Change in Tieto’s Leadership Team

Tieto Corporation        STOCK EXCHANGE RELEASE       6 March 08.45 am EET

Tieto is announcing a change in its Leadership Team. Lasse Heinonen, Chief Financial Officer (CFO), has decided to pursue a new opportunity outside Tieto in another industry, and will be leaving the company by 1 August 2018. The search for his successor has been initiated.

Lasse Heinonen joined the company in 2011 and has been active in Tieto’s renewal across multiple functions. During 2015–2016, Heinonen also held a role as acting Head of Telecom, Media and Energy Industry Group.

“I want to express my warmest thanks to Lasse Heinonen for his valuable contribution to Tieto’s progress over the last seven years. Lasse has played a key role in strengthening the financial and investment management in the company – and has directly contributed to the positive financial development and value creation of Tieto. He has also been an important part of our executive leadership team and provided strong support to our businesses. I wish him all the very best in his future endeavors,” says Kimmo Alkio, President and CEO, Tieto Corporation.

Further information for investors: Tanja Lounevirta, Head of Investor Relations, +358 50 321 7510, tanja.lounevirta (at) tieto.com

Further information for media: Kia Haring, Head of Global Communications, tel. +358 40 765 3700, kia.haring(at)tieto.com

TIETO CORPORATION

DISTRIBUTION

NASDAQ Helsinki

Principal Media

Tieto aims to capture the significant opportunities of the data-driven world and turn them into lifelong value for people, business and society. We aim to be customers’ first choice for business renewal by combining our software and services capabilities with a strong drive for co-innovation and ecosystems.

Headquartered in Finland, Tieto has over 14 000 experts in close to 20 countries. Tieto’s turnover is approximately EUR 1.5 billion and shares listed on NASDAQ in Helsinki and Stockholm. www.tieto.com