Semi-Annual Review of the OMX Helsinki 25 Index

The new portfolio of the OMX Helsinki 25 index will become effective on February 1, 2017.

Helsinki, January 11, 2017 — Nasdaq (NASDAQ: NDAQ ) announces today the results of the semi-annual review of the OMX Helsinki 25 index, (Nasdaq Helsinki: OMXH25), which will become effective with the market open on Wednesday February 1, 2017.

Nasdaq reports that there is no addition and no deletion to the OMXH25 constituent list in this semi-annual review.

The OMX Helsinki 25 Index, launched in 1988, is the leading equity index for the Finnish equity market including the 25 most traded Blue chip companies on Nasdaq Helsinki. The index is designed to track the Finnish equity market and act as underlying for financial products such as options, futures, exchange-traded funds and mutual funds.

The OMX Helsinki 25 index constituents effective February 1, 2017, are:

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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.

FOR MEDIA RELATIONS: Maarit Bystedt tel. +358 (0) 9 6166 7274 maarit.bystedt@nasdaq.com