Hellenic Exchanges, the operator of the Athens stock and futures markets, said on Monday full-year 2007 net profit grew 57 percent to 91 million euros ($133 million) on stronger clearing and fee income.

The operator said group revenues grew 37 percent to 161.5 million euros.

The exchange will propose a 2007 dividend per share of 0.75 euro, up from 0.50 euro in 2006. It will also seek shareholder approval for a 10 percent share buyback. (Reporting by George Georgiopoulos, editing by Will Waterman)