Series and Classes/Contracts Information:
| Existing | |||
| Status | Name | Ticker Symbol | |
| CIK 0001027596 | |||
| Series S000005064 | PIA BBB Bond Fund | ||
| Class/Contract C000013849 | Managed Account Completion Shares | PBBBX | |
| Status | Name | Ticker Symbol | |
| CIK 0001027596 | |||
| Series S000005065 | PIA Short-Term Securities Fund | ||
| Class/Contract C000013850 | Advisor Class | PIASX | |
| Status | Name | Ticker Symbol | |
| CIK 0001027596 | |||
| Series S000005067 | PIA MBS Bond Fund | ||
| Class/Contract C000013852 | Managed Account Completion Shares | PMTGX | |
| Status | Name | Ticker Symbol | |
| CIK 0001027596 | |||
| Series S000029824 | PIA High Yield Fund | ||
| Class/Contract C000091707 | Class A | ||
| Class/Contract C000091708 | Institutional Class | PHYSX | |
| Status | Name | Ticker Symbol | |
| CIK 0001027596 | |||
| Series S000029825 | PIA High Yield (MACS) Fund | ||
| Class/Contract C000091709 | Managed Account Completion Shares | PIAMX | |
| Status | Name | Ticker Symbol | |
| CIK 0001027596 | |||
| Series S000038165 | PIA Short Duration Bond Fund | ||
| Class/Contract C000117709 | Class A | ||
| Class/Contract C000117710 | Class I | ||
EIN.: 000000000 | State of Incorp.: DE | Fiscal Year End: 1031
Type: 497 | Act: 33 | File No.: 333-17391 | Film No.: 231139025