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Q2 2026 Earnings August 2026 innospec▸▸
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Forward Looking Statements This presentation contains certain "forward-looking statements" within the meaning of the Private Securities Litigation Reform Act of 1995. All statements other than statements of historical facts included or incorporated herein may constitute forward-looking statements. Such forward- looking statements include statements (covered by words like “expects,” “estimates,” “anticipates,” “may,” “could,” “believes,” “feels,” “plans,” “intends,” “outlook” or similar words or expressions, for example) which relate to earnings, growth potential, operating performance, events or developments that we expect or anticipate will or may occur in the future. Although forward-looking statements are believed by management to be reasonable when made, they are subject to certain risks, uncertainties and assumptions, and our actual performance or results may differ materially from these forward-looking statements. Additional information regarding risks, uncertainties and assumptions relating to Innospec and affecting our business operations and prospects are described in Innospec’s Annual Report on Form 10-K for the year ended December 31, 2025, Innospec’s Quarterly Report on Form 10-Q for the quarter ended March 31, 2026 and other reports filed with the U.S. Securities and Exchange Commission. You are urged to review our discussion of risks and uncertainties that could cause actual results to differ from forward-looking statements under the heading "Risk Factors” in such reports. Innospec undertakes no obligation to publicly update or revise any forward-looking statements, whether as a result of new information, future events or otherwise. ©2026 Innospec Inc. 2
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Use of Non-GAAP Financial Measures The information presented in this presentation includes financial measures that are not calculated or presented in accordance with Generally Accepted Accounting Principles in the United States (GAAP). These non-GAAP financial measures comprise adjusted EBITDA, net income attributable to Innospec excluding special items and related per share amounts together with net cash. Adjusted EBITDA is net income attributable to Innospec per our consolidated financial statements adjusted for the exclusion of interest income, net, income taxes, depreciation and amortization, foreign currency exchange (gains)/losses, legacy costs of closed operations and adjustment to fair value of contingent consideration. Net income attributable to Innospec and diluted EPS, excluding special items, per our consolidated financial statements are adjusted for the exclusion of foreign currency exchange (gains)/losses, amortization of acquired intangible assets, legacy costs of closed operations and adjustment to fair value of contingent consideration. Net cash is cash and cash equivalents less total debt. The Company believes that such non-GAAP financial measures provide useful information to investors and may assist them in evaluating the Company’s underlying performance and identifying operating trends. In addition, these non-GAAP measures address questions the Company routinely receives from analysts and investors and the Company has determined that it is appropriate to make this data available to all investors. While the Company believes that such measures are useful in evaluating the Company’s performance, investors should not consider them to be a substitute for financial measures prepared in accordance with GAAP. In addition, these non-GAAP financial measures may differ from similarly- titled non-GAAP financial measures used by other companies and do not provide a comparable view of the Company’s performance relative to other companies in similar industries. Management uses adjusted EPS (the most directly comparable GAAP financial measure for which is GAAP EPS) and net income attributable to Innospec excluding special items and adjusted EBITDA (the most directly comparable GAAP financial measure for which is GAAP net income attributable to Innospec) to allocate resources and evaluate the performance of the Company’s operations and has provided a reconciliation of adjusted EBITDA and net income attributable to Innospec excluding special items, and related per share amounts, to GAAP net income attributable to Innospec in our earnings release. ©2026 Innospec Inc. 3
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Earnings Conference Call Agenda Introduction David Jones - VP , General Counsel Business Commentary Patrick S. Williams - President & CEO Financial Performance Ian Cleminson - Executive Vice President & CFO Questions & Answers Patrick S. Williams and Ian Cleminson 1 2 3 4 ©2026 Innospec Inc. 4
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Performance Chemicals 15 percent operating income increase on last year Expect further improvement in second half of 2026 Oilfield Services sequential and year-over-year operating income and margin improvement Expect further sequential improvement in second half of 2026 Summary of 2nd Quarter Performance Fuel Specialties operating income growth Margins that remained within our target range Expect continued strong performance GAAP EPS of $1.25 Adjusted non-GAAP EPS of $1.27 Q2 ©2026 Innospec Inc. 5 Strong quarter for Innospec; All businesses contributing Double digit revenue and operating income growth Balance sheet has $250.2 million in net cash Paid semi-annual dividend of 92 cents 87,089 shares repurchased
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Financial Performance 6
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Q2 2026 Consolidated Results ($ MM) ©2026 Innospec Inc. 7 Q2 2025 Q2 2026 • Revenue up 12 percent • Gross margin up 0.1 percentage point • Operating income up 16 percent • Adjusted EBITDA up 2 percent • Adjusted EPS of $1.27
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Q2 2026 Performance Chemicals ($ MM) ©2026 Innospec Inc. 8 • Revenue up 9 percent • Volumes down 2 percent • Price/mix up 8 percent • Gross margin down 0.2 percentage points • Operating income up 15 percent Q2 2025 Q2 2026
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Q2 2026 Fuel Specialties ($ MM) ©2026 Innospec Inc. 9 Q2 2025 Q2 2026 • Revenue up 12 percent • Volumes up 7 percent • Price/mix up 3 percent • Gross margin down 1.5 percentage points • Operating income up 3 percent
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Q2 2026 Oilfield Services ($ MM) ©2026 Innospec Inc. 10 Q2 2025 Q2 2026 • Revenue up 14 percent • Gross margin up 2.7 percentage points • Operating income up 40 percent
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Q2 2026 Corporate Items ($ MM) ©2026 Innospec Inc. 11 Q2 2025 Q2 2026 • Corporate costs up slightly on prior year • Effective tax rate of 25.0 percent
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Q2 2026 Balance Sheet ($ MM) ©2026 Innospec Inc. 12 Q4 2025 Q2 2026 • Operating cash inflow of $7.2 million • Capital expenditures of $16.5 million • Net cash of $250.2 million • 87,089 shares repurchased in the quarter
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Concluding Comments 13
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Summary of 2nd Quarter Performance ©2026 Innospec Inc. 14 Strong quarter for Innospec with all businesses contributing Double digit operating income growth in Performance Chemicals and Oilfield Services with improved margins Expect further second half operating income growth in Performance Chemicals and Oilfield Services; Steady results in Fuel Specialties Semi-annual dividend of 92 cents paid; 87,089 shares repurchased $250.2 million net cash on balance sheet to pursue further dividend growth, buybacks, organic investment and M&A Continued strong results in Fuel Specialties
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Q&A 8/3/2026 ©2026 Innospec Inc.
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Final Comments ©2026 Innospec Inc. 16 Thank You for Your Continued Support November 2026 Sun Mon Tue Wed Thu Fri Sat 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 Q3 2026 Results Schedule • November 3rd – Results Release After Close • November 4th – Conference Call