Series and Classes/Contracts Information:
| Existing | |||
| Status | Name | Ticker Symbol | |
| CIK 0000831114 | |||
| Series S000001094 | ROBECO BP SMALL CAP VALUE II | ||
| Class/Contract C000002982 | INSTITUTIONAL | BPSIX | |
| Class/Contract C000002983 | INVESTOR | BPSCX | |
| Status | Name | Ticker Symbol | |
| CIK 0000831114 | |||
| Series S000001097 | ROBECO WPG SMALL/MICRO CAP VALUE FUND | ||
| Class/Contract C000002987 | INSTITUTIONAL | WPGTX | |
| Status | Name | Ticker Symbol | |
| CIK 0000831114 | |||
| Series S000001106 | ROBECO BP ALL-CAP VALUE FUND | ||
| Class/Contract C000002997 | INSTITUTIONAL | BPAIX | |
| Class/Contract C000002998 | INVESTOR | BPAVX | |
| Status | Name | Ticker Symbol | |
| CIK 0000831114 | |||
| Series S000001108 | ROBECO BP LONG/SHORT EQUITY FUND | ||
| Class/Contract C000003001 | INSTITUTIONAL | BPLSX | |
| Class/Contract C000003002 | INVESTOR | BPLEX | |
| Status | Name | Ticker Symbol | |
| CIK 0000831114 | |||
| Series S000030191 | Robeco Boston Partners Long/Short Research Fund | ||
| Class/Contract C000092912 | Investor Class | ||
| Class/Contract C000092913 | Institutional Class | ||
| Status | Name | Ticker Symbol | |
| CIK 0000831114 | |||
| Series S000035438 | Robeco Boston Partners Global Equity Fund | ||
| Class/Contract C000108833 | Investor Class | ||
| Class/Contract C000108834 | Institutional Class | ||
| Status | Name | Ticker Symbol | |
| CIK 0000831114 | |||
| Series S000035439 | Robeco Boston Partners International Equity Fund | ||
| Class/Contract C000108835 | Investor Class | ||
| Class/Contract C000108836 | Institutional Class | ||
IRS No.: 510312196 | State of Incorp.: MD | Fiscal Year End: 0831
Type: 497 | Act: 33 | File No.: 033-20827 | Film No.: 12568610