Company: OSBC
Filing Date: 2025-05-08
Form Type: 424B3
Source: 0001104659-25-046065
Chunk: 383

Company: OLD SECOND BANCORP INC
Filing Date: 2025-05-08
Form: 424B3
Chunk 383
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 shall be governed and interpreted by the applicable plan documents or written policies. Nothing in this Agreement guarantees the Executive the right to participate in any of the Company’s or the Bank’s currently sponsored benefit plans or prevents the Company or the Bank from exercising its right to terminate or amend those plans or offerings in the future.

b. Car Allowance. The Company will provide the Executive during the Term with a car allowance equal to $1,000 per month to offset the cost of a vehicle and its insurance, maintenance and repairs. Such car allowance will be paid in accordance with the payment policy and payroll process established by the Company from time to time and will be taxed and reported consistent with the Company’s normal policies and practices.

c. Club Dues . The Company will pay or the Executive shall be reimbursed for up to $36,000 per year for the membership dues and assessments which are incurred and payable during the Term for a country club in the Chicago area. To the extent that timing is ambiguous, such payments or reimbursements shall be made in all events not more than thirty (30) days after the Executive’s submission of the invoice or proof of payment (as applicable) for the expense, which shall be submitted to the Company within sixty (60) days after such invoice is received or expense is paid by the Executive (as applicable). The Company will tax and report such dues consistent with the Company’s normal policies and practices.

d. Business Expenses . The Company will reimburse Executive, upon submission of appropriate vouchers and supporting documentation, for all travel, entertainment and other out-of-pocket expenses reasonably and necessarily incurred by Executive in the performance of his duties hereunder, consistent

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with the Company’s established policies in that regard, as may be in effect from time to time; provided, however, transportation, lodging or similar expenses for travel from Executive’s home or other remote work location to Executive’s primary work location shall be borne exclusively by Executive.

5.

#### Equity Awards.
The Executive will be eligible to receive annual equity grants under the Company’s long-term incentive plan with a target value of thirty percent (30%) of his base salary, to the extent such awards are approved for similarly-situated executives of the Company. The amount of such equity awards and the form and terms and conditions thereof shall be determined by the Company on the same basis as such determinations are made with respect to similarly-situated executives of the Company.

### COVENANTS OF THE EXECUT