Aug 11 (Reuters) - Sydney Airport Holdings Pty Ltd SYD.AX :
* NO INTERIM DISTRIBUTIONS DECLARED BY SAL GROUP OR SAT1 GROUP FOR HALF YEAR
* HY LOSS AFTER INCOME TAX EXPENSE ATTRIBUTABLE FOR SAL GROUP $51.8 MILLION VERSUS PROFIT OF $199.8 MILLION
* SAL GROUP HY REVENUE $511.0 MILLION VERSUS $797.1 MILLION
* EXPECTS DOWNTURN IN PASSENGER TRAFFIC TO PERSIST UNTIL GOVERNMENT TRAVEL RESTRICTIONS ARE EASED