Pro forma diluted shares computed to give effect to the shares of restricted stock outstanding as of the original date of issuance and the conversion of the Company's redeemable convertible preferred stock into common stock using the as-if converted method as though the conversion had occurred as of January 1, 2011 or the original issuance, if later.
 Subscription revenue is comprised of revenue generated from membership subscription services and premiums earned from insurance policies.
Change in CFO
Separately RPX announced that its Chief Financial Officer, Adam Spiegel, will be leaving the Company to explore earlier stage opportunities. He will be replaced by Ned Segal, an investment banker with Goldman Sachs & Co., and currently Head of Global Software Investment Banking and COO of Technology Banking. Mr. Segal will join RPX no later than June 1, 2013 and Mr. Spiegel will be leaving RPX on or before June 1, 2013.Conference Call RPX management will host a conference call and live webcast for analysts and investors at 2:00 p.m. PDT/5:00 p.m. EDT on February 12, 2013. Parties in the United States and Canada can access the call by dialing 1-877-941-9205, using conference code 4590942. International parties can access the call by dialing 1-480-629-9645, using conference code 4590942. RPX will offer a live webcast of the conference call which can be accessed from the "Investor Relations" section of the Company's website at http://ir.rpxcorp.com . An audio replay of the conference call will also be available approximately two hours after the call and will be available for 30 days. To hear the replay, parties in the United States and Canada should call 1-800-406-7325 and enter conference code 4590942. International parties should call 1-303-590-3030 and enter conference code 4590942. About RPX Corporation RPX Corporation (Nasdaq:RPXC) is a leading provider of patent risk solutions, offering defensive buying, acquisition syndication, patent intelligence and advisory services. Since its founding in 2008, RPX has introduced efficiency to the patent market by providing a rational alternative to litigation. The San Francisco-based company's pioneering approach combines principal capital, deep patent expertise, and client contributions to generate enhanced patent buying power. By acquiring patents, RPX helps to mitigate and manage patent risk for its growing client network.