Regulatory press release

Tieto: Share repurchases on 8.5.2026

Tieto Corporation    Stock
exchange release    8 May
2026 at 06:30 p.m. EET

Tieto: Share repurchases on
8.5.2026

In the Helsinki Stock
Exchange

Trade date           8.5.2026
Bourse trade         Buy
Share                  TIETO
Amount             30,000 Shares
Average price/ share    19.8840 EUR
Total cost            596,520.00 EUR

Tieto now holds a total of
650,000 shares
including the shares
repurchased on 8.5.2026

The share buybacks are
executed in compliance with
Regulation
No. 596/2014 of the European
Parliament and Council (MAR)
Article 5
and the Commission Delegated
Regulation (EU) 2016/1052.

In connection with the
implementation of the
Listing Act, the provision
in
Chapter 8 of the Securities
Markets Act (AML) on the
notification of
transactions with issuer 's
own shares changed. The
provision changed
with regard to the
notification period so that
a notification of
acquisitions
and transfers must be
submitted by the end of the
seventh trading day
at the latest. Notifications
of share repurchases will
going forward be
submitted by the end of the
seventh trading day at the
latest.

On behalf of Tieto
Corporation

Nordea Bank Oyj

Sami Huttunen Ilari Isomäki

For further information,
please contact:

Tommi Järvenpää, Head of
Investor Relations, tel.
+358 40 576 0288,
tommi.jarvenpaa(at)tieto.com

Distribution
NASDAQ Helsinki
NASDAQ Helsinki
Oslo Børs
Principal Media

Tieto is a leading software
and digital engineering
services company with global
market reach and
capabilities.
We provide customers across
different industries with
mission-critical solutions
through our specialized
software
businesses Tieto Caretech,
Tieto Banktech and Tieto
Indtech as well as Tieto
Tech Consulting business.
Our
around 14 000 talented
vertical software, design,
cloud and AI experts are
dedicated to empowring our
customers to succeed and
innovate with latest
technology.

Tieto`s annual revenue is
approximately EUR 2 billion.
The company`s shares are
listed on the NASDAQ
exchange
 in Helsinki and Stockholm,
as well as on Oslo Børs.
www.tieto.com