10.07.2003 – 16:14

OMV Aktiengesellschaft

euro adhoc: OMV Aktiengesellschaft
Offer for 25% plus one share of INA submitted (E)

Disclosure announcement transmitted by euro adhoc. The issuer is
responsible for the content of this announcement.

OMV, the leading oil and gas group in Central and Eastern Europe,
confirms that it has submitted an offer today for 25% plus one share
of the Croatian oil company INA to the Croatian Ministry of Economy.

Notes to editors:

OMV Aktiengesellschaft, with Group sales of EUR 7.08 billion and
5,828 employees in 2002, and a current market capitalization of EUR
2.8 billion, is one of Austria’s largest listed industrial companies.
As the leading oil and gas company in Central and Eastern Europe, the
OMV Group is active in 12 of these countries in its Refining and
Marketing (R&M) business, and has set a goal of doubling its market
share in the area to 20% by 2008. OMV is now involved in
international exploration and production activities (E&P) in 17
countries. The Group also operates integrated chemical manufacturing
plants. In addition, it holds a 25% stake in Borealis A/S, one of the
world’s leading manufacturers of polyolefins, a 45% stake in the
BAYERNOIL refinery network, a stake of approximately 9% in the
Hungarian petroleum company MOL, and a 25.1% stake in The Rompetrol
Group NV, the largest private oil company in Romania.

end of announcement        euro adhoc 10.07.2003

Further inquiry note:

OMV Investor Relations: Brigitte H. Juen Tel. +43 1 404 40-21622; e-mail:
investor.relations@omv.com Presse/Press: Bernhard Hudik Tel. +43 1 404 40-21660; e-mail: bernhard.hudik@omv.com
Thomas Huemer Tel. +43 1 404 40-21660; e-mail: thomas.huemer@omv.com Internet Homepage:
http://www.omv.com

Branche: Oil & Gas - Downstream activities
ISIN: AT0000743059
WKN: 074305
Index: ATX, ATX Prime
Börsen: Bayerische Börse / official dealing
Frankfurter Wertpapierbörse / official dealing
Wiener Börse AG / official dealing
London Stock Exchange / official dealing