Mohammed Sharaf said the company did not need additional liquidity until the end of 2012 but was studying ways to finance future expansion plans.
"We have $3 billion worth of liquidity ready, but that does not mean that we don't study for after 2012," said Sharaf.
The port operator's container volumes in the third-quarter climbed 8 percent, on a consolidated basis, to 7.3 million TEU, or "twenty-foot equivalent container units," the firm said in a statement to the Nasdaq Dubai bourse on Monday.
DP World's new developments in Vallarpadam in India and Karachi in Pakistan remained on schedule to open later this year, it said in the statement.
DP World's first-half net profit after tax from continuing operations rose 10 percent to $206 million.