STRABAG SE

Declaration of Voting Results & Voting Rights Announcements • Sep 15, 2011

EANS-Voting Rights: STRABAG SE / Publication of an Announcement after 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, section 3 BörseG with the aim of a Europe-wide distribution

Person/company obliged to make the notification:

----------------------------------- Name: STRABAG SE Place: Triglavstraße 9, A-9500 Villach State: Austria

STRABAG SE: Release according to Section 93 Paragraph 3 Austrian Stock Exchange Act (BörseG) with the aim of a Europe-wide distribution (share buy-back)

15 September 2011

name: STRABAG SE Triglavstraße 9, A-9500 Villach FN 88983h, LG Klagenfurt

company data: STRABAG SE Triglavstraße 9, A-9500 Villach FN 88983h, LG Klagenfurt

STRABAG SE notifies pursuant to Section 93 Paragraph 3 Austrian Stock Exchange Act (BörseG) that, due to the share buy-back, its holding of own shares has reached and exceeded the threshold of 5% as of 14 September 2011.

As of 14 September 2011, STRABAG SE holds in total 5.731.281 own shares. This corresponds to approx. 5.0274% of shares with voting rights of STRABAG SE (total number of issued shares with voting rights amounts to 114.000.000).

Further inquiry note: STRABAG SE Mag. Diana Klein Konzernsprecherin Tel: +43-1-22422-1121 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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