I just looked at it and everything looks the same I didn't see anything different or extra. Except the expiration date.
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Date Sent: 9 /24/12 from Los Angeles County | Date Arrived: 9/26/12 at Phoenix Lockbox
Service Center: California | i-797C Receipt Received: 9/28/12 | Biometrics: 10/25/12
Approved: 04 /30 /2013 | EAD Received: / / | SSN Already have one.
7 months on 03/26/2013, e-request on 03/26/2013
Total time to Approval: 7 months 4 days.