Transaction Details

Footnotes

This transaction was executed in multiple trades at prices ranging from $90.00 to $90.77. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected. | The Reporting Person is the Managing Director of China Walden Venture Investment II G.P., Ltd., which is the general partner of Walden Technology Ventures Investments II, L.P. The Reporting Person disclaims beneficial ownership of these indirectly held shares except to the extent of any pecuniary interest therein. | This transaction was executed in multiple trades at prices ranging from $91.35 to $91.64. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected. | This transaction was executed in multiple trades at prices ranging from $93.06 to $93.62. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected. | The Reporting Person is the joint trustee of the Lip-Bu Tan and Ysa Loo Trust Dated 2/3/92. The Reporting Person disclaims beneficial ownership of these indirectly held shares except to the extent of any pecuniary interest therein. | The Reporting Person is the Manager of A&E Investment LLC, an entity owned by the Reporting Person's family trust for which the Reporting Person is a joint trustee.