On November 24, 2025, the PCRB submitted a loss cost filing to the Pennsylvania Insurance Department. That filing, designated as Proposal C-387, makes revisions to loss costs and related rating values effective April 1, 2026.
A complete listing of supporting information comprising the PCRB's April 1, 2026 loss cost filing appears below. Clicking on each listed item will allow you to review and/or download the filing materials as needed. Copies of the filing material may be printed once the item(s) in question have been accessed.
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| Filing Letter | |
| Auditable Payrolls Proposal | |
| Actuarial Memorandum | |
| Class Book | |
| Exhibit 1 | Indicated Change in Loss Costs |
| Exhibit 2 | Policy Year Loss Ratio Summary |
| Exhibit 3 | Premium and Indemnity On-Level Factors |
| Exhibit 4 | Table I - Summary of Financial Call Data |
| Exhibit 5 | Paid and Incurred Loss Development and Trend |
| Exhibit 6 | Loss Development Triangles |
| Exhibit 7 | Tail Factors and Paid Bridge Factors for Loss Development |
| Exhibit 8 | Claim Frequencies |
| Exhibit 10 | Graphs of Indemnity and Medical Loss Ratios |
| Exhibit 13 | Loss Based Assessments and Employer Assessment Factor |
| Exhibit 14 | Pennsylvania Construction Classification Premium Adjustment Program (PCCPAP) |
| Exhibit 15 | Merit Rating Plan Off-Balance Indications |
| Exhibit 16 | Pennsylvania Certified Safety Committee Program Offset |
| Exhibit 17 | Loss Cost Formulae |
| Exhibit 18 | Review of Experience Rating Plan Results |
| Exhibit 19 | Review of Experience Rating Plan Parameters |
| Exhibit 20a | Table II - Unit Statistical Data |
| Exhibit 20b | Table III - Unit Statistical Data |
| Exhibit 20c | Table IV - Unit Statistical Data |
| Exhibit 22 | Empirical Pennsylvania Loss Distribution |
| Exhibit 23 | Excess Loss (Pure Premium) Factors |
| Exhibit 25 | Small Deductible Loss Elimination Ratios |
| Exhibit 27 | Table B |
| Exhibit 28 Excel (NYA) | WCRATE (NYA) |
Loss Costs and Expected Loss Factors |
| Exhibit 29 | Tests of Indicated and Selected Loss Costs |
| Exhibit 30 | Temporary Staffing Loss Costs |
| Exhibit 31 | Distribution of Loss Cost Percentage Changes |