Document:

Exhibit 4.1

 

UNLESS THIS CERTIFICATE
IS PRESENTED BY AN AUTHORIZED REPRESENTATIVE OF THE DEPOSITORY TRUST COMPANY, A NEW YORK CORPORATION (“DTC”), TO THE
PARTNERSHIP OR THE TRANSFER AGENT NAMED ON THE FACE OF THIS CERTIFICATE, AND ANY CERTIFICATE ISSUED IS REGISTERED IN THE NAME OF
CEDE & CO. OR IN SUCH OTHER NAME AS IS REQUESTED BY AN AUTHORIZED REPRESENTATIVE OF DTC (AND ANY PAYMENT IS MADE TO CEDE &
CO., OR TO SUCH OTHER ENTITY AS IS REQUESTED BY AN AUTHORIZED REPRESENTATIVE OF DTC), ANY TRANSFER, PLEDGE OR OTHER USE HEREOF
FOR VALUE OR OTHERWISE BY OR TO ANY PERSON IS WRONGFUL IN AS MUCH AS THE REGISTERED OWNER HEREOF, CEDE & CO. HAS AN INTEREST
HEREIN.

 

TRANSFERS OF THIS GLOBAL
SECURITY SHALL BE LIMITED TO TRANSFERS IN WHOLE, BUT NOT IN PART, TO NOMINEES OF DTC OR TO A SUCCESSOR THEREOF OR SUCH SUCCESSOR’S
NOMINEE AND TRANSFERS OF PORTIONS OF THIS GLOBAL SECURITY SHALL BE LIMITED TO TRANSFERS MADE IN ACCORDANCE WITH THE RESTRICTIONS
SET FORTH IN THE STATEMENT WITH RESPECT TO SERIES 13 PREFERRED UNITS. IN CONNECTION WITH ANY TRANSFER, THE HOLDER WILL DELIVER
TO THE TRANSFER AGENT NAMED ON THE FACE OF THIS CERTIFICATE SUCH CERTIFICATES AND OTHER INFORMATION AS SUCH TRANSFER AGENT MAY REASONABLY
REQUIRE TO CONFIRM THAT THE TRANSFER COMPLIES WITH THE FOREGOING RESTRICTIONS.

 

Certificate
Evidencing

5.125%
Class A Preferred Limited Partnership Units, Series 13

of

Brookfield
Infrastructure Partners L.P.

A
Partnership formed under the laws of Bermuda

 

	CERTIFICATE NUMBER: +_____	INITIAL NUMBER OF SERIES 13 PREFERRED UNITS: ___________

 

CUSIP Number: G16252267

ISIN: USG162522670

 

Brookfield Infrastructure Partners L.P., a
Bermuda exempted partnership (the “Partnership”), hereby certifies that CEDE & CO. (the “Holder”),
is the registered owner of the number shown on Schedule I hereto of fully paid and non-assessable units of the Partnership’s
designated 5.125% Class A Preferred Limited Partnership Units, Series 13, with a liquidation preference of $25.00 per
unit (the “Series 13 Preferred Units”). The Series 13 Preferred Units are transferable on the books
of the Partnership or its duly authorized Transfer Agent, in person or by a duly authorized attorney, upon surrender of this certificate
properly endorsed. The rights, preferences and limitations of the Series 13 Preferred Units are set forth in, and this certificate
and the Series 13 Preferred Units represented hereby are issued and shall in all respects be subject to the terms and provisions
of, the Amended and Restated Limited Partnership Agreement of the Partnership, dated February 16, 2018, as amended on September 12,
2018, February 27, 2020, and September 21, 2020, and as the same may be further amended from time to time (the “Partnership
Agreement”). Capitalized terms used herein but not defined shall have the meaning given them in the Partnership Agreement.
Copies of the Partnership Agreement are on file at, and will be furnished without charge on delivery of written request to the
Partnership at the principal office of the Partnership. In the case of any conflict between this certificate and the Partnership
Agreement, the provisions of the Partnership Agreement shall control and govern.

 

Upon receipt of this executed certificate,
the Holder is bound by the Partnership Agreement and is entitled to the benefits thereunder.

 

The Holder, by accepting this certificate,
is deemed to have (i) requested admission as, and agreed to become, a limited partner and to have agreed to comply with and
be bound by and to have executed the Partnership Agreement, (ii) represented and warranted that the Holder has all right,
power and, if an individual, the capacity necessary to enter into the Partnership Agreement, (iii) granted the powers of attorney
provided for in the Partnership Agreement, (iv) made the waivers and given the consents and approvals contained in the Partnership
Agreement; and (v) ratified and confirmed all contracts, agreements, assignments and instruments entered into on behalf of
the Partnership in accordance with the Partnership Agreement.

 

This certificate shall not be valid
for any purpose unless it has been countersigned and registered by the registrar and transfer agent (the “Transfer Agent”).

 

     

     

    

 

IN WITNESS WHEREOF, this certificate has
been executed on behalf of the Partnership by its General Partner this ____ day of _____________, _____.

 

	BROOKFIELD INFRASTRUCTURE PARTNERS LIMITED, the general
    partner of BROOKFIELD INFRASTRUCTURE partners l.p.	 
	 	 
	 	 
	Name:	 
	Title:  	 

 

     

     

    

 

COUNTERSIGNATURE

 

These are the Series 13 Preferred
Units referred to in the within-mentioned Partnership Agreement.

 

Dated: __________________, ______

 

	REGISTRAR AND TRANSFER AGENT COMPUTERSHARE INC.	 
	 	 
	 	 
	Name:	 
	Title:  	 

 

     

     

    

 

	FOR VALUE RECEIVED, ______________________________________________________________, hereby assigns, conveys, sells and transfers unto
	 
	 
	(Please print or typewrite name and address of Assignee)

 

	 	 	 
	 	 	(Please insert Social Security or other identifying number of Assignee)

 

	___________________________Series 13 Preferred Units representing preferred limited partnership interests evidenced by this certificate, subject to the Partnership Agreement, and does hereby irrevocably constitute and appoint________________________________________________________ as its attorney-in-fact with full power of substitution to transfer the same on the books of Brookfield Infrastructure Partners L.P.

 

Dated: ___________________

 

	 	 	 
	(Signature)	 	(Signature)

 

	NOTICE:	THE SIGNATURE(S) MUST BE GUARANTEED BY AN ELIGIBLE
GUARANTOR INSTITUTION (BANKS, STOCKBROKERS, SAVINGS AND LOAN ASSOCIATIONS AND CREDIT UNIONS WITH MEMBERSHIP IN AN APPROVED SIGNATURE
GUARANTEE MEDALLION PROGRAM), PURSUANT TO SEC RULE 17Ad-15

 

	 	Signature Guaranteed By: _____________________________________________

 

No transfer of the Series 13 Preferred
Units evidenced hereby will be registered on the books of the Partnership or its duly authorized Transfer Agent unless the certificate
evidencing the Series 13 Preferred Units to be transferred is surrendered for registration of transfer.

 

     

     

    

 

SCHEDULE I

 

BROOKFIELD INFRASTRUCTURE PARTNERS L.P.

 

Global Series 13 Preferred Unit

 

Certificate Number: _____

 

The number of Series 13 Preferred Units initially represented
by this global Series 13 Preferred Unit shall be _______________. Thereafter the Transfer Agent shall note changes in the
number of Series 13 Preferred Units evidenced by this global Series 13 Preferred Unit in the table set forth below:

 

	Date of Exchange	Amount of Decrease in Number of Series 13 Preferred Units Represented by this Global Series 13 Preferred Unit	Amount of Increase in Number of Series 13 Preferred Units Represented by this Global Series 13 Preferred Unit	Number of Series 13 Preferred Units Represented by this Global Series 13 Preferred Unit following Decrease or Increase	Signature of Authorized Officer of Transfer AgentExhibit 10.11

 

TRANSLATION

 

CERTAIN
CONFIDENTIAL INFORMATION CONTAINED IN THIS AGREEMENT, MARKED BY [redacted], HAS BEEN OMITTED BECAUSE IT IS NOT MATERIAL
AND WOULD LIKELY CAUSE COMPETITIVE HARM TO THE COMPANY IF PUBLICLY DISCLOSED

 

CONTRACT
OF DISPOSAL OF INTELLECTUAL PROPERTY

 

 

 

 

FUSION
FUEL – MAGP

 

 

 

(September
2018)

 

 

 

     

     

    

 

CONTRACT
OF INTELLECTUAL PROPERTY TRANSFER

 

Between

 

		1.	MAGP
INOVAÇÃO, S.A., registered with the Commercial Registry of Sintra with the number of identification as legal entity
510597270, registered office at Rua da Fábrica, s/n, Sabugo, 2715-376 Almargem do Bispo, herein represented by Pedro Maria
Almeida Lima Falcão e Cunha and João Lopes Teixeira Wahnon in the capacity of Directors, hereinafter referred to
as MAGP.

 

and

 

		2.	FUSION
                                         WELCOME – FUEL Lda., registered with the Commercial Registry of Braga with the
                                         number of identification as legal entity 514909439, registered office at Rua da Fábrica,
                                         s/n, Sabugo, 2715-376 Almargem do Bispo, herein represented by Pedro Maria Almeida Lima
                                         Falcão e Cunha and Jaime Domingos Ferreira da Silva in the capacity of Directors,
                                         hereinafter referred to as FUSION FUEL.

 

This
Contract of Disposal of Intellectual Property is entered into freely and in good faith, and the Parties agree to abide by the
terms and conditions set forth in the following clauses:

 

FIRST
CLAUSE

 

		1.1.	The
                                         present Contract’s object is:

 

		1.1.	The
                                         assign and full and definitive transfer of the property rights over a set of products
                                         (the “Products”) and works that were developed, tested and produced
                                         by MAGP under a project oriented and led by FUSION FUEL, destined for the production
                                         of Hydrogen from solar energy, namely the product designated by “DC PEHG”
                                         (Direct Coupling Photo Electrochemical Hydrogen Generator).

 

     

     

    

 

		1.2.	The
                                         compensation of the cost associated with the making and materialization of the mentioned
                                         Products (the “Works”), namely:

 

		●	Posted
                                         Staff costs for the development and investigation works;

 

		●	Supply
                                         of materials and consumables used in laboratory work;

 

		●	Assembly
                                         and availability of the Hydrogen laboratory and its respective equipment;

 

		●	Materials
                                         and equipment used in the construction of the equipment for the base prototype (modules)
                                         for field trials;

 

		●	Fieldwork
                                         and execution of trials and tests in real conditions.

 

		1.2.	It
                                         will be designated as Products and Works, under the present Contract, all of the necessary
                                         ones to:

 

		●	Develop
                                         and adapt the CPV Module for the hydrogen production;

 

		●	Develop
                                         and adapt the Tracker to the installation of the new modules;

 

		●	Develop
                                         the component of the “DC-PEHG” as well as its conception and design.

 

		1.3.	The
                                         terms Products and Works include the execution of registries, reports, documents, sketches,
                                         photography, software and other materials, in any format, including, for example, physical
                                         and digital, prepared by MAGP within the creation of the intellectual production referred
                                         to as “DC PEHG”.

 

		1.4.	The
                                         intellectual property rights that are transferred to FUSION FUEL include the rights resulting
                                         from various modalities of protection, as the patents and utility models, sketches or
                                         models and brands, the software, the database, the domain names, the confidential information,
                                         including know-how and trade secrets, registered or not, the right to register linked
                                         to the above mentioned protection modalities, the renovation and extension of those registries,
                                         as well as any rights and protection modalities, existing or arising in any part of the
                                         world.

 

		1.5.	The
                                         Products and Works whose property rights are transferred to FUSION FUEL under the present
                                         Contract will be used by them, at their convenience, whether for economic exploration
                                         or not.

 

SECOND
CLAUSE

 

		2.1.	Without
                                         prejudice to other obligations provided for in this Contract, MagP shall:

 

		a)	Take
                                         responsibility for any damage caused by their actions or omissions, by its workers, by
                                         service providers or by legitimate representatives, as well as by the payment of any
                                         costs arising from the non-compliance of the legal provisions applicable to the execution
                                         of this Contract.

 

    	 	2	 

     

    

 

		b)	Act
                                         upon the instruction given by the leader and author of the FUSION FUEL project in what
                                         concerns the orientation, organization, and execution of the necessary services for the
                                         creation of the Products and the execution of the Works.

 

		c)	Keep
                                         absolute confidentiality regarding any matters that it comes across while performing
                                         the mentioned services, even after the validity of this contract, excluding the subjects
                                         at are of public knowledge or which disclosure is made in compliance with the law or
                                         judicial order.

 

		2.2.	In
                                         case of omissions and/or failures from MAGP in the execution of the Works and supply
                                         of the Products, FUSION FUEL may correct those, with MagP being responsible for any costs
                                         FUSION FUEL may have had and FUSION FUEL being able to be reimbursed through the credits
                                         of any payment that eventually MAGP is due under this or other contracts and, in case
                                         of insufficiency, it may resort to judicial collection.

 

THIRD
CLAUSE

 

		3.1.	The
                                         date fixed for the completion and presentation by MagP of the Products and Works that
                                         are object of this Contract is the end of 2019 and includes all activities and respective
                                         results even if, eventually, it has been initiated in a date prior to the signing of
                                         this Contract.

 

		3.2.	With
                                         both Parties aware that they are before works of creation and development, the date mentioned
                                         in the previous number constitutes an objective of the Parties with FUSION FUEL not being
                                         able to demand the conclusion of the works nor consider any non-compliance before a period
                                         of six months after the date now established.

 

		3.3.	Having
                                         in consideration the above-mentioned limitations, the date for the conclusion and presentation
                                         of the Products and Works will be proposed by MAGP and accepted by FUSION FUEL, fixing
                                         the Date of Completion. 

 

FOURTH
CLAUSE

 

		4.1.	If
                                         FUSION FUEL makes any payment on account of the non-compliance of any obligation attributable
                                         to MAGP as provided herein, whichever its nature, FUSION FUEL may retain the payments
                                         due to MAGP under this or other contracts, using those for the fulfillment of its respective
                                         obligation, including the payment of costs, expenses and fees.

 

    	 	3	 

     

    

 

		4.2.	If
                                         all the amounts due to MAGP are already fully paid up, FUSION FUEL may judicially collect
                                         the relevant amounts.

 

FIFTH
CLAUSE

 

		5.1.	All
the property rights over the products created by MAGP as provided in this Contract will exclusively belong to FUSION FUEL, regardless
of the name, designation or title given to it, including but not limited to, the Products, texts, reports and all relevant documentation.

 

		5.2.	With
                                         that purpose, under this Contract, MAGP transfers to FUSION FUEL all of the property
                                         rights over the Products created as well as all the products deriving from said Products
                                         designed and developed under the DC PEHG project.

 

		5.3.	FUSION
FUEL will hold exclusively the property rights of the Products against third parties and against MAGP itself, which may not use
it without express authorization from FUSION FUEL.

 

		5.4.	FUSION
FUEL may, under the present Contract, use the Products, partially or fully, authorize a third party in doing so, partially or
fully, as well as transfer, encumber, partially or fully, the property content of the rights over the Products.

 

SIXTH
CLAUSE

 

		6.1.	MAGP
                                         declares that the exercise of the intellectual property rights regarding any of the Products
                                         does not infringe intellectual property rights belonging to third parties.

 

		6.2.	MAGP
undertakes to support FUSION FUEL in the completion of any action necessary for the registry of the Products and processes in
favour of FUSION FUEL.

 

		6.3.	MAGP
                                         undertakes to execute all the necessary actions in order to assure that the intellectual
                                         property rights arising from the Products are held only by FUSION FUEL.

 

		6.4.	MAGP
                                         undertakes to, at FUSION FUEL’s costs, to support FUSION FUEL in what concerns
                                         the drafting of documents, the filling of registration requests, the defence of FUSION
                                         FUEL before third parties and the execution of all actions that FUSION FUEL deems necessary
                                         or desirable to assure the holding by FUSION FUEL of the ownership of the intellectual
                                         property rights regarding the Products.

 

    	 	4	 

     

    

 

SEVENTH
CLAUSE

 

		7.1.	MAGP
transfers the property rights, in its entirety, over the Products to FUSION FUEL, for consideration, for the fixed amount of €[redacted].

 

		7.2.	In
addition to the above-mentioned amount, and correspondent transfer of the rights, MAGP will invoice FUSION FUEL the amount of
€900.000,00 (nine hundred thousand euros) correspondent to all the costs undertook by FUSION FUEL in the activities linked
to the execution of the Works, namely those mentioned in 1.2.2.

 

		7.3.	The
payment of the amounts mentioned in 7.1. and 7.2. will be made as follows:

 

		7.3.1.	Incurred
Costs:

 

		●	In
                                         the Date of Conclusion (estimated at 31st December 2019 but subject to verification under
                                         the terms set on the Third Clause), MagP will bill FUSION FUEL the €900.000,00 component
                                         correspondent to the Incurred Costs.

 

		●	The
                                         amount is subject to VAT at the legal rate in force.

 

		●	The
                                         component correspondent to the Transfer of Rights will be invoiced by MagP to FUSION
                                         FUEL in phased out way and according to following:

 

		o	1st
                                         instalment in the amount of €[redacted] one year after the Date of
                                         Conclusion.

 

		o	2nd,
                                         3rd and 4th instalments, in the amount of €[redacted] each
                                         one, which will be due, respectively, one, two and three years after the payment of the
                                         1st instalment.

 

		●	The
                                         amounts are subject to VAT at the legal rate in force.

 

		7.4.	The
                                         Parties undertake to meet in a date to be defined between them, until the sixth month
                                         after the Date of Completion, in order to analyse the economic and financial situation
                                         of FUSUION FUEL and the fulfilment of the respective Business Plan and to access in good-faith
                                         the possibility of an anticipation of the payment dates of the amount regarding the Transfer
                                         of Rights.

 

EIGHTH
CLAUSE

 

		8.1.	Should
                                         the deadline provided for on the Third Clause not be respected, including the respective
                                         prorogations, FUSION FUEL may declare contractual non-compliance.

 

    	 	5	 

     

    

 

		8.2.	The
                                         non-compliance does not exempt FUSION FUEL from the payment obligation, with the following
                                         penalties being applied:

 

		8.2.1.	The
payment for the Transfer of the Rights as specified in 7.3.1shall not take place.

 

		8.2.2.	The
amount regarding the payment of the Incurred Costs will be reduced by 30%.

 

		8.3.	The
                                         penalties are independent and cumulative and do not exempt MAGP of full contractual execution.

 

		8.4.	The
                                         occurrence of non-compliance by MagP does not change the rights FUSION FUEL hold over
                                         the Products and Works executed at that date, with FUSION FUEL being able to give continuity
                                         until the finalizing, in the way and means it may deem as convenient.

 

Ninth
Clause

 

		9.1.	MagP
                                         is not authorized to provide any information to third parties about the nature or progress
                                         of the provision of services, as well as disclosing any data related to the documentation
                                         involved, except with the express written authorization of Fusion Fuel.

 

		9.2.	MAGP
                                         undertakes to keep all information obtained during this contract confidential, unless
                                         it has express written authorization from FUSION FUEL or if the disclosure of such information
                                         is due to law or a court order.

 

		9.3.	The
                                         obligations regarding confidentiality and secrecy will remain in force despite the term
                                         of this contract.

 

TENTH
CLAUSE

 

This
contract replaces any negotiation or discussion or statements between the parties or any verbal or written record that is not
included here.

 

ELEVENTH
CLAUSE

 

In
everything that is omitted in this contract, the relationship of MAGP and FUSION FUEL shall be regulated by the law on copyright
and related rights.

 

TWELFTH
CLAUSE

 

Any
disputes regarding the interpretation or execution of this Agreement shall be settled by the courts of Lisbon.

 

    	 	6	 

     

    

 

THIRTEENTH
CLAUSE

 

This
contract is made in two copies of equal value, one for each Party.

 

	Lisbon, 13th September 2018	 

 

	On behalf of MAGP INOVAÇÃO, S.A.	 
	 	 
	/s/ Pedro Falcão e Cunha	 
	Name: Pedro Falcão e Cunha	 
	Capacity: Director	 
	 	 
	/s/ Jaime Ferreira da Silva	 
	Name: Jaime Ferreira da Silva	 
	Capacity: Director	 
	 	 
	On behalf of FUSION WELCOME - FUEL, S.A.	 
	 	 
	/s/ João Lopes Teixeira Wahnon	 
	Name: João Lopes Teixeira Wahnon	 
	Capacity: Director	 
	 	 
	/s/ Pedro Falcão e Cunha	 
	Name: Pedro Falcão e Cunha	 
	Capacity: Director	 

 

 

7

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