Vaisala Corporation

Disclosure in compliance with Chapter 9, Section 10 of the Finnish Securities Markets Act (May 10, 2024)

Vaisala Corporation
Stock exchange release
May 10, 2024, at 6:15 p.m. (EEST)

Vaisala Corporation: Disclosure in compliance with Chapter 9, Section 10 of the Finnish Securities Markets Act (May 10, 2024)
Vaisala Corporation has on May 10, 2024, received a notification pursuant to Chapter 9, Section 10 of the Finnish Securities Markets Act from Mandatum Oyj.

According to the notification, on May 10, 2024, Mandatum Oyj’s votes in Vaisala Corporation, including holding through financial instruments, exceeded the threshold of five (5) percent of shares. Vaisala Corporation’s series K shares were partly converted to series A shares. As a result, the total number of votes in the company decreased, and therefore, Mandatum Oyj’s share of votes exceeded five percent.

According to the notification of Mandatum Oyj:

	% of shares and voting rights (total of 7.A)	% of shares and voting rights through financial instruments (total of 7.B)	Total of both in % (7.A + 7.B)	Total number of shares and voting rights of issuer
Resulting situation on the date on which threshold was crossed or reached	2.38% of shares 5.76% of votes		2.38% of shares 5.76% of votes	36,436,728 shares 105,628,572 votes
Position of previous notification (if applicable)

A: Shares and voting rights
Class / type of shares ISIN-code (if possible)	Number of shares and voting rights		% of shares and voting rights
	Direct (SMA 9:5)	Indirect (SMA 9:6 and 9:7)	Direct (SMA 9:5)	Indirect (SMA 9:6 and 9:7)
Vaisala Oyj A FI0009900682		593,242 shares 593,242 votes		1.63% of shares 0.56% of votes
Vaisala Oyj K FI0009004899		274,800 shares 5,496,000 votes		0.75% of shares 5.20% of votes
SUBTOTAL A	868,042 shares 6,089,242 votes		2.38% of shares 5.76% of votes