=------------------------------------------------------------------------------- 
  Notification of voting rights transmitted by euro adhoc with the aim of a 
  Europe-wide distribution. The issuer is responsible for the content of this 
  announcement. 
=------------------------------------------------------------------------------- 
 
 
      Major holdings notification pursuant to Sec. 130 to 134 BörseG 2018 
 
                                                           Vienna, 12th May 2021 
Overview 
Notification made after deadline 
Caution: In case of violations of major holdings notification rules, please pay 
attention to Section 137 BörseG 2018 (Suspension of voting rights) 
1. Issuer: STRABAG SE 
2. Reason for the notification: Other 
3. Person subject to notification obligation 
Acting in concert agreement (Sec. 133 No. 7 BörseG 2018) 
 _____________________________________________________________________________ 
|___First_name____|_____Name/Surname_____|________City_________|___Country____| 
|                 |MKAO Rasperia Trading |Kaliningrad          |Russia        | 
|_________________|Limited_______________|_____________________|______________| 
|                 |MKAO Valtoura Holdings|Kaliningrad          |Russia        | 
|_________________|Limited_______________|_____________________|______________| 
|_________________|Melisantis_Limited____|Nicosia______________|Cyprus________| 
|_________________|Bradmion_Holdings_Ltd_|Nicosia______________|Cyprus________| 
|Oleg_____________|Deripaska_____________|Moscow_______________|Russia________| 
|                 |RAIFFEISEN-HOLDING    |                     |              | 
|                 |NIEDERÖSTERREICH-WIEN |Vienna               |AUT           | 
|                 |registrierte          |                     |              | 
|_________________|Genossenschaft_m.b.H._|_____________________|______________| 
|                 |BLR-Baubeteiligungs   |Vienna               |AUT           | 
|_________________|GmbH._________________|_____________________|______________| 
|                 |Haselsteiner Familien-|Spittal/Drau         |AUT           | 
|_________________|Privatstiftung________|_____________________|______________| 
|Hans_Peter_______|Haselsteiner__________|Spittal/Drau_________|AUT___________| 
|Klemens_Peter____|Haselsteiner__________|Vienna_______________|AUT___________| 
|                 |UNIQA Beteiligungs-   |Vienna               |AUT           | 
|_________________|Holding_GmbH__________|_____________________|______________| 
|                 |UNIQA Erwerb von      |                     |              | 
|                 |Beteiligungen         |Vienna               |AUT           | 
|_________________|Gesellschaft_m.b.H.___|_____________________|______________| 
|                 |UNIQA Österreich      |Vienna               |AUT           | 
|_________________|Versicherungen_AG_____|_____________________|______________| 
|                 |UNIQA Insurance Group |Vienna               |AUT           | 
|_________________|AG____________________|_____________________|______________| 
|                 |GULBIS Beteiligungs   |Vienna               |AUT           | 
|_________________|GmbH__________________|_____________________|______________| 
 
4. Name of shareholder(s): 
5. Date on which the threshold was crossed or reached: 
6. Total positions 
 ______________________________________________________________________________ 
|               |               |  % of voting  |              |               | 
|               |  % of voting  |rights through |Total of both |Total number of| 
|               |rights attached|financial/other| in % (7.A +  | voting rights | 
|               |to shares (7.A)| instruments   |     7.B)     |   of issuer   | 
|_______________|_______________|(7.B.1_+_7.B.2)|______________|_______________| 
|   Resulting   |               |               |              |               | 
| situation on  |               |               |              |               | 
|  the date on  |    79,80 %    |    0,00 %     |   79,80 %    |  110.000.000  | 
|which threshold|               |               |              |               | 
| was crossed / |               |               |              |               | 
|____reached____|_______________|_______________|______________|_______________| 
|  Position of  |               |               |              |               | 
|   previous    |    79,81 %    |               |   79,81 %    |               | 
| notification  |               |    0,00 %     |              |               | 
|(if_applicable)|_______________|_______________|______________|_______________| 
 
 
Details 
7. Notified details of the resulting situation: 
 ______________________________________________________________________________ 
|A:_Voting_rights_attached_to_shares___________________________________________| 
|             |____Number_of_voting_rights____|_______%_of_voting_rights_______| 
|             |    Direct     |   Indirect    |    Direct     |    Indirect    | 
|  ISIN Code  |(Sec 130 BörseG|(Sec 133 BörseG|(Sec 130 BörseG|(Sec 133 BörseG | 
|_____________|_____2018)_____|_____2018)_____|_____2018)_____|_____2018)______| 
|AT000000STR1_|_______________|_____87.780.630|_______________|_________79,80_%| 
|Name_Shares__|_______________|______________3|_______________|___________0,00%| 
|_SUBTOTAL_A__|__________87.780.633___________|____________79,80_%_____________| 
 
 ______________________________________________________________________________ 
|B 1: Financial / Other Instruments pursuant to Sec. 131 para. 1 No. 1 BörseG  | 
|2018__________________________________________________________________________| 
|             |               |               |Number of voting |              | 
|             |               |               | rights that may |              | 
|   Type of   |               |               |       be        | % of voting  | 
| instrument  |Expiration Date|Exercise Period|acquired if the  |    rights    | 
|             |               |               |  instrument is  |              | 
|_____________|_______________|_______________|____exercised____|______________| 
|_____________|_______________|_SUBTOTAL_B.1__|_________________|______________| 
 
 _____________________________________________________________________________ 
|B 2: Financial / Other Instruments pursuant to Sec. 131 para. 1 No. 2 BörseG | 
|2018_________________________________________________________________________| 
|  Type of  | Expiration | Exercise  | Physical /  | Number of   |% of voting | 
|instrument |    Date    |  Period   |    Cash     |voting rights|   rights   | 
|___________|____________|___________|_Settlement__|_____________|____________| 
|___________|____________|___________|SUBTOTAL_B.2_|_____________|____________| 
 
 
8. Information in relation to the person subject to the notification obligation: 
Person subject to the notification obligation is not controlled by any natural 
person or legal entity and does not control any other undertaking(s) holding 
directly or indirectly an interest in the (underlying) issuer. 
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: 
 _____________________________________________________________________________ 
|          |                 |           |            | Financial/ |          | 
|          |                 | Directly  |Shares held |   other    | Total of | 
|   No.    |      Name       |controlled |directly (%)|instruments | both (%) | 
|          |                 |  by No.   |            |    held    |          | 
|__________|_________________|___________|____________|directly_(%)|__________| 
|____1_____|Deripaska_O.V.___|___________|____________|____________|__________| 
|    2     |Bradmion Holdings|     1     |            |            |          | 
|__________|Ltd______________|___________|____________|____________|__________| 
|    3     |Melisantis       |     2     |            |            |          | 
|__________|Limited__________|___________|____________|____________|__________| 
|    4     |MKAO Valtoura    |     3     |            |            |          | 
|__________|Holdings_Limited_|___________|____________|____________|__________| 
|    5     |MKAO Rasperia    |     4     |    25,910 %|            |          | 
|__________|Trading_Limited__|___________|____________|____________|__________| 
|____6_____|Haselsteiner_H.P.|___________|____0,0500_%|____________|__________| 
|          |Haselsteiner     |           |            |            |          | 
|    7     |Familien-        |     6     |    26,380 %|            |          | 
|__________|Privatstiftung___|___________|____________|____________|__________| 
|____8_____|Haselsteiner_K.P.|___________|____0,0011_%|____________|__________| 
|          |Raiffeisen-      |           |            |            |          | 
|          |Holding          |           |            |            |          | 
|    9     |Niederösterreich-|           |    6,5800 %|            |          | 
|          |Wien reg.        |           |            |            |          | 
|__________|Gen.m.b.H._______|___________|____________|____________|__________| 
|    10    |"GULBIS"         |     9     |            |            |          | 
|__________|Beteiligungs_GmbH|___________|____________|____________|__________| 
|          |BLR-             |           |            |            |          | 
|    11    |Baubeteiligungs  |    10     |    6,6200 %|            |          | 
|__________|GmbH.____________|___________|____________|____________|__________| 
|    12    |UNIQA Insurance  |           |    0,0200 %|            |          | 
|__________|Group_AG_________|___________|____________|____________|__________| 
|          |UNIQA            |           |            |            |          | 

(MORE TO FOLLOW) Dow Jones Newswires

May 12, 2021 11:17 ET (15:17 GMT)