LUXFER HOLDINGS PLC

(a)(1) Financial Statements

The Financial Statements listed in the Index to Financial Statements in Item 8 are filed as part of this Annual Report on Form 10-K.

(a)(2) Financial Statement Schedules

Financial statement schedules are omitted because they are either not required or because the required information is included in the Consolidated Financial Statements and related notes.

(a)(3) Exhibits

3.1 Articles of Association of the Registrant, initially filed with the SEC on December 2, 2011 and as amended on May 22, 2018 and as amended on May 15, 2019

4.1 Form of specimen certificate evidencing ordinary shares (incorporated by reference to Exhibit 4.1 to our Registration Statement on Form F-1 (file no. 333-178278), as amended, initially filed with the SEC on December 2, 2011)

10.1 Amended and Restated Note Purchase Agreement dated as of June 29, 2016 by and among BA Holdings, Inc. and the parties named therein (incorporated by reference to Exhibit 2.3 to our Annual Report on Form 20-F (file no. 001-35370), initially filed with the SEC on March 19, 2018)

10.2 Senior Facilities Agreement dated as of May 13, 2011, as amended and restated on July 31, 2017 by and among Luxfer Holdings PLC and the parties named therein (incorporated by reference to Exhibit 2.4 to our Annual Report on Form 20-F (file no. 001-35370), initially filed with the SEC on March 19, 2018)

10.3 First Amendment to Amended and Restated Note Purchase Agreement dated as of March 13, 2017 by and among Luxfer Holdings PLC and the parties named therein (incorporated by reference to Exhibit 2.5 to our Annual Report on Form 20-F (file no. 001-35370), initially filed with the SEC on March 19, 2018)

10.4 Amended and Restated Note Purchase and Private Shelf Agreement dated as of June 29, 2016 by and among Luxfer Holdings PLC and the parties named therein (incorporated by reference to Exhibit 2.6 to our Annual Report on Form 20-F (file no. 001-35370), initially filed with the SEC on March 19, 2018)

10.5 First Amendment to Amended and Restated Note Purchase Agreement and Private Shelf Agreement dated as of March 13, 2017 by and among Luxfer Holdings PLC and the parties named therein (incorporated by reference to Exhibit 2.7 to our Annual Report on Form 20-F (file no. 001-35370), initially filed with the SEC on March 19, 2018)

10.6 Second Amendment to Amended and Restated Note Purchase Agreement and Private Shelf Agreement dated as of October 26, 2021 by and among Luxfer Holdings PLC and the parties named therein, initially filed with the SEC on February 24, 2022

10.7 Senior Facilities Agreement dated as of October 26, 2021 by and among Luxfer Holdings PLC and the parties named therein, initially filed with the SEC on February 24, 2022

10.8*Executive Share Option Plan (incorporated by reference to Exhibit 10.3 to our Registration Statement on Form F-1 (file no. 333-178278), as amended, initially filed with the SEC on December 2, 2011)

10.9*Long-Term Umbrella Incentive Plan (incorporated by reference to Exhibit 4.2 to our Annual Report on Form 20-F (file no. 001-35370), initially filed with the SEC on March 19, 2018)

10.10*Amended and Restated Non-Executive Director Equity Incentive Plan (incorporated by reference to Exhibit 4.7 to our Annual Report on Form 20-F (file no. 001-35370), filed with the SEC on March 29, 2013)

10.11*The Luxfer Share Incentive Plan, initially filed with the SEC on March 11, 2019, amended May 15, 2019

10.12*The Luxfer Employee Stock Purchase Plan, filed with the SEC on March 11, 2019

10.13*Form of Executive Officer IPO Stock Option Grant Agreement (incorporated by reference to Exhibit 10.6 to our Registration Statement on Form F-1 (file no. 333-178278), as amended, initially filed with the SEC on December 2, 2011)

10.14*Form of Non-Executive Director IPO Stock Option Grant Agreement (incorporated by reference to Exhibit 10.7 to our Registration Statement on Form F-1 (file no. 333-178278), as amended, initially filed with the SEC on December 2, 2011)

10.15*Employment Agreements, filed with the SEC on March 11, 2019

10.16*Employment Agreements, filed with the SEC on March 11, 2019,

10.17*Employment Agreements, filed with the SEC on May 6, 2022

10.18*Employment Agreements, filed with the SEC on May 6, 2022

10.19*Employment Agreements, filed with the SEC on May 6, 2022

10.20*Employment Agreements, filed with the SEC on March 11, 2019

10.21*Employment Agreements, filed with the SEC on March 1, 2023

10.22*Employment Agreements, filed with the SEC on October 25, 2023

10.23 Insider Tradingand Dealing Policy

10.24 Executive Compensation Clawback Policy

21.1 List of Subsidiaries of the Company

23.1 Consent of PricewaterhouseCoopers LLP

31.1 Certification Required by Rule 13a-14(a) or 15d-14(a) under the Securities Exchange Act of 1934-Andrew Butcher

31.2 Certification Required by Rule 13a-14(a) or 15d-14(a) under the Securities Exchange Act of 1934-Stephen Webster

32.1 Certification Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 (Subsections (a) and (b) of Section 1350, Chapter 63 of Title 18, United States Code)-Andrew Butcher

32.2 Certification Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 (Subsections (a) and (b) of Section 1350, Chapter 63 of Title 18, United States Code)-Stephen Webster

101 The financial statements from the Company’s Annual Report on Form 10-K for the year ended December 31, 2023, formatted in XBRL: (i) Consolidated Statements of Income, (ii) Consolidated Statements of Comprehensive Income, (iii) Consolidated Balance Sheets, (iv) Consolidated Statements of Cash Flows, (v) Consolidated Statements of Changes in Equity, and (vi) Notes to Consolidated Financial Statements, tagged as blocks of text and including detailed tags.

• Management contract or compensatory plan or arrangement