WATERSTONE FINANCIAL Business Summary

Waterstone Financial Inc. (WSBF) operates as a diversified financial services holding company for WaterStone Bank SSB, primarily generating revenue through two distinct segments: Community Banking and Mortgage Banking. The Community Banking segment drives profitability through net interest income derived from a $1.71 billion loan portfolio focused on multi-family and commercial real estate in southeastern Wisconsin, complemented by traditional deposit-based service fees. Conversely, the Mortgage Banking segment functions as a national origination engine, generating non-interest income through the gain on sale of residential mortgage loans in the secondary market. Positioned as a high-performing small-cap player, Waterstone Financial maintains a competitive edge through its dual-revenue model, which balances the steady margins of community lending with the transactional volume of its mortgage subsidiary. It competes directly with regional peers such as Sierra Bancorp (BSRR), Community Trust Bancorp (CTBI), and First Mid Bancshares (FMBH), distinguishing itself through superior capital ratios and a robust 18.4% net profit margin as of early 2026. The leadership team is anchored by President and CEO William F. Bruss, who joined the company in 1997 as General Counsel and ascended to the top role in January 2024; he holds a J.D. from Marquette University and brings a deep legal and operational background to the firm. Executive Vice President and CFO Mark R. Gerke, a CPA and former Senior Manager at Ernst & Young, has overseen the company’s financial strategy since 2014. The executive suite is further strengthened by Jeffrey R. McGuiness, who leads the Waterstone Mortgage Corporation subsidiary. The company’s Board of Directors is chaired by Patrick S. Lawton, a veteran Director of Fixed Income Capital Markets at Robert W. Baird & Co., reflecting a high degree of institutional pedigree. As of March 2026, the company maintains strong institutional backing, with approximately 63% of shares held by professional investors, including notable positions from AQR Capital Management and Vanguard Group.