Braskem (BAK) outlines long-term Petrobras propylene supply contracts

Rhea-AI Filing Summary

Braskem S.A. filed a Form 6-K describing new related-party supply contracts with Petróleo Brasileiro S.A. – Petrobras, a shareholder with significant influence over Braskem. The companies agreed on three long-term contracts for Petrobras to supply polymer-grade propylene from the Duque de Caxias (REDUC), Capuava (RECAP) and Alberto Pasqualini (REFAP) refineries.

The contracts run from May 18, 2026 to April 30, 2031, with pricing based on international price references. Contracted volumes include up to 100,000 tons per year from REDUC and up to 140,000 tons per year from RECAP, while REFAP volumes will follow specific provisions in the agreements. The contracts allow negotiation of additional volumes and possible transfer of obligations between existing propylene contracts. Braskem states that Petrobras and its management did not participate in Braskem’s internal decision process or negotiations as its representatives, and management justifies the terms as purchases at international prices.

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 6-K

REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13A-16
OR 15D-16 OF THE SECURITIES EXCHANGE ACT OF 1934

For the month of December, 2025

(Commission File No. 1-14862 )

BRASKEM S.A.

(Exact Name as Specified in its Charter)

N/A

(Translation of registrant's name into English)

Rua Eteno, 1561, Polo Petroquimico de Camacari
Camacari, Bahia - CEP 42810-000 Brazil

(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 ______

Indicate by check mark if the registrant is submitting the Form 6-K
in paper as permitted by Regulation S-T Rule 101(b)(1). _____

Indicate by check mark if the registrant is submitting the Form 6-K
in paper as permitted by Regulation S-T Rule 101(b)(7). _____

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 ______       No ___X___

If "Yes" is marked, indicate below the file number assigned to the registrant in connection with Rule 12g3-2(b): 82- _____.

 

NOTICE ON RELATED-PARTY TRANSACTIONS

Parties	Braskem and Petróleo Brasileiro S.A. – Petrobras ("Petrobras")
Relationship with the issuer	Petrobras is a Shareholder with Significant Influence over Braskem.
Purpose	Celebration of 3 contracts for the supply of polymer-grade propylene by Petrobras to Braskem through the following refineries: (i) Duque de Caxias Refinery (“REDUC”); (ii) Capuava Refinery (“RECAP”); (iii) Alberto Pasqualini Refinery (“REFAP”).
Key Terms and Conditions	Term: from May 18, 2026 to April 30, 2031. Pricing: based on international price references. Contract volumes: in the following quantities: (i) up to 100,000 (one hundred thousand) tons per year of polymer grade propene supplied by REDUC; (ii) up to 140,000 (one hundred and forty thousand) tons per year supplied by RECAP; (iii) with respect to REFAP, the annual volume will follow the provisions below:   The contracts provide for the possibility of negotiating additional volumes. The contracts also provide for the possibility of transferring contractual obligations between the existing propylene contracts between Braskem and Petrobras.
Transaction date	12/18/2025
Possible participation of the counterparty, its partners, or managers in the issuer's decision making process or negotiation of the transaction as representatives of the issuer	The counterparty and its partners and managers have not participated in Braskem’s decision process or the negotiations of the mentioned contracts.
Detailed justification of the reasons why the issuer's management considers that the transaction has complied with commutative conditions or provides for an appropriate reverse payment	Referring to the purchase of polymer-grade propylene at international prices.

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: December 23, 2025

	BRASKEM S.A.
	By:	/s/     Felipe Montoro Jens
		Name:	Felipe Montoro Jens
		Title:	Chief Financial Officer

DISCLAIMER ON FORWARD-LOOKING STATEMENTS

This report on Form 6-K may contain forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. These statements are statements that are not historical facts, and are based on our management’s current view and estimates of future economic and other circumstances, industry conditions, company performance and financial results, including any potential or projected impact of the geological event in Alagoas and related legal proceedings and of COVID-19 on our business, financial condition and operating results. The words “anticipates,” “believes,” “estimates,” “expects,” “plans” and similar expressions, as they relate to the company, are intended to identify forward-looking statements. Statements regarding the potential outcome of legal and administrative proceedings, the implementation of principal operating and financing strategies and capital expenditure plans, the direction of future operations and the factors or trends affecting our financial condition, liquidity or results of operations are examples of forward-looking statements. Such statements reflect the current views of our management and are subject to a number of risks and uncertainties, many of which are outside of the our control. There is no guarantee that the expected events, trends or results will actually occur. The statements are based on many assumptions and factors, including general economic and market conditions, industry conditions, and operating factors. Any changes in such assumptions or factors, including the projected impact of the geological event in Alagoas and related legal proceedings and the unprecedented impact of COVID-19 pandemic on our business, employees, service providers, stockholders, investors and other stakeholders, could cause actual results to differ materially from current expectations. Please refer to our annual report on Form 20-F for the year ended December 31, 2019 filed with the SEC, as well as any subsequent filings made by us pursuant to the Exchange Act, each of which is available on the SEC’s website (www.sec.gov), for a full discussion of the risks and other factors that may impact any forward-looking statements in this presentation.

FAQ

What related-party transaction did Braskem (BAK) report in this Form 6-K?

Braskem reported the execution of three related-party contracts with Petróleo Brasileiro S.A. – Petrobras for the supply of polymer-grade propylene from Petrobras refineries to Braskem.

Who is Petrobras in relation to Braskem (BAK)?

Petrobras is described as a shareholder with significant influence over Braskem, making these propylene supply contracts a related-party transaction.

What are the key terms of Braskem’s propylene supply contracts with Petrobras?

The contracts run from May 18, 2026 to April 30, 2031, use international price references for pricing, and cover defined annual volumes from three Petrobras refineries, with options to negotiate additional volumes and transfer contractual obligations.

What annual propylene volumes are included in Braskem’s contracts with REDUC and RECAP?

The contracts provide for up to 100,000 tons per year of polymer-grade propylene from REDUC and up to 140,000 tons per year from RECAP. Annual volume from REFAP will follow specific contractual provisions.

Did Petrobras participate in Braskem’s decision process for these related-party contracts?

The disclosure states that the counterparty, its partners and managers did not participate in Braskem’s internal decision-making process or the negotiations of these contracts as representatives of Braskem.

How does Braskem justify the fairness of the Petrobras related-party contracts?

Braskem’s management states that the contracts involve the purchase of polymer-grade propylene at international prices, which is cited as the basis for considering the conditions appropriate.