The Committee on Pension Plan Financial Reporting (PPFRC) is issuing this explanatory report to provide members with additional information and details on the analysis done for the guidance outlined in the educational note supplement dated May 1, 2023, (Guidance for Assumptions for Hypothetical Wind-Up and Solvency Valuations Update – Effective March 31, 2023, and Applicable to Valuations with Effective Dates on or after March 31, 2023, and no later than June 29, 2024) issued as a supplement to the educational note dated March 23, 2023.