The name, business address, title, present principal occupation or employment of each of the directors and executive officers of Convex Group Limited and Convex Re Limited are set forth below. If no business address is given, the director’s or executive officer’s business address is 6 Front Street, 6^th Floor Point House, Hamilton HM 11, Bermuda.

Convex Group Limited

Principle Business Address

Principal Occupation/Title

Fiona Elizabeth Kermode

Stephen John Oatley Catlin

Executive Chairman Convex Group Director

Adam Christopher Cobourn

161 Bay Street Toronto, Ontario

Managing Director Onex Partners

Robert Michael Le Blanc

712 Fifth Avenue, New York NY 10019, United States of America

United States of America

CFO Convex Group; Director

Conyers Corporate Services (Bermuda) Limited

Clarendon House, 2 Church Street, Hamilton HM 11, Bermuda

Principal Business Address

Principal Occupation/Title

Fiona Elizabeth Kermode

CUO Reinsurance Convex Group

Richard Michael Slater

United States of America

Conyers Corporate Services (Bermuda) Limited

Clarendon House, 2 Church Street, Hamilton HM 11, Bermuda

JOINT FILING AGREEMENT

Pursuant to and in accordance with the Securities Exchange Act of 1934, as amended, and the rules and regulations thereunder (the “Exchange Act”) the undersigned hereby agree to the joint filing on behalf of each of them of any filing required by such party under Section 13 of the Exchange Act or any rule or regulation thereunder (including any amendment, restatement, supplement, and/or exhibit thereto) with respect to securities of Onex Direct Lending BDC Fund, a Delaware statutory trust, and further agree to the filing, furnishing, and/or incorporation by reference of this Agreement as an exhibit thereto. Each of them is responsible for the timely filing of such filings and any amendments thereto, and for the completeness and accuracy of the information concerning such person contained therein; but none of them is responsible for the completeness or accuracy of the information concerning the other persons making the filing, unless such person knows or has reason to believe that such information is inaccurate. This Agreement shall remain in full force and effect until revoked by any party hereto in a signed writing provided to each other party hereto, and then only with respect to such revoking party. This Agreement may be executed in any number of counterparts all of which taken together shall constitute one and the same instrument.

Dated: February 11, 2026

CONVEX GROUP LIMITED

By: /s/ Brian Bissett

Title: Chief Financial Officer

By: /s/ Kierra Smith

Title: Chief Financial Officer


Name	Principal Business Address	Principal Occupation/Title	Citizenship
Claus-Michael Dill		Director	Germany
Fiona Elizabeth Kermode		Director	United Kingdom
Nicholas S. Lyons		Director	United Kingdom
Matthew Paskin		CUO Reinsurance Convex Group Director	United Kingdom
Richard Michael Slater		CUO Convex Re Director	United Kingdom
Kierra A. Smith		Director CFO Convex Re	United States of America
Paul Anthony Simons		Director CEO Convex Re	United Kingdom
Shannon Dyer		Legal/ Company Secretary	United Kingdom
Conyers Corporate Services (Bermuda) Limited	Clarendon House, 2 Church Street, Hamilton HM 11, Bermuda		N/A