STRABAG SE

Declaration of Voting Results & Voting Rights Announcements • Jul 7, 2015

EANS-Voting Rights: STRABAG SE / Publication of an Announcement according to art. 93 BörseG with the objective of Europe-web publication

Notification of voting rights transmitted by euro adhoc. The issuer is responsible for the content of this announcement.

Release according to article 93 BörseG with the aim of a Europe-wide distribution

Person/company obliged to make the notification:

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Name: RAIFFEISEN-HOLDING NIEDERÖSTERREICH-WIEN registrierte Genossenschaft mit beschränkter Haftung als Rechtsnachfolgerin der "Octavia" Holding GmbH

Place: Wien

State: Österreich

On 6 July 2015, RAIFFEISEN-HOLDING NIEDERÖSTERREICH-WIEN registrierte Genossenschaft mit beschränkter Haftung, as legal successor of "Octavia" Holding GmbH, sent STRABAG SE the following communication pursuant to §§ 91 and 92

BörseG [Austrian Stock Exchange Act]:

On the basis of the attribution provisions of § 92 BörseG, all members of the syndicate of core shareholders in STRABAG SE (ISIN AT000000STR1) have given notice of the exceeding of the 75 % threshold according to §§ 91 and 92 BörseG.

On 04.07.2015, the transformation by merger of "Octavia" Holding GmbH, FN 169829 z, as transferring company, into its sole shareholder, RAIFFEISEN-HOLDING NIEDERÖSTERREICH-WIEN registrierte Genossenschaft mit beschränkter Haftung, FN 214212 v, as the acquiring company, was entered into the company register. Per 04.07.2015, "Octavia" Holding GmbH achieved and fell below the § 91 BörseG thresholds of 75 %, 50 %, 45 %, 40 %, 35 %, 30 %, 25 %, 20 %, 15 %, 10

%, 5 % and 4 % pursuant to §§ 91 and 92 BörseG.

Within the framework of the aforementioned syndicate of core shareholders, RAIFFEISEN-HOLDING NIEDERÖSTERREICH-WIEN registrierte Genossenschaft mit beschränkter Haftung is already a member of the RAIFFEISEN Group. It is making this notification as legal successor of "Octavia" Holding GmbH.

In all, the syndicate holds 85,500,003 of the total number of 114,000,000

shares

of STRABAG SE.

As "Octavia" Holding GmbH is a direct 100 % subsidiary of RAIFFEISEN-HOLDING NIEDERÖSTERREICH-WIEN registrierte Genossenschaft mit beschränkter Haftung, this notification is being made in the name of the aforementioned company by RAIFFEISEN-HOLDING NIEDERÖSTERREICH-WIEN registrierte Genossenschaft mit beschränkter Haftung under application of the regulation contained in § 91 no. 3 BörseG, with reference to the fact that the parent prepares a consolidated financial statement for its subsidiary. Further inquiry note: STRABAG SE Diana Neumüller-Klein, CFA Head of Corporate Communications Tel: +43 1 22422-1116 diana.klein@strabag.com issuer: STRABAG SE Donau-City-Straße 9 A-1220 Wien phone: +43 1 22422 -0 FAX: +43 1 22422 - 1177 mail: www.strabag.com WWW: investor.relations@strabag.com sector: Construction & Property ISIN: AT000000STR1, AT0000A05HY9 indexes: WBI, ATX Prime, ATX, SATX stockmarkets: official market: Wien language: English

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