...The company's leverage, measured as debt to ATE, is marginally above our base-case expectation. S&P Global Ratings' measured debt to ATE for the company as of March 31, 2023, was 1.3x, which is above our base-case expectation of 1.0x-1.25x, but still below our downside threshold of 1.5x. Blackstone Secured Lending Fund's (BXSL) measurement of its leverage ratio (net debt to equity) was 1.28x, slightly above management's target of 1.25x. BXSL's lack of an operating track record through a credit cycle is partly offset by the broader capabilities of the Blackstone Credit platform. The company began operating in 2018, and lacks an operating track record through a credit cycle. However, we think BXSL benefits from the access to the Blackstone Credit platform, its diversified funding mix, and its experienced management team....