Basware Oyj

Major Shareholding Notification • Sep 3, 2020

Disclosure 386829

BasWare - Major shareholder announcements

Basware: Notification in accordance with Chapter 9 Section 5 and 6 of the Securities Markets Act

Basware Corporation, stock exchange release, September 3, 2020 at 9.30 am EEST Basware Corporation has received on September 2, 2020 the following notification pursuant to Chapter 9, Section 5 and 6 of the Finnish Securities Market Act from Arrowgrass Capital Partners LLP according to which their total holding of shares of Basware Corporation has decreased below 25 percent on September 2, 2020. Basware Corporation has one series of shares in which each share carries one vote. The total number of shares and votes is 14,420,936 The holding of Arrowgrass Capital Partners LLP and its fund Arrowgrass Master Fund Ltd according to the notification: % of % of Total of shares and shares and voting rights both in % voting through financial rights instruments Resulting 22.6% 0% 22.6% situation on the date on which threshold was crossed or reached: Position of 25.0% 0% 25.0% previous notification (if applicable): Notified details of the resulting situation following the crossing of the threshold: A: Shares and voting rights Number of % of shares and voting rights shares and voting rights Class/type Direct Indirect Direct Indirect (SMA 9:6 and 9:7) of shares: (SMA 9:5) (SMA 9:6 (SMA 9:5) and 9:7) FI0009008403 3,259,656 0 22.6% 0% Subtotal 3,259,656 22.6% (A): For more information, please contact: Ben Selby, VP IR & Treasury, Basware Corporation Tel. +358 50 305 8077, ben.selby@basware.com Distribution: Nasdaq Helsinki Main media investors.basware.com/en About Basware: Basware offers the largest open business network in the world and is the global leader in providing networked purchase-to-pay solutions and e-invoicing services. Our technology empowers organisations with 100% spend visibility by enabling the capture of all financial data across procurement, finance, accounts payable and accounts receivable functions. Basware is a global company doing business in more than 100 countries and is traded on the Helsinki exchange (BAS1V: HE). Find out more at http://investors.basware.com/en.