WTMAU / Welsbach Technology Metals Acquisition Corp. - Debt/Equity Composite Units - Depositi SEC, Relazione annuale, dichiarazione di delega

Welsbach Technology Metals Acquisition Corp. - Debt/Equity Composite Units
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CIK 1866226
SEC Filings
All companies that sell securities in the United States must register with the Securities and Exchange Commission (SEC) and file reports on a regular basis. These reports include company annual reports (10K, 10Q), news updates (8K), investor presentations (found in 8Ks), insider trades (form 4), ownership reports (13D, and 13G), and reports related to the specific securities sold, such as registration statements and prospectus. This page shows recent SEC filings related to Welsbach Technology Metals Acquisition Corp. - Debt/Equity Composite Units
SEC Filings (Chronological Order)
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May 26, 2026 EX-99.1

Evolution Metals & Technologies Corp. Regains Compliance with Nasdaq Listing Rule Following Previously Received Notice and Filing of Quarterly Report on Form 10-Q Regains Compliance with Nasdaq Listing Rule Following

Exhibit 99.1 FOR IMMEDIATE RELEASE Evolution Metals & Technologies Corp. Regains Compliance with Nasdaq Listing Rule Following Previously Received Notice and Filing of Quarterly Report on Form 10-Q Regains Compliance with Nasdaq Listing Rule Following Form 10-Q Filed May 22, 2026; Nasdaq Has Confirmed Compliance and Closed the Matter MIAMI, FL, May 26, 2026 (GLOBE NEWSWIRE) – Evolution Metals & Te

May 26, 2026 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): May 21, 2026 Evolution Metals & T

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): May 21, 2026 Evolution Metals & Technologies Corp. (Exact name of registrant as specified in its charter) Delaware 001-41183 87-1006702 (State or other jurisdiction of incorporation o

May 22, 2026 EX-99.1

Evolution Metals & Technologies Corp. Reports First Quarter 2026 Financial Results and Provides Corporate Update EM&T now positioned as the only U.S.-listed company outside China with proven, commercial-scale production of rare earth permanent magnet

Exhibit 99.1 Evolution Metals & Technologies Corp. Reports First Quarter 2026 Financial Results and Provides Corporate Update EM&T now positioned as the only U.S.-listed company outside China with proven, commercial-scale production of rare earth permanent magnets, including high-performance grades, building on more than eighteen years of operating history Subsequent to quarter-end, secured bindin

May 22, 2026 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): May 22, 2026 Evolution Metals & T

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): May 22, 2026 Evolution Metals & Technologies Corp. (Exact name of registrant as specified in its charter) Delaware 001-41183 87-1006702 (State or other jurisdiction of incorporation o

May 22, 2026 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2026 ☐ TRANSITION REPORT P

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2026 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-41183 Evolution

May 20, 2026 EX-99.1

EVOLUTION METALS & TECHNOLOGIES CORP. UNAUDITED CONDENSED CONSOLIDATED BALANCE SHEETS

Exhibit 99.1 EVOLUTION METALS & TECHNOLOGIES CORP. UNAUDITED CONDENSED CONSOLIDATED BALANCE SHEETS in thousands, except share data March 31, 2026 (unaudited) ASSETS Current assets: Cash and cash equivalents $ 5,389 Accounts receivable 2,270 Non-trade accounts receivable 1,202 Non-trade accounts receivable - related parties 182 Inventories 1,564 Prepaid expenses and other current assets 660 Total c

May 20, 2026 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): May 20, 2026 Evolution Metals & T

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): May 20, 2026 Evolution Metals & Technologies Corp. (Exact name of registrant as specified in its charter) Delaware 001-41183 87-1006702 (State or other jurisdiction of incorporation o

May 15, 2026 NT 10-Q

Evolution Metals & Technologies Corp. (Name of Registrant as Specified in Charter)

UNITED STATES OMB APPROVAL SECURITIES AND EXCHANGE COMMISSION OMB Number: 3235-0058 Washington, D.

May 14, 2026 EX-10.2

Page 1 / 5

Exhibit 10.2 CERTAIN IDENTIFIED INFORMATION HAS BEEN EXCLUDED FROM THE EXHIBIT BECAUSE IT IS BOTH NOT MATERIAL AND IS THE TYPE THAT THE REGISTRANT TREATS AS PRIVATE OR CONFIDENTIAL. INFORMATION THAT WAS OMITTED HAS BEEN NOTED IN THIS DOCUMENT WITH A PLACEHOLDER IDENTIFIED BY THE MARK “[******]” CONTRACT 계약서 CONTRACT No.: W20260330-003-01 계약번호: W20260330-003-01 DATE: May,13th,2026 계약체결일: 2026년 5월 1

May 14, 2026 EX-10.3

Page 1 / 5

Exhibit 10.3 CERTAIN IDENTIFIED INFORMATION HAS BEEN EXCLUDED FROM THE EXHIBIT BECAUSE IT IS BOTH NOT MATERIAL AND IS THE TYPE THAT THE REGISTRANT TREATS AS PRIVATE OR CONFIDENTIAL. INFORMATION THAT WAS OMITTED HAS BEEN NOTED IN THIS DOCUMENT WITH A PLACEHOLDER IDENTIFIED BY THE MARK “[******]” CONTRACT 계약서 CONTRACT No.: W20260330-004-01 계약번호: W20260330-004-01 DATE: May,13th,2026 계약체결일: 2026년 5월 1

May 14, 2026 EX-99.1

Exhibit 99.1 FOR IMMEDIATE RELEASE Evolution Metals & Technologies Enters into Strategic Equipment Purchase Agreements with ULVAC to Scale Annual Rare Earth Magnet Capacity to 10,000 Tons, Including 6,000 Tons of High-Performance Sintered Magnets Binding purchase order for thirteen world-class ULVAC sintered magnet machines, with expedited delivery and installation by November 2026; Deal leverages

May 14, 2026 EX-10.6

Page 1 / 5

Exhibit 10.6 CERTAIN IDENTIFIED INFORMATION HAS BEEN EXCLUDED FROM THE EXHIBIT BECAUSE IT IS BOTH NOT MATERIAL AND IS THE TYPE THAT THE REGISTRANT TREATS AS PRIVATE OR CONFIDENTIAL. INFORMATION THAT WAS OMITTED HAS BEEN NOTED IN THIS DOCUMENT WITH A PLACEHOLDER IDENTIFIED BY THE MARK “[******]” CONTRACT 계약서 CONTRACT No.: W20260330-007-01 계약번호: W20260330-007-01 DATE: May,13th,2026 계약체결일: 2026년 5월 1

May 14, 2026 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): May 13, 2026 Evolution Metals & T

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): May 13, 2026 Evolution Metals & Technologies Corp. (Exact name of registrant as specified in its charter) Delaware 001-41183 87-1006702 (State or other jurisdiction of incorporation o

May 14, 2026 EX-10.4

Page 1 / 5

Exhibit 10.4 CERTAIN IDENTIFIED INFORMATION HAS BEEN EXCLUDED FROM THE EXHIBIT BECAUSE IT IS BOTH NOT MATERIAL AND IS THE TYPE THAT THE REGISTRANT TREATS AS PRIVATE OR CONFIDENTIAL. INFORMATION THAT WAS OMITTED HAS BEEN NOTED IN THIS DOCUMENT WITH A PLACEHOLDER IDENTIFIED BY THE MARK “[******]” CONTRACT 계약서 CONTRACT No.: W20260330-005-01 계약번호: W20260330-005-01 DATE: May,13th,2026 계약체결일: 2026년 5월 1

May 14, 2026 EX-10.5

Page 1 / 5

Exhibit 10.5 CERTAIN IDENTIFIED INFORMATION HAS BEEN EXCLUDED FROM THE EXHIBIT BECAUSE IT IS BOTH NOT MATERIAL AND IS THE TYPE THAT THE REGISTRANT TREATS AS PRIVATE OR CONFIDENTIAL. INFORMATION THAT WAS OMITTED HAS BEEN NOTED IN THIS DOCUMENT WITH A PLACEHOLDER IDENTIFIED BY THE MARK “[******]” CONTRACT 계약서 CONTRACT No.: W20260330-006-01 계약번호: W20260330-006-01 DATE: May,13th,2026 계약체결일: 2026년 5월 1

May 14, 2026 EX-10.7

Page 1 / 5

Exhibit 10.7 CERTAIN IDENTIFIED INFORMATION HAS BEEN EXCLUDED FROM THE EXHIBIT BECAUSE IT IS BOTH NOT MATERIAL AND IS THE TYPE THAT THE REGISTRANT TREATS AS PRIVATE OR CONFIDENTIAL. INFORMATION THAT WAS OMITTED HAS BEEN NOTED IN THIS DOCUMENT WITH A PLACEHOLDER IDENTIFIED BY THE MARK “[******]” CONTRACT 계약서 CONTRACT No.: W20260330-008-01 계약번호: W20260330-008-01 DATE: May,13th,2026 계약체결일: 2026년 5월 1

May 14, 2026 EX-10.1

Page 1 / 5

Exhibit 10.1 CERTAIN IDENTIFIED INFORMATION HAS BEEN EXCLUDED FROM THE EXHIBIT BECAUSE IT IS BOTH NOT MATERIAL AND IS THE TYPE THAT THE REGISTRANT TREATS AS PRIVATE OR CONFIDENTIAL. INFORMATION THAT WAS OMITTED HAS BEEN NOTED IN THIS DOCUMENT WITH A PLACEHOLDER IDENTIFIED BY THE MARK “[******]” CONTRACT 계약서 CONTRACT No.: W20260330-001-01 계약번호: W20260330-001-01 DATE: May,13th,2026 계약체결일: 2026년 5월 1

May 14, 2026 EX-10.8

Page 1 / 5

Exhibit 10.8 CERTAIN IDENTIFIED INFORMATION HAS BEEN EXCLUDED FROM THE EXHIBIT BECAUSE IT IS BOTH NOT MATERIAL AND IS THE TYPE THAT THE REGISTRANT TREATS AS PRIVATE OR CONFIDENTIAL. INFORMATION THAT WAS OMITTED HAS BEEN NOTED IN THIS DOCUMENT WITH A PLACEHOLDER IDENTIFIED BY THE MARK “[******]” CONTRACT 계약서 CONTRACT No.: W20260330-009-01 계약번호: W20260330-009-01 DATE: May,13th,2026 계약체결일: 2026년 5월 1

May 11, 2026 EX-99.1

Evolution Metals & Technologies Corp. Secures $100 Million Investment from Yorkville Advisors Global, LP

Exhibit 99.1 Evolution Metals & Technologies Corp. Secures $100 Million Investment from Yorkville Advisors Global, LP MIAMI, FL, May 11, 2026 (GLOBE NEWSWIRE) - Evolution Metals & Technologies Corp. (“EM&T”, Nasdaq: EMAT), a mid- and down-stream critical and strategic metals producer, has secured an investment of up to $100 million from Yorkville Advisors Global, LP (“Yorkville”), a leading global

May 11, 2026 EX-10.2

REGISTRATION RIGHTS AGREEMENT

Exhibit 10.2 REGISTRATION RIGHTS AGREEMENT THIS REGISTRATION RIGHTS AGREEMENT (this “Agreement”), dated as of May 7, 2026, is made by and between YA II PN, LTD., a Cayman Islands exempt limited company (the “Investor”), and EVOLUTION METALS & TECHNOLOGIES CORP., a company incorporated under the laws of the State of Delaware (the “Company”). The Investor and the Company may be referred to herein in

May 11, 2026 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): May 7, 2026 Evolution Metals & Te

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): May 7, 2026 Evolution Metals & Technologies Corp. (Exact name of registrant as specified in its charter) Delaware 001-41183 87-1006702 (State or other jurisdiction of incorporation or

May 11, 2026 EX-4.2

EVOLUTION METALS & TECHNOLOGIES CORP. Convertible Debenture

Exhibit 4.2 NEITHER THIS DEBENTURE NOR THE SECURITIES INTO WHICH THIS DEBENTURE IS CONVERTIBLE HAVE BEEN REGISTERED WITH THE SECURITIES AND EXCHANGE COMMISSION OR THE SECURITIES COMMISSION OF ANY STATE. THESE SECURITIES HAVE BEEN SOLD IN RELIANCE UPON AN EXEMPTION FROM REGISTRATION UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE “SECURITIES ACT”), AND, ACCORDINGLY, MAY NOT BE OFFERED OR SOLD EXC

May 11, 2026 EX-10.3

GLOBAL GUARANTY AGREEMENT

Exhibit 10.3 GLOBAL GUARANTY AGREEMENT This Guaranty (as amended, amended and restated, supplemented or otherwise modified from time to time, this “Guaranty”) is made as of May 7, 2026, by Evolution Metals NewCo, Inc. a Delaware corporation (“EM NewCo”), Evolution Metals LLC, a Delaware limited liability company (“EM LLC”), KCM Industry Co., Ltd. (“KCM”), KMMI Inc. (“KMMI”), NS World Co., Ltd. (“N

May 11, 2026 EX-4.1

EVOLUTION METALS & TECHNOLOGIES CORP. Convertible Debenture

Exhibit 4.1 NEITHER THIS DEBENTURE NOR THE SECURITIES INTO WHICH THIS DEBENTURE IS CONVERTIBLE HAVE BEEN REGISTERED WITH THE SECURITIES AND EXCHANGE COMMISSION OR THE SECURITIES COMMISSION OF ANY STATE. THESE SECURITIES HAVE BEEN SOLD IN RELIANCE UPON AN EXEMPTION FROM REGISTRATION UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE “SECURITIES ACT”), AND, ACCORDINGLY, MAY NOT BE OFFERED OR SOLD EXC

May 11, 2026 EX-10.1

SECURITIES PURCHASE AGREEMENT

Exhibit 10.1 SECURITIES PURCHASE AGREEMENT THIS SECURITIES PURCHASE AGREEMENT (this “Agreement”), dated as of May 7, 2026, is between EVOLUTION METALS & TECHNOLOGIES CORP., a company incorporated under the laws of the State of Delaware, with principal executive offices located at 4040 NE 2nd Avenue, Ste 349, Miami, Florida 33137 (the “Company”), and each of the investors listed on the Schedule of

March 31, 2026 EX-99.5

NS WORLD FINANCIAL STATEMENTS

Exhibit 99.5 NS WORLD FINANCIAL STATEMENTS Audited Financial Statements of NS World Co., Ltd. as of and for each of the Years Ended December 31, 2025 and 2024 Page Report of Independent Auditors for the Year Ended December 31, 2025 F-2 Report of Independent Auditors for the Year Ended December 31, 2024 F-4 Balance Sheets F-6 Statements of Operations F-7 Statements of Comprehensive Loss F-8 Stateme

March 31, 2026 EX-99.13

HANDA LAB’S MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS

Exhibit 99.13 HANDA LAB’S MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS Unless the context otherwise requires, references in this section to “we”, “us”, “our” and “the Company” refer to the business and operations of Handa Lab Co., Ltd. and its consolidated subsidiaries prior to the Business Combination. Unless otherwise indicated, all dollar amounts (“$”) a

March 31, 2026 EX-99.6

HANDA LAB CO., LTD. FINANCIAL STATEMENTS

Exhibit 99.6 HANDA LAB CO., LTD. FINANCIAL STATEMENTS Page Audited Financial Statements of Handa Lab Co., LTD. as of and for each of the Years Ended December 31, 2025 and 2024 Report of Independent Auditors for the Year Ended December 31, 2025 F-2 Report of Independent Auditors for the Year Ended December 31, 2024 F-3 Consolidated Balance Sheets F-4 Consolidated Statements of Operations F-5 Consol

March 31, 2026 EX-99.4

KMMI INC. FINANCIAL STATEMENTS

Exhibit 99.4 KMMI INC. FINANCIAL STATEMENTS Page Audited Financial Statements of KMMI INC. as of and for each of the Years Ended December 31, 2025 and 2024 Report of Independent Auditors for the Year Ended December 31, 2025 F-2 Report of Independent Auditors for the Year Ended December 31, 2024 F-3 Balance Sheets F-5 Statements of Operations F-6 Statements of Comprehensive Loss F-7 Statements of C

March 31, 2026 EX-23.10

CONSENT OF INDEPENDENT AUDITOR

Exhibit 23.10 CONSENT OF INDEPENDENT AUDITOR We hereby consent to the use, in this Amendment No. 2 to Form 8-K of Evolution Metals & Technologies Corp. of our report dated April 21, 2025 relating to the financial statements of Handa Lab Co., Ltd. for the year ended December 31, 2024, which appears in such Amendment No. 2 to Form 8-K. /s/ Ernst & Young Han Young Seoul, the Republic of Korea March 3

March 31, 2026 EX-99.12

NS WORLD’S MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS

Exhibit 99.12 NS WORLD’S MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS Unless the context otherwise requires, references in this section to “we”, “us”, “our” and “the Company” refer to the business and operations of NS World prior to the Business Combination. Unless otherwise indicated, all dollar amounts (“$”) are expressed in thousands. The following discu

March 31, 2026 EX-99.9

EVOLUTIONS METAL LLC’S MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS

Exhibit 99.9 EVOLUTIONS METAL LLC’S MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS The following “Management’s Discussion and Analysis of Financial Condition and Results of Operations” should be read in conjunction with our audited consolidated financial statements as of and for the year ended December 31, 2025 and as of December 31, 2024 and for the period f

March 31, 2026 EX-99.11

KMMI’S MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS

Exhibit 99.11 KMMI’S MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS Unless the context otherwise requires, references in this section to “we”, “us”, “our” and “the Company” refer to the business and operations of KMMI prior to the Business Combination. Unless otherwise indicated, all dollar amounts (“$”) are expressed in thousands. The following discussion an

March 31, 2026 EX-99.7

UNAUDITED PRO FORMA CONDENSED COMBINED FINANCIAL INFORMATION

Exhibit 99.7 UNAUDITED PRO FORMA CONDENSED COMBINED FINANCIAL INFORMATION Defined terms included below and not otherwise defined in this Exhibit 99.7 have the same meaning as terms defined and included elsewhere in the Current Report on Form 8-K (the “Form 8-K”), as amended, of which this exhibit forms a part. Unless otherwise stated or the context clearly indicates otherwise, the terms the “Regis

March 31, 2026 EX-23.7

Independent Registered Public Accounting Firm’s Consent

Exhibit 23.7 Independent Registered Public Accounting Firm’s Consent We hereby consent to the inclusion of our report dated March 31, 2026, with respect to our audit of NS World Co. Ltd.'s financial statements as of December 31, 2025 and for the year then ended that appears in this Amendment No. 2 to Form 8-K of Evolution Metals & Technologies Corp. Our report contained explanatory paragraphs rega

March 31, 2026 EX-99.3

KCM INDUSTRY CO., LTD. FINANCIAL STATEMENTS

Exhibit 99.3 KCM INDUSTRY CO., LTD. FINANCIAL STATEMENTS Page Audited Financial Statements of KCM INDUSTRY Co., Ltd. as of and for each of the Years Ended December 31, 2025 and 2024 Report of Independent Auditors for the Year Ended December 31, 2025 F-2 Report of Independent Auditors for the Year Ended December 31, 2024 F-3 Balance Sheets F-5 Statements of Operations F-7 Statements of Comprehensiv

March 31, 2026 8-K/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K/A (Amendment No. 2) CURRENT REPORT Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): January 5, 20

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K/A (Amendment No. 2) CURRENT REPORT Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): January 5, 2026 Evolution Metals & Technologies Corp. (Exact name of registrant as specified in its charter) Delaware 001-41183 87-1006702 (State or other jurisdic

March 31, 2026 EX-23.8

CONSENT OF INDEPENDENT AUDITOR

Exhibit 23.8 CONSENT OF INDEPENDENT AUDITOR We hereby consent to the use, in this Amendment No. 2 to Form 8-K of Evolution Metals & Technologies Corp. of our report dated April 21, 2025 relating to the financial statements of NS World Co., Ltd. for the year ended December 31, 2024, which appears in such Amendment No. 2 to Form 8-K. /s/ Ernst & Young Han Young Seoul, the Republic of Korea March 31,

March 31, 2026 EX-99.2

EVOLUTION METALS LLC FINANCIAL STATEMENTS

Exhibit 99.2 EVOLUTION METALS LLC FINANCIAL STATEMENTS Page Audited Financial Statements of Evolution Metals LLC as of December 31, 2025 and 2024 and for the Year Ended December 31, 2025 and for the Period from February 8, 2024 (inception) to December 31, 2024 Report of Independent Registered Public Accounting Firm PCAOB ID 1195 F-2 Balance Sheet as of December 31, 2025 and 2024 F-3 Statement of O

March 31, 2026 EX-99.10

KCM’S MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS

Exhibit 99.10 KCM’S MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS Unless the context otherwise requires, references in this section to “we”, “us”, “our” and “the Company” refer to the business and operations of KCM prior to the Business Combination. Unless otherwise indicated, all dollar amounts (“$”) are expressed in thousands. The following discussion and

March 31, 2026 EX-23.9

Independent Registered Public Accounting Firm’s Consent

Exhibit 23.9 Independent Registered Public Accounting Firm’s Consent We consent to the inclusion in this Amendment No. 2 to Form 8-K of Evolution Metals & Technologies Corp. of our report dated March 31, 2026, which includes an explanatory paragraph as to the Company’s ability to continue as a going concern, with respect to our audit of the financial statements of Handa Lab Co., Ltd. as of Decembe

March 18, 2026 EX-99.1

Evolution Metals & Technologies Corp. Releases Corporate Video Showcasing Current Rare Earth Magnet Production Operations

Exhibit 99.1 Evolution Metals & Technologies Corp. Releases Corporate Video Showcasing Current Rare Earth Magnet Production Operations MIAMI, FL, March 18, 2026 (GLOBE NEWSWIRE) - Evolution Metals & Technologies Corp. (“EM&T”) (NASDAQ: EMAT) released a short video showcasing the EM&T’s current and commercial operations, including the production of sintered magnets, bonded magnets, and mid-stream c

March 18, 2026 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): March 18, 2026 Evolution Metals &

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): March 18, 2026 Evolution Metals & Technologies Corp. (Exact name of registrant as specified in its charter) Delaware 001-41183 87-1006702 (State or other jurisdiction of incorporation

February 20, 2026 EX-4.22

DESCRIPTION OF SECURITIES

Exhibit 4.22 DESCRIPTION OF SECURITIES The following description summarizes the material terms of our capital stock and certain provisions of our certificate of incorporation and bylaws, as currently in effect, as well as certain provisions of the Delaware General Corporation Law (“DGCL”). The summary below does not purport to be complete and is qualified in its entirety by reference to tour certi

February 20, 2026 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2025 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 001-41183 Evolution Metals

January 9, 2026 EX-99.7

UNAUDITED PRO FORMA CONDENSED COMBINED FINANCIAL INFORMATION

Exhibit 99.7 UNAUDITED PRO FORMA CONDENSED COMBINED FINANCIAL INFORMATION Defined terms included below and not otherwise defined in this Exhibit 99.7 have the same meaning as terms defined and included elsewhere in the Current Report on Form 8-K (the “Form 8-K”) filed with the Securities and Exchange Commission (the “SEC”) on January 7, 2025. unless otherwise stated or the context clearly indicate

January 9, 2026 EX-4.13

PROMISSORY NOTE

Exhibit 4.13 PROMISSORY NOTE, DATED 30 DECEMBER 2024, ISSUED TO WELSBACH ACQUISITION HOLDINGS LLC THIS PROMISSORY NOTE (“NOTE”) HAS NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE “SECURITIES ACT”). THIS NOTE HAS BEEN ACQUIRED FOR INVESTMENT ONLY AND MAY NOT BE SOLD, TRANSFERRED OR ASSIGNED IN THE ABSENCE OF REGISTRATION OF THE RESALE THEREOF UNDER THE SECURITIES ACT OR AN OP

January 9, 2026 EX-10.20

EMPLOYMENT AGREEMENT

Exhibit 10.20 EMPLOYMENT AGREEMENT This Employment Agreement (the “Agreement”) is entered into effective as of January 5, 2026 (the “Effective Date”), by and between Christopher Clower (“Executive”) and Evolution Metals & Technologies Corp. (the “Company”). The Company desires to employ the Executive and, in connection therewith, to compensate the Executive for the Executive’s personal services to

January 9, 2026 EX-99.8

KCM’S MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS

Exhibit 99.8 KCM’S MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS Unless the context otherwise requires, references in this section to “we”, “us”, “our” and “the Company” refer to the business and operations of KCM prior to the Business Combination. Unless otherwise indicated, all dollar amounts (“$”) are expressed in thousands. The following discussion and a

January 9, 2026 EX-99.10

NS WORLD’S MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS

Exhibit 99.10 NS WORLD’S MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS Unless the context otherwise requires, references in this section to “we”, “us”, “our” and “the Company” refer to the business and operations of NS World prior to the Business Combination. Unless otherwise indicated, all dollar amounts (“$”) are expressed in thousands. The following discu

January 9, 2026 EX-99.6

Additional paid-in Capital

Exhibit 99.6 Handa Lab Co., Ltd. and Subsidiary Condensed Consolidated Interim Financial Statements (Unaudited) As of September 30, 2025 and for the nine-month periods ended September 30, 2025 and 2024 Table of Contents Page Unaudited Condensed Consolidated Balance Sheets 1 Unaudited Condensed Consolidated Interim Statements of Operations 3 Unaudited Condensed Consolidated Interim Statements of Co

January 9, 2026 EX-4.15

PROMISSORY NOTE

Exhibit 4.15 PROMISSORY NOTE, DATED 30 JUNE 2025, ISSUED TO WELSBACH ACQUISITION HOLDINGS LLC THIS PROMISSORY NOTE (“NOTE”) HAS NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE “SECURITIES ACT”). THIS NOTE HAS BEEN ACQUIRED FOR INVESTMENT ONLY AND MAY NOT BE SOLD, TRANSFERRED OR ASSIGNED IN THE ABSENCE OF REGISTRATION OF THE RESALE THEREOF UNDER THE SECURITIES ACT OR AN OPINIO

January 9, 2026 EX-4.14

PROMISSORY NOTE

Exhibit 4.14 PROMISSORY NOTE, DATED 31 MARCH 2024, ISSUED TO WELSBACH ACQUISITION HOLDINGS LLC THIS PROMISSORY NOTE (“NOTE”) HAS NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE “SECURITIES ACT”). THIS NOTE HAS BEEN ACQUIRED FOR INVESTMENT ONLY AND MAY NOT BE SOLD, TRANSFERRED OR ASSIGNED IN THE ABSENCE OF REGISTRATION OF THE RESALE THEREOF UNDER THE SECURITIES ACT OR AN OPINI

January 9, 2026 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): January 5, 2026 Evolution Metals

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): January 5, 2026 Evolution Metals & Technologies Corp. (Exact name of registrant as specified in its charter) Delaware 001-41183 87-1006702 (State or other jurisdiction of incorporatio

January 9, 2026 EX-21.1

List of Subsidiaries of Evolution Metals & Technologies Corp.

Exhibit 21.1 List of Subsidiaries of Evolution Metals & Technologies Corp. Entity Name Place of Organization Evolution Metals NewCo, Inc.* Delaware Evolution Metals LLC** Delaware Evolution Metals LLC (Korea)*** South Korea KCM Industry Co., Ltd.**** South Korea KMMI INC.**** South Korea Handa Lab Co., Ltd.**** South Korea NS World Co., Ltd.**** South Korea * 100% owned subsidiary of Evolution Met

January 9, 2026 EX-4.7

PROMISSORY NOTE

Exhibit 4.7 PROMISSORY NOTE, DATED 28 SEPTEMBER 2023, ISSUED TO WELSBACH ACQUISITION HOLDINGS LLC THIS PROMISSORY NOTE (“NOTE”) HAS NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE “SECURITIES ACT”). THIS NOTE HAS BEEN ACQUIRED FOR INVESTMENT ONLY AND MAY NOT BE SOLD, TRANSFERRED OR ASSIGNED IN THE ABSENCE OF REGISTRATION OF THE RESALE THEREOF UNDER THE SECURITIES ACT OR AN OP

January 9, 2026 EX-99.11

HANDA LAB’S MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS

Exhibit 99.11 HANDA LAB’S MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS Unless the context otherwise requires, references in this section to “we”, “us”, “our” and “the Company” refer to the business and operations of Handa Lab Co., Ltd. and its consolidated subsidiary prior to the Business Combination. Unless otherwise indicated, all dollar amounts (“$”) are

January 9, 2026 EX-99.4

i

Exhibit 99.4 KMMI INC. Condensed Interim Financial Statements (Unaudited) As of September 30, 2025 and for the nine-month Periods ended September 30, 2025 and 2024 Table of Contents Page Unaudited Condensed Balance Sheets 1 Unaudited Condensed Interim Statements of Operations 2 Unaudited Condensed Interim Statements of Comprehensive Loss 3 Unaudited Condensed Interim Statements of Changes in Stock

January 9, 2026 EX-4.9

PROMISSORY NOTE

Exhibit 4.9 PROMISSORY NOTE, DATED 29 December 2023, ISSUED TO WELSBACH ACQUISITION HOLDINGS LLC THIS PROMISSORY NOTE (“NOTE”) HAS NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE “SECURITIES ACT”). THIS NOTE HAS BEEN ACQUIRED FOR INVESTMENT ONLY AND MAY NOT BE SOLD, TRANSFERRED OR ASSIGNED IN THE ABSENCE OF REGISTRATION OF THE RESALE THEREOF UNDER THE SECURITIES ACT OR AN OPI

January 9, 2026 EX-4.10

PROMISSORY NOTE

Exhibit 4.10 PROMISSORY NOTE, DATED 20 March 2024, ISSUED TO WELSBACH ACQUISITION HOLDINGS LLC THIS PROMISSORY NOTE (“NOTE”) HAS NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE “SECURITIES ACT”). THIS NOTE HAS BEEN ACQUIRED FOR INVESTMENT ONLY AND MAY NOT BE SOLD, TRANSFERRED OR ASSIGNED IN THE ABSENCE OF REGISTRATION OF THE RESALE THEREOF UNDER THE SECURITIES ACT OR AN OPINI

January 9, 2026 EX-10.18

EMPLOYMENT AGREEMENT

Exhibit 10.18 EMPLOYMENT AGREEMENT This Employment Agreement (the “Agreement”) is entered into effective as of January 5, 2026 (the “Effective Date”), by and between Frank Moon (“Executive”) and Evolution Metals & Technologies Corp. (the “Company”). The Company desires to employ the Executive and, in connection therewith, to compensate the Executive for the Executive’s personal services to the Com

January 9, 2026 EX-14.1

Welsbach Technology Metals Acquisition Corp., a Delaware corporation to be renamed Evolution Metals & Technologies Corp. Code of Ethics and Business Conduct

Exhibit 14.1 Welsbach Technology Metals Acquisition Corp., a Delaware corporation to be renamed Evolution Metals & Technologies Corp. Code of Ethics and Business Conduct 1. Introduction. (a) The Board of Directors (the “Board”) of Welsbach Technology Metals Acquisition Corp., a Delaware corporation to be renamed Evolution Metals & Technologies Corp. (the “Company”) has adopted this code of ethics

January 9, 2026 EX-99.5

i

Exhibit 99.5 NS World Co., Ltd. Condensed Interim Financial Statements (Unaudited) As of September 30, 2025 and for the nine-month Periods ended September 30, 2025 and 2024 Table of Contents Page Unaudited Condensed Interim Balance Sheets 1 Unaudited Condensed Interim Statements of Operations 3 Unaudited Condensed Interim Statements of Comprehensive Loss 4 Unaudited Condensed Interim Statements of

January 9, 2026 EX-99.9

KMMI’S MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS

Exhibit 99.9 KMMI’S MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS Unless the context otherwise requires, references in this section to “we”, “us”, “our” and “the Company” refer to the business and operations of KMMI prior to the Business Combination. Unless otherwise indicated, all dollar amounts (“$”) are expressed in thousands. The following discussion and

January 9, 2026 EX-4.6

PROMISSORY NOTE

Exhibit 4.6 PROMISSORY NOTE, DATED AUGUST 30, 2023, ISSUED TO WELSBACH ACQUISITION HOLDINGS LLC THIS PROMISSORY NOTE (“NOTE”) HAS NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE “SECURITIES ACT”). THIS NOTE HAS BEEN ACQUIRED FOR INVESTMENT ONLY AND MAY NOT BE SOLD, TRANSFERRED OR ASSIGNED IN THE ABSENCE OF REGISTRATION OF THE RESALE THEREOF UNDER THE SECURITIES ACT OR AN OPIN

January 9, 2026 EX-4.11

PROMISSORY NOTE

Exhibit 4.11 PROMISSORY NOTE, DATED 28 JUNE 2024, ISSUED TO WELSBACH ACQUISITION HOLDINGS LLC THIS PROMISSORY NOTE (“NOTE”) HAS NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE “SECURITIES ACT”). THIS NOTE HAS BEEN ACQUIRED FOR INVESTMENT ONLY AND MAY NOT BE SOLD, TRANSFERRED OR ASSIGNED IN THE ABSENCE OF REGISTRATION OF THE RESALE THEREOF UNDER THE SECURITIES ACT OR AN OPINIO

January 9, 2026 EX-4.12

PROMISSORY NOTE

Exhibit 4.12 PROMISSORY NOTE, DATED 30 SEPTEMBER 2024, ISSUED TO WELSBACH ACQUISITION HOLDINGS LLC THIS PROMISSORY NOTE (“NOTE”) HAS NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE “SECURITIES ACT”). THIS NOTE HAS BEEN ACQUIRED FOR INVESTMENT ONLY AND MAY NOT BE SOLD, TRANSFERRED OR ASSIGNED IN THE ABSENCE OF REGISTRATION OF THE RESALE THEREOF UNDER THE SECURITIES ACT OR AN O

January 9, 2026 EX-10.19

EMPLOYMENT AGREEMENT

Exhibit 10.19 EMPLOYMENT AGREEMENT This Employment Agreement (the “Agreement”) is entered into effective as of January 5, 2026 (the “Effective Date”), by and between Andrew F. Knaggs (“Executive”) and Evolution Metals & Technologies Corp. (the “Company”). The Company desires to employ the Executive and, in connection therewith, to compensate the Executive for the Executive’s personal services to t

January 9, 2026 8-K/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K/A (Amendment No. 1) CURRENT REPORT Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): January 5, 20

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K/A (Amendment No. 1) CURRENT REPORT Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): January 5, 2026 Evolution Metals & Technologies Corp. (Exact name of registrant as specified in its charter) Delaware 001-41183 87-1006702 (State or other jurisdic

January 9, 2026 EX-4.1

FORM OF SPECIMEN COMMON STOCK CERTIFICATE OF EVOLUTION METALS & TECHNOLOGIES CORP

Exhibit 4.1

January 9, 2026 EX-3.2

Amended and Restated Bylaws Evolution Metals & Technologies Corp. Article I. Offices

Exhibit 3.2 Amended and Restated Bylaws Of Evolution Metals & Technologies Corp. Article I. Offices Section 1.01 Principal Office. The registered office of the Evolution Metals & Technologies Corp. (the “Corporation”) shall be located in such place as may be provided from time to time in the Certificate of Incorporation of the Corporation, as may be amended from time to time (the “Certificate of I

January 9, 2026 EX-99.3

Common stock

Exhibit 99.3 KCM INDUSTRY Co., Ltd. Condensed Interim Financial Statements (Unaudited) As of September 30, 2025 and for the nine-month periods ended September 30, 2025 and 2024 Table of Contents Page Unaudited Condensed Balance Sheets 1 Unaudited Condensed Interim Statements of Operations 3 Unaudited Condensed Interim Statements of Comprehensive Loss 4 Unaudited Condensed Interim Statements of Cha

January 9, 2026 EX-10.21

EMPLOYMENT AGREEMENT

Exhibit 10.21 EMPLOYMENT AGREEMENT This Employment Agreement (the “Agreement”) is entered into effective as of January 5, 2026 (the “Effective Date”), by and between John Arrastia (“Executive”) and Evolution Metals & Technologies Corp. (the “Company”). The Company desires to employ the Executive and, in connection therewith, to compensate the Executive for the Executive’s personal services to the

January 9, 2026 EX-10.17

EMPLOYMENT AGREEMENT

Exhibit 10.17 EMPLOYMENT AGREEMENT This Employment Agreement (the “Agreement”) is entered into effective as of January 5, 2026 (the “Effective Date”), by and between David Wilcox (“Executive”) and Evolution Metals & Technologies Corp. (the “Company”). The Company desires to employ the Executive and, in connection therewith, to compensate the Executive for the Executive’s personal services to the C

January 9, 2026 EX-4.16

PROMISSORY NOTE

Exhibit 4.16 PROMISSORY NOTE, DATED 30 SEPTEMBER 2025, ISSUED TO WELSBACH ACQUISITION HOLDINGS LLC THIS PROMISSORY NOTE (“NOTE”) HAS NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE “SECURITIES ACT”). THIS NOTE HAS BEEN ACQUIRED FOR INVESTMENT ONLY AND MAY NOT BE SOLD, TRANSFERRED OR ASSIGNED IN THE ABSENCE OF REGISTRATION OF THE RESALE THEREOF UNDER THE SECURITIES ACT OR AN O

January 9, 2026 EX-3.1

Second Amended and Restated Certificate of Incorporation Welsbach Technology Metals Acquisition Corp. Pursuant to Section 242 and 245 of the Delaware General Corporation Law

Exhibit 3.1 Second Amended and Restated Certificate of Incorporation Of Welsbach Technology Metals Acquisition Corp. Pursuant to Section 242 and 245 of the Delaware General Corporation Law Welsbach Technology Metals Acquisition Corp., a corporation existing under the laws of the State of Delaware, by its Executive Chairman, hereby certifies as follows: 1. The name of the corporation is Welsbach Te

January 9, 2026 EX-4.8

PROMISSORY NOTE

Exhibit 4.8 PROMISSORY NOTE, DATED 10 NOVEMBER 2023, ISSUED TO WELSBACH ACQUISITION HOLDINGS LLC THIS PROMISSORY NOTE (“NOTE”) HAS NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE “SECURITIES ACT”). THIS NOTE HAS BEEN ACQUIRED FOR INVESTMENT ONLY AND MAY NOT BE SOLD, TRANSFERRED OR ASSIGNED IN THE ABSENCE OF REGISTRATION OF THE RESALE THEREOF UNDER THE SECURITIES ACT OR AN OPI

January 9, 2026 EX-2.7

Amendment No. 6 to Amended and Restated Agreement and Plan of Merger Dated as of January 5, 2026

Exhibit 2.7 Amendment No. 6 to Amended and Restated Agreement and Plan of Merger Dated as of January 5, 2026 This Amendment No. 6 to Amended and Restated Agreement and Plan of Merger (this “Amendment”) is made and entered into as of the date first set forth above (the “Amendment Date”) by and among (i) Welsbach Technology Metals Acquisition Corp., a Delaware corporation (“Acquiror”), (ii) WTMA Mer

January 9, 2026 EX-99.12

Evolution Metals & Technologies Corp. Consummates Business Combination Prior to Trading on NASDAQ

Exhibit 99.12 Evolution Metals & Technologies Corp. Consummates Business Combination Prior to Trading on NASDAQ West Palm Beach, FL, Jan. 05, 2026 (GLOBE NEWSWIRE) - Evolution Metals & Technologies Corp. (“EM&T” or the “Company”), a company focused on building a secure, reliable, and vertically integrated global supply chain for critical minerals and materials (“CMM”), including battery and magnet

January 6, 2026 CERT

CERT

The Nasdaq Stock Market LLC, 1100 New York Ave. NW, Suite 310E, Washington, DC 20005 Eun Ah Choi Senior Vice President Global Head of Regulatory Operations January 5, 2026 Division of Corporation Finance U.S. Securities and Exchange Commission 100 F Street, N.E. Washington, D.C. 20549 Division of Corporation Finance: This is to certify that on January 5, 2026, The Nasdaq Stock Market (the "Exchang

January 5, 2026 EX-3.1

CERTIFICATE OF AMENDMENT TO THE AMENDED AND RESTATED CERTIFICATE OF INCORPORATION OF WELSBACH TECHNOLOGY METALS ACQUISITION CORP. December 30, 2025

Exhibit 3.1 CERTIFICATE OF AMENDMENT TO THE AMENDED AND RESTATED CERTIFICATE OF INCORPORATION OF WELSBACH TECHNOLOGY METALS ACQUISITION CORP. December 30, 2025 Welsbach Technology Metals Acquisition Corp., a corporation organized and existing under the laws of the State of Delaware (the “Corporation”), DOES HEREBY CERTIFY AS FOLLOWS: 1. The name of the Corporation is “Welsbach Technology Metals Ac

January 5, 2026 424B3

WELSBACH TECHNOLOGy Metals acquisition CORP.

Filed pursuant to Rule 424(b)(3) Registration No. 333-283119 Prospectus Supplement No. 3 (To Prospectus dated August 11, 2025) WELSBACH TECHNOLOGy Metals acquisition CORP. This prospectus supplement updates, amends and supplements the prospectus dated August 11, 2025 (the “Prospectus”), which forms a part of the Post-Effective Amendment No. 2 to the Registration Statement on Form S-4 (Registration

January 5, 2026 EX-10.1

TRUST AMENDMENT

Exhibit 10.1 TRUST AMENDMENT THIS AMENDMENT TO THE INVESTMENT MANAGEMENT TRUST AGREEMENT (this “Amendment”) is made as of December 30, 2025, by and between Welsbach Technology Metals Acquisition Corp., a Delaware corporation (the “Company”), and Continental Stock Transfer & Trust Company, a New York corporation (the “Trustee”). Capitalized terms contained in this Amendment, but not specifically de

January 5, 2026 8-K

United States SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 January 5, 2026 (December 30, 2025) Date of Report (Date of earliest event reported

United States SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 January 5, 2026 (December 30, 2025) Date of Report (Date of earliest event reported) Welsbach Technology Metals Acquisition Corp. (Exact Name of Registrant as Specified in its Charter) Delaware 001-41183 87-1006702 (State or other ju

January 5, 2026 8-A12B

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-A FOR REGISTRATION OF CERTAIN CLASSES OF SECURITIES PURSUANT TO SECTION 12(b) OR (g) OF THE SECURITIES EXCHANGE ACT OF 1934 Evolution Metals & Technologies Corp. (Exact Name

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-A FOR REGISTRATION OF CERTAIN CLASSES OF SECURITIES PURSUANT TO SECTION 12(b) OR (g) OF THE SECURITIES EXCHANGE ACT OF 1934 Evolution Metals & Technologies Corp.

December 22, 2025 DEFR14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. 1)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. 1) Filed by the Registrant ☒ Filed by a party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☐ Defi

December 19, 2025 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☒ Definitive Proxy State

December 10, 2025 PRE 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a party other than the Registrant ☐ Check the appropriate box: ☒ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☐ Definitive Proxy State

November 18, 2025 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2025 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 001-41183 Welsbach

November 13, 2025 NT 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 12b-25 NOTIFICATION OF LATE FILING (Commission File Number) (Check One): ☐ Form 10-K ☐ Form 20-F ☐ Form 11-K ☒ Form 10-Q ☐ Form 10-D ☐ Form N-CEN ☐ Form N-CSR

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 12b-25 NOTIFICATION OF LATE FILING 001-41183 (Commission File Number) (Check One): ☐ Form 10-K ☐ Form 20-F ☐ Form 11-K ☒ Form 10-Q ☐ Form 10-D ☐ Form N-CEN ☐ Form N-CSR For Period Ended: September 30, 2025 ☐ Transition Report on Form 10-K ☐ Transition Report on Form 20-F ☐ Transition Report on Form 11-K ☐ Transition Repor

October 1, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 29, 2025 Welsbach Techn

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 29, 2025 Welsbach Technology Metals Acquisition Corp. (Exact Name of Registrant as Specified in its Charter) Delaware 001-41183 87-1006702 (State or other jurisdiction of in

October 1, 2025 EX-10.1

TRUST AMENDMENT

Exhibit 10.1 TRUST AMENDMENT THIS AMENDMENT TO THE INVESTMENT MANAGEMENT TRUST AGREEMENT (this “Amendment”) is made as of September 29, 2025, by and between Welsbach Technology Metals Acquisition Corp., a Delaware corporation (the “Company”), and Continental Stock Transfer & Trust Company, a New York corporation (the “Trustee”). Capitalized terms contained in this Amendment, but not specifically d

September 15, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of report (date of earliest event reported): September 15, 2025 Welsbach Techn

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of report (date of earliest event reported): September 15, 2025 Welsbach Technology Metals Acquisition Corp. (Exact name of registrant as specified in its charter) Delaware 001-41183 87-1006702 (State or other jurisdiction of in

September 15, 2025 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☒ Definitive Proxy State

September 5, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of report (date of earliest event reported): September 2, 2025 Welsbach Techno

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of report (date of earliest event reported): September 2, 2025 Welsbach Technology Metals Acquisition Corp. (Exact name of registrant as specified in its charter) Delaware 001-41183 87-1006702 (State or other jurisdiction of inc

September 5, 2025 EX-99.1

Welsbach Technology Metals Acquisition Corp. (“WTMA”) Announces Successful Approval of its Business Combination with Evolution Metals LLC (“EM”) at the Special Meeting of Stockholders Important milestone to bring to the US capital markets a fully int

Exhibit 99.1 Welsbach Technology Metals Acquisition Corp. (“WTMA”) Announces Successful Approval of its Business Combination with Evolution Metals LLC (“EM”) at the Special Meeting of Stockholders Important milestone to bring to the US capital markets a fully integrated, fully operational critical minerals and materials (CMM) supply chain that is independent of China Chicago, IL– September 5, 2025

September 5, 2025 PRE 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a party other than the Registrant ☐ Check the appropriate box: ☒ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☐ Definitive Proxy State

August 20, 2025 424B3

WELSBACH TECHNOLOGy Metals acquisition CORP.

Filed pursuant to Rule 424(b)(3) Registration No. 333-283119 Prospectus Supplement No. 2 (To Prospectus dated August 11, 2025) WELSBACH TECHNOLOGy Metals acquisition CORP. This prospectus supplement updates, amends and supplements the prospectus dated August 11, 2025 (the “Prospectus”), which forms a part of the Post-Effective Amendment No. 2 to the Registration Statement on Form S-4 (Registration

August 20, 2025 424B3

WELSBACH TECHNOLOGy Metals acquisition CORP.

Filed pursuant to Rule 424(b)(3) Registration No. 333-283119 Prospectus Supplement No. 1 (To Prospectus dated August 11, 2025) WELSBACH TECHNOLOGy Metals acquisition CORP. This prospectus supplement updates, amends and supplements the prospectus dated August 11, 2025 (the “Prospectus”), which forms a part of the Post-Effective Amendment No. 2 to the Registration Statement on Form S-4 (Registration

August 15, 2025 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2025 ☐ TRANSITION REPORT PU

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2025 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 001-41183 Welsbach Tech

August 15, 2025 NT 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 12b-25 NOTIFICATION OF LATE FILING (Commission File Number) (Check One): ☐ Form 10-K ☐ Form 20-F ☐ Form 11-K ☒ Form 10-Q ☐ Form 10-D ☐ Form N-CEN ☐ Form N-CSR

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 12b-25 NOTIFICATION OF LATE FILING 001-41183 (Commission File Number) (Check One): ☐ Form 10-K ☐ Form 20-F ☐ Form 11-K ☒ Form 10-Q ☐ Form 10-D ☐ Form N-CEN ☐ Form N-CSR For Period Ended: June 30, 2025 ☐ Transition Report on Form 10-K ☐ Transition Report on Form 20-F ☐ Transition Report on Form 11-K ☐ Transition Report on

August 11, 2025 424B3

PROXY STATEMENT OF WELSBACH TECHNOLOGY METALS ACQUISITION CORP. 4422 N. Ravenswood Ave #1025 Chicago, Illinois 60640 PROSPECTUS FOR UP TO 599,220,885 SHARES OF COMMON STOCK OF WELSBACH TECHNOLOGY METALS ACQUISITION CORP. (WHICH WILL BE RENAMED EVOLUT

Filed Pursuant to Rule 424(b)(3) Registration No. 333-283119 PROXY STATEMENT OF WELSBACH TECHNOLOGY METALS ACQUISITION CORP. 4422 N. Ravenswood Ave #1025 Chicago, Illinois 60640 PROSPECTUS FOR UP TO 599,220,885 SHARES OF COMMON STOCK OF WELSBACH TECHNOLOGY METALS ACQUISITION CORP. (WHICH WILL BE RENAMED EVOLUTION METALS & TECHNOLOGIES CORP. IN CONNECTION WITH THE BUSINESS COMBINATION DESCRIBED HER

August 7, 2025 EX-99.1

Form of Proxy Card for Welsbach Technology Metals Acquisition Corp.’s Special Meeting.

Exhibit 99.1 Vote by Internet - QUICK EASY IMMEDIATE - 24 Hours a Day, 7 Days a Week or by Mail YOUR VOTE IS IMPORTANT. PLEASE VOTE TODAY. WELSBACH TECHNOLOGY METALS ACQUISITION CORP. Your Internet vote authorizes the named proxies to vote your shares in the same manner as if you marked, signed and returned your proxy card . Votes submitted electronically over the Internet must be received by 11 :

August 7, 2025 POS AM

As filed with the Securities and Exchange Commission on August 6, 2025

As filed with the Securities and Exchange Commission on August 6, 2025 Registration No.

August 5, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of report (date of earliest event reported): July 21, 2025 Welsbach Technology

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of report (date of earliest event reported): July 21, 2025 Welsbach Technology Metals Acquisition Corp. (Exact name of registrant as specified in its charter) Delaware 001-41183 87-1006702 (State or other jurisdiction of incorpo

August 5, 2025 EX-2.1

Amendment No. 5 to Amended and Restated Merger Agreement and Plan of Merger, dated as of July 21, 2025, by and among Welsbach Technology Metals Acquisition Corp., WTMA Merger Subsidiary LLC and Evolution Metals LLC

Exhibit 2.1 Amendment No. 5 to Amended and Restated Agreement and Plan of Merger Dated as of July 21, 2025 This Amendment No. 5 to Amended and Restated Agreement and Plan of Merger (this “Amendment”) is made and entered into as of the date first set forth above (the “Amendment Date”) by and among (i) Welsbach Technology Metals Acquisition Corp., a Delaware corporation (“Acquiror”), (ii) WTMA Merge

July 29, 2025 EX-23.7

Consent of Independent Auditor of Handa Lab Co., Ltd. for fiscal year 2024

Exhibit 23.7 Consent of Independent Auditor We hereby consent to the use, in this Post-Effective Amendment No. 1 to the Registration Statement on Form S-4 (the “Registration Statement”) of Welsbach Technology Metals Acquisition Corp., of our report dated April 21, 2025 relating to the consolidated financial statements of Handa Lab Co., Ltd. and subsidiary, which appears in the Registration Stateme

July 29, 2025 POS AM

As filed with the Securities and Exchange Commission on July 29, 2025

As filed with the Securities and Exchange Commission on July 29, 2025 Registration No.

July 29, 2025 EX-23.9

Consent of Independent Auditor of KMMI INC for fiscal year 2024

Exhibit 23.9 Consent of Independent Auditor We hereby consent to the use, in this Post-Effective Amendment No. 1 to the Registration Statement on Form S-4 (the “Registration Statement”) of Welsbach Technology Metals Acquisition Corp., of our report dated April 21, 2025 relating to the financial statements of KMMI Inc., which appears in the Registration Statement. We also consent to the reference t

July 29, 2025 EX-3.10

Certificate of Amendment to the Amended and Restated Certificate of Incorporation of Welsbach Technology Metals Acquisition Corp., dated June 26, 2025.

Exhibit 3.10 CERTIFICATE OF AMENDMENT TO THE AMENDED AND RESTATED CERTIFICATE OF INCORPORATION OF WELSBACH TECHNOLOGY METALS ACQUISITION CORP. JUNE 26, 2025 Welsbach Technology Metals Acquisition Corp., a corporation organized and existing under the laws of the State of Delaware (the “Corporation”), DOES HEREBY CERTIFY AS FOLLOWS: 1. The name of the Corporation is “Welsbach Technology Metals Acqui

July 29, 2025 EX-FILING FEES

Filing Fee Table.

Exhibit 107 Calculation of Filing Fee Table Form S-4 (Form Type) Welsbach Technology Metals Acquisition Corp.

July 29, 2025 EX-23.8

Consent of Independent Auditor of KCM Industry Co., Ltd. for fiscal year 2024

Exhibit 23.8 Consent of Independent Auditor We hereby consent to the use, in this Post-Effective Amendment No. 1 to the Registration Statement on Form S-4 (the “Registration Statement”) of Welsbach Technology Metals Acquisition Corp., of our report dated April 21, 2025 relating to the financial statements of KCM Industry Co., Ltd., which appears in the Registration Statement. We also consent to th

July 29, 2025 EX-99.1

Form of Proxy Card for Welsbach Technology Metals Acquisition Corp.’s Special Meeting.

Exhibit 99.1 Vote by Internet - QUICK EASY IMMEDIATE - 24 Hours a Day, 7 Days a Week or by Mail YOUR VOTE IS IMPORTANT. PLEASE VOTE TODAY. WELSBACH TECHNOLOGY METALS ACQUISITION CORP. Your Internet vote authorizes the named proxies to vote your shares in the same manner as if you marked, signed and returned your proxy card . Votes submitted electronically over the Internet must be received by 11 :

July 29, 2025 EX-23.10

Consent of Independent Auditor of NS World Co., Ltd. for fiscal year 2024

Exhibit 23.10 Consent of Independent Auditor We hereby consent to the use, in this Post-Effective Amendment No. 1 to the Registration Statement on Form S-4 (the “Registration Statement”) of Welsbach Technology Metals Acquisition Corp., of our report dated April 21, 2025 relating to the financial statements of NS World Co., Ltd., which appears in the Registration Statement. We also consent to the r

July 10, 2025 8-K

Termination of a Material Definitive Agreement

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of report (date of earliest event reported): July 9, 2025 Welsbach Technology Metals Acquisition Corp. (Exact name of registrant as specified in its charter) Delaware 001-41183 87-1006702 (State or other jurisdiction of incorpor

June 30, 2025 424B3

WELSBACH TECHNOLOGy Metals acquisition CORP.

Filed pursuant to Rule 424(b)(3) Registration No. 333-283119 Prospectus Supplement No. 6 (To Prospectus dated May 19, 2025) WELSBACH TECHNOLOGy Metals acquisition CORP. This prospectus supplement updates, amends and supplements the prospectus dated May 19, 2025 (the “Prospectus”), which forms a part of our Registration Statement on Form S-4 (Registration No. 333-283119) and is being filed to updat

June 27, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of report (date of earliest event reported): June 26, 2025 Welsbach Technology

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of report (date of earliest event reported): June 26, 2025 Welsbach Technology Metals Acquisition Corp. (Exact name of registrant as specified in its charter) Delaware 001-41183 87-1006702 (State or other jurisdiction of incorpo

June 27, 2025 EX-10.1

Amendment to the Investment Management Trust Agreement, dated June 26, 2025, by and between Welsbach Technology Metals Acquisition Corp. And Continental Stock Transfer & Trust Company (incorporated by reference to Exhibit 10.1 to Welsbach Technology Metals Acquisition Corp.’s Current Report on Form 8-K filed with the SEC on June 27, 2025).

Exhibit 10.1 TRUST AMENDMENT THIS AMENDMENT TO THE INVESTMENT MANAGEMENT TRUST AGREEMENT (this “Amendment”) is made as of June 26, 2025, by and between Welsbach Technology Metals Acquisition Corp., a Delaware corporation (the “Company”), and Continental Stock Transfer & Trust Company, a New York corporation (the “Trustee”). Capitalized terms contained in this Amendment, but not specifically define

June 27, 2025 424B3

WELSBACH TECHNOLOGy Metals acquisition CORP.

Filed pursuant to Rule 424(b)(3) Registration No. 333-283119 Prospectus Supplement No. 4 (To Prospectus dated May 19, 2025) WELSBACH TECHNOLOGy Metals acquisition CORP. This prospectus supplement updates, amends and supplements the prospectus dated May 19, 2025 (the “Prospectus”), which forms a part of our Registration Statement on Form S-4 (Registration No. 333-283119) and is being filed to updat

June 27, 2025 424B3

WELSBACH TECHNOLOGy Metals acquisition CORP.

Filed pursuant to Rule 424(b)(3) Registration No. 333-283119 Prospectus Supplement No. 5 (To Prospectus dated May 19, 2025) WELSBACH TECHNOLOGy Metals acquisition CORP. This prospectus supplement updates, amends and supplements the prospectus dated May 19, 2025 (the “Prospectus”), which forms a part of our Registration Statement on Form S-4 (Registration No. 333-283119) and is being filed to updat

June 26, 2025 424B3

WELSBACH TECHNOLOGy Metals acquisition CORP.

Filed pursuant to Rule 424(b)(3) Registration No. 333-283119 Prospectus Supplement No. 3 (To Prospectus dated May 19, 2025) WELSBACH TECHNOLOGy Metals acquisition CORP. This prospectus supplement updates, amends and supplements the prospectus dated May 19, 2025 (the “Prospectus”), which forms a part of our Registration Statement on Form S-4 (Registration No. 333-283119) and is being filed to updat

June 26, 2025 EX-99.1

Welsbach Technology Metals Acquisition Corp. (“WTMA”) Announces Successful Approval for its Business Combination with Evolution Metals LLC (“EM”) from the Extraordinary General Meeting of Stockholders on June 26, 2025 Important milestone to bring to

Exhibit 99.1 Welsbach Technology Metals Acquisition Corp. (“WTMA”) Announces Successful Approval for its Business Combination with Evolution Metals LLC (“EM”) from the Extraordinary General Meeting of Stockholders on June 26, 2025 Important milestone to bring to the US capital markets a fully integrated, fully operational critical minerals and materials (CMM) supply chain that is independent of Ch

June 26, 2025 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 26, 2025 Welsbach Technology Metals Acquisition Corp. (Exact Name of Registrant as Specified in Its Charter) Delaware 001-41183 87-1006702 (State or Other Jurisdiction of Incorpo

June 24, 2025 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☐ Definitive Proxy State

June 24, 2025 EX-10.1

Form of Non-Redemption Agreement (incorporated by reference to Exhibit 10.1 to Welsbach Technology Metals Acquisition Corp.’s Current Report on Form 8-K filed with the SEC on June 24, 2025).

Exhibit 10.1 NON-REDEMPTION AGREEMENT This Non-Redemption Agreement (this “Agreement”) is entered as of [●], 2025 by and among Welsbach Technology Metals Acquisition Corp. (“WTMA”), Welsbach Acquisition Holdings LLC, a Delaware limited liability company (the “Sponsor”) and the undersigned investors (collectively, the “Investor”). RECITALS WHEREAS, the Sponsor currently holds WTMA ordinary shares,

June 24, 2025 8-K

Entry into a Material Definitive Agreement, Unregistered Sales of Equity Securities, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of report (date of earliest event reported): June 20, 2025 Welsbach Technology Metals Acquisition Corp. (Exact name of registrant as specified in its charter) Delaware 001-41183 87-1006702 (State or other jurisdiction of incorpo

June 13, 2025 EX-2.1

Amendment No. 4 to Amended and Restated Merger Agreement and Plan of Merger, dated as of June 11, 2025, by and among Welsbach Technology Metals Acquisition Corp., WTMA Merger Subsidiary LLC and Evolution Metals LLC (incorporated by reference to Exhibit 2.1 to Welsbach Technology Metals Acquisition Corp.’s Current Report on Form 8-K filed with the SEC on June 13, 2025 (File No. 001-41183))

Exhibit 2.1 Amendment No. 4 to Amended and Restated Agreement and Plan of Merger Dated as of June 11, 2025 This Amendment No. 4 to Amended and Restated Agreement and Plan of Merger (this “Amendment”) is made and entered into as of the date first set forth above (the “Amendment Date”) by and among (i) Welsbach Technology Metals Acquisition Corp., a Delaware corporation (“Acquiror”), (ii) WTMA Merge

June 13, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of report (date of earliest event reported): June 11, 2025 Welsbach Technology

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of report (date of earliest event reported): June 11, 2025 Welsbach Technology Metals Acquisition Corp. (Exact name of registrant as specified in its charter) Delaware 001-41183 87-1006702 (State or other jurisdiction of incorpo

June 13, 2025 424B3

WELSBACH TECHNOLOGy Metals acquisition CORP.

Filed pursuant to Rule 424(b)(3) Registration No. 333-283119 Prospectus Supplement No. 1 (To Prospectus dated May 19, 2025) WELSBACH TECHNOLOGy Metals acquisition CORP. This prospectus supplement updates, amends and supplements the prospectus dated May 19, 2025 (the “Prospectus”), which forms a part of our Registration Statement on Form S-4 (Registration No. 333-283119) and is being filed to updat

June 13, 2025 424B3

WELSBACH TECHNOLOGy Metals acquisition CORP.

Filed pursuant to Rule 424(b)(3) Registration No. 333-283119 Prospectus Supplement No. 2 (To Prospectus dated May 19, 2025) WELSBACH TECHNOLOGy Metals acquisition CORP. This prospectus supplement updates, amends and supplements the prospectus dated May 19, 2025 (the “Prospectus”), which forms a part of our Registration Statement on Form S-4 (Registration No. 333-283119) and is being filed to updat

June 6, 2025 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☒ Definitive Proxy State

May 27, 2025 PRE 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a party other than the Registrant ☐ Check the appropriate box: ☒ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☐ Definitive Proxy State

May 20, 2025 425

FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of report (date of earliest event reported): May 19, 2025 Welsbach Technology Metals Acquisition Corp. (Exact name of registrant as specified in its c

FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of report (date of earliest event reported): May 19, 2025 Welsbach Technology Metals Acquisition Corp.

May 20, 2025 8-K

FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of report (date of earliest event reported): May 19, 2025 Welsbach Technology Metals Acquisition Corp. (Exact name of registrant as specified in its c

FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of report (date of earliest event reported): May 19, 2025 Welsbach Technology Metals Acquisition Corp.

May 20, 2025 EX-99.1

US Champion Critical Materials Supply Chain Project Zeus May 2025 Disclaimers Proprietary and Confidential | 2 This presentation has been prepared by Welsbach Technology Metals Acquisition Corp (“WTMA”) and Evolution Metals LLC (“EM”) in order to ass

Exhibit 99.1 US Champion Critical Materials Supply Chain Project Zeus May 2025 Disclaimers Proprietary and Confidential | 2 This presentation has been prepared by Welsbach Technology Metals Acquisition Corp (“WTMA”) and Evolution Metals LLC (“EM”) in order to assist interested parties in conducting their own evaluation of the proposed business combination (the “Business Combination”) of WTMA, EM a

May 20, 2025 EX-99.1

US Champion Critical Materials Supply Chain Project Zeus May 2025 Disclaimers Proprietary and Confidential | 2 This presentation has been prepared by Welsbach Technology Metals Acquisition Corp (“WTMA”) and Evolution Metals LLC (“EM”) in order to ass

Exhibit 99.1 US Champion Critical Materials Supply Chain Project Zeus May 2025 Disclaimers Proprietary and Confidential | 2 This presentation has been prepared by Welsbach Technology Metals Acquisition Corp (“WTMA”) and Evolution Metals LLC (“EM”) in order to assist interested parties in conducting their own evaluation of the proposed business combination (the “Business Combination”) of WTMA, EM a

May 19, 2025 EX-99.1

Vote by Internet - QUICK EASY IMMEDIATE - 24 Hours a Day, 7 Days a Week or by Mail YOUR VOTE IS IMPORTANT. PLEASE VOTE TODAY. WELSBACH TECHNOLOGY METALS ACQUISITION CORP. Your Internet vote authorizes the named proxies to vote your shares in the same

Exhibit 99.1 Vote by Internet - QUICK EASY IMMEDIATE - 24 Hours a Day, 7 Days a Week or by Mail YOUR VOTE IS IMPORTANT. PLEASE VOTE TODAY. WELSBACH TECHNOLOGY METALS ACQUISITION CORP. Your Internet vote authorizes the named proxies to vote your shares in the same manner as if you marked, signed and returned your proxy card . Votes submitted electronically over the Internet must be received by 11 :

May 19, 2025 EX-99.1

Vote by Internet - QUICK EASY IMMEDIATE - 24 Hours a Day, 7 Days a Week or by Mail YOUR VOTE IS IMPORTANT. PLEASE VOTE TODAY. WELSBACH TECHNOLOGY METALS ACQUISITION CORP. Your Internet vote authorizes the named proxies to vote your shares in the same

Exhibit 99.1 Vote by Internet - QUICK EASY IMMEDIATE - 24 Hours a Day, 7 Days a Week or by Mail YOUR VOTE IS IMPORTANT. PLEASE VOTE TODAY. WELSBACH TECHNOLOGY METALS ACQUISITION CORP. Your Internet vote authorizes the named proxies to vote your shares in the same manner as if you marked, signed and returned your proxy card . Votes submitted electronically over the Internet must be received by 11 :

May 19, 2025 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 19, 2025 Welsbach Technology Metals Acquisition Corp. (Exact Name of Registrant as Specified in Its Charter) Delaware 001-41183 87-1006702 (State or Other Jurisdiction of Incorpor

May 19, 2025 425

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 19, 2025 Welsbach Technology

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 19, 2025 Welsbach Technology Metals Acquisition Corp. (Exact Name of Registrant as Specified in Its Charter) Delaware 001-41183 87-1006702 (State or Other Jurisdiction of Incorpor

May 19, 2025 424B3

Filed Pursuant to Rule 424(b)(3) Registration No. 333-283119 PROXY STATEMENT OF WELSBACH TECHNOLOGY METALS ACQUISITION CORP. 4422 N. Ravenswood Ave #1025 Chicago, Illinois 60640 PROSPECTUS FOR UP TO 622,238,987 SHARES OF COMMON STOCK OF WELSBACH TECH

Filed Pursuant to Rule 424(b)(3) Registration No. 333-283119 PROXY STATEMENT OF WELSBACH TECHNOLOGY METALS ACQUISITION CORP. 4422 N. Ravenswood Ave #1025 Chicago, Illinois 60640 PROSPECTUS FOR UP TO 622,238,987 SHARES OF COMMON STOCK OF WELSBACH TECHNOLOGY METALS ACQUISITION CORP. (WHICH WILL BE RENAMED EVOLUTION METALS & TECHNOLOGIES CORP. IN CONNECTION WITH THE BUSINESS COMBINATION DESCRIBED HER

May 15, 2025 EX-99.1

Welsbach Technology Metals Acquisition Corp. (“WTMA”) and Evolution Metals LLC (“EM”) Announce Effectiveness of SEC Registration Statement Ahead of Strategic Business Combination Important milestone in the creation of a fully integrated, fully operat

Exhibit 99.1 Welsbach Technology Metals Acquisition Corp. (“WTMA”) and Evolution Metals LLC (“EM”) Announce Effectiveness of SEC Registration Statement Ahead of Strategic Business Combination Important milestone in the creation of a fully integrated, fully operational critical minerals and materials (CMM) supply chain that is independent of reliance on China Chicago, IL and St. Louis, MO – May 15,

May 15, 2025 EX-99.1

Welsbach Technology Metals Acquisition Corp. (“WTMA”) and Evolution Metals LLC (“EM”) Announce Effectiveness of SEC Registration Statement Ahead of Strategic Business Combination Important milestone in the creation of a fully integrated, fully operat

Exhibit 99.1 Welsbach Technology Metals Acquisition Corp. (“WTMA”) and Evolution Metals LLC (“EM”) Announce Effectiveness of SEC Registration Statement Ahead of Strategic Business Combination Important milestone in the creation of a fully integrated, fully operational critical minerals and materials (CMM) supply chain that is independent of reliance on China Chicago, IL and St. Louis, MO – May 15,

May 15, 2025 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2025 ☐ TRANSITION REPORT P

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2025 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 001-41183 Welsbach Tec

May 15, 2025 425

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 15, 2025 Welsbach Technology

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 15, 2025 Welsbach Technology Metals Acquisition Corp. (Exact Name of Registrant as Specified in Its Charter) Delaware 001-41183 87-1006702 (State or Other Jurisdiction of Incorpor

May 15, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 15, 2025 Welsbach Technology

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 15, 2025 Welsbach Technology Metals Acquisition Corp. (Exact Name of Registrant as Specified in Its Charter) Delaware 001-41183 87-1006702 (State or Other Jurisdiction of Incorpor

May 12, 2025 EX-23.10

Consent of Independent Auditor of KMMI INC for fiscal year 2024

Exhibit 23.10 Consent of Independent Auditor We hereby consent to the use, in this Amendment No. 4 to the Registration Statement on Form S-4 (the “Registration Statement”) of Welsbach Technology Metals Acquisition Corp., of our report dated April 21, 2025 relating to the financial statements of KMMI Inc., which appears in the Registration Statement. We also consent to the reference to our firm und

May 12, 2025 S-4/A

As filed with the Securities and Exchange Commission on May 12, 2025

As filed with the Securities and Exchange Commission on May 12, 2025 Registration No.

May 12, 2025 EX-23.11

Consent of Independent Auditor of NS World Co., Ltd. for fiscal year 2024

Exhibit 23.11 Consent of Independent Auditor We hereby consent to the use, in this Amendment No. 4 to the Registration Statement on Form S-4 (the “Registration Statement”)of Welsbach Technology Metals Acquisition Corp., of our report dated April 21, 2025 relating to the financial statements of NS World Co., Ltd., which appears in the Registration Statement. We also consent to the reference to our

May 12, 2025 EX-23.8

Consent of Independent Auditor of Handa Lab Co., Ltd. for fiscal year 2024

Exhibit 23.8 Consent of Independent Auditor We hereby consent to the use, in this Amendment No. 4 to the Registration Statement on Form S-4 (the “Registration Statement”) of Welsbach Technology Metals Acquisition Corp., of our report dated April 21, 2025 relating to the consolidated financial statements of Handa Lab Co., Ltd. and subsidiary, which appears in the Registration Statement. We also con

May 12, 2025 EX-23.7

Consent of Independent Auditor of NS World Co., Ltd. for fiscal year 2023

Exhibit 23.7 CONSENT OF INDEPENDENT AUDITORS We hereby consent to the use in this Registration Statement on Form S-4 of Welsbach Technology Metals Acquisition Corp. of our report dated November 12, 2024 relating to the financial statements of NS World Co., Ltd., which appears in this Registration Statement. We also consent to the reference to us under the heading “Experts” in such Registration Sta

May 12, 2025 EX-10.52

Form of PIPE Stock Purchase Agreement

Exhibit 10.52 Form of Stock Purchase Agreement Dated: [], 2025 Investor name: [investor name] (the “Investor”) Number of Shares: X00,000,000 (X hundred million, the “Shares”) Investment Amount: $X,000,000,000 (X billion US dollars, the “Purchase Price”) This Stock Purchase Agreement (together with all exhibits and schedules hereto, this “Agreement”) is entered into as of the date first set forth a

May 12, 2025 CORRESP

May 12, 2025

May 12, 2025 VIA EDGAR SUBMISSION U.S. Securities and Exchange Commission Division of Corporation Finance 100 F Street, N.E. Washington, DC 20549 Attn: Charles Eastman Ernest Greene Sarah Sidwell Geoffrey Kruczek Re: Welsbach Technology Metals Acquisition Corp. Amendment No. 3 Registration Statement on Form S-4 Filed on April 25, 2025 File No. 333-283119 On behalf of Welsbach Technology Metals Acq

May 12, 2025 EX-23.9

Consent of Independent Auditor of KCM Industry Co., Ltd. for fiscal year 2024

Exhibit 23.9 Consent of Independent Auditor We hereby consent to the use, in this Amendment No. 4 to the Registration Statement on Form S-4 (the “Registration Statement”) of Welsbach Technology Metals Acquisition Corp., of our report dated April 21, 2025 relating to the financial statements of KCM Industry Co., Ltd., which appears in the Registration Statement. We also consent to the reference to

May 12, 2025 CORRESP

Welsbach Technology Metals Acquisition Corp. 4422 N. Ravenswood Ave. #1025 Chicago, IL 60640

Welsbach Technology Metals Acquisition Corp. 4422 N. Ravenswood Ave. #1025 Chicago, IL 60640 May 12, 2025 VIA EDGAR SUBMISSION U.S. Securities and Exchange Commission Division of Corporation Finance 100 F Street, N.E. Washington, D.C. 20549 Attn: Charles Eastman Ernest Greene Sarah Sidwell Geoffrey Kruczek Re: Welsbach Technology Metals Acquisition Corp. Registration Statement on Form S-4 (the “Re

May 9, 2025 LETTER

LETTER

May 9, 2025 Daniel Mamadou Chief Executive Officer Welsbach Technology Metals Acquisition Corp.

April 25, 2025 EX-10.25

Form of Evolution Metals & Technologies Corp. Officers Employment Agreement.

Exhibit 10.25 Executive Employment Agreement This Executive Employment Agreement (the “Agreement”) is entered into on [], 2025, by and between Welsbach Technology Metals Acquisition Corp., a Delaware corporation to be renamed Evolution Metals & Technologies Corp. (the “Company”) and [] (the “Executive”). The Company and Executive may collectively be referred to as the “Parties” and each individual

April 25, 2025 EX-10.50

Amendment No. 1 to Share Exchange Agreement, Dated March 31, 2025, between Evolution Metals LLC and KMMI INC.

Exhibit 10.50 Execution Version Amendment TO share exchange AGREEMENT This Amendment to the Share Exchange Agreement (this “Amendment”), dated as of March 31, 2025, is made and entered into by and between: (a) EMT SUB CO., LTD., a corporation (jusik hoesa) duly organized and validly existing under the laws of the Republic of Korea (“Korea”) with its registered address at Room A02, 2nd Floor, 39, B

April 25, 2025 EX-23.11

Consent of Independent Auditor of NS World Co., Ltd. for fiscal year 2024

Exhibit 23.11 Consent of Independent Auditor We hereby consent to the use, in this Amendment No. 3 to the Registration Statement on Form S-4 (the “Registration Statement”)of Welsbach Technology Metals Acquisition Corp., of our report dated April 21, 2025 relating to the financial statements of NS World Co., Ltd., which appears in the Registration Statement. We also consent to the reference to our

April 25, 2025 EX-99.1

Form of Proxy Card for Welsbach Technology Metals Acquisition Corp.’s Special Meeting.

Exhibit 99.1 YOUR VOTE IS IMPORTANT. PLEASE VOTE TODAY. Vote by Internet - QUICK EASY IMMEDIATE - 24 Hours a Day, 7 Days a Week or by Mail WELSBACH TECHNOLOGY METALS ACQUISITION CORP. Your Internet vote authorizes the named proxies to vote your shares in the same manner as if you marked, signed and returned your proxy card . Votes submitted electronically over the Internet must be June 3, received

April 25, 2025 EX-10.51

Amendment No. 1 to Share Exchange Agreement, Dated March 31, 2025, between Evolution Metals LLC and NS World Co. Ltd.

Exhibit 10.51 Execution Version Amendment TO share exchange AGREEMENT This Amendment to the Share Exchange Agreement (this “Amendment”), dated as of March 31, 2025, is made and entered into by and between: (a) EMT SUB CO., LTD., a corporation (jusik hoesa) duly organized and validly existing under the laws of the Republic of Korea (“Korea”) with its registered address at Room A02, 2nd Floor, 39, B

April 25, 2025 EX-10.44

Form of NiCo Metals Group, LLC Lock-up Agreement.

Exhibit 10.44 SHAREHOLDER LOCK-UP AGREEMENT This Shareholder Lock-up Agreement (this “Agreement”) is dated as of [●], 2025, by and among Welsbach Technology Metals Acquisition Corp., a Delaware corporation (“Acquiror”), Evolution Metals LLC, a Delaware limited liability company (the “Company”), Welsbach Acquisition Holdings LLC, a Delaware limited liability company (the “Sponsor”), NiCo Metals Gro

April 25, 2025 EX-23.8

Consent of Independent Auditor of Handa Lab Co., Ltd. for fiscal year 2024

Exhibit 23.8 Consent of Independent Auditor We hereby consent to the use, in this Amendment No. 3 to the Registration Statement on Form S-4 (the “Registration Statement”) of Welsbach Technology Metals Acquisition Corp., of our report dated April 21, 2025 relating to the consolidated financial statements of Handa Lab Co., Ltd., which appears in the Registration Statement. We also consent to the ref

April 25, 2025 EX-10.27

Amended and Restated Agreement and Plan of Merger, dated as of March 31, 2025, by and among Welsbach Technology Metals Acquisition Corp., Evolution Metals Merger Sub 3, Inc., Critical Mineral Recovery, Inc., and NiCo Metals Group LLC. (incorporated by reference to Exhibit 10.27 to the Company’s Amendment No. 3 to the Registration Statement on Form S-4 (File No. 333-283119) filed with the SEC on April 25, 2025).

Exhibit 10.27 EXECUTION VERSION Amended and Restated Agreement and Plan of Merger by and among Welsbach Technology Metals Acquisition Corp., Evolutions Metals LLC, Evolution Metals New LLC, Evolution Metals Merger Sub 3, Inc., Critical Mineral Recovery, Inc., NiCo Metals Group LLC, Robert N. Feldman 2024 Family Irrevocable Trust, and Robert N. Feldman Revocable Trust Table of Contents Page Article

April 25, 2025 EX-10.46

Form of Restricted Stock Unit Award Agreement

Exhibit 10.46 EVOLUTION METALS & TECHNOLOGIES CORP. 2025 Equity INCENTIVE PLAN Restricted Stock Unit AWARD AGREEMENT You (the “Participant”) have been granted an award of Restricted Stock Units (the “RSUs”) under the Evolution Metals & Technologies Corp. 2025 Equity Incentive Plan, as may be amended, modified or restated from time to time (the “Plan”), subject to the terms and conditions of this R

April 25, 2025 EX-10.47

Form of Performance Stock Option Award

Exhibit 10.47 EVOLUTION METALS & TECHNOLOGIES CORP. 2025 EQUITY INCENTIVE PLAN PERFORMANCE STOCK OPTION AWARD AGREEMENT You (the “Participant”) have been granted a performance Option (the “Performance Option”) to purchase Shares, under the Evolution Metals & Technologies Corp. 2025 Equity Incentive Plan (the “Plan”) subject to the terms and conditions of this Performance Stock Option Award Agreeme

April 25, 2025 EX-FILING FEES

Filing Fee Table.

Exhibit 107 Calculation of Filing Fee Table Form S-4 (Form Type) Welsbach Technology Metals Acquisition Corp.

April 25, 2025 EX-23.7

Consent of Independent Auditor of NS World Co., Ltd. for fiscal year 2023

Exhibit 23.7 CONSENT OF INDEPENDENT AUDITORS We hereby consent to the use in this Registration Statement on Form S-4 of Welsbach Technology Metals Acquisition Corp. of our report dated November 12, 2024 relating to the financial statements of NS World Co., Ltd., which appears in this Registration Statement. We also consent to the reference to us under the heading “Experts” in such Registration Sta

April 25, 2025 EX-10.48

Amendment No. 1 to Share Exchange Agreement, Dated March 31, 2025, between Evolution Metals LLC and Handa Lab Co., Ltd.

Exhibit 10.48 Execution Version Amendment TO share exchange AGREEMENT This Amendment to the Share Exchange Agreement (this “Amendment”), dated as of March 31, 2025, is made and entered into by and between: (a) EMT SUB CO., LTD., a corporation (jusik hoesa) duly organized and validly existing under the laws of the Republic of Korea (“Korea”) with its registered address at Room A02, 2nd Floor, 39, B

April 25, 2025 S-4/A

As filed with the Securities and Exchange Commission on April 25, 2025

As filed with the Securities and Exchange Commission on April 25, 2025 Registration No.

April 25, 2025 EX-23.10

Consent of Independent Auditor of KMMI INC for fiscal year 2024

Exhibit 23.10 Consent of Independent Auditor We hereby consent to the use, in this Amendment No. 3 to the Registration Statement on Form S-4 (the “Registration Statement”) of Welsbach Technology Metals Acquisition Corp., of our report dated April 21, 2025 relating to the financial statements of KMMI Inc., which appears in the Registration Statement. We also consent to the reference to our firm und

April 25, 2025 EX-10.45

Form of Korean Company Shareholder Lock-up Agreement.

Exhibit 10.45 SHAREHOLDER LOCK-UP AGREEMENT This Shareholder Lock-up Agreement (this “Agreement”) is dated as of [], 2025, by and among Welsbach Technology Metals Acquisition Corp., a Delaware corporation (“Acquiror”), Evolution Metals LLC, a Delaware limited liability company (the “Company”), Welsbach Acquisition Holdings LLC, a Delaware limited liability company (the “Sponsor”) and the Persons s

April 25, 2025 EX-10.49

Amendment No. 1 to Share Exchange Agreement, Dated March 31, 2025, between Evolution Metals LLC and KCM Industry, Ltd.

Exhibit 10.49 Execution Version Amendment TO share exchange AGREEMENT This Amendment to the Share Exchange Agreement (this “Amendment”), dated as of March 31, 2025, is made and entered into by and between: (a) EMT SUB CO., LTD., a corporation (jusik hoesa) duly organized and validly existing under the laws of the Republic of Korea (“Korea”) with its registered address at Room A02, 2nd Floor, 39, B

April 25, 2025 EX-23.9

Consent of Independent Auditor of KCM Industry Co., Ltd. for fiscal year 2024

Exhibit 23.9 Consent of Independent Auditor We hereby consent to the use, in this Amendment No. 3 to the Registration Statement on Form S-4 (the “Registration Statement”) of Welsbach Technology Metals Acquisition Corp., of our report dated April 21, 2025 relating to the financial statements of KCM Industry Co., Ltd., which appears in the Registration Statement. We also consent to the reference to

April 25, 2025 CORRESP

Page 1 of 3

April 25, 2025 VIA EDGAR SUBMISSION U.S. Securities and Exchange Commission Division of Corporation Finance 100 F Street, N.E. Washington, DC 20549 Attn: Charles Eastman Ernest Greene Sarah Sidwell Geoffrey Kruczek Re: Welsbach Technology Metals Acquisition Corp. Amendment No. 3 Registration Statement on Form S-4 Filed on April 25, 2025 File No. 333-283119 On behalf of Welsbach Technology Metals A

April 25, 2025 EX-10.43

Form of EM Convertible Preferred Unit Holder Lock-up Agreement.

Exhibit 10.43 EQUITYHOLDER LOCK-UP AGREEMENT This Equityholder Lock-up Agreement (this “Agreement”) is dated as of [●], 2025, by and among Welsbach Technology Metals Acquisition Corp., a Delaware corporation (“Acquiror”), Evolution Metals LLC, a Delaware limited liability company (the “Company”), Welsbach Acquisition Holdings LLC, a Delaware limited liability company (the “Sponsor”) and [NAME OF T

March 25, 2025 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2024 ☐ TRANSITION REPORT PURSUA

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2024 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 001-41183 Welsbach Technolo

March 25, 2025 EX-4.9

Description of Securities.

Exhibit 4.9 DESCRIPTION OF THE REGISTRANT’S SECURITIES REGISTERED PURSUANT TO SECTION 12 OF THE SECURITIES EXCHANGE ACT OF 1934, AS AMENDED As of December 31, 2024, Welsbach Technology Metals Acquisition Corp. (“we,” “our,” “us” or the “Company”) had the following three classes of securities registered under Section 12 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”): (i) it

March 25, 2025 EX-21.1

List of Subsidiaries.

Exhibit 21.1 List of Subsidiaries of Welsbach Technology Metals Acquisition Corp. Entity Name Place of Organization WTMA Merger Subsidiary Corp.* Delaware WTMA Merger Subsidiary LLC* Delaware * 100% owned subsidiary of Welsbach Technology Metals Acquisition Corp.

February 19, 2025 LETTER

LETTER

February 19, 2025 Daniel Mamadou Chief Executive Officer Welsbach Technology Metals Acquisition Corp.

February 14, 2025 EX-2.1

Amendment No. 2 to Amended and Restated Agreement and Plan of Merger, dated as of February 10, 2025, by and among Welsbach Technology Metals Acquisition Corp., WTMA Merger Subsidiary LLC, and Evolution Metals LLC.

Exhibit 2.1 Amendment No. 2 to Amended and Restated Agreement and Plan of Merger Dated as of February 10, 2025 This Amendment No. 2 to Amended and Restated Agreement and Plan of Merger (this “Amendment”) is made and entered into as of the date first set forth above (the “Amendment Date”) by and among (i) Welsbach Technology Metals Acquisition Corp., a Delaware corporation (“Acquiror”), (ii) WTMA M

February 14, 2025 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 10, 2025 Welsbach Technology Metals Acquisition Corp. (Exact Name of Registrant as Specified in Its Charter) Delaware 001-41183 87-1006702 (State or Other Jurisdiction of Inc

February 14, 2025 EX-2.1

Amendment No. 2 to Amended and Restated Plan of Merger, dated February 10, 2025, by and among Welsbach Technology Metals Acquisition Corp., WTMA Merger Subsidiary LLC and Evolution Metals LLC (incorporated by reference to Exhibit 2.1 to the Company’s Current Report on Form 8-K filed on February 14, 2025).

Exhibit 2.1 Amendment No. 2 to Amended and Restated Agreement and Plan of Merger Dated as of February 10, 2025 This Amendment No. 2 to Amended and Restated Agreement and Plan of Merger (this “Amendment”) is made and entered into as of the date first set forth above (the “Amendment Date”) by and among (i) Welsbach Technology Metals Acquisition Corp., a Delaware corporation (“Acquiror”), (ii) WTMA M

February 14, 2025 425

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 10, 2025 Welsbach Techno

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 10, 2025 Welsbach Technology Metals Acquisition Corp. (Exact Name of Registrant as Specified in Its Charter) Delaware 001-41183 87-1006702 (State or Other Jurisdiction of Inc

February 10, 2025 EX-10.43

Form of EM Convertible Preferred Unit Holder Lock-up Agreement.

Exhibit 10.43 EQUITYHOLDER LOCK-UP AGREEMENT This Equityholder Lock-up Agreement (this “Agreement”) is dated as of [●], 2025, by and among Welsbach Technology Metals Acquisition Corp., a Delaware corporation (“Acquiror”), EVOLUTION METALS LLC, a Delaware limited liability company (the “Company”), Welsbach Acquisition Holdings LLC, a Delaware limited liability company (the “Sponsor”) and [●] (the “

February 10, 2025 EX-99.2

Consent of David Wilcox to be named as a director.

Exhibit 99.2 February 10, 2025 Welsbach Technology Metals Acquisition Corp. 4422 N. Ravenswood Ave #1025 Chicago, Illinois 60640 Consent to Reference in Proxy Statement/Prospectus Welsbach Technology Metals Acquisition Corp. (including any successor thereto, the “Company”) is filing a Registration Statement on Form S-4 with the Securities and Exchange Commission under the Securities Act of 1933, a

February 10, 2025 EX-10.25

Form of Evolution Metals & Technologies Corp. Officers Employment Agreement.

Exhibit 10.25 Executive Employment Agreement This Executive Employment Agreement (the “Agreement”) dated as of [], 2025 (the “Effective Date”), is entered into by and between Welsbach Technology Metals Acquisition Corp., a Delaware corporation to be renamed Evolution Metals & Technologies Corp. (the “Company”) and [] (the “Executive”). The Company and Executive may collectively be referred to as t

February 10, 2025 EX-23.7

Consent of Independent Auditor of NS World Co., Ltd.

Exhibit 23.7 CONSENT OF INDEPENDENT AUDITORS We hereby consent to the use in this Registration Statement on Form S-4 of Welsbach Technology Metals Acquisition Corp. of our report dated November 12, 2024 relating to the financial statements of NS World Co., Ltd., which appears in this Registration Statement. We also consent to the reference to us under the heading “Experts” in such Registration Sta

February 10, 2025 EX-10.29

Share Exchange Agreement, dated February 10, 2025, between Evolution Metals LLC and Handa Lab Co., Ltd.

Exhibit 10.29 Execution Version Share Exchange Agreement This Share Exchange Agreement (this “Agreement”) is made and entered into as of February 10, 2025, by and between: (a) EMT SUB CO., LTD., a corporation (jusik hoesa) duly organized and validly existing under the laws of the Republic of Korea (“Korea”) with its registered address at Room A02, 2nd Floor, 39, Banpo-daero 22-gil, Seocho-gu, Seou

February 10, 2025 EX-4.8

Specimen Stock Certificate of Critical Mineral Recovery, Inc

Exhibit 4.8

February 10, 2025 EX-99.3

Consent of Robin Bernstein to be named as a director.

Exhibit 99.3 February 10, 2025 Welsbach Technology Metals Acquisition Corp. 4422 N. Ravenswood Ave #1025 Chicago, Illinois 60640 Consent to Reference in Proxy Statement/Prospectus Welsbach Technology Metals Acquisition Corp. (including any successor thereto, the “Company”) is filing a Registration Statement on Form S-4 with the Securities and Exchange Commission under the Securities Act of 1933, a

February 10, 2025 EX-10.28

Form of Korean Company Shareholder Side Letter.

Exhibit 10.28 SIDE LETTER AGREEMENT Reference is hereby made to that certain Share Exchange Agreement, dated as of February [], 2025 (the “Share Exchange Agreement”), by and between EMT Sub Co., Ltd., a corporation (jusik hoesa) duly organized and validly existing under the laws of the Republic of Korea with its registered address at Room A02, 2nd Floor, 39, Banpo-daero 22-gil, Seocho-gu, Seoul, R

February 10, 2025 EX-FILING FEES

Filing Fee Table.

Exhibit 107 Calculation of Filing Fee Table Form S-4 (Form Type) Welsbach Technology Metals Acquisition Corp.

February 10, 2025 EX-10.30

Share Exchange Agreement, dated February 10, 2025, between Evolution Metals LLC and KCM Industry, Ltd.

Exhibit 10.30 Execution Version Share Exchange Agreement This Share Exchange Agreement (this “Agreement”) is made and entered into as of February 10, 2025, by and between: (a) EMT SUB CO., LTD., a corporation (jusik hoesa) duly organized and validly existing under the laws of the Republic of Korea (“Korea”) with its registered address at Room A02, 2nd Floor, 39, Banpo-daero 22-gil, Seocho-gu, Seou

February 10, 2025 EX-99.7

Consent of Thomas Stoddard to be named as a director.

Exhibit 99.7 February 10, 2025 Welsbach Technology Metals Acquisition Corp. 4422 N. Ravenswood Ave #1025 Chicago, Illinois 60640 Consent to Reference in Proxy Statement/Prospectus Welsbach Technology Metals Acquisition Corp. (including any successor thereto, the “Company”) is filing a Registration Statement on Form S-4 with the Securities and Exchange Commission under the Securities Act of 1933, a

February 10, 2025 EX-10.44

Form of NiCo Metals Group, LLC Lock-up Agreement.

Exhibit 10.44 SHAREHOLDER LOCK-UP AGREEMENT This Shareholder Lock-up Agreement (this “Agreement”) is dated as of [●], 2025, by and among Welsbach Technology Metals Acquisition Corp., a Delaware corporation (“Acquiror”), EVOLUTION METALS LLC, a Delaware limited liability company (the “Company”), Welsbach Acquisition Holdings LLC, a Delaware limited liability company (the “Sponsor”), NiCo Metals Gro

February 10, 2025 EX-10.31

Share Exchange Agreement, dated February 10, 2025, between Evolution Metals LLC and NS World Co., Ltd.

Exhibit 10.31 Execution Version Share Exchange Agreement This Share Exchange Agreement (this “Agreement”) is made and entered into as of February 10, 2025, by and between: (a) EMT SUB CO., LTD., a corporation (jusik hoesa) duly organized and validly existing under the laws of the Republic of Korea (“Korea”) with its registered address at Room A02, 2nd Floor, 39, Banpo-daero 22-gil, Seocho-gu, Seou

February 10, 2025 EX-3.14

Articles of Incorporation of KMMI INC.

Exhibit 3.14 Articles of Incorporation Enacted on July 27, 2021 Revised on June 21, 2022 Revised on August 8, 2022 KMMI INC. Table of Contents 제 1 장 General rules 1 제1조 [Main name] 1 제2조 [Purpose] 1 제3조 [Installation of the location and branches of the headquarters] 2 제4조 [How to announce it] 2 제 2 장 Stocks 2 제5조 [Total number of shares to be issued by the company] 2 제6조 [1 share amount] 3 제7조 [To

February 10, 2025 EX-10.42

CMR Advance Agreement, dated September 6, 2024, between Evolution Metals LLC and Critical Mineral Recovery, Inc.

Exhibit 10.42 TRANSACTIONAL ADVANCE AGREEMENT This Transactional Advance Agreement (“Agreement”) is made and entered into this 6th day of September, 2024, by and between Evolution Metals LLC (“EMT”) and Critical Mineral Recovery, Inc. (“CMR”). WITNESSETH: WHEREAS, EMT and the beneficial owner of CMR previously entered into an agreement (“Prior Agreement”) for the purchase of all shares of CMR by E

February 10, 2025 EX-4.7

Specimen Convertible Preferred Unit Certificate of Evolution Metals LLC.

Exhibit 4.7 THE SECURITIES REPRESENTED BY THIS AGREEMENT HAVE NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE “ACT”), OR UNDER THE SECURITIES LAWS OF ANY STATES IN THE UNITED STATES. THE SECURITIES REPRESENTED BY THIS AGREEMENT ARE SUBJECT TO RESTRICTIONS ON TRANSFERABILITY AND RESALE AND MAY NOT BE TRANSFERRED OR RESOLD EXCEPT AS PERMITTED UNDER THE ACT AND THE APPLICABLE ST

February 10, 2025 EX-3.12

Articles of Incorporation of Handa Lab Co., Ltd.

Exhibit 3.12 Appendix 1> Articles of Incorporation Chapter 1 General Provisions Article 1 (Main name) The company is called” Handalab Co., Ltd.” Article 2 (Purpose) Our company aims to conduct the following business. 1. Industrial Robot System manufacturing and City, retail 1. Intelligent Robot System manufacturing and City, retail 1. Automatic measurement Control device System manufacturing and C

February 10, 2025 EX-99.6

Consent of Christopher Miller to be named as a director.

Exhibit 99.6 February 10, 2025 Welsbach Technology Metals Acquisition Corp. 4422 N. Ravenswood Ave #1025 Chicago, Illinois 60640 Consent to Reference in Proxy Statement/Prospectus Welsbach Technology Metals Acquisition Corp. (including any successor thereto, the “Company”) is filing a Registration Statement on Form S-4 with the Securities and Exchange Commission under the Securities Act of 1933, a

February 10, 2025 EX-99.5

Consent of Mark Matthews to be named as a director.

Exhibit 99.5 February 10, 2025 Welsbach Technology Metals Acquisition Corp. 4422 N. Ravenswood Ave #1025 Chicago, Illinois 60640 Consent to Reference in Proxy Statement/Prospectus Welsbach Technology Metals Acquisition Corp. (including any successor thereto, the “Company”) is filing a Registration Statement on Form S-4 with the Securities and Exchange Commission under the Securities Act of 1933, a

February 10, 2025 EX-3.15

Articles of Incorporation of NS World Co., Ltd.

Exhibit 3.15 Articles of Incorporation NS World Co., Ltd. Chapter 1 General Provisions Article 1 (Main name) This Company is called NS World Co., Ltd. Article 2 (Purpose) The purpose of this company is to manage the following businesses: 1. Magnet manufacturing and import/export business 1. Magnet-related electronic components manufacturing industry 1. MAGNET ASS.Y manufacturing 1. Electromagnetic

February 10, 2025 EX-10.27

Agreement and Plan of Merger, dated as of February 10, 2025, by and among Welsbach Technology Metals Acquisition Corp., Evolution Metals Merger Sub 3, Inc., Critical Mineral Recovery, Inc., and NiCo Metals Group LLC (incorporated by reference to Exhibit 10.27 to WTMA’s Amendment No. 2 to the Registration Statement on Form S-4 filed with the SEC on February 10 , 2025 (Registration No. 333-283119)).

Exhibit 10.27 Agreement and Plan of Merger by and among Welsbach Technology Metals Acquisition Corp., Evolution Metals New LLC, Evolution Metals Merger Sub 3, Inc., Evolution Metals Merger Sub 4, LLC, Critical Mineral Recovery, Inc., NiCo Metals Group LLC, Robert N. Feldman 2024 Family Irrevocable Trust, Robert N. Feldman Revocable Trust, Andrea S. Feldman, and Robert N. Feldman Table of Contents

February 10, 2025 EX-3.13

Articles of Incorporation of KCM Industry Co., Ltd.

Exhibit 3.13 Articles of Incorporation of KCM Industry Co., Ltd. 제 1 장 General Provisions 제 1 조 (Main name) The name of this company is KCM Industry Co., Ltd. 제 2 조 (Purpose) The purpose of this company is to conduct the following business. 1. Sales and wholesale/retail of electrical and electronic components 1. Electrical and electronic components trading business 1. Electrical and electronic com

February 10, 2025 EX-10.32

Investment Agreement, dated June 14, 2024, between Camston Wrather LLC and Evolution Metals LLC.

Exhibit 10.32 Execution Version Share Exchange Agreement This Share Exchange Agreement (this “Agreement”) is made and entered into as of February 10, 2025, by and between: (a) EMT SUB CO., LTD., a corporation (jusik hoesa) duly organized and validly existing under the laws of the Republic of Korea (“Korea”) with its registered address at Room A02, 2nd Floor, 39, Banpo-daero 22-gil, Seocho-gu, Seou

February 10, 2025 S-4/A

As filed with the Securities and Exchange Commission on February 10, 2025

As filed with the Securities and Exchange Commission on February 10, 2025 Registration No.

February 10, 2025 EX-3.11

Bylaws of Critical Mineral Recovery, Inc.

Exhibit 3.11 BYLAWS OF CRITICAL MINERAL RECOVERY, INC. INCORPORATED UNDER THE LAWS OF MISSOURI Adopted January 26, 2022 BYLAWS OF CRITICAL MINERAL RECOVERY, INC. ARTICLE I Offices 1. Registered Office. The registered office of the Critical Mineral Recovery, Inc. (the “Corporation”) shall be located within the State of Missouri as set forth in the Corporation's Articles of Incorporation. The Board

February 10, 2025 EX-10.45

Form of Korean Company Shareholder Lock-up Agreement.

Exhibit 10.45 SHAREHOLDER LOCK-UP AGREEMENT This Shareholder Lock-up Agreement (this “Agreement”) is dated as of [], 2025, by and among Welsbach Technology Metals Acquisition Corp., a Delaware corporation (“Acquiror”), EVOLUTION METALS LLC, a Delaware limited liability company (the “Company”), Welsbach Acquisition Holdings LLC, a Delaware limited liability company (the “Sponsor”) and the Persons s

February 10, 2025 EX-10.26

Form of Indemnification Agreement of Evolution Metals & Technologies Corp. Directors and Officers.

Exhibit 10.26 Evolution Metals & Technologies Corp. Indemnification Agreement Dated as of [], 2025 This Indemnification Agreement (the “Agreement”) dated as of the date first set forth above (the “Effective Date”) is entered into by and between Welsbach Technology Metals Acquisition Corp., a Delaware corporation to be renamed Evolution Metals & Technologies Corp. (the “Company”) and [] (the “Indem

February 10, 2025 EX-3.10

Articles of Incorporation of Critical Mineral Recovery, Inc.

Exhibit 3.10

February 10, 2025 EX-99.1

Form of Proxy Card for Welsbach Technology Metals Acquisition Corp.’s Special Meeting.

Exhibit 99.1 Vote by Internet - QUICK EASY IMMEDIATE - 24 Hours a Day, 7 Days a Week or by Mail YOUR VOTE IS IMPORTANT. PLEASE VOTE TODAY. WELSBACH TECHNOLOGY METALS ACQUISITION CORP. Your Internet vote authorizes the named proxies to vote your shares in the same manner as if you marked, signed and returned your proxy card . Votes submitted electronically over the Internet must be received by 11 :

February 10, 2025 CORRESP

Page 1 of 9

February 10, 2025 VIA EDGAR SUBMISSION U.S. Securities and Exchange Commission Division of Corporation Finance 100 F Street, N.E. Washington, DC 20549 Attn: Charles Eastman Ernest Greene Sarah Sidwell Geoffrey Kruczek Re: Welsbach Technology Metals Acquisition Corp. Amendment No. 2 Registration Statement on Form S-4 Filed on February 10, 2025 File No. 333-283119 On behalf of Welsbach Technology Me

February 10, 2025 EX-99.4

Consent of Christopher Hansen to be named as a director.

Exhibit 99.4 February 10, 2025 Welsbach Technology Metals Acquisition Corp. 4422 N. Ravenswood Ave #1025 Chicago, Illinois 60640 Consent to Reference in Proxy Statement/Prospectus Welsbach Technology Metals Acquisition Corp. (including any successor thereto, the “Company”) is filing a Registration Statement on Form S-4 with the Securities and Exchange Commission under the Securities Act of 1933, a

February 7, 2025 LETTER

LETTER

February 7, 2025 Daniel Mamadou Chief Executive Officer Welsbach Technology Metals Acquisition Corp.

January 24, 2025 EX-16.2

Letter of Samil PricewaterhouseCoopers relating to KCM Industry Co., Ltd.

Exhibit 16.2 January 24, 2025 Securities and Exchange Commission 100 F Street, N.E. Washington, DC 20549 Commissioners: We have read the statements made by KCM Industry Co., Ltd., pursuant to Item 304(a)(1) of Regulation S-K (copy attached), which we understand will be filed with the Securities and Exchange Commission as part of the Registration Statement on Form S-4 of Welsbach Technology Metals

January 24, 2025 425

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of report (date of earliest event reported): January 24, 2025 Welsbach Technol

Filed by Welsbach Technology Metals Acquisition Corp. pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: Welsbach Technology Metals Acquisition Corp. Registration No.: 333-283119 Date: January 24, 2025 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT

January 24, 2025 EX-99.1

January 2025 US Champion Critical Materials Supply Chain Project Zeus 2 Proprietary and Confidential | Disclaimer - Cautionary Statement Regarding Forward - Looking Statements This presentation has been prepared by Welsbach Technology Metals Acquisit

Exhibit 99.1 January 2025 US Champion Critical Materials Supply Chain Project Zeus 2 Proprietary and Confidential | Disclaimer - Cautionary Statement Regarding Forward - Looking Statements This presentation has been prepared by Welsbach Technology Metals Acquisition Corp (“WTMA”) and Evolution Metals LLC (“EM”) in order to assist interested parties in conducting their own evaluation of the propose

January 24, 2025 EX-16.3

Letter of Samil PricewaterhouseCoopers relating to KMMI Inc.

Exhibit 16.3 January 24, 2025 Securities and Exchange Commission 100 F Street, N.E. Washington, DC 20549 Commissioners: We have read the statements made by KMMI Inc., pursuant to Item 304(a)(1) of Regulation S-K (copy attached), which we understand will be filed with the Securities and Exchange Commission as part of the Registration Statement on Form S-4 of Welsbach Technology Metals Acquisition C

January 24, 2025 CORRESP

Page 1 of 17

Welsbach Technology Metals Acquisition Corp. January 24, 2025 VIA EDGAR SUBMISSION U.S. Securities and Exchange Commission Office of Manufacturing Division of Corporation Finance 100 F Street, N.E. Washington, DC 20549 Attn: Charles Eastman Ernest Greene Sarah Sidwell Geoffrey Kruczek Re: Welsbach Technology Metals Acquisition Corp. Amendment No. 1 Registration Statement on Form S-4 Filed on Janua

January 24, 2025 EX-23.7

Consent of Independent Auditor of NS World Co., Ltd.

Exhibit 23.7 CONSENT OF INDEPENDENT AUDITORS We hereby consent to the use in this Registration Statement on Form S-4 of Welsbach Technology Metals Acquisition Corp. of our report dated November 12, 2024 relating to the financial statements of NS World Co., Ltd., which appears in this Registration Statement. We also consent to the reference to us under the heading “Experts” in such Registration Sta

January 24, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of report (date of earliest event reported): January 24, 2025 Welsbach Technol

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of report (date of earliest event reported): January 24, 2025 Welsbach Technology Metals Acquisition Corp. (Exact name of registrant as specified in its charter) Delaware 001-41183 87-1006702 (State or other jurisdiction of inco

January 24, 2025 EX-10.27

Investment Agreement, as amended through November 4, 2024, between Robert N. Feldman Revocable Living Trust or yet to be created irrevocable trust or trusts, Evolution Metals LLC and Robert N. Feldman.

Exhibit 10.27 Strictly Private and Confidential 4 November 2024 To: Robert N. Feldman Revocable Living Trust Robert N. Feldman, Trustee From: Evolution Metals LLC David Wilcox, Managing Member Page 1 of 13 INVESTMENT AGREEMENT THIS INVESTMENT AGREEMENT (the “Agreement”) is made and entered into this 4th day of November 2024 (the “Execution Date”), BETWEEN: Robert N. Feldman Revocable Living Trust

January 24, 2025 EX-16.4

Letter of Samil PricewaterhouseCoopers relating to NS World Co., Ltd.

Exhibit 16.4 January 24, 2025 Securities and Exchange Commission 100 F Street, N.E. Washington, DC 20549 Commissioners: We have read the statements made by NS World Co., Ltd., pursuant to Item 304(a)(1) of Regulation S-K (copy attached), which we understand will be filed with the Securities and Exchange Commission as part of the Registration Statement on Form S-4 of Welsbach Technology Metals Acqu

January 24, 2025 EX-10.38

Working Capital Note, dated December 30, 2024, between Welsbach Technology Metals Acquisition Corp. and Welsbach Acquisition Holdings LLC.

Exhibit 10.38 PROMISSORY NOTE, DATED 30 DECEMBER 2024, ISSUED TO WELSBACH ACQUISITION HOLDINGS LLC THIS PROMISSORY NOTE (“NOTE”) HAS NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE “SECURITIES ACT”). THIS NOTE HAS BEEN ACQUIRED FOR INVESTMENT ONLY AND MAY NOT BE SOLD, TRANSFERRED OR ASSIGNED IN THE ABSENCE OF REGISTRATION OF THE RESALE THEREOF UNDER THE SECURITIES ACT OR AN O

January 24, 2025 EX-FILING FEES

Filing Fee Table.

Exhibit 107 Calculation of Filing Fee Table Form S-4 (Form Type) Welsbach Technology Metals Acquisition Corp.

January 24, 2025 S-4/A

As filed with the Securities and Exchange Commission on January 24, 2025

As filed with the Securities and Exchange Commission on January 24, 2025 Registration No.

January 24, 2025 EX-99.1

January 2025 US Champion Critical Materials Supply Chain Project Zeus 2 Proprietary and Confidential | Disclaimer - Cautionary Statement Regarding Forward - Looking Statements This presentation has been prepared by Welsbach Technology Metals Acquisit

Exhibit 99.1 January 2025 US Champion Critical Materials Supply Chain Project Zeus 2 Proprietary and Confidential | Disclaimer - Cautionary Statement Regarding Forward - Looking Statements This presentation has been prepared by Welsbach Technology Metals Acquisition Corp (“WTMA”) and Evolution Metals LLC (“EM”) in order to assist interested parties in conducting their own evaluation of the propose

January 24, 2025 EX-10.40

Interco Master Trade Agreement, dated January 13, 2025, between Interco Trading, Inc. and Evolution Metals LLC.

Exhibit 10.40 MASTER TRADE AGREEMENT dated as of 13 January 2025 INTERCO TRADING, INC. and EVOLUTION METALS LLC anticipate entering into one or more transactions (each a “Transaction”) that will be governed by this Master Trade Agreement, which includes the schedule (the “Schedule”), and the documents and other confirming evidence (each a “Confirmation”) to be exchanged between the parties or othe

January 24, 2025 EX-16.1

Letter of Samil PricewaterhouseCoopers relating to Handa Lab Co., Ltd.

Exhibit 16.1 January 24, 2025 Securities and Exchange Commission 100 F Street, N.E. Washington, DC 20549 Commissioners: We have read the statements made by Handa Lab Co., Ltd., pursuant to Item 304(a)(1) of Regulation S-K (copy attached), which we understand will be filed with the Securities and Exchange Commission as part of the Registration Statement on Form S-4 of Welsbach Technology Metals Acq

January 14, 2025 8-K

United States SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 January 6, 2025 (December 31, 2024) Date of Report (Date of earliest event reported

United States SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 January 6, 2025 (December 31, 2024) Date of Report (Date of earliest event reported) Welsbach Technology Metals Acquisition Corp. (Exact Name of Registrant as Specified in its Charter) Delaware 001-41183 87-1006702 (State or other ju

December 10, 2024 LETTER

LETTER

December 10, 2024 Daniel Mamadou Chief Executive Officer Welsbach Technology Metals Acquisition Corp.

November 19, 2024 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2024 ☐ TRANSITION REPO

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2024 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 001-41183 Welsbach

November 14, 2024 EX-99.1

JOINT FILING AGREEMENT PURSUANT TO RULE 13d-1(k)

EXHIBIT 99.1 JOINT FILING AGREEMENT PURSUANT TO RULE 13d-1(k) The undersigned acknowledge and agree that the foregoing statement on Schedule 13G is filed on behalf of each of the undersigned and that all subsequent amendments to this statement on Schedule 13G shall be filed on behalf of each of the undersigned without the necessity of filing additional joint filing agreements. The undersigned ackn

November 14, 2024 EX-99.1

Evolution Metals LLC and Welsbach Technology Metals Acquisition Corp Announce Filing of Registration Statement on Form S-4 Related to Proposed Business Combination

Exhibit 99.1 Evolution Metals LLC and Welsbach Technology Metals Acquisition Corp Announce Filing of Registration Statement on Form S-4 Related to Proposed Business Combination Chicago, IL, Nov. 14, 2024 (GLOBE NEWSWIRE) - Welsbach Technology Metals Acquisition Corp. (NASDAQ: WTMA) and Evolution Metals LLC have announced they have filed a registration statement on Form S-4 with the U.S. Securities

November 14, 2024 NT 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 12b-25 NOTIFICATION OF LATE FILING (Commission File Number) (Check One): ☐ Form 10-K ☐ Form 20-F ☐ Form 11-K ☒ Form 10-Q ☐ Form 10-D ☐ Form N-CEN ☐ Form N-CSR

NT 10-Q 1 ea0221023-nt10qwelsbach.htm NOTIFICATION OF LATE FILING UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 12b-25 NOTIFICATION OF LATE FILING 001-41183 (Commission File Number) (Check One): ☐ Form 10-K ☐ Form 20-F ☐ Form 11-K ☒ Form 10-Q ☐ Form 10-D ☐ Form N-CEN ☐ Form N-CSR For Period Ended: September 30, 2024 ☐ Transition Report on Form 10-K ☐ Transition Repor

November 14, 2024 EX-99.1

Evolution Metals LLC and Welsbach Technology Metals Acquisition Corp Announce Filing of Registration Statement on Form S-4 Related to Proposed Business Combination

Exhibit 99.1 Evolution Metals LLC and Welsbach Technology Metals Acquisition Corp Announce Filing of Registration Statement on Form S-4 Related to Proposed Business Combination Chicago, IL, Nov. 14, 2024 (GLOBE NEWSWIRE) - Welsbach Technology Metals Acquisition Corp. (NASDAQ: WTMA) and Evolution Metals LLC have announced they have filed a registration statement on Form S-4 with the U.S. Securities

November 14, 2024 425

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 14, 2024 Welsbach Techno

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 14, 2024 Welsbach Technology Metals Acquisition Corp. (Exact Name of Registrant as Specified in Its Charter) Delaware 001-41183 87-1006702 (State or Other Jurisdiction of Inc

November 14, 2024 SC 13G/A

WTMA / Welsbach Technology Metals Acquisition Corp. / Polar Asset Management Partners Inc. - WELSBACH Passive Investment

SC 13G/A 1 Welsbach.txt WELSBACH Securities and Exchange Commission, Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No. 3)* (Name of Issuer) Welsbach Technology Metals Acquisition Corp. (Title of Class of Securities) Common Stock, $0.0001 par value per share (CUSIP Number) 950415109 (Date of Event Which Requires Filing of this Statement) 09/30/2024 Check t

November 14, 2024 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 14, 2024 Welsbach Technology Metals Acquisition Corp. (Exact Name of Registrant as Specified in Its Charter) Delaware 001-41183 87-1006702 (State or Other Jurisdiction of Inc

November 13, 2024 425

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 6, 2024 Welsbach Technol

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 6, 2024 Welsbach Technology Metals Acquisition Corp. (Exact Name of Registrant as Specified in Its Charter) Delaware 001-41183 87-1006702 (State or Other Jurisdiction of Inco

November 13, 2024 EX-10.1

Company Equityholder Support and Lock-Up Agreement, dated as of November 6, 2024, by and between William David Wilcox Jr., Welsach Technology Metals Acquisition Corp., Welsbach Acquisition Holdings LLC, and Evolution Metals LLC.

Exhibit 10.1 Execution Version COMPANY EQUITYHOLDER SUPPORT AND LOCK-UP AGREEMENT This Company Equityholder Support and Lock-up Agreement (this “Agreement”) is dated as of November 6, 2024, by and among Welsbach Technology Metals Acquisition Corp., a Delaware corporation (“Acquiror”), EVOLUTION METALS LLC, a Delaware limited liability company (the “Company”), Welsbach Acquisition Holdings LLC, a D

November 13, 2024 EX-2.1

Amended and Restated Agreement and Plan of Merger, dated as of November 6, 2024, by and among Welsbach Technology Metals Acquisition Corp., WTMA Merger Subsidiary LLC, and Evolution Metals LLC.

Exhibit 2.1 Execution version AMENDED AND RESTATED AGREEMENT AND PLAN OF MERGER by and among WELSBACH TECHNOLOGY METALS ACQUISITION CORP., WTMA MERGER SUBSIDIARY LLC, and EVOLUTION METALS LLC Dated as of November 6, 2024 Table of Contents Page Article I CERTAIN DEFINITIONS 5 Section 1.1 Definitions 5 Section 1.2 Construction 18 Section 1.3 Knowledge 19 Article II THE MERGER; CLOSING 19 Section 2.1

November 13, 2024 EX-10.2

Sponsor Support and Lock-Up Agreement, dated as of November 6, 2024, by and among Welsbach Technology Metals Acquisition Corp., Welsbach Acquisition Holdings LLC, Evolution Metals LLC and the persons set forth in Schedule I thereto.

Exhibit 10.2 Execution Version SPONSOR SUPPORT AND LOCK-UP AGREEMENT This Sponsor Support and Lock-up Agreement (this “Agreement”) is dated as of November 6, 2024, by and among Welsbach Technology Metals Acquisition Corp., a Delaware corporation (“Acquiror”), EVOLUTION METALS LLC, a Delaware limited liability company (the “Company”), Welsbach Acquisition Holdings LLC, a Delaware limited liability

November 13, 2024 EX-2.2

Amendment No. 1 to Amended and Restated Merger Agreement and Plan of Merger, dated as of November 11, 2024, by and among Welsbach Technology Metals Acquisition Corp., WTMA Merger Subsidiary LLC, and Evolution Metals LLC.

Exhibit 2.2 Amendment No. 1 to Amended and Restated Agreement and Plan of Merger Dated as of November 11, 2024 This Amendment No. 1 to Amended and Restated Agreement and Plan of Merger (this “Amendment”) is made and entered into as of the date first set forth above (the “Amendment Date”) by and among (i) Welsbach Technology Metals Acquisition Corp., a Delaware corporation (“Acquiror”), (ii) WTMA M

November 13, 2024 EX-10.1

Company Equityholder Support and Lock-Up Agreement, dated as of November 6, 2024, by and between William David Wilcox Jr., Welsach Technology Metals Acquisition Corp., Welsbach Acquisition Holdings LLC, and Evolution Metals LLC.

Exhibit 10.1 Execution Version COMPANY EQUITYHOLDER SUPPORT AND LOCK-UP AGREEMENT This Company Equityholder Support and Lock-up Agreement (this “Agreement”) is dated as of November 6, 2024, by and among Welsbach Technology Metals Acquisition Corp., a Delaware corporation (“Acquiror”), EVOLUTION METALS LLC, a Delaware limited liability company (the “Company”), Welsbach Acquisition Holdings LLC, a D

November 13, 2024 EX-2.1

Amended and Restated Agreement and Plan of Merger, dated as of November 6, 2024, by and among Welsbach Technology Metals Acquisition Corp., WTMA Merger Subsidiary LLC, and Evolution Metals LLC.

Exhibit 2.1 Execution version AMENDED AND RESTATED AGREEMENT AND PLAN OF MERGER by and among WELSBACH TECHNOLOGY METALS ACQUISITION CORP., WTMA MERGER SUBSIDIARY LLC, and EVOLUTION METALS LLC Dated as of November 6, 2024 Table of Contents Page Article I CERTAIN DEFINITIONS 5 Section 1.1 Definitions 5 Section 1.2 Construction 18 Section 1.3 Knowledge 19 Article II THE MERGER; CLOSING 19 Section 2.1

November 13, 2024 EX-2.2

Amendment No. 1 to Amended and Restated Merger Agreement and Plan of Merger, dated as of November 11, 2024, by and among Welsbach Technology Metals Acquisition Corp., WTMA Merger Subsidiary LLC, and Evolution Metals LLC.

Exhibit 2.2 Amendment No. 1 to Amended and Restated Agreement and Plan of Merger Dated as of November 11, 2024 This Amendment No. 1 to Amended and Restated Agreement and Plan of Merger (this “Amendment”) is made and entered into as of the date first set forth above (the “Amendment Date”) by and among (i) Welsbach Technology Metals Acquisition Corp., a Delaware corporation (“Acquiror”), (ii) WTMA M

November 13, 2024 EX-10.2

Sponsor Support and Lock-Up Agreement, dated as of November 6, 2024, by and among Welsbach Technology Metals Acquisition Corp., Welsbach Acquisition Holdings LLC, Evolution Metals LLC and the persons set forth in Schedule I thereto.

Exhibit 10.2 Execution Version SPONSOR SUPPORT AND LOCK-UP AGREEMENT This Sponsor Support and Lock-up Agreement (this “Agreement”) is dated as of November 6, 2024, by and among Welsbach Technology Metals Acquisition Corp., a Delaware corporation (“Acquiror”), EVOLUTION METALS LLC, a Delaware limited liability company (the “Company”), Welsbach Acquisition Holdings LLC, a Delaware limited liability

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