Company: MCGAU
Filing Date: 2025-12-01
Form Type: 425
Source: 0001104659-25-117351
Chunk: 2

Company: Yorkville Acquisition Corp.
Filing Date: 2025-12-01
Form: 425
Chunk 2
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 SEC. This communication does not
contain all of the information that should be considered concerning the Business Combination and is not intended to form the basis
of any investment decision or any other decision in respect of the Business Combination. BEFORE MAKING ANY VOTING OR INVESTMENT
DECISION, SHAREHOLDERS OF YORKVILLE ACQUISITION CORP. AND OTHER INTERESTED PARTIES ARE URGED TO READ, WHEN AVAILABLE, THE
PRELIMINARY PROXY STATEMENT/PROSPECTUS, AND AMENDMENTS THERETO, AND THE DEFINITIVE PROXY STATEMENT/PROSPECTUS AND ALL OTHER RELEVANT
DOCUMENTS FILED OR THAT WILL BE FILED WITH THE SEC IN CONNECTION WITH YORKVILLE ACQUISITION CORP.’S SOLICITATION OF PROXIES
FOR THE EXTRAORDINARY GENERAL MEETING OF ITS SHAREHOLDERS TO BE HELD TO APPROVE THE BUSINESS COMBINATION AND OTHER MATTERS AS
DESCRIBED IN THE PROXY STATEMENT/PROSPECTUS BECAUSE THESE DOCUMENTS WILL CONTAIN IMPORTANT INFORMATION ABOUT YORKVILLE ACQUISITION
CORP. AND THE BUSINESS COMBINATION. Investors and security holders will also be able to obtain copies of the Registration Statement
and the Proxy Statement/Prospectus and all other documents filed or that will be filed with the SEC by Yorkville Acquisition Corp.,
without charge, once available, on the SEC’s website at www.sec.gov or by directing
a request to: Yorkville Acquisition Corp., 1012 Springfield Avenue, Mountainside, New Jersey 07092; e-mail: YORK@mzgroup.us.

NEITHER THE SEC NOR ANY STATE SECURITIES REGULATORY
AGENCY HAS APPROVED OR DISAPPROVED THE BUSINESS COMBINATION DESCRIBED HEREIN, PASSED UPON THE MERITS OR FAIRNESS OF THE BUSINESS COMBINATION
OR ANY RELATED TRANSACTIONS OR PASSED UPON THE ADEQUACY OR ACCURACY OF THE DISCLOSURE IN THIS COMMUNICATION. ANY REPRESENTATION TO THE
CONTRARY CONSTITUTES A CRIMINAL OFFENSE.

Participants in the Solicitation

Yorkville Acquisition Corp. and its respective
directors, executive officers, certain of its shareholders and other members of management and employees may be deemed under SEC rules
to be participants in the solicitation of proxies from Yorkville Acquisition Corp.’s shareholders in connection with the Business
Combination. A list of