STRABAG SE, AT000000STR1

STRABAG SE, AT000000STR1

03.01.2023 - 11:21:50

EQS-PVR: STRABAG SE: Release according to Article 135, Section 2 B?rseG with the objective of Europe-wide distribution

Major holdings notification pursuant to Sec. 130 to 134 B?rseG 2018 Wien, ?3.1.2023Overview ? 1. Issuer: STRABAG SE2. Reason for the notification:?? Other3. Person subject to notification obligation Acting in concert agreement (Sec. 133 No. 1 B?rseG 2018)

First name Name/Surname City Country ? BLR-Baubeteiligungs GmbH. Wien ?sterreich ? RAIFFEISEN-HOLDING NIEDER?STERREICH-WIEN registrierte Genossenschaft m.b.H. Wien ?sterreich ? Haselsteiner Familien-Privatstiftung Spittal/Drau ?sterreich Hans Peter Haselsteiner ? ? Klemens Peter Haselsteiner ? ? ? UNIQA Beteiligungs-Holding GmbH Wien ?sterreich ? UNIQA Erwerb von Beteiligungen Gesellschaft m.b.H. Wien ?sterreich ? UNIQA ?sterreich Versicherungen AG Wien ?sterreich ? UNIQA Insurance Group AG Wien ?sterreich 4. Name of shareholder(s):???5. Date on which the threshold was crossed or reached: 1.1.2023 ?

6. Total positions

? % of voting rights attached to shares (7.A) % of voting rights through financial/other instruments (7.B.1 + 7.B.2) Total of both in % (7.A + 7.B) Total number of voting rights of issuer Resulting situation on the date on which threshold was crossed / reached 57,78 % 27,78 % 85,56 % 102?600?000 Position of previous notification (if applicable) 79,80 % 0,00 % 79,80 % ? ?

? Details7. Notified details of the resulting situation: ? A: Voting rights attached to shares ISIN Code Number of voting rights % of voting rights Direct (Sec 130 B?rseG 2018) Indirect (Sec 133 B?rseG 2018) Direct (Sec 130 B?rseG 2018) Indirect (Sec 133 B?rseG 2018) AT000000STR1 ? 59?281?130 ? 57,78 % Namensaktie / Registered shares ? 2 ? 0,00 % SUBTOTAL A 59?281?132 57,78 % ?

B 1: Financial / Other Instruments pursuant to Sec. 131 para. 1 No. 1 B?rseG 2018 Type of instrument Expiration Date Exercise Period Number of voting rights that may be acquired if the instrument is exercised % of voting rights Vorkaufsrecht / Right of First Refusal See No 10 20 days 28?500?001 27,78 % ? ? SUBTOTAL B.1 28?500?001 27,78 % ?

B 2: Financial / Other Instruments pursuant to Sec. 131 para. 1 No. 2 B?rseG 2018 Type of instrument Expiration Date Exercise Period Physical / Cash Settlement Number of voting rights % of voting rights ? ? ? ? ? ? ? ? ? SUBTOTAL B.2 ? ? ?

? ?

8. Information in relation to the person subject to the notification obligation: Full chain of controlled undertakings through which the voting rights and/or the financial/other instruments are effectively held starting with the ultimate controlling natural person or legal entity:

No. Name Directly controlled by No. Shares held ?directly (%) Financial/other instruments held ?directly (%) Total of both (%) 1 Haselsteiner Hans Peter ? 0,05 % ? 0,05 % 2 Haselsteiner Familien-Privatstiftung 1 28,28 % ? 28,28 % 3 Haselsteiner Klemens Peter ? 0,00 % ? 0,00 % 4 RAIFFEISEN-HOLDING NIEDER?STERREICH-WIEN reg. Gen.m.b.H. ? 7,05 % ? 7,05 % 5 BLR-Baubeteiligungs GmbH. 4 7,11 % ? 7,11 % 6 UNIQA Insurance Group AG ? 0,02 % ? 0,02 % 7 UNIQA Beteiligungs-Holding GmbH 6 0,00 % ? 0,00 % 8 UNIQA ?sterreich Versicherungen AG 7 13,93 % ? 13,93 % 9 UNIQA Erwerb von Beteiligungen Gesellschaft m.b.H. 8 1,34 % ? 1,34 % ? ? ? ? ? ? ?

9. In case of proxy voting Date of general meeting: - Voting rights after general meeting: - is equivalent to - voting rights. ?

10. Sonstige Kommentare: The Core Shareholders Syndicate existing since April 23rd, 2007 ended upon expiry of December 31st, 2022. Despite the termination of the Core Shareholders Syndicate, the right of first refusal of the legal entities mentioned in item 8. under items 1 to 3 and the right of first refusal of the legal entities mentioned in item 8. under items 4 to 9 shall remain valid as long as they each hold at least 8.5% of the share capital of the Issuer. MKAO Rasperia Trading Limited is subject to Council Regulation (EU) No. 269/2014 of 17.03.2014 concerning restrictive measures in view of acts undermining or threatening the territorial integrity, sovereignty and independence of Ukraine, as amended/amended ('EU Sanctions Regulation'). Accordingly, MKAO Rasperia Trading Limited is not entitled to sell the shares of the Issuer held by it and, therefore, for the duration of the EU Sanctions Regulation, the right of first refusal does not apply unless the sanctioning authority gives its consent to a sale of such shares by MKAO Rasperia Trading Limited. The persons mentioned under point 3 have formed a syndicate without MKAO Rasperia Trading Limited. ?Wien am ?3.1.2023 ?

03.01.2023 CET/CEST

Language: English Company: STRABAG SE Donau-City-Stra?e 9 1220 Vienna

Austria Internet: www.strabag.com ? End of News EQS News Service

1525673??03.01.2023?CET/CEST

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