PRINCETON, N.J., July 1, 2020 - Miami International Holdings, Inc. (MIH) today reported June 2020 trading results for its three fully electronic options exchanges – MIAX®, MIAX PEARL® and MIAX Emerald™ (together, the MIAX Exchange Group™). The MIAX Exchange Group collectively executed over 82 million equity option contracts in June for a combined average daily volume (ADV) of 3,728,639 contracts, representing a total U.S. equity options market share of 12.60%.

June 2020 records:

MIAX

• New monthly record for contracts executed
  • 32,868,021 contracts

MIAX PEARL

• New monthly record for contracts executed
  • 34,463,389 contracts

MIAX Exchange Group

• New monthly market share record
  • 12.60% market share
• New daily record for contracts executed
  • 5,842,317 on June 11, 2020
• New monthly record for contracts executed
  • 82,030,056 contracts

For further information regarding the MIAX Exchange Group, please visit www.MIAXOptions.com or contact MIAX Trading Operations at TradingOperations@MIAXOptions.com.

Corporate Communications Contact:

Dominique Prunetti-Miller

(609) 897-1465

dprunetti@miami-holdings.com

About MIH and the MIAX Exchange Group

Miami International Holdings, Inc. (MIH) is the parent holding company of Miami International Securities Exchange, LLC (MIAX® ), MIAX PEARL, LLC (MIAX PEARL® ) and MIAX Emerald, LLC (MIAX Emerald™ and together with MIAX and MIAX PEARL, the MIAX Exchange Group™), three fully electronic options trading exchanges. MIH also owns a controlling interest in the Bermuda Stock Exchange.

MIAX, MIAX PEARL and MIAX Emerald leverage the MIAX Exchange Group’s industry-leading technology and infrastructure to provide their member firms with traditional pricing and pro rata allocation (MIAX), maker-taker pricing and price-time allocation (MIAX PEARL) market structures, and a hybrid market structure with maker-taker pricing and pro rata allocation (MIAX Emerald).

MIAX Options serves as the exclusive exchange venue for cash-settled options on the SPIKES® Volatility Index (Ticker: SPIKE), a measure of the expected 30-day volatility in the SPDR® S&P 500® ETF (SPY).

The MIAX Exchange Group’s executive offices and National Operations Center are located in Princeton, NJ, with additional offices located in Miami, FL.

To learn more about MIH and the MIAX Exchange Group visit www.MIAXOptions.com.

Disclaimer and Cautionary Note Regarding Forward-Looking Statements

The press release shall not constitute an offer to sell or a solicitation of an offer to purchase any securities of Miami International Holdings, Inc. (together with its subsidiaries, the Company), and shall not constitute an offer, solicitation or sale in any state or jurisdiction in which such offer; solicitation or sale would be unlawful. This press release may contain forward-looking statements, including forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. Forward-looking statements describe future expectations, plans, results, or strategies and are generally preceded by words such as “may”, “future”, “plan” or “planned”, “will” or “should”, “expected,” “anticipates”, “draft”, “eventually” or “projected”. You are cautioned that such statements are subject to a multitude of risks and uncertainties that could cause future circumstances, events, or results to differ materially from those projected in the forward-looking statements, including the risks that actual results may differ materially from those projected in the forward-looking statements.

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