Amendment of a number in A Financial Release of
"Trend Micro Announces Final Terms of Stock Acquisition Rights"

Tokyo, Japan – July 11, 2013 - Trend Micro Incorporated (TSE: 4704), the global leader in cloud security and virtualization, amended a number in a financial release “Trend Micro Announces Final Terms of Stock Acquisition Rights” announced on July 9, 2013.

(5. The amount of assets to be contributed upon exercise of each Option)

[Original]
1,221,000,000 yen per Option
     (3,300 yen per share)

[Amended]
330,000 yen per Option
     (3,300 yen per share)