Helsinki, January 19, 2021 - Nasdaq (Nasdaq:NDAQ) announced today the results of the semi-annual review of the OMX Helsinki 25 Index, (Nasdaq Helsinki: OMXH25), which will become effective at market open on Monday, February 1, 2021. There will be no changes to the Index Securities. The OMX Helsinki 25 Index measures the performance of a selection of the most traded securities listed on the Nasdaq Helsinki Ltd. The Index is reviewed semi-annually in February and August. For more information please refer to the OMX Helsinki 25 Index Methodology. About Nasdaq Global Indexes Nasdaq Global Indexes has been creating innovative, market-leading, transparent indexes since 1971. Today, our index offering spans geographies and asset classes and includes diverse families such as the Dividend and Income (includes Dividend Achievers), Dorsey Wright, Fixed Income (includes BulletShares), Global Equity, Green Economy, Nordic and Commodity indexes. We continuously offer new opportunities for financial product sponsors across a wide-spectrum of investable products and for asset managers to measure risk and performance. Nasdaq also provides exchange listing, custom index and design solutions to financial organizations worldwide. For more information about Nasdaq indexes, visit https://indexes.nasdaqomx.com/. About Nasdaq Nasdaq (Nasdaq: NDAQ) is a global technology company serving the capital markets and other industries. Our diverse offering of data, analytics, software and services enables clients to optimize and execute their business vision with confidence. To learn more about the company, technology solutions and career opportunities, visit us on LinkedIn, on Twitter @Nasdaq, or at www.nasdaq.com. Nasdaq Copenhagen, Nasdaq Helsinki, Nasdaq Iceland, Nasdaq Riga, Nasdaq Stockholm, Nasdaq Tallinn, Nasdaq Vilnius, and Nasdaq Clearing are respectively brand names for the regulated markets of Nasdaq Copenhagen A/S, Nasdaq Helsinki Ltd., Nasdaq Iceland hf., Nasdaq Riga, AS, Nasdaq Stockholm AB, Nasdaq Tallinn AS, AB Nasdaq Vilnius, and for the CCP Nasdaq Clearing AB. Nasdaq Nordic represents the common offering by Nasdaq Copenhagen, Nasdaq Helsinki, Nasdaq Iceland and Nasdaq Stockholm. Nasdaq Baltic represents the common offering by Nasdaq Tallinn, Nasdaq Riga and Nasdaq Vilnius. Cautionary Note Regarding Forward-Looking Statements The matters described herein contain forward-looking statements that are made under the Safe Harbor provisions of the Private Securities Litigation Reform Act of 1995. These statements include, but are not limited to, statements about Nasdaq and its products and offerings. We caution that these statements are not guarantees of future performance. Actual results may differ materially from those expressed or implied in the forward-looking statements. Forward-looking statements involve a number of risks, uncertainties or other factors beyond Nasdaq's control. These factors include, but are not limited to factors detailed in Nasdaq's annual report on Form 10-K, and periodic reports filed with the U.S. Securities and Exchange Commission. We undertake no obligation to release any revisions to any forward-looking statements. MEDIA CONTACT: Maarit Bystedt tel. +358 (0)9 6166 7274 maarit.bystedt@nasdaq.com