Schoeller-Bleckmann Oilfield Equipment AG

Major Shareholding Notification • Jun 12, 2013

EANS-Voting Rights: Schoeller-Bleckmann Oilfield Equipment AG / 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 BörseG with the aim of a Europe-wide distribution

Notification of shareholding pursuant to Sec 93 BoerseG (Austrian Stock Exchange Act)

Schoeller-Bleckmann Oilfield Equipment AG (SBO) was informed on 11 June 2013 and announces, pursuant to Sec 93 BoerseG in conjunction with Sec 91 and Sec 92 (6) BoerseG, that Massachusetts Mutual Life Insurance Company, 1295 State Street, Springfield, MA 01111, Unites States ("MassMutual") now holds more than 5% of the voting rights in SBO indirectly via several subsidiaries controlled by it.

Prior to the purchase transaction triggering the notification obligation MassMutual held indirectly via several funds 4.9793% of the voting rights relating to 796,692 shares in SBO which are managed by its subsidiary OppenheimerFunds, Inc. ("OFI").

Following the purchase transaction triggering the notification obligation of 7 June 2013 MassMutual now holds indirectly via several funds 5.0193% of the voting rights relating to 803,092 shares in SBO which are managed by OFI. OFI is entitled to exercise the voting rights in SBO for funds managed by it at its own discretion.

OFI Global Institutional, Inc. is controlled by OppenheimerFunds, Inc. OppenheimerFunds, Inc. is controlled by Oppenheimer Acquisition Corp., which, in turn, is managed by MM Asset Management Holding LLC. MM Asset Management Holding LLC is controlled by MassMutual Holding LLC, which is finally controlled by MassMutual.

Oppenheimer Acquisition Corp.

Oppenheimerfunds, Inc.

OFI Global Institutional, Inc.

225 Liberty Street

New York, New York 10281

United States

Massachusetts Mutual Life Insurance Company

MassMutual Holding LLC

MM Asset Management Holding LLC.

1295 State Street

Springfield MA 01111

United States

The SBO shares are held directly by several funds managed by OFI.

Pursuant to the legal provisions of Sec 91 (1) in conjunction with Sec 92 (5) BoerseG SBO has furthermore been informed separately on 11 June 2013 that OFI itself now indirectly holds more than 5% of the voting rights in SBO via several funds managed by it. Prior to the purchase transaction triggering the notification obligation OFI held via funds managed by it 4.9793% of the voting rights relating to 796,692 shares in SBO. Following the purchase transaction triggering the notification obligation of 7 June 2013 OFI now holds 5.0193% of the voting rights relating to 803,092 shares in SBO. OFI is entitled to exercise the voting rights in SBO for funds managed by it at its own discretion. The voting rights are held indirectly via several funds managed by OFI.

Ternitz, 12 June 2013 The Executive Board Further inquiry note: MMag. Florian Schütz, Head of Investor Relations Schoeller-Bleckmann Oilfield Equipment AG A-2630 Ternitz/Austria, Hauptstrasse 2 Tel.: +43 2630 315-251 Fax: +43 2630 315-501 E-Mail: f.schuetz@sbo.co.at issuer: Schoeller-Bleckmann Oilfield Equipment AG Hauptstrasse 2 A-2630 Ternitz phone: 02630/315110 FAX: 02630/315101 mail: sboe@sbo.co.at WWW: http://www.sbo.at sector: Oil & Gas - Upstream activities ISIN: AT0000946652 indexes: WBI, ATX Prime, ATX stockmarkets: official market: Wien language: English

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