Aug 17 (Reuters) - Sydney Airport Holdings Ltd SYD.AX :
* HY revenue for sal group $594.7MLN versus $568.4 million
* HY net profit for sal group $134.6 million versus $53.9 million
* Upgraded distribution guidance of 25.5 cents per stapled security for 2015
* Interim distribution of 12.5 cents per stapled security
* Source text for Eikon ID:nASXcgzC4P
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