Wednesday, May 22, 2013
9:00 am Local Time
951 Mariners Island Boulevard
San Mateo, CA 94404

Please consider internet or telephone voting. In addition, you can request to receive your annual meeting notice, annual report and proxy materials electronically. This will reduce the Company’s printing and postage costs, as well as the number of paper documents you will receive. Simply follow the prompts provided when voting via internet.
If you already receive your proxy materials via the internet, you will continue to receive them that way until you instruct otherwise.

• Registered Shareholders
  You can vote via the internet regardless of whether you receive your annual meeting materials electronically. Simply connect to www.investorvote.com and follow the instructions provided on your proxy card.
  
• Beneficial Shareholders
  You can vote via the internet regardless of whether you receive your annual meeting materials electronically. Simply connect to www.proxyvote.com and follow the instructions provided on your voting instruction form.