Document:

EX-4.19

 Exhibit 4.19 

English Language Summary of the Acquisition of Liquigás Distribuidora S.A. by Companhia Ultragaz S.A. dated November 17, 2016 

On November 17, 2016, Ultrapar Participações S.A. (“Ultrapar”) and its subsidiary Companhia Ultragaz S.A.
(“Ultragaz”) executed the Sale and Purchase Agreement of Shares and Other Covenants (“SPA”) for the acquisition (the “Acquisition”) of the entirety of Petróleo Brasileiro S.A. –
Petrobras’s (the “Seller”) equity interest in Liquigás Distribuidora S.A.—Liquigás (“Liquigás”). 

Purchase Price 
 The total price due for the
Acquisition is R$2,665,569,000.00 (two billion, six hundred sixty-five million, five hundred sixty-nine thousand reais) (“Base Acquisition Price”), which shall be adjusted according to
the average CDI rate, calculated daily and published by the Securities Custody and Settlement Center (Central de Custódia e Liquidação Financeira de Títulos—CETIP), between the SPA’s execution date and
the closing date of the Acquisition (“Closing Date” and “Acquisition Price”, respectively). 
 The Base Acquisition Price
corresponds to an enterprise value of R$2,800,000,000.00 (two billion, eight hundred million reais), plus the value attributed to certain non-operational fixed assets held by Liquigás in the city of Osasco (the “Osasco
Assets”) minus Liquigás’ net debt as of December 31, 2015 (corresponding to R$196,031,000.00 (one hundred ninety-six million and thirty-one thousand reais)). 

In the event that the Osasco Assets are transferred by Liquigás to a third party prior to the Closing Date, the Acquisition Price shall be further
reduced by the value of such potential sale of the Osasco Assets, adjusted according to the variation of the CDI rate in the period between execution date of the SPA and the Closing Date. The Acquisition Price is subject to further price adjustments
based on variations in (i) Liquigás’ working capital and (ii) Liquigás’ net debt position, in each case for the period between December 31, 2015 and the Closing Date (to be calculated after the Closing Date).

 Representations and Warranties 
 The
Seller’s representations and warranties include, but are not limited to, the following: (i) the due incorporation and valid existence of the Seller and Liquigás according to the Brazilian law; (ii) the Seller’s capacity,
as well as Liquigás’, to execute the SPA, comply with obligations assumed thereunder and complete the transaction set forth therein; (iii) no violation of laws, corporate documents of the Seller or of Liquigás and any
instrument executed by the Seller or by Liquigás due to SPA’s execution; (iv) the ownership of shares subject matter of the Acquisition by the Seller and absence of encumbrances; (v) the compliance and adequacy of
Liquigás’ financial statements dated December 31, 2015, and its accounting books and tax records with the Brazilian accounting principles and applicable laws; (vi) the ordinary conduction of Liquigás’ business from
December 31, 2015 through the execution date of the SPA; (vii) the inexistence of material proceedings (according to SPA’s definition) involving Liquigás; (viii) the ownership or possession, by Liquigás, of assets
required to proceed with its ordinary course of business, free from encumbrances; (ix) the maintenance of insurance policies at appropriate amounts by Liquigás; (x) compliance with certain tax matters; (xi) compliance with
certain labor matters; (xii) compliance with certain anti-corruption matters; (xiii) compliance with certain antitrust matters; (xiv) intellectual property held or used by Liquigás; (xv) the compliance with laws by
Liquigás; (xvi) the absence of third parties entitled to received payments as a result of the Acquisition (except the Seller’s financial advisor, whose commission shall be paid by the Seller); and (xvii) the inexistence of
payments or bonuses due to the Acquisition (including to Liquigás’ employees and managers). 

 Indemnification 

Pursuant to the SPA, the Seller shall indemnify Ultragaz, Liquigás (after the Closing Date), its affiliates and respective managers for any losses,
obligations, claims or liabilities, as well as any fines, interest, penalties, costs or expenses, including judicial costs, reasonable attorney’s fees and other experts’ fees (“Losses”), effectively and directly borne or
incurred by such persons as a result of: (i) any inaccuracy, violation or omission of any representation or warranty provided by the Seller under the terms of the SPA; (ii) partial or full non-compliance with any obligation, duty or
agreement assumed by the Seller under the SPA; (iii) non-compliance with anti-corruption laws related to Liquigás’ management and/or businesses and
activities; and/or (iv) of the Osasco Assets in the event they are transferred by Liquigás to a third party prior to the Closing Date. The Seller’s indemnity obligations are not absolute and may be mitigated depending on the nature
and severity of the Loss incurred. Losses specifically related to fraud, tort or bad-faith by the Seller, non-compliance with anti-corruption laws related to
Liquigás’ management and/or businesses and activities, shall be indemnifiable if claimed within a period of up to 5 years as of the Closing Date, limited by the Acquisition Price. 

Termination 
 The SPA sets forth certain
termination events, including, among others: (i) mutual agreement, in writing, by both the parties; (ii) automatically, in the event CADE decides on the definitive decision reproving the Acquisition in its entirety; and (iii) in the
event, for instance, of the occurrence of bankruptcy, judicial recovery, judicial or extrajudicial dissolution by any of the parties or any Governmental Authority has created or imposed any Law, order or decree, in any case with permanent effect,
which may make the Acquisition illegal or prohibits its conclusion. 
 Closing 

At the Closing Date, the Seller agrees to transfer its shares in Liquigás to in exchange for the Acquisition Price, executing any documents required by
Brazilian law, the companies’ bylaws or the parent companies’ shareholder agreements to effect this transfer. 
 Conditions Precedent for
Closing 
 The SPA stipulates that the parties’ contractual obligations are subject to certain customary conditions precedent for this type of
transaction, including (i) the accuracy of representations and warranties of the Seller, Liquigás and Ultragaz, (ii) confirmation that there is no law, regulation or order preventing the consummation of the Acquisition according to
the SPA; (iii) the approval of the Brazilian Antitrust Authority – CADE, (iv) approval by the shareholders of Ultrapar at an extraordinary general shareholder’s meeting in accordance with applicable Brazilian legislation, and
(v) approval by the Seller’s shareholders at its general meeting pursuant to its own Bylaws. 
 Final Provisions 

Any dispute or controversy arising out of or relating in any way to the SPA, or in connection therewith, shall be determined by final and binding arbitration
in accordance with Brazilian law, pursuant to the Rules of the International Chamber of Commerce – ICC and with place of arbitration at Rio de Janeiro, RJ.EX-4.20

 Exhibit 4.20 

English Language Summary of the Purchase and Sale Agreement Between Alesat Combustíveis S.A. and Ipiranga Produtos de Petróleo S.A. dated
June 12, 2016 
 On June 12, 2016, Ultrapar Participações S.A. (“Ultrapar”) and its wholly owned subsidiary
Ipiranga Produtos de Petróleo S.A. (“Ipiranga” or the “Purchaser”) executed the purchase and sale agreement of equity interests and other covenants (the “SPA”) for the acquisition, direct and
indirectly, of 100.0% of the equity interests in Alesat Combustíveis S.A. (“Alesat”), as well as the assets comprising its operation (“Acquisition”). 

The SPA was executed by, as sellers, ASM Participações Societárias S.A., DBVA SAT Holdings (Canada), LLC, DBVA SAT Holdings (Delaware),
LLC, Marcelo Henrique Ribeiro Alecrim, Flávia do Carmo de Mello Alecrim, Jair de Andrade Alecrim Neto, Ciro da Fonseca Ferreira, Edna de Fátima Alecrim Ferreira, Jucelino Oliveira de Sousa and J&A Participações e
Consultoria Ltda. (collectively, the “Sellers”) and, also, as intervening parties, DBVA SAT Holdings Administração e Participações Ltda. (“DBVA”), SAT Participações S.A.
(“SAT PAR”), SAT Holdings S.A. (“SAT Holding”), TAS Participações S.A. (“TAS” and, together with DBVA, SAT PAR, SAT Holding, the “Holdings”) and Alesat, and its
subsidiaries, Ale Combustíveis S.A. (the “Subsidiary”), Alecred Promotora de Negócios de Crédito Ltda. (“Promotora”) and Alesat Comercial Importações e Exportações
Ltda. (“Importer” and, together with Alesat, the Subsidiary and the Sales Promoter, the “Operating Companies”), the Operating Companies together with the Holdings, as the “Acquired Companies”. 

Purchase Price 
 The purchase price to be paid for
the Acquisition is R$2,168 million, which is comprised of: 
  

	 	-	Base Price: R$2,112 million, subject to adjustments based on working capital and net debt amounts of the Acquired Companies as of the closing date of the transaction (the “Base Price”);

  

	 	-	Non-competition Obligation for shareholder Marcelo Henrique Ribeiro Alecrim for a period of one (1) year in addition to the 3-year term set forth for certain other sellers: R$8 million; and

  

	 	-	Acquisition of the logistics facilities of Betim and Duque de Caxias, owned by ASM Participações S.A. and Ale Postos de Serviços Ltda.: R$48 million, comprised of R$28.8 million for the
logistics facility of Betim and R$19.2 million for the logistics facility of Duque de Caxias. 

 On the closing date, the Sellers shall
receive the Base Price mentioned above in Brazilian reais, as deducted by (i) R$300 million to be held in escrow; and (ii) an amount corresponding to 15% of the Base Price for net debt and working capital adjustments as of the
closing date. 
 Representations and Warranties 

The main representations and warranties provided by the Sellers, among other usual to transactions of similar nature of the Acquisition, are (i) the
organization (pursuant the terms of the respective jurisdictions), capacity, legitimacy and authorizations required to execute and perform the SPA and to comply with the terms, validity and enforcement, absence of breach and consents required for
the performance of the SPA; (ii) the inexistence of any act, fact, event or demand that may cause any material adverse effect in relation to any of the Acquired Companies and/or to the Sellers; (iii) the proper conduct of the business;
(iv) the compliance and adequacy of the financial statements, title and absence of lien over the assets, compliance, validity and enforceability of the agreements of the Holdings and of the Acquired Companies; (v) compliance and adequacy
of the corporate, tax, social security, accounting books and records as well as other ancillary records, supporting documentation, and other records of the Holdings and of the Acquired Companies; (vi) compliance with labor, tax,
competition/antitrust, environmental and anticorruption obligations; (vii) compliance and good standing of the licenses and authorizations to conduct the business of the Acquired Companies, including the environmental licenses; (viii) the
proper formalization of and compliance with agreements executed; (ix) the absence of liquidation or bankruptcy of the Holdings and of the Acquired Companies; and (x) the maintenance and adequacy of coverage of insurances and performance of
the obligations referring to the insurance policies. 
  

 Indemnification 

The Sellers shall indemnify Ipiranga, the Acquired Companies, and their respective affiliates, management, employees and agents, and, further, each one of
their successors, from and against any other loss, obligation, penalty, fine, impairment, damage, cost and expense borne, incurred or disbursed by any one of them, as result of: (a) any falsehood, error, inaccuracy, incompleteness or violation
of any of the representations and warranties made by the Sellers or by the Acquired Companies to Ipiranga in the SPA; (b) any action or omission of any of the Sellers that results in a breach of the SPA or in a default, noncompliance,
defective, untimely or partial compliance of any obligation of responsibility of the Sellers or of the Acquired Companies; (c) any acts or facts of any nature that occur prior to and up until the closing date of the Acquisition, even if the
consequences thereof are only subsequently verified, whether or not disclosed; and (d) any obligations, liabilities, responsibilities or contingencies of acts, facts, events or omissions of any nature related to the Sellers and/or companies of
their respective business group (excluding acts, facts, events or omissions by the Acquired Companies occurred after the closing date) that occurred at any time before or after the closing date that are charged directly to Ipiranga or its
indemnified parties due to succession or under the theory that, because of the Acquisition, such parties are or were members of the same economic group of the other companies of the respective Seller’s economic group. 

Certain limitations of time and value shall also apply to the indemnity obligations. In addition, except for an event of willful misconduct, fraud or
bad-faith, the parties waived the right to claim or demand any indirect damage, loss of profit, loss of opportunity, mental distress or punitive damages through direct claims from one party against the other. 

Termination 
 The SPA sets forth certain
termination events including: (i) by Ipiranga, in the event of a material adverse change in the business or financial condition of the Acquired Companies or if all representations and warranties given by the Sellers and the Acquired Companies
under the SPA are either not confirmed or confirmed to not be true and correct on the closing date, and (ii) by the Sellers, in the event Ipiranga and Ultrapar fail to comply with the payment of the Purchase Price at the closing date through no
fault of the Sellers, the Acquired Companies and/or their respective managers. Depending on the nature and cause of the termination, certain penalties may apply to the terminating party or parties. 

Closing 
 At the closing date, the parties agree to
transfer the shares in exchange for the purchase price as described above in further details under “Purchase Price”. 
 Conditions Precedent
for Closing 
 The SPA sets forth the terms and conditions for the Acquisition, which is subject to certain customary conditions precedent for this
type of transaction, including (i) the approval of the Acquisition by the Brazilian Antitrust Authority—CADE; (ii) the approval of the Acquisition by the extraordinary general shareholders’ meeting of shareholders of Ultrapar,
according to article 256 of Brazilian Corporate Law; (iii) confirmation that no law, regulation or order prevents the consummation of the Acquisition as provided for in the SPA; (iv) confirmation that the representations and
warranties provided by the parties at the SPA are true, accurate and complete, and shall remain so satisfied until completion of the closing; and (v) the absence of material adverse effect on the Acquired Companies, taken individually or as a
whole. 
 Final Provisions 
 Any dispute or
controversy arising out of or relating in any way to the SPA, or in connection therewith, shall be determined by final and binding arbitration in accordance with Brazilian law, pursuant to the Rules of the Brasil-Canada Chamber of Commerce and with
the arbitration to be held in São Paulo, SP, Brazil.

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