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BDI
OS

Old Second National Bank

Aurora, IllinoisFDIC Cert #3603

OCCEstablished 188759 branches

Holding company: OLD SECOND BCORP INCRegulator: OCC

FDICCERT + OFFDOM

Portfolio mix & concentration

Loans

The composition, growth, and concentration of the loan book using reported Call Report categories.

As of Q1 2026

Portfolio composition

Loan mix

Chart mode
Time range
Loan categories
Latest reported loan balances by category
CategoryBalance
Owner CRE$693M
Investor CRE$1.17B
Multifamily$356M
Construction$144M
1–4 family$551M
C&I$1.09B
Agriculture$12.9M
Other$1.18B

Loan book

Reported balances and balance-sheet intensity.

Gross loans
$5.19B
+31.6%y/y
Percentile by value80th percentileby value
Peer standing in FFIEC UBPR Peer Group 3 — Insured commercial banks having assets between $3 billion and $10 billion
FDICLNLSGR
Net loans
$5.12B
+31.1%y/y
Percentile by value80th percentileby value
Peer standing in FFIEC UBPR Peer Group 3 — Insured commercial banks having assets between $3 billion and $10 billion
FDICLNLSNET
Loans YoY
+31.12%
+5,302.4%y/y
Percentile by value95th percentileby value
Peer standing in FFIEC UBPR Peer Group 3 — Insured commercial banks having assets between $3 billion and $10 billion
FDICLNLSNET
L/D
91.4%
+15.3%y/y
Percentile by value68th percentileby value
Peer standing in FFIEC UBPR Peer Group 3 — Insured commercial banks having assets between $3 billion and $10 billion
FDICLNLSNET + DEP
Loans/assets
74.7%
+9.7%y/y
Percentile by value57th percentileby value
Peer standing in FFIEC UBPR Peer Group 3 — Insured commercial banks having assets between $3 billion and $10 billion
FDICLNLSNET + ASSET
RE loans %
60.70%
−14.1%y/y
Percentile by value20th percentileby value
Peer standing in FFIEC UBPR Peer Group 3 — Insured commercial banks having assets between $3 billion and $10 billion
FDICLNRE + LNLSGR

Concentration

Portfolio concentration relative to loans and risk-based capital.

CRE/capital
190%
−22.2%y/y
Percentile by value31st percentileby value
Peer standing in FFIEC UBPR Peer Group 3 — Insured commercial banks having assets between $3 billion and $10 billion

Dashed line: interagency cre supervisory criterion, a screening reference—not a limit or violation.

FDICLNRENROT + LNREMULT + LNRECONS + RBC
Construction/capital
16%
−46.3%y/y
Percentile by value14th percentileby value
Peer standing in FFIEC UBPR Peer Group 3 — Insured commercial banks having assets between $3 billion and $10 billion

Dashed line: interagency construction supervisory criterion, a screening reference—not a limit or violation.

FDICLNRECONS + RBC
Loan HHI
1,312points
−28.9%y/y
Peer standing89th percentile
Peer standing in FFIEC UBPR Peer Group 3 — Insured commercial banks having assets between $3 billion and $10 billion
FDICLNRENROW + LNRENROT + LNREMULT + LNRECONS + LNRERES + LNCI + LNAG + LNCRCD
Owner CRE %
13.35%
−20.0%y/y
Percentile by value60th percentileby value
Peer standing in FFIEC UBPR Peer Group 3 — Insured commercial banks having assets between $3 billion and $10 billion
FDICLNRENROW + LNLSGR
Investor CRE %
22.52%
−19.6%y/y
Percentile by value58th percentileby value
Peer standing in FFIEC UBPR Peer Group 3 — Insured commercial banks having assets between $3 billion and $10 billion
FDICLNRENROT + LNLSGR
C&I %
20.99%
−13.4%y/y
Percentile by value72nd percentileby value
Peer standing in FFIEC UBPR Peer Group 3 — Insured commercial banks having assets between $3 billion and $10 billion
FDICLNCI + LNLSGR