Company: VVR
Filing Date: 2025-03-21
Form Type: 424B5
Source: 0001104659-25-026711
Chunk: 145

Company: Invesco Senior Income Trust
Filing Date: 2025-03-21
Form: 424B5
Chunk 145
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 obligation rated 'D' is in default or in breach of an imputed promise. For non-hybrid capital instruments, the 'D' rating category is used when payments on an obligation are not made on the date due, unless S&P Global Ratings believes that such payments will be made within any stated grace period. However, any stated grace period longer than five business days will be treated as five business days. The 'D' rating also will be used upon the filing of a bankruptcy petition or the taking of a similar action and where default on an obligation is a virtual certainty, for example due to automatic stay provisions. A rating on an obligation is lowered to 'D' if it is subject to a distressed debt restructuring. Standard & Poor's Municipal Short-Term Note Ratings Definitions An S&P Global Ratings U.S. municipal note rating reflects S&P Global Ratings’ opinion about the liquidity factors and market access risks unique to the notes. Notes due in three years or less will likely receive a note rating. Notes with an original maturity of more than three years will most likely receive a long-term debt rating. In determining which type of rating, if any, to assign, S&P Global Ratings’ analysis will review the following considerations: ● Amortization schedule -- the larger final maturity relative to other maturities, the more likely it will be treated as a note; and ● Source of payment -- the more dependent the issue is on the market for its refinancing, the more likely it will be treated as a note. Note rating symbols are as follows: SP-1 : Strong capacity to pay principal and interest. An issue determined to possess a very strong capacity to pay debt service is given a plus (+) designation. SP-2 : Satisfactory capacity to pay principal and interest, with some vulnerability to adverse financial and economic changes over the term of the notes.

A-4

SP-3 : Speculative capacity to pay principal and interest. D : ‘D’ is assigned upon failure to pay the note when due, completion of a distressed exchange offer, or the filing of a bankruptcy petition or the taking of similar action and where default on an obligation is a virtual certainty, for example due to automatic stay provisions. Standard & Poor's Dual Ratings Dual ratings may be assigned to debt issues that have a put option or demand feature. The first component of the rating addresses the likelihood of repayment of principal and interest as due, and the second component of the rating addresses only the demand feature. The first component of the rating can relate to either a