Here are some details from the offer:
A total cash payment to be determined by reference to the fixed spread of
85 basis points plus the yield based upon the bid side price of the U.S.
Treasury Bonds 0.750% due 03/31/2026, as quoted on page FIT1 on the
Bloomberg reference bond trader series of pages at 10:00 a.m., New York
City time, on April 12, 2021 (the price determination date).
If you tender your notes PRIOR to the early tender date you will
receive the total consideration offered above which includes an early
tender premium equal to $30.00 per $1,000 principal amount. The early
tender premium is included in the fixed spread formula. *
The hypothetical total consideration, assuming a hypothetical price
determination date of 03/26/2021, 10:00 a.m. New York City time, is
$1,098.18 per $1,000 principal amount.
I paid 100.84 for this bond in Sept '20. I think I should take this offer but there is some uncertainty about the actual amount that will be paid to redeem.