Other Events. As previously disclosed, on May 12, 2026, NSTS Bancorp, Inc. (the “Company”) and Brookfield Bancshares, Inc. (“Brookfield”) entered into an Agreement and Plan of Merger (the “Merger Agreement”), pursuant to which the Company will be merged with and into Brookfield, and the Company’s subsidiary bank, North Shore Trust and Savings (the “Bank”), will become a wholly-owned subsidiary of Brookfield and continue to operate under its existing name and federal savings association charte…

above, the Company and Parent issued a joint press release on May 12, 2026. A copy of the press release is attached hereto as Exhibit 99.1 and incorporated by reference herein. The information contained in Item 7.01, including Exhibit 99.1 furnished herewith, shall not be deemed “ filed ” for purposes of Section 18 of the Exchange Act, or otherwise subject to the liabilities under that section, nor shall it be deemed incorporated by reference into any registration statement or other document…

Executive Vice President and CEO/PRESIDENT (Bank) — Nathan E. Walker: The Executive Vice President and CEO/PRESIDENT of the Bank passed away.

Director — John S. Pucin: Mr. John S. Pucin was appointed as a Director to fill the vacancy caused by the unexpected passing of Mr. Thaddeus M. Bond, Jr.

Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing. On January 3, 2025, NSTS Bancorp, Inc. (the “Company”) notified The Nasdaq Stock Market (“Nasdaq”) of the recent unexpected passing of Mr. Thaddeus M. Bond, Jr. At the time of his death, Mr. Bond was a director of the Company and a member and chairman of both its Nominating and Corporate Governance Committee and Compensation Committee. In the notice, the Company further notified Nasdaq that, a…

Director — Emily E. Ansani: Ms. Ansani was appointed as a Director to fill the vacancy left by Mr. Kevin Dolan's unexpected passing.

Other Events. On December 21, 2023, NSTS Bancorp, Inc. (the “Company”) announced that its Board of Directors approved a new stock repurchase program authorizing the purchase of up to an aggregate of 265,763 shares of the Company’s outstanding common stock. The shares authorized to be repurchased represent approximately 5.0% of the Company’s currently outstanding common stock. The shares may, at the discretion of management, be repurchased from time to time in open market purchases as market c…

Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing. On November 1, 2023, NSTS Bancorp, Inc. (the “Company”) notified The Nasdaq Stock Market (“Nasdaq”) of the recent unexpected passing of Mr. Kevin Dolan. At the time of his death, Mr. Dolan was a director of the Company and a member of its Audit Committee and Compensation Committee. In the notice, the Company further notified Nasdaq that, as a result of Mr. Dolan’s passing, the Company’s Board…

Other Events. On October 6, 2023, NSTS Bancorp, Inc. (the “Company”) announced that its Board of Directors approved the extension of the previously approved stock repurchase program authorizing the purchase of up to an aggregate of 269,898 shares of the Company’s outstanding common stock. The shares authorized to be repurchased represent approximately 5.0% of the Company’s then currently outstanding common stock. The shares may, at the discretion of management, be repurchased from time to tim…

The filing describes the grant of equity awards to certain officers and directors under a new Equity Plan.

Other Events. On March 31, 2023, NSTS Bancorp, Inc. (the “Company”) announced that its Board of Directors approved a stock repurchase program authorizing the purchase of up to an aggregate of 269,898 shares of the Company’s outstanding common stock. The shares authorized to be repurchased represent approximately 5.0% of the Company’s currently outstanding common stock. The shares may, at the discretion of management, be repurchased from time to time in open market purchases as market conditio…

Chief Executive Officer of North Shore Trust and Savings (Bank) and Executive Vice President of the Company — Nathan E. Walker: Nathan E. Walker was promoted to Chief Executive Officer of the Bank and appointed as Executive Vice President of the Company.

Entry into a Material Definitive Agreement. On November 10, 2021, NSTS Bancorp, Inc., a Delaware corporation (the “Company”), North Shore MHC, a federally-chartered mutual holding company, NSTS Financial Corporation, a federally-chartered stock corporation, and North Shore Trust and Savings, a federally-chartered stock savings institution, entered into an Agency Agreement with Keefe, Bruyette & Woods, Inc. (“KBW”), who will assist in the marketing of the Company’s common stock during its stoc…