Specialized Disclosure Report (Form SD)

CONFLICT MINERALS REPORT OF

IDEX CORPORATION

FOR THE REPORTING PERIOD FROM

JANUARY 1 TO DECEMBER 31, 2025

I.Introduction

This is the Conflict Minerals Report of IDEX Corporation ("we," "our," "IDEX," "IDEX Corporation," or the "Company") prepared for calendar year 2025 in accordance with Rule 13p-1 ("Rule 13p-1") under the Securities Exchange Act of 1934 (the "Act"). Numerous terms in this Report are defined in Rule 13p-1 of the Act and Form SD and the reader is referred to those sources, and also to Release No. 34-67716 (August 22, 2012) of the Act (the "Adopting Release") for such definitions.

Conflict minerals are necessary to the functionality or production of certain products that we manufacture or contract to be manufactured. In accordance with Rule 13p-1, we undertook efforts to determine the content and source of the conflict minerals within those products. The Company designed its efforts in conformity with the internationally recognized due diligence framework put forth in the Organisation for Economic Co-operation and Development ("OECD") Due Diligence Guidance for Responsible Supply Chains of Minerals from Conflict-Affected and High-Risk Areas ("OECD Due Diligence Guidance") and related Supplements.

The statements below are based on the activities performed to date and in good faith by IDEX Corporation and are based on the infrastructure and information available at the time of this filing. Factors that could affect the accuracy of these statements include, but are not limited to, incomplete supplier data or available smelter data, errors or omissions by suppliers or smelters, evolving identification of smelters, incomplete information from industry or other third-party sources, continuing guidance regarding the U.S. Securities and Exchange Commission ("SEC") final rules, and other issues.

II.Overview

Company Profile

IDEX Corporation ("IDEX" or the "Company") is a global applied solutions provider serving niche markets with mission critical components for everyday life. Substantially all of the Company's business activities are carried out through over 50 wholly-owned subsidiaries with shared values of Trust, Team and Excellence. IDEX's diverse family of businesses is committed to making trusted solutions that improve lives and is innovative and inquisitive in its quest to solve customers' most challenging applied technology problems. These businesses operate with a high degree of autonomy, yet are all united by employing The IDEX Difference, a philosophy of great teams who embrace the 8020 principle while remaining hyper-focused on serving customers. IDEX was incorporated in Delaware on September 24, 1987.

The Company has three reportable segments: Health & Science Technologies ("HST"), Fluid & Metering Technologies ("FMT") and Fire & Safety/Diversified Products ("FSDP"). The segments are structured around how to best serve customer needs, with each segment consisting of businesses that have product and end market similarities as well as common distribution methods and production processes. This structure enables management efficiency, aligns IDEX's operations with its focus on organic growth, strategic acquisitions and capital allocation priorities and provides transparency about the Company's performance to external stakeholders.

The HST segment designs, produces and distributes a wide range of precision fluidics, positive displacement pumps, powder and liquid processing technologies, drying systems, micro-precision components, pneumatic components and sealing solutions, high performance molded and extruded sealing components, custom mechanical and shaft seals, engineered hygienic mixers and valves, biocompatible medical devices and implantables, air compressors and blowers, optical components and coatings, ultra-precision diamond tools, laboratory and commercial equipment and precision photonic solutions, technical ceramics and hermetic sealing products and porous material structures and flow control solutions.

The FMT segment designs, produces and distributes positive displacement pumps, valves, small volume provers, flow meters, injectors and other fluid-handling pump modules and systems and provides flow monitoring and other services.

The FSDP segment designs, produces and distributes firefighting pumps, valves and controls, rescue tools, lifting bags and other components and systems, engineered stainless steel banding and clamping devices, and precision equipment for dispensing, metering and mixing colorants and paints.

We are subject to this rule as we have determined that, during 2025, conflict minerals were likely necessary to the functionality or production of products we manufactured or contracted to manufacture (which we may refer to herein as "necessary conflict minerals"). The Company, as a purchaser of component parts, is many steps removed from the mining of conflict minerals. We do not purchase raw ore or unrefined conflict minerals, and we conduct no purchasing activities directly in the Democratic Republic of Congo ("DRC") or adjoining countries.

Conflict Minerals Policy

The Company developed a policy statement to support the goals expressed by Congress in enacting Section 1502 of the Dodd-Frank Wall Street Reform and Consumer Protection Act. The policy highlights the Company's commitment to complying with the reporting and due diligence obligations required by the SEC rule and the Company's expectations from its suppliers, which include: establishing a supplier Conflict Minerals policy; exercising due diligence consistent with the OECD Due Diligence Guidance; providing the results of their due diligence efforts to IDEX; and, upon request, permitting auditing of their Conflict Minerals policies and due diligence measures. The policy resides on our corporate website (https://www.idexcorp.com/about-idex/compliance-integrity/) and is included in our supplier code of conduct and terms and conditions.

Reasonable Country of Origin Inquiry Information

We have conducted a good faith reasonable country of origin inquiry ("RCOI") to determine whether the necessary conflict minerals originated in the DRC or an adjoining country or came from recycled or scrap sources.

IDEX Corporation's RCOI process included conducting an inquiry of our direct suppliers of in-scope products using the Responsible Minerals Initiative's ("RMI") Conflict Minerals Reporting Template ("CMRT"). Based on the results of our RCOI, we exercised due diligence on the source and chain of custody of the conflict minerals in accordance with the OECD Due Diligence Guidance. Our due diligence efforts are discussed further in this Conflict Minerals Report.

Due Diligence Program Design

The Company designed its conflict minerals program to conform, in all material respects, with the five-step framework of the OECD Due Diligence Guidance, the Supplement on Tin, Tantalum, and Tungsten, and the Supplement on Gold, specifically as they relate to our position in the minerals supply chain as a "downstream" company:

Step 1: Establish strong company management systems

Step 2: Identify and assess risks in the supply chain

Step 3: Design and implement a strategy to respond to identified risks

Step 4: Carry out independent third-party audit of smelter/refiner's due diligence practices

Step 5: Report annually on supply chain due diligence

III.Due Diligence Measures Performed by IDEX Corporation

The following describes the measures taken to reasonably determine the country of origin of the necessary conflict minerals and to exercise due diligence in the mineral supply chain in conformance with the OECD Due Diligence Guidance.

Step 1: Establish strong company management systems

a.Conflict minerals team - IDEX Corporation established a conflict minerals team that includes individuals from the appropriate business units and departments, including: Finance, Supply Chain, and Legal and Compliance. The team was structured to include the involvement from those in upper management roles to help ensure critical information, including the Company's conflict minerals policy, reach relevant employees and suppliers. We also engaged a third party consulting firm to assist us with our compliance efforts.

b.Conflict minerals policy - IDEX Corporation adopted and published a policy highlighting the Company's commitment to complying with the reporting and due diligence obligations required by the SEC rule and the Company's expectations from its suppliers. The policy resides on our corporate website (https://www.idexcorp.com/about-idex/compliance-integrity/).

The policy is also incorporated into the Company's terms and conditions with suppliers. It is reviewed annually and will be updated, if necessary.

c.Internal engagement - We developed a training program for internal use to educate relevant employees on our conflict minerals program and reporting obligations.

d.Supplier engagement - IDEX Corporation provided a supplier letter, which included educational materials to our in-scope suppliers. Suppliers were provided information on the conflict minerals disclosure requirements and were directed to the RMI training programs for additional information.

e.Company level grievance mechanism - As recommended by the OECD Due Diligence Guidance, IDEX Corporation has established a grievance mechanism as a risk-awareness system for conflict minerals issues. Both internal and external stakeholders can communicate directly and confidentially with our compliance officer or through our Conflict Minerals email inbox.

f.Records management - IDEX Corporation will maintain records relating to our conflict minerals program in accordance with the recommended record retention guidelines of five years.

Step 2: Identify and assess risks in the supply chain

We performed the following steps as part of our risk assessment process:

a.Identified products in scope - Our conflict minerals team conducted a detailed review of the products manufactured or contracted to be manufactured during the Reporting Period as well as prior year's conflict mineral information to identify products that should be deemed in-scope as described by the Adopting Release.

b.Conducted RCOI - IDEX Corporation utilized the most recent version of the industry-developed CMRT to query our in-scope suppliers for conflict minerals information. We requested this information from the suppliers that provide material and components for the products deemed in-scope by our conflict minerals team. We evaluated the responses from the templates submitted by our suppliers to determine our reporting obligation based on this RCOI. See Appendix I for a list of countries of origin identified through the RCOI process.

c.Completed additional follow-up - IDEX Corporation contacted direct suppliers multiple times to request detailed conflict minerals information. We also worked to clarify and validate the information provided by our suppliers by responding with standardized feedback questions to address any issues or uncertainty with the template provided when necessary and/or obtaining additional information upon request (product identification, order numbers, or shipping addresses) to help ensure that we are receiving conflict minerals information specific to our supply-chain.

d.Identified smelters or refiners ("SORs") - IDEX Corporation compiled a list of SORs in our supply chain using our suppliers' responses in their CMRTs. The Company reconciled this list to the list of smelter facilities designated by the RMI's Responsible Minerals Assurance Process ("RMAP"). The RMAP completes independent, third-party audits of smelters and refiners to determine which can be validated as having systems in place that help ensure the minerals are responsibly sourced according to the OECD Due Diligence Guidance. The Company also utilized information provided by the London Bullion Market Association (LBMA), and Responsible Jewelry Council (RJC) cross-recognition audit programs. The Company maintains a database of smelter aliases to reconcile suppliers' smelters lists to the list of RMI SORs. We have provided the list of SORs in our supply chain in this report within Section IV - Product Description; Processing Facilities.

e.Performed smelter due diligence with suppliers - suppliers that reported smelters deemed to be high risk received additional communication asking to confirm if those smelters were used in products purchased by IDEX and to continue due diligence on their supply chains. High risk smelters are those that have not yet undergone a third-party audit or have been deemed non-conformant.

Step 3: Design and implement a strategy to respond to identified risks

We performed the following steps as part of our risk management plan:

a.Reporting results to senior management - The Conflict Minerals team reports the results of our RCOI to upper management at multiple points in time throughout the data collection period. These communications included the team's plan to respond to risks identified in the due diligence processes.

b.Designed and implemented a plan - The Company used established risk rating criteria to evaluate suppliers based on the responses provided within their CMRT, as well as any additional documentation furnished to support those responses, and the suppliers' due diligence processes. The resulting risk ratings were used to develop specific supplier outreach and training to address the identified risks and to take corrective actions with suppliers found not in compliance with the Company's conflict minerals policy. These actions will include additional outreach to suppliers who failed to respond to our multiple requests for information, provided inconsistent or erroneous information, or indicated they had received responses from less than 50% of their in-scope suppliers. Our team further reviews the responses to verify the validity of

SORs reported by our suppliers, the audit status of such SORs and the country of origin of the minerals processed at such facilities.

c.Provided educational materials - The Company provided each supplier with educational materials that explain Section 1502 of the Dodd-Frank Act, the OECD framework, the RCOI process, and general information on the contents of the most recent revision of the CMRT (including definitions of common phrases and frequently asked questions). These materials are provided to suppliers at the time of the initial request for a completed CMRT. The educational material serves as a point of reference for suppliers that are unfamiliar with the rule and helps limit the risk of obtaining inaccurate information from them. Throughout the process we offer assistance to our suppliers to improve the quality of the information provided to us.

d.Provided conflict minerals policy to suppliers - After working with a supplier to obtain a CMRT, we provide them with a copy of our conflict minerals policy for their records to help ensure that our suppliers continue to operate in line with our expectations.

e.Identified SORs - As part of the risk mitigation process, the Company reconciled the list of SORs collected from suppliers to the list of smelter facilities validated by the RMI. The Company maintains a database of smelter aliases to reconcile suppliers' smelters lists to the list of RMI SORs.

f.Ongoing risk monitoring - Suppliers, smelters and refiners that have been identified as high-risk through our risk assessment process are tracked to assess their progress towards meeting our expectations.

Step 4: Carry out independent third-party audit of smelter/refiner's due diligence practices

IDEX Corporation is using information provided by independent third party audit programs, including the RMI, RMAP, LBMA, and RJC, to confirm the existence and verify the OECD-conformance status of SORs identified during our due diligence.

For SORs that had not been audited as conformant, the Company sent a communication to encourage participation in the RMAP and requested the SOR to provide the mines and/or locations the SOR sources from to assist in identifying all countries of origin. Additionally, the Company sent communications to all suppliers that reported SORs that had not been audited as conformant to request that these suppliers contact the SORs to encourage participation in the RMAP.

Step 5: Report annually on supply chain due diligence

Accordingly, this Conflict Minerals Report has been filed with the SEC and is available on our website at https://www.idexcorp.com/about-idex/compliance-integrity/.

IV.Product Description and Processing Facilities

Product Description - The Company has three reportable business segments: Health & Science Technologies, Fluid & Metering Technologies and Fire & Safety/Diversified Products. Descriptions of these segments can be found within Section II -Overview.

Processing Facilities - Based on our due diligence process and the information received from our suppliers, the following facilities were identified by the Company's suppliers as the smelters and refiners of the tin, tantalum, tungsten and/or gold present in and necessary to the functionality of products manufactured by, or contracted to be manufactured by, the Company in the calendar year ended December 31, 2025. The information from our suppliers is still evolving and may contain company level declarations. As such, this smelter list is presented in good faith as the best information we have to date. For 2025, we identified 246 SORs in our supply chain, of which 203 have been audited by the RMI as conformant with the RMAP or equivalent third-party audit program. This list may contain SORs that do not provide materials for our products and are thus not in our supply chain, and there may be other smelters not yet identified in our due diligence process. We will continue to update the list as our information and the relevant third-party data from RMI, RMAP, LBMA, and RJC improves.

V. Conclusion

Conflict minerals are included in many of our products and are sourced from multiple suppliers. A portion of our suppliers submitted CMRT responses encompassing their entire supply chains, rather than focusing only on components incorporated into our products. We are unable to trace, without unreasonable effort, which of our products included necessary conflict minerals from the SORs included in our smelter list during the calendar year ended December 31, 2025. As a result, based on our RCOI, we are unable to reliably determine whether any of the necessary conflict minerals in our products originated in the DRC and adjoining countries or whether such necessary conflict minerals were entirely from recycled or scrap sources.

Smelter Names

Metal			Standard Smelter Name			Country Location			Smelter ID
Gold			Abington Reldan Metals, LLC			UNITED STATES OF AMERICA			CID002708
Gold			Advanced Chemical Company			UNITED STATES OF AMERICA			CID000015
Gold			Agosi AG			GERMANY			CID000035
Gold			Gold Corporation - The Perth Mint			AUSTRALIA			CID002030
Gold			Aida Chemical Industries Co., Ltd.			JAPAN			CID000019
Gold			Dowa			JAPAN			CID000401
Gold			Albino Mountinho Lda.			PORTUGAL			CID002760
Gold			Alexy Metals			UNITED STATES OF AMERICA			CID003500
Gold			Almalyk Mining and Metallurgical Complex (AMMC)			UZBEKISTAN			CID000041
Gold			ASAHI METALFINE, Inc.			JAPAN			CID000082
Gold			AngloGold Ashanti Corrego do Sitio Mineracao			BRAZIL			CID000058
Gold			Argor-Heraeus S.A.			SWITZERLAND			CID000077
Gold			Asahi Refining Canada Ltd.			CANADA			CID000924
Gold			Asahi Refining USA Inc.			UNITED STATES OF AMERICA			CID000920
Gold			Asaka Riken Co., Ltd.			JAPAN			CID000090
Gold			Gold by Gold Colombia			COLOMBIA			CID003641
Gold			Augmont Enterprises Private Limited			INDIA			CID003461
Gold			Aurubis AG, Hamburg			GERMANY			CID000113
Gold			Bangalore Refinery			INDIA			CID002863
Gold			Bangko Sentral ng Pilipinas (Central Bank of the Philippines)			PHILIPPINES			CID000128
Gold			Boliden Mineral AB (Ronnskar)			SWEDEN			CID000157
Gold			C. Hafner GmbH + Co. KG			GERMANY			CID000176
Gold			Caridad			MEXICO			CID000180
Gold			Glencore Canada Corporation - CCR Refinery			CANADA			CID000185
Gold			Chimet S.p.A.			ITALY			CID000233
Gold			Zhongyuan Gold Smelter of Zhongjin Gold Corporation			CHINA			CID002224
Gold			Shandong Gold Smelting Co., Ltd.			CHINA			CID001916
Gold			Chugai Mining			JAPAN			CID000264
Gold			Coimpa Industrial LTDA			BRAZIL			CID004010
Gold			Degussa Sonne / Mond Goldhandel GmbH			GERMANY			CID002867

Gold			DSC (Do Sung Corporation)			KOREA, REPUBLIC OF			CID000359
Gold			Eco-System Recycling Co., Ltd. East Plant			JAPAN			CID000425
Gold			Eco-System Recycling Co., Ltd. North Plant			JAPAN			CID003424
Gold			Eco-System Recycling Co., Ltd. West Plant			JAPAN			CID003425
Gold			Elite Industech Co., Ltd.			TAIWAN, PROVINCE OF CHINA			CID004755
Gold			Zijin Mining Group Gold Smelting Co. Ltd.			CHINA			CID002243
Gold			Gasabo Gold Refinery Ltd			RWANDA			CID005006
Gold			GG Refinery Ltd.			TANZANIA, UNITED REPUBLIC OF			CID004506
Gold			LT Metal Ltd.			KOREA, REPUBLIC OF			CID000689
Gold			Heimerle + Meule GmbH			GERMANY			CID000694
Gold			Heraeus Germany GmbH Co. KG			GERMANY			CID000711
Gold			Heraeus Metals Hong Kong Ltd.			HONG KONG			CID000707
Gold			Impala Platinum - Platinum Metals Refinery (PMR)			SOUTH AFRICA			CID004714
Gold			Inner Mongolia Qiankun Gold and Silver Refinery Share Co., Ltd.			CHINA			CID000801
Gold			Ishifuku Metal Industry Co., Ltd.			JAPAN			CID000807
Gold			Istanbul Gold Refinery			TURKEY			CID000814
Gold			Italpreziosi			ITALY			CID002765
Gold			Japan Mint			JAPAN			CID000823
Gold			Jiangxi Copper Co., Ltd.			CHINA			CID000855
Gold			JX Advanced Metals Corporation			JAPAN			CID000937
Gold			Kazzinc Ltd			KAZAKHSTAN			CID000957
Gold			Kennecott Utah Copper LLC			UNITED STATES OF AMERICA			CID000969
Gold			KGHM Polska Miedz Spolka Akcyjna			POLAND			CID002511
Gold			Yamakin Co., Ltd.			JAPAN			CID002100
Gold			Kojima Chemicals Co., Ltd.			JAPAN			CID000981
Gold			Korea Zinc Co., Ltd.			KOREA, REPUBLIC OF			CID002605
Gold			LS MnM Inc.			KOREA, REPUBLIC OF			CID001078
Gold			Materion			UNITED STATES OF AMERICA			CID001113
Gold			Matsuda Sangyo Co., Ltd.			JAPAN			CID001119
Gold			Sumitomo Metal Mining Co., Ltd.			JAPAN			CID001798
Gold			Metal Concentrators SA (Pty) Ltd.			SOUTH AFRICA			CID003575
Gold			Metalurgica Met-Mex Penoles S.A. De C.V.			MEXICO			CID001161
Gold			Umicore S.A. Business Unit Precious Metals Refining			BELGIUM			CID001980
Gold			Metalor Technologies S.A.			SWITZERLAND			CID001153
Gold			Metalor Technologies (Hong Kong) Ltd.			CHINA			CID001149
Gold			Metalor Technologies (Singapore) Pte., Ltd.			SINGAPORE			CID001152
Gold			Metalor Technologies (Suzhou) Ltd.			CHINA			CID001147
Gold			Metalor USA Refining Corporation			UNITED STATES OF AMERICA			CID001157
Gold			Minera Titan del Peru SRL (MTP) - Belen Plant			PERU			CID005014
Gold			Mitsubishi Materials Corporation			JAPAN			CID001188
Gold			Mitsui Mining and Smelting Co., Ltd.			JAPAN			CID001193
Gold			MKS PAMP SA			SWITZERLAND			CID001352
Gold			MMTC-PAMP India Pvt., Ltd.			INDIA			CID002509
Gold			Nadir Metal Rafineri San. Ve Tic. A.S.			TURKEY			CID001220
Gold			Navoi Mining and Metallurgical Combinat			UZBEKISTAN			CID001236
Gold			NH Recytech Company			KOREA, REPUBLIC OF			CID003189
Gold			Nihon Material Co., Ltd.			JAPAN			CID001259
Gold			NOBLE METAL SERVICES			UNITED STATES OF AMERICA			CID003690

Gold			Oegussa Oesterreichische Gold- und Silber-Scheideanstalt Gesm.b.H.			AUSTRIA			CID002779
Gold			Ohura Precious Metal Industry Co., Ltd.			JAPAN			CID001325
Gold			Planta Recuperadora de Metales SpA			CHILE			CID002919
Gold			PT Aneka Tambang (Persero) Tbk			INDONESIA			CID001397
Gold			PX Precinox S.A.			SWITZERLAND			CID001498
Gold			Rand Refinery (Pty) Ltd.			SOUTH AFRICA			CID001512
Gold			REMONDIS PMR B.V.			NETHERLANDS			CID002582
Gold			Royal Canadian Mint			CANADA			CID001534
Gold			SAFINA A.S.			CZECHIA			CID002290
Gold			SEMPSA Joyeria Plateria S.A.			SPAIN			CID001585
Gold			Shandong Zhaojin Gold & Silver Refinery Co., Ltd.			CHINA			CID001622
Gold			Tanaka Kikinzoku Kogyo K.K.			JAPAN			CID001875
Gold			Sichuan Tianze Precious Metals Co., Ltd.			CHINA			CID001736
Gold			Solar Applied Materials Technology Corp.			TAIWAN, PROVINCE OF CHINA			CID001761
Gold			SungEel HiMetal Co., Ltd.			KOREA, REPUBLIC OF			CID002918
Gold			T.C.A S.p.A			ITALY			CID002580
Gold			TITAN COMPANY LIMITED, JEWELLERY DIVISION			INDIA			CID004491
Gold			Tokuriki Honten Co., Ltd.			JAPAN			CID001938
Gold			TOO Tau-Ken-Altyn			KAZAKHSTAN			CID002615
Gold			United Precious Metal Refining, Inc.			UNITED STATES OF AMERICA			CID001993
Gold			Valcambi S.A.			SWITZERLAND			CID002003
Gold			WIELAND Edelmetalle GmbH			GERMANY			CID002778
Gold			Yokohama Metal Co., Ltd.			JAPAN			CID002129
Tantalum			5D Production OU			ESTONIA			CID003926
Tantalum			AMG Brasil			BRAZIL			CID001076
Tantalum			Guangdong Rising Rare Metals-EO Materials Ltd.			CHINA			CID000291
Tantalum			D Block Metals, LLC			UNITED STATES OF AMERICA			CID002504
Tantalum			F&X Electro-Materials Ltd.			CHINA			CID000460
Tantalum			FIR Metals & Resource Ltd.			CHINA			CID002505
Tantalum			Global Advanced Metals Aizu			JAPAN			CID002558
Tantalum			Global Advanced Metals Boyertown			UNITED STATES OF AMERICA			CID002557
Tantalum			XIMEI RESOURCES (GUANGDONG) LIMITED			CHINA			CID000616
Tantalum			TANIOBIS Co., Ltd.			THAILAND			CID002544
Tantalum			Materion Newton Inc.			UNITED STATES OF AMERICA			CID002548
Tantalum			TANIOBIS Japan Co., Ltd.			JAPAN			CID002549
Tantalum			TANIOBIS Smelting GmbH & Co. KG			GERMANY			CID002550
Tantalum			TANIOBIS GmbH			GERMANY			CID002545
Tantalum			Hengyang King Xing Lifeng New Materials Co., Ltd.			CHINA			CID002492
Tantalum			Jiangxi Dinghai Tantalum & Niobium Co., Ltd.			CHINA			CID002512
Tantalum			Jiangxi Suns Nonferrous Materials Co. Ltd.			CHINA			CID004813
Tantalum			Jiangxi Tuohong New Raw Material			CHINA			CID002842
Tantalum			JiuJiang JinXin Nonferrous Metals Co., Ltd.			CHINA			CID000914
Tantalum			Jiujiang Tanbre Co., Ltd.			CHINA			CID000917
Tantalum			Jiujiang Zhongao Tantalum & Niobium Co., Ltd.			CHINA			CID002506
Tantalum			KEMET de Mexico			MEXICO			CID002539
Tantalum			Metallurgical Products India Pvt., Ltd.			INDIA			CID001163

Tantalum			Mineracao Taboca S.A.			BRAZIL			CID001175
Tantalum			Mitsui Kinzoku Company, Limited			JAPAN			CID001192
Tantalum			NPM Silmet OU			ESTONIA			CID001200
Tantalum			Ningxia Orient Tantalum Industry Co., Ltd.			CHINA			CID001277
Tantalum			PowerX Ltd.			RWANDA			CID004054
Tantalum			Resind Industria e Comercio Ltda.			BRAZIL			CID002707
Tantalum			Yanling Jincheng Tantalum & Niobium Co., Ltd.			CHINA			CID001522
Tantalum			Taki Chemical Co., Ltd.			JAPAN			CID001869
Tantalum			Telex Metals			UNITED STATES OF AMERICA			CID001891
Tantalum			Ulba Metallurgical Plant JSC			KAZAKHSTAN			CID001969
Tantalum			XinXing HaoRong Electronic Material Co., Ltd.			CHINA			CID002508
Tin			Alpha Assembly Solutions Inc			UNITED STATES OF AMERICA			CID000292
Tin			An Vinh Joint Stock Mineral Processing Company			VIET NAM			CID002703
Tin			Aurubis Beerse			BELGIUM			CID002773
Tin			Aurubis Berango			SPAIN			CID002774
Tin			Yunnan Chengfeng Non-ferrous Metals Co., Ltd.			CHINA			CID002158
Tin			Chenzhou Yunxiang Mining and Metallurgy Co., Ltd.			CHINA			CID000228
Tin			China Tin Group Co., Ltd.			CHINA			CID001070
Tin			Tin Smelting Branch of Yunnan Tin Co., Ltd.			CHINA			CID002180
Tin			CRM Fundicao De Metais E Comercio De Equipamentos Eletronicos Do Brasil Ltda			BRAZIL			CID003486
Tin			CRM Synergies EMEA, S.L.U.			SPAIN			CID003524
Tin			CV Ayi Jaya			INDONESIA			CID002570
Tin			PT Aries Kencana Sejahtera			INDONESIA			CID000309
Tin			PT Premium Tin Indonesia			INDONESIA			CID000313
Tin			PT Rajehan Ariq			INDONESIA			CID002593
Tin			Dongguan Best Alloys Co., Ltd.			CHINA			CID000377
Tin			Dongguan CiEXPO Environmental Engineering Co., Ltd.			CHINA			CID003356
Tin			Dowa			JAPAN			CID000402
Tin			Electro-Mechanical Facility of the Cao Bang Minerals & Metallurgy Joint Stock Company			VIET NAM			CID002572
Tin			Empresa Metallurgica Vinto			BOLIVIA (PLURINATIONAL STATE OF)			CID000438
Tin			Estanho de Rondonia S.A.			BRAZIL			CID000448
Tin			Fabrica Auricchio Industria e Comercio Ltda.			BRAZIL			CID003582
Tin			Fenix Metals			POLAND			CID000468
Tin			Minsur			PERU			CID001182
Tin			Gejiu City Fuxiang Industry and Trade Co., Ltd.			CHINA			CID003410
Tin			Gejiu Kai Meng Industry and Trade LLC			CHINA			CID000942
Tin			Gejiu Non-Ferrous Metal Processing Co., Ltd.			CHINA			CID000538
Tin			Gejiu Yunxin Nonferrous Electrolysis Co., Ltd.			CHINA			CID001908
Tin			Gejiu Zili Mining And Metallurgy Co., Ltd.			CHINA			CID000555
Tin			Global Advanced Metals Greenbushes Pty Ltd.			AUSTRALIA			CID004754
Tin			Guangdong Hanhe Non-ferrous Metal Limited Company			CHINA			CID003116
Tin			Mitsubishi Materials Corporation			JAPAN			CID001191
Tin			PT Timah Tbk Mentok			INDONESIA			CID001482
Tin			Jiangxi New Nanshan Technology Ltd.			CHINA			CID001231
Tin			PT Timah Tbk Kundur			INDONESIA			CID001477

Tin			Longnan Chuangyue Environmental Protection Technology Development Co., Ltd			CHINA			CID004796
Tin			Luna Smelter, Ltd.			RWANDA			CID003387
Tin			Ma'anshan Weitai Tin Co., Ltd.			CHINA			CID003379
Tin			Magnu's Minerais Metais e Ligas Ltda.			BRAZIL			CID002468
Tin			Malaysia Smelting Corporation Berhad (Port Klang)			MALAYSIA			CID004434
Tin			Melt Metais e Ligas S.A.			BRAZIL			CID002500
Tin			Metallic Resources, Inc.			UNITED STATES OF AMERICA			CID001142
Tin			Mineracao Taboca S.A.			BRAZIL			CID001173
Tin			Mining Minerals Resources SARL			CONGO, DEMOCRATIC REPUBLIC OF THE			CID004065
Tin			Modeltech Sdn Bhd			MALAYSIA			CID002858
Tin			Nghe Tinh Non-Ferrous Metals Joint Stock Company			VIET NAM			CID002573
Tin			O.M. Manufacturing (Thailand) Co., Ltd.			THAILAND			CID001314
Tin			O.M. Manufacturing Philippines, Inc.			PHILIPPINES			CID002517
Tin			Operaciones Metalurgicas S.A.			BOLIVIA (PLURINATIONAL STATE OF)			CID001337
Tin			P Kay Metal, Inc			UNITED STATES OF AMERICA			CID005189
Tin			Precious Minerals and Smelting Limited			INDIA			CID003409
Tin			PT Artha Cipta Langgeng			INDONESIA			CID001399
Tin			PT ATD Makmur Mandiri Jaya			INDONESIA			CID002503
Tin			PT Bangka Prima Tin			INDONESIA			CID002776
Tin			PT Cipta Persada Mulia			INDONESIA			CID002696
Tin			PT Masbro Alam Stania			INDONESIA			CID003380
Tin			PT Mitra Stania Prima			INDONESIA			CID001453
Tin			PT Mitra Sukses Globalindo			INDONESIA			CID003449
Tin			PT Prima Timah Utama			INDONESIA			CID001458
Tin			PT Putera Sarana Shakti (PT PSS)			INDONESIA			CID003868
Tin			Resind Industria e Comercio Ltda.			BRAZIL			CID002706
Tin			RIKAYAA GREENTECH PRIVATE LIMITED			INDIA			CID004692
Tin			Rui Da Hung			TAIWAN, PROVINCE OF CHINA			CID001539
Tin			Super Ligas			BRAZIL			CID002756
Tin			Takehara PVD Materials Plant / PVD Materials Division of MITSUI MINING & SMELTING CO., LTD.			JAPAN			CID004403
Tin			Thaisarco			THAILAND			CID001898
Tin			Tin Technology & Refining			UNITED STATES OF AMERICA			CID003325
Tin			White Solder Metalurgia e Mineracao Ltda.			BRAZIL			CID002036
Tin			Woodcross Smelting Company Limited			UGANDA			CID004724
Tin			Yunnan Yunfan Non-ferrous Metals Co., Ltd.			CHINA			CID003397
Tungsten			Philippine Carreytech Metal Corp.			PHILIPPINES			CID004438
Tungsten			A.L.M.T. Corp.			JAPAN			CID000004
Tungsten			Albasteel Industria e Comercio de Ligas Para Fundicao Ltd.			BRAZIL			CID003427
Tungsten			Asia Tungsten Products Vietnam Ltd.			VIET NAM			CID002502
Tungsten			Kennametal Huntsville			UNITED STATES OF AMERICA			CID000105
Tungsten			Guangdong Xianglu Tungsten Co., Ltd.			CHINA			CID000218
Tungsten			Hunan Shizhuyuan Nonferrous Metals Co., Ltd. Chenzhou Tungsten Products Branch			CHINA			CID002513
Tungsten			China Molybdenum Tungsten Co., Ltd.			CHINA			CID002641

Tungsten			Chongyi Zhangyuan Tungsten Co., Ltd.			CHINA			CID000258
Tungsten			Cronimet Brasil Ltda			BRAZIL			CID003468
Tungsten			Fujian Xinlu Tungsten Co., Ltd.			CHINA			CID003609
Tungsten			Ganzhou Jiangwu Ferrotungsten Co., Ltd.			CHINA			CID002315
Tungsten			Ganzhou Seadragon W & Mo Co., Ltd.			CHINA			CID002494
Tungsten			Hubei Green Tungsten Co., Ltd.			CHINA			CID003417
Tungsten			Global Tungsten & Powders LLC			UNITED STATES OF AMERICA			CID000568
Tungsten			TANIOBIS Smelting GmbH & Co. KG			GERMANY			CID002542
Tungsten			H.C. Starck Tungsten GmbH			GERMANY			CID002541
Tungsten			Hunan Jintai New Material Co., Ltd.			CHINA			CID000769
Tungsten			Japan New Metals Co., Ltd.			JAPAN			CID000825
Tungsten			Jiangwu H.C. Starck Tungsten Products Co., Ltd.			CHINA			CID002551
Tungsten			Jiangxi Gan Bei Tungsten Co., Ltd.			CHINA			CID002321
Tungsten			Jiangxi Minmetals Gao'an Non-ferrous Metals Co., Ltd.			CHINA			CID002313
Tungsten			Jiangxi Xinsheng Tungsten Industry Co., Ltd.			CHINA			CID002317
Tungsten			Jiangxi Yaosheng Tungsten Co., Ltd.			CHINA			CID002316
Tungsten			Jing Yuan Tungsten Technology Co., Ltd.			TAIWAN, PROVINCE OF CHINA			CID005012
Tungsten			KENEE MINING VIETNAM COMPANY LIMITED			VIET NAM			CID004619
Tungsten			Kennametal Fallon			UNITED STATES OF AMERICA			CID000966
Tungsten			Lianyou Metals Co., Ltd.			TAIWAN, PROVINCE OF CHINA			CID003407
Tungsten			Lianyou Resources Co., Ltd.			TAIWAN, PROVINCE OF CHINA			CID004397
Tungsten			Malipo Haiyu Tungsten Co., Ltd.			CHINA			CID002319
Tungsten			Masan High-Tech Materials			VIET NAM			CID002543
Tungsten			Moliren Ltd.			RUSSIAN FEDERATION			CID002845
Tungsten			Nam Viet Cromit Joint Stock Company			VIET NAM			CID004034
Tungsten			Niagara Refining LLC			UNITED STATES OF AMERICA			CID002589
Tungsten			Shinwon Tungsten (Fujian Shanghang) Co., Ltd.			CHINA			CID004430
Tungsten			Tungsten Vietnam Joint Stock Company			VIET NAM			CID003993
Tungsten			Unecha Refractory metals plant			RUSSIAN FEDERATION			CID002724
Tungsten			Wolfram Bergbau und Hutten AG			AUSTRIA			CID002044
Tungsten			Xiamen Tungsten (H.C.) Co., Ltd.			CHINA			CID002320
Tungsten			Xiamen Tungsten Co., Ltd.			CHINA			CID002082
Tungsten			YUDU ANSHENG TUNGSTEN CO., LTD.			CHINA			CID003662

VI. Future Due Diligence

We will continue to communicate our expectations and information requirements to our direct suppliers. Over time, we anticipate that the amount of information globally available on the traceability and sourcing of these ores will increase and improve our knowledge. We will continue to make inquiries to our direct suppliers and undertake additional risk assessments when potentially relevant changes in facts or circumstances are identified. If we become aware of a supplier whose due diligence needs improvement, we may continue the trade relationship while that supplier improves its compliance program. We expect our suppliers to take similar measures with their suppliers to help ensure alignment throughout the supply chain.

In addition to those above, the Company will undertake the following steps during the next compliance period:

•Review the conflict minerals policy statement and update if necessary.

•Review supplier and employee training materials and update if necessary.

•Continue to collect responses from suppliers using the most recent revision of the CMRT.

•Engage with suppliers that did not provide a response in 2025 or provided incomplete responses to help with our data collections for 2026.

•Monitor and track performance of risk mitigation efforts including the performance of suppliers deemed high-risk.

•Compare and validate RCOI results to information collected via independent third-party audit programs, such as the RMI.

•Continue engagement with smelters by sending letters to those that have not been audited as conformant.

•Continue to send messages to our suppliers to engage with smelters that have not been audited and encourage these smelters to undergo an independent third-party audit (e.g., RMAP or equivalent).

•Collect from suppliers product-level or user-defined level responses when useful.

•Encourage responsible sourcing from the DRC and adjoining countries.

•Stay aware of new and related sourcing challenges that affect smelter RMI audit status.

APPENDIX I - Countries of Origin

The information provided in this Appendix is based on the information collected from IDEX Corporation's suppliers.

Australia			Myanmar
Benin			Namibia
Bolivia			Nicaragua
Brazil			Niger
Burundi			Nigeria
Canada			Papua New Guinea
Chile			Peru
China			Philippines
Colombia			Portugal
Congo, Democratic Republic of the			Rwanda
Ethiopia			Sierra Leone
France			South Africa
Germany			Spain
Guyana			Sweden
India			Tanzania
Indonesia			Thailand
Japan			Uganda
Laos			United Kingdom
Liberia			United States of America
Madagascar			Uzbekistan
Malaysia			Vietnam
Mongolia			Zambia
Mozambique			Zimbabwe