Slide 1: Q3 2025 Earnings
Q3 2025 Earnings November 2025 1
Slide 2: Forward Looking Statements
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. S
Slide 3: Use of Non-GAAP Financial Measures
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, inco
Slide 4: Earnings Conference Call Agenda
Earnings Conference Call Agenda Introduction 1 David Jones - VP, General Counsel Business Commentary 2 Patrick S. Williams - President & CEO Financial Performance 3 Ian Cleminson - Executive Vice President & CFO Questions & Answers 4 Patrick S. Williams and Ian Cleminson ©2025 Innospec Inc. 4
Slide 5: Summary of 3rd Quarter Performance
Summary of 3rd Quarter Performance GAAP EPS of 52 cents Strong growth in Fuel Balance sheet has $270.8 Q3 Specialties offsetting million in net cash Adjusted non-GAAP lower results in EPS of $1.12 10 percent semi-annual Performance Chemicals dividend increase to 87 and Oilfield Services cents per sh
Slide 6: Financial Performance
Financial Performance innospec’>
Slide 7: Q3 2025 Consolidated Results
Q3 2025 Consolidated Results ($ MM) • Revenue broadly flat • Gross margin down 1.6 percentage points • Operating income down 87 percent including the impact of $24.4 million in charges • Adjusted EBITDA down 12 percent • Adjusted EPS of $1.12 Q3 2024 Q3 2025 ©2025 Innospec Inc. 7
Slide 8: Q3 2025 Performance Chemicals
Q3 2025 Performance Chemicals ($ MM) • Revenue up 4 percent • Volumes down 2 percent • Price/mix up 3 percent • Gross margin down 7.0 percentage points • Operating income down 54 percent • Initial margin improvement actions showing positive impact in late Q3 • Expect sequential margin and operating
Slide 9: Q3 2025 Fuel Specialties
Q3 2025 Fuel Specialties ($ MM) • Revenue up 4 percent • Volumes down 7 percent • Price/mix up 7 percent • Gross margin up 2.0 percentage points • Operating income up 14 percent • Expect broadly consistent performance in Q4 Q3 2024 Q3 2025 ©2025 Innospec Inc. 9
Slide 10: Q3 2025 Oilfield Services
Q3 2025 Oilfield Services ($ MM) • Revenue down 13 percent on lower Middle East activity • Gross margin up 1.7 percentage points • Operating income down 32 percent • Activity recovery expected in Q4 • Expect sequential margin and operating income improvement in Q4 Q3 2024 Q3 2025 ©2025 Innospec Inc.
Slide 11: Q3 2025 Corporate Items
Q3 2025 Corporate Items ($ MM) • Prior year included an $8.4 million recovery of historic pension costs • Adjusted effective tax rate of 22.5 percent • Full year adjusted effective tax rate expected to be 25 percent Q3 2024 Q3 2025 ©2025 Innospec Inc. 11
Slide 12: Q3 2025 Balance Sheet
Q3 2025 Balance Sheet ($ MM) • Operating cash inflow of $39.3 million • Capital expenditures of $22.2 million • Net cash balance $270.8 million • Authorized 10 percent increase in semi-annual dividend to 87 cents per share • $10.7 million in share buybacks Q4 2024 Q3 2025 ©2025 Innospec Inc. 12
Slide 13: Concluding Comments
Concluding Comments innospec’>
Slide 14: Summary of 3rd Quarter Performance
Strong growth in Fuels Specialties offsetting lower results in Summary of Performance Chemicals and Oilfield Services Continued focus on margin improvement and operating income 3 Quarter rd growth in Performance Chemicals and Oilfield Services Performance Sequential improvement expected in Performan
Slide 15: Q&A
Q&A 11/4/2025 ©2025 Innospec Inc.
Slide 16: Final Comments
Final Comments February 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 Thank You for Your 22 23 24 25 26 27 28 Continued Support Q4 2025 Results Schedule • February 17th – Results Release After Close • February 18th – Conference Call ©2025 Innospec Inc. 16