I-94 extention with valid VISA

[vramadugu]

I have a valid L1-B visa (VIsa and petition) until april 2015 but my i-94 is expiring in october. i-94 date was given only till passport expiry date.
now i have renewed my passport. please let me know the process for extending my I-94

[zara1200]

You can extend it from embassy.

[vramadugu]

so, that is the process for extending through embassy?
any particular form that i need to submit?