Company: WTFCN
Filing Date: 2025-08-06
Form Type: 10-Q
Source: 0001015328-25-000188
Chunk: 100

Company: WINTRUST FINANCIAL CORP
Filing Date: 2025-08-06
Form: 10-Q
Item: Item 1
Chunk 100
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ables and trading account securities.

(5)Loans, net of unearned income, include nonaccrual loans.

(6)Interest rate spread is the difference between the yield earned on earning assets and the rate paid on interest-bearing liabilities.

(7)Net free funds are the difference between total average earning assets and total average interest-bearing liabilities. The estimated contribution to net interest margin from net free funds is calculated using the rate paid for total interest-bearing liabilities.

(8)See “Supplemental Non-GAAP Financial Measures/Ratios” for additional information on this performance ratio.

56

Analysis of Changes in Net Interest Income on a FTE basis (non-GAAP)

The following table presents an analysis of the changes in the Company’s net interest income on a FTE basis (non-GAAP) comparing the three month ended June 30, 2025 to each of the three month periods ended March 31, 2025 and June 30, 2024 and six month periods ended June 30, 2025 and 2024. The reconciliations set forth the changes in the net interest income on a FTE basis (non-GAAP) as a result of changes in volumes, changes in rates and differing number of days in each period:

Second Quarter of 2025Compared toFirst Quarter of 2025Second Quarter of 2025Compared to Second Quarter of 2024First Six Months of 2025Compared toFirst Six Months of 2024(In thousands)Net interest income, FTE basis (non-GAAP) (1) for comparative period$529,373 $473,485 $940,480 Change due to mix and growth of earning assets and interest-bearing liabilities (volume)15,198 68,533 133,965 Change due to interest rate fluctuations (rate)(814)7,556 9,698 Change due to number of days in each period5,817 — (5,196)Less: FTE adjustment(2,880)(2,880)(5,779)Net interest income (GAAP) (1) for the period ended June 30, 2025$546,694 $546,694 $1,073,168 FTE adjustment2,880 2,880 5,779 Net interest income, FTE basis (non-GAAP) (1)$549,574 $549,574 $1,078,947