SINGAPORE- * Malaysia's Petroliam Nasional Bhd, or Petronas, has awarded a tender of October-loading Bertam crude at a premium of more than $5 a barrel above dated Brent, three trade sources told Reuters on Tuesday

* The 300,000-barrel cargo was offered to load over Oct. 17-21

* Prior to this, Petronas sold a cargo of September-loading Bertam crude to Shell at a premium of more than $5 a barrel above dated Brent

(Reporting By Shu Zhang; editing by Christian Schmollinger) ((shu.zhang@thomsonreuters.com; +65-6870-3549; Reuters Messaging: shu.zhang.thomsonreuters.com@reuters.net; Twitter @shuzhang4))