Atlas Senior Loan Fund XVII Ltd.'s note issuance is a CLO securitization governed by investment criteria and backed primarily by broadly syndicated speculative-grade senior secured term loans. We assigned our ratings to the class A, B-1, B-2, C, D, and E notes. The ratings reflect our view of the transaction's diversified collateral pool, credit enhancement, pool characteristics, and legal structure, among other factors. TORONTO (S&P Global Ratings) Oct. 15, 2021--S&P Global Ratings today assigned its ratings to Atlas Senior Loan Fund XVII Ltd./Atlas Senior Loan Fund XVII LLC's fixed- and floating-rate notes (see list). The note issuance is a CLO securitization governed by investment criteria and backed primarily by broadly syndicated speculative-grade (rated 'BB+' or lower) senior secured term loans.