PAY VERSUS PERFORMANCE

As required by Item 402(v) of Regulation S-K, we are providing the following information about the relationship between compensation actually paid (CAP), as defined in Item 402(v), and performance.


Year (a)	Summary Compensation Table Total for Principal Executive Officer (PEO) (b)¹	Compensation Actually Paid to PEO^2,3 (c)	Average Summary Compensation Table Total for Non-PEO Named Executive Officers¹ (d)	Average Compensation Actually Paid to Non-PEO NEOs^2,3 (e)	Value of Initial Fixed $100 Investment Based On:		Net Income (millions)⁵ (h)	Corporate Operating Income⁶ (millions) (i)
Year (a)		Compensation Actually Paid to PEO^2,3 (c)		Average Compensation Actually Paid to Non-PEO NEOs^2,3 (e)	Total Shareholder Return (f)	Peer Group Total Shareholder Return⁴ (g)	Net Income (millions)⁵ (h)	Corporate Operating Income⁶ (millions) (i)
2025	$8,253,108	$5,503,148	$1,425,451	$1,109,140	$91	$109	$116.6	$151.8
2024	$13,216,384	$11,169,734	$2,282,244	$2,148,332	$128	$108	$35.6	$209.4
2023	$7,299,862	$10,144,030	$1,253,550	$1,604,203	$141	$110	$139.1	$182.1
2022	$7,888,489	$11,227,698	$1,375,137	$1,771,361	$116	$96	$133.0	$213.3
2021	$9,897,900	$6,603,590	$1,668,578	$1,305,876	$101	$128	$93.1	$131.2

(1)The PEO listed for 2021, 2022, 2023, 2024, and 2025 is Patrick S. Williams. The Non-PEO remaining NEOs for 2025 are Ian P. Cleminson, Ian M. McRobbie, Corbin Barnes, and David B. Jones. The Non-PEO remaining NEOs for 2023 and 2024 are Ian P. Cleminson, Philip J. Boon, Corbin Barnes, and David B. Jones. The Non-PEO remaining NEOs for 2021 and 2022 are Ian P. Cleminson, Philip J. Boon, Ian M. McRobbie, and David B. Jones.

(2)The following adjustments relating to equity awards were made to total compensation for 2025 to determine CAP:


Year	Value of Equity Awards Disclosed in the Summary Compensation Table	Year End Value of Equity Awards Granted During the Covered Year	Change in Fair Value from Prior Year End Fair Value of Outstanding and Unvested Equity Awards	Change in Fair Value from Prior Year End Fair Value of Awards Granted in Prior Years Vesting During the Covered Year	Total Equity Award Adjustments
2025 PEO	($5,285,623)	$4,394,222	($1,734,947)	($123,611)	($2,749,960)
2025 Average Non-PEO NEOs	($703,628)	$606,870	($195,422)	($24,132)	($316,312)

(a) The valuation methodologies used to calculate fair values for each measurement date do not materially differ from those used at the time of grant of each respective award.

(3)For 2025, no adjustments were made relating to defined benefit and pension plans to determine CAP.

(4)Represents the cumulative TSR for the S&P Composite 1500 Specialty Chemicals Index, as disclosed by Innospec for the purposes of Item 201(e) of Regulation S-K.

(5)The dollar amounts reported represent the amount of net income reflected in the Company’s audited financial statements for the applicable year (GAAP Net Income).

(6)Corporate Operating Income is the financial performance measure used by the Company in the most recently completed fiscal year to link CAP to the Company’s performance. Corporate Operating Income is calculated from GAAP Operating Income adjusted to exclude certain one-time/nonrecurring costs that are not reflective of the Company’s underlying operations, as further described in the Compensation Discussion and Analysis.

Named Executive Officers, Footnote [Text Block]

(1)The PEO listed for 2021, 2022, 2023, 2024, and 2025 is Patrick S. Williams. The Non-PEO remaining NEOs for 2025 are Ian P. Cleminson, Ian M. McRobbie, Corbin Barnes, and David B. Jones. The Non-PEO remaining NEOs for 2023 and 2024 are Ian P. Cleminson, Philip J. Boon, Corbin Barnes, and David B. Jones. The Non-PEO remaining NEOs for 2021 and 2022 are Ian P. Cleminson, Philip J. Boon, Ian M. McRobbie, and David B. Jones.

PEO Actually Paid Compensation Amount

^[2],[3]

$ 5,503,148

11,169,734

10,144,030

11,227,698

6,603,590

Non-PEO NEO Average Total Compensation Amount

^[1]

$ 1,425,451

2,282,244

1,253,550

1,375,137

1,668,578

Adjustment to Non-PEO NEO Compensation Footnote


Year	Value of Equity Awards Disclosed in the Summary Compensation Table	Year End Value of Equity Awards Granted During the Covered Year	Change in Fair Value from Prior Year End Fair Value of Outstanding and Unvested Equity Awards	Change in Fair Value from Prior Year End Fair Value of Awards Granted in Prior Years Vesting During the Covered Year	Total Equity Award Adjustments
2025 PEO	($5,285,623)	$4,394,222	($1,734,947)	($123,611)	($2,749,960)
2025 Average Non-PEO NEOs	($703,628)	$606,870	($195,422)	($24,132)	($316,312)

(a) The valuation methodologies used to calculate fair values for each measurement date do not materially differ from those used at the time of grant of each respective award.