MUNCY COLUMBIA FINANCIAL Corp

3.1 Articles of Incorporation, as amended (incorporated by reference to Exhibit 3.1 to the Registrant’s Current Report on Form 8-K (filed on November 16, 2023))

3.2 Amended and Restated Bylaws (incorporated by reference to Exhibit 3.2 to Registrant’s Current Report on Form 8-K (filed on December 11, 2024))

10.1 Employment Separation Agreement and Release dated February 11, 2025 between Robert J. Glunk, Muncy Columbia Financial Corporation and Journey Bank (incorporated by reference to Exhibit 10.1 to Registrant’s Current Report on Form 8-K (filed on February 12, 2025))

10.2 Fourth Amendment to Supplemental Executive Retirement Agreement dated February 11, 2025 between Journey Bank and Robert Glunk (incorporated by reference to Exhibit 10.2 to Registrant’s Current Report on Form 8-K (filed on February 12, 2025))

31.1 Rule 13a-14(a)/15d-14(a) Certification of Principal Executive Officer

31.2 Rule 13a-14(a)/15d-14(a) Certification of Principal Financial Officer

32.1 Section 1350 Certification of Chief Executive Officer

32.2 Section 1350 Certification of Chief Financial Officer

101 The following materials from the Corporation’s Quarterly Report on Form 10-Q for the period ended March 31, 2025, formatted in XBRL (Extensible Business Reporting Language); (i) the Consolidated Balance Sheets (unaudited), (ii) the Consolidated Statements of Income (unaudited), (iii) the Consolidated Statements of Comprehensive Income (unaudited), (iv) the Consolidated Statements of Changes in Stockholders’ Equity (unaudited), (v) the Consolidated Statements of Cash Flows (unaudited), and (vi) the Notes to Unaudited Consolidated Financial Statements.

104 Cover Page for Interactive Data File (embedded with the Inline XBRL document)