Merger of Riverside Mutual Insurance Company With and Into Central Wisconsin Mutual Insurance Company

​​​Last Updated: September 10, 2025

​Information on the Proposed Merger of Riverside Mutual Insurance Company With and Into Central Wisconsin Mutual Insurance Company

​​On August 15, 2025, Isabella Jarosz, external legal counsel, filed a statement on behalf of the Applicant Central Wisconsin Mutual Insurance Company (Central Wisconsin), a 611 mutual insurer. Central Wisconsin, along with Riverside Mutual Insurance Company (Riverside), a 612 town mutual insurer, intend that Riverside will merge with and into Central Wisconsin. After the merger, in accordance with the Agreement and Plan of Merger, Riverside will cease to exist, and the surviving entity would be Central Wisconsin.

Filings

• Transmittal Letter
  
• A certified resolution of the Riverside Board of Directors approving the Merger
  
• A certified resolution of the Central Wisconsin Board of Directors approving the Merger
  
• The executed Agreement and Plan of Merger, including the following exhibits:​
  
• The current Third Amended and Restated Articles of Incorporation of Central Wisconsin which will be the articles of incorporation of the surviving entity.
• The current Amended and Restated Bylaws of Central Wisconsin which will be the bylaws of the surviving entity
• The current directors of Central Wisconsin which will be the directors of the surviving entity.
• The current officers of Central Wisconsin which will be the officers of the surviving entity.
• The form of Certificate of Assumption and Endorsement which Central Wisconsin proposes to send to all Riverside policyholders after the effective time of the Merger.
• “Actual Cash Value Loss Settlement Terms for Roof and Exterior Surfacing" Endorsement.
• A proposed summary of the Merger to be sent to Riverside policyholders with Riverside's Notice of Special Policyholder Meeting.
• The following Riverside related documents:
• The most recent year end annual statement for Riverside
  
• The June 2025 monthly unaudited financial statements for Riverside. [CONFIDENTIAL]
• A proposed Notice of Special Policyholder Meeting to be sent to Riverside policyholders
  
• The proposed policyholder resolution ballot to be presented in person at the special meeting.
  
• The proposed policyholder resolution ballots to be presented to the policyholders via mail pursuant to Wis. Stat. s. 612.12(4)(c).
  
• The proposed report of policyholder votes to be submitted to the OCI following the special meeting.
  
• The following Central Wisconsin related documents:
• The most recent year end annual statement for Central Wisconsin
  
• The most recent quarterly statement for Central Wisconsin
  

​​Policyholder Vote Documents

• Riverside Voting Report

Decision Documents

• Recommendation Memo
  
• OCI Approval Letter
  
• Vote Certification Confirmation Letter