Issuer notification pursuant to sec. 93 BoerseG

Schoeller-Bleckmann Oilfield Equipment AG (SBO) was informed on 15 March 2013 and announces, pursuant to sec. 93 BoerseG (Austrian Stock Exchange Act) in conjunction with sec. 91 and sec. 92 no 6 BoerseG, that Oppenheimer Funds Inc., 225 Liberty Street, New York, NY 10281, USA (OFI) indirectly holds voting rights of more than 4 % of SBO through various funds.
Prior to the purchase transaction triggering the notification obligation Oppenheimer Funds Inc. held 3.8806 % of the voting rights relating to 620,894 shares in SBO through several funds managed by that company.
Following the purchase transaction of 13 March 2013 triggering the notification obligation Oppenheimer Funds Inc. now holds 4.0095% of the voting rights relating to 641,513 shares in SBO.
Oppenheimer Funds Inc. is entitled to exercise the voting rights in SBO at their own discretion.