FORM 6 - K

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

Report of Foreign Private Issuer

Pursuant to Rule 13a - 16 or 15d - 16 of

the Securities Exchange Act of 1934

As of 7/12/2023

Ternium S.A.

(Translation of Registrant's name into English)

Ternium S.A.

26, Boulevard Royal, 4th floor

L-2449 Luxembourg

(352) 2668-3152

(Address of principal executive offices)

Indicate by check mark whether the registrant files or will file annual reports under cover Form 20-F or 40-F.

Form 20-Fa Form 40-F __

Indicate by check mark whether the registrant by furnishing the information contained in this Form is also thereby furnishing the information to the Commission pursuant to Rule 12G3-2(b) under the Securities Exchange Act of 1934.

Yes __ Noa

If “Yes” is marked, indicate below the file number assigned to the registrant in connection with Rule 12g3-2(b):

Not applicable

The attached material is being furnished to the Securities and Exchange Commission pursuant to Rule 13a-16 and Form 6-K under the Securities Exchange Act of 1934, as amended.

This report contains Ternium S.A.’s press release announcing that Ternium Releases Sustainability Report 2022.

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

TERNIUM S.A.

By: /s/ Guillermo Etchepareborda        By: /s/ Sebastián Martí

Name: Guillermo Etchepareborda        Name: Sebastián Martí

Title: Attorney in Fact                Title: Attorney in Fact

Dated: July 12, 2023

Sebastián Martí

Ternium - Investor Relations

+1 (866) 890 0443

+54 (11) 4018 8389

www.ternium.com

Ternium Releases Sustainability Report 2022

Luxembourg, July 12, 2023 – Ternium S.A. (NYSE: TX) today released its Sustainability Report 2022. The company’s Sustainability Report describes Ternium’s business strategy and its approach to ESG issues including Climate Change, Environment, Employees, Communities and Value Chain. The report also reinforces the idea of integrity as key to Ternium's long-term sustainability.

Ternium's Sustainability Report has been prepared following the international standards set by GRI (Global Reporting Initiative) and SASB (Sustainability Accounting Standards Board), the guidelines of the World Steel Association, as well as the recommendations of the TCFD (Task Force on Climate-related Financial Disclosures) regarding climate change reporting. It also describes the contributions made by the company to the sustainable development goals of the UN.

The report is available at www.ternium.com.

About Ternium

Ternium is Latin America’s leading flat steel producer, with operating facilities in Mexico, Brazil, Argentina, Colombia, the southern United States and Central America. The company offers a broad range of high value-added steel products for customers active in the automotive, home appliances, HVAC, construction, capital goods, container, food and energy industries through its manufacturing facilities, service center and distribution networks, and advanced customer integration systems. More information about Ternium is available at www.ternium.com.

Forward Looking Statements

Some of the statements contained in this press release are “forward-looking statements”. Forward-looking statements are based on management’s current views and assumptions and involve known and unknown risks that could cause actual results, performance or events to differ materially from those expressed or implied by those statements. These risks include but are not limited to risks arising from uncertainties as to gross domestic product, related market demand, global production capacity, tariffs, cyclicality in the industries that purchase steel products and other factors beyond Ternium’s control.