Feb 12 (Reuters) - Ocean Rig UDW Inc:

* Announces upsizing and pricing of public offering of its shares by DryShips

Inc

* Says upsized previously announced public offering of Ocean Rig common shares

by DryShips Inc to 7.5 million common shares

* Gross proceeds from offering of approximately $126.4 million

* Following the completion of offering, DryShips expected to own about 59.4% of

ocean rig's outstanding shares

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