Metso Outotec Oyj

Major Shareholding Notification • May 4, 2020

Disclosure 383073

Metso Oyj - Major shareholder announcements

Notification according to chapter 9, section 5 and 6 of the Securities Market Act: BlackRock Inc.’s holding in Metso

Metso Corporation, Stock exchange release on May 4, 2020 at 9:15 a.m. EET Metso Corporation has received a notification, pursuant to Chapter 9, Section 5 and 6 of the Finnish Securities Markets Act, about a change in the holding of mutual funds managed by BlackRock, Inc. of the total amount of shares and financial instruments entitling to shares of Metso Corporation. On April 29, 2020, BlackRock, Inc.'s total holding in Metso shares and in financial instruments entitling to shares exceeded 5 percent. BlackRock, Inc. had 7,286,774 shares or 4.84 percent of total shares and votes. Its holding through financial instruments amounted to 356,737 shares, which corresponds to 0.23 percent of the total amount of Metso’s shares. BlackRock, Inc.'s total position in Metso amounted to 7,643,511 or 5.08 percent of Metso’s shares and votes. Metso’s total number of shares and votes is 150,348,256. BlackRock, Inc.’s holdings according to the notification: % of shares and % of shares and voting rights Total of voting rights through financial instruments both in % (A) (B) (A + B) Resulting 4.84% 0.23% 5.08% situation on the date on which the threshold was reached Position of Below 5% Below 5% Below 5% previous notification A: Shares and voting rights Number of % of shares shares and and voting voting rights rights ISIN Code Direct Indirect Direct(SMA Indirect(SMA (SMA 9:5) (SMA 9:6 9:5) 9:6 and 7) and 7) FI0009007835 7,286,774 4.84% SUBTOTAL A 7,286,774 4.84% B: Financial Instruments according to SMA 9:6a Type of Expiration Exercise Physical of Number % of shares financial date Period cash of and voting instrument settlement shares rights and voting rights Securities N/A N/A Physical 181,693 0.12% Lent CDF N/A N/A Cash 175,044 0.11% SUBTOTAL B 356,737 0.23% Metso Corporation Distribution: Nasdaq Helsinki Media www.metso.com Metso is a world-leading industrial company offering equipment and services for the sustainable processing and flow of natural resources in the mining, aggregates, recycling and process industries. With our unique knowledge and innovative solutions, we help our customers improve their operational efficiency, reduce risks and increase profitability. Metso is listed on the Nasdaq Helsinki in Finland and had sales of about EUR 3.6 billion in 2019. Metso employs over 15,000 people in more than 50 countries. metso.com (https://www.metso.com/), twitter.com/metsogroup