Results of Operations and Financial Condition. On July 30, 2026, the Registrant issued a press release, a copy of which is attached hereto as Exhibit 99.1 and is incorporated herein by reference.

Changes in Registrant’s Certifying Accountant . (a) Dismissal of Independent Registered Public Accounting Firm On June 11, 2026, Donegal Group Inc. (the “Company”) informed KPMG LLP (“KPMG”) of its dismissal as the Company’s independent registered public accounting firm for the 2026 fiscal year, effective immediately. The change in the Company’s independent registered public accounting firm was approved by the Company’s Audit Committee. The reports of KPMG on the Company’s consolidated financ…

Results of Operations and Financial Condition. On April 30, 2026, the Registrant issued a press release, a copy of which is attached hereto as Exhibit 99.1 and is incorporated herein by reference.

Results of Operations and Financial Condition. On February 19, 2026, the Registrant issued a press release, a copy of which is attached hereto as Exhibit 99.1 and is incorporated herein by reference.

The filing describes new bonus plans for executive officers, which is a routine management compensation matter.

Results of Operations and Financial Condition. On October 30, 2025, the Registrant issued a press release, a copy of which is attached hereto as Exhibit 99.1 and is incorporated herein by reference.

Results of Operations and Financial Condition. On July 24, 2025, the Registrant issued a press release, a copy of which is attached hereto as Exhibit 99.1 and is incorporated herein by reference.

Results of Operations and Financial Condition. On April 24, 2025, the Registrant issued a press release, a copy of which is attached hereto as Exhibit 99.1 and is incorporated herein by reference.

Results of Operations and Financial Condition. On February 20, 2025, the Registrant issued a press release, a copy of which is attached hereto as Exhibit 99.1 and is incorporated herein by reference.

The filing describes a new executive incentive plan for bonuses, not a management change.

Director — Scott A. Berlucchi: Mr. Berlucchi is retiring and will not stand for re-election as a director.

Results of Operations and Financial Condition. On October 24, 2024, the Registrant issued a press release, a copy of which is attached hereto as Exhibit 99.1 and is incorporated herein by reference.

Results of Operations and Financial Condition. On July 25, 2024, the Registrant issued a press release, a copy of which is attached hereto as Exhibit 99.1 and is incorporated herein by reference.

Results of Operations and Financial Condition. On April 25, 2024, the Registrant issued a press release, a copy of which is attached hereto as Exhibit 99.1 and is incorporated herein by reference.

Results of Operations and Financial Condition. On February 22, 2024, the Registrant issued a press release, a copy of which is attached hereto as Exhibit 99.1 and is incorporated herein by reference.

Chief Operating Officer — W. Daniel DeLamater: Mr. DeLamater was promoted to the position of Executive Vice President and Chief Operating Officer.

The filing describes a new compensatory plan for executive officers, not a management change.

Results of Operations and Financial Condition. On October 26, 2023, the Registrant issued a press release, a copy of which is attached hereto as Exhibit 99.1 and is incorporated herein by reference.

Results of Operations and Financial Condition. On July 27, 2023, the Registrant issued a press release, a copy of which is attached hereto as Exhibit 99.1 and is incorporated herein by reference.