Basware Oyj

Major Shareholding Notification • Feb 2, 2018

Disclosure 357932

BasWare - Major shareholder announcements

Flagging notification in accordance with Chapter 9 Section 10 of the Finnish Securities Markets Act

Basware Corporation, stock exchange release, Feb 2, 2018 at 8.30am Flagging notification in accordance with Chapter 9 Section 10 of the Finnish Securities Markets Act Notice pursuant to the Finnish Securities Market Act (Section 9:5): The total number of shares represented by Massachusetts Mutual Life Insurance Company has increased above 5% of Basware Corporation’s share capital and voting rights on Jan 31, 2018. This notification has been given to Basware Corporation's information on Feb 1, 2018. The holding of Massachusetts Mutual Life Insurance Company after the disclosure: +-------------------------------------+-------+--------------+-------------+ |Shares (trading code, ISIN code) |Number |Percent (%) of|Percent (%) | |BAS1V |of |share capital |voting rights| |ISIN: FI0009008403 |shares | | | +-------------------------------------+-------+--------------+-------------+ |Resulting situation on the date on |725,604|5.03% |5.03% | |which threshold was crossed or | | | | |reached: | | | | |Massachusetts Mutual Life Insurance | | | | |Company | | | | +-------------------------------------+-------+--------------+-------------+ |Position of previous notification (if| | | | |applicable): | | | | +-------------------------------------+-------+--------------+-------------+ The total number of shares of Basware Corporation is 14,401,936. The company has one share series, each share entitling to one vote. For more information, please contact: Ben Selby, Head of Investor Relations, Basware Corporation Tel. +358 50 305 8077, ben.selby@basware.com Distribution: Nasdaq Helsinki Key media www.basware.com/investors About Basware: Basware (http://www.basware.com/) (Nasdaq: BAS1V) is the global leader in providing networked source-to-pay solutions, e-invoicing and value added services. Basware’s commerce and financing network connects businesses in over 100 countries and territories around the globe. As the largest open business network in the world, Basware provides scale and reach for organizations of all sizes, enabling them to grow their business and unlock value across their operations by simplifying and streamlining financial processes. Small and large companies around the world achieve significant cost savings, more flexible payment terms, greater efficiencies and closer relationships with their suppliers. Find out more at http://investors.basware.com/en. Follow Basware on Twitter: @Basware (https://twitter.com/basware), join the discussion on the Basware LinkedIn (http://www.linkedin.com/company/basware), Basware Facebook (http://www.facebook.com/BaswareCorporation) and Basware Blog (http://www.basware.com/blog).