CHARLOTTE, NC--(Marketwire - Apr 11, 2011) - Park Sterling Corporation (NASDAQ: PSTB), the holding company for Park Sterling Bank, today announced that financial results for the first quarter 2011 will be released on April 28, 2011 before the market opens, followed by a conference call at 8:30 a.m. EDT. The conference call can be accessed by dialing (877) 317-6789 and requesting the Park Sterling Bank earnings call. Listeners should dial in 10 minutes prior to the start of the call. The live webcast and presentation slides will be available on