| Circular Number | Circular Title | Summary | State(s) |
| LI-EB-2026-001 | EQUIPMENT BREAKDOWN LOSS COST LEVEL ANALYSIS FURNISHED FOR INFORMATION | ISO provides information regarding loss costs contained within the ISO Equipment Breakdown program. ISO notes that it is not revising the current loss costs based on the analysis. | All |
| LI-BP-2026-058 | DELAWARE BUSINESSOWNERS ADVISORY PROSPECTIVE LOSS COST REVISION FILED; EXHIBITS PRESENTED IN EXCEL | ISO announces revised loss costs representing a combined +5.0% statewide change has been filed in Delaware. ISO cautions that the filing has not yet been implemented. | DE |
| LI-BP-2026-059 | PENNSYLVANIA BUSINESSOWNERS ADVISORY PROSPECTIVE LOSS COST REVISION APPROVED | ISO announces revised loss costs representing a combined +0.3% statewide change has been approved by the Pennsylvania insurance department. The changes are applicable to all policies written on or after March 1, 2027. | PA |

