Series and Classes/Contracts Information:
| Existing | |||
| Status | Name | Ticker Symbol | |
| CIK 0000746458 | |||
| Series S000006469 | ARIZONA MUNICIPAL BOND FUND | ||
| Class/Contract C000017677 | INVESTOR CLASS | BEAMX | |
| Class/Contract C000017678 | A CLASS | ACZAX | |
| Class/Contract C000017679 | B CLASS | ACZBX | |
| Class/Contract C000017680 | C CLASS | ACZCX | |
| Status | Name | Ticker Symbol | |
| CIK 0000746458 | |||
| Series S000006470 | FLORIDA MUNICIPAL BOND FUND | ||
| Class/Contract C000017681 | INVESTOR CLASS | ACBFX | |
| Class/Contract C000017682 | A CLASS | ACFAX | |
| Class/Contract C000017683 | B CLASS | ACEBX | |
| Class/Contract C000017684 | C CLASS | ACCCX | |
| Status | Name | Ticker Symbol | |
| CIK 0000746458 | |||
| Series S000006471 | HIGH-YIELD MUNICIPAL FUND | ||
| Class/Contract C000017685 | INVESTOR CLASS | ABHYX | |
| Class/Contract C000017686 | A CLASS | AYMAX | |
| Class/Contract C000017687 | B CLASS | AYMBX | |
| Class/Contract C000017688 | C CLASS | AYMCX | |
| Status | Name | Ticker Symbol | |
| CIK 0000746458 | |||
| Series S000006472 | TAX-FREE BOND FUND | ||
| Class/Contract C000017689 | INVESTOR CLASS | TWTIX | |
| Class/Contract C000017690 | ADVISOR CLASS | ATXAX | |
| Class/Contract C000017691 | INSTITUTIONAL CLASS | AXBIX | |
| Status | Name | Ticker Symbol | |
| CIK 0000746458 | |||
| Series S000006473 | TAX-FREE MONEY MARKET FUND | ||
| Class/Contract C000017692 | INVESTOR CLASS | BNTXX | |
| Status | Name | Ticker Symbol | |
| CIK 0000746458 | |||
| Series S000006474 | LONG-TERM TAX-FREE FUND | ||
| Class/Contract C000017693 | INVESTOR CLASS | ACLVX | |
| Class/Contract C000017694 | INSTITUTIONAL CLASS | ACLSX | |
| Class/Contract C000017695 | A CLASS | MMBAX | |
| Class/Contract C000017696 | B CLASS | MMDBX | |
| Class/Contract C000017697 | C CLASS | ACTCX | |
IRS No.: 776009794 | Fiscal Year End: 0531
Type: N-CSR | Act: 40 | File No.: 811-04025 | Film No.: 061004198
