PROVO, Utah--(BUSINESS WIRE)--APX Group Holdings, Inc. (“Vivint”) today announced its plans to host a conference call to discuss its results for the first quarter of 2015 on Wednesday, May 13, 2015 at 5:00 p.m. EDT. Vivint plans to release its results after the close of the financial markets on May 13, 2015. To join the live webcast, please visit the investor relations section of Vivint’s website, http://www.investors.vivint.com/events-calendar. To join the conference call from the U.S., please