Revenue: As of FY2026 Q1, the actual value is USD 257.43 M.

EPS: As of FY2026 Q1, the actual value is USD 1.64.

EBIT: As of FY2026 Q1, the actual value is USD -36.24 M.

International Bancshares Corporation operates as a single banking segment, with all reported metrics applying to this segment .

Net Income

Net income for the three months ended March 31, 2026, increased by 5.5% to $102,186 thousand, up from $96,892 thousand for the same period in 2025 .

Net Interest Income

Net interest income increased by 2.7% to $165,628 thousand for Q1 2026, compared to $161,219 thousand in Q1 2025 . Total interest income remained stable at $214,600 thousand for Q1 2026, a -0.0% change from $214,639 thousand in Q1 2025 . Total interest expense decreased by -8.3% to $48,972 thousand for Q1 2026, from $53,420 thousand in Q1 2025 .

Non-Interest Income

Total non-interest income increased by 15.7% to $42,830 thousand for Q1 2026, compared to $37,003 thousand for Q1 2025 . Key components include service charges on deposit accounts, which increased by 6.2% to $18,760 thousand, and other service charges, commissions and fees (Banking), which rose by 1.9% to $14,336 thousand . Other service charges, commissions and fees (Non-banking) decreased by -12.8% to $2,035 thousand . Other investment income (loss), net, was $2,244 thousand for Q1 2026, compared to - $1,258 thousand for Q1 2025 . Other income increased by 30.1% to $5,455 thousand .

Non-Interest Expense

Total non-interest expense increased by 3.1% to $76,048 thousand for Q1 2026, from $73,775 thousand for Q1 2025 . Significant expenses include employee compensation and benefits, which rose by 1.3% to $39,132 thousand, and depreciation of bank premises and equipment, which increased by 10.0% to $6,176 thousand . Software and software maintenance expenses increased by 5.2% to $5,690 thousand .

Allowance for Credit Losses (ACL)

The ACL increased by 0.8% to $160,443 thousand at March 31, 2026, from $159,174 thousand at December 31, 2025 . The provision for credit losses charged to expense decreased by -9.2% to $3,024 thousand for Q1 2026, compared to $3,329 thousand for Q1 2025 . The ACL was 1.66% of total loans at March 31, 2026, down from 1.68% at December 31, 2025 .

Loans

Total loans increased by 2.0% to $9,648,544 thousand at March 31, 2026, from $9,460,422 thousand at December 31, 2025 . Commercial real estate loans represented approximately 66% of total loans at March 31, 2026 .

Deposits

Deposits increased by 1.5% to $12,622,726 thousand at March 31, 2026, from $12,436,506 thousand at December 31, 2025 .

Shareholders’ Equity

Shareholders’ equity stood at $3,288,041 thousand at March 31, 2026, compared to $3,251,638 thousand at December 31, 2025 .

Capital Ratios

As of March 31, 2026, International Bancshares Corporation’s capital levels exceeded all Basel III capital adequacy requirements . The Common Equity Tier 1 (CET1) to risk-weighted assets ratio was 23.15% (23.36% at December 31, 2025), the Tier 1 capital-to-average-total-asset (leverage) ratio was 20.13% (19.86% at December 31, 2025), the risk-weighted Tier 1 capital ratio was 23.68% (23.91% at December 31, 2025), and the risk-weighted total capital ratio was 24.84% (25.09% at December 31, 2025) .

Cash Flow

Net cash provided by operating activities was $120,730 thousand for Q1 2026, compared to $140,464 thousand for Q1 2025 . Net cash used in investing activities was - $231,742 thousand for Q1 2026, compared to - $275,278 thousand for Q1 2025 . Net cash provided by financing activities was $160,464 thousand for Q1 2026, compared to $371,619 thousand for Q1 2025 .

Outlook and Strategy

International Bancshares Corporation focuses on expense control to ensure long-term profitability, especially during economic uncertainty . The company monitors efficiency and overhead ratios to manage costs and aims to deliver superior shareholder returns . Management believes it is well-positioned for interest rate changes and plans to adjust interest rate-sensitive assets and liabilities as needed .