UGP Ultrapar Participacoes SA New

UNITED STATES

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

For the month of May 2023

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. Market announcement

ULTRAPAR PARTICIPAÇÕES S.A.

              Acquisition of relevant ownership position by Ultra S.A. and Parth

São Paulo, May 4, 2023 – Ultrapar Participações S.A. (B3: UGPA3 / NYSE: UGP, “Ultrapar” or “Company”), in compliance with CVM Resolution 44/21, hereby informs that it was notified by Ultra S.A. Participações (“Ultra S.A.”) and Parth do Brasil Participações Ltda. (“Parth”) on this date that the shareholders bound by the Shareholders' Agreement celebrated on August 18, 2020 increased their ownership position in the Company and currently hold, in an aggregate manner, 35.4% of the total common shares issued by Ultrapar, totaling 395,247,360 shares.

Ultra S.A. and Parth also informed that “the ownership position that was reached aims to reinforce the principles that have ruled the performance of Ultrapar's reference shareholders for the continuous protection of all shareholders’ interests and the assurance that the Company continues to be managed professionally and independently”.

Rodrigo de Almeida Pizzinatto

Chief Financial and Investor Relations Officer

Ultrapar Participações S.A.