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Pass | ​ | ​ | 53,058 | ​ | ​ | 65,758 | ​ | ​ | 39,542 | ​ | ​ | 2,390 | ​ | ​ | 226 | ​ | ​ | 1,408 | ​ | ​ | 1,523 | ​ | ​ | - | ​ | ​ | 163,905
Special Mention | ​ | ​ | - | ​ | ​ | - | ​ | ​ | 15,297 | ​ | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | ​ | 15,297
Substandard | ​ | ​ | 1,217 | ​ | ​ | - | ​ | ​ | - | ​ | ​ | 116 | ​ | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | ​ | 1,333
Total construction | ​ | ​ | 54,275 | ​ | ​ | 65,758 | ​ | ​ | 54,839 | ​ | ​ | 2,506 | ​ | ​ | 226 | ​ | ​ | 1,408 | ​ | ​ | 1,523 | ​ | ​ | - | ​ | ​ | 180,535
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Residential real estate – investor | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Pass | ​ | ​ | 14,737 | ​ | ​ | 9,910 | ​ | ​ | 6,945 | ​ | ​ | 8,585 | ​ | ​ | 4,853 | ​ | ​ | 9,548 | ​ | ​ | 991 | ​ | ​ | - | ​ | ​ | 55,569
Special Mention | ​ | ​ | - | ​ | ​ | 70 | ​ | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | ​ | 70
Substandard | ​ | ​ | 621 | ​ | ​ | - | ​ | ​ | - | ​ | ​ | 499 | ​ | ​ | 186 | ​ | ​ | 408 | ​ | ​ | - | ​ | ​ | - | ​ | ​ | 1,714
Total residential real estate – investor | ​ | ​ | 15,358 | ​ | ​ | 9,980 | ​ | ​ | 6,945 | ​ | ​ | 9,084 | ​ | ​ | 5,039 | ​ | ​ | 9,956 | ​ | ​ | 991 | ​ | ​ | - | ​ | ​ | 57,353
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Residential real estate – owner occupied | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Pass | ​ | ​ | 41,885 | ​ | ​ | 44,884 | ​ | ​ | 28,418 | ​ | ​ | 16,146 | ​ | ​ | 12,152 | ​ | ​ | 70,741 | ​ | ​ | 1,638 | ​ | ​ | - | ​ | ​ | 215,864
Special Mention | ​ | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | ​ | -
Substandard | ​ | ​ | 131 | ​ | ​ | 267 | ​ | ​ | 237 | ​ | ​ | 723 | ​ | ​ | 131 | ​ | ​ | 2,365 | ​ | ​ | - | ​ | ​ | - | ​ | ​ | 3,854
Total residential real estate – owner occupied | ​ | ​ | 42,016 | ​ | ​ | 45,151 | ​ | ​ | 28,655 | ​ | ​ | 16,869 | ​ | ​ | 12,283 | ​ | ​ | 73,106 | ​ | ​ | 1,638 | ​ | ​ | - | ​ | ​ | 219,718
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Multifamily | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Pass | ​ | ​ | 76,877 | ​ | ​ | 126,257 | ​ | ​ | 52,262 | ​ | ​ | 13,125 | ​ | ​ | 39,703 | ​ | ​ | 6,098 | ​ | ​ | 329 | ​ | ​ | - | ​ | ​ | 314,651
Special Mention | ​ | ​ | 377 | ​ | ​ | 3,683 | ​ | ​ | 342 | ​ | ​ | 1,684 | ​ | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | ​ | 6,086
Substandard | ​ | ​ | 2,100 | ​ | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | ​ | 587 | ​ | ​ | 267 | ​ | ​ | - | ​ | ​ | - | ​ | ​ | 2,954
Total multifamily | ​ | ​ | 79,354 | ​ | ​ | 129,940 | ​ | ​ | 52,604 | ​ | ​ | 14,809 | ​ | ​ | 40,290 | ​ | ​ | 6,365 | ​ | ​ | 329 | ​ | ​ | - | ​ | ​ | 323,691
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
HELOC | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Pass | ​ | ​ | 2,760 | ​ | ​ | 517 | ​ | ​ | 1,497 | ​ | ​ | 1,703 | ​ | ​ | 657 | ​ | ​ | 2,288 | ​ | ​ | 97,258 | ​ | ​ | - | ​ | ​ | 106,680
Special Mention | ​ | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | ​ | 111 | ​ | ​ | - | ​ | ​ | 111
Substandard | ​ | ​ | 62 | ​ | ​ | 1 | ​ | ​ | - | ​ | ​ | - | ​ | ​ | 67 | ​ | ​ | 309 | ​ | ​ | 1,972 | ​ | ​ | - | ​ | ​ | 2,411
Total HELOC | ​ | ​ | 2,822 | ​ | ​ | 518 | ​ | ​ | 1,497 | ​ | ​ | 1,703 | ​ | ​ | 724 | ​ | ​ | 2,597 | ​ | ​ | 99,341 | ​ | ​ | - | ​ | ​ | 109,202
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Other | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Pass | ​ | ​ | 4,195 | ​ | ​ | 2,835 | ​ | ​ | 432 | ​ | ​ | 167 | ​ | ​ | 69 | ​ | ​ | 111 | ​ | ​ | 10,436 | ​ | ​ | - | ​ | ​ | 18,245
Special Mention | ​ | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | ​ | -
Substandard | ​ | ​ | - | ​ | ​ | - | ​ | ​ | 1 | ​ | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | ​ | 1 | ​ | ​ | - | ​ | ​ | 2
Total other | ​ | ​ | 4,195 | ​ | ​ | 2,835 | ​ | ​ | 433 | ​ | ​ | 167 | ​ | ​ | 69 | ​ | ​ | 111 | ​ | ​ | 10,437 | ​ | ​ | - | ​ | ​ | 18,247
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Total loans | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Pass | ​ | ​ | 1,165,744 | ​ | ​ | 837,389 | ​ | ​ | 401,848 | ​ | ​ | 183,707 | ​ | ​ | 165,368 | ​ | ​ | 226,741 | ​ | ​ | 600,854 | ​ | ​ | - | ​ | ​ | 3,581,651
Special Mention | ​ | ​ | 16,031 | ​ | ​ | 27,684 | ​ | ​ | 70,495 | ​ | ​ | 31,990 | ​ | ​ | 1,301 | ​ | ​ | 10,131 | ​ | ​ | 21,397 | ​ | ​ | - | ​ | ​ | 179,029
Substandard | ​ | ​ | 25,573 | ​ | ​ | 21,862 | ​ | ​ | 4,410 | ​ | ​ | 41,509 | ​ | ​ | 978 | ​ | ​ | 8,708 | ​ | ​ | 5,889 | ​ | ​ | - | ​ | ​ | 108,929
Total loans | ​ | $ | 1,207,348 | ​ | $ | 886,935 | ​ | $ | 476,753 | ​ | $ | 257,206 | ​ | $ | 167,647 | ​ | $ | 245,580 | ​ | $ | 628,140 | ​ | $ | - | ​ | $ | 3,869,609

​

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Old Second Bancorp, Inc. and Subsidiaries

Notes to Consolidated Financial Statements

(Dollar amounts in thousands, except per share data, unaudited)

The gross charge-offs activity by loan type and year of origination at June 30, 2023 were as follows:

​

​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Current period gross charge-offs |  | 2023 |  | 2022 |  | 2021 |  | 2020 |  | 2019 |  | Prior |  | Revolving Loans |  | Revolving Loans Converted To Term Loans |  | Total
Commercial | ​ | $ | - | ​ | $ | - | ​ | $ | - | ​ | $ | 364 | ​ | $ | - | ​ | $ | 43 | ​ | $ | - | ​ | $ | - | ​ | $ | 407
Leases | ​ | ​ | - | ​ | ​ | 870 | ​ | ​ | - | ​ | ​ | - | ​ | ​ | 12 | ​ | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | ​ | 882
Commercial real estate – investor | ​ | ​ | - | ​ | ​ | - | ​ | ​ | 71 | ​ | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | ​ | 71
Commercial real estate – owner occupied | ​ | ​ | - | ​ | ​ | 22 | ​ | ​ | 179 | ​ | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | ​ | 201
Construction | ​ | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | ​ | -
Residential real estate – investor | ​ | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | ​ | -
Residential real estate – owner occupied | ​ | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | ​ | -
Multifamily | ​ | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | ​ | -
HELOC | ​ | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | ​ | -
Other | ​ | ​ | - | ​ | ​ | 3 | ​ | ​ | 24 | ​ | ​ | 8 | ​ | ​ | - | ​ | ​ | 159 | ​ | ​ | - | ​ | ​ | - | ​ | ​ | 194
Total | ​ | $ | - | ​ | $ | 895 | ​ | $ | 274 | ​ | $ | 372 | ​ | $ | 12 | ​ | $ | 202 | ​ | ​ | - | ​ | ​ | - | ​ | $ | 1,755

​

The Company had $215,000 and $600,000 in residential real estate loans in the process of foreclosure as of June 30, 2023 and December 31, 2022, respectively.

​

As of January 1, 2023, the Company prospectively adopted ASU 2022-02, Topic 326 “Troubled Debt Restructuring (“TDRs”) and Vintage Disclosures”, see Note 1. Eleven loans, $32.7 million in aggregate, were modified and were experiencing financial difficulty during the six-month period ending June 30, 2023. There were two TDR loan modifications for an aggregate of $41,000 for the three months ended June 30, 2022 and three TDR loan modifications for an aggregate of $1.1 million for the six months ended June 30, 2022. TDRs were classified as being in default on a case-by-case basis when they failed to be in compliance with the modified terms. There were no financial difficulty loans modified in payment default as of June 30, 2023 and was no TDR default activity for the period ended June 30, 2022, for loans that were restructured within the prior 12-month period.

​

The following table presents the amortized costs basis of loans at June 30, 2023 that were both experiencing financial difficulty and modified during the period ended June 30, 2023 by class and by type of modification. The percentage of the amortized cost basis of loans that were modified to borrowers in financial distress as compared to amortized costs basis of each class of financing receivable is also presented below.

​

​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
June 30, 2023 | ​ | Term Extension | ​ | Combination - Term Extension and Interest Rate Reduction | ​ | Combination - Term Extension and Payment Delay | ​ | Total Loans Modified | ​ | % of Total Loan Segment Modified to Total Loan Segment
Commercial | ​ | $ | 859 | ​ | $ | 979 | ​ | $ | - | ​ | $ | 1,838 | ​ | 0.2%
Commercial real estate – investor | ​ | ​ | 12,664 | ​ | ​ | - | ​ | ​ | 1,774 | ​ | ​ | 14,438 | ​ | 1.3%
Commercial real estate – owner occupied | ​ | ​ | 16,318 | ​ | ​ | - | ​ | ​ | - | ​ | ​ | 16,318 | ​ | 2.0%
HELOC | ​ | ​ | 60 | ​ | ​ | - | ​ | ​ | - | ​ | ​ | 60 | ​ | 0.1%
Total | ​ | $ | 29,901 | ​ | $ | 979 | ​ | $ | 1,774 | ​ | $ | 32,654 | ​ | 0.8%

​

​

​

​

​

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Old Second Bancorp, Inc. and Subsidiaries

Notes to Consolidated Financial Statements

(Dollar amounts in thousands, except per share data, unaudited)

The Company closely monitors the performance of loan modifications to borrowers experiencing financial difficulty. The following table presents the performance of loans that have been modified as of June 30, 2023.

​

​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
June 30, 2023 | ​ | 30-59 days past due | ​ | 60-89 Days Past Due | ​ | 90 Days or Greater Past Due | ​ | Total Past Due | ​ | Current | ​ | Total Loan Modified
Commercial | ​ | $ | - | ​ | $ | - | ​ | $ | - | ​ | $ | - | ​ | $ | 1,838 | ​ | $ | 1,838
Commercial real estate – investor | ​ | ​ | - | ​ | ​ | - | ​ | ​ | 1,774 | ​ | ​ | 1,774 | ​ | ​ | 12,664 | ​ | ​ | 14,438
Commercial real estate – owner occupied | ​ | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | ​ | 16,318 | ​ | ​ | 16,318
HELOC | ​ | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | ​ | 60 | ​ | ​ | 60
Total | ​ | $ | - | ​ | $ | - | ​ | $ | 1,774 | ​ | $ | 1,774 | ​ | $ | 30,880 | ​ | $ | 32,654

​

​

The following table summarizes the financial effect of the loan modifications presented above to borrowers experiencing financial difficulty for the period ended June 30, 2023. The Company had one Commercial real estate – investor loan that had a payment modification, change to a single payment at maturity.

​

​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
June 30, 2023 | ​ | Weighted-Average Term Extension (In Months) | ​ | Weighted-Average Interest Rate Change | ​ | Weighted-Average Delay of Payment (In Months)
Commercial | ​ | ​ | 4.90 | ​ | ​ | 5.00 | % | ​ | ​ | -
Commercial real estate – investor | ​ | ​ | 11.50 | ​ | ​ | - | ​ | ​ | ​ | 7.00
Commercial real estate – owner occupied | ​ | ​ | 12.00 | ​ | ​ | - | ​ | ​ | ​ | -
HELOC | ​ | ​ | 24.00 | ​ | ​ | - | ​ | ​ | ​ | -
Total | ​ | ​ | 11.40 | ​ | ​ | 5.00 | % | ​ | ​ | 7.00

​

​

​

​

Note 5 – Deposits

​

Major classifications of deposits were as follows:

​

​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | June 30, 2023 |  | December 31, 2022 |
Noninterest bearing demand | ​ | $ | 1,897,694 | ​ | $ | 2,051,702 | ​
Savings | ​ | ​ | 1,050,453 | ​ | ​ | 1,145,592 | ​
NOW accounts | ​ | ​ | 586,121 | ​ | ​ | 609,338 | ​
Money market accounts | ​ | ​ | 731,459 | ​ | ​ | 862,170 | ​
Certificates of deposit of less than $100,000 | ​ | ​ | 240,848 | ​ | ​ | 244,017 | ​
Certificates of deposit of $100,000 through $250,000 | ​ | ​ | 148,070 | ​ | ​ | 157,438 | ​
Certificates of deposit of more than $250,000 | ​ | ​ | 62,937 | ​ | ​ | 40,466 | ​
Total deposits | ​ | $ | 4,717,582 | ​ | $ | 5,110,723 | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​

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Notes to Consolidated Financial Statements

(Dollar amounts in thousands, except per share data, unaudited)

​

​

Note 6 – Borrowings

​

The following table is a summary of borrowings as of June 30, 2023 and December 31, 2022. Junior subordinated debentures are discussed in more detail in Note 7.

​

​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | June 30, 2023 |  | December 31, 2022 |
Securities sold under repurchase agreements | ​ | $ | 31,532 | ​ | $ | 32,156 | ​
Other short-term borrowings | ​ | ​ | 485,000 | ​ | ​ | 90,000 | ​
Junior subordinated debentures1 | ​ | ​ | 25,773 | ​ | ​ | 25,773 | ​
Subordinated debentures | ​ | ​ | 59,339 | ​ | ​ | 59,297 | ​
Senior notes | ​ | ​ | - | ​ | ​ | 44,585 | ​
Notes payable and other borrowings | ​ | ​ | - | ​ | ​ | 9,000 | ​
Total borrowings | ​ | $ | 601,644 | ​ | $ | 260,811 | ​
1 See Note 7: Junior Subordinated Debentures | ​ | ​ | ​ | ​ | ​ | ​ | ​

​

The Company enters into deposit sweep transactions where the transaction amounts are secured by pledged securities. These transactions consistently mature overnight from the transaction date and are governed by sweep repurchase agreements. All sweep repurchase agreements are treated as financings secured by U.S. government agencies and collateralized mortgage-backed securities, and had a carrying amount of $31.5 million at June 30, 2023, and $32.2 million at December 31, 2022. The fair value of the pledged collateral was $65.0 million at June 30, 2023, and $71.4 million at December 31, 2022. At June 30, 2023, there were no customers with secured balances exceeding 10% of stockholders’ equity.

​

The Company’s borrowings at the FHLBC require the Bank to be a member and invest in the stock of the FHLBC. Total borrowings are generally limited to the lower of 35% of total assets or 60% of the book value of certain mortgage loans. As of June 30, 2023, the Bank had $485.0 million in short-term advances outstanding under the FHLBC. There were $90.0 million in short-term advances as of December 31, 2022. The Bank assumed $23.4 million of long-term FHLBC advances with our ABC Bank acquisition in 2018, which were recorded in notes payable and other borrowings. The remaining balance of $5.9 million was paid off in full during the second quarter of 2022. FHLBC stock held at June 30, 2023 was valued at $21.8 million, and any potential FHLBC advances were collateralized by loans and securities with a principal balance of $1.48 billion, which carried a FHLBC-calculated combined collateral value of $1.04 billion. The Company had excess collateral of $551.3 million available to secure borrowings at June 30, 2023.

​

In the second quarter of 2021, we issued $60.0 million in aggregate principal amount of our 3.50% Fixed-to-Floating Rate Subordinated Notes due April 15, 2031 (the “Notes”). The Notes were offered and sold to eligible purchasers in a private offering in reliance on the exemption from the registration requirements of Section 4(a)(2) of the Securities Act of 1933, as amended and the provisions of Regulation D promulgated thereunder. The Company used the net proceeds from the offering for general corporate purposes. The Notes bear interest at a fixed annual rate of 3.50%, from and including the date of issuance to but excluding April 15, 2026, payable semi-annually in arrears. From and including April 15, 2026 to, but excluding the maturity date or early redemption date, the interest rate will reset quarterly to an interest rate per annum equal to Three-Month Term SOFR (as defined by the Note) plus 273 basis points, payable quarterly in arrears. As of June 30, 2023 and December 31, 2022, we had $59.3 million of subordinated debentures outstanding, net of deferred issuance costs.

​

The Company issued senior notes in December 2016 with a ten-year maturity, and terms included interest payable semiannually at 5.75% for five years. Beginning December 31, 2021, the senior debt began to pay interest at a floating rate, with interest payable quarterly at three month LIBOR plus 385 basis points. The interest rate at June 30, 2023 and December 31, 2022 was 9.39% and 8.62%, respectively. The notes were redeemable, in whole or in part, at the option of the Company, beginning with the interest payment date on December 31, 2021, and on any floating rate interest payment date thereafter, at a redemption price equal to 100% of the principal amount of the notes plus accrued and unpaid interest. On June 30, 2023, we redeemed all of the $45.0 million senior notes. Upon redemption, the related deferred debt issuance costs of $362,000 was also recorded as interest expense, resulting in an effective cost of this debt issuance of 12.85% for the second quarter of 2023.

​

On February 24, 2020, the Company originated a $20.0 million three-year term note with a correspondent bank. The term note was issued at one-month LIBOR plus 175 basis points, and required principal payments quarterly and interest payments monthly. This note was

22

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Old Second Bancorp, Inc. and Subsidiaries

Notes to Consolidated Financial Statements

(Dollar amounts in thousands, except per share data, unaudited)

included within Notes Payable and Other Borrowings on the Consolidated Balance Sheets, and the remaining $9.0 million balance of the note was paid off on February 24, 2023. The Company also has an undrawn line of credit of $30.0 million with a correspondent bank to be used for short-term funding needs; advances under this line can be outstanding up to 360 days from the date of issuance. This line of credit has not been utilized since early 2019.

​

Note 7 – Junior Subordinated Debentures

​

The Company issued $25.0 million of cumulative trust preferred securities through a private placement completed by an unconsolidated subsidiary, Old Second Capital Trust II, in April 2007. These trust preferred securities mature in 30 years, but subject to regulatory approval, can be called in whole or in part on a quarterly basis commencing June 15, 2017. The quarterly cash distributions on the securities were fixed at 6.77% through June 15, 2017, and now have a floating rate of 150 basis points over three-month LIBOR. Upon conversion to a floating rate, a cash flow hedge was initiated which resulted in the total interest rate paid on the debt of 4.37% and 4.42% for the quarters ended June 30, 2023 and June 30, 2022, respectively. The Company issued a new $25.8 million subordinated debenture to Old Second Capital Trust II in return for the aggregate net proceeds of this trust preferred offering. The interest rate and payment frequency on the debenture are equivalent to the cash distribution basis on the trust preferred securities.

​

The junior subordinated debentures issued by the Company are disclosed on the Consolidated Balance Sheets, and the related interest expense for each issuance is included in the Consolidated Statements of Income. As of June 30, 2023 and December 31, 2022, the remaining unamortized debt issuance costs related to the junior subordinated debentures were $1,000 and are included as a reduction to the balance of the junior subordinated debentures on the Consolidated Balance Sheets. The remaining deferred issuance costs on the junior subordinated debentures related to the issuance of Old Second Capital Trust II will be amortized to interest expense over the remainder of the 30-year term of the notes and are included in the Consolidated Statements of Income.

​

Note 8 – Equity Compensation Plans

​

Stock-based awards are outstanding under the Company’s 2019 Equity Incentive Plan, as amended and restated (the “2019 Plan”). The 2019 Plan was originally approved at the May 2019 annual stockholders’ meeting and authorized 600,000 shares, and at the May 2021 annual stockholders’ meeting, the Company obtained stockholder approval to increase the number of shares of common stock authorized for issuance under the 2019 Plan by 1,200,000 shares, from 600,000 shares to 1,800,000 shares. Following the approval of the 2019 Plan, no further awards will be granted under any other prior plan.

​

The 2019 Plan authorizes the granting of qualified stock options, non-qualified stock options, restricted stock, restricted stock units, and stock appreciation rights (“SARs”). Awards may be granted to selected directors, officers, employees or eligible service providers under the 2019 Plan at the discretion of the Compensation Committee of the Company’s Board of Directors. As of June 30, 2023, 967,600 shares remained available for issuance under the 2019 Plan. The Company has granted only restricted stock units under the 2019 Equity Plan.

​

Generally, restricted stock units granted under the 2019 Plan vest three years from the grant date, but the Compensation Committee of the Company’s Board of Directors has discretionary authority to change the terms of particular awards including the vesting schedule.

​

Under the 2019 Plan, unless otherwise provided in an award agreement, upon the occurrence of a change in control, all equity awards then held by the participant will become fully exercisable immediately if, and all stock awards and cash incentive awards will become fully earned and vested immediately if, (i) the 2019 Plan is not an obligation of the successor entity following a change in control or (ii) the 2019 Plan is an obligation of the successor entity following a change in control and the participant incurs a termination of service without cause or for good reason following the change in control. Notwithstanding the immediately preceding sentence, if the vesting of an award is conditioned upon the achievement of performance measures, then such vesting will generally be subject to the following: if, at the time of the change in control, the performance measures are less than 50% attained (pro rata based upon the time of the period through the change in control), the award will become vested and exercisable on a fractional basis with the numerator being equal to the percentage of attainment and the denominator being 50%; and if, at the time of the change in control, the performance measures are at least 50% attained (pro rata based upon the time of the period through the change in control), the award will become fully earned and vested immediately upon the change in control.

​

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Notes to Consolidated Financial Statements

(Dollar amounts in thousands, except per share data, unaudited)

Awards of restricted stock units under the 2019 Plan generally entitle holders to voting and dividend rights upon grant and are subject to forfeiture until certain restrictions have lapsed including employment for a specific period. Awards of restricted stock units under the 2019 Plan are also subject to forfeiture until certain restrictions have lapsed including employment for a specific period, but do not entitle holders to voting rights until the restricted period ends and shares are transferred in connection with the units.

​

There were 238,149 and 264,589 restricted stock units issued under the 2019 Plan during the six months ended June 30, 2023 and June 30, 2022, respectively. Compensation expense is recognized over the vesting period of the restricted stock units based on the market value of the award on the issue date. Total compensation cost that has been recorded for the 2019 Plan was $1.8 million for the six months ended June 30, 2023 and $1.5 million for the six months ended June 30, 2022.

​

A summary of changes in the Company’s unvested restricted awards for the six months ended June 30, 2023, is as follows:

​

​ | ​ | ​ | ​ | ​ | ​
​ | ​ | June 30, 2023
​ | ​ | ​ | ​ | Weighted
​ | ​ | Restricted | ​ | Average
​ | ​ | Stock Shares | ​ | Grant Date
​ |  | and Units |  | Fair Value
Unvested at January 1 | ​ | 649,210 | ​ | $ | 12.84
Granted | ​ | 238,149 | ​ | ​ | 17.05
Vested | ​ | (117,674) | ​ | ​ | 12.26
Forfeited | ​ | (5,079) | ​ | ​ | 13.55
Unvested at June 30 | ​ | 764,606 | ​ | $ | 14.23
​ | ​ | ​ | ​ | ​ | ​

​

Total unrecognized compensation cost of restricted awards was $6.1 million as of June 30, 2023, which is expected to be recognized over a weighted-average period of 2.06 years.

​

Note 9 – Earnings Per Share

​

The earnings per share, both basic and diluted, are as follows:

​

​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended June 30, | ​ | Six Months Ended June 30, | ​
​ |  | 2023 |  | 2022 |  | 2023 |  | 2022 |
Basic earnings per share: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Weighted-average common shares outstanding | ​ | ​ | 44,665,127 | ​ | ​ | 44,499,395 | ​ | ​ | 44,642,250 | ​ | ​ | 44,480,326 | ​
Net income | ​ | $ | 25,562 | ​ | $ | 12,247 | ​ | $ | 49,169 | ​ | $ | 24,267 | ​
Basic earnings per share | ​ | $ | 0.57 | ​ | $ | 0.28 | ​ | $ | 1.10 | ​ | $ | 0.55 | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Diluted earnings per share: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Weighted-average common shares outstanding | ​ | ​ | 44,665,127 | ​ | ​ | 44,499,395 | ​ | ​ | 44,642,250 | ​ | ​ | 44,480,326 | ​
Dilutive effect of unvested restricted awards 1 | ​ | ​ | 759,291 | ​ | ​ | 747,341 | ​ | ​ | 728,556 | ​ | ​ | 724,134 | ​
Diluted average common shares outstanding | ​ | ​ | 45,424,418 | ​ | ​ | 45,246,736 | ​ | ​ | 45,370,806 | ​ | ​ | 45,204,460 | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Net Income | ​ | $ | 25,562 | ​ | $ | 12,247 | ​ | $ | 49,169 | ​ | $ | 24,267 | ​
Diluted earnings per share | ​ | $ | 0.56 | ​ | $ | 0.27 | ​ | $ | 1.08 | ​ | $ | 0.54 | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
1 Includes the common stock equivalents for restricted share rights that are dilutive. | ​

​

24

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Notes to Consolidated Financial Statements

(Dollar amounts in thousands, except per share data, unaudited)

​

​

Note 10 – Regulatory & Capital Matters

​

The Bank is subject to the risk-based capital regulatory guidelines, which include the methodology for calculating the risk-weighted Bank assets, developed by the Office of the Comptroller of the Currency (the “OCC”) and the other bank regulatory agencies. In connection with the current risk-based capital regulatory guidelines, the Bank’s Board of Directors has established an internal guideline requiring the Bank to maintain a Tier 1 leverage capital ratio at or above eight percent (8%) and a total risk-based capital ratio at or above twelve percent (12%). At June 30, 2023, the Bank exceeded those thresholds.

​

At June 30, 2023, the Bank’s Tier 1 capital leverage ratio was 9.70%, an increase of 38 basis points from December 31, 2022, and is above the 8.00% objective. The Bank’s total capital ratio was 12.83%, an increase of 8 basis points from December 31, 2022, and also above the objective of 12.00%.

​

Bank holding companies are generally required to maintain minimum levels of capital in accordance with capital guidelines implemented by the Board of Governors of the Federal Reserve System. The general bank and holding company capital adequacy guidelines are shown in the accompanying table, as are the capital ratios of the Company and the Bank, as of June 30, 2023 and December 31, 2022.

​

The Basel III Rules are applicable to all banking organizations that are subject to minimum capital requirements, including federal and state banks and savings and loan associations, as well as to bank and savings and loan holding companies, other than “small bank holding companies”, which are generally holding companies with consolidated assets of less than $3.0 billion. A detailed discussion of the Basel III Rules is included in Part I, Item 1 of the Company’s Form 10-K for the year ended December 31, 2022, under the heading “Supervision and Regulation.”

​

At June 30, 2023 and December 31, 2022, the Company, on a consolidated basis, exceeded the minimum thresholds to be considered “well capitalized” under current regulatory defined capital ratios.

​

25

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Notes to Consolidated Financial Statements

(Dollar amounts in thousands, except per share data, unaudited)

​

Capital levels and industry defined regulatory minimum required levels are as follows:

​

​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | Minimum Capital | ​ | Well Capitalized | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | Adequacy with Capital | ​ | Under Prompt Corrective | ​
​ | ​ | Actual | ​ | Conservation Buffer, if applicable1 | ​ | Action Provisions2 | ​
​ |  | Amount |  | Ratio |  | Amount |  | Ratio |  | Amount |  | Ratio | ​
June 30, 2023 | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Common equity tier 1 capital to risk weighted assets | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Consolidated | ​ | $ | 503,459 | ​ | 10.29 | % | ​ | $ | 342,489 | ​ | 7.00 | % | ​ | ​ | N/A | ​ | N/A | ​
Old Second Bank | ​ | ​ | 571,923 | ​ | 11.70 | ​ | ​ | ​ | 342,176 | ​ | 7.00 | ​ | ​ | $ | 317,735 | ​ | 6.50 | %
Total capital to risk weighted assets | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Consolidated | ​ | ​ | 643,871 | ​ | 13.16 | ​ | ​ | ​ | 513,727 | ​ | 10.50 | ​ | ​ | ​ | N/A | ​ | N/A | ​
Old Second Bank | ​ | ​ | 627,335 | ​ | 12.83 | ​ | ​ | ​ | 513,407 | ​ | 10.50 | ​ | ​ | ​ | 488,959 | ​ | 10.00 | ​
Tier 1 capital to risk weighted assets | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Consolidated | ​ | ​ | 528,459 | ​ | 10.80 | ​ | ​ | ​ | 415,917 | ​ | 8.50 | ​ | ​ | ​ | N/A | ​ | N/A | ​
Old Second Bank | ​ | ​ | 571,923 | ​ | 11.70 | ​ | ​ | ​ | 415,500 | ​ | 8.50 | ​ | ​ | ​ | 391,058 | ​ | 8.00 | ​
Tier 1 capital to average assets | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Consolidated | ​ | ​ | 528,459 | ​ | 8.96 | ​ | ​ | ​ | 235,919 | ​ | 4.00 | ​ | ​ | ​ | N/A | ​ | N/A | ​
Old Second Bank | ​ | ​ | 571,923 | ​ | 9.70 | ​ | ​ | ​ | 235,845 | ​ | 4.00 | ​ | ​ | ​ | 294,806 | ​ | 5.00 | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
December 31, 2022 | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Common equity tier 1 capital to risk weighted assets | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Consolidated | ​ | $ | 457,206 | ​ | 9.67 | % | ​ | $ | 330,966 | ​ | 7.00 | % | ​ | ​ | N/A | ​ | N/A | ​
Old Second Bank | ​ | ​ | 552,404 | ​ | 11.70 | ​ | ​ | ​ | 330,498 | ​ | 7.00 | ​ | ​ | $ | 306,891 | ​ | 6.50 | %
Total capital to risk weighted assets | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Consolidated | ​ | ​ | 592,039 | ​ | 12.52 | ​ | ​ | ​ | 496,518 | ​ | 10.50 | ​ | ​ | ​ | N/A | ​ | N/A | ​
Old Second Bank | ​ | ​ | 602,237 | ​ | 12.75 | ​ | ​ | ​ | 495,960 | ​ | 10.50 | ​ | ​ | ​ | 472,343 | ​ | 10.00 | ​
Tier 1 capital to risk weighted assets | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Consolidated | ​ | ​ | 482,206 | ​ | 10.20 | ​ | ​ | ​ | 401,838 | ​ | 8.50 | ​ | ​ | ​ | N/A | ​ | N/A | ​
Old Second Bank | ​ | ​ | 552,404 | ​ | 11.70 | ​ | ​ | ​ | 401,319 | ​ | 8.50 | ​ | ​ | ​ | 377,712 | ​ | 8.00 | ​
Tier 1 capital to average assets | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Consolidated | ​ | ​ | 482,206 | ​ | 8.14 | ​ | ​ | ​ | 236,956 | ​ | 4.00 | ​ | ​ | ​ | N/A | ​ | N/A | ​
Old Second Bank | ​ | ​ | 552,404 | ​ | 9.32 | ​ | ​ | ​ | 237,083 | ​ | 4.00 | ​ | ​ | ​ | 296,354 | ​ | 5.00 | ​

​

1 Amounts are shown inclusive of a capital conservation buffer of 2.50%.

2 The prompt corrective action provisions are only applicable at the Bank level. The Bank exceeded the general minimum regulatory requirements to be considered “well capitalized.”

​

As part of its response to the impact of the COVID-19 pandemic, in the first quarter of 2020, U.S. federal regulatory authorities issued an interim final rule that provided banking organizations that adopted CECL during the 2020 calendar year with the option to delay for two years the estimated impact of CECL on regulatory capital relative to regulatory capital determined under the prior incurred loss methodology, followed by a three-year transition period to phase out the aggregate amount of the capital benefit provided during the initial two-year delay (i.e., a five-year transition in total). In connection with our adoption of CECL on January 1, 2020, we elected to utilize the five-year CECL transition. As of June 30, 2023, the capital measures of the Company exclude $1.9 million, which is the modified CECL transition adjustment.

​

26

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Old Second Bancorp, Inc. and Subsidiaries

Notes to Consolidated Financial Statements

(Dollar amounts in thousands, except per share data, unaudited)

​

Dividend Restrictions

​

In addition to the above requirements, banking regulations and capital guidelines generally limit the amount of dividends that may be paid by a bank without prior regulatory approval. Under these regulations, the amount of dividends that may be paid in any calendar year is limited to the current year’s profits, combined with the retained profit of the previous two years, subject to the capital requirements described above. As of June 30, 2023, the Bank had capacity to pay dividends of $39.5 million to the Company without prior regulatory approval. Pursuant to the Basel III rules, the Bank must keep a capital conservation buffer of 2.50% above the regulatory minimum capital requirements, which must consist entirely of Common Equity Tier 1 capital in order to avoid additional limitations on capital distributions and certain other payments.

​

Note 11 – Fair Value Measurements

​

Fair value is defined as the exchange price that would be received for an asset or paid to transfer a liability (an exit price) in the principal or most advantageous market for the asset or liability in an orderly transaction between market participants on the measurement date. The fair value hierarchy established by the Company also requires an entity to maximize the use of observable inputs and minimize the use of unobservable inputs when measuring fair value. Three levels of inputs that may be used to measure fair value are:

​

Level 1: Quoted prices (unadjusted) for identical assets or liabilities in active markets that the Company has the ability to access as of the measurement date.

​

Level 2: Significant observable inputs other than Level 1 prices, such as quoted prices for similar assets or liabilities, quoted prices in markets that are not active, and other inputs that are observable or can be corroborated by observable market data.

​

Level 3: Significant unobservable inputs that reflect a company’s own view about the assumptions that market participants would use in pricing an asset or liability.

​

During the six-month period ended June 30, 2023, $14.9 million of asset-backed securities and $6.8 million of collateralized mortgage obligations were transferred to Level 2 from Level 3. There were no transfers between levels at June 30, 2022.

​

The majority of securities available-for-sale are valued by external pricing services or dealer market participants and are classified in Level 2 of the fair value hierarchy. Both market and income valuation approaches are utilized. Quarterly, the Company evaluates the methodologies used by the external pricing services or dealer market participants to develop the fair values to determine whether the results of the valuations are representative of an exit price in the Company’s principal markets and an appropriate representation of fair value. The Company uses the following methods and significant assumptions to estimate fair value:

​

| ● | Government-sponsored agency debt securities are primarily priced using available market information through processes such as benchmark spreads, market valuations of like securities, like securities groupings and matrix pricing.

| ● | Other government-sponsored agency securities, MBS and some of the actively traded real estate mortgage investment conduits and collateralized mortgage obligations are priced using available market information including benchmark yields, prepayment speeds, spreads, volatility of similar securities and trade date.

| ● | State and political subdivisions are largely grouped by characteristics (e.g., geographical data and source of revenue in trade dissemination systems). Because some securities are not traded daily and due to other grouping limitations, active market quotes are often obtained using benchmarking for like securities.

| ● | Auction rate securities are priced using market spreads, cash flows, prepayment speeds, and loss analytics. Therefore, the valuations of auction rate asset-backed securities are considered Level 2 valuations.

| ● | Asset-backed collateralized loan obligations were priced using data from a pricing matrix supported by our bond accounting service provider and are therefore considered Level 2 valuations.

| ● | Annually every security holding is priced by a pricing service independent of the regular and recurring pricing services used. The independent service provides a measurement to indicate if the price assigned by the regular service is within or outside of a reasonable range. Management reviews this report and applies judgment in adjusting calculations at year end related to securities pricing.

27

Table of Contents

Old Second Bancorp, Inc. and Subsidiaries

Notes to Consolidated Financial Statements

(Dollar amounts in thousands, except per share data, unaudited)

| ● | Residential mortgage loans available for sale in the secondary market are carried at fair market value. The fair value of loans held-for-sale is determined using quoted secondary market prices.

| ● | Lending related commitments to fund certain residential mortgage loans, e.g., residential mortgage loans with locked interest rates to be sold in the secondary market and forward commitments for the future delivery of mortgage loans to third party investors, as well as forward commitments for future delivery of MBS are considered derivatives. Fair values are estimated based on observable changes in mortgage interest rates including prices for MBS from the date of the commitment and do not typically involve significant judgments by management.

| ● | The fair value of mortgage servicing rights is based on a valuation model that calculates the present value of estimated net servicing income. The valuation model incorporates assumptions that market participants would use in estimating future net servicing income to derive the resultant value. The Company is able to compare the valuation model inputs, such as the discount rate, prepayment speeds, weighted average delinquency and foreclosure/bankruptcy rates to widely available published industry data for reasonableness.

| ● | Interest rate swap positions, both assets and liabilities, are based on valuation pricing models using an income approach reflecting readily observable market parameters such as interest rate yield curves.

| ● | The fair value of individually evaluated loans with specific allocations of the allowance for credit losses is essentially based on recent real estate appraisals or the fair value of the collateralized asset. These appraisals may utilize a single valuation approach or a combination of approaches including comparable sales and the income approach. Adjustments are made in the appraisal process by the appraisers to reflect differences between the available comparable sales and income data. Such adjustments are usually significant and typically result in a Level 3 classification of the inputs for determining fair value.

| ● | Nonrecurring adjustments to certain commercial and residential real estate properties classified as other real estate owned (“OREO”) are measured at fair value, less costs to sell. Fair values are based on third party appraisals of the property, resulting in a Level 3 classification, or an executed pending sales contract. In cases where the carrying amount exceeds the fair value, less costs to sell, an impairment loss is recognized.

​

Assets and Liabilities Measured at Fair Value on a Recurring Basis:

​

The tables below present the balance of assets and liabilities at June 30, 2023 and December 31, 2022, respectively, measured by the Company at fair value on a recurring basis:

​

​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | June 30, 2023
​ |  | Level 1 |  | Level 2 |  | Level 3 |  | Total
Assets: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Securities available-for-sale | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
U.S. Treasury | ​ | $ | 214,613 | ​ | $ | - | ​ | $ | - | ​ | $ | 214,613
U.S. government agencies | ​ | ​ | - | ​ | ​ | 55,981 | ​ | ​ | - | ​ | ​ | 55,981
U.S. government agencies mortgage-backed | ​ | ​ | - | ​ | ​ | 115,140 | ​ | ​ | - | ​ | ​ | 115,140
States and political subdivisions | ​ | ​ | - | ​ | ​ | 214,596 | ​ | ​ | 14,938 | ​ | ​ | 229,534
Corporate bonds | ​ | ​ | - | ​ | ​ | 4,882 | ​ | ​ | - | ​ | ​ | 4,882
Collateralized mortgage obligations | ​ | ​ | - | ​ | ​ | 407,495 | ​ | ​ | - | ​ | ​ | 407,495
Asset-backed securities | ​ | ​ | - | ​ | ​ | 134,319 | ​ | ​ | - | ​ | ​ | 134,319
Collateralized loan obligations | ​ | ​ | - | ​ | ​ | 173,658 | ​ | ​ | - | ​ | ​ | 173,658
Loans held-for-sale | ​ | ​ | - | ​ | ​ | 1,218 | ​ | ​ | - | ​ | ​ | 1,218
Mortgage servicing rights | ​ | ​ | - | ​ | ​ | - | ​ | ​ | 11,041 | ​ | ​ | 11,041
Interest rate swap agreements, including risk participation agreement | ​ | ​ | - | ​ | ​ | 6,560 | ​ | ​ | - | ​ | ​ | 6,560
Mortgage banking derivatives | ​ | ​ | - | ​ | ​ | 77 | ​ | ​ | - | ​ | ​ | 77
Total | ​ | $ | 214,613 | ​ | $ | 1,113,926 | ​ | $ | 25,979 | ​ | $ | 1,354,518
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Liabilities: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Interest rate swap agreements, including risk participation agreements | ​ | $ | - | ​ | $ | 13,740 | ​ | $ | - | ​ | $ | 13,740
Total | ​ | $ | - | ​ | $ | 13,740 | ​ | $ | - | ​ | $ | 13,740
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​

​

​

28

Table of Contents

Old Second Bancorp, Inc. and Subsidiaries

Notes to Consolidated Financial Statements

(Dollar amounts in thousands, except per share data, unaudited)

​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | December 31, 2022
​ |  | Level 1 |  | Level 2 |  | Level 3 |  | Total
Assets: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Securities available-for-sale | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
U.S. Treasury | ​ | $ | 212,129 | ​ | $ | - | ​ | $ | - | ​ | $ | 212,129
U.S. government agencies | ​ | ​ | - | ​ | ​ | 56,048 | ​ | ​ | - | ​ | ​ | 56,048
U.S. government agencies mortgage-backed | ​ | ​ | - | ​ | ​ | 124,990 | ​ | ​ | - | ​ | ​ | 124,990
States and political subdivisions | ​ | ​ | - | ​ | ​ | 211,899 | ​ | ​ | 14,229 | ​ | ​ | 226,128
Corporate bonds | ​ | ​ | - | ​ | ​ | 9,622 | ​ | ​ | - | ​ | ​ | 9,622
Collateralized mortgage obligations | ​ | ​ | - | ​ | ​ | 526,998 | ​ | ​ | 6,770 | ​ | ​ | 533,768
Asset-backed securities | ​ | ​ | - | ​ | ​ | 186,916 | ​ | ​ | 15,012 | ​ | ​ | 201,928
Collateralized loan obligations | ​ | ​ | - | ​ | ​ | 174,746 | ​ | ​ | - | ​ | ​ | 174,746
Loans held-for-sale | ​ | ​ | - | ​ | ​ | 491 | ​ | ​ | - | ​ | ​ | 491
Mortgage servicing rights | ​ | ​ | - | ​ | ​ | - | ​ | ​ | 11,189 | ​ | ​ | 11,189
Interest rate swap agreements | ​ | ​ | - | ​ | ​ | 6,516 | ​ | ​ | - | ​ | ​ | 6,516
Mortgage banking derivatives | ​ | ​ | - | ​ | ​ | 76 | ​ | ​ | - | ​ | ​ | 76
Total | ​ | $ | 212,129 | ​ | $ | 1,298,302 | ​ | $ | 47,200 | ​ | $ | 1,557,631
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Liabilities: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Interest rate swap agreements, including risk participation agreements | ​ | $ | - | ​ | $ | 12,265 | ​ | $ | - | ​ | $ | 12,265
Total | ​ | $ | - | ​ | $ | 12,265 | ​ | $ | - | ​ | $ | 12,265

​

The changes in Level 3 assets and liabilities measured at fair value on a recurring basis are as follows:

​

​

​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Six Months Ended June 30, 2023
​ | ​ | Securities available-for-sale | ​ | ​ | ​
​ | ​ | ​ | Collateralized | States and | ​ | Mortgage
​ | ​ | Asset-backed | Mortgage | Political | ​ | Servicing
​ |  | Securities | Obligations | Subdivisions |  | Rights
Beginning balance January 1, 2023 | ​ | $ | 15,012 | $ | 6,770 | $ | 14,229 | ​ | $ | 11,189
Transfers out of Level 3 | ​ | ​ | (14,885) | ​ | (6,764) | ​ | - | ​ | ​ | -
Total gains or losses | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Included in earnings | ​ | ​ | (11) | ​ | - | ​ | (66) | ​ | ​ | 6,155
Included in other comprehensive income | ​ | ​ | 226 | ​ | (6) | ​ | 622 | ​ | ​ | -
Purchases, issuances, sales, and settlements | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Purchases | ​ | ​ | - | ​ | - | ​ | 406 | ​ | ​ | -
Issuances | ​ | ​ | - | ​ | - | ​ | - | ​ | ​ | 281
Settlements | ​ | ​ | (342) | ​ | - | ​ | (253) | ​ | ​ | (6,584)
Ending balance June 30, 2023 | ​ | $ | - | $ | - | $ | 14,938 | ​ | $ | 11,041
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​

​

​

29

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Old Second Bancorp, Inc. and Subsidiaries

Notes to Consolidated Financial Statements

(Dollar amounts in thousands, except per share data, unaudited)

​

​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Six Months Ended June 30, 2022 | ​
​ | ​ | Securities available-for-sale | ​ | ​ | ​ | ​
​ | ​ | States and | ​ | Mortgage | ​
​ | ​ | Political | ​ | Servicing | ​
​ |  | Subdivisions |  | Rights |
Beginning balance January 1, 2022 | ​ | $ | 15,236 | ​ | $ | 7,097 | ​
Total gains or losses | ​ | ​ | ​ | ​ | ​ | ​ | ​
Included in earnings | ​ | ​ | (65) | ​ | ​ | 3,630 | ​
Included in other comprehensive income | ​ | ​ | (1,562) | ​ | ​ | - | ​
Purchases, issuances, sales, and settlements | ​ | ​ | ​ | ​ | ​ | ​ | ​
Issuances | ​ | ​ | - | ​ | ​ | 565 | ​
Settlements | ​ | ​ | (521) | ​ | ​ | (570) | ​
Ending balance June 30, 2022 | ​ | $ | 13,088 | ​ | $ | 10,722 | ​

​

​

The following table and commentary present quantitative and qualitative information about Level 3 fair value measurements as of June 30, 2023:

​

​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | Weighted
Measured at fair value | ​ | ​ | ​ | ​ | ​ | ​ | Significant Unobservable | ​ | ​ | ​ | Average
on a recurring basis: |  | Fair Value |  | Valuation Methodology |  | Inputs |  | Range of Input |  | of Inputs
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
States and political subdivisions | ​ | $ | 14,938 | ​ | Discounted Cash Flow | ​ | Discount Rate | ​ | 3.1 – 5.2% | ​ | 4.5 | %
​ | ​ | ​ | ​ | ​ | ​ | ​ | Liquidity Premium | ​ | 0.3 – 0.5% | ​ | 0.5 | %
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Mortgage servicing rights | ​ | $ | 11,041 | ​ | Discounted Cash Flow | ​ | Discount Rate | ​ | 9.0 – 11.0% | ​ | 9.0 | %
​ | ​ | ​ | ​ | ​ | ​ | ​ | Prepayment Speed | ​ | 3.0 – 22.3% | ​ | 6.3 | %
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​

​

The following table and commentary present quantitative and qualitative information about Level 3 fair value measurements as December 31, 2022:

​

​

​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | Weighted
Measured at fair value | ​ | ​ | ​ | ​ | ​ | ​ | Significant Unobservable | ​ | ​ | ​ | Average
on a recurring basis: |  | Fair Value |  | Valuation Methodology |  | Inputs |  | Range of Input |  | of Inputs
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
States and political subdivisions | ​ | $ | 14,229 | ​ | Discounted Cash Flow | ​ | Discount Rate | ​ | 2.3 – 5.8% | ​ | 4.4 | %
​ | ​ | ​ | ​ | ​ | ​ | ​ | Liquidity Premium | ​ | 0.3 – 0.5% | ​ | 0.5 | %
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Collateralized mortgage obligations | ​ | $ | 6,770 | ​ | Discounted Cash Flow | ​ | Discount Rate | ​ | 7.0 – 7.0% | ​ | 7.0 | %
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Asset-backed securities | ​ | $ | 15,012 | ​ | Discounted Cash Flow | ​ | Discount Rate | ​ | 6.2 – 6.5% | ​ | 6.3 | %
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Mortgage servicing rights | ​ | $ | 11,189 | ​ | Discounted Cash Flow | ​ | Discount Rate | ​ | 9.0 – 11.0% | ​ | 9.0 | %
​ | ​ | ​ | ​ | ​ | ​ | ​ | Prepayment Speed | ​ | 3.6 – 27.3% | ​ | 6.2 | %

​

​

Assets and Liabilities Measured at Fair Value on a Nonrecurring Basis:

​

The Company may be required, from time to time, to measure certain other assets at fair value on a nonrecurring basis in accordance with GAAP. These assets consist of individually evaluated loans and OREO. For assets measured at fair value on a nonrecurring basis at

30

Table of Contents

Old Second Bancorp, Inc. and Subsidiaries

Notes to Consolidated Financial Statements

(Dollar amounts in thousands, except per share data, unaudited)

June 30, 2023 and December 31, 2022, respectively, the following tables provide the level of valuation assumptions used to determine each valuation and the carrying value of the related assets:

​

​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | June 30, 2023
​ |  | Level 1 |  | Level 2 |  | Level 3 |  | Total
Individually evaluated loans1 | ​ | $ | - | ​ | $ | - | ​ | $ | 56,361 | ​ | $ | 56,361
Other real estate owned, net2 | ​ | ​ | - | ​ | ​ | - | ​ | ​ | 761 | ​ | ​ | 761
Total | ​ | $ | - | ​ | $ | - | ​ | $ | 57,122 | ​ | $ | 57,122

​

1 Represents carrying value and related write-downs of loans for which adjustments are substantially based on the appraised value of collateral for collateral-dependent loans, which had a carrying amount of $81.1 million and a valuation allowance of $24.7 million resulting in an increase of specific allocations within the allowance for credit losses on loans of $7.1 million for the six months ended June 30, 2023.

2 OREO is measured at fair value, less costs to sell, and had a net carrying amount of $761,000 at June 30, 2023, which is made up of the outstanding balance of $1.0 million, net of a purchase accounting adjustment of $130,000 and a valuation allowance of $114,000.

​

​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | December 31, 2022
​ |  | Level 1 |  | Level 2 |  | Level 3 |  | Total
Individually evaluated loans1 | ​ | $ | - | ​ | $ | - | ​ | $ | 47,700 | ​ | $ | 47,700
Other real estate owned, net2 | ​ | ​ | - | ​ | ​ | - | ​ | ​ | 1,561 | ​ | ​ | 1,561
Total | ​ | $ | - | ​ | $ | - | ​ | $ | 49,261 | ​ | $ | 49,261

​

1 Represents carrying value and related write-downs of loans for which adjustments are substantially based on the appraised value of collateral for collateral-dependent loans, which had a carrying amount of $65.3 million and a valuation allowance of $17.6 million resulting in an increase of specific allocations within the allowance for credit losses on loans of $12.2 million for the year December 31, 2022.

2 OREO is measured at fair value, less costs to sell, and had a net carrying amount of $1.6 million at December 31, 2022, which is made up of the outstanding balance of $2.5 million, net of a purchase accounting adjustment of $131,000 and a valuation allowance of $856,000.

​

The Company has estimated the fair values of these assets based primarily on Level 3 inputs. OREO and individually evaluated loans are generally valued using the fair value of collateral provided by third party appraisals. These valuations include assumptions related to cash flow projections, discount rates, and recent comparable sales. The numerical ranges of unobservable inputs for these valuation assumptions are not meaningful.

​

Note 12 – Fair Values of Financial Instruments

​

The estimated fair values approximate carrying amount for all items except those described in the following table. Securities available-for-sale fair values are based upon market prices or dealer quotes, and if no such information is available, on the rate and term of the security. The carrying value of FHLBC stock approximates fair value as the stock is nonmarketable and can only be sold to the FHLBC or another member institution at par. FHLBC stock is carried at cost and considered a Level 2 fair value. For June 30, 2023 and December 31, 2022, the fair values of loans are estimated on an exit price basis incorporating discounts for credit, liquidity and marketability factors. The fair value of time deposits was estimated using discounted future cash flows at current rates offered for deposits of similar remaining maturities. The fair values of borrowings were estimated based on interest rates available to the Company for debt with similar terms and remaining maturities. The fair value of off balance sheet volume was not considered material.

​

31

Table of Contents

Old Second Bancorp, Inc. and Subsidiaries

Notes to Consolidated Financial Statements

(Dollar amounts in thousands, except per share data, unaudited)

The carrying amount and estimated fair values of financial instruments were as follows:

​

​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | June 30, 2023
​ | ​ | Carrying | ​ | Fair | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | Amount |  | Value |  | Level 1 |  | Level 2 |  | Level 3
Financial assets: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Cash and due from banks | ​ | $ | 59,466 | ​ | $ | 59,466 | ​ | $ | 59,466 | ​ | $ | - | ​ | $ | -
Interest earning deposits with financial institutions | ​ | ​ | 53,144 | ​ | ​ | 53,144 | ​ | ​ | 53,144 | ​ | ​ | - | ​ | ​ | -
Securities available-for-sale | ​ | ​ | 1,335,622 | ​ | ​ | 1,335,622 | ​ | ​ | 214,613 | ​ | ​ | 1,106,071 | ​ | ​ | 14,938
FHLBC and FRBC stock | ​ | ​ | 36,730 | ​ | ​ | 36,730 | ​ | ​ | - | ​ | ​ | 36,730 | ​ | ​ | -
Loans held-for-sale | ​ | ​ | 1,218 | ​ | ​ | 1,218 | ​ | ​ | - | ​ | ​ | 1,218 | ​ | ​ | -
Net loans | ​ | ​ | 3,960,211 | ​ | ​ | 3,833,624 | ​ | ​ | - | ​ | ​ | - | ​ | ​ | 3,833,624
Mortgage servicing rights | ​ | ​ | 11,041 | ​ | ​ | 11,041 | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | 11,041
Interest rate swap agreements | ​ | ​ | 6,452 | ​ | ​ | 6,452 | ​ | ​ | - | ​ | ​ | 6,452 | ​ | ​ | -
Interest rate lock commitments and forward contracts | ​ | ​ | 77 | ​ | ​ | 77 | ​ | ​ | - | ​ | ​ | 77 | ​ | ​ | -
Interest receivable on securities and loans | ​ | ​ | 24,708 | ​ | ​ | 24,708 | ​ | ​ | - | ​ | ​ | 24,708 | ​ | ​ | -
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Financial liabilities: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Noninterest bearing deposits | ​ | $ | 1,897,694 | ​ | $ | 1,897,694 | ​ | $ | 1,897,694 | ​ | $ | - | ​ | $ | -
Interest bearing deposits | ​ | ​ | 2,819,888 | ​ | ​ | 2,805,372 | ​ | ​ | - | ​ | ​ | 2,805,372 | ​ | ​ | -
Securities sold under repurchase agreements | ​ | ​ | 31,532 | ​ | ​ | 31,532 | ​ | ​ | - | ​ | ​ | 31,532 | ​ | ​ | -
Other short-term borrowings | ​ | ​ | 485,000 | ​ | ​ | 485,000 | ​ | ​ | - | ​ | ​ | 485,000 | ​ | ​ | -
Junior subordinated debentures | ​ | ​ | 25,773 | ​ | ​ | 19,588 | ​ | ​ | - | ​ | ​ | 19,588 | ​ | ​ | -
Subordinated debentures | ​ | ​ | 59,339 | ​ | ​ | 47,339 | ​ | ​ | - | ​ | ​ | 47,339 | ​ | ​ | -
Senior notes | ​ | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | ​ | -
Note payable and other borrowings | ​ | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | ​ | - | ​ | ​ | -
Interest rate swap agreements | ​ | ​ | 13,740 | ​ | ​ | 13,740 | ​ | ​ | - | ​ | ​ | 13,740 | ​ | ​ | -
Interest payable on deposits and borrowings | ​ | ​ | 1,950 | ​ | ​ | 1,950 | ​ | ​ | - | ​ | ​ | 1,950 | ​ | ​ | -
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​

​

​

​

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Old Second Bancorp, Inc. and Subsidiaries

Notes to Consolidated Financial Statements

(Dollar amounts in thousands, except per share data, unaudited)

​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | December 31, 2022
​ | ​ | Carrying | ​ | Fair | ​ | ​ | ​ | ​ | ​ | ​
​ |  | Amount |  | Value |  | Level 1 |  | Level 2 |  | Level 3
Financial assets: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Cash and due from banks | ​ | $ | 56,632 | ​ | $ | 56,632 | ​ | $ | 56,632 | ​ | $ | - | ​ | $ | -
Interest earning deposits with financial institutions | ​ | ​ | 58,545 | ​ | ​ | 58,545 | ​ | ​ | 58,545 | ​ | ​ | - | ​ | ​ | -
Securities available-for-sale | ​ | ​ | 1,539,359 | ​ | ​ | 1,539,359 | ​ | ​ | 212,129 | ​ | ​ | 1,291,219 | ​ | ​ | 36,011
FHLBC and FRBC stock | ​ | ​ | 20,530 | ​ | ​ | 20,530 | ​ | ​ | - | ​ | ​ | 20,530 | ​ | ​ | -
Loans held-for-sale | ​ | ​ | 491 | ​ | ​ | 491 | ​ | ​ | - | ​ | ​ | 491 | ​ | ​ | -
Net loans | ​ | ​ | 3,820,129 | ​ | ​ | 3,681,387 | ​ | ​ | - | ​ | ​ | - | ​ | ​ | 3,681,387
Mortgage servicing rights | ​ | ​ | 11,189 | ​ | ​ | 11,189 | ​ | ​ | - | ​ | ​ | - | ​ | ​ | 11,189
Interest rate swap agreements | ​ | ​ | 6,391 | ​ | ​ | 6,391 | ​ | ​ | - | ​ | ​ | 6,391 | ​ | ​ | -
Interest rate lock commitments and forward contracts | ​ | ​ | 76 | ​ | ​ | 76 | ​ | ​ | - | ​ | ​ | 76 | ​ | ​ | -
Interest receivable on securities and loans | ​ | ​ | 22,661 | ​ | ​ | 22,661 | ​ | ​ | - | ​ | ​ | 22,661 | ​ | ​ | -
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Financial liabilities: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Noninterest bearing deposits | ​ | $ | 2,051,702 | ​ | $ | 2,051,702 | ​ | $ | 2,051,702 | ​ | $ | - | ​ | $ | -
Interest bearing deposits | ​ | ​ | 3,059,021 | ​ | ​ | 3,042,740 | ​ | ​ | - | ​ | ​ | 3,042,740 | ​ | ​ | -
Securities sold under repurchase agreements | ​ | ​ | 32,156 | ​ | ​ | 32,156 | ​ | ​ | - | ​ | ​ | 32,156 | ​ | ​ | -
Other short-term borrowings | ​ | ​ | 90,000 | ​ | ​ | 90,000 | ​ | ​ | - | ​ | ​ | 90,000 | ​ | ​ | -
Junior subordinated debentures | ​ | ​ | 25,773 | ​ | ​ | 21,907 | ​ | ​ | - | ​ | ​ | 21,907 | ​ | ​ | -
Subordinated debentures | ​ | ​ | 59,297 | ​ | ​ | 52,322 | ​ | ​ | - | ​ | ​ | 52,322 | ​ | ​ | -
Senior notes | ​ | ​ | 44,585 | ​ | ​ | 44,248 | ​ | ​ | 44,248 | ​ | ​ | - | ​ | ​ | -
Note payable and other borrowings | ​ | ​ | 9,000 | ​ | ​ | 8,984 | ​ | ​ | - | ​ | ​ | 8,984 | ​ | ​ | -
Interest rate swap agreements | ​ | ​ | 12,264 | ​ | ​ | 12,264 | ​ | ​ | - | ​ | ​ | 12,264 | ​ | ​ | -
Interest payable on deposits and borrowings | ​ | ​ | 1,657 | ​ | ​ | 1,657 | ​ | ​ | - | ​ | ​ | 1,657 | ​ | ​ | -
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​

​

​

Note 13 – Derivatives, Hedging Activities and Financial Instruments with Off-Balance Sheet Risk

​

Risk Management Objective of Using Derivatives

​

The Company is exposed to certain risk arising from both its business operations and economic conditions. The Company principally manages its exposures to a wide variety of business and operational risks through management of its core business activities. The Company manages economic risks, including interest rate, liquidity, and credit risk primarily by managing the amount, sources, and duration of its assets and liabilities and the use of derivative financial instruments. Specifically, the Company enters into derivative financial instruments to manage exposures that arise from business activities that result in the receipt or payment of future known and uncertain cash amounts, the value of which are determined by interest rates. The Company’s derivative financial instruments are used to manage differences in the amount, timing, and duration of the Company’s known or expected cash receipts and its known or expected cash payments principally related to the Company’s loan portfolio.

​

Cash Flow Hedges of Interest Rate Risk

​

The Company’s objectives in using interest rate derivatives are to add stability to interest income and expense and to manage its exposure to interest rate movements. To accomplish this objective, the Company primarily uses interest rate swaps as part of its interest rate risk management strategy. The aggregate fair value of the swaps are recorded in other assets or other liabilities with changes in fair value recorded in other comprehensive income, net of tax. The amount included in other comprehensive income would be reclassified to current earnings should all or a portion of the hedge no longer be considered effective. For derivatives designated and that qualify as cash flow hedges of interest rate risk, the gain or loss on the derivative is recorded in accumulated other comprehensive income and subsequently reclassified into interest income or interest expense in the same period(s) during which the hedged transaction affects earnings. Amounts

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Old Second Bancorp, Inc. and Subsidiaries

Notes to Consolidated Financial Statements

(Dollar amounts in thousands, except per share data, unaudited)

reported in accumulated other comprehensive income related to derivatives will be reclassified to interest income or expense as interest payments are received on the variable rate loan pools or paid on the Company’s fixed-rate borrowings.

​

Interest rate swaps with notional amounts totaling $300.0 million and $250.0 million as of June 30, 2023 and December 31, 2022, respectively, were designated as cash flow hedges of certain variable rate commercial and commercial real estate loan pools. Each of these hedges were executed to pay variable and receive fixed rate cash flows. Each of these hedges was determined to be effective during all periods presented and the Company expects the hedges to remain effective during the remaining terms of the swaps.

​

An interest rate swap with a notional amount of $25.8 million as of June 30, 2023 and December 31, 2022, is designated as a cash flow hedge of junior subordinated debentures and was executed to pay fixed and receive variable rate cash flows. The hedge was determined to be effective during all periods presented and the Company expects the hedge to remain effective during the remaining terms of the swap.

​

During the next twelve months, the Company estimates that an additional $6.8 million will be reclassified as an increase to interest income and an additional $688,000 will be reclassified as an increase to interest expense.

​

Non-designated Hedges

​

Derivatives not designated as hedges are not speculative and result from a service the Company provides to certain customers. The Company executes interest rate swaps with commercial banking customers to facilitate their respective risk management strategies. The notional amounts of interest rate swaps with its loan customers as of June 30, 2023 and December 31, 2022 were $106.4 million and $110.6 million, respectively. Those interest rate swaps are simultaneously hedged by offsetting derivatives that the Company executes with a third party, such that the Company minimizes its net risk exposure resulting from such transactions. As the interest rate derivatives associated with this program do not meet the strict hedge accounting requirements, changes in the fair value of both the customer derivatives and the offsetting derivatives are recognized directly in earnings.

​

At June 30, 2023 and December 31, 2022, the Company had $10.4 million and $11.2 million of cash collateral pledged with two correspondent financial institutions, respectively. The Company held $5.7 million and $5.3 million of cash pledged from one correspondent financial institution to support the interest rate swap activity during the years presented, respectively. No investment securities were required to be pledged to any correspondent financial institution during second quarter of 2023 and in the year of 2022. The Company offsets derivative assets and liabilities that are subject to a master netting arrangement.

​

The Company also grants mortgage loan interest rate lock commitments to borrowers, subject to normal loan underwriting standards. The interest rate risk associated with these loan interest rate lock commitments is managed with contracts for future deliveries of loans as well as selling forward mortgage-backed securities contracts. Loan interest rate lock commitments generally have fixed expiration dates or other termination clauses and may require payment of a fee. Since many of the commitments are expected to expire without being drawn upon, the total commitment amounts do not necessarily represent future cash requirements. The notional amount of these commitments at June 30, 2023 and December 31, 2022 were $10.0 million and $5.3 million, respectively. Commitments to originate residential mortgage loans held-for-sale and forward commitments to sell residential mortgage loans or forward MBS contracts are considered derivative instruments and changes in the fair value are recorded to mortgage banking revenue. Fair values are estimated based on observable changes in mortgage interest rates including mortgage-backed securities prices from the date of the commitment.

​

​

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Old Second Bancorp, Inc. and Subsidiaries

Notes to Consolidated Financial Statements

(Dollar amounts in thousands, except per share data, unaudited)

​

The table below presents the fair value of the Company’s derivative financial instruments as well as their classification on the Balance Sheets as of June 30, 2023 and December 31, 2022.

​

Fair Value of Derivative Instruments

​

​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | June 30, 2023
​ | No. of Trans. | ​ | Notional Amount $ | ​ | Balance Sheet Location | Fair Value $ | ​ | Balance Sheet Location | Fair Value $
Derivatives designated as hedging instruments | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Interest rate swap agreements | 5 | ​ | 325,774 | ​ | Other Assets | 2,623 | ​ | Other Liabilities | 9,911
Total derivatives designated as hedging instruments | ​ | ​ | ​ | ​ | ​ | 2,623 | ​ | ​ | 9,911
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Derivatives not designated as hedging instruments | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Interest rate swaps with commercial loan customers | 18 | ​ | 106,379 | ​ | Other Assets | 3,829 | ​ | Other Liabilities | 3,829
Interest rate lock commitments and forward contracts | 40 | ​ | 10,029 | ​ | Other Assets | 77 | ​ | Other Liabilities | -
Other contracts | 4 | ​ | 43,994 | ​ | Other Assets | 108 | ​ | Other Liabilities | -
Total derivatives not designated as hedging instruments | ​ | ​ | ​ | ​ | ​ | 4,014 | ​ | ​ | 3,829
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | December 31, 2022
​ | No. of Trans. | ​ | Notional Amount $ | ​ | Balance Sheet Location | Fair Value $ | ​ | Balance Sheet Location | Fair Value $
Derivatives designated as hedging instruments | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Interest rate swap agreements | 4 | ​ | 275,774 | ​ | Other Assets | 2,737 | ​ | Other Liabilities | 8,610
Total derivatives designated as hedging instruments | ​ | ​ | ​ | ​ | ​ | 2,737 | ​ | ​ | 8,610
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Derivatives not designated as hedging instruments | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Interest rate swaps with commercial loan customers | 21 | ​ | 110,647 | ​ | Other Assets | 3,654 | ​ | Other Liabilities | 3,654
Interest rate lock commitments and forward contracts | 28 | ​ | 5,298 | ​ | Other Assets | 76 | ​ | Other Liabilities | -
Other contracts | 4 | ​ | 43,699 | ​ | Other Assets | 125 | ​ | Other Liabilities | 1
Total derivatives not designated as hedging instruments | ​ | ​ | ​ | ​ | ​ | 3,855 | ​ | ​ | 3,655

​

Disclosure of the Effect of Fair Value and Cash Flow Hedge Accounting

​

The fair value and cash flow hedge accounting related to derivatives covered under ASC Subtopic 815-20 impacted Accumulated Other Comprehensive Income (“AOCI”) and the Income Statement. The loss recognized in AOCI on derivatives totaled $5.3 million as of June 30, 2023, and $581,000 as of June 30, 2022. The amount of the loss reclassified from AOCI to interest income on the income statement was $2.4 million for the six months ended June 30, 2023 and $16,000 for the six months ended June 30, 2022, respectively.

​

​

Credit-risk-related Contingent Features

​

For derivative transactions involving counterparties who are lending customers of the Company, the derivative credit exposure is managed through the normal credit review and monitoring process, which may include collateralization, financial covenants and/or financial guarantees of affiliated parties. Agreements with such customers require that losses associated with derivative transactions receive payment priority from any funds recovered should a customer default and ultimate disposition of collateral or guarantees occur.

​

Credit exposure to broker/dealer counterparties is managed through agreements with each derivative counterparty that require collateralization of fair value gains owed by such counterparties. Some small degree of credit exposure exists due to timing differences between when a gain may occur and the subsequent point in time that collateral is delivered to secure that gain. This is monitored by the Company and procedures are in place to minimize this exposure. Such agreements also require the Company to collateralize counterparties in circumstances wherein the fair value of the derivatives result in loss to the Company.

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Old Second Bancorp, Inc. and Subsidiaries

Notes to Consolidated Financial Statements

(Dollar amounts in thousands, except per share data, unaudited)

​

Other provisions of such agreements include the definition of certain events that may lead to the declaration of default and/or the early termination of the derivative transaction(s):

| ● | If the Company either defaults or is capable of being declared in default on any of its indebtedness (exclusive of deposit obligations), then the Company could also be declared in default on its derivative obligations.

| ● | If a merger occurs that materially changes the Company's creditworthiness in an adverse manner.

| ● | If certain specified adverse regulatory actions occur, such as the issuance of a Cease and Desist Order, or citations for actions considered Unsafe and Unsound or that may lead to the termination of deposit insurance coverage by the FDIC.

​

The Bank also issues letters of credit, which are conditional commitments that guarantee the performance of a customer to a third party. The credit risk involved and collateral obtained in issuing letters of credit are essentially the same as that involved in extending loan commitments to our customers. In addition to customer related commitments, the Company is responsible for letters of credit commitments that relate to properties held in OREO. The following table represents the Company’s contractual commitments due to letters of credit as of June 30, 2023, and December 31, 2022.

​

The following table is a summary of letter of credit commitments:

​

​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | June 30, 2023 | ​ | December 31, 2022 | ​
​ |  | Fixed |  | Variable |  | Total |  | Fixed |  | Variable |  | Total |
Letters of credit: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Borrower: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Financial standby | ​ | $ | 2,116 | ​ | $ | 16,370 | ​ | $ | 18,486 | ​ | $ | 3,514 | ​ | $ | 15,365 | ​ | $ | 18,879 | ​
Performance standby | ​ | ​ | 1,513 | ​ | ​ | 12,511 | ​ | ​ | 14,024 | ​ | ​ | 3,161 | ​ | ​ | 13,989 | ​ | ​ | 17,150 | ​
​ | ​ | ​ | 3,629 | ​ | ​ | 28,881 | ​ | ​ | 32,510 | ​ | ​ | 6,675 | ​ | ​ | 29,354 | ​ | ​ | 36,029 | ​
Non-borrower: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Performance standby | ​ | ​ | - | ​ | ​ | 67 | ​ | ​ | 67 | ​ | ​ | - | ​ | ​ | 67 | ​ | ​ | 67 | ​
Total letters of credit | ​ | $ | 3,629 | ​ | $ | 28,948 | ​ | $ | 32,577 | ​ | $ | 6,675 | ​ | $ | 29,421 | ​ | $ | 36,096 | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Unused loan commitments: | ​ | $ | 139,654 | ​ | $ | 765,693 | ​ | $ | 905,347 | ​ | $ | 139,070 | ​ | $ | 860,255 | ​ | $ | 999,325 | ​

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As of June 30, 2023, the Company evaluated current market conditions, including any impacts related to market interest rate changes and unused line of credit utilization trends during the second quarter of 2023, and based on that analysis under the CECL methodology, the Company determined credit losses related to unfunded commitments totaled $2.7 million, excluding a $372,000 purchase accounting adjustment on unfunded commitments recorded from our West Suburban acquisition, which is being accreted to interest income over the estimated life of the unused commitments. The resultant decrease in the ACL for unfunded commitments of $650,000 for the second quarter of 2023, compared to the prior quarter end, is primarily related to adjustments to historical benchmark assumptions, such as the funding rates and the period used to forecast those rates within the ACL calculation, resulting in a $427,000 reduction, as well as a $223,000 decrease by accretion to interest income of the purchase accounting adjustment. The Company will continue to assess the credit risk at least quarterly, and adjust the allowance for unfunded commitments, which is carried within other liabilities on our Consolidated Balance Sheets, as needed, with the appropriate offsetting entry to the provision for credit losses on our Consolidated Statements of Income.

​

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Item 2.Management’s Discussion and Analysis of Financial Condition and Results of Operation s

​

Overview

​

The following discussion provides additional information regarding our operations for the three and six months ended June 30, 2023, compared to the three and six months ended June 30, 2022, and our financial condition at June 30, 2023, compared to December 31, 2022. This discussion should be read in conjunction with our consolidated financial statements as well as the financial and statistical data appearing elsewhere in this report and our Form 10-K for the year ended December 31, 2022. The results of operations for the three and six months ended June 30, 2023, are not necessarily indicative of future results. Dollar amounts presented in the following tables are in thousands, except per share data, and June 30, 2023 and 2022 amounts are unaudited.

​

In this report, unless the context suggests otherwise, references to the “Company,” “we,” “us,” and “our” mean the combined business of Old Second Bancorp, Inc. and its subsidiary bank, Old Second National Bank (the “Bank”).

​

We have made, and will continue to make, various forward-looking statements with respect to financial and business matters. Comments regarding our business that are not historical facts are considered forward-looking statements that involve inherent risks and uncertainties. Actual results may differ materially from those contained in these forward-looking statements. For additional information regarding our cautionary disclosures, see the “Cautionary Note Regarding Forward-Looking Statements” on page 3 of this report.

​

Business Overview

​

The Company is a bank holding company headquartered in Aurora, Illinois. Through our wholly-owned subsidiary bank, Old Second National Bank, a national banking organization also headquartered in Aurora, Illinois, we offer a wide range of financial services through our 48 banking centers located in Cook, DeKalb, DuPage, Kane, Kendall, LaSalle and Will counties in Illinois. These banking centers offer access to a full range of traditional retail and commercial banking services including treasury management operations as well as fiduciary and wealth management services. We focus our business on establishing and maintaining relationships with our clients while maintaining a commitment to provide for the financial services needs of the communities in which we operate. We emphasize relationships with individual customers as well as small to medium-sized businesses throughout our market area. We also have extensive wealth management services, which includes a registered investment advisory platform in addition to trust administration and trust services related to personal and corporate trusts and employee benefit plan administration services.

​

Our results of operations depend generally on net interest income, which is the difference between interest income from interest-earning assets and interest expense on interest-bearing liabilities. Net interest income is affected by regulatory, economic and competitive factors that influence interest rates, loan demand and deposit flows. In addition, we are subject to interest rate risk to the degree that our interest-earning assets mature or reprice at different times, or at different speeds, than our interest-bearing liabilities. Our results of operations are also affected by non-interest income, such as service charges, wealth management fees, loan fees, gains from the sale of newly originated loans, gains or losses on investments and certain other non-interest related items. Our principal operating expenses, aside from interest expense, consist of compensation and employee benefits, occupancy costs, professional fees, data processing expenses and provision for credit losses.

We are significantly impacted by prevailing economic conditions, including federal monetary and fiscal policies, and federal regulations of financial institutions. Deposit balances are influenced by numerous factors such as competing investments, the level of income and the personal rate of savings within our market areas. Factors influencing lending activities include the demand for housing and the interest rate pricing competition from other lending institutions.

​

As of June 30, 2023, all of our capital ratios were in excess of all regulatory requirements. While we believe that we have sufficient capital to withstand an extended economic recession, our reported and regulatory capital ratios could be adversely impacted by credit losses.

​

Merger with West Suburban Bancorp, Inc.

​

On December 1, 2021, we completed our merger with West Suburban Bancorp, Inc. (“West Suburban”), the holding company for West Suburban Bank. Under the terms of the merger agreement, each share of West Suburban common stock was converted into 42.413 shares of our common stock and $271.15 in cash. Total cash and stock consideration paid was approximately $295.2 million. With the acquisition of West Suburban, we acquired 34 branches in DuPage, Kane, Kendall and Will counties in Illinois. The transaction is discussed in more detail in Note 2 to our Consolidated Financial Statements included in this report and in Note 2 of our Annual Report in Form 10-K.

​

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Table of Contents

​

Recent Banking Events

​

There were three significant bank failures in the first five months of 2023, primarily due to the failed banks’ lack of liquidity as depositors sought to withdraw their deposits. Due to rising interest rates, the failed banks were unable to sell investment securities held to meet liquidity needs without realizing substantial losses. As a result of the bank closures during 2023 and in an effort to strengthen public confidence in the banking system and protect depositors, regulators announced that any losses to the Deposit Insurance Fund to support uninsured depositors will be recovered by a special assessment on banks, as required by law, which could increase the cost of our FDIC insurance assessment. Additionally, the Federal Reserve announced the creation of a new Bank Term Funding Program in an effort to minimize the need for banks to sell securities at a loss in times of stress. We have access but have not received or requested funds from this Program and though we do have access to the Federal Reserve Discount Window we have not accessed these funds and have an unused capacity of $17.4 million at June 30, 2023. The future impact of these failures on the economy, financial institutions and their depositors, as well as any governmental regulatory responses or actions resulting from the same, is difficult to predict at this time.

​

Financial Overview

​

Net income for the second quarter of 2023 was $25.6 million, or $0.56 per diluted share, compared to $12.2 million, or $0.27 per diluted share, for the second quarter of 2022. The increase was primarily due to growth in our loan portfolio and higher loan and security yields, which resulted in growth in net interest income, partially offset by lower noninterest income primarily due to losses recognized on securities sold. Also contributing to the increase in net income in the second quarter of 2023, compared to the second quarter of 2022, were reduced acquisition costs, net of gains on branch sales, of $2.1 million incurred in the prior year like quarter, compared to $29,000 of net losses on branch sales in the second quarter of 2023. Adjusted net income, a non-GAAP financial measure that excludes merger-related costs, net of losses/(gains) on branch sales, was $25.6 million for the second quarter of 2023, compared to $23.4 million for the first quarter of 2023, and $13.8 million for the second quarter of 2022. Adjusted net income, net of losses/(gains) on branch sales, was $49.0 million for the six months ended June 30, 2023, compared to $29.7 million for the six months ended June 30, 2022. See the discussion entitled “Non-GAAP Financial Measures” on page 39, as well as the table below, which provides a reconciliation of this non-GAAP measure to the most comparable GAAP equivalents.

​

​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Quarters Ended | ​ | ​ | Six Months Ended
​ | ​ | June 30, | ​ | March 31, | ​ | June 30, | ​ | ​ | June 30,
​ |  | 2023 |  | 2023 | ​ | 2022 | ​ |  | 2023 | ​ | 2022 | ​
Net Income | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Income before income taxes (GAAP) | ​ | $ | 34,973 | ​ | $ | 32,013 | ​ | $ | 16,676 | ​ | ​ | $ | 66,986 | ​ | $ | 33,119 | ​
Pre-tax income adjustments: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Merger-related costs, net of losses/(gains) on branch sales | ​ | ​ | 29 | ​ | ​ | (306) | ​ | ​ | 2,131 | ​ | ​ | ​ | (277) | ​ | ​ | 7,466 | ​
Adjusted net income before taxes | ​ | ​ | 35,002 | ​ | ​ | 31,707 | ​ | ​ | 18,807 | ​ | ​ | ​ | 66,709 | ​ | ​ | 40,585 | ​
Taxes on adjusted net income | ​ | ​ | 9,419 | ​ | ​ | 8,326 | ​ | ​ | 4,995 | ​ | ​ | ​ | 17,745 | ​ | ​ | 10,853 | ​
Adjusted net income (non-GAAP) | ​ | $ | 25,583 | ​ | $ | 23,381 | ​ | $ | 13,812 | ​ | ​ | $ | 48,964 | ​ | $ | 29,732 | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Basic earnings per share (GAAP) | ​ | $ | 0.57 | ​ | $ | 0.53 | ​ | $ | 0.28 | ​ | ​ | $ | 1.10 | ​ | $ | 0.55 | ​
Diluted earnings per share (GAAP) | ​ | ​ | 0.56 | ​ | ​ | 0.52 | ​ | ​ | 0.27 | ​ | ​ | ​ | 1.08 | ​ | ​ | 0.54 | ​
Adjusted basic earnings per share excluding acquisition-related costs (non-GAAP) | ​ | ​ | 0.58 | ​ | ​ | 0.52 | ​ | ​ | 0.31 | ​ | ​ | ​ | 1.10 | ​ | ​ | 0.67 | ​
Adjusted diluted earnings per share excluding acquisition-related costs (non-GAAP) | ​ | ​ | 0.56 | ​ | ​ | 0.52 | ​ | ​ | 0.31 | ​ | ​ | ​ | 1.08 | ​ | ​ | 0.66 | ​

​

The following provides an overview of some of the factors impacting our financial performance for the three month period ended June 30, 2023, compared to the like period ended June 30, 2022:

​

| ● | Net interest and dividend income was $63.6 million for the second quarter of 2023, compared to $45.3 million for the second quarter of 2022. Growth in interest and dividend income in the second quarter of 2023 was primarily due to loan growth and higher yields on loans and securities, partially offset by higher funding and borrowing costs.

​

| ● | We recorded a net provision for credit losses of $2.0 million in the second quarter of 2023, driven by a $2.4 million increase in the allowance for credit losses on loans based on historical loss rate updates, loan growth, our assessment of nonperforming loan metrics and trends, and estimated future credit losses, net of a reversal of $427,000 in our allowance for unfunded commitments based on an adjustment of historical benchmark assumptions, such as funding rates and the period used to forecast those rates, within the ACL calculation. We recorded a net provision for credit loss of $550,000 in the second quarter of 2022.

​

| ● | Noninterest income was $8.2 million for the second quarter of 2023, compared to $9.2 million for the second quarter of 2022. Contributing to the decrease were security losses of $1.5 million due to strategic sales in the second quarter of 2023 compared

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|  | to security losses of $33,000 in the second quarter of 2022. These decreases were partially offset by an increase of $620,000 in mortgage banking related income and a $346,000 increase in the cash surrender value of BOLI.

​

| ● | Noninterest expense was $34.8 million for the second quarter of 2023, compared to $37.2 million for the second quarter of 2022, a decrease of $2.4 million, or 6.5%. Contributing to the decrease was a reduction in computer and data processing and net teller & bill paying expenses in the second quarter of 2023, primarily stemming from acquisition costs incurred in the second quarter of 2022 from our West Suburban acquisition in the fourth quarter of 2021. We recorded net losses on branch sales of $29,000 in the second quarter of 2023, compared to $2.1 million of acquisition-related cost, net of gains on branch sales, in the second quarter of 2022, primarily within computer and data processing, salaries and employee benefits, and other expense related to the West Suburban acquisition.

​

| ● | We had a provision for income tax expense of $9.4 million for the second quarter of 2023, compared to a provision for income tax expense of $4.4 million for the second quarter of 2022. The effective tax rate was 26.9% and 26.6%, respectively.

​

| ● | Our community-focused banking franchise experienced growth of $145.9 million in total loans in the second quarter of 2023, compared to the year ended December 31, 2022, and an increase of $390.5 million in total loans compared to the second quarter of 2022. We believe we are positioned for continued loan growth, though likely at a slower pace, as we continue to serve our customers’ needs in a competitive economic environment. We continue to seek to provide value to our customers and the communities in which we operate, by executing on growth opportunities in our local markets and developing new banking relationships, while seeking to ensure the safety and soundness of our Bank, our customers, and our employees.

​

| ● | Nonaccrual loans increased $29.3 million as of June 30, 2023, compared to December 31, 2022, primarily due to a few larger credits that moved from substandard accrual to substandard nonaccrual in the first quarter of 2023 and remain at June 30, 2023, which include two office buildings and one health care facility. Nonperforming loans as a percent of total loans was 1.5% as of June 30, 2023, compared to 0.9% as of December 31, 2022, and 1.2% as of June 30, 2022. Classified assets increased to $128.3 million as of June 30, 2023, which is $17.9 million, or 16.2% more than December 31, 2022, and $23.6 million, or 22.5%, more than June 30, 2022.

​

Critical Accounting Estimates

Our consolidated financial statements are prepared based on the application of accounting policies in accordance with generally accepted accounting principles (“GAAP”) and follow general practices within the banking industry. These policies require the reliance on estimates and assumptions, which may prove inaccurate or are subject to variations. These estimates, assumptions, and judgments are based on information available as of the date of the consolidated financial statements. Future changes in information may affect these estimates, assumptions, and judgments, which, in turn, may affect amounts reported in the consolidated financial statements. Changes in underlying factors, assumptions, or estimates could have a material impact on our future financial condition and results of operations.

Of the significant accounting policies used in the preparation of our consolidated financial statements, we have identified certain items as critical accounting policies based on the associated estimates, assumptions, judgments and complexity. See “Management’s Discussion and Analysis of Financial Condition and Results of Operations—Critical Accounting Estimates” in our Annual Report on Form 10-K for the year ended December 31, 2022. There have been no material changes to our critical accounting policies or the estimates made pursuant to those policies during the most recent quarter from those disclosed in our 2022 Annual Report in Form 10-K.

Non-GAAP Financial Measures

This report contains references to financial measures that are not defined in GAAP. Such non-GAAP financial measures include the presentation of net interest income and net interest margin on a tax equivalent (“TE”) basis, adjusted net income, adjusted basic and diluted earnings per share, our adjusted efficiency ratio, and our tangible common equity to tangible assets ratio. Management believes that the presentation of these non-GAAP financial measures (a) provides important supplemental information that contributes to a proper understanding of our operating performance, (b) enables a more complete understanding of factors and trends affecting our business, and (c) allows investors to evaluate our performance in a manner similar to management, the financial services industry, bank stock analysts, and bank regulators. Management uses non-GAAP measures as follows: in the preparation of our operating budgets, monthly financial performance reporting, and in our presentation of our performance to investors. However, we acknowledge that these non-GAAP financial measures have a number of limitations. Limitations associated with non-GAAP financial measures include the risk that persons might disagree as to the appropriateness of items comprising these measures and that different companies might calculate these measures differently. These disclosures should not be considered an alternative to our GAAP results. A reconciliation of non-GAAP financial measures to the most directly comparable GAAP financial measures is presented below or alongside the first instance where each non-GAAP financial measure is used.

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Results of Operations

​

Overview

​

Three months ended June 30, 2023 and 2022

Our income before taxes was $35.0 million in the second quarter of 2023 compared to $16.7 million in the second quarter of 2022. This increase in pretax income was primarily due to a $26.5 million increase in interest and dividend income and a $2.4 million decrease in noninterest expenses. The increase in pretax income was partially offset by an $8.2 million increase in interest expense, a $1.5 million increase in provision for credit losses, and a $988,000 decrease in noninterest income, mainly due to $1.5 million of security losses in the second quarter of 2023. Our net income was $25.6 million, or $0.56 per diluted share, for the second quarter of 2023, compared to net income of $12.2 million, or $0.27 per diluted share, for the second quarter of 2022. The Bank remains well positioned to navigate uncertain macroeconomics; we have mitigated interest rate risk, tightened expenses in a recessionary environment, and actively managed daily liquidity. Furthermore, we continue to possess strong liquidity metrics and an outsized securities portfolio for funding needs.

Net interest and dividend income was $63.6 million in the second quarter of 2023, compared to $45.3 million in the second quarter of 2022. The $18.3 million increase was primarily driven by significant growth in our loan portfolio as well as the effect of higher market interest rates on our loan and securities portfolios. Higher interest and dividend income was partially offset by an increase in interest expense in the second quarter of 2023, compared to the second quarter of 2022, primarily due to a rise in deposit interest rates, an increase in other short-term borrowing expense due to additional FHLB advances, and an increase in the rate paid on our senior notes during the second quarter of 2023, as the senior debt issuance is at LIBOR plus 385 basis points and carried an interest rate of 9.39% at June 30, 2023. As of June 30, 2023, we redeemed the $45.0 million senior debt issuance that was due in 2026, and the related deferred debt issuance costs of $362,000 were also recorded as interest expense, resulting in an effective cost of this debt issuance of 12.85% for the second quarter of 2023.

​

Six months ended June 30, 2023 and 2022

Our income before taxes was $67.0 million for the six months ended June 30, 2023 compared to $33.1 million for the six months ended June 30, 2022. This increase in pretax income was primarily due to a $53.3 million increase in interest and dividend income and a $4.7 million decrease in noninterest expenses. These changes were partially offset by a $12.2 million increase in interest expense, a $5.0 million increase in provision for credit losses, and a $7.1 million decrease in noninterest income, mainly due to $3.2 million of security losses recorded in the first six months of 2023 and a $4.2 million decrease in mortgage banking revenues. Our net income was $49.2 million, or $1.08 per diluted share, for the six months ended June 30, 2023, compared to net income of $24.3 million, or $0.54 per diluted share, for the same period of 2022.

Net interest and dividend income was $127.7 million for the six months ended June 30, 2023, compared to $86.5 million for the same period of 2022. The $41.2 million increase was primarily driven by significant growth in our loan portfolio as well as the effect of higher market interest rates on our loan and securities portfolios. Higher interest and dividend income was partially offset by an increase in interest expense in the first six months of 2023, compared to the first six months of 2022, primarily due to a rise in deposit interest rates, an increase in other short-term borrowing expense due to FHLB advances, and an increase in the rate paid on our senior notes during the first six months of 2023. The senior notes redeemed on June 30, 2023 had an effective cost of 10.95% for the six months ending June 30, 2023.

​

​

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Net Interest Income

​

Net interest income, which is our primary source of earnings, is the difference between interest income earned on interest-earning assets, such as loans and investment securities, as well as accretion income on purchased loans, and interest incurred on interest-bearing liabilities, such as deposits and borrowings. Net interest income depends upon the relative mix of interest-earning assets and interest-bearing liabilities, the ratio of interest-earning assets to total assets and of interest-bearing liabilities to total funding sources, and movements in market interest rates. Our net interest income can be significantly influenced by a variety of factors, including overall loan demand, economic conditions, credit risk, the amount of nonearning assets including nonperforming loans and OREO, the amounts of and rates at which assets and liabilities reprice, variances in prepayment of loans and securities, early withdrawal of deposits, exercise of call options on borrowings or securities, a general rise or decline in interest rates, changes in the slope of the yield-curve, and balance sheet growth or contraction.

​

Three months ended June 30, 2023 and 2022

​

The increased yield of 20 basis points on interest earning assets for the quarter ended June 30, 2023, compared to the prior linked period was driven by higher yields on loan originations than those in the previous period as well as repricing within the existing variable rate portfolios for securities available-for-sale and loans. Changes in the market interest rate environment impact earning assets at varying intervals depending on the repricing timeline of loans, as well as the securities maturity, paydown and purchase activities.

​

The year over year increase of 206 basis points on interest earning assets for the quarters ended June 30, 2023 and 2022 was driven by significant increases to benchmark interest rates as well as strong loan growth throughout the period, specifically within the commercial, leases, and commercial real estate portfolios, as these loan segments generally produce the greatest yield. The increases in benchmark interest rates impacted yields on the securities portfolio through the inverse relationship between interest rates and market value coupled with maturities and strategic sales of lower yielding assets and timely purchases of higher yielding securities, as we work to increase the weighted average yield in the portfolio.

​

Average balances of interest bearing deposit accounts have decreased steadily since the second quarter of 2022 through the second quarter of 2023, from $3.34 billion to $2.87 billion, with these decreases reflected in all deposit categories. We have continued to control the cost of funds over the periods reflected, with the rate of overall interest bearing deposits increasing to 40 basis points for the quarter ended June 30, 2023, compared to 25 basis points for the quarter ended March 31, 2023, and seven basis points for the quarter ended June 30, 2022. A 25 basis point increase in the cost of money market funds for the quarter ended June 30, 2023, compared to prior linked quarter and a 59 basis point increase compared to the prior year like quarter, were both due to select deposit account exception pricing, and drove a significant portion of the overall increase. Average rates paid on time deposits for the quarter ended June 30, 2023 also increased by 44 basis points and 83 basis points in the quarter over linked quarter and year over year quarters, respectively, primarily due to CD rate specials we offered.

​

Borrowing costs increased in the second quarter of 2023, primarily due to the increase in average short term borrowings of $201.7 million stemming from growth in average FHLB advances over the prior linked quarter, and an average increase of $402.5 million in the year over year quarters based on daily liquidity needs. Subordinated and junior subordinated debt interest expense were essentially flat over each of the periods presented. Senior notes had the most significant interest expense increase, as this issuance references three month LIBOR, and rising market interest rates as well as recognition of $362,000 of deferred debt issuance costs upon redemption resulted in a 381 basis point increase to 12.85% for the quarter ended June 30, 2023, from 9.04% for the quarter ended March 31, 2023, and a 764 basis point increase from 5.21% for the quarter ended June 30, 2022. On June 30, 2023 we redeemed the $45.0 million senior notes, net of deferred issuance costs, which were originally due in 2026. In February 2023, we paid off the remaining balance of $9.0 million on the original $20.0 million term note issued in 2020, resulting in notes payable and other borrowings having no balance after that time.

​

Our net interest margin (GAAP) decreased eleven basis points to 4.61% for the second quarter of 2023, compared to 4.72% for the first quarter of 2023, but increased 145 basis points compared to 3.16% for the second quarter of 2022. Our net interest margin (TE) decreased 10 basis points to 4.64% for the second quarter of 2023, compared to 4.74% for the first quarter of 2023, but increased 146 basis points compared to 3.18% for the second quarter of 2022. The decrease in the current quarter, compared to the prior linked quarter, is primarily due to increases in interest expense from FHLB advances and redemption of the senior notes. The increase in the current quarter, compared to the prior year like quarter, is primarily due to an increase in market interest rates, and the related rate resets on loans and securities during the past year, as well as continuing loan growth relative to a more modest increase in costs of interest bearing liabilities. See the discussion entitled “Non-GAAP Presentations” and the table on page 45 that provide a reconciliation of each non-GAAP measure to the most comparable GAAP equivalent.

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​

Six months ended June 30, 2023 and 2022

​

The year over year increase of 211 basis points on interest earning assets was driven by significant increases to benchmark interest rates as well as strong loan growth throughout the period specifically within the leases, commercial real estate-investor and multi-family portfolios. The increases in benchmark interest rates impacted yields on the securities portfolio through the inverse relationship between interest rates and market value coupled with maturities and strategic sales of lower yielding assets and timely purchase of higher yielding securities as we work to increase the weighted average yield in the portfolio. Average securities available-for-sale decreased $346.1 million for the six months ended June 30, 2023, compared to the six months ended June 30, 2022, due to paydowns, changes in market value, and strategic sales. Due to market interest rate increases year over year, securities available-for-sale interest income was $24.1 million for the six months ended June 30, 2023, compared to $15.3 million for the like 2022 period. Average loans, including loans held for sale, increased $529.7 million in the six months ended June 30, 2023, compared to the six months ended June 30, 2022, primarily driven by the growth in commercial, leases, commercial real estate-investor, and multi-family portfolios. Growth in the loan portfolio, as well as the rising interest rate environment, resulted in $118.8 million of loan interest income in the six months ended June 30, 2023, compared to $74.7 million in the like 2022 period.

​

Average balances of interest bearing deposit accounts have decreased steadily since June 30, 2022 through the six months ended June 30, 2023 from $3.37 billion to $2.93 billion, with these decreases reflected in all categories. We have continued to control the cost of funds over the periods reflected, with the rate of overall interest bearing deposits increasing by 24 basis points to 32 basis points from eight basis points as of June 30, 2022. A 46 basis point increase in the cost of money market funds as of June 30, 2023, compared to June 30, 2022, was due to select deposit account exception pricing and drove a significant portion of the overall increase. Interest expense paid on time deposits also contributed to the growth in cost of deposits year over year, as the cost of average time deposits increased 61 basis points to 84 basis points for the six months ended June 30, 2023, compared to 23 basis points for the six months ended June 30, 2022, primarily due to CD rate specials we offered.

​

Borrowing costs increased in the six months ended June 30, 2023 primarily due to the increase in short term borrowings stemming from average FHLB advance growth of $302.2 million since the six months ended June 30, 2022 based on daily liquidity needs. Subordinated and junior subordinated debt interest expense remained flat over the periods presented. Senior notes interest expense had the most significant interest expense increase, as this issuance references three month LIBOR, and rising market interest rates resulted in a 613 basis point increase to 10.95%, from 4.82% for the six months ended June 30, 2022. Also contributing to the significant basis point increase on senior notes was the $362,000 in deferred issuance costs that were recognized as interest expense due to the early redemption of the debt on June 30, 2023. In the first quarter of 2023, we paid off the remaining balance of $9.0 million on the original $20.0 million term note issued in 2020, recorded within notes payable and other borrowings.

​

Our net interest margin (GAAP) increased 166 basis points to 4.66% for the six months ended June 30, 2023, compared to 3.00% for the six months ended June 30, 2022. Our net interest margin (TE) increased 166 basis points to 4.69% for the six months ended June 30, 2023, compared to 3.03% for the six months ended June 30, 2022. The increase in the current period, compared to the prior year like period, is primarily due to an increase in market interest rates, and the related rate resets on loans and securities during the past year, as well as continuing loan growth relative to a more modest increase in the cost of interest bearing liabilities.

​

We continue to observe competitive pressure to maintain reduced interest rates on loans retained at renewal. While our loan prices are targeted to achieve certain returns on equity, significant competition for commercial and industrial loans as well as commercial real estate loans has put pressure on loan yields, and our stringent underwriting standards limit our ability to make higher-yielding loans.

​

The following tables set forth certain information relating to our average consolidated balance sheets and reflect the yield on average earning assets and cost of average interest bearing liabilities for the periods indicated. These yields reflect the related interest, on an annualized basis, divided by the average balance of assets or liabilities over the applicable period. Average balances are derived from daily balances. For purposes of discussion, net interest income and net interest income to total earning assets in the following tables have been adjusted to a non-GAAP TE basis using a marginal rate of 21% in 2023 and 2022 to compare returns more appropriately on tax-exempt loans and securities to other earning assets.

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​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Analysis of Average Balances,
Tax Equivalent Income / Expense and Rates
(Dollars in thousands - unaudited)
​
​ | ​ | Quarters Ended
​ | ​ | June 30, 2023 | ​ | March 31, 2023 | ​ | June 30, 2022
​ | ​ | Average | ​ | Income / | ​ | Rate | ​ | Average | ​ | Income / | ​ | Rate | ​ | Average | ​ | Income / | ​ | Rate
​ | ​ | Balance | ​ | Expense | ​ | % | ​ | Balance | ​ | Expense | ​ | % | ​ | Balance | ​ | Expense | ​ | %
Assets | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Interest earning deposits with financial institutions | ​ | $ | 50,309 | ​ | $ | 643 | ​ | 5.13 | ​ | $ | 49,310 | ​ | $ | 585 | ​ | 4.81 | ​ | $ | 426,820 | ​ | $ | 782 | ​ | 0.73
Securities: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Taxable | ​ | ​ | 1,231,994 | ​ | ​ | 9,930 | ​ | 3.23 | ​ | ​ | 1,330,295 | ​ | ​ | 10,735 | ​ | 3.27 | ​ | ​ | 1,610,713 | ​ | ​ | 6,786 | ​ | 1.69
Non-taxable (TE)1 | ​ | ​ | 172,670 | ​ | ​ | 1,692 | ​ | 3.93 | ​ | ​ | 173,324 | ​ | ​ | 1,693 | ​ | 3.96 | ​ | ​ | 181,386 | ​ | ​ | 1,642 | ​ | 3.63
Total securities (TE)1 | ​ | ​ | 1,404,664 | ​ | ​ | 11,622 | ​ | 3.32 | ​ | ​ | 1,503,619 | ​ | ​ | 12,428 | ​ | 3.35 | ​ | ​ | 1,792,099 | ​ | ​ | 8,428 | ​ | 1.89
FHLBC and FRBC Stock | ​ | ​ | 34,029 | ​ | ​ | 396 | ​ | 4.67 | ​ | ​ | 24,905 | ​ | ​ | 280 | ​ | 4.56 | ​ | ​ | 20,994 | ​ | ​ | 263 | ​ | 5.02
Loans and loans held-for-sale1, 2 | ​ | ​ | 4,040,202 | ​ | ​ | 61,591 | ​ | 6.11 | ​ | ​ | 3,932,492 | ​ | ​ | 57,228 | ​ | 5.90 | ​ | ​ | 3,508,856 | ​ | ​ | 38,267 | ​ | 4.37
Total interest earning assets | ​ | ​ | 5,529,204 | ​ | ​ | 74,252 | ​ | 5.39 | ​ | ​ | 5,510,326 | ​ | ​ | 70,521 | ​ | 5.19 | ​ | ​ | 5,748,769 | ​ | ​ | 47,740 | ​ | 3.33
Cash and due from banks | ​ | ​ | 56,191 | ​ | ​ | - | ​ | - | ​ | ​ | 55,140 | ​ | ​ | - | ​ | - | ​ | ​ | 53,371 | ​ | ​ | - | ​ | -
Allowance for credit losses on loans | ​ | ​ | (53,480) | ​ | ​ | - | ​ | - | ​ | ​ | (49,398) | ​ | ​ | - | ​ | - | ​ | ​ | (44,354) | ​ | ​ | - | ​ | -
Other noninterest bearing assets | ​ | ​ | 379,576 | ​ | ​ | - | ​ | - | ​ | ​ | 382,579 | ​ | ​ | - | ​ | - | ​ | ​ | 374,309 | ​ | ​ | - | ​ | -
Total assets | ​ | $ | 5,911,491 | ​ | ​ | ​ | ​ | ​ | ​ | $ | 5,898,647 | ​ | ​ | ​ | ​ | ​ | ​ | $ | 6,132,095 | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Liabilities and Stockholders' Equity | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
NOW accounts | ​ | $ | 600,957 | ​ | $ | 312 | ​ | 0.21 | ​ | $ | 601,030 | ​ | $ | 242 | ​ | 0.16 | ​ | $ | 604,937 | ​ | $ | 102 | ​ | 0.07
Money market accounts | ​ | ​ | 762,967 | ​ | ​ | 1,245 | ​ | 0.65 | ​ | ​ | 833,823 | ​ | ​ | 828 | ​ | 0.40 | ​ | ​ | 1,054,552 | ​ | ​ | 155 | ​ | 0.06
Savings accounts | ​ | ​ | 1,073,172 | ​ | ​ | 185 | ​ | 0.07 | ​ | ​ | 1,126,040 | ​ | ​ | 79 | ​ | 0.03 | ​ | ​ | 1,213,133 | ​ | ​ | 90 | ​ | 0.03
Time deposits | ​ | ​ | 436,524 | ​ | ​ | 1,156 | ​ | 1.06 | ​ | ​ | 434,655 | ​ | ​ | 664 | ​ | 0.62 | ​ | ​ | 469,009 | ​ | ​ | 265 | ​ | 0.23
Interest bearing deposits | ​ | ​ | 2,873,620 | ​ | ​ | 2,898 | ​ | 0.40 | ​ | ​ | 2,995,548 | ​ | ​ | 1,813 | ​ | 0.25 | ​ | ​ | 3,341,631 | ​ | ​ | 612 | ​ | 0.07
Securities sold under repurchase agreements | ​ | ​ | 25,575 | ​ | ​ | 7 | ​ | 0.11 | ​ | ​ | 31,080 | ​ | ​ | 9 | ​ | 0.12 | ​ | ​ | 34,496 | ​ | ​ | 9 | ​ | 0.10
Other short-term borrowings | ​ | ​ | 402,527 | ​ | ​ | 5,160 | ​ | 5.14 | ​ | ​ | 200,833 | ​ | ​ | 2,345 | ​ | 4.74 | ​ | ​ | - | ​ | ​ | - | ​ | -
Junior subordinated debentures | ​ | ​ | 25,773 | ​ | ​ | 281 | ​ | 4.37 | ​ | ​ | 25,773 | ​ | ​ | 279 | ​ | 4.39 | ​ | ​ | 25,773 | ​ | ​ | 284 | ​ | 4.42
Subordinated debentures | ​ | ​ | 59,329 | ​ | ​ | 546 | ​ | 3.69 | ​ | ​ | 59,308 | ​ | ​ | 546 | ​ | 3.73 | ​ | ​ | 59,244 | ​ | ​ | 547 | ​ | 3.70
Senior notes | ​ | ​ | 44,134 | ​ | ​ | 1,414 | ​ | 12.85 | ​ | ​ | 44,599 | ​ | ​ | 994 | ​ | 9.04 | ​ | ​ | 44,520 | ​ | ​ | 578 | ​ | 5.21
Notes payable and other borrowings | ​ | ​ | - | ​ | ​ | - | ​ | - | ​ | ​ | 5,400 | ​ | ​ | 87 | ​ | 6.53 | ​ | ​ | 13,103 | ​ | ​ | 95 | ​ | 2.91
Total interest bearing liabilities | ​ | ​ | 3,430,958 | ​ | ​ | 10,306 | ​ | 1.20 | ​ | ​ | 3,362,541 | ​ | ​ | 6,073 | ​ | 0.73 | ​ | ​ | 3,518,767 | ​ | ​ | 2,125 | ​ | 0.24
Noninterest bearing deposits | ​ | ​ | 1,920,448 | ​ | ​ | - | ​ | - | ​ | ​ | 2,002,801 | ​ | ​ | - | ​ | - | ​ | ​ | 2,119,667 | ​ | ​ | - | ​ | -
Other liabilities | ​ | ​ | 48,434 | ​ | ​ | - | ​ | - | ​ | ​ | 51,279 | ​ | ​ | - | ​ | - | ​ | ​ | 32,636 | ​ | ​ | - | ​ | -
Stockholders' equity | ​ | ​ | 511,651 | ​ | ​ | - | ​ | - | ​ | ​ | 482,026 | ​ | ​ | - | ​ | - | ​ | ​ | 461,025 | ​ | ​ | - | ​ | -
Total liabilities and stockholders' equity | ​ | $ | 5,911,491 | ​ | ​ | ​ | ​ | ​ | ​ | $ | 5,898,647 | ​ | ​ | ​ | ​ | ​ | ​ | $ | 6,132,095 | ​ | ​ | ​ | ​ | ​
Net interest income (GAAP) | ​ | ​ | ​ | ​ | $ | 63,580 | ​ | ​ | ​ | ​ | ​ | ​ | $ | 64,086 | ​ | ​ | ​ | ​ | ​ | ​ | $ | 45,264 | ​ | ​
Net interest margin (GAAP) | ​ | ​ | ​ | ​ | ​ | ​ | ​ | 4.61 | ​ | ​ | ​ | ​ | ​ | ​ | ​ | 4.72 | ​ | ​ | ​ | ​ | ​ | ​ | ​ | 3.16
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Net interest income (TE)1 | ​ | ​ | ​ | ​ | $ | 63,946 | ​ | ​ | ​ | ​ | ​ | ​ | $ | 64,448 | ​ | ​ | ​ | ​ | ​ | ​ | $ | 45,615 | ​ | ​
Net interest margin (TE)1 | ​ | ​ | ​ | ​ | ​ | ​ | ​ | 4.64 | ​ | ​ | ​ | ​ | ​ | ​ | ​ | 4.74 | ​ | ​ | ​ | ​ | ​ | ​ | ​ | 3.18
Interest bearing liabilities to earning assets | ​ | ​ | 62.05 | % | ​ | ​ | ​ | ​ | ​ | ​ | 61.02 | % | ​ | ​ | ​ | ​ | ​ | ​ | 61.21 | % | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​

​

1Represents a non-GAAP financial measure. See the discussion entitled “Reconciliation of Tax-Equivalent Non-GAAP Financial Measures” below that provides a reconciliation of each non-GAAP measure to the most comparable GAAP equivalent. Tax equivalent basis is calculated using a marginal tax rate of 21% in 2023 and 2022.

​

2 Interest income from loans is shown on a tax equivalent basis, which is a non-GAAP financial measure, as discussed in the table on page 45, and includes loan fee expense of $242,000 for the second quarter of 2023, $730,000 for the first quarter of 2023, and $588,000 for the second quarter of 2022. Nonaccrual loans are included in the above-stated average balances.

​

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​

​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Analysis of Average Balances,
Tax Equivalent Income / Expense and Rates
(Dollars in thousands - unaudited)
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | Six Months Ended June 30,
​ | 2023 | ​ | 2022
​ | Average | ​ | Income / | ​ | Rate | ​ | Average | ​ | Income / | ​ | Rate
​ | Balance | ​ | Expense | ​ | % | ​ | Balance | ​ | Expense | ​ | %
Assets | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Interest earning deposits with financial institutions | $ | 49,812 | ​ | $ | 1,228 | ​ | 4.97 | ​ | $ | 530,485 | ​ | $ | 1,051 | ​ | 0.40
Securities: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Taxable | ​ | 1,280,873 | ​ | ​ | 20,665 | ​ | 3.25 | ​ | ​ | 1,611,669 | ​ | ​ | 11,954 | ​ | 1.50
Non-taxable (TE)1 | ​ | 172,995 | ​ | ​ | 3,385 | ​ | 3.95 | ​ | ​ | 188,275 | ​ | ​ | 3,310 | ​ | 3.55
Total securities (TE)1 | ​ | 1,453,868 | ​ | ​ | 24,050 | ​ | 3.34 | ​ | ​ | 1,799,944 | ​ | ​ | 15,264 | ​ | 1.71
Dividends from FHLBC and FRBC | ​ | 29,492 | ​ | ​ | 676 | ​ | 4.62 | ​ | ​ | 18,543 | ​ | ​ | 416 | ​ | 4.52
Loans and loans held-for-sale 1 , 2 | ​ | 3,986,644 | ​ | ​ | 118,819 | ​ | 6.01 | ​ | ​ | 3,456,984 | ​ | ​ | 74,695 | ​ | 4.36
Total interest earning assets | ​ | 5,519,816 | ​ | ​ | 144,773 | ​ | 5.29 | ​ | ​ | 5,805,956 | ​ | ​ | 91,426 | ​ | 3.18
Cash and due from banks | ​ | 55,668 | ​ | ​ | - | ​ | - | ​ | ​ | 48,200 | ​ | ​ | - | ​ | -
Allowance for credit losses on loans | ​ | (51,450) | ​ | ​ | - | ​ | - | ​ | ​ | (44,348) | ​ | ​ | - | ​ | -
Other noninterest bearing assets | ​ | 381,070 | ​ | ​ | - | ​ | - | ​ | ​ | 372,657 | ​ | ​ | - | ​ | -
Total assets | $ | 5,905,104 | ​ | ​ | ​ | ​ | ​ | ​ | $ | 6,182,465 | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Liabilities and Stockholders' Equity | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
NOW accounts | $ | 600,993 | ​ | $ | 555 | ​ | 0.19 | ​ | $ | 602,225 | ​ | $ | 191 | ​ | 0.06
Money market accounts | ​ | 798,199 | ​ | ​ | 2,073 | ​ | 0.52 | ​ | ​ | 1,076,624 | ​ | ​ | 325 | ​ | 0.06
Savings accounts | ​ | 1,099,460 | ​ | ​ | 263 | ​ | 0.05 | ​ | ​ | 1,207,137 | ​ | ​ | 228 | ​ | 0.04
Time deposits | ​ | 435,595 | ​ | ​ | 1,820 | ​ | 0.84 | ​ | ​ | 482,157 | ​ | ​ | 542 | ​ | 0.23
Interest bearing deposits | ​ | 2,934,247 | ​ | ​ | 4,711 | ​ | 0.32 | ​ | ​ | 3,368,143 | ​ | ​ | 1,286 | ​ | 0.08
Securities sold under repurchase agreements | ​ | 28,312 | ​ | ​ | 16 | ​ | 0.11 | ​ | ​ | 36,837 | ​ | ​ | 20 | ​ | 0.11
Other short-term borrowings | ​ | 302,238 | ​ | ​ | 7,505 | ​ | 5.01 | ​ | ​ | - | ​ | ​ | - | ​ | -
Junior subordinated debentures | ​ | 25,773 | ​ | ​ | 560 | ​ | 4.38 | ​ | ​ | 25,773 | ​ | ​ | 564 | ​ | 4.41
Subordinated debentures | ​ | 59,318 | ​ | ​ | 1,092 | ​ | 3.71 | ​ | ​ | 59,233 | ​ | ​ | 1,093 | ​ | 3.72
Senior note | ​ | 44,365 | ​ | ​ | 2,408 | ​ | 10.95 | ​ | ​ | 44,507 | ​ | ​ | 1,063 | ​ | 4.82
Notes payable and other borrowings | ​ | 2,685 | ​ | ​ | 87 | ​ | 6.53 | ​ | ​ | 16,040 | ​ | ​ | 198 | ​ | 2.49
Total interest bearing liabilities | ​ | 3,396,938 | ​ | ​ | 16,379 | ​ | 0.97 | ​ | ​ | 3,550,533 | ​ | ​ | 4,224 | ​ | 0.24
Noninterest bearing deposits | ​ | 1,961,397 | ​ | ​ | - | ​ | - | ​ | ​ | 2,106,553 | ​ | ​ | - | ​ | -
Other liabilities | ​ | 49,849 | ​ | ​ | - | ​ | - | ​ | ​ | 46,648 | ​ | ​ | - | ​ | -
Stockholders' equity | ​ | 496,920 | ​ | ​ | - | ​ | - | ​ | ​ | 478,731 | ​ | ​ | - | ​ | -
Total liabilities and stockholders' equity | $ | 5,905,104 | ​ | ​ | ​ | ​ | ​ | ​ | $ | 6,182,465 | ​ | ​ | ​ | ​ | ​
Net interest income (GAAP) | ​ | ​ | ​ | $ | 127,666 | ​ | ​ | ​ | ​ | ​ | ​ | $ | 86,496 | ​ | ​
Net interest margin (GAAP) | ​ | ​ | ​ | ​ | ​ | ​ | 4.66 | ​ | ​ | ​ | ​ | ​ | ​ | ​ | 3.00
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Net interest income (TE)1 | ​ | ​ | ​ | $ | 128,394 | ​ | ​ | ​ | ​ | ​ | ​ | $ | 87,202 | ​ | ​
Net interest margin (TE)1 | ​ | ​ | ​ | ​ | ​ | ​ | 4.69 | ​ | ​ | ​ | ​ | ​ | ​ | ​ | 3.03
Interest bearing liabilities to earning assets | ​ | 61.54 | % | ​ | ​ | ​ | ​ | ​ | ​ | 61.15 | % | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​

​

1Represents a non-GAAP financial measure. See the discussion entitled “Reconciliation of Tax-Equivalent Non-GAAP Financial Measures” below that provides a reconciliation of each non-GAAP measure to the most comparable GAAP equivalent. Tax equivalent basis is calculated using a marginal tax rate of 21% in 2023 and 2022.

​

2 Interest income from loans is shown on a tax equivalent basis, which is a non-GAAP financial measure, as discussed in the table on page 45, and includes fee expense of $972,000 and $1.3 million for the six months ended June 30, 2023 and 2022, respectively. Nonaccrual loans are included in the above-stated average balances.

​

​

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​

Reconciliation of Tax-Equivalent Non-GAAP Financial Measures

​

Net interest and dividend income (TE) and net interest income (TE) to average interest earning assets are non-GAAP measures that have been adjusted on a TE basis using a marginal rate of 21% for 2023 and 2022 to compare returns more appropriately on tax-exempt loans and securities to other earning assets. The table below provides a reconciliation of each non-GAAP (TE) measure to the GAAP equivalent for the periods indicated:

​

​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended | ​ | ​ | Six Months Ended | ​
​ | ​ | June 30, | ​ | March 31, | ​ | June 30, | ​ | ​ | June 30, | ​
Net Interest Margin |  | 2023 |  | 2023 | ​ | 2022 | ​ |  | 2023 | ​ | 2022 | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Interest income (GAAP) | ​ | $ | 73,886 | ​ | $ | 70,159 | ​ | $ | 47,389 | ​ | ​ | $ | 144,045 | ​ | $ | 90,720 | ​
Taxable-equivalent adjustment: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Loans | ​ | ​ | 11 | ​ | ​ | 6 | ​ | ​ | 6 | ​ | ​ | ​ | 17 | ​ | ​ | 11 | ​
Securities | ​ | ​ | 355 | ​ | ​ | 356 | ​ | ​ | 345 | ​ | ​ | ​ | 711 | ​ | ​ | 695 | ​
Interest and dividend income (TE) | ​ | ​ | 74,252 | ​ | ​ | 70,521 | ​ | ​ | 47,740 | ​ | ​ | ​ | 144,773 | ​ | ​ | 91,426 | ​
Interest expense (GAAP) | ​ | ​ | 10,306 | ​ | ​ | 6,073 | ​ | ​ | 2,125 | ​ | ​ | ​ | 16,379 | ​ | ​ | 4,224 | ​
Net interest income (TE) | ​ | $ | 63,946 | ​ | $ | 64,448 | ​ | $ | 45,615 | ​ | ​ | $ | 128,394 | ​ | $ | 87,202 | ​
Net interest income (GAAP) | ​ | $ | 63,580 | ​ | $ | 64,086 | ​ | $ | 45,264 | ​ | ​ | $ | 127,666 | ​ | $ | 86,496 | ​
Average interest earning assets | ​ | $ | 5,529,204 | ​ | $ | 5,510,326 | ​ | $ | 5,748,769 | ​ | ​ | $ | 5,519,816 | ​ | $ | 5,805,956 | ​
Net interest margin (GAAP) | ​ | ​ | 4.61 | % | ​ | 4.72 | % | ​ | 3.16 | % | ​ | ​ | 4.66 | % | ​ | 3.00 | %
Net interest margin (TE) | ​ | ​ | 4.64 | % | ​ | 4.74 | % | ​ | 3.18 | % | ​ | ​ | 4.69 | % | ​ | 3.03 | %

​

​

​

​

Noninterest Income

​

Three months ended June 30, 2023 and 2022

​

The following table details the major components of noninterest income for the periods presented:

​

​

​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | 2nd Quarter 2023 | ​
Noninterest Income | ​ | Three Months Ended | ​ | Percent Change From | ​
(Dollars in thousands) | ​ | June 30, | ​ | March 31, | ​ | June 30, | ​ | March 31, | ​ | June 30, | ​
​ |  | 2023 |  | 2023 |  | 2022 |  | 2023 |  | 2022 |
Wealth management | ​ | $ | 2,458 | ​ | $ | 2,270 | ​ | $ | 2,506 | ​ | 8.3 | ​ | (1.9) | ​
Service charges on deposits | ​ | ​ | 2,362 | ​ | ​ | 2,424 | ​ | ​ | 2,328 | ​ | (2.6) | ​ | 1.5 | ​
Residential mortgage banking revenue | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Secondary mortgage fees | ​ | ​ | 76 | ​ | ​ | 59 | ​ | ​ | 50 | ​ | 28.8 | ​ | 52.0 | ​
MSRs mark to market gain (loss) | ​ | ​ | 96 | ​ | ​ | (525) | ​ | ​ | 82 | ​ | 118.3 | ​ | 17.1 | ​
Mortgage servicing income | ​ | ​ | 499 | ​ | ​ | 516 | ​ | ​ | 579 | ​ | (3.3) | ​ | (13.8) | ​
Net gain (loss) on sales of mortgage loans | ​ | ​ | 398 | ​ | ​ | 306 | ​ | ​ | (262) | ​ | 30.1 | ​ | 251.9 | ​
Total residential mortgage banking revenue | ​ | ​ | 1,069 | ​ | ​ | 356 | ​ | ​ | 449 | ​ | 200.3 | ​ | 138.1 | ​
Securities losses, net | ​ | ​ | (1,547) | ​ | ​ | (1,675) | ​ | ​ | (33) | ​ | (7.6) | ​ | N/M | ​
Change in cash surrender value of BOLI | ​ | ​ | 418 | ​ | ​ | 242 | ​ | ​ | 72 | ​ | 72.7 | ​ | 480.6 | ​
Card related income | ​ | ​ | 2,690 | ​ | ​ | 2,244 | ​ | ​ | 2,965 | ​ | 19.9 | ​ | (9.3) | ​
Other income | ​ | ​ | 773 | ​ | ​ | 1,489 | ​ | ​ | 924 | ​ | (48.1) | ​ | (16.3) | ​
Total noninterest income | ​ | $ | 8,223 | ​ | $ | 7,350 | ​ | $ | 9,211 | ​ | 11.9 | ​ | (10.7) | ​

​

N/M - Not meaningful

​

Noninterest income increased $873,000, or 11.9%, in the second quarter of 2023, compared to the first quarter of 2023, and decreased $988,000, or 10.7%, compared to the second quarter of 2022. The increase from the first quarter of 2023 was primarily driven by a $621,000 increase in mortgage servicing rights (“MSR”) mark to market gains, a $188,000 increase in wealth management income, a

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$128,000 decrease in securities losses, net, based on strategic sales, and a $446,000 increase in card related income primarily due to increased activity. These increases in noninterest income in the second quarter of 2023, compared to the first quarter of 2023, were partially offset by a $716,000 decrease in other income driven by credits received in the first quarter of 2023 from a few vendors related to prior year service discounts.

​

The decrease in noninterest income of $988,000 in the second quarter of 2023, compared to the second quarter of 2022, is primarily due to an increase in security losses of $1.5 million on strategic sales for the quarter ended June 30, 2023. These decreases were partially offset by a $660,000 increase in net gains on sales of mortgage loans and a $346,000 increase in the cash surrender value of BOLI due to market interest rate changes.

​

Six months ended June 30, 2023 and 2022

​

​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Noninterest Income | ​ | Six Months Ended | ​ | YTD through June 30, 2023
(Dollars in thousands) | ​ | June 30, | ​ | June 30, | ​ | Percent
​ |  | 2023 |  | 2022 |  | Change
Wealth management | ​ | $ | 4,728 | ​ | $ | 5,204 | ​ | (9.1)
Service charges on deposits | ​ | ​ | 4,786 | ​ | ​ | 4,402 | ​ | 8.7
Residential mortgage banking revenue | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Secondary mortgage fees | ​ | ​ | 135 | ​ | ​ | 189 | ​ | (28.6)
MSRs mark to market (loss) gain | ​ | ​ | (429) | ​ | ​ | 3,060 | ​ | (114.0)
Mortgage servicing income | ​ | ​ | 1,015 | ​ | ​ | 1,098 | ​ | (7.6)
Net gain on sales of mortgage loans | ​ | ​ | 704 | ​ | ​ | 1,233 | ​ | (42.9)
Total residential mortgage banking revenue | ​ | ​ | 1,425 | ​ | ​ | 5,580 | ​ | (74.5)
Securities losses, net | ​ | ​ | (3,222) | ​ | ​ | (33) | ​ | N/M
Change in cash surrender value of BOLI | ​ | ​ | 660 | ​ | ​ | 196 | ​ | 236.7
Card related income | ​ | ​ | 4,934 | ​ | ​ | 5,532 | ​ | (10.8)
Other income | ​ | ​ | 2,262 | ​ | ​ | 1,793 | ​ | 26.2
Total noninterest income | ​ | $ | 15,573 | ​ | $ | 22,674 | ​ | (31.3)

​

N/M - Not meaningful

​

Noninterest income decreased $7.1 million, or 31.3%, for the six months ended June 30, 2023 compared to the six months ended June 30, 2022. This decrease was primarily driven by a $4.2 million decline in mortgage banking revenue, comprised mostly of a $3.5 million decrease in MSRs mark to market gains and a $529,000 decrease in net gain on sales of mortgage loans. In addition, the current six month period decreased due to a $3.2 million increase in net losses on the sale of securities for the year over year period. Partially offsetting these decreases was a $384,000 increase in service charges on deposits, a $464,000 increase in the cash surrender value of BOLI, and a $469,000 increase in other income.

​

​

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​

Noninterest Expense

​

Three months ended June 30, 2023 and 2022

​

The following table details the major components of noninterest expense for the periods presented:

​

​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | 2nd Quarter 2023 | ​
Noninterest Expense | ​ | Three Months Ended | ​ | Percent Change From | ​
(Dollars in thousands) | ​ | June 30, | ​ | March 31, | ​ | June 30, | ​ | March 31, | ​ | June 30, | ​
​ |  | 2023 |  | 2023 |  | 2022 |  | 2023 |  | 2022 |
Salaries | ​ | $ | 16,310 | ​ | $ | 16,087 | ​ | $ | 15,995 | ​ | 1.4 | ​ | 2.0 | ​
Officers incentive | ​ | ​ | 2,397 | ​ | ​ | 1,827 | ​ | ​ | 1,662 | ​ | 31.2 | ​ | 44.2 | ​
Benefits and other | ​ | ​ | 3,091 | ​ | ​ | 4,334 | ​ | ​ | 3,675 | ​ | (28.7) | ​ | (15.9) | ​
Total salaries and employee benefits | ​ | ​ | 21,798 | ​ | ​ | 22,248 | ​ | ​ | 21,332 | ​ | (2.0) | ​ | 2.2 | ​
Occupancy, furniture and equipment expense | ​ | ​ | 3,639 | ​ | ​ | 3,475 | ​ | ​ | 3,046 | ​ | 4.7 | ​ | 19.5 | ​
Computer and data processing | ​ | ​ | 1,290 | ​ | ​ | 1,774 | ​ | ​ | 4,006 | ​ | (27.3) | ​ | (67.8) | ​
FDIC insurance | ​ | ​ | 794 | ​ | ​ | 584 | ​ | ​ | 702 | ​ | 36.0 | ​ | 13.1 | ​
Net teller & bill paying | ​ | ​ | 515 | ​ | ​ | 502 | ​ | ​ | 834 | ​ | 2.6 | ​ | (38.2) | ​
General bank insurance | ​ | ​ | 306 | ​ | ​ | 305 | ​ | ​ | 351 | ​ | 0.3 | ​ | (12.8) | ​
Amortization of core deposit intangible asset | ​ | ​ | 618 | ​ | ​ | 624 | ​ | ​ | 659 | ​ | (1.0) | ​ | (6.2) | ​
Advertising expense | ​ | ​ | 103 | ​ | ​ | 142 | ​ | ​ | 194 | ​ | (27.5) | ​ | (46.9) | ​
Card related expense | ​ | ​ | 1,222 | ​ | ​ | 1,216 | ​ | ​ | 1,057 | ​ | 0.5 | ​ | 15.6 | ​
Legal fees | ​ | ​ | 283 | ​ | ​ | 319 | ​ | ​ | 179 | ​ | (11.3) | ​ | 58.1 | ​
Consulting & management fees | ​ | ​ | 520 | ​ | ​ | 790 | ​ | ​ | 523 | ​ | (34.2) | ​ | (0.6) | ​
Other real estate owned expense, net | ​ | ​ | (98) | ​ | ​ | 306 | ​ | ​ | 87 | ​ | (132.0) | ​ | (212.6) | ​
Other expense | ​ | ​ | 3,840 | ​ | ​ | 3,637 | ​ | ​ | 4,279 | ​ | 5.6 | ​ | (10.3) | ​
Total noninterest expense | ​ | $ | 34,830 | ​ | $ | 35,922 | ​ | $ | 37,249 | ​ | (3.0) | ​ | (6.5) | ​
Efficiency ratio (GAAP)1 | ​ | ​ | 46.84 | % | ​ | 47.52 | % | ​ | 67.07 | % | ​ | ​ | ​ | ​
Adjusted efficiency ratio (non-GAAP)2 | ​ | ​ | 46.49 | % | ​ | 47.66 | % | ​ | 62.73 | % | ​ | ​ | ​ | ​

​

N/M - Not meaningful

1 The efficiency ratio shown in the table above is a GAAP financial measure calculated as noninterest expense, excluding amortization of core deposits and OREO expenses, divided by the sum of net interest income and total noninterest income less any BOLI death benefit recorded, net gains or losses on securities and mark to market gains or losses on MSRs.

2 The adjusted efficiency ratio shown in the table above is a non-GAAP financial measure calculated as noninterest expense, excluding amortization of core deposits, OREO expenses and merger-related costs, net of gain on branch sales, divided by the sum of net interest income on a fully tax equivalent basis, total noninterest income less net gains or losses on securities, mark to market gains or losses on MSRs, and includes a tax equivalent adjustment on the change in cash surrender value of BOLI. See the section entitled “Reconciliation of Adjusted Efficiency Ratio Non-GAAP Financial Measures” starting on page 49 for a reconciliation of this non-GAAP measure to the most comparable GAAP equivalent.

​

Noninterest expense for the second quarter of 2023 decreased $1.1 million, or 3.0%, compared to the first quarter of 2023, and decreased $2.4 million, or 6.5%, compared to the second quarter of 2022. The decrease in the second quarter of 2023 compared to the first quarter of 2023 was attributable to a $450,000 decrease in salaries and employee benefits, primarily due to reductions in employee benefits expense related to a decline in group insurance premiums and payroll taxes, partially offset by an increase in salaries and the officer incentive accrual. Also contributing to the decrease in the second quarter of 2023 was a $484,000 decrease in computer and data processing costs as the first quarter of 2023 including additional costs due to timing of software contracts and incentives. Noninterest expense was further decreased in the second quarter of 2023 as there were no OREO valuation adjustments recorded compared to a $269,000 OREO valuation reserve recorded on two properties in the first quarter of 2023, reflected in other real estate owned expense, net.

​

The year over year decrease in noninterest expense is primarily attributable to a $2.7 million decrease in computer and data processing expenses and a $319,000 decrease in net teller & bill paying expense, both stemming from acquisition related costs in the second quarter of 2022 from our West Suburban acquisition. Partially offsetting the decrease in noninterest expense in the second quarter of 2023,

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compared to the second quarter of 2022, was a $466,000 increase in salaries and employee benefits and a $593,000 increase in occupancy, furniture and equipment expenses. Officer incentive compensation increased $735,000 in the second quarter of 2023, compared to the second quarter of 2022, as incentive accruals increased in the current year due to growth in our commercial and sponsored finance lending team staffing year over year, as well as loan growth in the year over year periods.

​

Six months ended June 30, 2023 and 2022

​

​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Noninterest Expense | ​ | Six Months Ended | ​ | YTD through June 30, 2023
(Dollars in thousands) | ​ | June 30, | ​ | June 30, | ​ | Percent
​ |  | 2023 |  | 2022 |  | Change
Salaries | ​ | $ | 32,397 | ​ | $ | 31,593 | ​ | 2.5
Officers incentive | ​ | ​ | 4,224 | ​ | ​ | 2,656 | ​ | 59.0
Benefits and other | ​ | ​ | 7,425 | ​ | ​ | 7,050 | ​ | 5.3
Total salaries and employee benefits | ​ | ​ | 44,046 | ​ | ​ | 41,299 | ​ | 6.7
Occupancy, furniture and equipment expense | ​ | ​ | 7,114 | ​ | ​ | 6,745 | ​ | 5.5
Computer and data processing | ​ | ​ | 3,064 | ​ | ​ | 10,274 | ​ | (70.2)
FDIC insurance | ​ | ​ | 1,378 | ​ | ​ | 1,112 | ​ | 23.9
Net teller & bill paying | ​ | ​ | 1,017 | ​ | ​ | 2,741 | ​ | (62.9)
General bank insurance | ​ | ​ | 611 | ​ | ​ | 666 | ​ | (8.3)
Amortization of core deposit intangible asset | ​ | ​ | 1,242 | ​ | ​ | 1,324 | ​ | (6.2)
Advertising expense | ​ | ​ | 245 | ​ | ​ | 376 | ​ | (34.8)
Card related expense | ​ | ​ | 2,438 | ​ | ​ | 1,591 | ​ | 53.2
Legal fees | ​ | ​ | 602 | ​ | ​ | 436 | ​ | 38.1
Consulting & management fees | ​ | ​ | 1,310 | ​ | ​ | 1,139 | ​ | 15.0
Other real estate owned expense, net | ​ | ​ | 208 | ​ | ​ | 75 | ​ | 177.3
Other expense | ​ | ​ | 7,477 | ​ | ​ | 7,723 | ​ | (3.2)
Total noninterest expense | ​ | $ | 70,752 | ​ | $ | 75,501 | ​ | (6.3)
Efficiency ratio (GAAP)1 | ​ | ​ | 47.18 | % | ​ | 69.81 | % | ​
Adjusted efficiency ratio (non-GAAP)2 | ​ | ​ | 47.08 | % | ​ | 62.33 | % | ​

​

N/M - Not meaningful

1 The efficiency ratio shown in the table above is a GAAP financial measure calculated as noninterest expense, excluding amortization of core deposits and OREO expenses, divided by the sum of net interest income and total noninterest income less any BOLI death benefit recorded, net gains or losses on securities and mark to market gains or losses on MSRs.

2 The adjusted efficiency ratio shown in the table above is a non-GAAP financial measure calculated as noninterest expense, excluding amortization of core deposits, OREO expenses and merger-related costs, net of gain on branch sales, divided by the sum of net interest income on a fully tax equivalent basis, total noninterest income less net gains or losses on securities, mark to market gains or losses on MSRs, and includes a tax equivalent adjustment on the change in cash surrender value of BOLI. See the section entitled “Reconciliation of Adjusted Efficiency Ratio Non-GAAP Financial Measures” starting on page 49 for a reconciliation of this non-GAAP measure to the most comparable GAAP equivalent.

​

Noninterest expense for the six months ended June 30, 2023, decreased $4.7 million, or 6.3%, compared to the six months ended June 30, 2022, primarily due to a $7.2 million decrease in computer and data processing due to acquisition related costs incurred during the six months ended June 30, 2022 as the result of our acquisition of West Suburban in December 2021. Salaries and employee benefits increased $2.7 million largely from incentives and merit increases effective during the six months ended June 30, 2023. Occupancy, furniture and equipment increased $369,000, or 5.5%. Net teller & bill paying decreased $1.7 million largely due to acquisition related costs that were incurred during the six months ended June 30, 2022. In addition, FDIC insurance increased $266,000 due to growth in our asset size, a scheduled increase in rates used by the FDIC for assessments, as well as the absence of assessment credits fully utilized in the 2022 year to date period. Finally, card related expense increased $847,000 due to the growth in customer transactions and related volume changes.

​

​

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​

Reconciliation of Adjusted Efficiency Ratio Non-GAAP Financial Measures

​

​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | GAAP | ​ | Non-GAAP | ​
​ | ​ | ​ | Three Months Ended | ​ | ​ | Three Months Ended | ​
​ | ​ | June 30, | ​ | March 31, | ​ | June 30, | ​ | June 30, | ​ | March 31, | ​ | June 30, | ​
​ | ​ | 2023 | ​ | 2023 | ​ | 2022 | ​ | 2023 | ​ | 2023 | ​ | 2022 | ​
Efficiency Ratio / Adjusted Efficiency Ratio | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Noninterest expense | ​ | $ | 34,830 | ​ | $ | 35,922 | ​ | $ | 37,249 | ​ | $ | 34,830 | ​ | $ | 35,922 | ​ | $ | 37,249 | ​
Less amortization of core deposit | ​ | ​ | 618 | ​ | ​ | 624 | ​ | ​ | 659 | ​ | ​ | 618 | ​ | ​ | 624 | ​ | ​ | 659 | ​
Less other real estate expense, net | ​ | ​ | (98) | ​ | ​ | 306 | ​ | ​ | 87 | ​ | ​ | (98) | ​ | ​ | 306 | ​ | ​ | 87 | ​
Less acquisition related costs, net of losses/(gains) on branch sales | ​ | ​ | N/A | ​ | ​ | N/A | ​ | ​ | N/A | ​ | ​ | 29 | ​ | ​ | (306) | ​ | ​ | 2,132 | ​
Noninterest expense less adjustments | ​ | $ | 34,310 | ​ | $ | 34,992 | ​ | $ | 36,503 | ​ | $ | 34,281 | ​ | $ | 35,298 | ​ | $ | 34,371 | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Net interest income | ​ | $ | 63,580 | ​ | $ | 64,086 | ​ | $ | 45,264 | ​ | $ | 63,580 | ​ | $ | 64,086 | ​ | $ | 45,264 | ​
Taxable-equivalent adjustment: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Loans | ​ | ​ | N/A | ​ | ​ | N/A | ​ | ​ | N/A | ​ | ​ | 11 | ​ | ​ | 6 | ​ | ​ | 6 | ​
Securities | ​ | ​ | N/A | ​ | ​ | N/A | ​ | ​ | N/A | ​ | ​ | 355 | ​ | ​ | 356 | ​ | ​ | 345 | ​
Net interest income including adjustments | ​ | ​ | 63,580 | ​ | ​ | 64,086 | ​ | ​ | 45,264 | ​ | ​ | 63,946 | ​ | ​ | 64,448 | ​ | ​ | 45,615 | ​
Noninterest income | ​ | ​ | 8,223 | ​ | ​ | 7,350 | ​ | ​ | 9,211 | ​ | ​ | 8,223 | ​ | ​ | 7,350 | ​ | ​ | 9,211 | ​
Less securities losses | ​ | ​ | (1,547) | ​ | ​ | (1,675) | ​ | ​ | (33) | ​ | ​ | (1,547) | ​ | ​ | (1,675) | ​ | ​ | (33) | ​
Less MSRs mark to market gain (loss) | ​ | ​ | 96 | ​ | ​ | (525) | ​ | ​ | 82 | ​ | ​ | 96 | ​ | ​ | (525) | ​ | ​ | 82 | ​
Taxable-equivalent adjustment: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Change in cash surrender value of BOLI | ​ | ​ | N/A | ​ | ​ | N/A | ​ | ​ | N/A | ​ | ​ | 111 | ​ | ​ | 64 | ​ | ​ | 19 | ​
Noninterest income (excluding) / including adjustments | ​ | ​ | 9,674 | ​ | ​ | 9,550 | ​ | ​ | 9,162 | ​ | ​ | 9,785 | ​ | ​ | 9,614 | ​ | ​ | 9,181 | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Net interest income including adjustments plus noninterest income (excluding) / including adjustments | ​ | $ | 73,254 | ​ | $ | 73,636 | ​ | $ | 54,426 | ​ | $ | 73,731 | ​ | $ | 74,062 | ​ | $ | 54,796 | ​
Efficiency ratio / Adjusted efficiency ratio | ​ | ​ | 46.84 | % | ​ | 47.52 | % | ​ | 67.07 | % | ​ | 46.49 | % | ​ | 47.66 | % | ​ | 62.73 | %

​

N/A - not applicable

​

​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | GAAP | ​ | Non-GAAP | ​
​ | ​ | ​ | Six Months Ended | ​ | ​ | Six Months Ended | ​
​ | ​ | June 30, | ​ | June 30, | ​ | ​ | June 30, | ​ | June 30, | ​ | ​
​ | ​ | 2023 | ​ | 2022 | ​ | ​ | 2023 | ​ | 2022 | ​ | ​
Efficiency Ratio / Adjusted Efficiency Ratio | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
(Dollars in thousands) | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Noninterest expense | ​ | $ | 70,752 | ​ | $ | 75,501 | ​ | ​ | $ | 70,752 | ​ | $ | 75,501 | ​ | ​
Less amortization of core deposit | ​ | ​ | 1,242 | ​ | ​ | 1,324 | ​ | ​ | ​ | 1,242 | ​ | ​ | 1,324 | ​ | ​
Less other real estate expense, net | ​ | ​ | 208 | ​ | ​ | 75 | ​ | ​ | ​ | 208 | ​ | ​ | 75 | ​ | ​
Less acquisition related costs, net of (gains)/losses on branch sales | ​ | ​ | N/A | ​ | ​ | N/A | ​ | ​ | ​ | (277) | ​ | ​ | 7,466 | ​ | ​
Noninterest expense less adjustments | ​ | $ | 69,302 | ​ | $ | 74,102 | ​ | ​ | $ | 69,579 | ​ | $ | 66,636 | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Net interest income | ​ | $ | 127,666 | ​ | $ | 86,496 | ​ | ​ | $ | 127,666 | ​ | $ | 86,496 | ​ | ​
Taxable-equivalent adjustment: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Loans | ​ | ​ | N/A | ​ | ​ | N/A | ​ | ​ | ​ | 17 | ​ | ​ | 11 | ​ | ​
Securities | ​ | ​ | N/A | ​ | ​ | N/A | ​ | ​ | ​ | 711 | ​ | ​ | 695 | ​ | ​
Net interest income including adjustments | ​ | ​ | 127,666 | ​ | ​ | 86,496 | ​ | ​ | ​ | 128,394 | ​ | ​ | 87,202 | ​ | ​
Noninterest income | ​ | ​ | 15,573 | ​ | ​ | 22,674 | ​ | ​ | ​ | 15,573 | ​ | ​ | 22,674 | ​ | ​
Less securities losses, net | ​ | ​ | (3,222) | ​ | ​ | (33) | ​ | ​ | ​ | (3,222) | ​ | ​ | (33) | ​ | ​
Less MSRs mark to market (losses) gains | ​ | ​ | (429) | ​ | ​ | 3,060 | ​ | ​ | ​ | (429) | ​ | ​ | 3,060 | ​ | ​
Taxable-equivalent adjustment: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Change in cash surrender value of BOLI | ​ | ​ | N/A | ​ | ​ | N/A | ​ | ​ | ​ | 175 | ​ | ​ | 52 | ​ | ​
Noninterest income (excluding) / including adjustments | ​ | ​ | 19,224 | ​ | ​ | 19,647 | ​ | ​ | ​ | 19,399 | ​ | ​ | 19,699 | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Net interest income including adjustments plus noninterest income (excluding) / including adjustments | ​ | $ | 146,890 | ​ | $ | 106,143 | ​ | ​ | $ | 147,793 | ​ | $ | 106,901 | ​ | ​
Efficiency ratio / Adjusted efficiency ratio | ​ | ​ | 47.18 | % | ​ | 69.81 | % | ​ | ​ | 47.08 | % | ​ | 62.33 | % | ​

​

N/A - not applicable

​

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Income Taxes

​

We recorded income tax expense of $9.4 million for the second quarter of 2023 on $35.0 million of pretax income, compared to income tax expense of $8.4 million on $32.0 million of pretax income in the first quarter of 2023, and income tax expense of $4.4 million on $16.7 million of pretax income in the second quarter of 2022. Our effective tax rate was 26.9% in the second quarter of 2023, 26.3% for the first quarter of 2023, and 26.6% for the second quarter of 2022.

We recorded income tax expense of $17.8 million on $67.0 million of pretax income for the six months ended June 30, 2023, compared to income tax expense of $8.9 million on $33.1 million of pretax income in the like 2022 period. The effective tax rate was 26.6% and 26.7% for the six months ended June 30, 2023 and 2022, respectively.

Income tax expense reflected all relevant statutory tax rates and GAAP accounting. There were no significant changes in our ability to utilize our deferred tax assets during the quarter ended June 30, 2023. We had no valuation reserve on the deferred tax assets as of June 30, 2023.

Financial Condition

​

Total assets decreased $4.4 million to $5.88 billion at June 30, 2023, from $5.89 billion at December 31, 2022, due primarily to decreases of $2.6 million in cash and cash equivalents, $203.7 million in securities available-for-sale, and $4.9 million in deferred tax assets. The decrease in securities available-for-sale was primarily due to strategic sales. These decreases were partially offset by increases in net loans of $140.1 million, FHLB and FRB stock held of $16.2 million, and other assets of $50.9 million. The increase in other assets is due to a timing difference related to a clients transactions effected by overnight sweeps. We continue to actively assess potential investment opportunities to utilize our excess liquidity. Total deposits were $4.72 billion at June 30, 2023, a decrease of $393.1 million from December 31, 2022, primarily due to seasonal decreases of municipal deposits, and to a lesser extent declines in interest bearing demand accounts, savings, money market, and NOW accounts in 2023.

​

​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | June 30, 2023
Securities | ​ | As of | ​ | Percent Change From
(Dollars in thousands) | ​ | June 30, | ​ | December 31, | ​ | June 30, | ​ | December 31, | ​ | June 30,
​ |  | 2023 |  | 2022 |  | 2022 |  | 2022 |  | 2022
Securities available-for-sale, at fair value | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
U.S. Treasuries | ​ | $ | 214,613 | ​ | $ | 212,129 | ​ | $ | 214,820 | ​ | 1.2 | ​ | (0.1)
U.S. government agencies | ​ | ​ | 55,981 | ​ | ​ | 56,048 | ​ | ​ | 57,896 | ​ | (0.1) | ​ | (3.3)
U.S. government agencies mortgage-backed | ​ | ​ | 115,140 | ​ | ​ | 124,990 | ​ | ​ | 141,836 | ​ | (7.9) | ​ | (18.8)
States and political subdivisions | ​ | ​ | 229,534 | ​ | ​ | 226,128 | ​ | ​ | 233,652 | ​ | 1.5 | ​ | (1.8)
Corporate bonds | ​ | ​ | 4,882 | ​ | ​ | 9,622 | ​ | ​ | 9,543 | ​ | (49.3) | ​ | (48.8)
Collateralized mortgage obligations | ​ | ​ | 407,495 | ​ | ​ | 533,768 | ​ | ​ | 641,498 | ​ | (23.7) | ​ | (36.5)
Asset-backed securities | ​ | ​ | 134,319 | ​ | ​ | 201,928 | ​ | ​ | 259,622 | ​ | (33.5) | ​ | (48.3)
Collateralized loan obligations | ​ | ​ | 173,658 | ​ | ​ | 174,746 | ​ | ​ | 175,549 | ​ | (0.6) | ​ | (1.1)
Total securities | ​ | $ | 1,335,622 | ​ | $ | 1,539,359 | ​ | $ | 1,734,416 | ​ | (13.2) | ​ | (23.0)
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​

​

Securities available-for-sale decreased $203.7 million as of June 30, 2023 compared to December 31, 2022, and decreased $398.8 million compared to June 30, 2022. The decrease in the portfolio during the second quarter of 2023 was driven by securities sales totaling $74.0

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million and paydowns totaling $30.9 million. We continue to seek to position the portfolio in higher credit quality, shorter duration securities with an appropriate mix of fixed- and floating-rate exposures.

​

​

​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | June 30, 2023
Loans | As of | ​ | Percent Change From
(Dollars in thousands) | June 30, | ​ | December 31, | ​ | June 30, | ​ | December 31, | ​ | June 30,
​ | 2023 | ​ | 2022 | ​ | 2022 | ​ | 2022 |  | 2022
Commercial | $ | 820,027 | ​ | $ | 840,964 | ​ | $ | 806,725 | ​ | (2.5) | ​ | 1.6
Leases | ​ | 314,919 | ​ | ​ | 277,385 | ​ | ​ | 230,677 | ​ | 13.5 | ​ | 36.5
Commercial real estate – investor | ​ | 1,080,073 | ​ | ​ | 987,635 | ​ | ​ | 834,395 | ​ | 9.4 | ​ | 29.4
Commercial real estate – owner occupied | ​ | 824,277 | ​ | ​ | 854,879 | ​ | ​ | 870,181 | ​ | (3.6) | ​ | (5.3)
Construction | ​ | 189,058 | ​ | ​ | 180,535 | ​ | ​ | 170,037 | ​ | 4.7 | ​ | 11.2
Residential real estate – investor | ​ | 55,935 | ​ | ​ | 57,353 | ​ | ​ | 61,220 | ​ | (2.5) | ​ | (8.6)
Residential real estate – owner occupied | ​ | 218,205 | ​ | ​ | 219,718 | ​ | ​ | 207,836 | ​ | (0.7) | ​ | 5.0
Multifamily | ​ | 383,184 | ​ | ​ | 323,691 | ​ | ​ | 310,706 | ​ | 18.4 | ​ | 23.3
HELOC | ​ | 102,058 | ​ | ​ | 109,202 | ​ | ​ | 120,138 | ​ | (6.5) | ​ | (15.0)
Other 1 | ​ | 27,789 | ​ | ​ | 18,247 | ​ | ​ | 13,155 | ​ | 52.3 | ​ | 111.2
Total loans | $ | 4,015,525 | ​ | $ | 3,869,609 | ​ | $ | 3,625,070 | ​ | 3.8 | ​ | 10.8

​

1 The “Other” segment includes consumer loans and overdrafts.

​

Total loans were $4.02 billion as of June 30, 2023, an increase of $145.9 million from December 31, 2022. The increase in total loans in the first six months of 2023, compared to December 31, 2022, was due primarily to growth in loan originations, net of paydowns, within commercial real estate – investor of $92.4 million, multifamily of $59.5 million and leases of $37.5 million offset by net reductions in commercial real estate – owner occupied of $30.6 million from December 31, 2022. Total loans increased $390.5 million from June 30, 2022 to June 30, 2023, primarily due to growth in loan originations, net of paydowns, within commercial real estate – investor of $245.7 million, leases of $84.2 million and multifamily of $72.5 million, offset by net reductions in commercial real estate – owner occupied of $45.9 million. As required by CECL, the balance (or amortized cost basis) of purchased credit deteriorated loans, or PCD loans (discussed below) is carried on a gross basis (rather than net of the associated credit loss estimate), and the expected credit losses for PCD loans are estimated and separately recognized as part of the allowance for credit losses, or ACL.

​

The quality of our loan portfolio is impacted not only by our credit decisions but also by the economic health of the communities in which we operate. Since we are located in a corridor with significant open space and undeveloped real estate, real estate lending (including commercial real estate, construction, residential, multifamily, and HELOCs) has been and continues to be a sizeable portion of our portfolio. These categories comprised 71.0% of the portfolio as of June 30, 2023, compared to 70.6% of the portfolio as of December 31, 2022. At June 30, 2023, our outstanding commercial real estate loans and undrawn commercial real estate commitments, excluding owner occupied real estate were equal to 311.0% of our Tier 1 capital plus allowance for credit losses, an increase from 304.2% at December 31, 2022. We continue to oversee and seek to manage our loan portfolio in accordance with interagency guidance on risk management.

​

Asset Quality

Nonperforming loans consist of nonaccrual loans, and loans 90 days or greater past due. Prior to January 1, 2023, nonperforming loans also included performing troubled debt restructured loans accruing interest. Nonperforming loans increased by $28.3 million to $61.2 million at June 30, 2023 from $32.9 million at December 31, 2022 and increased $19.1 million from $42.1 million at June 30, 2022. Purchased credit deteriorated loans, or PCD loans, are purchased loans that, as of the date of acquisition, we determined had experienced a more-than-insignificant deterioration in credit quality since origination. PCD loans and their related deferred loan costs are included in our nonperforming loan disclosures, if such loans otherwise meet the definition of a nonperforming loan. Management continues to carefully monitor loans considered to be in a classified status. Nonperforming loans as a percent of total loans were 1.5% as of June 30, 2023, 0.9% as of December 31, 2022, and 1.2% as of June 30, 2022. The distribution of our nonperforming loans is shown in the following table.

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​

​

​

​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | June 30, 2023 | ​
Nonperforming Loans | As of | ​ | Percent Change From | ​
(Dollars in thousands) | June 30, | ​ | December 31, | ​ | June 30, | ​ | December 31, | ​ | June 30, | ​
​ | 2023 | ​ | 2022 | ​ | 2022 | ​ | 2022 | ​ | 2022 | ​
Commercial | $ | 1,544 | ​ | $ | 7,649 | ​ | $ | 11,600 | ​ | (79.8) | ​ | ​ | (86.7) | ​ | ​
Leases | ​ | 758 | ​ | ​ | 1,876 | ​ | ​ | 2,005 | ​ | (59.6) | ​ | ​ | (62.2) | ​ | ​
Commercial real estate – investor | ​ | 31,613 | ​ | ​ | 4,346 | ​ | ​ | 8,324 | ​ | 627.4 | ​ | ​ | 279.8 | ​ | ​
Commercial real estate – owner occupied | ​ | 18,857 | ​ | ​ | 8,223 | ​ | ​ | 10,670 | ​ | 129.3 | ​ | ​ | 76.7 | ​ | ​
Construction | ​ | 116 | ​ | ​ | 251 | ​ | ​ | 1,238 | ​ | (53.8) | ​ | ​ | (90.6) | ​ | ​
Residential real estate – investor | ​ | 1,445 | ​ | ​ | 1,672 | ​ | ​ | 1,092 | ​ | (13.6) | ​ | ​ | 32.3 | ​ | ​
Residential real estate – owner occupied | ​ | 3,660 | ​ | ​ | 4,198 | ​ | ​ | 3,642 | ​ | (12.8) | ​ | ​ | 0.5 | ​ | ​
Multifamily | ​ | 1,191 | ​ | ​ | 2,538 | ​ | ​ | 907 | ​ | (53.1) | ​ | ​ | 31.3 | ​ | ​
HELOC | ​ | 2,049 | ​ | ​ | 2,158 | ​ | ​ | 2,613 | ​ | (5.1) | ​ | ​ | (21.6) | ​ | ​
Other 1 | ​ | - | ​ | ​ | 2 | ​ | ​ | 3 | ​ | (100.0) | ​ | ​ | (100.0) | ​ | ​
Total nonperforming loans | $ | 61,233 | ​ | $ | 32,913 | ​ | $ | 42,094 | ​ | 86.0 | ​ | ​ | 45.5 | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​

1 The “Other” segment includes consumer loans and overdrafts.

​

The components of our nonperforming assets are shown in the following table.

​

​

​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | June 30, 2023
Nonperforming Assets | ​ | As of | ​ | Percent Change From
(Dollars in thousands) | ​ | June 30, | ​ | December 31, | ​ | June 30, | ​ | December 31, | ​ | June 30,
​ |  | 2023 |  | 2022 |  | 2022 |  | 2022 | ​ | 2022
Nonaccrual loans | ​ | $ | 60,925 | ​ | $ | 31,602 | ​ | $ | 35,712 | ​ | 92.8 | ​ | 70.6
Performing troubled debt restructured loans accruing interest 1 | ​ |  | N/A | ​ |  | 49 | ​ |  | 1,108 | ​ | N/A | ​ | N/A
Loans past due 90 days or more and still accruing interest | ​ |  | 308 | ​ |  | 1,262 | ​ |  | 5,274 | ​ | (75.6) | ​ | (94.2)
Total nonperforming loans | ​ |  | 61,233 | ​ |  | 32,913 | ​ |  | 42,094 | ​ | 86.0 | ​ | 45.5
Other real estate owned | ​ |  | 761 | ​ |  | 1,561 | ​ |  | 1,624 | ​ | (51.2) | ​ | (53.1)
Total nonperforming assets | ​ | $ | 61,994 | ​ | $ | 34,474 | ​ | $ | 43,718 | ​ | 79.8 | ​ | 41.8
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
30-89 days past due loans and still accruing interest | ​ | $ | 12,449 | ​ | $ | 7,508 | ​ | $ | 24,681 | ​ | ​ | ​ | ​
Nonaccrual loans to total loans | ​ | ​ | 1.5 | % | ​ | 0.8 | % | ​ | 1.0 | % | ​ | ​ | ​
Nonperforming loans to total loans | ​ | ​ | 1.5 | % | ​ | 0.9 | % | ​ | 1.2 | % | ​ | ​ | ​
Nonperforming assets to total loans plus OREO | ​ | ​ | 1.5 | % | ​ | 0.9 | % | ​ | 1.2 | % | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Allowance for credit losses | ​ | $ | 55,314 | ​ | $ | 49,480 | ​ | $ | 45,388 | ​ | ​ | ​ | ​
Allowance for credit losses to total loans | ​ | ​ | 1.4 | % | ​ | 1.3 | % | ​ | 1.3 | % | ​ | ​ | ​
Allowance for credit losses to nonaccrual loans | ​ | ​ | 90.8 | % | ​ | 156.6 | % | ​ | 127.1 | % | ​ | ​ | ​

​

N/A – Not applicable

​

1 As of January 1, 2023, the Company prospectively adopted ASU 2022-02 Topic 326 “Troubled Debt Restructurings (“TDRs”) and Vintage Disclosures”, which eliminated the need for recognition, measurement and disclosure of TDRs going forward. See Note 1 for further details of ASU 2022-02 adoption.

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​

Loan charge-offs, net of recoveries, for the current quarter, prior linked quarter and year over year quarter are shown in the following table.

​

​

​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Loan Charge–offs, Net of Recoveries | Three Months Ended
(Dollars in thousands) | June 30, | ​ | % of | ​ | March 31, | ​ | % of | ​ | June 30, | ​ | % of
​ | 2023 | ​ | Total1 | ​ | 2023 | ​ | Total1 | ​ | 2022 | ​ | Total1
Commercial | $ | 298 | ​ | 59.0 | ​ | $ | (124) | ​ | (16.8) | ​ | $ | 44 | ​ | 17.6
Leases | ​ | (7) | ​ | (1.4) | ​ | ​ | 873 | ​ | 118.0 | ​ | ​ | - | ​ | -
Commercial real estate – investor | ​ | 51 | ​ | 10.1 | ​ | ​ | (17) | ​ | (2.3) | ​ | ​ | 225 | ​ | 90.0
Commercial real estate – owner occupied | ​ | 198 | ​ | 39.2 | ​ | ​ | (2) | ​ | (0.3) | ​ | ​ | (7) | ​ | (2.8)
Residential real estate – investor | ​ | (5) | ​ | (1.0) | ​ | ​ | (19) | ​ | (2.6) | ​ | ​ | (5) | ​ | (2.0)
Residential real estate – owner occupied | ​ | (36) | ​ | (7.1) | ​ | ​ | (10) | ​ | (1.4) | ​ | ​ | (22) | ​ | (8.8)
HELOC | ​ | (24) | ​ | (4.8) | ​ | ​ | (29) | ​ | (3.9) | ​ | ​ | (31) | ​ | (12.4)
Other 2 | ​ | 30 | ​ | 6.0 | ​ | ​ | 68 | ​ | 9.3 | ​ | ​ | 46 | ​ | 18.4
Net charge–offs | $ | 505 | ​ | 100.0 | ​ | $ | 740 | ​ | 100.0 | ​ | $ | 250 | ​ | 100.0
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​

​

1 Represents the percentage of net charge-offs attributable to each category of loans.

2 The “Other” segment includes consumer and overdrafts.

​

Net charge-offs of $505,000 were recorded for the second quarter of 2023, compared to net charge-offs of $740,000 for the first quarter of 2023, and net charge-offs of $250,000 for the second quarter of 2022, reflecting continuing management attention to credit quality and remediation efforts. The net charge-offs for the second quarter of 2023 were primarily due to charge offs of one commercial real estate-owner occupied loan and one commercial loan totaling $598,000 in aggregate. We have continued our conservative loan valuations and aggressive recovery efforts on prior charge-offs.

​

Classified loans include nonaccrual loans and all other loans considered substandard. Classified assets include both classified loans and OREO. Loans classified as substandard are inadequately protected by either the current net worth and ability to meet payment obligations of the obligor, or by the collateral pledged to secure the loan, if any. These loans have a well-defined weakness or weaknesses that jeopardize the liquidation of the debt and carry the distinct possibility that we will sustain some loss if deficiencies remain uncorrected.

​

The following table shows classified assets by segment for the following periods.

​

​

​

​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | June 30, 2023
Classified Assets | As of | ​ | Percent Change From
(Dollars in thousands) | June 30, | ​ | December 31, | ​ | June 30, | ​ | December 31, | ​ | June 30,
​ | 2023 | ​ | 2022 | ​ | 2022 | ​ | 2022 | ​ | 2022
Commercial | $ | 22,245 | ​ | $ | 26,485 | ​ | $ | 31,577 | ​ | (16.0) | ​ | ​ | (29.6) | ​
Leases | ​ | 974 | ​ | ​ | 1,876 | ​ | ​ | 2,005 | ​ | (48.1) | ​ | ​ | (51.4) | ​
Commercial real estate – investor | ​ | 57,041 | ​ | ​ | 27,410 | ​ | ​ | 30,407 | ​ | 108.1 | ​ | ​ | 87.6 | ​
Commercial real estate – owner occupied | ​ | 38,495 | ​ | ​ | 40,890 | ​ | ​ | 28,715 | ​ | (5.9) | ​ | ​ | 34.1 | ​
Construction | ​ | 116 | ​ | ​ | 1,333 | ​ | ​ | 1,238 | ​ | (91.3) | ​ | ​ | (90.6) | ​
Residential real estate – investor | ​ | 1,714 | ​ | ​ | 1,714 | ​ | ​ | 1,246 | ​ | - | ​ | ​ | 37.6 | ​
Residential real estate – owner occupied | ​ | 3,660 | ​ | ​ | 3,854 | ​ | ​ | 3,785 | ​ | (5.0) | ​ | ​ | (3.3) | ​
Multifamily | ​ | 1,191 | ​ | ​ | 2,954 | ​ | ​ | 1,336 | ​ | (59.7) | ​ | ​ | (10.9) | ​
HELOC | ​ | 2,152 | ​ | ​ | 2,411 | ​ | ​ | 2,853 | ​ | (10.7) | ​ | ​ | (24.6) | ​
Other 1 | ​ | - | ​ | ​ | 2 | ​ | ​ | 2 | ​ | (100.0) | ​ | ​ | (100.0) | ​
Total classified loans | ​ | 127,588 | ​ | ​ | 108,929 | ​ | ​ | 103,164 | ​ | 17.1 | ​ | ​ | 23.7 | ​
Other real estate owned | ​ | 761 | ​ | ​ | 1,561 | ​ | ​ | 1,624 | ​ | (51.2) | ​ | ​ | (53.1) | ​
Total classified assets | $ | 128,349 | ​ | $ | 110,490 | ​ | $ | 104,788 | ​ | 16.2 | ​ | ​ | 22.5 | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​

​

1 The “Other” segment includes consumer loans and overdrafts.

​

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Total classified loans increased $18.7 million and classified assets increased $17.9 million as of June 30, 2023 from December 31, 2022. The increase is due to the addition of $29.6 million of classified loans in commercial real estate – investor, primarily due to three large credits, two of which are office buildings and one is an assisted living facility in the first six months of 2023. The increase from June 30, 2022 is primarily due to the same loan additions to commercial real estate – investor. Management monitors a ratio of classified assets to the sum of Bank Tier 1 capital and the ACL on loans as another measure of overall change in loan related asset quality, which is referred to as the “classified assets ratio.” The classified assets ratio was 20.46% for the period ended June 30, 2023, compared to 18.36% as of December 31, 2022, and 17.79% as of June 30, 2022.

​

Allowance for Credit Losses on Loans

​

The provision for credit losses, which includes a provision for losses on unfunded commitments, is a charge to earnings to maintain the allowance for credit losses (“ACL”) at a level consistent with management’s assessment of expected losses in the loan portfolio at the balance sheet date.

​

At June 30, 2023, our ACL on loans totaled $55.3 million, and our ACL on unfunded commitments, included in other liabilities, totaled $3.1 million. In the second quarter of 2023, we recorded provision expense on loans of $2.4 million, based on our assessment of nonperforming loan metrics and trends and estimated future credit losses, and a $427,000 release of provision on unfunded commitments, primarily due to an adjustment of historical benchmark assumptions, such as funding rates and the period used to forecast those rates, within the ACL calculation. These adjustments resulted in a $2.0 million net impact to the provision for credit losses for the second quarter of 2023.

Management estimates the amount of provision required on a quarterly basis and records the appropriate provision expense, or release of expense, to maintain an adequate reserve for all potential and estimated credit losses on loans, leases and unfunded commitments. The ACL on loans totaled $55.3 million as of June 30, 2023, $49.5 million as of December 31, 2022, and $45.4 million as of June 30, 2022. Our ACL on loans to total loans was 1.4% as of June 30, 2023, compared to 1.3% as of December 31, 2022 and June 30, 2022. See Item 7 – Critical Accounting Estimates in the Management Discussion and Analysis in our 2022 Annual Report in Form 10-K for discussion of our ACL methodology on loans. Allocations of the ACL may be made for specific loans, but the entire allowance is available for any loan that, in our judgment, should be charged-off.

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​

Below is a reconciliation of the activity in the allowance for credit losses on loans for the periods indicated (dollars in thousands):

​

​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended | ​ | ​ | Six Months Ended | ​
​ | June 30, | ​ | March 31, | ​ | June 30, | ​ | June 30, | ​ | June 30, | ​
​ | 2023 | ​ | 2023 | ​ | 2022 | ​ | 2023 | ​ | 2022 | ​
Allowance at beginning of period | $ | 53,392 | ​ | ​ | $ | 49,480 | ​ | ​ | $ | 44,308 | ​ | ​ | $ | 49,480 | ​ | ​ | $ | 44,281 | ​ | ​
Charge–offs: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Commercial | ​ | 380 | ​ | ​ | ​ | 27 | ​ | ​ | ​ | 52 | ​ | ​ | ​ | 407 | ​ | ​ | ​ | 82 | ​ | ​
Leases | ​ | - | ​ | ​ | ​ | 882 | ​ | ​ | ​ | - | ​ | ​ | ​ | 882 | ​ | ​ | ​ | - | ​ | ​
Commercial real estate – investor | ​ | 71 | ​ | ​ | ​ | - | ​ | ​ | ​ | 243 | ​ | ​ | ​ | 71 | ​ | ​ | ​ | 480 | ​ | ​
Commercial real estate – owner occupied | ​ | 201 | ​ | ​ | ​ | - | ​ | ​ | ​ | - | ​ | ​ | ​ | 201 | ​ | ​ | ​ | 121 | ​ | ​
Construction | ​ | - | ​ | ​ | ​ | - | ​ | ​ | ​ | - | ​ | ​ | ​ | - | ​ | ​ | ​ | - | ​ | ​
Residential real estate – investor | ​ | - | ​ | ​ | ​ | - | ​ | ​ | ​ | - | ​ | ​ | ​ | - | ​ | ​ | ​ | - | ​ | ​
Residential real estate – owner occupied | ​ | - | ​ | ​ | ​ | - | ​ | ​ | ​ | - | ​ | ​ | ​ | - | ​ | ​ | ​ | - | ​ | ​
Multifamily | ​ | - | ​ | ​ | ​ | - | ​ | ​ | ​ | - | ​ | ​ | ​ | - | ​ | ​ | ​ | - | ​ | ​
HELOC | ​ | - | ​ | ​ | ​ | - | ​ | ​ | ​ | - | ​ | ​ | ​ | - | ​ | ​ | ​ | - | ​ | ​
Other 1 | ​ | 81 | ​ | ​ | ​ | 113 | ​ | ​ | ​ | 91 | ​ | ​ | ​ | 194 | ​ | ​ | ​ | 217 | ​ | ​
Total charge–offs | ​ | 733 | ​ | ​ | ​ | 1,022 | ​ | ​ | ​ | 386 | ​ | ​ | ​ | 1,755 | ​ | ​ | ​ | 900 | ​ | ​
Recoveries: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Commercial | ​ | 82 | ​ | ​ | ​ | 151 | ​ | ​ | ​ | 8 | ​ | ​ | ​ | 233 | ​ | ​ | ​ | 38 | ​ | ​
Leases | ​ | 7 | ​ | ​ | ​ | 9 | ​ | ​ | ​ | - | ​ | ​ | ​ | 16 | ​ | ​ | ​ | - | ​ | ​
Commercial real estate – investor | ​ | 20 | ​ | ​ | ​ | 17 | ​ | ​ | ​ | 18 | ​ | ​ | ​ | 37 | ​ | ​ | ​ | 41 | ​ | ​
Commercial real estate – owner occupied | ​ | 3 | ​ | ​ | ​ | 2 | ​ | ​ | ​ | 7 | ​ | ​ | ​ | 5 | ​ | ​ | ​ | 15 | ​ | ​
Construction | ​ | - | ​ | ​ | ​ | - | ​ | ​ | ​ | - | ​ | ​ | ​ | - | ​ | ​ | ​ | - | ​ | ​
Residential real estate – investor | ​ | 5 | ​ | ​ | ​ | 19 | ​ | ​ | ​ | 5 | ​ | ​ | ​ | 24 | ​ | ​ | ​ | 15 | ​ | ​
Residential real estate – owner occupied | ​ | 36 | ​ | ​ | ​ | 10 | ​ | ​ | ​ | 22 | ​ | ​ | ​ | 46 | ​ | ​ | ​ | 105 | ​ | ​
Multifamily | ​ | - | ​ | ​ | ​ | - | ​ | ​ | ​ | - | ​ | ​ | ​ | - | ​ | ​ | ​ | - | ​ | ​
HELOC | ​ | 24 | ​ | ​ | ​ | 29 | ​ | ​ | ​ | 31 | ​ | ​ | ​ | 53 | ​ | ​ | ​ | 67 | ​ | ​
Other 1 | ​ | 51 | ​ | ​ | ​ | 45 | ​ | ​ | ​ | 45 | ​ | ​ | ​ | 96 | ​ | ​ | ​ | 76 | ​ | ​
Total recoveries | ​ | 228 | ​ | ​ | ​ | 282 | ​ | ​ | ​ | 136 | ​ | ​ | ​ | 510 | ​ | ​ | ​ | 357 | ​ | ​
Net charge-offs | ​ | 505 | ​ | ​ | ​ | 740 | ​ | ​ | ​ | 250 | ​ | ​ | ​ | 1,245 | ​ | ​ | ​ | 543 | ​ | ​
Provision for credit losses on loans | ​ | 2,427 | ​ | ​ | ​ | 4,652 | ​ | ​ | ​ | 1,330 | ​ | ​ | ​ | 7,079 | ​ | ​ | ​ | 1,650 | ​ | ​
Allowance at end of period | $ | 55,314 | ​ | ​ | $ | 53,392 | ​ | ​ | $ | 45,388 | ​ | ​ | $ | 55,314 | ​ | ​ | $ | 45,388 | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Average total loans (exclusive of loans held–for–sale) | $ | 4,039,052 | ​ | ​ | $ | 3,931,679 | ​ | ​ | $ | 3,505,806 | ​ | ​ | $ | 3,985,662 | ​ | ​ | $ | 3,452,115 | ​ | ​
Net charge–offs to average loans | ​ | 0.05 | % | ​ | ​ | 0.08 | % | ​ | ​ | 0.03 | % | ​ | ​ | 0.06 | % | ​ | ​ | 0.03 | % | ​
Allowance at period end to average loans | ​ | 1.37 | % | ​ | ​ | 1.36 | % | ​ | ​ | 1.29 | % | ​ | ​ | 1.39 | % | ​ | ​ | 1.31 | % | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​

1 The “Other” segment includes consumer loans and overdrafts.

​

The coverage ratio of the ACL on loans to nonperforming loans was 90.3% June 30, 2023, which was a decrease from the coverage ratio of 162.2% as of March 31, 2023 and a decrease from 107.8% as of June 30, 2022. When measured as a percentage of average loans, our total ACL on loans was 1.39% at June 30, 2023 and 1.31% for the like period of June 30, 2022.

​

In management’s judgment, an adequate ACL has been established to encompass the current lifetime expected credit losses at June 30, 2023, and general changes in lending policy, procedures and staffing, as well as other external factors. However, there can be no assurance that actual losses will not exceed the estimated amounts in the future, based on unforeseen economic events, changes in business climates and the condition of collateral at the time of default and repossession. Continued volatility in the economic environment stemming from the impacts of and response to inflation, potential recession, and the war in Ukraine, and the associated effects on our customers, or other factors, such as changes in business climates and the condition of collateral at the time of default or repossession, may revise our current expectations of future credit losses in future reporting periods.

​

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​

Deposits and Borrowings

​

​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | June 30, 2023
Deposits | As of | ​ | Percent Change From
(Dollars in thousands) | June 30, | ​ | December 31, | ​ | June 30, | ​ | December 31, | ​ | June 30,
​ | 2023 | ​ | 2022 | ​ | 2022 | ​ | 2022 |  | 2022
Noninterest bearing demand | $ | 1,897,694 | ​ | $ | 2,051,702 | ​ | $ | 2,078,272 | ​ | (7.5) | ​ | (8.7)
Savings | ​ | 1,050,453 | ​ | ​ | 1,145,592 | ​ | ​ | 1,199,027 | ​ | (8.3) | ​ | (12.4)
NOW accounts | ​ | 586,121 | ​ | ​ | 609,338 | ​ | ​ | 609,558 | ​ | (3.8) | ​ | (3.8)
Money market accounts | ​ | 731,459 | ​ | ​ | 862,170 | ​ | ​ | 994,616 | ​ | (15.2) | ​ | (26.5)
Certificates of deposit of less than $100,000 | ​ | 240,848 | ​ | ​ | 244,017 | ​ | ​ | 268,723 | ​ | (1.3) | ​ | (10.4)
Certificates of deposit of $100,000 through $250,000 | ​ | 148,070 | ​ | ​ | 157,438 | ​ | ​ | 140,266 | ​ | (6.0) | ​ | 5.6
Certificates of deposit of more than $250,000 | ​ | 62,937 | ​ | ​ | 40,466 | ​ | ​ | 52,393 | ​ | 55.5 | ​ | 20.1
Total deposits | $ | 4,717,582 | ​ | $ | 5,110,723 | ​ | $ | 5,342,855 | ​ | (7.7) | ​ | (11.7)

​

Total deposits were $4.72 billion at June 30, 2023, which reflects a $393.1 million decrease from total deposits of $5.11 billion at December 31, 2022, and a decrease of $625.3 million from total deposits of $5.34 billion at June 30, 2022. The decrease in deposits at June 30, 2023, compared to December 31, 2022, was primarily due to decreases in non-interest bearing deposits of $154.0 million, savings accounts of $95.1 million and money market accounts of $130.7 million. The decrease in deposits at June 30, 2023, compared to June 30, 2022 was primarily due to decreases in non-interest bearing deposits of $180.6 million, savings accounts of $148.6 million, and money market accounts of $263.2 million. Total quarterly average deposits decreased $667.2 million, or 12.2%, in the year over year period, driven by declines in our average demand deposits of $199.2 million, and savings, NOW and money markets combined of $435.5 million. In general, the bulk of the decline in deposits year over year can be characterized as rate sensitive with significant flows and transfers into investing activities, materially offsetting the significant expansion in those same accounts in the immediate aftermath of the pandemic.

​

The following table presents estimated insured and uninsured deposits at June 30, 2023 and December 31, 2022 by deposit type, as well as the weighted average rates for each quarter to date ending period.

​

​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
(Dollars in thousands) | June 30, 2023 | ​ | ​ | December 31, 2022
​ | Total Deposits | ​ | Insured Deposits | ​ | Uninsured Deposits | ​ | Average Rate Paid | ​ | Total Deposits | ​ | Insured Deposits | ​ | Uninsured Deposits | ​ | Average Rate Paid
Noninterest bearing demand | $ | 1,897,694 | ​ | $ | 1,250,055 | ​ | $ | 647,639 | ​ | - | % | ​ | $ | 2,051,702 | ​ | $ | 1,327,379 | ​ | $ | 724,323 | ​ | - | %
Savings | ​ | 1,050,453 | ​ | ​ | 980,137 | ​ | ​ | 70,316 | ​ | 0.05 | ​ | ​ | ​ | 1,145,592 | ​ | ​ | 1,065,153 | ​ | ​ | 80,439 | ​ | 0.03 | ​
NOW accounts | ​ | 586,121 | ​ | ​ | 424,084 | ​ | ​ | 162,037 | ​ | 0.19 | ​ | ​ | ​ | 609,338 | ​ | ​ | 453,799 | ​ | ​ | 155,539 | ​ | 0.09 | ​
Money market accounts | ​ | 731,459 | ​ | ​ | 511,142 | ​ | ​ | 220,317 | ​ | 0.52 | ​ | ​ | ​ | 862,170 | ​ | ​ | 588,923 | ​ | ​ | 273,247 | ​ | 0.10 | ​
Time deposits | ​ | 451,855 | ​ | ​ | 380,312 | ​ | ​ | 71,543 | ​ | 0.84 | ​ | ​ | ​ | 441,921 | ​ | ​ | 381,980 | ​ | ​ | 59,941 | ​ | 0.31 | ​
Total | $ | 4,717,582 | ​ | $ | 3,545,730 | ​ | $ | 1,171,852 | ​ | 0.19 | % | ​ | $ | 5,110,723 | ​ | $ | 3,817,234 | ​ | $ | 1,293,489 | ​ | 0.06 | %
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Collateralized public funds | $ | 279,360 | ​ | $ | 15,841 | ​ | $ | 263,519 | ​ | ​ | ​ | ​ | $ | 262,318 | ​ | $ | 15,880 | ​ | $ | 246,439 | ​ | ​ | ​

​

Deposits declined 7.7% for the six months ended June 30, 2023, primarily due to retail run off, partially offset by a seasonal pick up in public fund deposits. Deposit run off year to date has been very granular, and not necessarily attributable to a few large deposit accounts. The largest component of deposit increases were seasonal funds from our public fund clients, while the largest reduction in total deposits was driven by retail customers stemming from tax payments, including personal income as well as real estate taxes, and real estate transactions. In terms of product mix, we observed some migration into time deposits, which was expected due to CD rate specials offered. Overall, our deposit level has been stable from observation of recent trends and we expect that to continue going forward.

​

In addition to deposits, we used other liquidity sources for our funding needs in all periods presented, such as repurchase agreements and other short-term borrowings with the FHLBC. Securities sold under repurchase agreements totaled $31.5 million at June 30, 2023, a

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$624,000, or 1.9%, decrease from $32.2 million at December 31, 2022. Our excess liquidity on hand during much of 2022 allowed us to fund our short-term liquidity needs with cash on hand. During the third quarter of 2022, we began utilizing short-term borrowings from the FHLBC again. The outstanding balance of our short-term FHLBC borrowings was $485.0 million as of June 30, 2023 and $90.0 million as of December 31, 2022; there were no short-term borrowings outstanding as of June 30, 2022.

​

We are also indebted on $25.8 million, net of deferred issuance costs, of junior subordinated debentures, which are related to the trust preferred securities issued by its statutory trust subsidiary, Old Second Capital Trust II (“Trust II”). The Trust II issuance converted from fixed to floating rate at three month LIBOR plus 150 basis points on June 15, 2017. Upon conversion to a floating rate, we initiated a cash flow hedge which resulted in the total interest rate paid on this debt of 4.38% as of June 30, 2023, as compared to 6.77%, which was the rate paid during the period prior to the June 15, 2017 rate reset.

​

In the second quarter of 2021, we entered into Subordinated Note Purchase Agreements with certain qualified institutional buyers pursuant to which we issued $60.0 million in aggregate principal amount of our 3.50% Fixed-to-Floating Rate Subordinated Notes due April 15, 2031 (the “Notes”). We sold the Notes to eligible purchasers in a private offering, and the proceeds of this issuance were used for general corporate purposes. The Notes bear interest at a fixed annual rate of 3.50% through April 14, 2026, payable semi-annually in arrears. As of April 15, 2026 forward, the interest rate on the Notes will generally reset quarterly to a rate equal to Three-Month Term SOFR (as defined by the Note) plus 273 basis points, payable quarterly in arrears. The Notes have a stated maturity of April 15, 2031, and are redeemable, in whole are in part, on April 15, 2026, or any interest payment date thereafter, and at any time upon the occurrence of certain events. As of June 30, 2023, we had $59.3 million of subordinated debentures outstanding, net of deferred issuance costs.

​

In December 2016, we completed a $45.0 million senior note issuance. The notes had a ten-year term, and included interest payable semiannually at 5.75% for five years. Beginning December 31, 2021, the interest became payable quarterly at three month LIBOR plus 385 basis points. On June 30, 2023 the senior notes were redeemed in full. The remaining balance of deferred debt issuance costs of $362,000 related to these senior notes was recognized as interest expense as of June 30, 2023.

​

On February 24, 2023, we paid off the remaining $9.0 million balance in notes payable and other borrowings, resulting in no balance in this line item as of June 30, 2023, compared to $9.0 million as of December 31, 2022, and $11.0 million as of June 30, 2022. The balance in notes payable was related to a $20.0 million dollar term note originated with a correspondent bank in the first quarter of 2020, to facilitate the redemption of our Old Second Capital Trust I trust preferred securities and related junior subordinated debentures, completed on March 2, 2020.

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​

Capital

​

As of June 30, 2023, total stockholders’ equity was $514.0 million, which was an increase of $52.9 million from $461.1 million as of December 31, 2022. This increase is primarily attributable to an increase in retained earnings of $44.7 million due to net income of $49.2 million in the first six months of 2023, partially offset by $4.5 million of dividends paid to our common stockholders. In addition, total stockholders’ equity as of June 30, 2023 increased over December 31, 2022, due to a reduction in unrealized net losses on available-for-sale securities, which decreased accumulated other comprehensive loss by $6.9 million in the first six months of 2023, due to changes in market interest rates. Total stockholders’ equity as of June 30, 2023 increased $65.1 million compared to June 30, 2022 due to net income year over year, less the increase in accumulated other comprehensive loss of $20.9 million year over year.

​

The following table shows the regulatory capital ratios and the current well capitalized regulatory requirements for the Company and the Bank as of the dates indicated:

​

​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Minimum Capital | ​ | Well Capitalized | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Adequacy with | ​ | Under Prompt | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Capital Conservation | ​ | ​ | Corrective Action | ​ | June 30, | ​ | December 31, | ​ | June 30,
​ | ​ | Buffer, if applicable1 | ​ | Provisions2 | ​ | 2023 | ​ | 2022 | ​ | 2022
The Company | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Common equity tier 1 capital ratio | ​ | 7.00 | % | ​ | N/A | ​ | ​ | 10.29 | % | ​ | 9.67 | % | ​ | 9.35 | %
Total risk-based capital ratio | ​ | 10.50 | % | ​ | N/A | ​ | ​ | 13.16 | % | ​ | 12.52 | % | ​ | 12.27 | %
Tier 1 risk-based capital ratio | ​ | 8.50 | % | ​ | N/A | ​ | ​ | 10.80 | % | ​ | 10.20 | % | ​ | 9.91 | %
Tier 1 leverage ratio | ​ | 4.00 | % | ​ | N/A | ​ | ​ | 8.96 | % | ​ | 8.14 | % | ​ | 7.24 | %
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
The Bank | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Common equity tier 1 capital ratio | ​ | 7.00 | % | ​ | 6.50 | % | ​ | 11.70 | % | ​ | 11.70 | % | ​ | 12.24 | %
Total risk-based capital ratio | ​ | 10.50 | % | ​ | 10.00 | % | ​ | 12.83 | % | ​ | 12.75 | % | ​ | 13.25 | %
Tier 1 risk-based capital ratio | ​ | 8.50 | % | ​ | 8.00 | % | ​ | 11.70 | % | ​ | 11.70 | % | ​ | 12.24 | %
Tier 1 leverage ratio | ​ | 4.00 | % | ​ | 5.00 | % | ​ | 9.70 | % | ​ | 9.32 | % | ​ | 8.94 | %

​

1 Amounts are shown inclusive of a capital conservation buffer of 2.50%.

2 The prompt corrective action provisions are only applicable at the Bank level.

​

As part of its response to the impact of the COVID-19 pandemic, in the first quarter of 2020, U.S. federal regulatory authorities issued an interim final rule that provided banking organizations that adopted CECL during the 2020 calendar year with the option to delay for two years the estimated impact of CECL on regulatory capital relative to regulatory capital determined under the prior incurred loss methodology, followed by a three-year transition period to phase out the aggregate amount of the capital benefit provided during the initial two-year delay (i.e., a five-year transition in total). In connection with our adoption of CECL on January 1, 2020, we elected to utilize the five-year CECL transition. As of June 30, 2023, our capital measures exclude $1.9 million, which is the modified CECL transition adjustment.

​

As of June 30, 2023, the Company, on a consolidated basis, exceeded the minimum capital ratios to be deemed “well capitalized” and met the capital conservation buffer requirements. In addition to the above regulatory ratios, our GAAP common equity to total assets ratio, which is used as a performance measurement for capital analysis and peer comparisons, increased from 7.83% at December 31, 2022, to 8.73% at June 30, 2023. Our GAAP tangible common equity to tangible assets ratio was 7.17% at June 30, 2023, compared to 6.24% as of December 31, 2022. Our non-GAAP tangible common equity to tangible assets ratio, which management also considers a valuable performance measurement for capital analysis, increased from 6.28% at December 31, 2022, to 7.21% at June 30, 2023, primarily due to an increase in tangible common equity in the second quarter of 2023. The increase in tangible common equity was due to an increase in retained earnings of $44.7 million and a decrease in accumulated other comprehensive loss of $6.9 million primarily related to a decline in unrealized losses on available-for-sale securities stemming from the changes in market interest rates.

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​

​

​

Reconciliation of Tangible Common Equity to Tangible Assets Ratio Non-GAAP Measure

​

​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | June 30, 2023 | ​ | ​ | December 31, 2022 | ​
Tangible common equity | GAAP | ​ | ​ | Non-GAAP | ​ | ​ | GAAP | ​ | ​ | Non-GAAP | ​
(Dollars in thousands) | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Total Equity | $ | 513,955 | ​ | ​ | $ | 513,955 | ​ | ​ | $ | 461,141 | ​ | ​ | $ | 461,141 | ​
Less: Goodwill and intangible assets | ​ | 98,914 | ​ | ​ | ​ | 98,914 | ​ | ​ | ​ | 100,156 | ​ | ​ | ​ | 100,156 | ​
Add: Limitation of exclusion of core deposit intangible (80%) | ​ | N/A | ​ | ​ | ​ | 2,487 | ​ | ​ | ​ | N/A | ​ | ​ | ​ | 2,736 | ​
Adjusted goodwill and intangible assets | ​ | 98,914 | ​ | ​ | ​ | 96,427 | ​ | ​ | ​ | 100,156 | ​ | ​ | ​ | 97,420 | ​
Tangible common equity | $ | 415,041 | ​ | ​ | $ | 417,528 | ​ | ​ | $ | 360,985 | ​ | ​ | $ | 363,721 | ​
Tangible assets | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Total assets | $ | 5,883,942 | ​ | ​ | $ | 5,883,942 | ​ | ​ | $ | 5,888,317 | ​ | ​ | $ | 5,888,317 | ​
Less: Adjusted goodwill and intangible assets | ​ | 98,914 | ​ | ​ | ​ | 96,427 | ​ | ​ | ​ | 100,156 | ​ | ​ | ​ | 97,420 | ​
Tangible assets | $ | 5,785,028 | ​ | ​ | $ | 5,787,515 | ​ | ​ | $ | 5,788,161 | ​ | ​ | $ | 5,790,897 | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Common equity to total assets | ​ | 8.73 | % | ​ | ​ | 8.73 | % | ​ | ​ | 7.83 | % | ​ | ​ | 7.83 | %
Tangible common equity to tangible assets | ​ | 7.17 | % | ​ | ​ | 7.21 | % | ​ | ​ | 6.24 | % | ​ | ​ | 6.28 | %

​

The non-GAAP intangible asset exclusion reflects the 80% core deposit limitation per Basel III guidelines within risk based capital calculations, and is useful for us when reviewing risk based capital ratios and equity performance metrics.

​

​

Liquidity

​

Liquidity is our ability to fund operations, to meet depositor withdrawals, to provide for customers’ credit needs, and to meet maturing obligations and existing commitments. Our liquidity principally depends on our cash flows from operating activities, investment in and maturity of assets, changes in balances of deposits and borrowings, and our ability to borrow funds. In the second quarter of 2023, we continued to experience loan growth, while deposits have trended down as clients moved balances to pursue higher yields as well as due to seasonal declines. We managed the change in our funding through borrowing from the Federal Home Loan Bank of Chicago (“FHLBC”) and sales of securities, which resulted in minimal losses and mitigated our interest rate risk profile. The bank failures in the first five months of 2023 exemplify the potentially serious results of the unexpected inability of insured depository institutions to obtain needed liquidity to satisfy deposit withdrawal requests, including how quickly such requests can accelerate once uninsured depositors lose confidence in an institution’s ability to satisfy its obligations to depositors. We seek to ensure our funding needs are met by maintaining a level of liquidity through asset and liability management. We monitor our borrowing capacity at the FHLBC as part of our liquidity management process as supervised by our Asset and Liability Committee (“ALCO”) and reviewed by our Board of Directors. In addition, our senior management team monitors cash balances daily to ensure we have adequate liquidity to meet our operational and financing needs. As of June 30, 2023, our cash on hand liquidity totaled $112.6 million, a decrease of $2.6 million over cash balances held as of December 31, 2022.

​

Net cash inflows from operating activities were $5.6 million during the first six months of 2023, compared with net cash inflows of $27.1 million in the same period of 2022. Proceeds from sales of loans held-for-sale, net of funds used to originate loans held-for-sale, were a source of outflows for the first six months of 2023 compared to a source of inflows for the like period of 2022. Interest paid, net of interest received, combined with changes in other assets and liabilities were a source of outflows for the six months ended June 30, 2023 and for the like period of 2022. The management of investing and financing activities, as well as market conditions, determines the level and the stability of net interest cash flows. Management’s policy is to mitigate the impact of changes in market interest rates to the extent possible, as part of the balance sheet management process.

​

Net cash inflows from investing activities were $49.0 million in the six months ended June 30, 2023, compared to net cash outflows of $349.7 million in the same period in 2022. In the first six months of 2023, securities transactions accounted for net inflows of $210.0 million, and the principal change on loans accounted for net outflows of $144.0 million. In the first six months of 2022, securities transactions accounted for net outflows of $149.4 million, and principal on loans funded, net of paydowns, accounted for net outflows of $200.0 million.

​

Net cash outflows from financing activities in the six months ended June 30, 2023, were $57.1 million, compared with net cash outflows of $148.2 million in the six months ended June 30, 2022. Net deposit outflows in the first six months of 2023 were $392.4 million

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compared to net deposit outflows of $122.6 million in the first six months of 2022. Other short-term borrowings had $395.0 million of net cash inflows in the first six months of 2023, compared to no cash inflows or outflows for other short-term borrowings in the first six months of 2022. Changes in securities sold under repurchase agreements accounted for outflows of $624,000 and outflows of $12.7 million for the six months ended June 30, 2023 and 2022, respectively. Dividends paid on our common stock totaled $4.5 million in the six months ended June 30, 2023, compared to dividends paid of $4.4 million for the like 2022 period. The purchase of treasury stock in the first six months of 2023 due to shares acquired with equity award vestings resulted in outflows of $605,000, compared to cash outflows of $400,000 in the first six months of 2022.

​

Cash and cash equivalents for the six months ended June 30, 2023, totaled $112.6 million, as compared to $115.2 million as of December 31, 2022 and $281.3 million as of June 30, 2022. The decrease in cash and cash equivalents for the six months ended June 30, 2023 was mainly attributable to loan growth and the payoffs of the remaining balance of the term note and senior notes, as well as seasonal deposit outflows, partially offset by security sales and FHLB advances during the first six months of 2023. The year over year decrease is again driven by loan growth, as well as increased customer use of deposits. In addition to cash and cash equivalents on hand or held as deposits with other financial institutions, we rely on funding sources from customer deposits, cash flows from securities available-for-sale and loans, and a line of credit with the FHLBC to meet potential liquidity needs. These sources of liquidity are immediately available to satisfy any funding requirements due to depositor or borrower demands through the ordinary course of our business. Additional sources of funding include a $30.0 million undrawn line of credit held by the Company with a third party financial institution, as well as unpledged securities available-for-sale.

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Item 3. Quantitative and Qualitative Disclosures about Market Risk

​

Interest Rate Risk

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As part of our normal operations, we are subject to interest-rate risk on the assets we invest in (primarily loans and securities) and the liabilities we fund (primarily customer deposits and borrowed funds). Fluctuations in interest rates may result in changes in the fair market values of our financial instruments, cash flows, and net interest income. Like most financial institutions, we have an exposure to changes in both short-term and long-term interest rates.

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The Federal Reserve slowed its pace of aggressive rate hikes in the second quarter of 2023. The Federal Reserve took a pause at its June 2023 meeting and have implemented a 0.25% hike at the July 2023 meeting, reaching a federal funds rate of 5.25%. The forward curve has shifted out from prior quarter expectations, as current indications reach a peak in July with flat rates through the remainder of 2023. The curve also priced in interest rate cuts in 2024, in anticipation of an economic slowdown. The Federal Reserve’s objective of shrinking its balance sheet has been slower than planned due to slower prepayments on mortgage-backed securities from the lack of refinancing activity, its balance sheet remains large at $8.3 trillion.

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We manage interest rate risk within guidelines established by policy which are intended to limit the amount of rate exposure. In practice, we seek to manage our interest rate risk exposure within our guidelines so that such exposure does not pose a material risk to our future earnings. We manage various market risks in the normal course of our operations, including credit, liquidity risk, and interest-rate risk. Other types of market risk, such as foreign currency exchange risk and commodity price risk, do not arise in the normal course of our business activities and operations. In addition, since we do not hold a trading portfolio, we are not exposed to significant market risk from trading activities. Our interest rate risk exposures at June 30, 2023 and December 31, 2022 are outlined in the table below.

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Our net income can be significantly influenced by a variety of external factors, including: overall economic conditions, policies and actions of regulatory authorities, the amounts of and rates at which assets and liabilities reprice, variances in prepayment of loans and securities other than those that are assumed, early withdrawal of deposits, exercise of call options on borrowings or securities, competition, a general rise or decline in interest rates, changes in the slope of the yield-curve, changes in historical relationships between indices (such as SOFR and prime), and balance sheet growth or contraction. Our asset-liability committee seeks to manage interest rate risk under a variety of rate environments by structuring our on-balance sheet and off-balance sheet positions, which includes interest rate swap derivatives as discussed in Note 19 of our consolidated financial statements found in in our Annual Report on Form 10-K for the year ended December 31, 2022. We seek to monitor and manage interest rate risk within approved policy guidelines and limits. Asset and liability modeling and tracking is performed and presented to the asset-liability committee and the Board of Directors no less than quarterly. The presentations discuss our current and historical interest rate risk posture, shifts in the balance sheet mix, and the impact of interest rate movements on earnings and equity. Our current balance sheet is a moderately asset sensitive profile, as our variable rate assets reprice faster than our longer duration, low beta deposit base. Recent market events of failed liquidity management at other banks have been reviewed by the asset-liability committee. The committee concluded that we continue to possess a strong liquidity profile and no new liquidity risks were identified. Prudently, we added new measures to assess liquidity risk and enhanced our reports to segment deposits by insured, uninsured, and collateralized deposits. Additionally, we monitor the bank’s funding sources and uses on a regular basis.

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We also have a Risk Committee, chaired by our Chief Risk Officer, which reports no less than quarterly to senior management as well as our Board of Directors regarding compliance with risk tolerance limits, key risk factor changes, both internally and externally, due to portfolio changes as well as market conditions. Our enterprise risk management framework is governed by this committee, with input being provided by line of business managers, senior management and the Board.

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We use simulation analysis to quantify the impact of various rate scenarios on our net interest income. Specific cash flows, repricing characteristics, and embedded options of the assets and liabilities held by us are incorporated into the simulation model. Earnings at risk are calculated by comparing the net interest income of a stable interest rate environment to the net interest income of a different interest rate environment in order to determine the percentage change. As of June 30, 2023, our net interest income profile remained sensitive to earnings gains (in both dollars and percentage) should interest rates rise. However, we continue to have a less sensitive profile relative to December 31, 2022 due to the impact of interest rate swaps and sales of variable rate securities.

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The following table summarizes the effect on annual income before income taxes based upon an immediate increase or decrease in interest rates of 0.5%, 1.0%, and 2.0%, with no change in the slope of the yield curve.

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​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Analysis of Net Interest Income Sensitivity
​ | ​ | Immediate Changes in Rates
(Dollars in thousands) | ​ |  | (2.0) | % | ​ |  | (1.0) | % |  |  | (0.5) | % |  |  | 0.5 | % |  |  | 1.0 | % |  |  | 2.0 | %
June 30, 2023 | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Dollar change | ​ | $ | (37,532) | ​ | ​ | $ | (18,699) | ​ | ​ | $ | (9,266) | ​ | ​ | $ | 9,366 | ​ | ​ | $ | 18,873 | ​ | ​ | $ | 37,228 | ​
Percent change | ​ | ​ | (15.0) | % | ​ | ​ | (7.5) | % | ​ | ​ | (3.7) | % | ​ | ​ | 3.7 | % | ​ | ​ | 7.5 | % | ​ | ​ | 14.9 | %
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
December 31, 2022 | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Dollar change | ​ | $ | (46,800) | ​ | ​ | $ | (22,963) | ​ | ​ | $ | (11,327) | ​ | ​ | $ | 11,278 | ​ | ​ | $ | 22,593 | ​ | ​ | $ | 44,482 | ​
Percent change | ​ | ​ | (18.2) | % | ​ | ​ | (8.9) | % | ​ | ​ | (4.4) | % | ​ | ​ | 4.4 | % | ​ | ​ | 8.8 | % | ​ | ​ | 17.3 | %

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The amounts and assumptions used in the simulation model should not be viewed as indicative of expected actual results. Actual results will differ from simulated results due to timing, magnitude and frequency of interest rate changes as well as changes in market conditions and management strategies. The above results do not take into account any management action to mitigate potential risk.

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Effects of Inflation

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In management’s opinion, although changes in interest rates affect our financial condition to a far greater degree than changes in the inflation rate, we monitor both. The annual US inflation rate slowed to 3.0% relative to a peak of 9.1% in the year-over-year period ended June 30, 2022. Management believes the inflation rate will continue to notch down, albeit at a much slower rate than the first half of 2023. The downside risks of high inflation put upwards pressure to our expenses, which could impact our profits. Furthermore, higher costs of living weaken the financial condition of our borrowers which could affect our credit profile. A financial institution’s ability to be relatively unaffected by changes in interest rates is a good indicator of its capability to perform in a volatile rate environment. We seek to mitigate the impact of interest rate volatility to the Bank by managing rate sensitive of both assets and liabilities respond to changes in interest rates in a similar time frame and to a similar degree. Overall, we expect the risk of high inflation has been contained with minimal impact to our results.

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Item 4. Controls and Procedures

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Evaluation of Disclosure Controls and Procedures

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The Chief Executive Officer and Chief Financial Officer have evaluated the effectiveness of the design and operation of the Company’s disclosure controls and procedures, as defined in Rule 13a-15(e) promulgated under the Securities and Exchange Act of 1934, as amended, as of June 30, 2023. Based on that evaluation, the Chief Executive Officer and Chief Financial Officer concluded that as of June 30, 2023, the Company’s internal controls were effective to ensure that information required to be disclosed by the Company in reports that it files or submits under the Securities and Exchange Act of 1934 is recorded, processed, summarized, and reported within the time periods specified.

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There were no changes in the Company’s internal controls over financial reporting during the quarter ended June 30, 2023, that have materially affected, or are reasonably likely to materially affect, the Company’s internal control over financial reporting.

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The design of any system of controls and procedures is based in part upon certain assumptions about the likelihood of future events. There can be no assurance that any design will succeed in achieving its stated goals under all potential future conditions, regardless of how remote.

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PART II - OTHER INFORMATION

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Item 1. Legal Proceedings

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The Company and its subsidiaries, from time to time, are involved in collection suits in the ordinary course of business against its debtors and are defendants in legal actions arising from normal business activities. Management, after consultation with legal counsel, believes that the ultimate liabilities, if any, resulting from these actions will not have a material adverse effect on the financial position of the Bank or on the consolidated financial position of the Company.

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Item 1.A. Risk Factors

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Investing in shares of our common stock involves certain risks, including those identified and described in Item 1A of our Annual Report on Form 10-K for the fiscal year ended December 31, 2022, as well as cautionary statements contained in this Quarterly Report, on Form 10-Q, including those under the caption “Cautionary Note Regarding Forward-Looking Statements.”

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There have been no material changes to the risk factors previously disclosed in the Company’s (i) Annual Report on Form 10-K for the fiscal year ended December 31, 2022 and (ii) Quarterly Report on Form 10-Q for the fiscal quarter ended March 31, 2023.

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Item 2. Unregistered Sales of Equity Securities and Use of Proceeds

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None.

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Item 3. Defaults Upon Senior Securities

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None.

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Item 4. Mine Safety Disclosures

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Not applicable

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Item 5. Other Information

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N o n e.

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Item 6. Exhibits

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Exhibits:

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31.1 | Certification of Chief Executive Officer Pursuant to Rule 13a-14(a)/15d-14(a).
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31.2 | Certification of Chief Financial Officer Pursuant to Rule 13a-14(a)/15d-14(a).
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32.1 | Certification of Chief Executive Officer Pursuant to 18 U.S.C. Section 1350, as Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
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32.2 | Certification of Chief Financial Officer Pursuant to 18 U.S.C. Section 1350, as Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
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101 | Interactive data files pursuant to Rule 405 of Regulation S-T: (i) Consolidated Balance Sheets at June 30, 2023 and December 31, 2022; (ii) Consolidated Statements of Income for the three and six months ended June 30, 2023 and 2022; (iii) Consolidated Statements of Comprehensive Income (Loss) for the three and six months ended June 30, 2023 and 2022; (iv) Consolidated Statements of Cash Flows for the six months ended June 30, 2023 and 2022; (v) Consolidated Statements of Stockholders’ Equity for the three and six months ended June 30, 2023 and 2022; and (vi) Notes to Consolidated Financial Statements, tagged as blocks of text and in detail.
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104 | Cover Page Interactive Data File (the cover page XBRL tags are embedded within the Inline XBRL document).
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SIGNATURES

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Pursuant to the requirements of the Securities and Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

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​ | ​ | ​ | ​
​ | OLD SECOND BANCORP, INC.
​ | ​
​ | ​
​ | BY: | /s/ James L. Eccher
​ | ​ | James L. Eccher
​ | ​ | Chairman and Chief Executive Officer
​ | ​ | (principal executive officer)
​ | ​
​ | ​
​ | BY: | /s/ Bradley S. Adams
​ | ​ | Bradley S. Adams
​ | ​ | Executive Vice President and Chief Financial Officer
​ | ​ | (principal financial and accounting officer)
​ | ​
​ | ​
DATE: August 8, 2023 | ​

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