S-3 S-3ASR EX-FILING FEES 0000357173 OLD SECOND BANCORP INC N/A N/A 0000357173 2026-08-13 2026-08-13 0000357173 1 2026-08-13 2026-08-13 0000357173 2 2026-08-13 2026-08-13 0000357173 3 2026-08-13 2026-08-13 0000357173 4 2026-08-13 2026-08-13 0000357173 5 2026-08-13 2026-08-13 0000357173 6 2026-08-13 2026-08-13 0000357173 7 2026-08-13 2026-08-13 0000357173 8 2026-08-13 2026-08-13 0000357173 9 2026-08-13 2026-08-13 0000357173 10 2026-08-13 2026-08-13 0000357173 11 2026-08-13 2026-08-13 0000357173 12 2026-08-13 2026-08-13 0000357173 13 2026-08-13 2026-08-13 0000357173 14 2026-08-13 2026-08-13 0000357173 15 2026-08-13 2026-08-13 0000357173 16 2026-08-13 2026-08-13 0000357173 17 2026-08-13 2026-08-13 0000357173 18 2026-08-13 2026-08-13 0000357173 19 2026-08-13 2026-08-13 iso4217:USD xbrli:pure xbrli:shares

Calculation of Filing Fee Tables

S-3

OLD SECOND BANCORP INC

Table 1: Newly Registered and Carry Forward Securities ☐Not Applicable

Security Type

Security Class Title

Fee Calculation or Carry Forward Rule

Amount Registered

Proposed Maximum Offering Price Per Unit

Maximum Aggregate Offering Price

Fee Rate

Amount of Registration Fee

Carry Forward Form Type

Carry Forward File Number

Carry Forward Initial Effective Date

Filing Fee Previously Paid in Connection with Unsold Securities to be Carried Forward

Newly Registered Securities
Fees to be Paid 1 Equity Common Stock, par value $1.00 per share 457(r) 0.0001381
Fees to be Paid 2 Equity Preferred Stock, par value $1.00 per share 457(r) 0.0001381
Fees to be Paid 3 Equity Depositary Shares 457(r) 0.0001381
Fees to be Paid 4 Debt Debt Securities 457(r) 0.0001381
Fees to be Paid 5 Other Stock Purchase Contracts 457(r) 0.0001381
Fees to be Paid 6 Other Stock Purchase Units 457(r) 0.0001381
Fees to be Paid 7 Other Warrants 457(r) 0.0001381
Fees to be Paid 8 Other Subscription Rights 457(r) 0.0001381
Fees to be Paid 9 Other Units 457(r) 0.0001381
Fees Previously Paid
Carry Forward Securities
Carry Forward Securities Equity Common Stock, par value $1.00 per share 415(a)(6) S-3 333-274068 08/28/2023
Carry Forward Securities Equity Preferred Stock, par value $1.00 per share 415(a)(6) S-3 333-274068 08/28/2023
Carry Forward Securities Equity Depositary Shares 415(a)(6) S-3 333-274068 08/28/2023
Carry Forward Securities Debt Debt Securities 415(a)(6) S-3 333-274068 08/28/2023
Carry Forward Securities Other Stock Purchase Contracts 415(a)(6) S-3 333-274068 08/28/2023
Carry Forward Securities Other Stock Purchase Units 415(a)(6) S-3 333-274068 08/28/2023
Carry Forward Securities Other Warrants 415(a)(6) S-3 333-274068 08/28/2023
Carry Forward Securities Other Subscription Rights 415(a)(6) S-3 333-274068 08/28/2023
Carry Forward Securities Other Units 415(a)(6) S-3 333-274068 08/28/2023
Carry Forward Securities 10 Unallocated (Universal) Shelf 415(a)(6) $ 200,000,000.00 S-3 333-274068 08/28/2023 $ 22,040.00

Total Offering Amounts:

$ 200,000,000.00

$ 0.00

Total Fees Previously Paid:

$ 0.00

Total Fee Offsets:

$ 0.00

Net Fee Due:

$ 0.00

Offering Note

1

The securities covered by this registration statement may be sold or otherwise distributed separately, together or as units with other securities covered by this registration statement. In accordance with Rules 456(b) and 457(r) under the Securities Act, the Registrant is deferring payment of all registration fees relating to newly registered securities. In connection with securities offered hereby, the Registrant will pay registration fees on a "pay-as-you-go" basis in accordance with Rule 456(b), calculated using the fee payment rate in effect on the date of payment. An unspecified aggregate initial offering price or number of the securities of each identified class is being registered as may from time to time be offered at unspecified prices by the Registrant. Separate consideration may or may not be received for securities that are issuable upon exercise, settlement, conversion or exchange of other securities or that are issued in units with other securities registered hereunder. In addition, pursuant to Rule 416(a) under the Securities Act, this registration statement covers any additional securities that may be offered or issued in connection with any stock split, stock dividend or other similar transaction.

2

See Note (1).

3

See Note (1).

4

See Note (1). This registration statement covers senior and subordinated debt securities.

5

See Note (1).

6

See Note (1).

7

See Note (1).

8

See Note (1).

9

See Note (1).

10

Pursuant to Rule 415(a)(6) under the Securities Act, this registration statement includes securities having a maximum aggregate offering price of $200,000,000 that were previously registered and remain unsold under the Registrant's Registration Statement on Form S-3 (File No. 333-274068), initially filed on August 18, 2023 and declared effective on August 28, 2023 (the "Prior Registration Statement") (the "Carry Forward Securities"). No securities were sold pursuant to the Prior Registration Statement. The $22,040 filing fee previously paid with respect to the Carry Forward Securities is being carried forward to this registration statement and will continue to be applied to the Carry Forward Securities. Accordingly, no additional filing fee is due with respect to the Carry Forward Securities. Pursuant to Rule 415(a)(6), the offering of the Carry Forward Securities under the Prior Registration Statement will be deemed terminated as of the effectiveness of this registration statement.

Table 2: Fee Offset Claims and Sources ☑Not Applicable
Registrant or Filer Name Form or Filing Type File Number Initial Filing Date Filing Date Fee Offset Claimed Security Type Associated with Fee Offset Claimed Security Title Associated with Fee Offset Claimed Unsold Securities Associated with Fee Offset Claimed Unsold Aggregate Offering Amount Associated with Fee Offset Claimed Fee Paid with Fee Offset Source
Rules 457(b) and 0-11(a)(2)
Fee Offset Claims
Fee Offset Sources
Rule 457(p)
Fee Offset Claims
Fee Offset Sources
Table 3: Combined Prospectuses ☑Not Applicable

Security Type

Security Class Title

Amount of Securities Previously Registered

Maximum Aggregate Offering Price of Securities Previously Registered

Form Type

File Number

Initial Effective Date