NY-TRADEWEB-MARKETS

Tradeweb Markets, a leading, global operator of electronic marketplaces for rates, credit, money markets and equities, today announced that Tradeweb Markets Inc. has filed a registration statement on Form S-1 with the Securities and Exchange Commission for a proposed initial public offering of its Class A common stock. The number of shares to be offered and the price range for the offering have not yet been determined. Tradeweb intends to list its Class A common stock on the NASDAQ Global Select Market under the ticker symbol “TW.”

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Tradeweb intends to use the net proceeds from the offering to purchase equity interests from certain existing owners. Refinitiv will continue to own a controlling interest in Tradeweb following the offering.

J.P. Morgan, Citigroup, Goldman Sachs & Co. LLC and Morgan Stanley are acting as the joint book-running managers for the offering.

The proposed offering of these securities will be made only by means of a prospectus. When available, a copy of the preliminary prospectus relating to the proposed initial public offering may be obtained from J.P. Morgan Securities LLC, c/o Broadridge Financial Solutions, 1155 Long Island Avenue, Edgewood, New York 11717, by email at prospectus-eq_fi@jpmchase.com or toll-free at (866) 803-9204; Citigroup Global Markets Inc., Attention: Prospectus Department, c/o Broadridge Financial Solutions, 1155 Long Island Avenue, Edgewood, New York 11717, or by telephone at (800) 831-9146; Goldman Sachs & Co. LLC, Attention: Prospectus Department, 200 West Street, New York, New York 10282, by email at prospectus-ny@ny.email.gs.com or by telephone at (866) 471-2526; or Morgan Stanley & Co. LLC, Attention: Prospectus Department, 180 Varick Street, Second Floor, New York, New York 10014.

A registration statement relating to these securities has been filed with the Securities and Exchange Commission but has not yet become effective. These securities may not be sold nor may offers to buy be accepted prior to the time the registration statement becomes effective. This news release shall not constitute an offer to sell or the solicitation of an offer to buy, nor shall there be any sale of these securities in any state or jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of any such state or jurisdiction.

About Tradeweb Markets

Tradeweb Markets is a leading, global operator of electronic marketplaces for rates, credit, money markets and equities. Founded in 1996, Tradeweb provides access to markets, data and analytics, electronic trading, straight-through-processing and reporting for more than 40 products to clients in the institutional, wholesale and retail markets. Advanced technologies developed by Tradeweb enhance price discovery, order execution and trade workflows while allowing for greater scale and helping to reduce risks in client trading operations. Tradeweb serves approximately 2,500 clients in more than 60 countries. In an average trading day, Tradeweb facilitates more than $540 billion in notional value.

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Contact:

Investor Relations: Ashley Serrao +1 (646) 430-6000 Ashley.Serrao@Tradeweb.com Media Relations: Jonathan Mairs +1 (646) 430-6176 Jonathan.Mairs@Tradeweb.com