Innospec Inc.

htm EX-99.1 EX-99.1 Exhibit 99.1 INNOSPEC REPORTS SECOND QUARTER 2025 FINANCIAL RESULTS Strong growth in Fuel Specialties operating income offsetting lower results in our other businesses Focus on sequential gross margin and operating income improvement in the second half of the year Debt-free balance sheet with over $266 million in net cash; $8.2 million in share repurchases GAAP EPS 94 cents and adjusted non-GAAP EPS $1.26 Englewood, CO August 5, 2025 Innospec Inc.

SEC original ↗Innospec Inc. — Earnings release (8-K exhibit)EX-99Aug 6, 2025

Cash from operating activities was $9.3 million before capital expenditures of $16.2 million.

SEC original ↗Innospec Inc. — Earnings release (8-K exhibit)EX-99Aug 6, 2025

In the second quarter, the Company paid its semi-annual dividend of 84 cents per common share and repurchased 89,778 of its common shares under the share repurchase program at a cost of $20.8 million and $8.2 million respectively.

SEC original ↗Innospec Inc. — Earnings release (8-K exhibit)EX-99Aug 6, 2025

As of June 30, 2025, Innospec had $266.6 million in cash and cash equivalents and no debt.

SEC original ↗Innospec Inc. — Earnings release (8-K exhibit)EX-99Aug 6, 2025

We have significant balance sheet flexibility for M&A, dividend growth, organic investment and buybacks.

SEC original ↗Innospec Inc. — Earnings release (8-K exhibit)EX-99Aug 6, 2025

This quarter we continued our record of returning value to shareholders with our semi-annual dividend of 84 cents per share and $8.2 million in share repurchases.

SEC original ↗Innospec Inc. — Earnings release (8-K exhibit)EX-99Aug 6, 2025

htm EX-99.1 EX-99.1 Exhibit 99.1 INNOSPEC REPORTS SECOND QUARTER 2025 FINANCIAL RESULTS Strong growth in Fuel Specialties operating income offsetting lower results in our other businesses Focus on sequential gross margin and operating income improvement in the second half of the year Debt-free balance sheet with over $266 million in net cash; $8.2 million in share repurchases GAAP EPS 94 cents and adjusted non-GAAP EPS $1.26 Englewood, CO August 5, 2025 Innospec Inc.

SEC original ↗Innospec Inc. — Earnings release (8-K exhibit)EX-99Aug 6, 2025

Gross margin improvement is a key priority in Performance Chemicals, and our team remains focused on delivering sequential growth in the coming quarters.

SEC original ↗Innospec Inc. — Earnings release (8-K exhibit)EX-99Aug 6, 2025

We remain focused on achieving full year operating income growth and margin improvement in this business.

SEC original ↗Innospec Inc. — Earnings release (8-K exhibit)EX-99Aug 6, 2025

We remain focused on driving further sequential operating income growth through a combination of top-line initiatives, cost management and other near-term improvement opportunities in the second half of this year.

SEC original ↗Innospec Inc. — Earnings release (8-K exhibit)EX-99Aug 6, 2025

Williams concluded, We continue to prioritize gross margin and operating income improvement in the near term in Performance Chemicals and Oilfield Services, which we intend to deliver in the second half of 2025.

SEC original ↗Innospec Inc. — Earnings release (8-K exhibit)EX-99Aug 6, 2025

As expected, the business has continued to deliver consistent results through the current economic uncertainty.

SEC original ↗Innospec Inc. — Earnings release (8-K exhibit)EX-99Aug 6, 2025

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.

SEC original ↗Innospec Inc. — Earnings release (8-K exhibit)EX-99Aug 6, 2025

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, 2024, Innospec s Quarterly Report on Form 10-Q for the quarter ended March 31, 2025 and other reports filed with the U.

SEC original ↗Innospec Inc. — Earnings release (8-K exhibit)EX-99Aug 6, 2025

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.

SEC original ↗Innospec Inc. — Earnings release (8-K exhibit)EX-99Aug 6, 2025

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, and other reports filed with the U.

SEC original ↗Innospec Inc. — 10-Q Quarterly report10-QAug 5, 2026

12 NOTE 12 CONTINGENCIES Le g al matters We are involved from time to time in claims and legal proceedings that result from, and are incidental to, the conduct of our business including business and commercial litigation, and employee and product liability claims.

SEC original ↗Innospec Inc. — 10-Q Quarterly report10-QAug 5, 2026