Sixth Street Specialty Lending, Inc. · NYSE:TSLX

Sixth Street Specialty Lending — Debt Investor Presentation (December 2025)

57 slides from Sixth Street Specialty Lending's debt investor presentation, December 2025

  1. Slide 1: Sixth Street Specialty Lending Fixed Income Presentation December 2025

    SIXTH STREET SPECIALTY LENDING SIXTH STREET SPECIALTY LENDING, INC Fixed Income Presentation December 2025

  2. Slide 2: Disclaimer and Forward-Looking Statement

    DISCLAIMER AND FORWARD-LOOKING STATEMENT General Disclaimer The information contained in this presentation (the ʺPresentationʺ) is preliminary, may not be complete and may be changed. By acceptance hereof, you agree that the information contained herein may not be used, reproduced or distributed to

  3. Slide 3: Agenda: Overview & Organization

    AGENDA 1. Overview & Organization 3 SIXTH STREET SPECIALTY LENDING

  4. Slide 4: Overview

    14.71 0.00 $14.71 Q4'11 14.88 0.06 $14.94 14.92 0.22 $15.14 15.12 0.54 $15.66 15.19 0.90 $16.09 Q4'12 15.27 1.23 $16.50 15.29 1.61 $16.90 OVERVIEW 15.35 2.01 $17.36 15.52 2.39 $17.91 Q4'13 15.51 2.79 $18.30 15.70 3.17 $18.87 15.66 3.55 $19.21 15.53 3.93 $19.46 Q4'14 15.60 4.32 $19.92 15.84 4.71 $20.

  5. Slide 5: The Sixth Street Platform

    THE SIXTH STREET PLATFORM 1 Overview & Organization TAO: Sixth Street Highly Flexible, Thematically Focused, Cross-Platform Investing Vehicle Sports & Live Fundamental Direct Asset Based Credit Market Real Estate Opportunities Growth Entertainment Strategies Lending Finance Strategies US Middle Mark

  6. Slide 6: Sixth Street Investing Architecture

    SIXTH STREET INVESTING ARCHITECTURE 1 Overview & Organization Fundamental US & European Healthcare & Growth Energy Opportunistic Insurance Real Estate Strategies Direct Lending Life Sciences Software & Sports, Media & Credit Market Financial & Asset Based Consumer & Digital Infrastructure & Business

  7. Slide 7: Flexible Capital: Sixth Street Platform Reach

    FLEXIBLE CAPITAL: SIXTH STREET PLATFORM REACH 1 Overview & Organization Opportunities Growth Adjacencies Reward Fundamental Infrastructure Strategies ABF Direct Lending Insurance Real Estate Credit Market Strategies Yielding Agriculture Risk Note: For illustrative purposes only. FLEXIBLE CAPITAL TO

  8. Slide 8: SLX Senior Leadership

    SLX SENIOR LEADERSHIP 1 Overview & Organization JOSHUA EASTERLY BO STANLEY MIKE GRIFFIN Chairman and Co-CEO Partner Co-CEO of SLX & SSLP of SLX & SSLP Co-Head of Direct Lending Partner Co‐Founding Partner, Co‐President 14 years at Sixth Street and Co-CIO of Sixth Street Co-Head of Direct Lending 16

  9. Slide 9: Differentiated Solutions Provider

    DIFFERENTIATED SOLUTIONS PROVIDER 1 Overview & Organization Our Competitive Advantages Our Track Record Highlights Part of a $115+ billion1 Sixth Street Approximately $51.8 billion of platform with proprietary deal flow investments originated with a realized and significant resources including avera

  10. Slide 10: BDC Sector Themes

    BDC SECTOR THEMES CENTRAL THEMES Idiosyncratic Capital Raising Dividend Access to Capital Dispersion in Credit and Deployment Coverage Markets ROE Headwinds EMERGING THEMES Improving portfolio Imbalance in supply and Shrinking portfolio yields Credit stabilizing company interest Portfolio turnover d

  11. Slide 11: Approach to the Unsecured Markets

    APPROACH TO THE UNSECURED MARKETS 1 Overview & Organization 1.13x 67% 2.3x >$1.0BN 5 bps ~77% 0.6% Debt to Equity Unsecured Asset Cov. for Revolver Annualized net New Vintage Portfolio (FV) (GAAP) Debt Uns. Notes1 Capacity realized gains2 Portfolio on Non-Accrual Our Framework Implementation • Four

  12. Slide 12: Agenda: Track Record

    AGENDA 1. Overview & Organization 2. Track Record 12 SIXTH STREET SPECIALTY LENDING

  13. Slide 13: Track Record of Strong Performance

    TRACK RECORD OF STRONG PERFORMANCE 2 Track Record RETURN ON EQUITY 2 (NI) OPERATING RETURN ON EQUITY 2 (NII) TSLX BDC Peers (Mean) BDC Peers Top Quartile¹ TSLX BDC Peers (Mean) BDC Peers Top Quartile¹ LTM Since TSLX IPO LTM Since TSLX IPO outperformance 13.4% 13.3% 13.5% 11.7% 10.9% 10.9% 9.3% 10.3%

  14. Slide 14: TSLX Annual Returns Since IPO

    TSLX ANNUAL RETURNS SINCE IPO 2 Track Record ROE on Adj. Net Income Economic Return 19.7% 19.1% 15.4% 15.9% 16.2% 15.5% 14.7% 15.5% 16.1% 14.5% 11.9% 13.0% 10.8% 12.1% 11.6% 11.7% 11.6% 11.3% 10.0% 7.6% 7.6% 7.6% 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 Net Income / Share $1.68 $1.18 $

  15. Slide 15: Industry vs TSLX Unit Economics

    INDUSTRY VS TSLX UNIT ECONOMICS 2 Track Record Unit Economics (Since TSLX IPO) BDC Peers TSLX Return on Assets: All-in Yield (on Assets) 10.2% 13.4% Higher return on assets Cost of Funds2 (5.7%) (5.8%) Debt/Equity 0.96x 0.89x Net Interest Income Return (on Equity)1 14.5% 20.1% Management Fees3 (3.0%

  16. Slide 16: 3-Year Cumulative Change in NAV per Share

    3-YEAR CUMULATIVE CHANGE IN NAV PER SHARE 2 Track Record Q3’22 – Q3’25 15.0% 7.7% 5.4% 4.8% 5.0% 3.0% 2.5% 2.0% 2.0% 1.7% 0.8% 0.6% 0.3% -0.9% -1.6% -5.0% -2.3% Median: -3.8% -3.7%-3.8% -4.0% -4.4% -4.7% -5.1% -8.0% -8.6%-8.6% -9.4%-10.2% -15.0% -13.1% -15.1% -18.3% -25.0% -23.8% -35.0% -35.6% -38.4

  17. Slide 17: Agenda: Liquidity and Funding Profile

    AGENDA 1. Overview & Organization 3. Liquidity and Funding Profile 17 SIXTH STREET SPECIALTY LENDING

  18. Slide 18: Strong Liquidity and Funding Profile

    STRONG LIQUIDITY AND FUNDING PROFILE 3 Liquidity and Funding Profile CAPITAL & LIQUIDITY ROBUST BALANCE SHEET LIQUIDITY VS. NEAR-TERM OBLIGATIONS ($ in Millions) As of September 30, 2025 / $ Millions Near-term Obligations $63 Cash $1,110 Total Liquidity: $ 1,047 Undrawn Revolver $1.1BN1,2 Capacity1

  19. Slide 19: Liquidity Management

    LIQUIDITY MANAGEMENT 3 Liquidity and Funding Profile CASH AND CASH EQUIVALENTS Unrestricted Cash Totaled $63.0 Million as of September 30, 2025. Restricted Cash Related to Interest Rate Swaps Totaled $20.1 Million 1 Revolving Credit Facility Unsecured Notes $1.675 Billion Committed; Uncommitted Acco

  20. Slide 20: Strong Asset Coverage for Outstanding Debt

    STRONG ASSET COVERAGE FOR OUTSTANDING DEBT 3 Liquidity and Funding Profile TSLX Asset Coverage for Unsecured Notes1 Unsecured Debt over Total Debt Outstanding 68% 71% 67% 66% 2.3x 2.3x 2.3x 2.3x 2.3x 49% Q3'24 Q4'24 Q1'25 Q2'25 Q3'25 Q3'24 Q4'24 Q1'25 Q2'25 Q3'25 Asset coverage for unsecured notes o

  21. Slide 21: A Disciplined Approach to Liquidity & Capital Management

    A DISCIPLINED APPROACH TO LIQUIDITY & CAPITAL MANAGEMENT 3 Liquidity and Funding Profile ($ in Millions) Revolving Credit Facility Renewal Unsecured Bonds Issued Convertible Notes Issued Equity Issued DRIP Equity $36 $25 1.60x $90 $94 $13 $21 1.40x $130 $300 $350 $300 $22 $78 1.20x $10 $300 $16 $10

  22. Slide 22: SLX Historical Dividend Coverage

    SLX HISTORICAL DIVIDEND COVERAGE 3 Liquidity and Funding Profile 48 1.00 Sequential Quarters 0.90 of Stable or Increasing 0.80 per Base Dividends Share 0.70 $0.63 $0.64 $0.60 $0.62 $0.61 $0.59 $0.58 $0.58 $0.58 0.60 $0.57 $0.56 $0.55 $0.55 $0.53 $0.49 0.50 $0.47 $0.09 $0.08 $0.06 $0.07 $0.06 $0.06 $

  23. Slide 23: Agenda: Credit Highlights

    AGENDA 1. Overview & Organization 4. Credit Highlights 23 SIXTH STREET SPECIALTY LENDING

  24. Slide 24: Credit Highlights – TSLX vs BDC Peers

    CREDIT HIGHLIGHTS – TSLX VS BDC PEERS 4 Credit Highlights Long Term Credit Ratings ROE (NI) % Debt % Non-Accrual Since ($ in millions) Ticker Moody's S&P Fitch KBRA Assets Debt1 Unsecured5 1st Lien2 (FV) LTM3 TSLX IPO4 Sixth Street Specialty Lending TSLX Baa2 (stable) BBB- (stable) BBB (positive) BB

  25. Slide 25: Credit Highlights – TSLX vs BDC Peers

    CREDIT HIGHLIGHTS – TSLX VS BDC PEERS 4 Credit Highlights Long Term Credit Ratings Key Credit Metrics Debt Debt Interest Interest & Dividend Q3 Base Dividend ($ in millions) Ticker Moody's S&P Fitch KBRA / Equity1 / Assets1 Coverage2 Coverage3 Coverage4 Sixth Street Specialty Lending TSLX Baa2 (stab

  26. Slide 26: Agenda: Principles and Investment Strategy

    AGENDA 1. Overview & Organization 5. Principles and Investment Strategy 6. Appendix 26 SIXTH STREET SPECIALTY LENDING

  27. Slide 27: Differentiated Platform Expertise

    DIFFERENTIATED PLATFORM EXPERTISE 5 Principles and Investment Strategy DIFFERENTIATED MAINTAIN A LOW PLATFORM DISCIPLINED SECTOR FOCUSED RISK VOLATILITY EXPERTISE AND APPROACH MANAGEMENT PORTFOLIO CAPABILITIES • Source away from Wall • Late cycle-minded sector • Cover the downside • Avoid risks that

  28. Slide 28: Sourcing and Underwriting Overview

    SOURCING AND UNDERWRITING OVERVIEW 5 Principles and Investment Strategy Sourcing Underwriting Asset Management Process: Process: Process: • Credit originators / team • Quick Look memo • Performing Loans – Monthly review of operating performance • Weekly pipeline conference calls • Prepare Investment

  29. Slide 29: Differentiated Platform Expertise and Capabilities

    DIFFERENTIATED PLATFORM EXPERTISE AND CAPABILITIES 5 Principles and Investment Strategy Sourcing Voting Control TSLX Portfolio Construction Intermediary/ Market Relationship No Voting >1% Control 22% $20-105 Predominantly, million floating rate, first position size lien / senior secured US and Targe

  30. Slide 30: Net Interest Margin Analysis

    NET INTEREST MARGIN ANALYSIS 5 Principles and Investment Strategy 1 Weighted Average Total Yield on Debt and Income Producing Securities at Amortized Cost Weighted Average Interest Rate of Debt and Income Producing Securities at Fair Value Weighted Average Spread Over Reference Rate of All Floating

  31. Slide 31: Disciplined Sector Approach

    DISCIPLINED SECTOR APPROACH 5 Principles and Investment Strategy GOOD BUSINESSES WITH CHALLENGED BUSINESS GOOD BUSINESSES WITH 1 2 3 GOOD CAPITAL STRUCTURE MODELS WITH GOOD ASSETS CHALLENGING CAPITAL STRUCTURE Note: Reflects current and fully realized investments; selected to represent a variety of

  32. Slide 32: Low Cyclical Exposure

    Q1'13 626 31% 31% Q2'13 787 25% 25% Q3'13 22% 889 26% Q4'13 22% 1,016 26% Q1'14 19% 1,196 28% Q2'14 20% 1,129 24% Q3'14 18% 28% 1,233 Q4'14 12% 20% 1,264 $ Millions by Fair Value Q1'15 10% 18% 1,331 Q2'15 8% 17% 1,398 Investments at Fair Value Q3'15 7% 16% 1,396 Q4'15 7% 10% 1,486 Q1'16 7% 9% 1,564

  33. Slide 33: Diversification Across Borrowers & Industries

    DIVERSIFICATION ACROSS BORROWERS & INDUSTRIES 5 Principles and Investment Strategy Top 10 Borrower Diversification Industry Diversification Bcto Ace Purchaser Inc ExtraHop Networks, Inc. Internet Services Business Services EDB Parent, LLC Galileo Parent, Inc. Retail and consumer products Human Resou

  34. Slide 34: Portfolio Diversification Across Borrowers

    Q1'13 626 70% Q2'13 787 61% Q3'13 889 57% Q4'13 1,016 54% Q1'14 1,196 50% Q2'14 1,129 50% Q3'14 1,233 49% Q4'14 1,264 48% $ Millions by Fair Value Q1'15 1,331 47% Q2'15 44% 1,398 Q3'15 43% 1,396 Q4'15 41% 1,486 Q1'16 39% 1,564 Q2'16 38% 1,611 Q3'16 36% 1,644 Q4'16 36% 1,657 Q1'17 38% 1,580 Q2'17 40%

  35. Slide 35: Asset Vintage Diversity

    ASSET VINTAGE DIVERSITY 5 Principles and Investment Strategy Fair Value by Vintage Debt Investments by Maturity $ Millions by Fair Value $ Millions by Fair Value 23% 27% $733 $848 20% $636 20% 16% 16% $629 15% $511 17% $503 $470 15% 15% $538 $488 $470 7% $213 4% 3% $135 2% 2% $86 $70 $71 0% 0% 0% 0%

  36. Slide 36: High Quality Portfolio

    HIGH QUALITY PORTFOLIO 5 Principles and Investment Strategy SLX Weighted Average Portfolio Performance Rating SLX % of Investments on Non-Accrual By Fair Value % of Portfolio Rated 1 or 2 By Fair Value By Amortized Cost 97% 98% 97% 98% 99% 3.9% 3.7% 3.7% 2.1% 2.0% 1.9% 1.14 1.10 1.11 1.10 1.12 1.4%

  37. Slide 37: TSLX Portfolio vs. Broadly Syndicated Loan Market

    TSLX PORTFOLIO VS. BROADLY SYNDICATED LOAN MARKET 5 Principles and Investment Strategy TSLX Broadly Syndicated Loan Market BUSINESS SERVICES / 78% 17% LOWER BETA INDUSTRIES1 AVERAGE REFERENCE RATE FLOORS2 0.86% 0.64% WEIGHTED AVERAGE LIFE3 1.3 years 4.6 years 102 102 100 100 98 98 99 99 98 98 98 98

  38. Slide 38: Originations and Funding Activity

    ORIGINATIONS AND FUNDING ACTIVITY 5 Principles and Investment Strategy $ Billions Origination sizes: Up to $500+ million $51.8 Target investment holds: $30 – $100 million Target position size: $20 – $105 million $11.6 $40.3 $3.4 $8.8 1 1 Originations Syndications and Fundings Realizations, Portfolio

  39. Slide 39: Agenda: Appendix

    AGENDA 1. Overview & Organization 6. Appendix 39 SIXTH STREET SPECIALTY LENDING

  40. Slide 40: TSLX Valuation Process: Internal, External & Board Level Review

    TSLX VALUATION PROCESS: INTERNAL, EXTERNAL & BOARD LEVEL REVIEW 25+ people 15+ people 100+ people 100+ people 100+ people 9 people Complete Initial Preliminary Final Valuation Audit Committee Board of Portfolio Review of Draft of Valuation Committee Meeting Directors Reviews Valuation Valuation Comm

  41. Slide 41: BDC Sector Price-to-Book

    BDC SECTOR PRICE-TO-BOOK Price-to-Book vs. ROE on Net Income (Since TSLX IPO) Average Price-to-Book1 1.3x Annualized ROE (on NI): • TSLX: 13.4% • BDC Peers Mean: 7.7% 1.2x TSLX • BDC Peers Median: 6.7% BDC 11 1.1x BDC 6 BDC 20 1.0x BDC 26BDC 8 BDC 1 BDC 9 BDC 22 BDC 12 BDC 28 BDC 13 BDC 16 BDC 24 BD

  42. Slide 42: Thorough Origination, Underwriting and Negotiation Process

    THOROUGH ORIGINATION, UNDERWRITING AND NEGOTIATION PROCESS ORIGINATION UNDERWRITING & APPROVAL NEGOTIATION & CLOSING Input / Output Process Bottleneck Make Decision Simultaneous Process Pre-cmt. Create Expense checklist Start Ledger for Out-of- Pocket Expenses Issue Commitment Legal & Final KYC Proc

  43. Slide 43: Financial Highlights

    FINANCIAL HIGHLIGHTS DOLLAR AMOUNTS IN THOUSANDS Except Per Share Data; Per Share Data is Based on Weighted Average Shares Outstanding During the Period, Except as Otherwise Noted Q3 2024 Q4 2024 Q1 2025 Q2 2025 Q3 2025 Net Investment Income Per Share $0.59 $0.62 $0.62 $0.54 $0.54 Net Income (Loss)

  44. Slide 44: Portfolio Highlights – Selected Metrics

    PORTFOLIO HIGHLIGHTS – SELECTED METRICS DOLLAR AMOUNTS IN THOUSANDS September 30, 2024 December 31, 2024 March 31, 2025 June 30, 2025 September 30, 2025 Investments at Fair Value $3,441,075 $3,518,412 $3,412,032 $3,294,905 $3,376,311 Number of Portfolio Companies 115 116 115 109 145 Average Investme

  45. Slide 45: Quarterly Statements of Financial Condition

    QUARTERLY STATEMENTS OF FINANCIAL CONDITION DOLLAR AMOUNTS IN THOUSANDS Except Per Share Data; Per Share Data is Based on Ending Shares Outstanding September 30, 2024 December 31, 2024 March 31, 2025 June 30, 2025 September 30, 2025 Assets Investments at Fair Value $3,441,075 $3,518,412 $3,412,032 $

  46. Slide 46: Net Asset Value Bridge – Q3'25

    NET ASSET VALUE BRIDGE – Q3’25 $0.01 $0.53 ($0.08) ($0.46) $17.17 $17.12 $17.13 $0.01 $0.01 $17.14 $17.11 ($0.05) ($0.01) ($0.03) 6/30/2025 Q2'25 6/30/25 Q3'25 Q3'25 Q32'25 Q3'25 NAV Q3'25 Q3'25 Q3'25 9/30/25 Q3'25 9/30/25 1 2 Supplemental Adjusted NAV Adjusted Net Reversal of Reversal of Net Base D

  47. Slide 47: Our Drivers of ROE

    OUR DRIVERS OF ROE Illustrative Unit Economics / Return on Equity Return on Assets: Return on Assets Weighted Average Interest Rate of Portfolio 10.9% Amortization of upfront fees1 0.9% Total Yield on Debt and Income Producing Securities 11.8% Impact of Additional fees2 0.7% Prudent Use of Leverage

  48. Slide 48: Illustrative Interest Coverage Throughout Cycles

    ILLUSTRATIVE INTEREST COVERAGE THROUGHOUT CYCLES Illustrative Interest Coverage Illustrative Interest Coverage Debt to Equity Debt to Equity 303.04% 0.90x 0.95x 1.00x 1.05x 1.10x 1.25x 303.04% 0.90x 0.95x 1.00x 1.05x 1.10x 1.25x 10.0% 2.52x 2.50x 2.48x 2.46x 2.45x 2.40x 5.50% 4.11x 4.00x 3.90x 3.81x

  49. Slide 49: Illustrative Interest Coverage Throughout Cycles

    ILLUSTRATIVE INTEREST COVERAGE THROUGHOUT CYCLES Illustrative Interest Coverage Illustrative Interest Coverage Debt to Equity Debt to Equity 303.04% 0.90x 0.95x 1.00x 1.05x 1.10x 1.25x 303.04% 0.90x 0.95x 1.00x 1.05x 1.10x 1.25x 10.0% 2.52x 2.50x 2.48x 2.46x 2.45x 2.40x 5.50% 4.11x 4.00x 3.90x 3.81x

  50. Slide 50: Book Value per Share and Dividends Paid per Share

    Q4'11 $14.71 $0.00 $14.71 Q1'12 $14.88 $0.06 $14.94 Q2'12 $14.92 $0.22 $15.14 Q3'12 $15.12 $0.54 $15.66 Q4'12 $15.19 $0.90 $16.09 $15.27 $1.23 $16.50 Note: As of 9/30/2025. Q1'13 Q2'13 $15.29 $1.61 $16.90 Q3'13 $15.35 $2.01 $17.36 Q4'13 $15.52 $2.39 $17.91 Q1'14 $15.51 $2.79 $18.30 Q2'14 $15.70 $3.1

  51. Slide 51: Sixth Street Responsible Investment Overview

    SIXTH STREET RESPONSIBLE INVESTMENT OVERVIEW WHAT WE BELIEVE RI AND ESG GOVERNANCE EMPLOYEE TRAINING • Our mission is to deliver • Senior oversight through • Sixth Street provides training compelling risk-adjusted ESG Oversight and other tools to its returns while conducting our Committee includes e

  52. Slide 52: Differentiated Investor Transparency and Communication

    DIFFERENTIATED INVESTOR TRANSPARENCY AND COMMUNICATION Letter to Stakeholders – Quarterly Debt & Equity Investor Presentations April 2025 & November 2025 Regional Banking Crisis – Valuation Principles – Covid-19 Pandemic – 2020 March 2023 August 2022 52 SIXTH STREET SPECIALTY LENDING

  53. Slide 53: Footnotes

    FOOTNOTES SIXTH STREET SPECIALTY LENDING

  54. Slide 54: Footnotes

    FOOTNOTES Slide 4: Overview 1. Reflects NAV per share adjusted for the supplemental dividend per share related to Q3 2025 earnings 2. Moody’s rating upgraded 2/14/2025; S&P rating affirmed on 1/16/2025; Fitch rating affirmed on 4/14/2025; KBRA rating affirmed 6/4/2025 Slide 5: The Sixth Street Platf

  55. Slide 55: Footnotes

    FOOTNOTES Slide 19: Liquidity Management 1. Includes $150 million of remaining non-extending commitments with a maturity of April 23, 2027 and a revolving period ending April 24, 2026. The amount available may be subject to limitations related to the borrowing base under the Revolving Credit Facilit

  56. Slide 56: Footnotes

    FOOTNOTES Slide 43: Financial Highlights 1. Adjusted to exclude the capital gains incentive fee expense that was accrued, but not paid, related to cumulative unrealized capital gains in excess of cumulative net realized capital gains less any cumulative unrealized losses and capital gains incentive

  57. Slide 57: TSLX Investor Relations

    CONTACT US: TSLX Investor Relations IRTSLX@sixthstreet.com VISIT US: www.sixthstreetspecialtylending.com 57 SIXTH STREET SPECIALTY LENDING

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