Regulatory press release

Tieto: Share repurchases on week 22

Tieto Corporation    Stock
exchange release    29 May
2026 at 06:30 p.m. EET

Tieto: Share repurchases on
week 22

In the Helsinki Stock
Exchange

Date Quantity Average price Total
price
25.5.2026 40 000 20,6392 825
568
26.5.2026 40 000 20,5311 821
244
27.5.2026 39 450 20,3356 802
239
28.5.2026 40 550 20,397 827
098
29.5.2026 40 000 20,4476 817
904
Total in week 22 200 000 20,4703 4 094
054

Tieto now holds a total of
1,220,000 shares
including the shares
repurchased on 29.5.2026

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.

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
s are\
listed on the NASDAQ\
exchange\
 in Helsinki and Stockholm\,\
as well as on Oslo Børs.\
www.tieto.com\