6-K
Gerdau S.A. (GGB)
U.S. SECURITIES AND EXCHANGE COMMISSION
Washington**,D.C. 20549**
FORM 6-K
REPORT OF FOREIGN PRIVATE ISSUER
PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE
SECURITIESEXCHANGE ACT OF 1934
Dated March 16, 2023
Commission File Number 1-14878
GERDAU S.A.
(Translation of Registrant’s Name into English)
Av. Dra. Ruth Cardoso, 8,501 – 8° andar
São Paulo, São Paulo - Brazil CEP 05425-070
(Address of principal executive offices)
Indicate by check mark whether the registrant files or will file annual reports under cover Form 20-F or Form 40-F.
Form 20-F x Form 40-F ¨
Exhibit Index
| Exhibit | Description of Exhibit |
|---|---|
| 99.1 | Material Fact, March 15,<br>2023 |
SIGNATURES
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.
Date: March 16, 2023
| GERDAU S.A. | |
|---|---|
| By: | /s/ Rafael Dorneles Japur |
| Name: | Rafael Dorneles Japur |
| Title: | Executive Vice President |
| Investor Relations Officer |
Exhibit 99.1

GERDAUS.A.
Tax ID (CNPJ/ME) 33.611.500/0001-19
Registry (NIRE): 35300520696
materialfact
Gerdau S.A. (B3: GGBR / NYSE: GGB), ("Company") in addition to the Material Fact disclosed on November 25, 2022, hereby informs its shareholders and the market in general that the transaction between its subsidiary Gerdau Next S.A. (“Gerdau Next”) and Fundo Newave Energia I Advisory Fundo de Investimento em Participações Multiestratégia (“NW Capital”), as investors, with Newave Energia S.A. (“Newave”) was concluded on March 15, 2023, after observance of the respective precedent conditions, aiming at (i) the subscription of equity interest in the capital stock of Newave by Gerdau Next and NW Capital, in the proportions of 33.33% and 66.67%, respectively; and (ii) the long-term acquisition of energy, by the Company and its subsidiaries, of 30% (thirty percent) of the energy generated by the energy generation projects directly or indirectly held by Newave and its subsidiaries, on a self-production basis (“Transaction”).
In this first phase of the Transaction, Gerdau Next subscribed R$ 500,000,000.00 (five hundred million reais), which must be paid in up to 18 (eighteen) months, according to capital calls and provided that the conditions related to the capital contributions agreed with Newave.
The operation aims to generate greater cost competitiveness in the steel business and provide the Company with a clean energy supply and strives to achieve the carbon emission reduction targets set by the Company.
São Paulo, March 15, 2023
Rafael Dorneles Japur
Executive Vice-President
Investor Relations Officer