Company: WTFCN
Filing Date: 2025-05-05
Form Type: 10-Q
Source: 0001015328-25-000130
Chunk: 86

Company: WINTRUST FINANCIAL CORP
Filing Date: 2025-05-05
Form: 10-Q
Item: Item 1
Chunk 86
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 for additional information on this performance measure/ratio.

51

For the first quarter of 2025, net interest income totaled $526.5 million, an increase of $1.3 million as compared to the fourth quarter of 2024, and an increase of $62.3 million as compared to the first quarter of 2024. Net interest margin was 3.54% (3.56% on a FTE basis, non-GAAP) during the first quarter of 2025 compared to 3.49% (3.51% on a FTE basis, non-GAAP) during the fourth quarter of 2024, and 3.57% (3.59% on a FTE basis, non-GAAP) during the first quarter of 2024.  

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 March 31, 2025 to each of the three month periods ended December 31, 2024 and March 31, 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:

First Quarter of 2025Compared toFourth Quarter of 2024First Quarter of 2025Compared to First Quarter of 2024(In thousands)Net interest income, FTE basis (non-GAAP)(1) for comparative period$528,218 $466,995 Change due to mix and growth of earning assets and interest-bearing liabilities (volume)3,995 98,837 Change due to interest rate fluctuations (rate)8,898 (31,271)Change due to number of days in each period(11,738)(5,188)Less: FTE adjustment(2,899)(2,899)Net interest income (GAAP)(1) for the period ended March 31, 2025$526,474 $526,474 FTE adjustment2,899 2,899 Net interest income, FTE basis (non-GAAP)(1)$529,373 $529,373 

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