Caverion Oyj

Major Shareholding Notification • Apr 12, 2023

Notification according to Chapter 9, Section 10 of the Finnish Securities Markets Act of change in holdings in Caverion Corporation shares: Crayfish BidCo Oy and Triton V LuxCo 87 SARL

Caverion Corporation Stock exchange release 12 April 2023 at 9.00 p.m. EEST

Notification according to Chapter 9, Section 10 of the Finnish Securities Markets Act of change in holdings in Caverion Corporation shares: Crayfish BidCo Oy and Triton V LuxCo 87 SARL

Caverion Corporation has on 12 April 2023 received an announcement under Chapter 9, Section 5 of the Finnish Securities Markets Act, according to which the holding of Crayfish BidCo Oy ("Crayfish BidCo", a company ultimately owned by Triton V LuxCo 87 SARL based in Luxembourg) has exceeded the threshold of 20 per cent. According to the announcement, the holding exceeded the threshold on 11 April 2023.

According to the announcement, the direct holding of Crayfish BidCo Oy in Caverion has increased to 33,304,907 shares, corresponding to 23.97 per cent of Caverion's shares and voting rights. The indirect holding of Triton V LuxCo 87 SARL in Caverion has increased to 33,304,907 shares, corresponding to 23.97 per cent of Caverion's shares and voting rights. Caverion has one share series, each share entitling to one vote. Caverion's registered total number of shares amounting to 138,920,092 has been used in the calculation of percentages for the announcement.

% shares and voting rights % of shares and voting rights through financial instruments % of total Resulting situation on the date on which threshold was crossed or reached 23.97% 23.97% Position of previous notification (if applicable) 9.82% 9.82%

Total positions of person(s) subject to the notification:

Notified details of the resulting situation on the date on which the threshold was crossed:

A: Shares and voting rights:

Class/type of shares		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)
FI4000062781	33,304,907 (CrayfishBidCo Oy)	33,304,907 (Triton VLuxCo 87 SARL)	23.97% (Crayfish BidCoOy)	23.97% (Triton VLuxCo 87 SARL)
SUBTOTAL A	33,304,907		23.97%

B: Financial instruments according to SMA 9:6a:

Type of financial instrument	Expiration date	Exercise/ Conversion Period	Physical or cash settlement	Number of shares and voting rights	% of shares and voting rights
N/A	N/A	N/A	N/A	N/A	N/A
			SUBTOTAL B	N/A	N/A

Full chain of controlled undertakings through which the voting rights and/or the financial instruments are effectively held starting with the ultimate controlling natural person or legal entity:

Name	Number of shares and voting rights	% of shares and voting rights	% of shares and voting rights through financial instruments	Total of both
Triton V LuxCo 87 SARL	0	0.00	0.00	0.00
Triton V LuxCo 86SARL	0	0.00	0.00	0.00
Triton V LuxCo 89 SARL	0	0.00	0.00	0.00
Crayfish HoldCo Oy	0	0.00	0.00	0.00
Crayfish BidCo Oy	33,304,907	23.97	0.00	23.97%

CAVERION CORPORATION

Distribution: Nasdaq Helsinki, principal media, www.caverion.com

For further information:

Milena Hæggström, Head of Investor Relations, tel. +358 40 5581 328, milena.haeggstrom@caverion.com

Caverion is an expert for smart and sustainable built environments, enabling performance and people's well-being. Customers can trust our expertise during the entire life cycle of their buildings, infrastructure or industrial sites and processes: from installation and maintenance of base and smart technologies, to managed services as well as advisory and engineering services and digital solutions. Our customers are supported by almost 14,500 Caverion professionals in 10 countries in Northern and Central Europe. Our revenue in 2022 was over EUR 2.3 billion. Caverion's shares are listed on Nasdaq Helsinki.

www.caverion.com @CaverionGroup

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