Table of Contents 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 March 31, 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) of incorporation or organization) Delaware 36-3143493 (State or ...

Old Second Bancorp, Inc. (NASDAQ:OSBC) Q1 2023 Earnings Conference Call April 20, 2023 11:00 AM ET Company Participants Jim Eccher - Chairman, President, & CEO Brad Adams - CFO Gary Collins - Vice Chairman Conference Call Participants Nathan Race - Piper Sandler Terry McEvoy - Stephens Nick Moutafakis - KBW Brian Martin - Janney Operator Good morning, everyone, and thank you for joining us today for Old Second Bancorp, Inc.'s First Quarter 2023 Earnings Call. On the call today is Jim Eccher, the Company's C ...

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-K ⌧ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2022 OR ◻ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 000-10537 (Exact name of registrant as specified in its charter) Delaware 36-3143493 (State of or other jurisdiction of incorporat ...

Old Second Bancorp, Inc. (NASDAQ:OSBC) Q4 2022 Earnings Conference Call January 26, 2023 11:00 AM ET Company Representatives Jim Eccher - Chief Executive Officer Brad Adams - Chief Financial Officer Gary Collins - Vice Chairman of the Board Conference Call Participants Jeff Rulis - D.A. Davidson Chris McGratty - KBW David Long - Raymond James Operator Good morning, everyone, and thank you for joining us today for Old Second Bancorp, Inc.'s Fourth Quarter 2022 Earnings Call. On the call today is Jim Eccher, ...

Old Second Bancorp, Inc. (NASDAQ:OSBC) Q3 2022 Earnings Conference Call October 27, 2022 11:00 AM ET Company Participants James Eccher - CEO Brad Adams - CFO Gary Collins - Vice Chairman Conference Call Participants David Long - Raymond James Chris McGratty - KBW Manuel Navas - D.A. Davidson Nathan Race - Piper Sandler Operator Good morning, everyone, and thank you for joining us today for Old Second Bancorp, Inc.'s Third Quarter 2022 Earnings Call. On the call today is Jim Eccher, the company's CEO; Gary C ...

Acquisition and Merger - The Company completed the acquisition of West Suburban Bancorp, Inc. on December 1, 2021, acquiring $2.94 billion in assets, $1.50 billion in loans, and $2.69 billion in deposits[37]. - The total merger consideration for the acquisition was $295.2 million, consisting of 15.7 million shares of common stock and $100.7 million in cash[39]. - Goodwill of $67.7 million was recorded from the acquisition, reflecting expected synergies and operational efficiencies[40]. - The Company recorded expenses related to the West Suburban acquisition totaling $3.3 million for the three months ended June 30, 2022, and $8.9 million for the six months ended June 30, 2022[43]. - The merger with West Suburban Bancorp, completed on December 1, 2021, involved total cash and stock consideration of approximately $295.2 million[153]. Financial Performance - For the three months ended June 30, 2022, net income was $12.247 million, resulting in basic earnings per share of $0.28, compared to $8.820 million and $0.30 for the same period in 2021[102]. - Net income for Q2 2022 was $12.2 million, or $0.27 per diluted share, compared to $8.8 million, or $0.30 per diluted share in Q2 2021, primarily due to the acquisition of West Suburban[164]. - Adjusted net income for Q2 2022 was $13.8 million, excluding merger-related costs, compared to $8.8 million in Q2 2021[166]. - Net interest and dividend income increased to $45.3 million in Q2 2022 from $22.0 million in Q2 2021, driven by the West Suburban acquisition[174]. - Noninterest income rose to $9.2 million in Q2 2022, a 16.3% increase from $7.9 million in Q2 2021, attributed to service charges and card-related income[167]. - Total noninterest income for the six months ended June 30, 2022, was $22,674, an increase of 18.0% compared to the same period in 2021[207]. Loan Portfolio and Credit Quality - The company reported a total loan portfolio of $3,625.1 million as of June 30, 2022, an increase from $3,420.8 million at December 31, 2021, representing a growth of approximately 6%[63]. - The allowance for credit losses on loans was $45.4 million as of June 30, 2022, compared to $44.3 million at December 31, 2021, indicating a slight increase in provisions[63]. - The company’s commercial real estate loans increased to $1,704.6 million as of June 30, 2022, from $1,531.8 million at December 31, 2021, reflecting a growth of approximately 11.3%[63]. - The total amount of loans classified as special mention, substandard, or doubtful is reviewed quarterly, indicating a proactive approach to credit risk management[72][73][74]. - The company’s credit quality indicators suggest a focus on loans with outstanding balances greater than $50,000, excluding homogeneous loans[72]. Securities and Investments - As of June 30, 2022, total securities available-for-sale amounted to $1,824.2 million, with a fair value of $1,734.4 million, reflecting unrealized losses of $90.8 million[52]. - The weighted average yield of total securities available-for-sale was 2.00% as of June 30, 2022[54]. - The fair value of U.S. Treasury securities was $214.8 million, with unrealized losses of $8.9 million as of June 30, 2022[52]. - The company experienced net realized losses of $33,000 on securities for the three months ended June 30, 2022[58]. - The total unrealized losses on securities available-for-sale were $90.8 million as of June 30, 2022, with 476 securities in an unrealized loss position[57]. Deposits and Borrowings - Total deposits amounted to $5,342,855 million as of June 30, 2022, a decrease from $5,466,232 million at December 31, 2021, representing a decline of 2.3%[86]. - Total borrowings decreased to $178,159 million as of June 30, 2022, from $198,876 million at December 31, 2021, indicating a reduction of 10.4%[87]. - The company had $44.5 million of senior notes outstanding as of June 30, 2022, with interest payable at a floating rate starting December 31, 2021[89]. Capital and Regulatory Compliance - The Bank's Tier 1 capital leverage ratio was 8.94% as of June 30, 2022, a decrease of 64 basis points from December 31, 2021, but still above the 8.00% objective[104]. - The Bank's total capital ratio was 13.25% at June 30, 2022, a decrease of 21 basis points from December 31, 2021, yet above the required 12.00%[104]. - The Company’s common equity tier 1 capital to risk-weighted assets ratio was 9.35% as of June 30, 2022, exceeding the minimum requirement of 7.00%[107]. - The Company exceeded the minimum thresholds to be considered "well capitalized" under current regulatory defined capital ratios as of June 30, 2022[106]. Noninterest Expenses - Noninterest expense increased by $15.8 million, or 74.0%, to $37.2 million in Q2 2022, mainly due to higher salaries and acquisition-related costs[167]. - Total noninterest expense for Q2 2022 was $37,249, a decrease of 2.6% from Q1 2022 but an increase of 74.1% from Q2 2021[211]. - Salaries and employee benefits increased by $8.4 million year-over-year in Q2 2022, primarily due to the acquisition of West Suburban[212]. - Computer and data processing expenses surged by $7.7 million, or 294.9%, mainly due to costs associated with operating multiple systems prior to conversion[218]. Interest Income and Margin - The yield on average loans increased to 4.37% in Q2 2022, compared to 4.34% in Q1 2022 and 4.33% in Q2 2021[183]. - Net interest margin (GAAP) increased by 31 basis points to 3.16% in Q2 2022, compared to 2.85% in Q1 2022, and increased by 28 basis points from 2.88% in Q2 2021[187]. - Net interest income (GAAP) for the second quarter of 2022 was $45,264, compared to $41,232 in the first quarter of 2022, reflecting a growth of 4.9%[197]. Tax and Efficiency Ratios - The effective tax rate was 26.6% in the second quarter of 2022, compared to 26.3% in the second quarter of 2021[221]. - The efficiency ratio (GAAP) improved to 67.07% in Q2 2022 from 72.70% in Q1 2022[209]. - The efficiency ratio (GAAP) improved to 69.81% for the six months ended June 30, 2022, compared to 66.21% for the same period in 2021[215].

Old Second Bancorp, Inc. (NASDAQ:OSBC) Q2 2022 Earnings Conference Call July 28, 2022 11:00 AM ET Company Participants Jim Eccher - Chief Executive Officer Brad Adams - Chief Financial Officer Gary Collins - Vice Chairman of the Board Conference Call Participants David Long - Raymond James Nathan Race - Piper Sandler Christopher McGratty - Keefe, Bruyette, & Woods Manuel Navas - D.A. Davidson Brian Martin - Janney Montgomery Scott LLC Operator Good morning, everyone, and thank you for joining us today fo ...

Table of Contents 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 March 31, 2022 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) of incorporation or organization) Indicate by check mark whether ...

Financial Data and Key Metrics Changes - Net income for Q1 2022 was $12 million or $0.27 per diluted share, adjusted net income excluding acquisition costs was $16.1 million or $0.36 per share [6] - Return on assets was 1.05%, return on tangible common equity was 16.97%, and the efficiency ratio was 61.38% [6] - Net interest income increased by $12.6 million from the previous quarter and $17.7 million from the same quarter last year [18] Business Line Data and Key Metrics Changes - Loan growth within legacy Old Second totaled $82 million in Q1 2022, with strong early indications for Q2 [11] - Over $300 million in loan originations occurred in Q1 2022, with a two-year average of $500 million in annual originations [8][11] - Noninterest income increased by $1.5 million due to MSR market gains and other service charges [25] Market Data and Key Metrics Changes - Nonperforming loans decreased by $6.7 million compared to the prior quarter, with total classified loans down by $8.1 million to $66.6 million [13][14] - The allowance for credit losses totaled $44.3 million, consistent with the previous quarter [14] Company Strategy and Development Direction - The company aims to build back towards an 80%-plus loan-to-deposit ratio to drive returns on equity [16] - Focus on deploying liquidity to leverage the quality of the deposit base and make prudent investments in the securities portfolio [16] - The company is optimistic about loan growth opportunities and is actively recruiting to enhance its sales team [22][32] Management's Comments on Operating Environment and Future Outlook - Management expressed cautious optimism regarding the economic environment, with expectations of improved credit metrics and loan growth [15][26] - The company is well-positioned to benefit from rising interest rates, which are expected to enhance profitability [31] - Management noted that the integration of West Suburban has been smooth, with no significant customer disruptions [7][32] Other Important Information - Total merger-related costs recorded in Q1 2022 were $5.6 million [15] - The company is experiencing wage inflation and challenges in hiring, but is managing expenses effectively [27] Q&A Session Summary Question: Balance sheet mix and liquidity management - Management indicated that they will be cautious with liquidity and not rush into significant investments [36][38] Question: Loan-to-deposit ratio target timeline - Management expects it to take over two years to reach an 80% loan-to-deposit ratio, barring significant macroeconomic changes [39] Question: Margin outlook with Fed rate increases - Management confirmed that each 25 basis point increase in Fed funds would benefit net interest income by $2 million to $3 million after tax [24][42] Question: Cost savings and reinvestment plans - Management stated that they expect to exceed cost-saving targets and will focus on branch rationalization [46][72] Question: Loan origination expectations for the year - Management is optimistic about reaching $800 million to $1 billion in loan originations by year-end [56] Question: Progress of the lending team and new hires - Management confirmed that the new lending team is producing well, particularly in commercial real estate and healthcare [65][68] Question: Tax rate expectations - Management indicated a tax rate expectation of around 25% moving forward [48]

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-K ⌧ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2021 OR ◻ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 000-10537 Delaware 36-3143493 (State of Incorporation) (IRS Employer Identification Number) 37 South River Street, Aurora, Illinoi ...