MIAMI INTERNATIONAL HOLDINGS, INC.

At our request, the IPO underwriters sold 750,000 shares of our common stock, or five

percent (5%) of the shares offered in our IPO at the public offering price of $23.00 per share

through a directed share program (the “Directed Share Program”) to our certain of our directors,

officers and employees, and certain individuals associated with us and our stockholders,

including (i) Albert M. Barro, one of our former directors, who purchased 13,000 shares of our

common stock for a total purchase price of $299,000, (ii) Barry J. Belmont, one of our former

directors, who purchased 50,000 shares of our common stock for a total purchase price of

$1,150,000, (iii) Lisa Moore, one of our directors, who purchased 5,500 shares of our common

stock for a total purchase price of $126,500 and (iv) Thomas P. Gallagher, our Chairman and

Chief Executive Officer, and his spouse who jointly purchased 14,000 shares of our common

stock for a total purchase price of $322,000. The Directed Share Program was arranged through

one of the representatives of the underwriters in the IPO.

Employment Arrangements with Immediate Family Members of Our Executive Officers