PROVO, Utah--(BUSINESS WIRE)--APX Group Holdings, Inc. (“APX Group” or “Vivint”) will be participating at the Imperial Capital Security Investor Conference being held at the Waldorf Astoria Hotel, December 10-11, 2014. Todd Pedersen, CEO, will present on Vivint at 4:30 p.m. EST on Thursday, December 11, 2014. The company’s presentation will be webcast and can be accessed live from the investor relations section of Vivint’s website at www.investors.vivint.com. The webcast will be archived and av