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• Think of it as Regions Financial (RF) for Texas and Oklahoma.
• A smaller, more focused U.S. Bank (USB) for Texas and Oklahoma.
• Essentially, a KeyCorp (KEY) for the Southern U.S. (focused on Texas and Oklahoma).

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• Lending Services: Prosperity Bancshares provides commercial, real estate, and consumer loans to individuals and businesses.
• Deposit Services: They offer a variety of checking, savings, money market, and certificate of deposit accounts for clients.
• Treasury Management: This includes cash management, merchant services, and other financial solutions designed for businesses.
• Digital Banking: Customers can access and manage their accounts and services conveniently through online and mobile banking platforms.

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Prosperity Bancshares (symbol: PB) is a bank holding company that primarily serves a diverse base of individual consumers and businesses rather than a few major corporate customers. Its revenue is generated from a broad portfolio of loans and banking services provided to numerous clients.

The company serves the following primary categories of customers:

1. Commercial and Business Customers: This category includes a wide range of small to medium-sized businesses, commercial real estate investors, and professional enterprises. These customers utilize services such as commercial and industrial loans, commercial real estate loans, construction and land development loans, lines of credit, and various business deposit accounts.
2. Individual Consumers: This category encompasses households and individuals who use the bank's services for personal financial needs. These include residential mortgage loans (for 1-4 family homes), consumer loans (e.g., auto loans, personal loans), and a variety of deposit accounts like checking, savings, money market, and certificates of deposit.
3. Agricultural Businesses: Given its presence in regions like Texas and Oklahoma, Prosperity Bancshares also serves farmers and agricultural enterprises. These customers require specialized agricultural loans and other banking services tailored to the needs of the farming and ranching industry.

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David Zalman, Senior Chairman & Chief Executive Officer

David Zalman has served as the Senior Chairman and Chief Executive Officer of Prosperity Bancshares, Inc. since 2006, having been appointed Chief Executive Officer in 2001 and joining the bank as President in 1986. Prior to his tenure at Prosperity, Mr. Zalman was employed by Commercial State Bank in El Campo from 1978 to 1986, where he ultimately became Chief Executive Officer. He has led five different companies, including serving as CEO of Commercial State Bank of Bonner Springs (Kansas) and Commercial State Bank of El Campo (Texas). Additionally, he was a founding principal and served as a partner and director of New ICM LP, a manufacturer and distributor of children's clothing, from 1999 to 2017. Mr. Zalman is also a member of the Dallas Federal Reserve Bank Board of Directors, Houston Branch.

Asylbek Osmonov, Chief Financial Officer

Asylbek Osmonov joined Prosperity Bancshares, Inc. as the Director of Finance/Chief Financial Officer in January 2019.

H. E. "Tim" Timanus, Jr., Chairman

H. E. "Tim" Timanus, Jr. currently serves as the Chairman of the Board for Prosperity Bancshares, Inc. He was elected Vice Chairman in 2006. Before joining Prosperity Bank in 1994, he was the President of First State Bank and Trust Company in Bay City. His prior experience also includes serving as President/CEO of Commercial Bancshares Inc. from 1986 to 2001, and as Chairman/CEO of Heritage Bank from 1988 to 2001.

Kevin Hanigan, President & Chief Operating Officer

Kevin Hanigan is the President and Chief Operating Officer of Prosperity Bancshares, Inc., a role he assumed following the merger with LegacyTexas Financial Group in 2019. He has been at the helm of eight different companies. Before joining Prosperity, Mr. Hanigan served as Chairman, President & Chief Executive Officer of Guaranty Financial Group, Inc., and held the positions of Chairman & Chief Executive Officer at Guaranty Bank (Austin, Texas) and Highlands Bancshares, Inc. (Dallas, Texas). He was also President, Chief Executive Officer & Director at LegacyTexas Financial Group, Inc. and LegacyTexas Bank.

Charlotte M. Rasche, Executive Vice President, General Counsel

Charlotte M. Rasche serves as Executive Vice President and General Counsel of Prosperity Bancshares, Inc. She joined the company in March 2012 as Executive Vice President in the legal department, becoming General Counsel in April 2012. Prior to her role at Prosperity, Ms. Rasche was a partner with Bracewell Giuliani LLP (now Bracewell LLP) from 1997, where her practice focused on commercial banking regulatory and corporate matters, mergers and acquisitions, Exchange Act reporting compliance, and corporate governance. She played a key role in Prosperity's acquisition of LegacyTexas Bank, which was one of the largest bank deals in Texas history, and has been recognized for her work in M&A transactions.

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The key risks to Prosperity Bancshares (PB) primarily revolve around the sensitivity of its business to market-wide financial conditions and competitive dynamics.

1. Interest Rate Volatility

   Prosperity Bancshares Inc. operates in an environment where fluctuations in interest rates can significantly impact its net interest income, which is a primary source of revenue for the company. A recent decrease in total interest income underscores the sensitivity of PB's earnings to changes in interest rates, posing a challenge to maintaining stable margins and necessitating effective interest rate risk management.

2. Economic Uncertainties and Credit Quality

   The banking sector, including Prosperity Bancshares, is highly susceptible to economic downturns. Such conditions can lead to an increase in loan defaults and a reduction in demand for credit. Given that a significant portion of PB's loan portfolio is concentrated in real estate, a downturn in the housing market or broader economic uncertainties could materially affect the company's asset quality and earnings. Concerns around loan growth, deposit trends, and rising nonperforming assets also remain key risks.

3. Competitive Pressures and Market Risks

   Prosperity Bancshares faces ongoing market risks and competitive pressures within the banking industry. To maintain its competitive edge, the company must continuously invest in product development, marketing, and technology. This can potentially strain its resources and impact profitability in a dynamic and competitive market.

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The most prominent clear emerging threat to Prosperity Bancshares (PB) is the accelerating shift towards digital-first financial services providers. This encompasses dedicated neobanks, various fintech platforms, and large technology companies that are increasingly entering the financial sector.

These entities offer increasingly convenient, often lower-cost, and technologically advanced alternatives for traditional banking products such as deposits, payments, and various forms of lending (e.g., personal loans, small business financing, "buy now, pay later" services). This trend directly challenges the traditional branch-based banking model upon which Prosperity Bancshares primarily operates.

Evidence of this emerging threat includes:

• Neobanks and Fintechs: Digital-only banks like Chime, Varo, and Ally Bank, alongside online lenders and payment apps, are rapidly acquiring customers, particularly younger demographics and digitally-savvy individuals and businesses. They offer superior digital experiences, faster processing times, and often lower fees compared to traditional banks, directly impacting PB's ability to attract and retain deposit accounts and originate loans.
• Big Tech in Finance: Companies such as Apple, Google, and Amazon are expanding their financial offerings beyond basic payments into areas like consumer credit (e.g., Apple Card, Apple Pay Later), savings accounts, and business financing solutions. These tech giants leverage their vast user bases and technological prowess to offer integrated financial services that can bypass or disintermediate traditional banking relationships.

This widespread shift represents a fundamental challenge to the established market share in deposits, loan portfolios, and overall customer relationships for regional banks like Prosperity Bancshares over the long term.

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Prosperity Bancshares (symbol: PB) operates primarily in Texas and Oklahoma, offering a range of financial products and services. The addressable market sizes for their main products and services in the United States are as follows:

• Regional Banking: The market size of the Regional Banks industry in the United States is estimated at $406.5 billion in 2025.
• Commercial Banking: The US commercial banking market size is approximately $732.5 billion in 2025, with projections to reach $915.45 billion by 2030.
• Mortgage Lending: The US home loan market, representing total outstanding loans, stood at $2.29 trillion in 2025. New mortgage originations in the US totaled $1.69 trillion in 2024.
• Wealth Management: The US wealth management market, measured by Assets Under Management (AUM), was approximately $64.4 trillion in 2024 and is expected to reach $87.35 trillion by 2028.

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Prosperity Bancshares (PB) is expected to drive future revenue growth over the next two to three years through several key strategies:

1. Strategic Mergers and Acquisitions (M&A) and Market Expansion: Prosperity Bancshares is actively pursuing and integrating strategic acquisitions to expand its geographic footprint and increase market share. For instance, the merger with American Bank Holding Corporation is anticipated to boost annual net interest income by $85-90 million and strengthen the company's presence in key Texas markets. Additionally, a definitive merger agreement with Southwest Bancshares, Inc., the parent company of Texas Partners Bank, is set to significantly expand Prosperity Bancshares' presence in the San Antonio metro area, enhance deposit market share, bolster its position in the Texas Hill Country, and add an experienced Commercial & Industrial (C&I) lending team. This strategy focuses on successfully identifying and integrating acquired businesses and banks.
2. Net Interest Margin (NIM) Expansion: The company has demonstrated effective interest rate management, leading to an expansion in its net interest margin. In Q2 2025, NIM expanded to 3.18%, a 24 basis point increase year-over-year. Management anticipates continued NIM expansion over the next 12 to 36 months, driven by the repricing of loans and securities, with a projected NIM trajectory of 3.35% in six months and 3.48% in twelve months. The net interest margin on a tax equivalent basis was 3.24% in Q3 2025, up from 2.95% in Q3 2024.
3. Targeted Loan Growth, particularly in Commercial & Construction: Despite a competitive lending environment, Prosperity Bancshares is focusing on selective loan growth, especially in core commercial and construction sectors. Management expects low single-digit loan growth, aided by construction deals and acquisitions, while remaining prudent in its approach to pricing and credit. The repricing opportunities for approximately $5 billion in loans and securities annually also contribute to this growth.
4. Core Deposit Growth: A continued focus on growing core deposits is a crucial driver for revenue as it provides a stable and cost-effective funding source. Prosperity Bancshares reported modest deposit growth in Q3 2025, emphasizing that core deposits remain a priority and that the bank does not utilize brokered deposits.
5. Operational Efficiency: Ongoing improvements in operational efficiency and cost control contribute to profitability and indirectly support revenue growth by optimizing resource allocation. The company's efficiency ratio improved to 45.7% in Q1 2025 from 46.1% in 2024 and was 44.1% in Q3 2025, surpassing estimates. Management has highlighted margin expansion and expense discipline as key areas.

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Share Repurchases

• In January 2025, Prosperity Bancshares' Board of Directors authorized a new stock repurchase program allowing for the repurchase of up to 5% of its outstanding common stock, approximately 4.8 million shares, over a one-year period expiring on January 21, 2026.
• Between July 1, 2025, and September 30, 2025, the company repurchased 299,318 shares for $19.94 million.

Share Issuance

• In July 2025, Prosperity Bancshares agreed to acquire American Bank Holding Company in an all-stock deal valued at $321.5 million, which involves the issuance of approximately 4.4 million shares of Prosperity Bancshares common stock.
• In October 2025, the company announced an agreement to acquire Southwest Bancshares, Inc. for approximately $268.9 million through an all-stock transaction, involving the issuance of approximately 4.06 million shares.
• In April 2024, Prosperity Bancshares issued 2,376,182 shares of its common stock along with cash to complete the merger with Lone Star State Bancshares, Inc.

Outbound Investments

• In July 2025, Prosperity Bancshares entered into an agreement to acquire American Bank Holding Company for $321.5 million in an all-stock deal, adding $2.5 billion in assets, $1.8 billion in loans, and $2.3 billion in deposits, strengthening its presence in South and Central Texas, including San Antonio.
• In October 2025, the company agreed to acquire Southwest Bancshares, Inc. for approximately $268.9 million in an all-stock transaction, which will add $2.4 billion in assets, $1.9 billion in loans, and $2.1 billion in deposits, expanding its footprint in the San Antonio and Central Texas areas.
• Prosperity Bancshares completed the merger of Lone Star State Bancshares, Inc. in April 2024, which brought in $1.38 billion in total assets, $1.07 billion in loans, and $1.24 billion in deposits.
• In May 2023, the company completed the merger of First Bancshares of Texas, Inc., which reported $2.14 billion in total assets, $1.65 billion in loans, and $1.71 billion in deposits.

Capital Expenditures

• Prosperity Bancshares reported capital expenditures of $21 million in 2024.
• Capital expenditures were $34 million in 2023 and $42 million in 2022.
• In 2021 and 2020, capital expenditures were $19 million and $22 million, respectively.