#://CNXTMeMBeRx — CORE-SYSTEM ALLOWANCE UPLIFTS ACROSS CNXT.
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GLEIF LEI · Issued securities

ISINs issued by OLD SECOND BANCORP, INC.

LEI 549300XVJC1MPUT81C04 · 5 ISINs linked to this LEI in GLEIF's ISIN-to-LEI file.

ISINs

ISINPrefixEdition
US6802771005 US 1-of-1 edition
US680277AB69 US 1-of-1 edition
US680277AC43 US 1-of-1 edition
US680277AD26 US 1-of-1 edition
US680277AE09 US 1-of-1 edition
End of list

Verbatim rows from GLEIF's ISIN-to-LEI relationship file (CC0) — the ANNA/GLEIF-published issuer correspondence, not an inference. Identity links only; no valuation is stated or implied. Complete refresh: 2026-11-03. Machine read: JSON.

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