UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 14A

Proxy Statement Pursuant to Section 14(a) of the

Securities Exchange Act of 1934

Filed by the Registrant  ☐                             Filed by a Party other than the Registrant  ☒

Check the appropriate box:

☐	Preliminary Proxy Statement
☐	Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))
☐	Definitive Proxy Statement
☒	Definitive Additional Materials
☐	Soliciting Material Pursuant to §240.14a-12

MONEYGRAM INTERNATIONAL, INC.

(Name of Registrant as Specified In Its Charter)

Matrix Acquisition Corp.

(Name of Person(s) Filing Proxy Statement, if other than the Registrant)

Payment of Filing Fee (Check the appropriate box):

☒	No fee required.
☐	Fee computed on table below per Exchange Act Rules 14a-6(i)(1) and 0-11.
	(1)	Title of each class of securities to which transaction applies:
	(2)	Aggregate number of securities to which transaction applies:
	(3)	Per unit price or other underlying value of transaction computed pursuant to Exchange Act Rule 0-11 (set forth the amount on which the filing fee is calculated and state how it was determined):
	(4)	Proposed maximum aggregate value of transaction:
	(5)	Total fee paid:
☐	Fee paid previously with preliminary materials.
☐	Check box if any part of the fee is offset as provided by Exchange Act Rule 0-11(a)(2) and identify the filing for which the offsetting fee was paid previously. Identify the previous filing by registration statement number, or the Form or Schedule and the date of its filing.
	(1)	Amount Previously Paid:
	(2)	Form, Schedule or Registration Statement No.:
	(3)	Filing Party:
	(4)	Date Filed:

On May 9, 2017, the following tweet was shared under the Twitter handle @AntFinancial:

Additional Information for Stockholders

In connection with the proposed merger with Ant Financial, MoneyGram has filed a definitive proxy statement and other materials with the Securities and Exchange Commission (the “SEC”). In addition, MoneyGram may also file other relevant documents with the SEC regarding the proposed transaction. INVESTORS AND SECURITY HOLDERS ARE URGED TO READ THE PROXY STATEMENT(S) AND OTHER DOCUMENTS THAT HAVE BEEN OR MAY BE FILED WITH THE SEC CAREFULLY AND IN THEIR ENTIRETY IF AND WHEN THEY BECOME AVAILABLE BECAUSE THEY WILL CONTAIN IMPORTANT INFORMATION. Investors and security holders may obtain a free copy of the proxy statement(s) and other documents filed with the SEC by MoneyGram, at MoneyGram’s website, corporate.moneygram.com, or at the SEC’s website, www.sec.gov. The proxy statement(s) and other relevant documents may also be obtained for free from MoneyGram by writing to MoneyGram International, Inc., 2828 North Harwood Street, 15th Floor, Dallas, Texas 75201, Attention: Investor Relations.

MoneyGram and its directors and executive officers may be deemed to be participants in the solicitation of proxies from the stockholders of MoneyGram in connection with the proposed transaction. Information about the directors and executive officers of MoneyGram is set forth in the Proxy Statement on Schedule 14A for the 2016 annual meeting of stockholders for MoneyGram, which was filed with the SEC on April 4, 2016. This document can be obtained free of charge from the sources indicated above. Other information regarding the participants in the proxy solicitation and a description of their direct and indirect interests, by security holdings or otherwise, is contained in the definitive proxy statement and other relevant materials to be filed with the SEC when they become available.