The 23 passengers and six crew were only 20 minutes into their trip when their speedboat hit a sharp object and sank, leaving them floating in choppy waters waiting to be rescued, Bali's National Search and Rescue Agency says.
Glencore is facing fines in millions of dollars for a series of corruption offences in which it used a private plane to fly money to bribe officials in different African governments.
In June, a division of the FTSE 100 commodities behemoth admitted to paying many bribes to get access to oil supplies.
Following the filing of a number of charges by the Serious Fraud Office, it was the first time a firm had ever been found guilty of bribery under UK law (SFO).