Rubicon Technology, Inc. (Nasdaq:RBCN), a leading provider of sapphire substrates and products to the LED, semiconductor, and optical industries, will report financial results for the third quarter ended September 30, 2013 on Tuesday, October 29, 2013 after the market closes. In conjunction with the earnings release, management will host a conference call at 5:00 p.m. EDT (4:00 p.m. CDT) on October 29 to review the financial results. To participate in the conference call, please dial (888) 317-6016 toll-free, or (412) 317-6016 (international), at least 10 minutes prior to the start of the call. The conference call will also be webcast live over the Internet and can be accessed at the company's investor web pages: http://ir.rubicontechnology.com/. The webcast will be archived on the site. An audio replay of the call will be available approximately two hours after the conclusion of the call. The audio replay will remain available until 9:00 a.m. EST (8:00 a.m. CST) November 6, 2013 and can be accessed by dialing (877) 344-7529 toll-free, or (412) 317-0088 (international). Callers should reference conference ID 10035759#. About Rubicon Technology Rubicon Technology, Inc. is an advanced electronic materials provider that is engaged in developing, manufacturing and selling monocrystalline sapphire and other crystalline products for light-emitting diodes (LEDs), radio frequency integrated circuits (RFICs), blue laser diodes, optoelectronics and other optical applications. The Company applies its proprietary crystal growth technology to produce very high-quality sapphire in a form that allows for volume production of various sizes and orientations of substrates and windows. Rubicon is a vertically-integrated manufacturer with capabilities in crystal growth, high precision core drilling, wafer slicing, surface lapping, large-diameter polishing and wafer cleaning processes, which the Company employs to convert the bulk crystal into products with the quality and precision specified by its customers. The Company is the world leader in larger diameter products to support next-generation LED, RFIC and optical window applications.