National Rural Utilities Cooperative Finance Corporation

09/20/2024 | Press release | Distributed by Public on 09/20/2024 05:50

Supplemental Prospectus - Form 424B3

Blueprint
Rule 424 (b) (3)
Registration No. 333-263864

U.S. $20,000,000,000.00
National Rural Utilities ("CFC")
VARIABLE DENOMINATION FLOATING
RATE DEMAND NOTES

Pricing Supplement No. 66 Dated September 20, 2024
TO PROSPECTUS Dated March 25, 2022
Interest
Rate:
4.200%per annum

Rates will be set daily. Eligible Investor[1] will purchase a Variable Rate Note, containing a promise
from CFC to repay the note plus interest upon the receipt of a Redemption Notice from the Eligible
Investor.

Period
Beginning:
September 20, 2024
[1] Generally CFC members and other rural utilities which have been determined to satisfy federal and
state eligibility criteria.