Company: KG
Filing Date: 2025-03-26
Form Type: 424B3
Source: 0001104659-25-028251
Chunk: 2

Company: Kestrel Group Ltd
Filing Date: 2025-03-26
Form: 424B3
Chunk 2
---
:

<div align='center'>Maiden Holdings, Ltd. 
 48 Par-La-Ville Road, Suite 1141 
 Hamilton HM 11, Bermuda 
 Attention: Investor Relations 
 (441) 298-4900 
 www.maiden.bm (“Investor Relations” tab)</div>

In addition, if you have questions about the transaction or the Maiden special meeting, or if you need to obtain copies of the accompanying proxy statement/prospectus, proxy cards, election forms or other documents incorporated by reference in the proxy statement/prospectus, you may contact Maiden’s proxy solicitation agent, Innisfree M&A Incorporated, at the telephone numbers listed below. You will not be charged for any of the documents you request.

<div align='center'>Innisfree M&A Incorporated 
 501 Madison Avenue, 20th Floor 
 New York, New York 10022 
 Stockholders in the U.S. and Canada may call toll free: (877) 750-0502 
 Stockholders from other locations may call: +1 (412) 232-3651 
 Banks and Brokers may call collect: (212) 750-5833</div>

If you would like to request documents, please do so by April 22, 2025 in order to receive them before the Maiden special meeting.

For a more detailed description of the information incorporated by reference in the accompanying proxy statement/prospectus and how you may obtain it, see “Where You Can Find More Information” beginning on page 190of the accompanying proxy statement/prospectus.

TABLE OF CONTENTS

#### Maiden Holdings, Ltd.

#### 48 Par-La-Ville Road, Suite 1141

#### Hamilton HM 11, Bermuda

### NOTICE OF SPECIAL GENERAL MEETING OF SHAREHOLDERS

#### March 26, 2025
The Board of Directors of Maiden Holdings, Ltd. has called for a special general meeting of the shareholders of Maiden Holdings, Ltd. (the “Maiden special meeting”), a Bermuda exempted company (“Maiden”), to be held at Rosewood Bermuda, 60 Tucker’s Point Drive, Hamilton Parish HS 02, Bermuda on April 29, 2025 at 3:00 p.m., Atlantic Daylight Time, to consider and vote upon the following matters:

(1)

Proposal 1: to approve the voting cutback proposal, being the amendment of Bye-Law 1.1. and Bye-Law 33 of the Bye-Laws