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EX-99.1

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EX-99.1

Document

Exhibit 99.1

Wintrust Financial Corporation

9700 W. Higgins Road, Suite 800, Rosemont, Illinois 60018

News Release

FOR IMMEDIATE RELEASE  October 19, 2026

FOR MORE INFORMATION CONTACT:

David A. Dykstra, Vice Chairman & Chief Operating Officer

(847) 939-9000

Amy Yuhn, Executive Vice President, Communications

(847) 939-9591

Web site address: www.wintrust.com

Wintrust Financial Corporation Reports Record Net Income

ROSEMONT, ILLINOIS – Wintrust Financial Corporation (“Wintrust”, “the Company”, “we” or “our”) (Nasdaq: WTFC) announced record net income of $700.1 million, or $9.89 per diluted common share, for the first nine months of 2026 compared to net income of $600.8 million, or $8.25 per diluted common share, for the same period of 2025. This represents a year-to-date net income increase of 17% compared to the same period of 2025. Pre-tax, pre-provision income (non-GAAP) for the first nine months of the year totaled a record $1.0 billion, compared to $884.1 million for the first nine months of 2025.

The Company reported record quarterly net income of $239.1 million, or $3.37 per diluted common share, for the third quarter of 2026, compared to net income of $233.7 million, or $3.30 per diluted common share, for the second quarter of 2026. Pre-tax, pre-provision income (non-GAAP) for the third quarter of 2026 totaled $352.2 million, as compared to $341.1 million for the second quarter of 2026.

Timothy S. Crane, President and Chief Executive Officer, commented, “Our strong momentum in the first half of the year continued into the third quarter leading to consistent and record results for the first nine months of 2026. The third quarter of 2026 produced the seventh consecutive quarter of record net income for the Company.”

Additionally, Mr. Crane noted, “Net interest income came in at $621.6 million for the quarter, an increase of $24.2 million, or 16% annualized, from the second quarter of 2026. Net interest margin of 3.51% in the third quarter remained in line with our expectations, and we believe our balance sheet is well positioned to support stable performance through changing interest rate environments.”

Highlights of the third quarter of 2026:

Comparative information to the second quarter of 2026, unless otherwise noted

•Total loans increased by $1.1 billion, or 8% annualized.

•Total deposits increased by $1.3 billion, or 8% annualized.

•Total assets increased by $1.3 billion, or 7% annualized.

•Net interest income increased to $621.6 million in the third quarter of 2026, compared to $597.4 million in the second quarter of 2026, driven by strong average earning asset growth.

◦Net interest margin was 3.49% (3.51% on a fully taxable-equivalent basis, non-GAAP) during the third quarter of 2026 which was in line with our prior guidance.

•Provision for credit losses totaled $25.9 million in the third quarter of 2026, compared to $23.1 million in the second quarter of 2026.

•Net charge-offs totaled $21.0 million, or 15 basis points of average total loans on an annualized basis, in the third quarter of 2026 up from $13.4 million, or 10 basis points of average total loans on an annualized basis, in the second quarter of 2026.

•Non-performing loans totaled $176.9 million and comprised 0.31% of total loans at September 30, 2026, as compared to $179.3 million and 0.32% of total loans at June 30, 2026.

“We are encouraged by our strong third quarter performance and record results year-to-date. We believe we are well-positioned to build on our strong momentum and deliver further revenue growth as we close out the year. Our unique market position and strong customer relationships continue to create long-term franchise value in the markets we serve. We are proud of our latest deposit market share gains in Illinois and remain committed to expanding our market presence in Wisconsin and west Michigan. Our focus remains on delivering consistent balance sheet growth, expanding net interest income while maintaining a disciplined approach to expense management, which should generate positive operating leverage for the year”, Mr. Crane concluded.

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The graphs shown on pages 3-7 illustrate certain financial highlights of the third quarter of 2026 as well as historical financial performance. See “Supplemental Non-GAAP Financial Measures/Ratios” at Table 18 for additional information with respect to non-GAAP financial measures/ratios, including the reconciliations to the corresponding GAAP financial measures/ratios.

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SUMMARY OF RESULTS:

BALANCE SHEET

Total assets increased $1.3 billion in the third quarter of 2026 compared to the second quarter of 2026, driven by a $1.1 billion increase in total loans. The robust loan growth was diversified across all major loan portfolios.

Total liabilities increased by $1.5 billion in the third quarter of 2026 compared to the second quarter of 2026, driven by a $1.3 billion increase i

EX-99.1

2 exhibit9912026-q2.htm

EX-99.1

Document

Exhibit 99.1

Wintrust Financial Corporation

9700 W. Higgins Road, Suite 800, Rosemont, Illinois 60018

News Release

FOR IMMEDIATE RELEASE  July 20, 2026

FOR MORE INFORMATION CONTACT:

David A. Dykstra, Vice Chairman & Chief Operating Officer

(847) 939-9000

Amy Yuhn, Executive Vice President, Communications

(847) 939-9591

Web site address: www.wintrust.com

Wintrust Financial Corporation Reports Record Net Income

ROSEMONT, ILLINOIS – Wintrust Financial Corporation (“Wintrust”, “the Company”, “we” or “our”) (Nasdaq: WTFC) announced record net income of $461.1 million, or $6.52 per diluted common share, for the first six months of 2026 compared to net income of $384.6 million, or $5.47 per diluted common share, for the same period of 2025. This represents a year-to-date net income increase of 20% compared to the same period of 2025. Pre-tax, pre-provision income (non-GAAP) for the first six months of the year totaled a record $671.6 million, compared to $566.3 million for the first six months of 2025.

The Company reported record quarterly net income of $233.7 million, or $3.30 per diluted common share, for the second quarter of 2026, compared to net income of $227.4 million, or $3.22 per diluted common share, for the first quarter of 2026. Pre-tax, pre-provision income (non-GAAP) for the second quarter of 2026 totaled a record $341.1 million, as compared to $330.5 million for the first quarter of 2026.

Timothy S. Crane, President and Chief Executive Officer, commented, “We are pleased to deliver record results for the first six months of the year. Second quarter 2026 represents the sixth consecutive quarter of record net income for the Company. Strong diversified loan growth funded by robust organic deposit growth highlights the underlying strength of our business model. We continue to leverage our customer relationships and unique market positioning to grow the balance sheet and create long term franchise value.”

Additionally, Mr. Crane noted, “Net interest margin in the second quarter remained within our expected range at 3.52% and we generated record net interest income attributable to strong average earning asset growth. Building on our momentum, we believe consistent balance sheet growth, coupled with a stable net interest margin, should result in net interest income expansion in future quarters.”

Highlights of the second quarter of 2026:

Comparative information to the first quarter of 2026, unless otherwise noted

•Total loans increased by $1.6 billion, or 12% annualized.

•Total deposits increased by $2.2 billion, or 15% annualized.

•Total assets increased by $2.5 billion, or 14% annualized.

•Net interest income increased to $597.4 million in the second quarter of 2026, compared to $579.0 million in the first quarter of 2026, driven by robust average earning asset growth.

◦Net interest margin decreased to 3.50% (3.52% on a fully taxable-equivalent basis, non-GAAP) during the second quarter of 2026 primarily due to lower loan yields.

•Non-interest expense was impacted by the following:

◦A $5.2 million reversal of an FDIC special assessment accrued in the first quarter of 2024. The special assessments were in response to certain bank failures in 2023 and the reversal is based on the FDIC's final determination of losses to its Deposit Insurance Fund.

•Provision for credit losses totaled $23.1 million in the second quarter of 2026, compared to a provision for credit losses of $29.6 million in the first quarter of 2026.

•Net charge-offs totaled $13.4 million, or 10 basis points of average total loans on an annualized basis, in the second quarter of 2026 down from $18.4 million, or 14 basis points of average total loans on an annualized basis, in the first quarter of 2026.

•Non-performing loans totaled $179.3 million and comprised 0.32% of total loans at June 30, 2026, as compared to $182.7 million and 0.34% of total loans at March 31, 2026.

“Looking ahead, our pipelines remain strong and we believe we are well-positioned to generate consistent balance sheet growth while maintaining our disciplined underwriting standards. We remain committed to growing net interest income and exercising prudent expense management, which position us to deliver positive operating leverage for 2026”, Mr. Crane said.

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The graphs shown on pages 3-7 illustrate certain financial highlights of the second quarter of 2026 as well as historical financial performance. See “Supplemental Non-GAAP Financial Measures/Ratios” at Table 18 for additional information with respect to non-GAAP financial measures/ratios, including the reconciliations to the corresponding GAAP financial measures/ratios.

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*On May 22, 2025, the Company completed the issuance of $425 million of Series F Preferred Stock. The issuance was in contemplation of redeeming $412.5 million of Series D and Series E Preferred Stock that was expected to reprice at rates higher than

EX-99.1

2 exhibit9912026-q1.htm

EX-99.1

Document

Exhibit 99.1

Wintrust Financial Corporation

9700 W. Higgins Road, Suite 800, Rosemont, Illinois 60018

News Release

FOR IMMEDIATE RELEASE  April 20, 2026

FOR MORE INFORMATION CONTACT:

David A. Dykstra, Vice Chairman & Chief Operating Officer

(847) 939-9000

Amy Yuhn, Executive Vice President, Communications

(847) 939-9591

Web site address: www.wintrust.com

Wintrust Financial Corporation Reports Record Quarterly Net Income

ROSEMONT, ILLINOIS – Wintrust Financial Corporation (“Wintrust”, “the Company”, “we” or “our”) (Nasdaq: WTFC) announced record net income of $227.4 million, or $3.22 per diluted common share, for the first quarter of 2026 compared to net income of $223.0 million, or $3.15 per diluted common share for the fourth quarter of 2025. Pre-tax, pre-provision income (non-GAAP) for the first quarter of 2026 totaled a record $330.5 million, as compared to $329.8 million for the fourth quarter of 2025.

Timothy S. Crane, President and Chief Executive Officer, commented, “We are pleased with our first quarter 2026 results, with diversified loan growth, robust deposit generation and prudent expense management resulting in a fifth consecutive quarter of record net income. Our multi-faceted business model and unique market position continued to build franchise value.”

Additionally, Mr. Crane noted, “Net interest margin in the first quarter remained within our expected range, improving by two basis points to 3.56%. Strong loan growth, coupled with a stable net interest margin supported solid net interest income levels in the first quarter of 2026. Our disciplined approach to underwriting led to strong credit quality with low levels of net charge-offs and non-performing loans.”

Highlights of the first quarter of 2026:

Comparative information to the fourth quarter of 2025, unless otherwise noted

•Total loans increased by $1.0 billion, or 7% annualized.

•Total deposits increased by $1.2 billion, or 8% annualized.

•Total assets increased by $1.0 billion, or 6% annualized.

•Net interest margin increased to 3.54% (3.56% on a fully taxable-equivalent basis, non-GAAP) during the first quarter of 2026.

◦Net interest income decreased to $579.0 million in the first quarter of 2026, compared to $583.9 million in the fourth quarter of 2025, primarily due to two fewer calendar days in the first quarter, partially offset by average earning asset growth during the quarter.

•Provision for credit losses totaled $29.6 million in the first quarter of 2026, compared to a provision for credit losses of $27.6 million in the fourth quarter of 2025.

•Net charge-offs totaled $18.4 million, or 14 basis points of average total loans on an annualized basis, in the first quarter of 2026 down from $21.8 million, or 17 basis points of average total loans on an annualized basis, in the fourth quarter of 2025.

•Non-performing loans totaled $182.7 million and comprised 0.34% of total loans at March 31, 2026, as compared to $185.8 million and 0.35% of total loans at December 31, 2025.

“Our first quarter performance reflected the efficient execution of our strategic priorities to deliver our differentiated customer experience, deliver disciplined and strategic growth and build the foundation for our future”, Mr. Crane said. “We believe the continued momentum in our financial results has us well-positioned for the remainder of 2026. We expect sustained balance

sheet growth, as we manage our expenses while investing appropriately in our businesses, to create consistent value for our shareholders.”

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The graphs shown on pages 3-7 illustrate certain financial highlights of the first quarter of 2026 as well as historical financial performance. See “Supplemental Non-GAAP Financial Measures/Ratios” at Table 17 for additional information with respect to non-GAAP financial measures/ratios, including the reconciliations to the corresponding GAAP financial measures/ratios.

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*On May 22, 2025, the Company completed the issuance of $425 million of Series F Preferred Stock. The issuance was in contemplation of redeeming $412.5 million of Series D and Series E Preferred Stock that was expected to reprice at rates higher than existing market rates. The Series D and Series E Preferred Stock were redeemed on July 15, 2025.

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SUMMARY OF RESULTS:

BALANCE SHEET

Total assets increased $1.0 billion in the first quarter of 2026 compared to the fourth quarter of 2025, driven by a $1.0 billion increase in total loans. The increase in loans was broad-based with growth across most major loan categories.

Total liabilities increased by $0.9 billion in the first quarter of 2026 compared to the fourth quarter of 2025, driven by a $1.2 billion increase in total deposits. Robust organic deposit growth in the first quarter of 2026 was driven by our diverse deposit product offerings. Non-interest bearing deposit balances represented 20% of total deposits and average non-i