Ultrapar (UGP) taps Itaú Corretora as market maker to support UGPA3 liquidity on B3

Rhea-AI Filing Summary

Ultrapar Participações S.A., parent of Ultrapar Holdings Inc., has signed a market maker service agreement with Itaú Corretora de Valores S.A.. Starting September 2, 2025, Itaú will act as market maker for Ultrapar’s common, no-par-value shares traded on B3 under ticker UGPA3.

The agreement has an indefinite term and is intended to enhance trading liquidity for Ultrapar’s shares, following Brazilian Securities and Exchange Commission Resolutions 44/2021 and 133/2022 and B3’s rules. Ultrapar also states it has not entered into any voting or buy-and-sell agreement with the market maker and reports 1,067,779,023 common shares outstanding as of the notice date.

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FAQ

What did Ultrapar (UGP) announce in this Form 6-K filing?

Ultrapar announced a market maker agreement with Itaú Corretora for its UGPA3 shares. The arrangement, effective September 2, 2025, targets improved share liquidity on B3 while complying with Brazilian securities regulations and B3 trading rules.

Who is the market maker for Ultrapar (UGP) shares on B3 and when do they start?

Itaú Corretora de Valores S.A. will act as market maker for Ultrapar’s UGPA3 shares. The service begins on September 2, 2025, under an agreement with an indefinite term, subject to Brazilian CVM resolutions and B3’s operational regulations.

Which Ultrapar (UGP) securities are covered by the new market maker agreement?

The agreement covers Ultrapar’s common, registered, no-par-value shares traded on B3 under the ticker UGPA3. Itaú Corretora will perform market making activities for these shares in line with Resolution 133/2022 and B3’s trading rules.

How many Ultrapar (UGP) shares were outstanding when the notice was issued?

Ultrapar reported 1,067,779,023 common shares outstanding as of the notice date. This figure provides context for the size of the company’s equity base subject to trading and potential liquidity support from the new market making arrangement.

Does Ultrapar (UGP) have any voting or trading agreements with the market maker?

Ultrapar states it has no agreement with Itaú Corretora governing voting rights or the purchase and sale of its securities. The disclosed contract is limited to market making services under Brazilian securities rules and B3’s trading regulations.

What is the main purpose of Ultrapar’s new market maker agreement?

The agreement aims to enhance liquidity of Ultrapar’s UGPA3 shares on B3. By appointing Itaú Corretora as market maker, the company seeks more consistent trading conditions while adhering to Brazilian CVM resolutions and exchange operational standards.

UNITED STATES

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 September 2025

Commission File Number: 001-14950

ULTRAPAR HOLDINGS INC.

(Translation of Registrant’s Name into English)

Brigadeiro Luis Antonio Avenue, 1343, 9th Floor

São Paulo, SP, Brazil 01317-910

(Address of Principal Executive Offices)

Indicate by check mark whether the registrant files or will file annual reports under cover of 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):

Yes ________ No ____X____

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):

Yes ________ No ____X____

ULTRAPAR HOLDINGS INC.

TABLE OF CONTENTS

ITEM

1. Material Notice

ULTRAPAR PARTICIPAÇÕES S.A.

MATERIAL NOTICE

Appointment of Market Maker

São Paulo, September 1^st, 2025 – Ultrapar Participações S.A. (B3: UGPA3; NYSE: UGP, 'Ultrapar' or 'Company'), in compliance with the provisions of the Brazilian Securities and Exchange Commission (CVM) Resolutions No. 44/2021 and 133/2022, announces that it has entered into a market maker service agreement ('Agreement') with Itaú Corretora de Valores S.A., a company headquartered at Avenida Brigadeiro Faria Lima, 3500, 3rd floor, part, registered with the CNPJ under No. 61.194.353/0001-64 ('Market Maker'), to perform, as of September 2nd, 2025, the role of market maker for the Company’s common, registered, and no-par-value shares traded on B3 S.A. – Brasil, Bolsa, Balcão ('B3') under the ticker 'UGPA3'.

The Agreement will remain in force for an indefinite term and aims to enhance the liquidity of Ultrapar’s shares, in compliance with the rules established by CVM Resolution No. 133/2022, the regulations of the Market Maker and B3’s trading operations, as well as other applicable laws and regulations.

Additionally, the Company informs that it has not entered into any agreement regulating the exercise of voting rights or the purchase and sale of securities issued by the Company with the Market Maker, and that it has 1,067,779,023 common shares outstanding as of today.

Alexandre Mendes Palhares

Chief Financial and Investor Relations Officer

Ultrapar Participações S.A.

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: September 1, 2025                                          

	ULTRAPAR HOLDINGS INC.
	By:	/s/ Alexandre Mendes Palhares
	Name:	Alexandre Mendes Palhares
	Title:	Chief Financial and Investor Relations Officer

(Material notice)