Series and Classes/Contracts Information:
| Existing | |||
| Status | Name | Ticker Symbol | |
| CIK 0001100663 | |||
| Series S000004357 | iShares Lehman 1-3 Year Treasury Bond Fund | ||
| Class/Contract C000012087 | iShares Lehman 1-3 Year Treasury Bond Fund | SHY | |
| Status | Name | Ticker Symbol | |
| CIK 0001100663 | |||
| Series S000004358 | iShares Lehman 7-10 Year Treasury Bond Fund | ||
| Class/Contract C000012088 | iShares Lehman 7-10 Year Treasury Bond Fund | IEF | |
| Status | Name | Ticker Symbol | |
| CIK 0001100663 | |||
| Series S000004360 | iShares Lehman 20+ Year Treasury Bond Fund | ||
| Class/Contract C000012090 | iShares Lehman 20+ Year Treasury Bond Fund | TLT | |
| Status | Name | Ticker Symbol | |
| CIK 0001100663 | |||
| Series S000004361 | iShares GS $InvesTop Corporate Bond Fund | ||
| Class/Contract C000012091 | iShares GS $InvesTop Corporate Bond Fund | LQD | |
| Status | Name | Ticker Symbol | |
| CIK 0001100663 | |||
| Series S000004362 | iShares Lehman Aggregate Bond Fund | ||
| Class/Contract C000012092 | iShares Lehman Aggregate Bond Fund | AGG | |
| Status | Name | Ticker Symbol | |
| CIK 0001100663 | |||
| Series S000004363 | iShares Lehman TIPS Bond Fund | ||
| Class/Contract C000012093 | iShares Lehman TIPS Bond Fund | TIP | |
IRS No.: 943351276 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 497 | Act: 33 | File No.: 333-92935 | Film No.: 061176888
