 VALLEY FORGE, Pa.--BUSINESS WIRE-- EarningsCall--UGI Corporation NYSE:UGI will announce the results of its second fiscal quarter earnings after the market closes on May 4. The company will hold a live internet audio webcast of its conference call to discuss results and other current activities at 9:00 AM ET on Thursday, May 5. Interested parties may listen to the audio webcast both live and in replay on the Internet at or by visi 