Catalyst Bancorp, Inc.

Catalyst Bancorp, Inc. (Nasdaq: CLST) is a Louisiana corporation and registered bank holding company for Catalyst Bank, its wholly-owned subsidiary, with $290.0 million in assets at June 30, 2026. Catalyst Bank, formerly St. Landry Homestead Federal Savings Bank, has been in operation in the Acadiana region of south-central Louisiana since 1922. Catalyst Bank offers commercial and retail banking products with a focus on fueling business and improving lives in the communities we serve. To learn more about Catalyst Bancorp and Catalyst Bank, visit www.catalystbank.com, or the website of the Securities and Exchange Commission, www.sec.gov.

Current securities

1. Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory ArrangementsSep 15, 2026
2. 4 filingSep 2, 2026
3. Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory ArrangementsAug 18, 2026
4. Results of Operations and Financial ConditionJul 30, 2026
5. Completion of Acquisition or Disposition of Assets · Other EventsJul 14, 2026