回複：謝謝8老師!我的H1B是2010年9月1日到2013年8月31日，公司不願再續。

If so, it is very strange that your H-1 I-94 expiration date is on 9/30/2013, one month later after the H-1 approval duration expired (normally H-1 holder has 10-day grace period after it expires, not 30 days).