...- Columbia Cent CLO 28 Ltd. refinanced its class A-1, A-2, and B notes on May 7, 2021, through an optional redemption and replacement note issuance. - After analyzing the changes to the transaction, we assigned ratings to the replacement class A-1-R, A-2-R, and B-R notes, and withdrew our ratings on the class A-1, A-2, and B notes following payment in full. We also affirmed our ratings on the class C and D notes, which were not refinanced. - The ratings reflect our view of the credit support available to the refinanced notes after examining the revised spreads, which reduce the transaction's overall cost of funding. NEW YORK (S&P Global Ratings) May 7, 2021--S&P Global Ratings today assigned its ratings to the class A-1-R, A-2-R, and B-R replacement notes from Columbia Cent CLO 28 Ltd./Columbia Cent CLO 28 LLC, a CLO that is managed by RiverSource Investments LLC. At the same time, we withdrew our ratings on the class A-1, A-2, and B notes following payment in full on the May 7, 2021, refinancing...