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

Basware Corporation, stock exchange release, February 23, 2021 at 10.00 am EET

Basware Corporation has received on February 22, 2021 the following notification
pursuant to Chapter 9, Section 5 of the Finnish Securities Market Act from Long
Path Partners LP according to which their total holding of shares of Basware
Corporation has increased above ten (10) percent on February 22, 2021. According
to the notification, the reason for the notification was an acquisition or
disposal of shares or voting rights.

Basware Corporation has one series of shares in which each share carries one
vote. The total number of shares and votes is 14,463,936.

The holding of Long Path Partners LP according to the notification:

                   % of      % of      Total of   Total number of shares
                  shares  shares and   both in %   and voting rights of
                   and      voting                        issuer
                  voting    rights
                  rights    through
                           financial
                          instruments
Resulting         10.11%                10.11%          14,463,936
situation on the
date on
which threshold
was crossed or
reached:
Position of       5.28%                  5.28%
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  1,462,776             10.11%
Subtotal      1,462,776             10.11%
(A):

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 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 https://investors.basware.com/en.