Series and Classes/Contracts Information:
| Existing | |||
| Status | Name | Ticker Symbol | |
| CIK 0000858581 | |||
| Series S000002089 | T. Rowe Price Equity Index 500 Fund | ||
| Class/Contract C000005457 | T. Rowe Price Equity Index 500 Fund | PREIX | |
| Class/Contract C000159677 | T. Rowe Price Equity Index 500 Fund-I Class | PRUIX | |
EIN.: 000000000 | State of Incorp.: MD | Fiscal Year End: 1231
Type: 497K | Act: 33 | File No.: 033-32859 | Film No.: 19778766