Series and Classes/Contracts Information:
| Existing | |||
| Status | Name | Ticker Symbol | |
| CIK 0001524513 | |||
| Series S000037042 | BlackRock Short Duration Bond ETF | ||
| Class/Contract C000113876 | BlackRock Short Duration Bond ETF | NEAR | |
| Status | Name | Ticker Symbol | |
| CIK 0001524513 | |||
| Series S000040474 | BlackRock Ultra Short-Term Bond ETF | ||
| Class/Contract C000125661 | BlackRock Ultra Short-Term Bond ETF | ICSH | |
| Status | Name | Ticker Symbol | |
| CIK 0001524513 | |||
| Series S000047352 | BlackRock Short Maturity Municipal Bond ETF | ||
| Class/Contract C000148680 | BlackRock Short Maturity Municipal Bond ETF | MEAR | |
| Status | Name | Ticker Symbol | |
| CIK 0001761055 | |||
| Series S000064945 | BlackRock U.S. Equity Factor Rotation ETF | ||
| Class/Contract C000210296 | BlackRock U.S. Equity Factor Rotation ETF | DYNF | |
| Status | Name | Ticker Symbol | |
| CIK 0001761055 | |||
| Series S000069260 | BlackRock Future Health ETF | ||
| Class/Contract C000221226 | BlackRock Future Health ETF | ||
| Status | Name | Ticker Symbol | |
| CIK 0001761055 | |||
| Series S000074569 | Blackrock Future U.S. Themes ETF | ||
| Class/Contract C000232558 | Blackrock Future U.S. Themes ETF | ||
| Status | Name | Ticker Symbol | |
| CIK 0001761055 | |||
| Series S000076808 | BlackRock Future Financial and Technology ETF | ||
| Class/Contract C000236859 | BlackRock Future Financial and Technology ETF | ||
| Status | Name | Ticker Symbol | |
| CIK 0001761055 | |||
| Series S000080410 | BlackRock Large Cap Value ETF | ||
| Class/Contract C000242802 | BlackRock Large Cap Value ETF | ||
| Status | Name | Ticker Symbol | |
| CIK 0001761055 | |||
| Series S000081702 | BlackRock Advantage Large Cap Income ETF | ||
| Class/Contract C000244680 | BlackRock Advantage Large Cap Income ETF | ||
| Status | Name | Ticker Symbol | |
| CIK 0001761055 | |||
| Series S000082317 | BlackRock Large Cap Core ETF | ||
| Class/Contract C000245618 | BlackRock Large Cap Core ETF | ||
| Status | Name | Ticker Symbol | |
| CIK 0001761055 | |||
| Series S000084031 | BlackRock U.S. Industry Rotation ETF | ||
| Class/Contract C000248199 | BlackRock U.S. Industry Rotation ETF | ||
| Status | Name | Ticker Symbol | |
| CIK 0001761055 | |||
| Series S000085056 | BlackRock Enhanced Short-Term Bond ETF | ||
| Class/Contract C000249919 | BlackRock Enhanced Short-Term Bond ETF | ||
| Status | Name | Ticker Symbol | |
| CIK 0001761055 | |||
| Series S000085065 | BlackRock Long-Term U.S. Equity ETF | ||
| Class/Contract C000249928 | BlackRock Long-Term U.S. Equity ETF | ||
| Status | Name | Ticker Symbol | |
| CIK 0001761055 | |||
| Series S000085067 | BlackRock Large Cap Growth ETF | ||
| Class/Contract C000249930 | BlackRock Large Cap Growth ETF | ||
| Status | Name | Ticker Symbol | |
| CIK 0001804196 | |||
| Series S000068548 | BlackRock High Yield Muni Income Bond ETF | ||
| Class/Contract C000219258 | BlackRock High Yield Muni Income Bond ETF | ||
| Status | Name | Ticker Symbol | |
| CIK 0001804196 | |||
| Series S000070976 | BlackRock Intermediate Muni Income Bond ETF | ||
| Class/Contract C000225367 | BlackRock Intermediate Muni Income Bond ETF | ||
| Status | Name | Ticker Symbol | |
| CIK 0001804196 | |||
| Series S000077718 | BlackRock Floating Rate Loan ETF | ||
| Class/Contract C000238207 | BlackRock Floating Rate Loan ETF | ||
| Status | Name | Ticker Symbol | |
| CIK 0001804196 | |||
| Series S000079064 | BlackRock AAA CLO ETF | ||
| Class/Contract C000239899 | BlackRock AAA CLO ETF | ||
| Status | Name | Ticker Symbol | |
| CIK 0001804196 | |||
| Series S000080411 | BlackRock Flexible Income ETF | ||
| Class/Contract C000242803 | BlackRock Flexible Income ETF | ||
| Status | Name | Ticker Symbol | |
| CIK 0001804196 | |||
| Series S000080457 | BlackRock Short-Term California Muni Bond ETF | ||
| Class/Contract C000242862 | BlackRock Short-Term California Muni Bond ETF | ||
| Status | Name | Ticker Symbol | |
| CIK 0001804196 | |||
| Series S000083073 | BlackRock Total Return ETF | ||
| Class/Contract C000246586 | BlackRock Total Return ETF | ||
| Status | Name | Ticker Symbol | |
| CIK 0001804196 | |||
| Series S000085059 | BlackRock High Yield ETF | ||
| Class/Contract C000249922 | BlackRock High Yield ETF | ||
EIN.: 000000000 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 497 | Act: 33 | File No.: 333-179904 | Film No.: 241178995
EIN.: 000000000 | State of Incorp.: DE | Fiscal Year End: 0731
Type: 497 | Act: 33 | File No.: 333-278767 | Film No.: 241178997
EIN.: 000000000 | State of Incorp.: DE | Fiscal Year End: 0731
Type: 497 | Act: 33 | File No.: 333-236575 | Film No.: 241178996