MIAX Options Exchange Successfully Launches

                 MIAX Options Exchange Successfully Launches

  PR Newswire

  PRINCETON, New Jersey, Dec. 8, 2012

PRINCETON, New Jersey, Dec. 8, 2012 /PRNewswire/ -- MIAX Options Exchange
("MIAX"), the newest U.S. equity options exchange, announced a successful
launch today of its much anticipated trading operations with the rollout of
its first symbol, Cliffs Natural Resources Inc. ("CLF"). MIAX achieved
approximately 4.21% of market share of CLF on its first day of trading.

Thomas P. Gallagher, MIAX's Chairman and Chief Executive Officer said, "Today
marks a tremendous milestone for MIAX with the launch of our options exchange,
and we are excited to commence trading operations on MIAX. Continued
Gallagher, "We would like to thank all of our exchange members and order flow
providers, members of the options industry, our investors and employees for
their efforts toward a successful launch." 

"We are very satisfied with the performance of our systems during the first
day of live trading," said Doug Schafer, Executive Vice President and Chief
Information Officer at MIAX. Schafer continued, "All reports from our members
have been overwhelmingly positive as our trading platform performed to their
expectations. We are confident that the MIAX systems will be able to meet the
trading needs of our members going forward."

MIAX will begin rolling out additional symbols later this month, the details
of which will be made available at www.MIAXOptions.com .

MIAX is a fully electronic options trading exchange. Its trading platform has
been developed in-house and designed from the ground up for the unique
functional and performance demands of derivatives trading. The MIAX executive
offices and technology development center are located in Princeton, New
Jersey. The National Operations Center for the MIAX Options Exchange is also
housed at the Princeton facility. Additional executive offices, as well as a
multi-purpose training, meeting and conference center will be located in a
state-of-the-art facility in Miami, Florida.

For further information regarding the MIAX Options Exchange, including news
and recent developments, Trader Alerts, member onboarding, and technology
onboarding, including specifications and requirements, please visit
www.MIAXOptions.com or contact MIAX Trading Operations at
TradingOperations@MIAXOptions.com . 

Corporate Communications Contact : Oly Wirtz

About MIAX Options Exchange

MIAX is a wholly-owned subsidiary of Miami International Holdings, Inc.
(MIH). MIAX has assembled a team with deep rooted experience in developing,
operating and trading on options exchanges. The initial focus of MIH is to
leverage management's expertise and relationships in the equity options space
to launch the MIAX Options Exchange. MIAX intends to launch the MIAX Equities
Exchange once the MIAX Options Exchange is operational and plans to pursue
Latin American equity listings. The launch of the MIAX Equities Exchange is
subject to SEC approval. The vision for the MIAX Equities Exchange is to
become a marketplace that enables access to the Latin American markets, a
place where global Hispanic entrepreneurs can seek capital and growth
opportunities, and an exchange where Latin American companies will want to be
listed. MIAX believes that Miami is the ideal location for taking advantage
of the rapidly developing business opportunities emanating from the Americas
and that Latin American companies will be interested in listing on the MIAX
because of its presence in Miami. The MIAX Futures Exchange is also planned
as a follow-on initiative. The launch of the MIAX Futures Exchange is subject
to CFTC approval.

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 MIH, 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. Such
forward-looking statements include, but are not limited to, statements
concerning the plans, objectives, expectations and intentions and other
statements that are not historical or current facts of MIH, together with its
subsidiaries, including MIAX (the "Company"). Forward-looking statements
include, but are not limited to, statements about the possible or assumed
future results of operations of the Company; the competitive position of the
Company; potential growth opportunities available to the Company; the
expectation with respect to securities, options and future markets and general
economic conditions; the effects of competition on the Company's business; and
the impact of future legislation and regulatory changes on the Company's
business. Forward-looking statements are based on the Company's current
expectations and involve risks and uncertainties that could cause actual
results to differ materially from those expressed or implied in such
forward-looking statements.

Website: http://www.miaxoptions.com
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