Alpha Microelectronic Corp. made an announcement that a distribution of cash dividend approved by the shareholder's meeting on May 27,2005.

1. The subscribtion date for the distribution of ex-dividend is July 05, 2005.

2. The company's transfer book for common shares will be closed from July 01, 2005 to July 05, 2005.

3. Cash dividend is NT$0.6513 for each common share.