Ocean Rig Signs Market Maker Agreement

Ocean Rig has entered into a market maker agreement with Hagstromer & Qviberg Fondkommission AB (H&Q) whereby H&Q will act as liquidity guarantor for Ocean Rig's shares.

H&Q will display firm bid and ask quotations for the Ocean Rig share on Oslo Stock Exchange. Furthermore, H&Q undertakes to buy and sell, on its own behalf, the respective shares at such prices. The agreement will be effective from November 16, 2004.

Hagstromer & Qviberg is a leading securities brokerage company focusing on investment banking and private banking. The company's head office is located in Stockholm, Sweden.