2022 Corporate Responsibility Report

Capital Structure and Allocation Capital Structure Optimizes financial leverage benefits and financial flexibility Target 2-2.5x leverage¹ $ billions Cash 3/31/2024 Rate 1.2 nm Maturity nm Revolver 0.3 Term SOFR + 135 2029 • ~$200M cash is needed to run the business 2028 Bonds 0.8 4.50% 2028 Free Cash Flow deployment • Expect to offset equity dilution Opportunistic, price sensitive stock repurchases Strategic value-enhancing tuck-in acquisitions No current plans for material debt repayments 2029 Bonds 0.6 3.63% 2029 2030 Bonds 0.8 3.75% 2030 Total Debt 2.5 5.06% Revolver Unused Capacity 0.7 15 bps Interest Rate Swaps 0.4 2.98% % Debt With Fixed Rates 100% Leverage Ratios 1Q 2024 Bank Covenant Share Repurchases $ millions 1,656 1,044 Gross Debt/Adjusted EBITDA1 Net Debt/Adjusted EBITDA Consolidated Leverage Ratio 2 1.7x na 0.8x na 1.4x ≤ 4.0x 432 509 182 261 59 - 199 - 176 41 606 225 Debt Ratings Fitch S&P T T 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 YTD Moody's Investment Grade Ratings BBB BBB- Baa3 2024 ~$830M repurchase authorization remaining as of 3/31/2024 1 Gross debt/Trailing twelve month Adjusted EBITDA. 2 26 As defined in the Company's 2024 Credit Agreement. © 2024 Gartner, Inc. and/or its affiliates. All rights reserved. Gartner

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