Sept 2 (Reuters) - SBM Offshore Nv
* SBM says it is "seeking clarification" after the leniency deal struck between Brazilian authorities, SBM and Petrobras in July was overturned late on Thursday by a review panel.
* Company says it will update markets when it knows more.
* In the July deal, SBM had agreed to admit having paid bribes, pay a $163 million fine, and would in exchange be allowed to bid on future contracts with Petrobras, a key customer. Source text for Eikon: Further company coverage: