INTERNATIONAL BANCSHARES Business Summary

International Bancshares Corporation (IBOC) operates as a multi-bank financial holding company, primarily generating revenue through net interest income from a diversified loan portfolio and service charges on deposit accounts, which account for over 50% of its total revenue. The company’s primary subsidiary, International Bank of Commerce (IBC Bank), manages approximately $16.6 billion in assets across 166 facilities in Texas and Oklahoma. Its business segments are bifurcated into commercial and retail banking, international trade finance—leveraging its strategic position along the U.S.-Mexico border—and non-banking services including insurance and mortgage processing. Within the regional banking sector, IBOC competes directly with Prosperity Bancshares, Texas Capital Bancshares, and Hancock Whitney, maintaining a distinct competitive advantage as one of the largest minority-owned bank holding companies in the United States with a consistent 60-year record of profitability. The company was founded in 1966 by Laredo entrepreneurs A. R. Sanchez, Sr. and Honoré Ligarde to serve underserved downtown retailers and cross-border trade. Today, the leadership is headlined by Dennis E. Nixon, who has served as President and Chairman since 1975 and is credited with scaling the institution from a small local bank into a multi-billion-dollar enterprise. Key executive leadership also includes Judith I. Wawroski, who serves as Treasurer and Principal Financial Officer, and Julie L. Tarvin, Vice President. The board is notably influenced by the founding Sanchez family, with Antonio R. Sanchez Jr. remaining the largest individual shareholder at approximately 25% ownership. Major institutional backers include The Vanguard Group and Dimensional Fund Advisors, reflecting the company's stability and long-standing reputation for conservative fiscal management.