Results of Operations and Financial Condition On October 26, 2026, Sun Communities, Inc. (the "Company") issued a press release, furnished as Exhibit 99.1 and incorporated herein by reference, announcing its financial results for the period ended September 30, 2026, and certain other information. The Company will hold an investor conference call and webcast at 11:00 a.m. ET on October 27, 2026 to discuss the financial results for the period ended September 30, 2026. The information contained…

Entry into a Material Definitive Agreement On October 1, 2026, Sun Communities, Inc. (the “Company”), as general partner of its operating subsidiary Sun Communities Operating Limited Partnership (“SCOLP”), entered into the Thirteenth Amendment to the Fourth Amended and Restated Agreement of Limited Partnership of SCOLP (the “Partnership Amendment”). The Partnership Amendment created a new class of preferred OP units named Series M Preferred Units. The Series M Preferred Units provide for quar…

Unregistered Sales of Equity Securities On October 1, 2026, SCOLP issued 283,126 Series M Preferred Units at an issuance price of $100 per unit. All of the Series M Preferred Units were issued as consideration for the initial holder’s contribution of certain assets to SCOLP. The issuance by SCOLP of the Series M Preferred Units was made in reliance upon the exemption from registration afforded by Section 4(a)(2) of the Securities Act of 1933, as amended. The description of the exchange and re…

of the Company’s Current Report on Form 8-K filed May 21, 2026, in Part II, Item 1A. in the Company’s Quarterly Report on Form 10-Q for the three months ended June 30, 2026, and in the Company’s other filings with the SEC from time to time, such risks, uncertainties and other factors include but are not limited to: ∙ The final costs, adjustments, and net proceeds related to the completed sale of Park Holidays; ∙ Our ability to realize the anticipated benefits of the completed sale of Park Hol…

Completion of Acquisition or Disposition of Assets. On September 22, 2026, Sun Communities, Inc. (the “Company”) completed the closing of the previously announced sale of the outstanding equity of the subsidiaries (collectively, “Park Holidays” or “the UK business”) through which the Company operated all of its business in the United Kingdom (the “Park Holidays Sale” or the “Transaction”). As previously disclosed in the Current Report on Form 8-K filed by the Company with the Securities and E…

of our Current Report on Form 8-K filed on May 21, 2026, in the Company's Quarterly Report on Form 10-Q for the quarter ended June 30, 2026, and in the Company's other filings with the Securities and Exchange Commission, from time to time, such risks, uncertainties and other factors include, but are not limited to: ∙ The ability of the Company to complete the proposed sale of Park Holidays on a timely basis or at all; ∙ Risks that the proposed sale of Park Holidays disrupts current plans and…

Chief Investment Officer — Aaron Weiss: The filing discloses the execution of an amended and restated employment agreement, which is a compensatory arrangement rather than a change in personnel or departure.

CFO — Robert A. Garechana: The filing announces the appointment of a new external CFO, which is a significant management change but not a departure of a sitting executive.

Results of Operations and Financial Condition On July 27, 2026, Sun Communities, Inc. (the "Company") issued a press release, furnished as Exhibit 99.1 and incorporated herein by reference, announcing its financial results for the period ended June 30, 2026, and certain other information. The Company will hold an investor conference call and webcast at 11:00 a.m. ET on July 28, 2026 to discuss the financial results for the period ended June 30, 2026. The information contained in this Item 2.0…

on Current Report on Form 8-K, including Exhibit 99.1 attached hereto, is being furnished and shall not be deemed to be "filed" for purposes of the Securities Exchange Act of 1934, as amended. This report contains various "forward-looking statements" within the meaning of the Securities Act of 1933, as amended (the "Securities Act"), and the Securities Exchange Act of 1934, as amended (the "Exchange Act"), and the Company intends that such forward-looking statements will be subject to the saf…

Financial Statements and Exhibits Stock Repurchase Program Effective May 27, 2026, the Board of Directors of Sun Communities, Inc. (the “Company”) authorized a stock repurchase program (the “Stock Repurchase Program”) under which the Company may repurchase up to $1 billion of its common stock through May 27, 2027. The Stock Repurchase Program renews the Company’s previous stock repurchase program and provides the Company with continued flexibility to repurchase shares of its common stock. Und…

Material Impairments In connection with the Transaction described in

Entry into a Material Definitive Agreement. On May 21, 2026, Sun Communities Operating Limited Partnership (“SCOLP”), on behalf of itself and two of its subsidiaries (collectively, the “Sellers”), entered into an agreement (the “Purchase Agreement”) with Panther Bidco Limited (“Buyer”) pursuant to which SCOLP agreed to sell to Buyer all of the outstanding equity of the subsidiaries (collectively, “Park Holidays”) through which Sun Communities, Inc. (the “Company”) operates all of its business…

below, and in the Company’s other filings with the Securities and Exchange Commission from time to time, such risks, uncertainties and other factors include, but are not limited to: • The ability of the Company to complete the proposed sale of Park Holidays on a timely basis or at all; • Risks that the proposed sale of Park Holidays disrupts current plans and operations; • The impacts of the announcement or consummation of the proposed sale of Park Holidays on business relationships; • The an…

Changes in Registrant's Certifying Accountant. As previously discussed in the Current Report on Form 8-K filed on March 27, 2026 (the "Original 8-K"), the Audit Committee (the "Committee") of the Boar d of Directors of Sun Communities, Inc. (the " Company " ) appointed Deloitte & Touche LLP ( " Deloitte " ) as the Company's new independent registered public accounting firm for the fiscal year ending December 31, 2026. On May 12, 2026 (the "Effective Date"), the Company formally engaged Deloit…

on Current Report on Form 8-K, including Exhibit 99.1 attached hereto, is being furnished and shall not be deemed to be "filed" for purposes of the Securities Exchange Act of 1934, as amended. This report contains various "forward-looking statements" within the meaning of the Securities Act of 1933, as amended (the "Securities Act"), and the Securities Exchange Act of 1934, as amended (the "Exchange Act"), and the Company intends that such forward-looking statements will be subject to the saf…

Results of Operations and Financial Condition On April 27, 2026, Sun Communities, Inc. (the "Company") issued a press release, furnished as Exhibit 99.1 and incorporated herein by reference, announcing its financial results for the period ended March 31, 2026, and certain other information. The Company will hold an investor conference call and webcast at 11:00 a.m. ET on April 28, 2026 to discuss the financial results for the period ended March 31, 2026. The information contained in this Item…

Changes in Registrant’s Certifying Accountant. On March 23, 2026, the Audit Committee (the "Committee") of the Board of Directors of Sun Communities, Inc. (the “Company”) approved the appointment of Deloitte & Touche LLP (“Deloitte”) as the new independent registered public accounting firm for the Company for the fiscal year ending December 31, 2026. Subject to completion of its customary client acceptance procedures, Deloitte’s appointment is effective on the day the Company files its Quarte…

Chief Operating Officer — John B. McLaren: John B. McLaren was promoted to Chief Operating Officer with expanded responsibilities.

on Current Report on Form 8-K, including Exhibit 99.1 attached hereto, is being furnished and shall not be deemed to be "filed" for purposes of the Securities Exchange Act of 1934, as amended. This report contains various "forward-looking statements" within the meaning of the Securities Act of 1933, as amended (the "Securities Act"), and the Securities Exchange Act of 1934, as amended (the "Exchange Act"), and the Company intends that such forward-looking statements will be subject to the saf…

Results of Operations and Financial Condition On February 24, 2026, Sun Communities, Inc. (the "Company") issued a press release, furnished as Exhibit 99.1 and incorporated herein by reference, announcing its financial results for the period ended December 31, 2025, and certain other information. The Company will hold an investor conference call and webcast at 11:00 a.m. ET on February 25, 2026 to discuss the financial results for the period ended December 31, 2025. The information contained…

Chief Financial Officer, Executive Vice President, Secretary and Treasurer (interim) — Fernando Castro-Caratini: Mr. Fernando Castro-Caratini was appointed as interim Chief Financial Officer, Executive Vice President, Secretary and Treasurer.

Chief Financial Officer, Executive Vice President, Secretary and Treasurer — Mark E. Patten: The company appointed a new Chief Financial Officer from an external candidate.

on Current Report on Form 8-K, including Exhibit 99.1 attached hereto, is being furnished and shall not be deemed to be "filed" for purposes of the Securities Exchange Act of 1934, as amended. This report contains various "forward-looking statements" within the meaning of the Securities Act of 1933, as amended (the "Securities Act"), and the Securities Exchange Act of 1934, as amended (the "Exchange Act"), and the Company intends that such forward-looking statements will be subject to the saf…

Results of Operations and Financial Condition On October 29, 2025, Sun Communities, Inc. (the "Company") issued a press release, furnished as Exhibit 99.1 and incorporated herein by reference, announcing its financial results for the period ended September 30, 2025, and certain other information. The Company will hold an investor conference call and webcast at 2:00 p.m. ET on October 30, 2025 to discuss the financial results for the period ended September 30, 2025. The information contained i…