TGLS / Tecnoglass Inc. - Pengajuan SECLaporan Tahunan, Pernyataan Proksi

CREDIT AGREEMENT dated as of September 4, 2025, by and among TECNOGLASS INC., TECNO RE, LLC, GM&P CONSULTING AND GLAZING CONTRACTORS, INC, E.S. WINDOWS, LLC, C.I. ENERGIA SOLAR S.A.S. E.S. WINDOWS, TECNOGLASS S.A.S., as Borrowers, THE LENDERS REFERRE

Exhibit 10.1 Published CUSIP Number: G8726EAD0 $500,000,000 CREDIT AGREEMENT dated as of September 4, 2025, by and among TECNOGLASS INC., TECNO RE, LLC, GM&P CONSULTING AND GLAZING CONTRACTORS, INC, E.S. WINDOWS, LLC, C.I. ENERGIA SOLAR S.A.S. E.S. WINDOWS, and TECNOGLASS S.A.S., as Borrowers, THE LENDERS REFERRED TO HEREIN, as Lenders, and WELLS FARGO BANK, NATIONAL ASSOCIATION, as Administrative

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 4, 2025 TECNOGLASS INC.

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 4, 2025 TECNOGLASS INC. (Exact Name of Registrant as Specified in Charter) Cayman Islands 001-35436 98-1271120 (State or Other Jurisdiction (Commission (IRS Employer of Inco

Tecnoglass Increases Availability under Revolving Credit Facility and Extends Maturity Date to 2030 - Facility Increases to $500 million from $150mm, Providing Signficant Financial Flexibility for Growth and Capital Allocation - - Reduces All-In Borr

Exhibit 99.1 Tecnoglass Increases Availability under Revolving Credit Facility and Extends Maturity Date to 2030 - Facility Increases to $500 million from $150mm, Providing Signficant Financial Flexibility for Growth and Capital Allocation - - Reduces All-In Borrowing Costs by 25 Basis Points Across All Pricing Tiers While Extending Maturity to 2030 - - Net Debt to Adjusted EBITDA Ratio Remains at

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): August 7, 2025 TECNOGLASS INC. (E

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): August 7, 2025 TECNOGLASS INC. (Exact Name of Registrant as Specified in Charter) Cayman Islands 001-35436 98-1271120 (State or Other Jurisdiction (Commission (IRS Employer of Incorpo

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

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: 001-35436 TECNOGLASS IN

Tecnoglass Reports Record Second Quarter 2025 Results - Record Quarterly Revenue of $255.5 Million, Up 16.3% Year-Over-Year with Double Digit Organic Growth in Both Single-Family Residential and Multi-Family/Commercial Businesses - - Single-Family Re

Exhibit 99.1 Tecnoglass Reports Record Second Quarter 2025 Results - Record Quarterly Revenue of $255.5 Million, Up 16.3% Year-Over-Year with Double Digit Organic Growth in Both Single-Family Residential and Multi-Family/Commercial Businesses - - Single-Family Residential Revenue Achieved a Second Quarter Record of $109.6 Million, Up 14.5% Year-Over-Year - - Single-Family Residential Orders Grew 2

Tecnoglass Announces Second Quarter 2025 Dividend

Exhibit 99.1 Tecnoglass Announces Second Quarter 2025 Dividend Miami, FL – June 10, 2025 - Tecnoglass, Inc. (NYSE: TGLS) (“Tecnoglass” or the “Company”), a leading producer of high-end aluminum and vinyl windows and architectural glass for the global residential and commercial end markets, today announced that its Board of Directors has declared a quarterly dividend of $0.15 per share, or $0.60 pe

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 10, 2025 TECNOGLASS INC. (Ex

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 10, 2025 TECNOGLASS INC. (Exact Name of Registrant as Specified in Charter) Cayman Islands 001-35436 98-1271120 (State or Other Jurisdiction (Commission (IRS Employer of Incorpor

Tecnoglass Reports Record First Quarter 2025 Results - Record First Quarter Revenue of $222.3 Million, Up 15.4% Year-Over-Year Driven Entirely by Double Digit Organic Growth in Both Residential and Multi-Family/Commercial Projects - - Single-Family R

Exhibit 99.1 Tecnoglass Reports Record First Quarter 2025 Results - Record First Quarter Revenue of $222.3 Million, Up 15.4% Year-Over-Year Driven Entirely by Double Digit Organic Growth in Both Residential and Multi-Family/Commercial Projects - - Single-Family Residential Revenue Increased to a First Quarter Record $88.9 Million, Up 21.6% Year-Over-Year - - Gross Margin of 43.9%, Up 510 Basis Poi

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 8, 2025 TECNOGLASS INC. (Exac

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 8, 2025 TECNOGLASS INC. (Exact Name of Registrant as Specified in Charter) Cayman Islands 001-35436 98-1271120 (State or Other Jurisdiction (Commission (IRS Employer of Incorporat

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

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: 001-35436 TECNOGLASS I

Other Events, 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): March 12, 2025 TECNOGLASS INC. (Exact Name of Registrant as Specified in Charter) Cayman Islands 001-35436 98-1271120 (State or Other Jurisdiction (Commission (IRS Employer of Incorpo

Tecnoglass Announces First Quarter 2025 Dividend

Exhibit 99.1 Tecnoglass Announces First Quarter 2025 Dividend Miami, FL – March 12, 2025 - Tecnoglass, Inc. (NYSE: TGLS) (“Tecnoglass” or the “Company”), a leading producer of high-end aluminum and vinyl windows and architectural glass for the global residential and commercial end markets, today announced that its Board of Directors has declared a quarterly dividend of $0.15 per share, or $0.60 pe

List of subsidiaries.

Exhibit 21 Name of Subsidiary Description C.I. Energía Solar S.A.S. E.S. Windows A simplified stock corporation, organized under the laws of Colombia, which is owned directly by Tecnoglass. C.I. Energía Solar S.A.S. E.S. Windows Sucursal Bolivia A branch of C.I. Energía Solar S.A.S E.S. Windows Colombia registered to do business in Bolivia. C.I ES Metals SAS A corporation, organized under the laws

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K (Mark One)

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 001-35436 TECNOGLASS INC. (E

Tecnoglass Reports Record Fourth Quarter and Full Year 2024 Results - Full Year Revenues Increased 6.8% to a Record $890.2 Million Through Entirely Organic Growth, Including Geographical Expansion and Entry into Attractive Vinyl Market - - Full Year

Exhibit 99.1 Tecnoglass Reports Record Fourth Quarter and Full Year 2024 Results - Full Year Revenues Increased 6.8% to a Record $890.2 Million Through Entirely Organic Growth, Including Geographical Expansion and Entry into Attractive Vinyl Market - - Full Year Single-Family Residential Revenue Grew to a Record $372.1 Million, Up 10.9% Year-Over-Year - - Full Year Net Income of $161.3 Million, or

Results of Operations and Financial Condition, 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 27, 2025 TECNOGLASS INC. (Exact Name of Registrant as Specified in Charter) Cayman Islands 001-35436 98-1271120 (State or Other Jurisdiction (Commission (IRS Employer of Inco

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

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 4, 2025 TECNOGLASS INC. (Exact Name of Registrant as Specified in Charter) Cayman Islands 001-35436 98-1271120 (State or Other Jurisdiction (Commission (IRS Employer of Incor

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

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): December 30, 2024 TECNOGLASS INC. (Exact Name of Registrant as Specified in Charter) Cayman Islands 001-35436 98-1271120 (State or Other Jurisdiction (Commission (IRS Employer of Inco

Tecnoglass Sets Record Date for Previously-Announced 36% Increase to Fourth Quarter 2024 Dividend

Exhibit 99.1 Tecnoglass Sets Record Date for Previously-Announced 36% Increase to Fourth Quarter 2024 Dividend Miami, FL – December 11, 2024 - Tecnoglass, Inc. (NYSE: TGLS) (“Tecnoglass” or the “Company”), a leading producer of high-end aluminum and vinyl windows and architectural glass for the global residential and commercial end markets, today announced that its Board of Directors has approved

Other Events, 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): December 11, 2024 TECNOGLASS INC. (Exact Name of Registrant as Specified in Charter) Cayman Islands 001-35436 98-1271120 (State or Other Jurisdiction (Commission (IRS Employer of Inco

Submission of Matters to a Vote of Security Holders

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): December 3, 2024 TECNOGLASS INC. (Exact Name of Registrant as Specified in Charter) Cayman Islands 001-35436 98-1271120 (State or Other Jurisdiction (Commission (IRS Employer of Incor

TGLS / Tecnoglass Inc. / Energy Holding Corp Activist Investment

SC 13D/A 1 formsc13da.htm UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13D (Rule 13d-101) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO RULE 13d-1(a) AND AMENDMENTS THERETO FILED PURSUANT TO RULE 13d-2(a) (Amendment No. 5)* TECNOGLASS INC. (Name of Issuer) Ordinary Shares, par value $0.0001 per share (Title of Class of Securities) G87264 100 (CUSIP

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.)

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.) 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)) ☒ Defini

Results of Operations and Financial Condition, 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): November 7, 2024 TECNOGLASS INC. (Exact Name of Registrant as Specified in Charter) Cayman Islands 001-35436 98-1271120 (State or Other Jurisdiction (Commission (IRS Employer of Incor

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

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: 001-35436 TECNOGLA

Tecnoglass Reports Record Third Quarter 2024 Results - Record Revenue of $238.3 Million, Up 13.1% Year-Over-Year Driven Entirely by Organic Growth - - Single-Family Residential Revenue increased to a Record $109.7 Million, Up 25.0% Year-Over-Year - -

Exhibit 99.1 Tecnoglass Reports Record Third Quarter 2024 Results - Record Revenue of $238.3 Million, Up 13.1% Year-Over-Year Driven Entirely by Organic Growth - - Single-Family Residential Revenue increased to a Record $109.7 Million, Up 25.0% Year-Over-Year - - Gross Margin of 45.8%, Up 290 Basis Points Year-Over-Year - - Net Income of $49.5 Million, or $1.05 Per Diluted Share - - Adjusted Net I

Tecnoglass Named to Fortune’s 100 Fastest-Growing Companies List - Only Company in the Materials Segment Recognized on the List - - Based on Revenue and Adjusted EPS Growth of 65% and Over 200%, Respectively, From 2021 to LTM June 2024 -

Exhibit 99.1 Tecnoglass Named to Fortune’s 100 Fastest-Growing Companies List - Only Company in the Materials Segment Recognized on the List - - Based on Revenue and Adjusted EPS Growth of 65% and Over 200%, Respectively, From 2021 to LTM June 2024 - Miami, FL – October 30, 2024 - Tecnoglass, Inc. (NYSE: TGLS) (“Tecnoglass” or the “Company”), a leading producer of high-end aluminum and vinyl windo

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): October 30, 2024 TECNOGLASS INC. (Exact Name of Registrant as Specified in Charter) Cayman Islands 001-35436 98-1271120 (State or Other Jurisdiction (Commission (IRS Employer of Incor

Tecnoglass Announces Third Quarter 2024 Dividend

Exhibit 99.1 Tecnoglass Announces Third Quarter 2024 Dividend Miami, FL – September 5, 2024 - Tecnoglass, Inc. (NYSE: TGLS) (“Tecnoglass” or the “Company”), a leading producer of high-end aluminum and vinyl windows and architectural glass for the global residential and commercial end markets, today announced that its Board of Directors has declared a quarterly dividend of $0.11 per share, or $0.44

Other Events, 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): September 5, 2024 TECNOGLASS INC. (Exact Name of Registrant as Specified in Charter) Cayman Islands 001-35436 98-1271120 (State or Other Jurisdiction (Commission (IRS Employer of Inco

Tecnoglass Reports Second Quarter 2024 Results - Revenue of $219.7 Million - - Strong Organic Growth in Single-Family Residential Revenue to a Record $95.7 Million - - Net Income of $35.0 Million, or $0.75 Per Diluted Share - - Adjusted Net Income1 o

Exhibit 99.1 Tecnoglass Reports Second Quarter 2024 Results - Revenue of $219.7 Million - - Strong Organic Growth in Single-Family Residential Revenue to a Record $95.7 Million - - Net Income of $35.0 Million, or $0.75 Per Diluted Share - - Adjusted Net Income1 of $40.5 Million, or $0.86 Per Diluted Share - - Adjusted EBITDA1 of $64.1 Million - - Strong Cash Flow from Operations of $34.5 Million,

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

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, 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: 001-35436 TECNOGLASS IN

Results of Operations and Financial Condition, 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): August 8, 2024 TECNOGLASS INC. (Exact Name of Registrant as Specified in Charter) Cayman Islands 001-35436 98-1271120 (State or Other Jurisdiction (Commission (IRS Employer of Incorpo

Tecnoglass’ ES Pivot Door Receives Multiple Prestigious Industry Awards

Exhibit 99.1 Tecnoglass’ ES Pivot Door Receives Multiple Prestigious Industry Awards Miami, FL – July 31st, 2024 - Tecnoglass, Inc. (NYSE: TGLS) (“Tecnoglass” or the “Company”), a leading producer of high-end aluminum and vinyl windows and architectural glass for the global residential and commercial end markets, is proud to announce that its ES Pivot Door has received multiple prestigious awards

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): July 31, 2024 TECNOGLASS INC. (Exact Name of Registrant as Specified in Charter) Cayman Islands 001-35436 98-1271120 (State or Other Jurisdiction (Commission (IRS Employer of Incorpor

Tecnoglass Attains Carbon Neutrality, Reinforcing Its Commitment to Sustainable Practices

Exhibit 99.1 Tecnoglass Attains Carbon Neutrality, Reinforcing Its Commitment to Sustainable Practices Miami, FL – July 02, 2024 – Tecnoglass, Inc. (NYSE: TGLS) (“Tecnoglass” or the “Company”), a leading producer of high-end aluminum and vinyl windows and architectural glass for the global residential and commercial end markets, proudly announces that its ongoing advancements in its commitment to

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): July 2, 2024 TECNOGLASS INC. (Exact Name of Registrant as Specified in Charter) Cayman Islands 001-35436 98-1271120 (State or Other Jurisdiction (Commission (IRS Employer of Incorpora

Regulation FD Disclosure, Results of Operations and Financial Condition, 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 25, 2024 TECNOGLASS INC. (Exact Name of Registrant as Specified in Charter) Cayman Islands 001-35436 98-1271120 (State or Other Jurisdiction (Commission (IRS Employer of Incorpor

Tecnoglass Board of Directors Announces Review of Strategic Alternatives - Reiterates Full Year 2024 Outlook -

Exhibit 99.1 Tecnoglass Board of Directors Announces Review of Strategic Alternatives - Reiterates Full Year 2024 Outlook - Miami, FL – June 25, 2024 - Tecnoglass, Inc. (NYSE: TGLS) (“Tecnoglass” or the “Company”), a leading producer of high-end aluminum and vinyl windows and architectural glass for the global residential and commercial end markets, today announced that its Board of Directors is c

TGLS / Tecnoglass Inc. / Energy Holding Corp Activist Investment

SC 13D/A 1 formsc13da.htm UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13D (Rule 13d-101) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO RULE 13d-1(a) AND AMENDMENTS THERETO FILED PURSUANT TO RULE 13d-2(a) (Amendment No. 4)* TECNOGLASS INC. (Name of Issuer) Ordinary Shares, par value $0.0001 per share (Title of Class of Securities) G87264 100 (CUSIP

Tecnoglass Announces Second Quarter 2024 Dividend

Exhibit 99.1 Tecnoglass Announces Second Quarter 2024 Dividend Miami, FL – June 11, 2024 - Tecnoglass, Inc. (NYSE: TGLS) (“Tecnoglass” or the “Company”), a leading producer of high-end aluminum and vinyl windows and architectural glass for the global residential and commercial end markets, today announced that its Board of Directors has declared a quarterly dividend of $0.11 per share, or $0.44 pe

Other Events, 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 11, 2024 TECNOGLASS INC. (Exact Name of Registrant as Specified in Charter) Cayman Islands 001-35436 98-1271120 (State or Other Jurisdiction (Commission (IRS Employer of Incorpor

Results of Operations and Financial Condition, 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): May 9, 2024 TECNOGLASS INC. (Exact Name of Registrant as Specified in Charter) Cayman Islands 001-35436 98-1271120 (State or Other Jurisdiction (Commission (IRS Employer of Incorporat

Tecnoglass Reports First Quarter 2024 Results - Revenue of $192.6 Million - - Net Income of $29.7 Million, or $0.63 Per Diluted Share - - Adjusted Net Income1 of $30.9 Million, or $0.66 Per Diluted Share - - Adjusted EBITDA1 of $51.0 Million, Represe

Exhibit 99.1 Tecnoglass Reports First Quarter 2024 Results - Revenue of $192.6 Million - - Net Income of $29.7 Million, or $0.63 Per Diluted Share - - Adjusted Net Income1 of $30.9 Million, or $0.66 Per Diluted Share - - Adjusted EBITDA1 of $51.0 Million, Representing 26.5% of Revenues - - Strong Cash Flow from Operations of $33.4 Million, Representing 65% of Adjusted EBITDA1 - - All Time Record L

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

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, 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: 001-35436 TECNOGLASS I

Insider Trading Policy

Exhibit 19 TECNOGLASS INC. INSIDER TRADING POLICY The Board of Directors of Tecnoglass Inc. (“Company”) has adopted this Insider Trading Policy for directors, officers, employees and consultants of the Company and its subsidiaries with respect to the trading of the Company’s securities, as well as the securities of publicly-traded companies with whom the Company and/or its subsidiaries have a busi

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K (Mark One)

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, 2023 ☐ 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 001-35436 TECNOGLASS INC. (E

List of subsidiaries.

Exhibit 21 Name of Subsidiary Description C.I. Energía Solar S.A.S. E.S. Windows A simplified stock corporation, organized under the laws of Colombia, which is owned directly by Tecnoglass. C.I. Energía Solar S.A.S. E.S. Windows Sucursal Bolivia A branch of C.I. Energía Solar S.A.S E.S. Windows Colombia registered to do business in Bolivia. Componenti USA LLC A Florida limited liability company or

Clawback Policy

Exhibit 97 TECNOGLASS INC. CLAWBACK POLICY Introduction The Board of Directors (the “Board”) of Tecnoglass Inc. (the “Company”) believes that it is in the best interests of the Company and its shareholders to create and maintain a culture that emphasizes integrity and accountability and that reinforces the Company’s pay-for-performance compensation philosophy. The Board has therefore adopted this

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 29, 2024 TECNOGLASS INC.

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 29, 2024 TECNOGLASS INC. (Exact Name of Registrant as Specified in Charter) Cayman Islands 001-35436 98-1271120 (State or Other Jurisdiction (Commission (IRS Employer of Inco

Tecnoglass Reports Record Financial Metrics Across the Board for Full Year 2023 - Full Year Revenues Increased 16% to a Record $833.3 Million Through Entirely Organic Growth - - Full Year Net Income of $183.5 Million, or $3.85 Per Diluted Share; Full

Exhibit 99.1 Tecnoglass Reports Record Financial Metrics Across the Board for Full Year 2023 - Full Year Revenues Increased 16% to a Record $833.3 Million Through Entirely Organic Growth - - Full Year Net Income of $183.5 Million, or $3.85 Per Diluted Share; Full Year Adjusted Net Income1 of $189.3 Million, or $3.98 Per Diluted Share - - Full Year Adjusted EBITDA1 up 15% to an all-time high of $30

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): December 28, 2023 TECNOGLASS INC.

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): December 28, 2023 TECNOGLASS INC. (Exact Name of Registrant as Specified in Charter) Cayman Islands 001-35436 98-1271120 (State or Other Jurisdiction (Commission (IRS Employer of Inco

Tecnoglass Announces Fourth Quarter 2023 Dividend

Exhibit 99.1 Tecnoglass Announces Fourth Quarter 2023 Dividend Miami, FL – December 11, 2023 - Tecnoglass, Inc. (NYSE: TGLS) (“Tecnoglass” or the “Company”), a leading producer of high-end aluminum and vinyl windows and architectural glass for the global residential and commercial end markets, today announced that its Board of Directors has declared a quarterly dividend of $0.09 per share, or $0.3

Other Events, 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): September 7, 2023 TECNOGLASS INC. (Exact Name of Registrant as Specified in Charter) Cayman Islands 001-35436 98-1271120 (State or Other Jurisdiction (Commission (IRS Employer of Inco

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.)

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.) 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)) ☒ Defini

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

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, 2023 ☐ 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: 001-35436 TECNOGLA

Results of Operations and Financial Condition, 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): November 6, 2023 TECNOGLASS INC. (Exact Name of Registrant as Specified in Charter) Cayman Islands 001-35436 98-1271120 (State or Other Jurisdiction (Commission (IRS Employer of Incor

Tecnoglass Reports Strong Third Quarter 2023 Results and Projects Double-Digit Top Line Growth in 2024 - Revenue Growth of 4.4% to $210.7 Million, Entirely Organic, Including a Record $87.8 Million in the Single-Family Residential End Market - - Quar

Exhibit 99.1 Tecnoglass Reports Strong Third Quarter 2023 Results and Projects Double-Digit Top Line Growth in 2024 - Revenue Growth of 4.4% to $210.7 Million, Entirely Organic, Including a Record $87.8 Million in the Single-Family Residential End Market - - Quarterly Cash Flow from Operations at an All-Time High of $51.3 Million - - Net Income of $46.1 Million, or $0.97 Per Diluted Share - - Adju

Tecnoglass Announces Third Quarter 2023 Dividend

Exhibit 99.1 Tecnoglass Announces Third Quarter 2023 Dividend Miami, FL – September 7, 2023 - Tecnoglass, Inc. (NYSE: TGLS) (“Tecnoglass” or the “Company”), a leading producer of high-end aluminum and vinyl windows and architectural glass for the global residential and commercial end markets, today announced that its Board of Directors has declared a quarterly dividend of $0.09 per share, or $0.36

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 7, 2023 TECNOGLASS INC.

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 7, 2023 TECNOGLASS INC. (Exact Name of Registrant as Specified in Charter) Cayman Islands 001-35436 98-1271120 (State or Other Jurisdiction (Commission (IRS Employer of Inco

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): August 28, 2023 TECNOGLASS INC. (

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): August 28, 2023 TECNOGLASS INC. (Exact Name of Registrant as Specified in Charter) Cayman Islands 001-35436 98-1271120 (State or Other Jurisdiction (Commission (IRS Employer of Incorp

Tecnoglass to More than Double Addressable Market with Strategic Entry into Vinyl Windows - Signs Long-term Supply Agreement with Global Vinyl Frame Manufacturer – - Vinyl Window Product Lines Expected to Start Deliveries in November of 2023 With Ord

Exhibit 99.1 Tecnoglass to More than Double Addressable Market with Strategic Entry into Vinyl Windows - Signs Long-term Supply Agreement with Global Vinyl Frame Manufacturer – - Vinyl Window Product Lines Expected to Start Deliveries in November of 2023 With Orders and Backlog Already in Place, Serving Both Residential and Commercial End Markets – - New Product Line to Go To Market Under the ES W

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): August 17, 2023 TECNOGLASS INC. (

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): August 17, 2023 TECNOGLASS INC. (Exact Name of Registrant as Specified in Charter) Cayman Islands 001-35436 98-1271120 (State or Other Jurisdiction (Commission (IRS Employer of Incorp

- Enhances Position to Serve Customers and Further Bolsters Market Presence with the U.S. Representing over 95% of Revenues – - Company to Seek Broader U.S. Equity Index Inclusion Following the Move –

Exhibit 99.1 Tecnoglass Announces Relocation of Global Headquarters to the United States - Enhances Position to Serve Customers and Further Bolsters Market Presence with the U.S. Representing over 95% of Revenues – - Company to Seek Broader U.S. Equity Index Inclusion Following the Move – Miami, FL – August 17, 2023 - Tecnoglass, Inc. (NYSE: TGLS) (“Tecnoglass” or the “Company”), a leading manufac

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

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, 2023 ☐ 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: 001-35436 TECNOGLASS IN

- Record Total Revenues Up 33.2% to $225.3 Million - - Strong Organic Growth in Both Multifamily/Commercial and Single-Family Residential Businesses - - Gross Margin of 48.7%, Up 520 Basis Points Year-Over-Year - - Net Income of $52.6 Million, or $1.

Exhibit 99.1 Tecnoglass Reports Record Second Quarter 2023 Results - Record Total Revenues Up 33.2% to $225.3 Million - - Strong Organic Growth in Both Multifamily/Commercial and Single-Family Residential Businesses - - Gross Margin of 48.7%, Up 520 Basis Points Year-Over-Year - - Net Income of $52.6 Million, or $1.10 Per Diluted Share - - Adjusted Net Income1 of $53.5 Million, or $1.12 Per Dilute

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): August 8, 2023 TECNOGLASS INC. (E

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): August 8, 2023 TECNOGLASS INC. (Exact Name of Registrant as Specified in Charter) Cayman Islands 001-35436 98-1271120 (State or Other Jurisdiction (Commission (IRS Employer of Incorpo

Tecnoglass To Become Carbon Neutral Effective 2023 Through Ongoing Green Energy Investments and Proactive Actions to Offset Emissions

Exhibit 99.1 Tecnoglass To Become Carbon Neutral Effective 2023 Through Ongoing Green Energy Investments and Proactive Actions to Offset Emissions - Carbon Neutrality Goal Achieved Well Ahead of Regional and Global Standards, Joining Other Sustainability Leaders in the Industry - - Company Conducts Sustainability Rating Assessment to Explore Inclusion on ESG Indexes - Barranquilla, Colombia – May

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 31, 2023 TECNOGLASS INC. (Exa

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 31, 2023 TECNOGLASS INC. (Exact Name of Registrant as Specified in Charter) Cayman Islands 001-35436 98-1271120 (State or Other Jurisdiction (Commission (IRS Employer of Incorpora

TGLS / Tecnoglass Inc / Energy Holding Corp Activist Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13D (Rule 13d-101) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO RULE 13d-1(a) AND AMENDMENTS THERETO FILED PURSUANT TO RULE 13d-2(a) (Amendment No. 3)* TECNOGLASS INC. (Name of Issuer) Ordinary Shares, par value $0.0001 per share (Title of Class of Securities) G87264 100 (CUSIP Number) Joaquin Fernandez,

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, 2023 TECNOGLASS INC. (Exa

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, 2023 TECNOGLASS INC. (Exact Name of Registrant as Specified in Charter) Cayman Islands 001-35436 98-1271120 (State or Other Jurisdiction (Commission (IRS Employer of Incorpora

Tecnoglass Announces Pricing of Secondary Offering of Ordinary Shares by Energy Holding Corporation

Exhibit 99.1 Tecnoglass Announces Pricing of Secondary Offering of Ordinary Shares by Energy Holding Corporation BARRANQUILLA, Colombia – May 17, 2023 – Tecnoglass Inc. (NYSE: TGLS) (“Tecnoglass” or the “Company”), today announced the pricing of the previously announced underwritten public offering by Energy Holding Corporation (“Selling Stockholder”) of an aggregate of 2,000,000 ordinary shares o

2,000,000 Ordinary Shares Tecnoglass Inc.

Filed Pursuant to Rule 424(b)(7) Registration No. 333-271980 PROSPECTUS SUPPLEMENT (To Prospectus dated May 16, 2023) 2,000,000 Ordinary Shares Tecnoglass Inc. ENERGY HOLDING CORPORATION, the selling securityholder identified in this prospectus supplement, is offering 2,000,000 ordinary shares, par value $0.0001, par value per share, or the ordinary shares, of Tecnoglass Inc. We will not receive a

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 17, 2023 TECNOGLASS INC. (Exa

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 17, 2023 TECNOGLASS INC. (Exact Name of Registrant as Specified in Charter) Cayman Islands 001-35436 98-1271120 (State or Other Jurisdiction (Commission (IRS Employer of Incorpora

Calculation of Filing Fee Table (Form Type) Tecnoglass Inc. (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered and Carry Forward Securities

Exhibit 107 Calculation of Filing Fee Table 424(b)(7) (Form Type) Tecnoglass Inc. (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered and Carry Forward Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered(1) Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Carr

Underwriting Agreement.

Exhibit 1.1 Execution Version Tecnoglass Inc. (Cayman Islands exempted company) 2,000,000 Ordinary Shares1 ($0.0001 par value per share) Underwriting Agreement New York, New York May 17, 2023 Robert W. Baird & Co. Incorporated Raymond James & Associates, Inc Stifel, Nicolaus & Company, Incorporated as Representatives of the several Underwriters c/o Robert W. Baird & Co. Incorporated 777 East Wisco

Other Events, 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): May 16, 2023 TECNOGLASS INC. (Exact Name of Registrant as Specified in Charter) Cayman Islands 001-35436 98-1271120 (State or Other Jurisdiction (Commission (IRS Employer of Incorpora

Tecnoglass Announces Proposed Secondary Offering of Ordinary Shares by Energy Holding Corporation

Exhibit 99.1 Tecnoglass Announces Proposed Secondary Offering of Ordinary Shares by Energy Holding Corporation BARRANQUILLA, Colombia – May 16, 2023 – Tecnoglass Inc. (NYSE: TGLS) (“Tecnoglass” or the “Company”), today announced the commencement of an underwritten public offering of an aggregate of 2,000,000 ordinary shares to be sold by Energy Holding Corporation (“Selling Stockholder”). In addit

Filing Fee Table

Exhibit 107 Calculation of Filing Fee Tables Form S-3 (Form Type) Tecnoglass Inc. (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered and Carry Forward Securities Security Type Security Class Title(1) Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Proposed Maximum Aggregate Offering Price Fee Rate Amount of Registration

Subject to Completion Preliminary Prospectus Supplement Dated May 16, 2023

The information in this preliminary prospectus supplement is not complete and may be changed.

As filed with the Securities and Exchange Commission on May 16, 2023

As filed with the Securities and Exchange Commission on May 16, 2023 Registration No.

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

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, 2023 ☐ 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: 001-35436 TECNOGLASS I

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 4, 2023 TECNOGLASS INC. (Exac

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 4, 2023 TECNOGLASS INC. (Exact Name of Registrant as Specified in Charter) Cayman Islands 001-35436 98-1271120 (State or Other Jurisdiction (Commission (IRS Employer of Incorporat

Tecnoglass Reports Record First Quarter 2023 Results - Total Revenues Up 50.6% to $202.6 Million - - Strong Results Driven by Organic Growth in Both Multifamily/Commercial and Single-Family Residential Businesses, Up 59% and 40%, Respectively - - Rec

Exhibit 99.1 Tecnoglass Reports Record First Quarter 2023 Results - Total Revenues Up 50.6% to $202.6 Million - - Strong Results Driven by Organic Growth in Both Multifamily/Commercial and Single-Family Residential Businesses, Up 59% and 40%, Respectively - - Record Gross Margin of 53.2%, Up 830 Basis Points Year-Over-Year - - Net Income of $48.4 Million, or $1.01 Per Diluted Share - - Adjusted Ne

Other Events, 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): April 20, 2023 TECNOGLASS INC. (Exact Name of Registrant as Specified in Charter) Cayman Islands 001-35436 98-1271120 (State or Other Jurisdiction (Commission (IRS Employer of Incorpo

Tecnoglass Announces Long Term Strategic Partnership with Wells Fargo to Offer Enhanced Financing Solutions to Customers and Drive Incremental Sales

Exhibit 99.1 Tecnoglass Announces Long Term Strategic Partnership with Wells Fargo to Offer Enhanced Financing Solutions to Customers and Drive Incremental Sales Barranquilla, Colombia – April 20, 2023 - Tecnoglass, Inc. (NYSE: TGLS) (“Tecnoglass” or the “Company”), a leading manufacturer of architectural glass, windows, and associated aluminum products serving the global residential and commercia

Tecnoglass, In Alliance with Storm Shield Windows & Doors, Announces Development of Breakthrough New Product to Eliminate 99% of Water Intrusion From Sliding Doors During Severe Weather Conditions

Exhibit 99.1 Tecnoglass, In Alliance with Storm Shield Windows & Doors, Announces Development of Breakthrough New Product to Eliminate 99% of Water Intrusion From Sliding Doors During Severe Weather Conditions Barranquilla, Colombia, March 22, 2023 (GLOBE NEWSWIRE) — Tecnoglass, Inc. (NYSE : TGLS) (“Tecnoglass” or the “Company”), a leading manufacturer of architectural glass, windows, and associat

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 22, 2023 TECNOGLASS INC. (E

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 22, 2023 TECNOGLASS INC. (Exact Name of Registrant as Specified in Charter) Cayman Islands 001-35436 98-1271120 (State or Other Jurisdiction (Commission (IRS Employer of Incorpo

Tecnoglass Increases Quarterly Dividend by 20% to $0.09 Per Share

Exhibit 99.1 Tecnoglass Increases Quarterly Dividend by 20% to $0.09 Per Share Barranquilla, Colombia – March 13, 2023 - Tecnoglass, Inc. (NYSE: TGLS) (“Tecnoglass” or the “Company”), a leading manufacturer of architectural glass, windows, and associated aluminum products for the global residential and commercial construction industries, today announced that its Board of Directors has approved a 2

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 13, 2023 TECNOGLASS INC. (E

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 13, 2023 TECNOGLASS INC. (Exact Name of Registrant as Specified in Charter) Cayman Islands 001-35436 98-1271120 (State or Other Jurisdiction (Commission (IRS Employer of Incorpo

List of subsidiaries.

Exhibit 21 Name of Subsidiary Description C.I. Energía Solar S.A.S. E.S. Windows A simplified stock corporation, organized under the laws of Colombia, which is owned directly by Tecnoglass. C.I. Energía Solar S.A.S. E.S. Windows Sucursal Bolivia A branch of C.I. Energía Solar S.A.S E.S. Windows Colombia registered to do business in Bolivia. Componenti USA LLC A Florida limited liability company or

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K (Mark One)

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, 2022 ☐ 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 001-35436 TECNOGLASS INC. (E

Tecnoglass Reports Record Fourth Quarter and Full Year 2022 Results - Record Fourth Quarter Revenues and Adjusted EBITDA Up 60% to $211.1 Million and 107% to $87.2 Million, Respectively - - Also Achieves Record Fourth Quarter Gross Margin, Operating

Exhibit 99.1 Tecnoglass Reports Record Fourth Quarter and Full Year 2022 Results - Record Fourth Quarter Revenues and Adjusted EBITDA Up 60% to $211.1 Million and 107% to $87.2 Million, Respectively - - Also Achieves Record Fourth Quarter Gross Margin, Operating Margin, Net Income, Adjusted Net Income1, Adjusted EPS and Operating & Free Cash Flows - - Strong Results Driven by Organic Growth in Bot

Results of Operations and Financial Condition, 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): March 2, 2023 TECNOGLASS INC. (Exact Name of Registrant as Specified in Charter) Cayman Islands 001-35436 98-1271120 (State or Other Jurisdiction (Commission (IRS Employer of Incorpor

Submission of Matters to a Vote of Security Holders

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): December 15, 2022 TECNOGLASS INC. (Exact Name of Registrant as Specified in Charter) Cayman Islands 001-35436 98-1271120 (State or Other Jurisdiction (Commission (IRS Employer of Inco

Other Events, 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): December 7, 2022 TECNOGLASS INC. (Exact Name of Registrant as Specified in Charter) Cayman Islands 001-35436 98-1271120 (State or Other Jurisdiction (Commission (IRS Employer of Incor

Tecnoglass Announces Fourth Quarter 2022 Cash Dividend

Exhibit 99.1 Tecnoglass Announces Fourth Quarter 2022 Cash Dividend Barranquilla, Colombia ? December 7, 2022 - Tecnoglass, Inc. (NYSE: TGLS) (?Tecnoglass? or the ?Company?), a leading manufacturer of architectural glass, windows, and associated aluminum products serving the global residential and commercial end markets, today announced that its Board of Directors has declared a quarterly cash div

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): December 1, 2022 TECNOGLASS INC. (Exact Name of Registrant as Specified in Charter) Cayman Islands 001-35436 98-1271120 (State or Other Jurisdiction (Commission (IRS Employer of Incor

Tecnoglass Increases Growth Outlook for Full Year 2022 - Increases Full Year 2022 Growth Outlook to Total Revenues of $705 Million to $715 Million and Adjusted EBITDA1 of $255 Million to $260 Million - - Full Year 2022 Adjusted EBITDA1 as Percent of

Exhibit 99.1 Tecnoglass Increases Growth Outlook for Full Year 2022 - Increases Full Year 2022 Growth Outlook to Total Revenues of $705 Million to $715 Million and Adjusted EBITDA1 of $255 Million to $260 Million - - Full Year 2022 Adjusted EBITDA1 as Percent of Total Revenues Expected to Increase Over 600 Basis Points to 36.2% at the Midpoint of the Outlook Ranges - - October and November 2022 Re

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.)

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.) 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)) ? Defini

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

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, 2022 ☐ 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: 001-35436 TECNOGLA

Results of Operations and Financial Condition, 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): November 3, 2022 TECNOGLASS INC. (Exact Name of Registrant as Specified in Charter) Cayman Islands 001-35436 98-1271120 (State or Other Jurisdiction (Commission (IRS Employer of Incor

Tecnoglass Reports Record Third Quarter 2022 Results and Announces $50 Million Share Repurchase Program - Record Total Revenues of $201.8 Million, Up 53% Year-Over-Year - - Revenues Driven Entirely by Organic Growth in Both Single-Family Residential

Exhibit 99.1 Tecnoglass Reports Record Third Quarter 2022 Results and Announces $50 Million Share Repurchase Program - Record Total Revenues of $201.8 Million, Up 53% Year-Over-Year - - Revenues Driven Entirely by Organic Growth in Both Single-Family Residential and Commercial Businesses - - Record Gross Margin of 52.2%, Up 1300 Basis Points Year-Over-Year - - Record Net Income of $46.9 Million an

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): September 15, 2022 TECNOGLASS INC. (Exact Name of Registrant as Specified in Charter) Cayman Islands 001-35436 98-1271120 (State or Other Jurisdiction (Commission (IRS Employer of Inc

Tecnoglass Provides Update on High-Return Strategic Capex Propelled by Incremental Demand - Growth Capital Investments Include Automation Projects, Additional Production Lines and Facility Footprint Expansion to Address Ongoing Geographic and End Mar

Exhibit 99.1 Tecnoglass Provides Update on High-Return Strategic Capex Propelled by Incremental Demand - Growth Capital Investments Include Automation Projects, Additional Production Lines and Facility Footprint Expansion to Address Ongoing Geographic and End Market Expansion - - Facility Investments Expected to Increase Operational Capacity to Approximately $950 Million In Revenues by the End of

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

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): August 23, 2022 TECNOGLASS INC. (Exact Name of Registrant as Specified in Charter) Cayman Islands 001-35436 98-1271120 (State or Other Jurisdiction (Commission (IRS Employer of Incorp

Financial statements from the Quarterly Report on Form 10-Q of Tecnoglass Inc. for the quarter ended June 30, 2022, formatted in XBRL: (i) Condensed Consolidated Balance Sheets, (ii) Condensed Consolidated Statements of Operations, (iii) Condensed Consolidated Statement of Changes in Stockholders’ Equity, (iv) Condensed Consolidated Statement of Cash Flows and (v) Notes to Unaudited Condensed Consolidated Financial Statements, as blocks of text and in detail.

Exhibit 10.1 THIRD AMENDMENT TO CREDIT AGREEMENT THIS THIRD AMENDMENT TO CREDIT AGREEMENT (this ?Amendment?), dated as of [], 2022, is by and among Tecnoglass Inc., a Cayman Islands exempted company (?Tecnoglass?), Tecno RE LLC, a Florida limited liability company (?Tecno RE?), GM&P Consulting and Glazing Contractors, Inc, a Florida corporation (?GM&P?), E.S. Windows LLC, a Florida limited liabili

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

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, 2022 ? 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: 001-35436 TECNOGLASS IN

Tecnoglass Reports Record Second Quarter 2022 Results - Record Total Revenues of $169.1 Million Up 39% Year-Over-Year, All through Organic Growth - - Record Single-Family Residential Revenues Increased 86% Year-Over-Year, Representing 45% of Total Re

Exhibit 99.1 Tecnoglass Reports Record Second Quarter 2022 Results - Record Total Revenues of $169.1 Million Up 39% Year-Over-Year, All through Organic Growth - - Record Single-Family Residential Revenues Increased 86% Year-Over-Year, Representing 45% of Total Revenues ? - Growth Capex Investments on Track to End Year with Installed Production Capacity of Over $800 Million - - Gross Margin of 43.5

Results of Operations and Financial Condition, Other Events, 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): August 4, 2022 TECNOGLASS INC. (Exact Name of Registrant as Specified in Charter) Cayman Islands 001-35436 98-1271120 (State or Other Jurisdiction (Commission (IRS Employer of Incorpo

Tecnoglass Announces Second Quarter 2022 Cash Dividend

Exhibit 99.1 Tecnoglass Announces Second Quarter 2022 Cash Dividend Barranquilla, Colombia ? June 2, 2022 - Tecnoglass, Inc. (NYSE: TGLS) (?Tecnoglass? or the ?Company?), a leading manufacturer of architectural glass, windows, and associated aluminum products serving the global residential and commercial end markets, today announced that its Board of Directors has declared a quarterly cash dividen

Other Events, 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 2, 2022 TECNOGLASS INC. (Exact Name of Registrant as Specified in Charter) Cayman Islands 001-35436 98-1271120 (State or Other Jurisdiction (Commission (IRS Employer of Incorpora

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

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, 2022 ? 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: 001-35436 TECNOGLASS I

Form 8-A

U.S. SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-A FOR REGISTRATION OF CERTAIN CLASSES OF SECURITIES PURSUANT TO SECTION 12(b) OR 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934 TECNOGLASS INC. (Exact Name of Registrant as Specified in Its Charter) Cayman Islands 98-1271120 (State of Incorporation or Organization) (I.R.S. Employer Identification No.) Avenida Circunvalar a 100 mts

NOTIFICATION OF REMOVAL FROM LISTING AND/OR REGISTRATION UNDER SECTION 12(b) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission File Number 001-35436 Tecnoglass Inc. The Nasdaq Stock Market LLC (Exact name of Issuer as specified in its charter, and na

UNITED STATES SECURITIES AND EXCHANGE COMMISSION OMB APPROVAL Washington, D.C. 20549 OMB Number: 3235-0080 Expires: May 31, 2024 FORM 25 Estimated average burden hours per response............1.00 NOTIFICATION OF REMOVAL FROM LISTING AND/OR REGISTRATION UNDER SECTION 12(b) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission File Number 001-35436 Tecnoglass Inc. The Nasdaq Stock Market LLC (Exact nam

Tecnoglass Reports Record First Quarter 2022 Results - Single-Family Residential Revenues Increased 155% Year-Over-Year, Representing 44% of Total Revenues - - Total Revenues Up 21% Year-Over-Year to a Record $134.5 Million - - Gross Margin of 44.8%,

Exhibit 99.1 Tecnoglass Reports Record First Quarter 2022 Results - Single-Family Residential Revenues Increased 155% Year-Over-Year, Representing 44% of Total Revenues - - Total Revenues Up 21% Year-Over-Year to a Record $134.5 Million - - Gross Margin of 44.8%, Up 420 Basis Points Year-Over-Year - - Net Income of $21.0 Million, or $0.44 Per Diluted Share - - Adjusted Net Income1 of $25.4 Million

Results of Operations and Financial Condition, 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): May 4, 2022 TECNOGLASS INC. (Exact Name of Registrant as Specified in Charter) Cayman Islands 001-35436 98-1271120 (State or Other Jurisdiction (Commission (IRS Employer of Incorporat

Tecnoglass to Transfer Stock Exchange Listing to NYSE - First trading day on NYSE for Tecnoglass shares will be Monday, May 9, 2022 -

Exhibit 99.1 Tecnoglass to Transfer Stock Exchange Listing to NYSE - First trading day on NYSE for Tecnoglass shares will be Monday, May 9, 2022 - Barranquilla, Colombia ? April 25, 2022 - Tecnoglass, Inc. (NASDAQ: TGLS) (?Tecnoglass? or the ?Company?), a leading manufacturer of architectural glass, windows, and associated aluminum products serving the global residential and commercial end markets

Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing, 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): April 21, 2022 TECNOGLASS INC. (Exact Name of Registrant as Specified in Charter) Cayman Islands 001-35436 98-1271120 (State or Other Jurisdiction (Commission (IRS Employer of Incorpo

Tecnoglass Special Committee Completes Review, Company Reaffirms the Veracity of its Financial Reporting - Files 2021 Annual Report on Form 10-K - - Reaffirms Full Year Record 2022 Growth Outlook -

Exhibit 99.1 Tecnoglass Special Committee Completes Review, Company Reaffirms the Veracity of its Financial Reporting - Files 2021 Annual Report on Form 10-K - - Reaffirms Full Year Record 2022 Growth Outlook - Barranquilla, Colombia ? March 17, 2022 - Tecnoglass, Inc. (NASDAQ: TGLS) ("Tecnoglass" or the "Company") today announced that the Special Committee of the Company?s Board of Directors that

Regulation FD Disclosure, Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, 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): March 15, 2022 TECNOGLASS INC. (Exact Name of Registrant as Specified in Charter) Cayman Islands 001-35436 98-1271120 (State or Other Jurisdiction (Commission (IRS Employer of Incorpo

List of subsidiaries.

Exhibit 21 Name of Subsidiary Description C.I. Energ?a Solar S.A.S. E.S. Windows A simplified stock corporation, organized under the laws of Colombia, which is owned directly by Tecnoglass. C.I. Energ?a Solar S.A.S. E.S. Windows Sucursal Bolivia A branch of C.I. Energ?a Solar S.A.S E.S. Windows Colombia registered to do business in Bolivia. Componenti USA LLC A Florida limited liability company or

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K (Mark One)

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, 2021 ? 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 001-35436 TECNOGLASS INC. (E

Other Events, 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): March 16, 2022 TECNOGLASS INC. (Exact Name of Registrant as Specified in Charter) Cayman Islands 001-35436 98-1271120 (State or Other Jurisdiction (Commission (IRS Employer of Incorpo

Tecnoglass Announces First Quarter 2022 Cash Dividend

Exhibit 99.1 Tecnoglass Announces First Quarter 2022 Cash Dividend Barranquilla, Colombia ? March 16, 2022 ? Tecnoglass, Inc. (NASDAQ: TGLS) (?Tecnoglass? or the ?Company?), a leading manufacturer of architectural glass, windows, and associated aluminum products serving the global residential and commercial end markets, today announced that its Board of Directors has declared a quarterly cash divi

Tecnoglass Provides Additional Detail on Special Committee Review

Exhibit 99.1 Tecnoglass Provides Additional Detail on Special Committee Review Barranquilla, Colombia ? March 4, 2022 - Tecnoglass, Inc. (NASDAQ: TGLS) (?Tecnoglass? or the ?Company?), as disclosed yesterday, the work of a Special Committee of the Board that was formed to assess the allegations in a short seller report issued on December 9, 2021 is nearing completion. Consistent with the allegatio

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): March 4, 2022 TECNOGLASS INC. (Exact Name of Registrant as Specified in Charter) Cayman Islands 001-35436 98-1271120 (State or Other Jurisdiction (Commission (IRS Employer of Incorpor

Tecnoglass Reports Record Fourth Quarter and Full Year 2021 Results - Single-Family Residential Revenues Increased 151% Year-Over-Year, Representing 36% of Total Revenues for Full Year 2021 - - Total Revenues Up 32% Year-Over-Year to a Record $496.8

Exhibit 99.1 Tecnoglass Reports Record Fourth Quarter and Full Year 2021 Results - Single-Family Residential Revenues Increased 151% Year-Over-Year, Representing 36% of Total Revenues for Full Year 2021 - - Total Revenues Up 32% Year-Over-Year to a Record $496.8 Million for Full Year 2021 - - Record Gross Margin of 40.8%, Up 380 Basis Points Year-Over-Year for Full Year 2021 - - Record Net Income

Results of Operations and Financial Condition, 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): March 3, 2022 TECNOGLASS INC. (Exact Name of Registrant as Specified in Charter) Cayman Islands 001-35436 98-1271120 (State or Other Jurisdiction (Commission (IRS Employer of Incorpor

TGLS / Tecnoglass Inc / AMERICAN CENTURY INVESTMENT MANAGEMENT INC - SC 13G/A Passive Investment

United States Securities and Exchange Commission Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1)* TECNOGLASS INC. (Name of Issuer) ORDINARY SHARES (Title of Class of Securities) G87264100 (CUSIP Number) DECEMBER 31, 2021 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this Sche

- Company Reaffirms Recently Increased Full Year 2021 Growth Outlook -

Exhibit 99.1 Tecnoglass Disputes Allegations in Short Seller Report and Remains Committed to Transparency, Ethical Conduct, and Compliance with All Applicable Laws - Company?s Board of Directors Forms Special Committee of Independent Directors to Analyze Issues Raised in Report with Assistance of Leading International Law Firm - - Company Reaffirms Recently Increased Full Year 2021 Growth Outlook

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): December 17, 2021 TECNOGLASS INC. (Exact Name of Registrant as Specified in Charter) Cayman Islands 001-35436 98-1271120 (State or Other Jurisdiction (Commission (IRS Employer of Inco

Submission of Matters to a Vote of Security Holders

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): December 16, 2021 TECNOGLASS INC. (Exact Name of Registrant as Specified in Charter) Cayman Islands 001-35436 98-1271120 (State or Other Jurisdiction (Commission (IRS Employer of Inco

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): December 9, 2021 TECNOGLASS INC. (Exact Name of Registrant as Specified in Charter) Cayman Islands 001-35436 98-1271120 (State or Other Jurisdiction (Commission (IRS Employer of Incor

- Revenues of $456 Million and Adjusted EBITDA of $140 Million Year to Date Through November 2021 – - Operating Cashflow of Approximately $100 Million Through November 2021 – - Increases Full Year 2021 Outlook for Revenue and Adjusted EBITDA to a Ran

Exhibit 99.1 Tecnoglass Provides Business Update and Increases Full Year 2021 Growth Outlook - Revenues of $456 Million and Adjusted EBITDA of $140 Million Year to Date Through November 2021 ? - Operating Cashflow of Approximately $100 Million Through November 2021 ? - Increases Full Year 2021 Outlook for Revenue and Adjusted EBITDA to a Range of $490-495 Million and $147-150 Million Respectively

Other Events, 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): December 8, 2021 TECNOGLASS INC. (Exact Name of Registrant as Specified in Charter) Cayman Islands 001-35436 98-1271120 (State or Other Jurisdiction (Commission (IRS Employer of Incor

Tecnoglass Increases Quarterly Cash Dividend by 136% to $0.065 Per Share - Increased Return to Shareholders Highlights 2021 Record Free Cashflow Year to Date and Strong Balance Sheet Position -

Exhibit 99.1 Tecnoglass Increases Quarterly Cash Dividend by 136% to $0.065 Per Share - Increased Return to Shareholders Highlights 2021 Record Free Cashflow Year to Date and Strong Balance Sheet Position - Barranquilla, Colombia ? December 8, 2021 - Tecnoglass, Inc. (NASDAQ: TGLS) (?Tecnoglass? or the ?Company?), a leading manufacturer of architectural glass, windows, and associated aluminum prod

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. )

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. ) 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)) ? Defin

Tecnoglass Upsizes Revolving Credit Facility and Extends Maturity Date to 2026 - Increases Currently Untapped Committed Facility from $50 Million to $150 Million And Reduces Interest From an All-In Rate of 3.25% to 1.90% at Current Rates - - Lowers I

Exhibit 99.1 Tecnoglass Upsizes Revolving Credit Facility and Extends Maturity Date to 2026 - Increases Currently Untapped Committed Facility from $50 Million to $150 Million And Reduces Interest From an All-In Rate of 3.25% to 1.90% at Current Rates - - Lowers Interest Expense by an Estimated $3 Million Annually, Representing Cumulative Annual Interest Savings of ~$15 Million Through Refinancing

Entry into a Material Definitive Agreement, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant, 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): November 12, 2021 TECNOGLASS INC. (Exact Name of Registrant as Specified in Charter) Cayman Islands 001-35436 98-1271120 (State or Other Jurisdiction (Commission (IRS Employer of Inco

Results of Operations and Financial Condition, 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): November 8, 2021 TECNOGLASS INC. (Exact Name of Registrant as Specified in Charter) Cayman Islands 001-35436 98-1271120 (State or Other Jurisdiction (Commission (IRS Employer of Incor

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

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, 2021 ? 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: 001-35436 TECNOGLA

Tecnoglass Reports Record Third Quarter 2021 Results - Single-Family Residential Revenues Increased 213% Year-Over-Year, Representing 48% of U.S. Revenues - - Total Revenues Up 26% Year-Over-Year to a Record $130.4 Million - - Record Third Quarter Gr

Exhibit 99.1 Tecnoglass Reports Record Third Quarter 2021 Results - Single-Family Residential Revenues Increased 213% Year-Over-Year, Representing 48% of U.S. Revenues - - Total Revenues Up 26% Year-Over-Year to a Record $130.4 Million - - Record Third Quarter Gross Margin of 39.6%, Up 80 Basis Points Year-Over-Year - - Net Income of $20.9 Million, or $0.44 Per Diluted Share; Adjusted Net Income1

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): November 8, 2021 TECNOGLASS INC. (Exact Name of Registrant as Specified in Charter) Cayman Islands 001-35436 98-1271120 (State or Other Jurisdiction (Commission (IRS Employer of Incor

Tecnoglass Announces Third Quarter 2021 Cash Dividend

Exhibit 99.1 Tecnoglass Announces Third Quarter 2021 Cash Dividend Barranquilla, Colombia ? August 30, 2021 - Tecnoglass, Inc. (NASDAQ: TGLS) (?Tecnoglass? or the ?Company?), a leading manufacturer of architectural glass, windows, and associated aluminum products serving the global residential and commercial end markets, today announced that its Board of Directors has declared a quarterly cash div

Other Events, 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): August 30, 2021 TECNOGLASS INC. (Exact Name of Registrant as Specified in Charter) Cayman Islands 001-35436 98-1271120 (State or Other Jurisdiction (Commission (IRS Employer of Incorp

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

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, 2021 ? 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: 001-35436 TECNOGLASS IN

Tecnoglass Reports Record Second Quarter 2021 Results - Single-Family Residential Revenues Increased 159% Year-Over-Year, Representing 37% of U.S. Revenues - - Commercial Revenues Expanded 22% Year-Over-Year Driven by Continued End Market Recovery -

Exhibit 99.1 Tecnoglass Reports Record Second Quarter 2021 Results - Single-Family Residential Revenues Increased 159% Year-Over-Year, Representing 37% of U.S. Revenues - - Commercial Revenues Expanded 22% Year-Over-Year Driven by Continued End Market Recovery - - Total Revenues Up 49% Year-Over-Year to a Record $121.7 Million - - Record Second Quarter Gross Margin of 40.0%, Up 120 Basis Points Ye

Results of Operations and Financial Condition, 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): August 6, 2021 TECNOGLASS INC. (Exact Name of Registrant as Specified in Charter) Cayman Islands 001-35436 98-1271120 (State or Other Jurisdiction (Commission (IRS Employer of Incorpo

Results of Operations and Financial Condition, 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): May 7, 2021 TECNOGLASS INC. (Exact Name of Registrant as Specified in Charter) Cayman Islands 001-35436 98-1271120 (State or Other Jurisdiction (Commission (IRS Employer of Incorporat

Tecnoglass Reports Record First Quarter 2021 Results - Strong Demand Drove Single-Family Residential Revenues Up 71% Year-Over-Year, with 19% Growth in Commercial Revenues - - Total Revenues Increase 27.0% Year-Over-Year to $110.9 Million, with 27.9%

Exhibit 99.1 Tecnoglass Reports Record First Quarter 2021 Results - Strong Demand Drove Single-Family Residential Revenues Up 71% Year-Over-Year, with 19% Growth in Commercial Revenues - - Total Revenues Increase 27.0% Year-Over-Year to $110.9 Million, with 27.9% Growth in the U.S. - - Operational and Structural Advantages Produce Record Gross Margin of 40.7%, Up 590 Basis Points - - Net Profit of

Quarterly Report -

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, 2021 ? 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: 001-35436 TECNOGLASS I

Other Events, 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): March 9, 2021 TECNOGLASS INC. (Exact Name of Registrant as Specified in Charter) Cayman Islands 001-35436 98-1271120 (State or Other Jurisdiction (Commission (IRS Employer of Incorpor

Tecnoglass Announces First Quarter 2021 Cash Dividend

Exhibit 99.1 Tecnoglass Announces First Quarter 2021 Cash Dividend Barranquilla, Colombia – March 9, 2021 - Tecnoglass, Inc. (NASDAQ: TGLS) (“Tecnoglass” or the “Company”), a leading manufacturer of architectural glass, windows, and associated aluminum products serving the global residential and commercial end markets, today announced that its Board of Directors has declared a quarterly cash divid

Annual Report -

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K (Mark One) [X] ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2020 [ ] 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 001-35436 TECNOGLASS INC

Description of the Company’s Securities

EX-4.4 2 ex4-4.htm Exhibit 4.4 DESCRIPTION OF REGISTRANT’S SECURITIES REGISTERED PURSUANT TO SECTION 12 OF THE SECURITIES EXCHANGE ACT OF 1934 The following description of the Company’s securities is based upon the Company’s amended and restated memorandum and articles of association (“Articles”) and applicable provisions of law. We have summarized certain portions of the Articles below. The summa

List of subsidiaries.

Exhibit 21 Name of Subsidiary Description C.I. Energ?a Solar S.A. E.S. Windows A corporation, organized under the laws of Colombia, which is owned directly by Tecnoglass. Energia Solar ? ESWINDOWS Paraguay SA A corporation, organized under the laws of Paraguay, which is owned solely by ES. ESWindows LLC A Florida limited liability company organized under the laws of the State of Florida in which T

Results of Operations and Financial Condition, 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): March 2, 2021 TECNOGLASS INC. (Exact Name of Registrant as Specified in Charter) Cayman Islands 001-35436 98-1271120 (State or Other Jurisdiction (Commission (IRS Employer of Incorpor

Tecnoglass Reports Fourth Quarter and Full Year 2020 Results - Single-Family Residential Revenues Grew 51% Year-Over-Year in Fourth Quarter 2020 - - Reports Net Income of $24.2 Million and Adjusted Net Income1 of $36.8 million, or $0.79 Per Diluted S

Exhibit 99.1 Tecnoglass Reports Fourth Quarter and Full Year 2020 Results - Single-Family Residential Revenues Grew 51% Year-Over-Year in Fourth Quarter 2020 - - Reports Net Income of $24.2 Million and Adjusted Net Income1 of $36.8 million, or $0.79 Per Diluted Share for Full Year 2020 - - Achieves 560 Basis Point Increase in Gross Margin to a Full Year Record of 37.1% - - Increases Adjusted EBITD

United States Securities and Exchange Commission Washington, D.C. 20549

United States Securities and Exchange Commission Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* TECNOGLASS INC. (Name of Issuer) ORDINARY SHARES (Title of Class of Securities) G87264100 (CUSIP Number) DECEMBER 31, 2020 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this Sched

Submission of Matters to a Vote of Security Holders -

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): December 15, 2020 TECNOGLASS INC. (Exact Name of Registrant as Specified in Charter) Cayman Islands 001-35436 98-1271120 (State or Other Jurisdiction of Incorporation) (Commission Fil

Tecnoglass Announces Fourth Quarter 2020 Cash Dividend

Exhibit 99.1 Tecnoglass Announces Fourth Quarter 2020 Cash Dividend Barranquilla, Colombia – December 8, 2020 - Tecnoglass, Inc. (NASDAQ: TGLS) (“Tecnoglass” or the “Company”), a leading manufacturer of architectural glass, windows, and associated aluminum products serving the global residential and commercial end markets, today announced that its Board of Directors has declared a quarterly cash d

Other Events, 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): December 8, 2020 TECNOGLASS INC. (Exact Name of Registrant as Specified in Charter) Cayman Islands 001-35436 98-1271120 (State or Other Jurisdiction (Commission (IRS Employer of Incor

-

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. ) Filed by the Registrant [X] 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))

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): November 19, 2020 TECNOGLASS INC. (Exact Name of Registrant as Specified in Charter) Cayman Islands 001-35436 98-1271120 (State or Other Jurisdiction (Commission (IRS Employer of Inco

Tecnoglass Completes Delisting of Shares from the Colombia Stock Exchange

Exhibit 99.1 Tecnoglass Completes Delisting of Shares from the Colombia Stock Exchange Barranquilla, Colombia – November 19, 2020 - Tecnoglass, Inc. (NASDAQ: TGLS) (“Tecnoglass” or the “Company”), a leading manufacturer of architectural glass, windows, and associated aluminum products for the global residential and commercial construction industries, today announced that the Company has completed

Tecnoglass Reports Third Quarter 2020 Results - Reports Net Income of $8.3 Million and Adjusted Net Income of $12.7 million, or $0.28 Per Diluted Share – - Increases Adjusted EBITDA1 by 19% Year-Over-Year to a Record $28.5 Million at a Margin of 27.5

Exhibit 99.1 Tecnoglass Reports Third Quarter 2020 Results - Reports Net Income of $8.3 Million and Adjusted Net Income of $12.7 million, or $0.28 Per Diluted Share – - Increases Adjusted EBITDA1 by 19% Year-Over-Year to a Record $28.5 Million at a Margin of 27.5% - - Produces Cash Flow From Operations Approximating 71% of Adjusted EBITDA Year-to-Date - - New $300 Million Credit Facility to Reduce

Quarterly Report -

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (MARK ONE) [X] QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2020 [ ] 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: 001-35436 TECN

Results of Operations and Financial Condition, 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): November 6, 2020 TECNOGLASS INC. (Exact Name of Registrant as Specified in Charter) Cayman Islands 001-35436 98-1271120 (State or Other Jurisdiction (Commission (IRS Employer of Incor

Tecnoglass Announces New $300 Million Credit Facility - Expands Borrowing Capacity, Significantly Reduces Cost of Capital, Lowers Interest Expense by an Estimated $11 Million Annually, and Extends Maturity to 2025 -

Exhibit 99.1 Tecnoglass Announces New $300 Million Credit Facility - Expands Borrowing Capacity, Significantly Reduces Cost of Capital, Lowers Interest Expense by an Estimated $11 Million Annually, and Extends Maturity to 2025 - Barranquilla, Colombia – November 2, 2020 - Tecnoglass, Inc. (NASDAQ: TGLS) (“Tecnoglass” or the “Company”), a leading manufacturer of architectural glass, windows, and as

Entry into a Material Definitive Agreement, Termination of a Material Definitive Agreement, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant, Other Events, 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): October 30, 2020 TECNOGLASS INC. (Exact Name of Registrant as Specified in Charter) Cayman Islands 001-35436 98-1271120 (State or Other Jurisdiction (Commission (IRS Employer of Incor

Tecnoglass Reports Second Quarter 2020 Results - Reports Net Income of $16.1 Million, or $0.35 per diluted share - - Focused Execution and Structural Advantages Produced Record Gross Margin of 38.8%; Adjusted EBITDA of $23.3 million at a Record Margi

Exhibit 99.1 Tecnoglass Reports Second Quarter 2020 Results - Reports Net Income of $16.1 Million, or $0.35 per diluted share - - Focused Execution and Structural Advantages Produced Record Gross Margin of 38.8%; Adjusted EBITDA of $23.3 million at a Record Margin of 28.4% - - Generated Record Cash Flow From Operations of $24.3 Million - - Significant Demand Recovery in U.S. Since April Drove Sequ

Financial Statements and Exhibits, Results of Operations and Financial Condition

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): August 6, 2020 TECNOGLASS INC. (Exact Name of Registrant as Specified in Charter) Cayman Islands 001-35436 98-1271120 (State or Other Jurisdiction (Commission (IRS Employer of Incorpo

Quarterly Report -

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (MARK ONE) [X] QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2020 [ ] 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: 001-35436 TECNOGLAS

Tecnoglass Announces Timing of Quarterly Cash Dividend for Second Quarter 2020

Exhibit 99.1 Tecnoglass Announces Timing of Quarterly Cash Dividend for Second Quarter 2020 Barranquilla, Colombia – June 23, 2020 - Tecnoglass, Inc. (NASDAQ: TGLS) (“Tecnoglass” or the “Company”), a leading manufacturer of architectural glass, windows, and associated aluminum products for the global commercial and residential construction industries, today announced that its Board of Directors ha

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): June 23, 2020 TECNOGLASS INC. (Exact Name of Registrant as Specified in Charter) Cayman Islands 001-35436 98-1271120 (State or Other Jurisdiction (Commission (IRS Employer of Incorpor

Quarterly Report -

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (MARK ONE) [X] QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2020 [ ] 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: 001-35436 TECNOGLA

Tecnoglass Reports First Quarter 2020 Results - Ends Quarter with Strong Liquidity Position And Financial Flexibility - - Reports Record Backlog of $545.6 million - - Provides COVID-19 Business Update -

Exhibit 99.1 Tecnoglass Reports First Quarter 2020 Results - Ends Quarter with Strong Liquidity Position And Financial Flexibility - - Reports Record Backlog of $545.6 million - - Provides COVID-19 Business Update - First Quarter 2020 Highlights ● Total revenues of $87.3 million, impacted by COVID-19 related factors in the second half of March including temporarily suspending production at Colombi

Results of Operations and Financial Condition, 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): May 8, 2020 TECNOGLASS INC. (Exact Name of Registrant as Specified in Charter) Cayman Islands 001-35436 98-1271120 (State or Other Jurisdiction (Commission (IRS Employer of Incorporat

List of subsidiaries.

Exhibit 21 Name of Subsidiary Description C.I. Energía Solar S.A. E.S. Windows A corporation, organized under the laws of Colombia, which is owned directly by Tecnoglass. Energia Solar – ESWINDOWS Paraguay SA A corporation, organized under the laws of Paraguay, which is owned solely by ES. ESWindows LLC A Florida limited liability company organized under the laws of the State of Florida in which T

TGLS / Tecnoglass Inc. 10-K - Annual Report -

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K (Mark One) [X] ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2019 [ ] 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 001-35436 TECNOGLASS INC

Results of Operations and Financial Condition, 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): March 2, 2020 TECNOGLASS INC. (Exact Name of Registrant as Specified in Charter) Cayman Islands 001-35436 98-1271120 (State or Other Jurisdiction (Commission (IRS Employer of Incorpor

Tecnoglass Reports Fourth Quarter and Full Year 2019 Results - Total Revenues Increased 16% to a Record $431 million for Full Year 2019; Led by Strong U.S. Growth - - Net income of $24.3 million and Earnings of $0.55 Per Share for Fully Year 2019 - -

Exhibit 99.1 Tecnoglass Reports Fourth Quarter and Full Year 2019 Results - Total Revenues Increased 16% to a Record $431 million for Full Year 2019; Led by Strong U.S. Growth - - Net income of $24.3 million and Earnings of $0.55 Per Share for Fully Year 2019 - - Cash Flow From Operations Improved to $26.7 million for Full Year 2019 - - Backlog Expanded to a Record $542 Million; Up 5% Year-over-Ye

Tecnoglass Announces All-Cash Quarterly Dividend - Declares Cash Dividend of $0.0275 Per Share for the First Quarter 2020 – - Simplifies Capital Structure Through Discontinuation of Stock Dividends –

Exhibit 99.2 Tecnoglass Announces All-Cash Quarterly Dividend - Declares Cash Dividend of $0.0275 Per Share for the First Quarter 2020 – - Simplifies Capital Structure Through Discontinuation of Stock Dividends – Barranquilla, Colombia – March 2, 2020 - Tecnoglass, Inc. (NASDAQ: TGLS) (“Tecnoglass” or the “Company”), a leading manufacturer of architectural glass, windows, and associated aluminum p

Submission of Matters to a Vote of Security Holders

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): December 20, 2019 TECNOGLASS INC. (Exact Name of Registrant as Specified in Charter) Cayman Islands 001-35436 98-1271120 (State or Other Jurisdiction (Commission (IRS Employer of Inco

TGLS / Tecnoglass Inc. 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 (Amendment No. ) Filed by the Registrant [X] 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))

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): November 20, 2019 TECNOGLASS INC. (Exact Name of Registrant as Specified in Charter) Cayman Islands 001-35436 98-1271120 (State or Other Jurisdiction (Commission (IRS Employer of Inco

Tecnoglass Announces Intent to Delist Shares from the Colombia Stock Exchange - Primary Listing Unchanged on The Nasdaq Stock Market, Which Will Serve as the Exclusive Exchange to Transact Tecnoglass Ordinary Shares -

Tecnoglass Announces Intent to Delist Shares from the Colombia Stock Exchange - Primary Listing Unchanged on The Nasdaq Stock Market, Which Will Serve as the Exclusive Exchange to Transact Tecnoglass Ordinary Shares - Barranquilla, Colombia – November 20, 2019 - Tecnoglass Inc.

TGLS / Tecnoglass Inc. 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 (Amendment No. ) Filed by the Registrant [X] Filed by a Party other than the Registrant [ ] Check the appropriate box: [X] Preliminary Proxy Statement [ ] Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))

TGLS / Tecnoglass Inc. 10-Q - Quarterly Report -

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (MARK ONE) [X] QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2019 [ ] 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: 001-35436 TECN

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, 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): September 11, 2019 TECNOGLASS INC. (Exact Name of Registrant as Specified in Charter) Cayman Islands 001-35436 98-1271120 (State or Other Jurisdiction (Commission (IRS Employer of Inc

Tecnoglass Appoints Carlos Alfredo Cure Cure as a New Director

Tecnoglass Appoints Carlos Alfredo Cure Cure as a New Director Barranquilla, Colombia, September 16, 2019 — Tecnoglass, Inc.

Results of Operations and Financial Condition, 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): August 9, 2019 TECNOGLASS INC. (Exact Name of Registrant as Specified in Charter) Cayman Islands 001-35436 98-1271120 (State or Other Jurisdiction (Commission (IRS Employer of Incorpo

Tecnoglass Reports Second Quarter 2019 Results

Tecnoglass Reports Second Quarter 2019 Results BARRANQUILLA, Colombia – August 9, 2019 – Tecnoglass, Inc.

TGLS / Tecnoglass Inc. 10-Q - Quarterly Report -

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (MARK ONE) [X] QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2019 [ ] 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: 001-35436 TECNOGLAS

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): July 2, 2019 TECNOGLASS INC. (Exact Name of Registrant as Specified in Charter) Cayman Islands 001-35436 98-1271120 (State or Other Jurisdiction of Incorporation) (Commission File Num

Tecnoglass Announces Timing of Regular Quarterly Dividend for Second Quarter 2019

Tecnoglass Announces Timing of Regular Quarterly Dividend for Second Quarter 2019 BARRANQUILLA, Colombia – July 2, 2019 - Tecnoglass, Inc.

Tecnoglass Reports First Quarter 2019 Results

Tecnoglass Reports First Quarter 2019 Results BARRANQUILLA, Colombia – May 9, 2019 – Tecnoglass, Inc.

Results of Operations and Financial Condition, Other Events, 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): May 9, 2019 TECNOGLASS INC. (Exact Name of Registrant as Specified in Charter) Cayman Islands 001-35436 98-1271120 (State or Other Jurisdiction (Commission (IRS Employer of Incorporat

TGLS / Tecnoglass Inc. 10-Q Quarterly Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (MARK ONE) [X] QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2019 [ ] 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: 001-35436 TECNOGLA

Entry into a Material Definitive Agreement, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant

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 2, 2019 TECNOGLASS INC. (Exact Name of Registrant as Specified in Charter) Cayman Islands 001-35436 98-1271120 (State or Other Jurisdiction of Incorporation) (Commission File Numb

Tecnoglass Announces Timing of Regular Quarterly Dividend for First Quarter 2019 And Provides Update on High Return Initiatives

Tecnoglass Announces Timing of Regular Quarterly Dividend for First Quarter 2019 And Provides Update on High Return Initiatives BARRANQUILLA, Colombia – April 8, 2019 - Tecnoglass, Inc.

Other Events, 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): April 8, 2019 TECNOGLASS INC. (Exact Name of Registrant as Specified in Charter) Cayman Islands 001-35436 98-1271120 (State or Other Jurisdiction of Incorporation) (Commission File Nu

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): April 3, 2019 (March 21, 2019) TECNOGLASS INC. (Exact Name of Registrant as Specified in Charter) Cayman Islands 001-35436 98-1271120 (State or Other Jurisdiction of Incorporation) (C

5,000,000 Ordinary Shares Tecnoglass Inc.

Filed Pursuant to Rule 424(b)(4) Registration No. 333-227898 PRELIMINARY PROSPECTUS SUPPLEMENT (To Prospectus dated November 8, 2018) 5,000,000 Ordinary Shares Tecnoglass Inc. This is a public offering of 5,000,000 ordinary shares of Tecnoglass Inc. Our ordinary shares are listed on the NASDAQ Capital Market under the symbol “TGLS.” On March 20, 2019, the last reported sales price of our ordinary

Entry into a Material Definitive Agreement, Other Events, 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): March 21, 2019 TECNOGLASS INC. (Exact Name of Registrant as Specified in Charter) Cayman Islands 001-35436 98-1271120 (State or Other Jurisdiction of Incorporation) (Commission File N

Underwriting Agreement, dated March 21, 2019, between Tecnoglass Inc. and Robert W. Baird & Co. and Raymond James & Associates, Inc., as representatives of the underwriters.

EXECUTION VERSION Tecnoglass Inc. (Cayman Islands exempted company) 5,000,000 Ordinary Shares1 ($0.0001 par value per share) Underwriting Agreement New York, New York March 21, 2019 Robert W. Baird & Co. Raymond James & Associates, Inc. as Representatives of the several Underwriters c/o Robert W. Baird & Co. Incorporated 777 East Wisconsin Avenue, Suite 2800 Milwaukee, Wisconsin 53202 c/o Raymond

Tecnoglass Announces Pricing of Follow-On Offering of Ordinary Shares

EX-99.1 6 ex99-1.htm Tecnoglass Announces Pricing of Follow-On Offering of Ordinary Shares BARRANQUILLA, Colombia – March 21, 2019 – Tecnoglass Inc. (NASDAQ: TGLS) (“Tecnoglass” or the “Company”), a leading manufacturer of architectural glass, windows, and associated aluminum products for the global commercial and residential construction industries, today announced the pricing of an underwritten

Other Events, Other Events, 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): March 11, 2019 TECNOGLASS INC. (Exact Name of Registrant as Specified in Charter) Cayman Islands 001-35436 98-1271120 (State or Other Jurisdiction of Incorporation) (Commission File N

Tecnoglass Announces Proposed Follow-On Offering of Ordinary Shares

Tecnoglass Announces Proposed Follow-On Offering of Ordinary Shares BARRANQUILLA, Colombia –March 11, 2019 – Tecnoglass Inc.

Subject to Completion Prospectus Supplement dated March 11, 2019

Filed Pursuant to Rule 424(b)(4) Registration No. 333-227898 The information in this preliminary prospectus supplement is not complete and may be changed. This preliminary prospectus supplement and the accompanying prospectus are not an offer to sell these securities and it is not soliciting an offer to buy these securities in any state where an offer or sale is not permitted. Subject to Completio

List of subsidiaries.

Exhibit 21 Name of Subsidiary Description C.I. Energía Solar S.A. E.S. Windows A corporation, organized under the laws of Colombia, which is owned directly by Tecnoglass. Energia Solar – ESWINDOWS Paraguay SA A corporation, organized under the laws of Paraguay, which is owned solely by ES. ESWindows LLC A Florida limited liability company organized under the laws of the State of Florida in which T

TGLS / Tecnoglass Inc. (Annual Report)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K (Mark One) [X] ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2018 [ ] 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 001-35436 TECNOGLASS INC

Settlement Agreement, dated June 30, 2018, between the Company and Giovanni Monti

FIRST AMENDMENT TO THE DEBT SETTLEMENT AGREEMENT THIS FIRST AMENDMENT TO THE DEBT SETTLEMENT AGREEMENT, effective as of June 30, 3018 (“Effective Date”), is made by and among (i) TECNOGLASS INC.

Financial Statements and Exhibits, Results of Operations and Financial Condition

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 7, 2019 TECNOGLASS INC. (Exact Name of Registrant as Specified in Charter) Cayman Islands 001-35436 98-1271120 (State or Other Jurisdiction of Incorporation) (Commission File Nu

Tecnoglass Reports Fourth Quarter and Full Year 2018 Results - Total Revenues Increased 18% to a Record $371.0 million for Full Year 2018; Led by Strong U.S. Growth - - Net Income Grew 48% to $8.5 million for Full Year 2018 - - Adjusted Net Income Ex

Tecnoglass Reports Fourth Quarter and Full Year 2018 Results - Total Revenues Increased 18% to a Record $371.

Regulation FD Disclosure, 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): January 11, 2019 TECNOGLASS INC. (Exact Name of Registrant as Specified in Charter) Cayman Islands 001-35436 98-1271120 (State or Other Jurisdiction (Commission (IRS Employer of Incor

Tecnoglass Enters Into Strategic Joint Venture Agreement with Saint-Gobain - Tecnoglass to Purchase Minority Stake in Saint-Gobain’s Existing Colombia-Based Float Glass Operation - - JV Partners to Build New State-of-the-Art Facility Near Tecnoglass

Tecnoglass Enters Into Strategic Joint Venture Agreement with Saint-Gobain - Tecnoglass to Purchase Minority Stake in Saint-Gobain’s Existing Colombia-Based Float Glass Operation - - JV Partners to Build New State-of-the-Art Facility Near Tecnoglass Headquarters - - JV to Provide Ample Access to Float Glass Supply, Reduces Procurement and Other Operating Costs and Expands Vertical Integration Strategy to Nearly Entire Production Process - BARRANQUILLA, Colombia – January 11, 2019 - Tecnoglass Inc.

Investment Agreement dated January 11, 2019, by and among Tecnoglass Inc., Holding Concorde S.A.S., Saint-Gobain Colombia S.A.S., Saint-Gobain Cristaleria S.L., and Pilkington International Holdings B.V.

INVESTMENT AGREEMENT by and between TECNOGLASS INC. and HOLDING CONCORDE S.A.S., SAINT-GOBAIN COLOMBIA S.A.S., SAINT GOBAIN CRISTALERÍA S.L., and PILKINGTON INTERNATIONAL HOLDINGS B.V.; dated as of January 11, 2019 Table of Contents ARTICLE I DEFINITIONS 2 Section 1.01 Certain Definitions. 2 Section 1.02 Construction. 10 ARTICLE II PURPOSE AND USE OF CONTRIBUTIONS 11 Section 2.01 Purpose. 11 Secti

Tecnoglass Announces Timing of Regular Quarterly Dividend for Fourth Quarter 2018

Tecnoglass Announces Timing of Regular Quarterly Dividend for Fourth Quarter 2018 BARRANQUILLA, Colombia – January 9, 2019 - Tecnoglass, Inc.

Other Events, 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): January 9, 2019 TECNOGLASS INC. (Exact Name of Registrant as Specified in Charter) Cayman Islands 001-35436 98-1271120 (State or Other Jurisdiction (Commission (IRS Employer of Incorp

Submission of Matters to a Vote of Security Holders

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): December 12, 2018 TECNOGLASS INC. (Exact Name of Registrant as Specified in Charter) Cayman Islands 001-35436 98-1271120 (State or Other Jurisdiction (Commission (IRS Employer of Inco

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

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 29, 2018 TECNOGLASS INC. (Exact Name of Registrant as Specified in Charter) Cayman Islands 001-35436 98-1271120 (State or Other Jurisdiction (Commission (IRS Employer of Inco

TGLS / Tecnoglass Inc. DEF 14A

DEF 14A 1 def14a.htm 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. ) Filed by the Registrant [X] Filed by a Party other than the Registrant [ ] Check the appropriate box: [ ] Preliminary Proxy Statement [ ] Confidential, for Use of the Commission Only (as permitted

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, 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): November 6, 2018 TECNOGLASS INC. (Exact Name of Registrant as Specified in Charter) Cayman Islands 001-35436 98-1271120 (State or Other Jurisdiction (Commission (IRS Employer of Incor

Tecnoglass Appoints Luis Fernando Castro Vergara as a New Director to Replace Departing Board Member

Tecnoglass Appoints Luis Fernando Castro Vergara as a New Director to Replace Departing Board Member Barranquilla, Colombia – November 13, 2018 - Tecnoglass, Inc.

Tecnoglass Reports Third Quarter 2018 Results - Raises Full Year 2018 Outlook for Total Revenues and Adjusted EBITDA1 to a range of $360-$370 million and $79-82 million, respectively- - Total Revenues Increase 16% to a Record $97.0 million - - Adjust

Tecnoglass Reports Third Quarter 2018 Results - Raises Full Year 2018 Outlook for Total Revenues and Adjusted EBITDA1 to a range of $360-$370 million and $79-82 million, respectively- - Total Revenues Increase 16% to a Record $97.

Results of Operations and Financial Condition, 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): November 7, 2018 TECNOGLASS INC. (Exact Name of Registrant as Specified in Charter) Cayman Islands 001-35436 98-1271120 (State or Other Jurisdiction (Commission (IRS Employer of Incor

TGLS / Tecnoglass Inc. 10-Q (Quarterly Report)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (MARK ONE) [X] QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2018 [ ] 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: 001-35436 TECN

TGLS / Tecnoglass Inc. CORRESP

Tecnoglass Inc. Avenida Circunvalar a 100 mts de la Via 40 Barrio Las Flores, Barranquilla Colombia November 6, 2018 VIA EDGAR Ms. Kathryn McHale Office of Manufacturing and Construction Division of Corporation Finance Securities and Exchange Commission 100 F Street NE Washington, DC 20549 RE: Tecnoglass Inc. Registration Statement on Form S-3 File No. 333-227898 Dear Ms. McHale: Tecnoglass Inc. (

Form of Indenture for Subordinated Debt Securities between the Registrant and Trustee to be designated.

Exhibit 4.6 TECNOGLASS INC., As Issuer, AND [], As Trustee INDENTURE DATED AS OF [] [], 20[] SENIOR DEBT SECURITIES CROSS-REFERENCE TABLE (1) Section of Trust Indenture Act of 1939, as Amended Indenture 310(a) 7.10 310(b) 7.09; 7.11 310(c) Inapplicable 311(a) 7.14 311(b) 7.14 311(c) Inapplicable 312(a) 5.02(a) 312(b) 5.02(c) 312(c) Inapplicable 313(a) 5.04(a) 313(b) 5.04(b) 313(c) 5.04(a); 5.04(b)

Form of Indenture for Senior Debt Securities between the Registrant and Trustee to be designated.

Exhibit 4.5 TECNOGLASS INC., As Issuer, AND , As Trustee INDENTURE DATED AS OF [] [], 20[] SUBORDINATED DEBT SECURITIES CROSS-REFERENCE TABLE (1) Section of Trust Indenture Act of 1939, as Amended Indenture 310(a) 7.10 310(b) 7.09; 7.11 310(c) Inapplicable 311(a) 7.14 311(b) 7.14 311(c) Inapplicable 312(a) 5.02(a) 312(b) 5.02(c) 312(c) Inapplicable 313(a) 5.04(a) 313(b) 5.04(b) 313(c) 5.04(a); 5.0

Statement re: Computation of Ratio of Earnings to Fixed Charges and Preference Dividends.

Computation of Ratio of Earnings to Fixed Charges (In thousands, except ratios) 6 Months Ended For the Year ended December 31, June 30, 2018 2017 2016 2015 2014 2013 Earnings Income before provision for income taxes $ 10,675 $ 11,518 $ 39,252 $ 9,671 $ 18,049 $ 31,008 Add: Fixed Charges 10,411 19,882 17,191 10,657 9,045 7,886 Add: Amortization of interest capitalized during prior periods 147 141 1

TGLS / Tecnoglass Inc. S-3

As filed with the Securities and Exchange Commission on October 19, 2018 Registration No.

Tecnoglass and Schüco Announce a New Strategic Alliance - Creates Shared Distribution Network Within the Americas - - Tecnoglass to Manufacture and Sell Schüco Branded Products - - Tecnoglass to Supply Glass and Aluminum Products to Schüco -

Tecnoglass and Schüco Announce a New Strategic Alliance - Creates Shared Distribution Network Within the Americas - - Tecnoglass to Manufacture and Sell Schüco Branded Products - - Tecnoglass to Supply Glass and Aluminum Products to Schüco - BARRANQUILLA, Colombia – September 24, 2018 – Tecnoglass, Inc.

Other Events, 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): September 24, 2018 TECNOGLASS INC. (Exact Name of Registrant as Specified in Charter) Cayman Islands 001-35436 98-1271120 (State or Other Jurisdiction of Incorporation) (Commission Fi

Tecnoglass Declares Dividend for Third Quarter 2018

Tecnoglass Declares Dividend for Third Quarter 2018 BARRANQUILLA, Colombia – September 7, 2018 - Tecnoglass, Inc.

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): September 7, 2018 TECNOGLASS INC. (Exact Name of Registrant as Specified in Charter) Cayman Islands 001-35436 98-1271120 (State or Other Jurisdiction (Commission (IRS Employer of Inco

TGLS / Tecnoglass Inc. NT 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 12b-25 OMB APPROVAL OMB Number: . . . . . . . . . . . . 3235-0058 Expires: . . . . . . . . . . .. October 31, 2018 Estimated average burden hours per response. . . . . . . . . . . . . . .2.50 NOTIFICATION OF LATE FILING SEC FILE NUMBER 001-35436 CUSIP NUMBER G87264100 (Check One): [ ] Form 10-K [ ] Form 20-F [ ] Form 11-K

TGLS / Tecnoglass Inc. 10-Q (Quarterly Report)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (MARK ONE) [X] QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2018 [ ] 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: 001-35436 TECNOGLAS

Tecnoglass Reports Second Quarter 2018 Results - Total Revenues Increase 10% to a Record $89.0 million - - Adjusted EBITDA1 Increases 36% to $18.3 Million - - Backlog of $497 million; Up 2.1% Year-over-Year - - Reaffirms Full Year 2018 Outlook -

Tecnoglass Reports Second Quarter 2018 Results - Total Revenues Increase 10% to a Record $89.

Results of Operations and Financial Condition, 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): August 8, 2018 TECNOGLASS INC. (Exact Name of Registrant as Specified in Charter) Cayman Islands 001-35436 98-1271120 (State or Other Jurisdiction (Commission (IRS Employer of Incorpo

Other Events, 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 19, 2018 TECNOGLASS INC. (Exact Name of Registrant as Specified in Charter) Cayman Islands 001-35436 98-1271120 (State or Other Jurisdiction (Commission (IRS Employer of Incorpor

TECNOGLASS ANNOUNCES TIMING OF REGULAR QUARTERLY DIVIDEND FOR SECOND QUARTER 2018

TECNOGLASS ANNOUNCES TIMING OF REGULAR QUARTERLY DIVIDEND FOR SECOND QUARTER 2018 BARRANQUILLA, Colombia – June 19, 2018 - Tecnoglass, Inc.

TECNOGLASS reports First QUARTER 2018 RESULTS - Total Revenues Increases 29% to a Record $84.9 million, including 21% Organic Growth - - Net Income Grows to $10.5 Million and Adjusted EBITDA Increases 30% to a Record Q1 $17.9 Milion - - Backlog Expan

TECNOGLASS reports First QUARTER 2018 RESULTS - Total Revenues Increases 29% to a Record $84.

Results of Operations and Financial Condition, 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): May 9, 2018 TECNOGLASS INC. (Exact Name of Registrant as Specified in Charter) Cayman Islands 001-35436 98-1271120 (State or Other Jurisdiction (Commission (IRS Employer of Incorporat

TGLS / Tecnoglass Inc. 10-Q (Quarterly Report)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (MARK ONE) [X] QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2018 [ ] 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: 001-35436 TECNOGLA

TECNOGLASS COMPLETES PAYMENT OBLIGATIONS FOR PURCHASE OF GM&P

TECNOGLASS COMPLETES PAYMENT OBLIGATIONS FOR PURCHASE OF GM&P BARRANQUILLA, Colombia – May 7, 2018 - Tecnoglass, Inc.

Entry into a Material Definitive Agreement, Financial Statements and Exhibits, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant

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 4, 2018 TECNOGLASS INC. (Exact Name of Registrant as Specified in Charter) Cayman Islands 001-35436 98-1271120 (State or Other Jurisdiction (Commission (IRS Employer of Incorporat