Company Overview - TSLX is a specialty lending company focused on providing financing solutions to US-based middle-market companies with target EBITDA between $10 million and $250 million [8, 10] - The company's market capitalization is $35 billion, with a net asset value (NAV) per share of $1714 [8] - The investment portfolio is diversified across 108 portfolio companies, with an average investment size of $303 million [10] Portfolio Composition and Strategy - The portfolio is primarily composed of secured debt investments, with 901% secured and 892% first-lien debt [10] - A significant portion of the debt investments, 963%, are floating rate [10] - The company focuses on direct, primary originations sourced through coverage of companies, financial sponsors, and intermediaries, with approximately 99% of originations from non-intermediated channels [10] Financial Performance - The annualized Return on Equity (ROE) from Net Investment Income for Q3 2025 was 125%, while the annualized ROE from Net Income was 110% [10] - As of September 30, 2025, the company had approximately $1047 million of undrawn capacity on its revolving credit facility [10] - New investment commitments for Q3 2025 totaled $3877 million, and net funding activity was $490 million [12, 21] Liquidity and Capital Management - The company maintains a strong liquidity position, with total liquidity of $11 billion, exceeding unfunded investment commitments by 64x [42] - Approximately 82% of assets are funded by unsecured debt and equity [42] - The weighted average remaining time to maturity of debt is approximately 37 years [10, 42]

References in this presentation ("Presentation") to "TSLX," "we," "us," "our" and "the Company" refer to Sixth Street Specialty Lending, Inc. EARNINGS PRESENTATION Quarter Ended June 30, 2025 This Presentation includes forward-looking statements about TSLX that involve substantial risks and uncertainties. These forward-looking statements are not historical facts, but rather are based on current expectations, estimates and projections about us, our current and prospective portfolio investments, our industry, ...