Document:

EX-10.3

 Exhibit 10.3 

Execution Version 

AMENDED AND RESTATED 

LOAN AND SECURITY AGREEMENT 

 
  

THIS AMENDED AND RESTATED LOAN AND SECURITY AGREEMENT, dated as of April 20, 2018 (this “Agreement”), is
made and entered into by and among SMOM LIMITED, a Jersey limited liability Company with registered No. 123188 and incorporated under the Companies (Jersey) Law 1991, as amended (“Lender”), ODYSSEY MARINE
EXPLORATION, INC., a Nevada corporation (“Borrower”), and, solely for purposes of Article 9, ALDAMA MINING COMPANY, S. DE R.L. DE C.V., a Mexican company (“Guarantor”). 

Witnesseth: 

WHEREAS, on May 3, 2017, Lender, Borrower, and Guarantor entered into a Loan and Security Agreement (the “Original
Agreement”) pursuant to which Lender loaned Borrower $3.0 million; 
 WHEREAS, the indebtedness contemplated by the
Original Agreement is evidenced by a Convertible Promissory Note, dated May 3, 2017 (the “Original Note”), in the original principal amount of $3.0 million; 

WHEREAS, Borrower and Guarantor have requested that Lender loan up to an additional $500,000 to Borrower; 

WHEREAS, Guarantor is a directly and indirectly wholly owned subsidiary of Odyssey and, as a result, will receive substantial benefits
from financing arrangements contemplated by this Agreement; and 
 WHEREAS, on the terms and subject to the conditions set forth
herein, Lender is willing to extend additional loans in an amount up to $500,000 from time to time to Borrower which will be evidenced by an amended and restated convertible promissory note in the aggregate principal amount of $3,500,000 (the
“Note”). 
 Article 1 

Definitions 
 For purposes
of this Agreement, the following terms shall have the respective meanings given to them below: 
 “Advance” means a
disbursement of Loan funds made, or to be made, to Borrower by Lender under the terms and conditions of this Agreement. 

“Affiliate” of a Person means any other Person that directly or indirectly, through one or more intermediaries, controls, is
controlled by, or is under common control with, such Person. The term “control” (including the terms “controlled by” and “under common control with”) means the possession, directly or indirectly, of the power to direct
or cause the direction of the management and policies of a Person, whether through the ownership of voting securities, by contract or otherwise. 

“Collateral” means, collectively, (a) 50.0% of the equity interests in Guarantor (the “Equity
Collateral”) and (b) Borrower’s contractual rights to receive payments from the Buyer Parties (as defined in the Acquisition Agreement) pursuant to, and in accordance with, Section 2.06 of the Acquisition Agreement (the
“Rights Collateral”). 

 “Equity Collateral” means 50.0% of the equity interests in Guarantor held by
Borrower as of the date of this Agreement. For the avoidance of doubt, Borrower holds 100.0% of the equity interests in Guarantor as of the date of this Agreement, and the Equity Collateral represents one-half
of the interests held by Borrower. 
 “Loan Documents” means this Agreement and the Note. 

“Maturity Date” means May 3, 2019. 

“Obligations” means the Loan (as defined below), accrued interest, and all attorneys’ fees, court costs and expenses of
whatever kind incident to the collection of the Loan, accrued interest, and the enforcement and protection of the security interest created hereby. 

“Odyssey Parties” means Borrower and Guarantor, collectively. 

“Option Consideration” means an amount equal to $400,000 for each 10.0% of equity interest in Guarantor purchased by Lender
pursuant to Article 10. For example, if Lender exercises the Option (as defined below) with respect to one-half of the Equity Collateral, the Option Consideration would be $1.0 million. 

“Person” means an individual, corporation, partnership, joint venture, limited liability company, governmental authority,
unincorporated organization, trust, association or other entity. 
 “Rights Collateral” has the meaning set forth in
Appendix A attached hereto. 
 “Wholly Owned Subsidiary” means any corporation, partnership, limited liability
company, joint venture, other business entity, trust or estate of or in 100.0% of (a) the issued and outstanding capital stock having ordinary voting power to elect a majority of the board of directors of such corporation (irrespective of
whether at the time capital stock of any other class of such corporation may have voting power upon the happening of a contingency), (b) the interest in the capital or profits of such partnership, limited liability company, joint venture, or other
business entity or (c) the beneficial interest in such trust or estate is at the time directly or indirectly owned or controlled through one or more intermediaries, or both, by Guarantor. 

“$” means United States Dollars. 

Article 2 
 Advances

 Section 2.01. Advances. Subject to the terms and conditions of this Agreement and the Note, Lender
agrees to make Advances to Borrower in the aggregate amount of up to $3.5 million (the “Loan”) at the request of Borrower. Borrower acknowledges that Lender has made Advances of 3.0 million as of the date hereof.

 Section 2.02. Borrowing Procedures. Subject to the terms and conditions of this Agreement and the Note,
if Borrower desires to receive an Advance under the Loan, Borrower shall deliver an irrevocable, written borrowing notice (a “Borrowing Notice”) to Lender no later 10:00 a.m. (Eastern Time) thirty (30) calendar days
prior to the requested Advance Date (as defined below). Each Borrowing Notice shall set forth (a) the amount of the Advance requested by Borrower and (b) the date on which Borrower desires to receive such Advance (the “Advance
Date”). 

 Section 2.03. Limitations. Lender’s obligation to make any
Advance is subject to the following limitations: 
 (a)    Borrower may not deliver more than one Borrowing Notice during
any 30-day period; 
 (b)    the maximum amount of any single Advance shall not
exceed $500,000; and 
 (c)    the maximum amount of all Advances shall not exceed $3.5 million. 

Section 2.04. Maturity Date. The entire unpaid principal sum disbursed and outstanding, together with any
interest thereon remaining unpaid and any other sums due Lender in connection with each Advance shall be due and payable in full no later than the Maturity Date. 

Section 2.05. The Note. The Loan shall be evidenced by and repaid in accordance with the terms of the Note.
The repayment terms applicable to the Loan are set forth in the Note. Interest shall accrue on amounts outstanding under the Note as set forth therein. 

Section 2.06. Payments. All payments of principal, interest, and any other amounts due hereunder or under the
Note shall be made to Lender by wire transfer in immediately available funds to the account designated in writing by Lender. 
 Article 3

 Security 

Section 3.01. Grant of Security Interest. As security for the Loan, Borrower hereby grants to Lender a
continuing security interest in the Collateral and all substitutions, replacements, additions, accessions, proceeds, products to or of the Collateral. 

Section 3.02. Secured Indebtedness. The security interest granted hereby shall secure the prompt payment of
the Obligations and the prompt performance of each of the covenants and duties under this Agreement and the Loan Documents. 

Section 3.03. Perfection by Filing. Borrower hereby specifically authorizes Lender at any time and from time
to time to file financing statements, continuation statements, similar perfection documents, and amendments thereto that describe the Collateral and contain any other information required by the applicable law of the jurisdiction of organization of
Borrower for the sufficiency or filing office acceptance of any financing statement, continuation statement, similar perfection documents, or amendment. 

Section 3.04. Perfection Other Than by Filing. At any time and from time to time, Borrower shall take such
steps as Lender may reasonably request for Lender to ensure the continued perfection and priority of Lender’s security interest in any of the Collateral and of the preservation of its rights therein. 

Article 4 

Representations and Warranties of Borrower and Guarantor 

Each of Borrower and Guarantor represents and warrants to Lender as follows: 

Section 4.01. Organization. Each of the Odyssey Parties (a) is a company duly organized, validly existing
and in good standing under the laws of its jurisdiction of incorporation or organization and (b) has all requisite power to own its property and conduct its business as now conducted. 

 Section 4.02. Authorization. The execution, delivery, and
performance of the Loan Documents and the transactions contemplated hereby and thereby (a) are within the authority of each of the Odyssey Parties that is a party thereto, (b) have been duly authorized by all necessary proceedings of each
of the Odyssey Parties, (c) do not conflict with or result in any material breach or contravention of any provision of law, statute, rule, or regulation to which any Odyssey Party is subject, and (d) do not conflict with any provision of
the articles of incorporation or organization, operating agreement, or other organizational document of Borrower. 

Section 4.03. Enforceability. The execution, delivery, and performance of the Loan Documents will result in
valid and legally binding obligations of the Odyssey Parties, and their respective successors and assigns, enforceable against them in accordance with the respective terms and provisions hereof and thereof, except as enforceability is limited by
bankruptcy, insolvency, reorganization, moratorium or other laws relating to or affecting generally the enforcement of creditors’ rights and except to the extent that availability of the remedy of specific performance or injunctive relief or
other equitable remedy is subject to the discretion of the court before which any proceeding therefore may be brought. 

Section 4.04. Governmental Approvals. The execution, delivery, and performance by each of the Odyssey Parties
of the Loan Documents to which it is a party and the transactions contemplated hereby and thereby do not require any approval or consent of, or filing with, any governmental agency or authority the failure of which to obtain would reasonably be
expected to have a material adverse effect on any of the Odyssey Parties. 
 Article 5 

Representations and Warranties of Lender 

Lender represents and warrants to Borrower as follows: 

Section 5.01. Organization. Lender (a) is a company duly incorporated and registered, validly existing
and in good standing under the laws of its jurisdiction of incorporation or organization and (b) has all requisite power to own its property and conduct its business as now conducted. 

Section 5.02. Authorization. The execution, delivery, and performance of the Loan Documents and the
transactions contemplated hereby and thereby (a) are within the authority of Lender, (b) have been duly authorized by all necessary proceedings of Lender, (c) do not conflict with or result in any material breach or contravention of
any provision of law, statute, rule, or regulation to which any Lender is subject, and (d) do not conflict with any provision of the articles of association, operating agreement, or other organizational document of Lender. 

Section 5.03. Enforceability. The execution, delivery, and performance of the Loan Documents will result in
valid and legally binding obligations of the Lender and its successors and assigns, enforceable against them in accordance with the respective terms and provisions hereof and thereof, except as enforceability is limited by bankruptcy, insolvency,
reorganization, moratorium or other laws relating to or affecting generally the enforcement of creditors’ rights and except to the extent that availability of the remedy of specific performance or injunctive relief or other equitable remedy is
subject to the discretion of the court before which any proceeding therefore may be brought. 
 Section 5.04.
Governmental Approvals. The execution, delivery, and performance by Lender of the Loan Documents to which it is a party and the transactions contemplated hereby and thereby do not require any approval or consent of, or filing with, any
governmental agency or authority the failure of which to obtain would reasonably be expected to have a material adverse effect on Lender. 

 Article 6 

Covenants of Borrower and Guarantor 

Section 6.01. Payment. Borrower will pay or cause to be paid the principal and interest on the Loan and all
fees and other amounts provided for in this Agreement and the Note, all in accordance with the terms of this Agreement and the Note. 

Section 6.02. Conduct of Business. Borrower will continue to engage in a business of the same general type
and manner as conducted by it on the date of this Agreement. Without 10 days’ prior written notice to Lender, Borrower shall not change its name or the location of its principal executive office. If Borrower changes its name or location of
doing business, Borrower shall promptly execute any and all financing statements and amendments or continuations thereof and any other documents that Lender may reasonably request to evidence, continue, and/or perfect any security interest in or
pledge of collateral securing the Loan. 
 Section 6.03. Use of Proceeds. The Loan and any Extension
Payment (as defined below) will be used for Borrower’s working capital requirements and for Aldama’s operating expenses. The proceeds of the Loan and any Extension Payment shall not be used to repay indebtedness for borrowed money of
Borrower or any of its Affiliates. 
 Section 6.04. Business Operations. Borrower and Guarantor covenant
and agree that, as long as either (a) there are any Odyssey Obligations outstanding to Lender or (b) Lender holds 10.0% or more of all the outstanding equity interests of Guarantor (the “Specified Conditions”),
Borrower shall, and shall cause Guarantor to, (i) conduct all of their business and operations directly or indirectly relating to the subsea exploration, research, mining, processing, purchase, sale or distribution of polymetallic nodules mined
from the deep ocean in the Clarion Clipperton Zone or any other part of the Pacific Ocean (the “Covered Activities”) through Guarantor or a Wholly Owned Subsidiary and (ii) pursue with commercially reasonable efforts the
approval of all applications for mining permits that have been submitted as of the date of hereof and, following the grant of any such permits, use commercially reasonable efforts to maintain such permits in good standing, including the payment of
any required maintenance fees and expenses. If Borrower, Guarantor, or any of their respective Affiliates organizes or acquires an entity that is not a Wholly Owned Subsidiary (a “New Entity”) to engage in any of the
Covered Activities, then Borrower and Guarantor shall cause such New Entity to issue equity interests in the New Entity to Lender in an amount sufficient to cause Lender’s direct or indirect economic interest in the New Entity, on a percentage
basis, to equal the economic interest in Guarantor, on a percentage basis, that Lender has acquired upon exercise of the Option (as defined below). For avoidance of doubt, the processing of polymetallic nodules from the Pacific Ocean to convert the
mined ore into marketable products, wherever the ore has been sourced, is considered an integral part of the business of Guarantor and is a significant inducement for Lender to enter into this Agreement. 

Section 6.05. Guarantor and New Entity Documents. As soon as practicable after the date of this Agreement,
Borrower shall take such actions, or cause such actions to be taken, as are reasonably necessary or appropriate to prepare or amend Guarantor’s documents or instruments that are the Mexican equivalents of articles of incorporation, bylaws, and
shareholder agreements (collectively, (“Organizational Documents”) to contemplate Guarantor having more than one owner, including (a) such provisions as are customarily set forth in such documents, (b) preemptive
rights for Lender, (c) a “Russian Roulette” provision as a definitive dispute mechanism, (d) that if Lender acquires 50.0% of the equity interests of Guarantor, so long thereafter as either of the Specified Conditions are met,
Lender shall have the right to designate a number of the members of the board of directors (or body performing similar functions) of Guarantor equal to the Specified Number (as defined below), and (e) such other provisions as Odyssey and SMOM
shall mutually agree (collectively, “Required Provisions”). Odyssey shall take 

 
such actions, or cause such actions to be taken, as are reasonably necessary or appropriate to include the Required Provisions in the Organizational Documents of any New Entity, mutatis
mutandis. For the purposes of this Agreement, the “Specified Number” means one-half of (x) the number at which the size of the board of directors (or body performing similar
functions) of Guarantor is fixed minus (y) one. For the avoidance of doubt, Borrower and Lender agree that the size of the board of directors (or body performing similar functions) of Guarantor or any New Entity shall be fixed at an odd number,
with each of Lender and Borrower being entitled to designate the Specified Number. The one additional member of the board of directors (or body performing similar functions) shall be an individual mutually agreeable to Borrower and Lender. If
Borrower and Lender are unable to mutually agree on such individual, their dispute shall be resolved through the dispute resolution provisions set forth in the Organizational Documents. 

Article 7 
 Conditions to
Closing 
 Section 7.01. Initial Advance. The obligation of Lender to fund the initial Advance to be
made hereunder is subject to the fulfillment of each of the following conditions: 
 (a)    each of the Odyssey Parties
shall have performed and complied in all material respects with all of the covenants, agreements, obligations, and conditions required by this Agreement; 

(b)    Borrower shall have delivered to Lender the Note, executed by Borrower, in form and substance satisfactory to
Lender; and 
 (c)    Lender shall have received such other approvals and documents as Lender may reasonably request.

 Section 7.02. Additional Advances. The obligation of Lender to fund each additional Advance to be made
hereunder is subject to the fulfillment of each of the following conditions: 
 (a)    each of the Odyssey Parties shall
have performed and complied in all material respects with all of the covenants, agreements, obligations, and conditions required by this Agreement; 

(b)    no Event of Default (as defined below) shall have occurred and be continuing; and 

(c)    Lender shall have received such other approvals and documents as Lender may reasonably request. 

Article 8 
 Default and
Remedies 
 Section 8.01. Events of Default. Lender’s delivery of a written notice to Borrower of
the occurrence of any of the following shall constitute an “Event of Default” hereunder: 

(a)    any default in the payment of the principal of or interest on the indebtedness evidenced by the Note in accordance
with the terms of the Note, which default is not cured within five days; 
 (b)    any material misrepresentation by any
of the Odyssey Parties hereunder or under the Note; or 

 (c)    any failure by any of the Odyssey Parties to perform any of its
obligations, covenants or agreements under any of the Loan Documents. 
 Section 8.02. Remedies. Upon the
occurrence and continuation of any Event of Default described in Section 8.01 that has not been cured within five days, the indebtedness evidenced by the Note shall be immediately due and payable in full upon demand by Lender; and upon the
occurrence and continuation of any other Event of Default described above, Lender at any time thereafter may at their option accelerate the maturity of the indebtedness evidenced by the Note. Upon the occurrence of any such Event of Default, demand
by Lender, and the acceleration of the maturity of the indebtedness evidenced by the Note, Lender shall have any and all other rights and remedies that Lender may now or hereafter possess at law, in equity, or by statute. 

Section 8.03. Remedies Cumulative; No Waiver. No right, power, or remedy conferred upon or reserved to Lender
by this Agreement or the Note is intended to be exclusive of any other right, power, or remedy, but each and every such right, power, and remedy shall be cumulative and concurrent and shall be in addition to any other right, power, and remedy given
hereunder, or under the Note, or now or hereafter existing at law, in equity or by statute. No delay or omission by Lender to exercise any right, power, or remedy accruing upon the occurrence of any Event of Default shall exhaust or impair any such
right, power, or remedy or shall be construed to be a waiver of any such Event of Default or an acquiescence therein, and every right, power, and remedy given by this Agreement and the other Loan Documents to Lender may be exercised from time to
time and as often as may be deemed expedient by Lender. 
 Article 9 

Guaranty 

Section 9.01. Guaranty. For value received, Guarantor hereby unconditionally and irrevocably guarantees to
Lender all obligations of the other Odyssey Parties pursuant to or arising from this Agreement (collectively, the “Odyssey Obligations”). Lender may bring a separate action against Guarantor for any accrued but unpaid Odyssey
Obligations without making any demand upon Borrower, and without separately proceeding against the other Odyssey Parties, and without pursuing any other remedy. 

Section 9.02. Certain Guaranty Matters. 

(a)    Lender shall have the right, without notice to Guarantor, to: (i) renew, extend, accelerate, waive, compromise,
release, restructure and otherwise modify, or refuse to modify, the Odyssey Obligations, the liability of any person therefor as principal, guarantor, surety or otherwise, and/or any security therefor; and (ii) pursue or not pursue, or make
elections among, Lender’s remedies against any such persons, even if any rights that Guarantor may have, including subrogation, reimbursement, indemnity, contribution and/or participation in security, are impaired or extinguished. Guarantor
waives any right or defense that might arise by reason of Lender’s exercise of any such rights. 

(b)    Guarantor’s liability shall not be affected by any circumstance constituting legal or equitable discharge of a
guarantor or surety other than payment in full of the Odyssey Obligations. Guarantor hereby waives, and agrees not to exercise, any rights it may have arising from or based on: (i) any right to require Lender to proceed against Borrower or to
pursue any other remedy whatsoever; (ii) any defense based upon any legal disability of, any discharge or limitation of the liability of, any restraint or stay applicable to actions against, or the lack of authority or termination of existence
of any other Odyssey Party; (iii) any right of setoff, recoupment or counterclaim, other than any right of setoff that may be applicable under this Agreement; (iv) presentment, protest, notice of acceptance, notice of protest, notice of
dishonor and notice of any action or inaction; and (v) any defense based upon negligence of Lender, including any failure to file a claim in any bankruptcy. 

 Article 10 

Option to Purchase Equity Collateral 

Section 10.01. Grant of Option. As additional consideration for the Loan, on and subject to the terms set
forth in this Article 10, during the period commencing on the date hereof and ending on the date that is the later of (a) 12 months after the Maturity Date or (b) 12 months after the Loan is repaid in full (as applicable, the
“Expiration Date”), Lender shall have the right to purchase from Borrower, and Borrower shall be obligated to sell to Lender, all or a portion of the Equity Collateral in exchange for the Option Consideration (the
“Option”). On or prior to the Expiration Date, Lender may extend the Expiration Date and the period during which Lender is entitled to exercise the Option for a period of up to two years from the original Expiration Date by
(x) delivering to Borrower a notice to the effect that Lender is electing to extend the Expiration Date and the period during which Lender is entitled to exercise the Option, specifying the duration of such period and (y) paying $500,000
to Borrower (at the time of any delivery a notice pursuant to the foregoing clause (x)) (the “Extension Payment”) for each year that Lender desires to extend the Expiration Date and the period during which Lender is entitled
to exercise the Option. 
 Section 10.02. Exercise of the Option. Lender may exercise the Option by
delivering to Borrower a notice (the “Exercise Notice”) on or before the Expiration Date, specifying a desired date not less than five (5) nor more than thirty (30) business days from the date of such Exercise
Notice on which Lender desires to consummate the purchase and sale contemplated by the Option (the “Option Closing Date”). 

Section 10.03. Option Closing. 

(a)    The closing of the exercise of the Option (the “Option Closing”) shall occur at
10:00 a.m. (Eastern time, U.S.A.) on the Option Closing Date. The Option Closing shall occur at the offices of Borrower or at such other location as the parties hereto shall agree. 

(b)    On the Option Closing Date, Borrower shall deliver to Lender an assignment with respect to the Equity Collateral,
duly endorsed in blank with appropriate transfer powers. 
 (c)    On the Option Closing Date, Lender shall deliver to
Borrower the Option Consideration, by wire transfer of immediately available funds to an account designated by Borrower. 

Section 10.04. Distributions. If Lender exercises the Option pursuant to this Article 10, Borrower shall
be entitled to receive all distributions on or relating to the Equity Collateral that would otherwise be payable to Lender until Borrower has received aggregate distributions in an amount equal to the product of (a) $3.0 million,
multiplied by (b) a fraction, the numerator of which is the percentage equity interest in Guarantor acquired by Lender upon exercise of the Option, and the denominator of which is 50.0%. For example, if Lender acquires a 25.0% equity interest
in Guarantor, Borrower shall be entitled to receive the first $1.5 million of distributions on or relating to the Equity Collateral that would otherwise be payable to Lender. 

Section 10.05. Limitation. For the avoidance of doubt and notwithstanding any provision of this Agreement or
the Note to the contrary, the Equity Collateral represents the maximum interest in Guarantor that Lender may acquire, in the aggregate, upon any exercise of the Option pursuant to this Article 10 or any exercise of Lender’s right to
convert the Convertible Obligations (as defined in the Note) pursuant to Article 4 of the Note. 

 Article 11 

Miscellaneous 

Section 11.01. Expenses. Except as otherwise expressly provided herein, all costs and expenses, including,
without limitation, fees and disbursements of counsel, incurred in connection with this Agreement and the transactions contemplated hereby shall be paid by the party incurring such costs and expenses. 

Section 11.02. Notices. All notices, requests, consents, claims, demands, waivers and other communications
hereunder shall be in writing and shall be deemed to have been given (a) when delivered by hand (with written confirmation of receipt); (b) when received by the addressee if sent by a nationally recognized overnight courier (receipt requested);
or (c) on the date sent by e-mail of a PDF document (with confirmation of transmission) if sent during normal business hours of the recipient, and on the next Business Day if sent after normal business
hours of the recipient. Such communications must be sent to the respective parties at the following addresses (or at such other address for a party as shall be specified in a notice given in accordance with this Section 11.02): 

 

			
	If to any of the Odyssey Parties:	    	Odyssey Marine Exploration, Inc.
		    	5215 West Laurel Street
		    	Tampa, Florida 33607
		    	Attention: President and CEO
		    	Email: mark@odysseymarine.com
		
	With a copy to:	    	Akerman LLP
		    	401 East Jackson Street
		    	Suite 1700
		    	Tampa, Florida 33602
		    	Attention: David M. Doney
		    	Email: david.doney@akerman.com
		
	If to Lender:	    	SMOM Limited
		    	17 The Esplanade
		    	St Helier
		    	Jersey
		    	JE2 3QA
		
	With copies to:	    	c/o Borchard & Callahan, APC
		    	25909 Pala
		    	Suite 300
		    	Mission Viejo, California 92691
		    	Attention: Thomas Borchard
		    	Email: tborchard@borchardlaw.com
		
		    	and

			
		    	 Lexstone Lawyers
 17 The Esplanade

		    	St Helier
		    	Jersey
		    	JE2 3QA
		    	Attention: Marcus Stone
		    	Email: marcus.stone@lexstone,je

 Section 11.03. Interpretation. For purposes of this Agreement, (a) the
words “include,” “includes” and “including” shall be deemed to be followed by the words “without limitation”; (b) the word “or” is not exclusive; and (c) the words “herein,”
“hereof,” “hereby,” “hereto” and “hereunder” refer to this Agreement as a whole. Unless the context otherwise requires, references herein: (x) to Articles, Sections, and Exhibits mean the Articles and
Sections of, and Exhibits attached to, this Agreement; (y) to an agreement, instrument or other document means such agreement, instrument or other document as amended, supplemented and modified from time to time to the extent permitted by the
provisions thereof and (z) to a statute means such statute as amended from time to time and includes any successor legislation thereto and any regulations promulgated thereunder. This Agreement shall be construed without regard to any
presumption or rule requiring construction or interpretation against the party drafting an instrument or causing any instrument to be drafted. The Exhibits referred to herein shall be construed with, and as an integral part of, this Agreement to the
same extent as if they were set forth verbatim herein. 
 Section 11.04. Headings. The headings in this
Agreement are for reference only and shall not affect the interpretation of this Agreement. 
 Section 11.05.
Severability. If any term or provision of this Agreement is invalid, illegal or unenforceable in any jurisdiction, such invalidity, illegality or unenforceability shall not affect any other term or provision of this Agreement or invalidate or
render unenforceable such term or provision in any other jurisdiction. Upon such determination that any term or other provision is invalid, illegal or unenforceable, the parties hereto shall negotiate in good faith to modify this Agreement so as to
effect the original intent of the parties as closely as possible in a mutually acceptable manner in order that the transactions contemplated hereby be consummated as originally contemplated to the greatest extent possible. 

Section 11.06. Entire Agreement. This Agreement and the Note constitute the sole and entire agreement of the
parties to this Agreement with respect to the subject matter contained herein and therein, and supersede all prior and contemporaneous representations, warranties, understandings and agreements, both written and oral, with respect to such subject
matter. 
 Section 11.07. Successors and Assigns. This Agreement shall be binding upon and shall inure to
the benefit of the parties hereto and their respective successors and permitted assigns. Neither party may assign its rights or obligations hereunder without the prior written consent of the other party, which consent shall not be unreasonably
withheld or delayed, except that Lender may assign its rights (but not delegate its obligations) hereunder to any of Lender’s Affiliates without the prior written consent of Borrower. In connection with any assignment of Lender’s rights
hereunder, if requested by Borrower, the assignee shall agree to be expressly bound by Lender’s obligations hereunder. 

Section 11.08. Amendment and Modification; Waiver. This Agreement may only be amended, modified or
supplemented by an agreement in writing signed by each party hereto. No waiver by any party of any of the provisions hereof shall be effective unless explicitly set forth in writing and signed by the party so waiving. No waiver by any party shall
operate or be construed as a waiver in respect of any failure, breach or default not expressly identified by such written waiver, whether of a similar or different character, and whether occurring before or after that waiver. No failure to exercise,
or delay in exercising, 

 
any right, remedy, power or privilege arising from this Agreement shall operate or be construed as a waiver thereof; nor shall any single or partial exercise of any right, remedy, power or
privilege hereunder preclude any other or further exercise thereof or the exercise of any other right, remedy, power or privilege. 

Section 11.09. Governing Law; Submission to Jurisdiction; Waiver of Jury Trial. 

(a)    This Agreement shall be governed by and construed in accordance with the internal laws of the State of Florida
without giving effect to any choice or conflict of law provision or rule (whether of the State of Florida or any other jurisdiction). 

(b)    ANY LEGAL SUIT, ACTION OR PROCEEDING ARISING OUT OF OR BASED UPON THIS AGREEMENT, THE NOTE OR THE TRANSACTIONS
CONTEMPLATED HEREBY OR THEREBY MAY BE INSTITUTED IN THE FEDERAL COURTS OF THE UNITED STATES OF AMERICA OR THE COURTS OF THE STATE OF FLORIDA IN EACH CASE LOCATED IN THE CITY OF TAMPA AND COUNTY OF HILLSBOROUGH, AND EACH PARTY IRREVOCABLY SUBMITS TO
THE EXCLUSIVE JURISDICTION OF SUCH COURTS IN ANY SUCH SUIT, ACTION OR PROCEEDING. SERVICE OF PROCESS, SUMMONS, NOTICE OR OTHER DOCUMENT BY MAIL TO SUCH PARTY’S ADDRESS SET FORTH HEREIN SHALL BE EFFECTIVE SERVICE OF PROCESS FOR ANY SUIT, ACTION
OR OTHER PROCEEDING BROUGHT IN ANY SUCH COURT. THE PARTIES IRREVOCABLY AND UNCONDITIONALLY WAIVE ANY OBJECTION TO THE LAYING OF VENUE OF ANY SUIT, ACTION OR ANY PROCEEDING IN SUCH COURTS AND IRREVOCABLY WAIVE AND AGREE NOT TO PLEAD OR CLAIM IN ANY
SUCH COURT THAT ANY SUCH SUIT, ACTION OR PROCEEDING BROUGHT IN ANY SUCH COURT HAS BEEN BROUGHT IN AN INCONVENIENT FORUM. 

(c)    EACH PARTY ACKNOWLEDGES AND AGREES THAT ANY CONTROVERSY WHICH MAY ARISE UNDER THIS AGREEMENT OR THE NOTE IS LIKELY
TO INVOLVE COMPLICATED AND DIFFICULT ISSUES AND, THEREFORE, EACH SUCH PARTY IRREVOCABLY AND UNCONDITIONALLY WAIVES ANY RIGHT IT MAY HAVE TO A TRIAL BY JURY IN RESPECT OF ANY LEGAL ACTION ARISING OUT OF OR RELATING TO THIS AGREEMENT, THE OTHER LOAN
DOCUMENTS OR THE TRANSACTIONS CONTEMPLATED HEREBY OR THEREBY. EACH PARTY TO THIS AGREEMENT CERTIFIES AND ACKNOWLEDGES THAT (A) NO REPRESENTATIVE OF ANY OTHER PARTY HAS REPRESENTED, EXPRESSLY OR OTHERWISE, THAT SUCH OTHER PARTY WOULD NOT SEEK TO
ENFORCE THE FOREGOING WAIVER IN THE EVENT OF A LEGAL ACTION, (B) SUCH PARTY HAS CONSIDERED THE IMPLICATIONS OF THIS WAIVER, (C) SUCH PARTY MAKES THIS WAIVER VOLUNTARILY, AND (D) SUCH PARTY HAS BEEN INDUCED TO ENTER INTO THIS AGREEMENT
BY, AMONG OTHER THINGS, THE MUTUAL WAIVERS AND CERTIFICATIONS IN THIS SECTION 11.09(c). 
 Section 11.10.
Counterparts. This Agreement may be executed in counterparts, each of which shall be deemed an original, but all of which together shall be deemed to be one and the same agreement. A signed copy of this Agreement delivered by facsimile, e-mail or other means of electronic transmission shall be deemed to have the same legal effect as delivery of an original signed copy of this Agreement. 

(Signatures on following page(s).) 

 IN WITNESS WHEREOF, the parties hereto have caused this Agreement to be executed as of the
date first written above by their respective officers thereunto duly authorized. 
  

							
	SMOM LIMITED	  	    ODYSSEY MARINE EXPLORATION, INC.
		  		  		  	
	 By:
	  	  
	  	     By:
	  	  

		  		  		  	 Mark D. Gordon

	 Name:
	  	  
	  		  	 President and Chief Executive Officer

		  		  		  	
	 Title:
	  	  
	  		  	
		  		  		  	
		  		  	    ALDAMA MINING COMPANY, S. DE R.L. DE C.V.
				
		  		  	     By:
	  	  

		  		  		  	 Mark D. Gordon

Manager

 Appendix A 

Rights Collateral 
 For purposes of this
Agreement: 
 “Rights Collateral” means Borrower’s right to receive 21.25% of the Net Proceeds with respect to each
Covered Shipwreck, where: 
 “Covered Shipwrecks” means (a) the shipwrecks included in the proprietary shipwreck
database and research library of Borrower as of December 10, 2015, excluding any Excluded Shipwrecks, and (b) any other shipwrecks discovered or identified by or presented to Borrower or Lender or any of its Affiliates during the
five-year period ending December 10, 2020. 
 “Excluded Shipwrecks” means the wrecks associated with these projects of
Borrower as of December 10, 2015: the HMS Victory Project, the HMS Sussex Project, the Enigma II Project, and the C-46 Airplane Cargo Project. 

“Net Proceeds” means, with respect to each Covered Shipwreck, an amount equal to the difference between (a) the proceeds
to Lender or any of its Affiliates from sales of the portion of Valuable Trade Cargo from such Covered Shipwreck that is monetized by Lender or any of its Affiliates, and (b) the Recovery Costs incurred by Lender or any of its Affiliates
related to such Covered Shipwreck. 
 “Recovery Costs” means (a) all reasonable and direct costs and expenses for
offshore archaeological operations with respect to a Covered Shipwreck, plus any costs of conservation, documentation, certification, legal fees, transportation and any other costs that are reasonably necessary to complete a project related to such
Covered Shipwreck, in each case incurred by Lender or any of its Affiliates; (b) any payments or percentages to owners, governments or other entities as may be negotiated or determined by a court of competent jurisdiction; (c) any
percentages up to 5.0% paid or incurred as marketing fees; and (d) any percentages paid to investors (whether Lender, Borrower, any of their respective Affiliates, or a third party), provided that those obligations were disclosed in advance and
Borrower has been provided with a right of refusal to participate proportionally in any investment that may be required to fund the project for such Covered Shipwreck to prevent any dilution to Borrower’s economic interest in Covered Shipwreck.

 “Valuable Trade Cargo” means numismatic coins, collectible coins, bullion coins, bullion, ingots, pottery and other
valuable trade goods that are recovered from any Covered Shipwreck that will be available for sale by any of Lender or any of its Affiliates.EX-10.4

 Exhibit 10.4 

Execution Version 
 NEITHER THIS NOTE NOR THE
SECURITIES INTO WHICH THIS NOTE IS CONVERTIBLE HAVE BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED, OR THE SECURITIES LAWS OF ANY STATE OF THE UNITED STATES (COLLECTIVELY, THE “ACTS”). THIS NOTE AND THE SECURITIES INTO WHICH
THIS NOTE IS CONVERTIBLE MAY NOT BE SOLD, DISTRIBUTED, OFFERED, PLEDGED, ENCUMBERED, ASSIGNED OR OTHERWISE TRANSFERRED IN THE ABSENCE OF THE FOLLOWING: (1) AN EFFECTIVE REGISTRATION STATEMENT FOR THE SECURITIES UNDER THE ACTS COVERING THE
TRANSACTION, (2) THE COMPANY RECEIVES AN OPINION OF COUNSEL REASONABLY SATISFACTORY TO THE COMPANY THAT SUCH REGISTRATION IS NOT REQUIRED UNDER THE ACTS, OR (3) THE COMPANY OTHERWISE SATISFIES ITSELF THAT REGISTRATION IS NOT REQUIRED UNDER
THE ACTS. 
 AMENDED AND RESTATED 

CONVERTIBLE PROMISSORY NOTE 

 
  

 

					
	$3,500,000.00	 		 	April 20, 2018

 FOR VALUE RECEIVED, ODYSSEY MARINE EXPLORATION, INC., a Nevada corporation
(“Borrower”), hereby promises to pay to the order of SMOM LIMITED, a registered private company organized under the Companies (Jersey) Law 1991 (“Lender”), the principal sum of up to Three
Million Five Hundred Thousand Dollars ($3,500,000.00), together with interest accruing at the rate of ten percent (10.0%) per annum on the outstanding amount of principal. This Note evidences advances made pursuant to that certain Amended and
Restated Loan and Security Agreement of even date herewith by and between Borrower and Lender (the “Loan Agreement”). Capitalized terms used and not defined herein shall have the meanings ascribed to such terms in the Loan
Agreement. 
 Article 1 

Definitions 
 For purposes
of this Note, the following terms shall have the respective meanings given to them below: 
 “Aldama” means Aldama Mining
Company, S. de R.L. de C.V., a Mexican company, 100.0% of the equity interests of which are owned, directly or indirectly, by Borrower as of the date of this Note. 

“Conversion Basis” means $4.0 million. 

“Equity Interests” means the outstanding equity interests in Aldama held by Borrower as of the date of this Note. 

“Maturity Date” means May 3, 2019. 

 Article 2 

Payment Terms 

Section 2.01. Maturity. The entire unpaid principal sum disbursed and outstanding, together with any interest
thereon remaining unpaid and any other sums due the Lender in connection with the Loan shall be due and payable in full on the Maturity Date. 

Section 2.02. Prepayment. Subject to the provisions of Article 4, Borrower shall have the right to prepay
this Note, in whole or part, at any time, in accordance with the terms of this Note and the Loan Agreement upon 30 days’ written notice (a “Prepayment Notice”) to Lender. 

Article 3 
 Default and
Remedies 
 Section 3.01. Default. The occurrence of an Event of Default under the Loan Agreement shall
constitute an “Event of Default” hereunder. 
 Section 3.02. Remedies. Upon the occurrence
and continuation of an Event of Default that has not been cured in accordance with the terms of the Loan Agreement, or at any time thereafter, at the option of Lender, all indebtedness hereunder immediately will become due and payable upon written
notice to Borrower from Lender, and Lender shall be entitled to exercise its other rights and remedies set forth in Article 8 of the Loan Agreement. 

Article 4 
 Conversion

 Section 4.01. Option to Convert. Lender shall have the right at any time and from time to time
during the period commencing on the date of this Note and ending on the date that is the later of (a) 12 months after the Maturity Date or (b) 12 months after the entire unpaid principal sum disbursed and outstanding, together with any interest
thereon remaining unpaid and any other sums due the Lender in connection with the Loan is repaid in full (as applicable, the “Conversion Period”), in accordance with the procedures set forth below, to convert all or any
portion of the outstanding principal amount of this Note and any accrued and unpaid interest thereon (the “Convertible Obligations”) into up to 50.0% of the Equity Interests. For the avoidance of doubt, 50.0% is the maximum
percentage of the Equity Interests into which Lender may convert the Convertible Obligations pursuant to this Article 4. 

Section 4.02. Exercise Notice. If Lender elects to exercise its right to convert the Convertible Obligations,
Lender shall (a) specify in a written notice to Borrower (an “Exercise Notice”) (a) that Lender elects to exercise its right to convert all or a portion of the Convertible Obligations, (b) the amount of the
Convertible Obligations to be so converted, and (c) whether Equity Interests purchased pursuant to this Article 4 are to be issued in the name of Lender or a designee; and (ii) surrender this Note to Odyssey and furnish any
appropriate endorsements and transfer documents if required by Lender. As soon as practicable thereafter, the Equity Interests purchased by Lender pursuant to this Article 4 shall be registered in the name of Lender or its designee(s). 

Section 4.03. Conversion Basis. If Lender elects to exercise its right to convert all or a portion of the
Convertible Obligations, then the percentage of the Equity Interests that Lender shall be entitled to receive shall equal the quotient, stated as a percentage, determined by dividing (a) the amount of the Convertible Obligations to be
converted, as specified in the Exercise Notice, by (b) the Conversion Basis. For example, if Lender elects to convert $2.0 million of the Convertible Obligations, then Lender would 

  
 2 

 
be entitled to receive 50.0% of the Equity Interests. If (x) Lender desires to acquire the entire 50.0% of the Equity Interests, but (y) the amount of the Convertible Obligations is
insufficient to acquire such amount upon conversion of the Convertible Obligations then, at the time that Lender delivers the Exercise Notice to Borrower, Lender shall also deliver to Borrower cash in the amount of the deficiency by wire transfer of
immediately available funds to an account designated by Borrower. 
 Section 4.04. Conversion Date. Any
conversion of the Convertible Obligations pursuant to this Note by Lender shall be deemed to occur on the date which Lender delivers the Exercise Notice and surrenders this Note to Lender (the “Conversion Date”), except that,
if Lender delivers an Exercise Notice within thirty days before the Maturity Date, then the Conversion Date shall be the Maturity Date. 

Section 4.05. Partial Conversion. If the Convertible Obligations are converted in part only, then upon
surrender of this Note, Borrower shall issue to the holder of this Note a new note or notes (dated the date hereof) of like tenor, calling in the aggregate on the face or faces thereof for a principal amount equal to the principal amount on the face
of this Note minus the principal amount so converted. 
 Section 4.06. Distributions. If Lender exercises
its right to convert the Convertible Obligations pursuant to this Article 4, Borrower shall be entitled to receive all distributions on or relating to the Equity Interests acquired upon conversion that would otherwise be payable to Lender until
Borrower has received aggregate distributions in an amount equal to the product of (a) $3.0 million, multiplied by (b) a fraction, the numerator of which is the percentage equity interest in Aldama acquired by Lender upon conversion, and
the denominator of which is 50.0%. For example, if Lender acquires 25.0% of the Equity Interests in Aldama, Borrower shall be entitled to receive the first $1.5 million of distributions on or relating to such Equity Interests that would
otherwise be payable to Lender. 
 Section 4.07. Limitation. For the avoidance of doubt and notwithstanding
any provision of the Loan Agreement or this Note to the contrary, the 50.0% of the Equity Interests represents the maximum interest in Guarantor that Lender may acquire, in the aggregate, upon any exercise of the Option (as defined in the Loan
Agreement) pursuant to Article 10 of the Loan Agreement or any exercise of Lender’s right to convert the Convertible Obligations pursuant to this Article 4. 

Article 5 
 Miscellaneous

 Section 5.01. Notices. All notices, requests, consents, claims, demands, waivers and other
communications hereunder shall be in writing and shall be deemed to have been given (a) when delivered by hand (with written confirmation of receipt); (b) when received by the addressee if sent by a nationally recognized overnight courier
(receipt requested); or (c) on the date sent by e-mail of a PDF document (with confirmation of transmission) if sent during normal business hours of the recipient, and on the next Business Day if sent
after normal business hours of the recipient. Such communications must be sent to the respective parties at the following addresses (or at such other address for a party as shall be specified in a notice given in accordance with this
Section 5.01): 
  

							
		 	 If to Borrower:
	  	 Odyssey Marine Exploration, Inc.
	  	
		 		  	 5215 West Laurel Street
	  	
		 		  	 Tampa, Florida 33607
	  	
		 		  	 Attention: President and CFO
	  	
		 		  	 Email: mark@odysseymarine.com
	  	

  
 3 

							
		 	 With a copy to:
	  	 Akerman LLP
	  	
		 		  	 401 East Jackson Street
	  	
		 		  	 Suite 1700
	  	
		 		  	 Tampa, Florida 33602
	  	
		 		  	 Attention: David M. Doney
	  	
		 		  	 Email: david.doney@akerman.com
	  	
				
		 	 If to Lender:
	  	 c/o Borchard & Callahan, APC
	  	
		 		  	 25909 Pala
	  	
		 		  	 Suite 300
	  	
		 		  	 Mission Viejo, California 92691
	  	
		 		  	 Attention: Thomas Borchard
	  	
		 		  	 Email: tborchard@borchardlaw.com
	  	

 Section 5.02. Interpretation. For purposes of this Note, (a) the words
“include,” “includes” and “including” shall be deemed to be followed by the words “without limitation”; (b) the word “or” is not exclusive; and (c) the words “herein,”
“hereof,” “hereby,” “hereto” and “hereunder” refer to this Note as a whole. Unless the context otherwise requires, references herein: (x) to Articles and Sections mean the Articles and Sections of, and
Exhibits attached to, this Note; (y) to an agreement, instrument or other document means such agreement, instrument or other document as amended, supplemented and modified from time to time to the extent permitted by the provisions thereof and
(z) to a statute means such statute as amended from time to time and includes any successor legislation thereto and any regulations promulgated thereunder. This Note shall be construed without regard to any presumption or rule requiring
construction or interpretation against the party drafting an instrument or causing any instrument to be drafted. 

Section 5.03. Headings. The headings in this Note are for reference only and shall not affect the
interpretation of this Note. 
 Section 5.04. Severability. If any term or provision of this Note is
invalid, illegal or unenforceable in any jurisdiction, such invalidity, illegality or unenforceability shall not affect any other term or provision of this Note or invalidate or render unenforceable such term or provision in any other jurisdiction.
Upon such determination that any term or other provision is invalid, illegal or unenforceable, the parties hereto shall negotiate in good faith to modify this Note so as to effect the original intent of the parties as closely as possible in a
mutually acceptable manner in order that the transactions contemplated hereby be consummated as originally contemplated to the greatest extent possible. 

Section 5.05. Successors and Assigns. This Note shall be binding upon and shall inure to the benefit of the
parties hereto and their respective successors and permitted assigns. Neither party may assign its rights or obligations hereunder without the prior written consent of the other party, which consent shall not be unreasonably withheld or delayed,
except that Lender may assign its rights hereunder to an affiliate of Lender without the prior consent of Borrower. In connection with any assignment of Lender’s rights hereunder, if requested by Borrower, the assignee shall agree to be
expressly bound by Lender’s obligations hereunder. 
 Section 5.06. Amendment and Modification;
Waiver. This Note may only be amended, modified or supplemented by an agreement in writing signed by each party hereto. No waiver by any party of any of the provisions hereof shall be effective unless explicitly set forth in writing and signed
by the party so waiving. No waiver by any party shall operate or be construed as a waiver in respect of any failure, breach or default not expressly identified by such written waiver, whether of a similar or different character, and whether
occurring before or after that waiver. No failure to exercise, or delay in exercising, 

  
 4 

 
any right, remedy, power or privilege arising from this Note shall operate or be construed as a waiver thereof; nor shall any single or partial exercise of any right, remedy, power or privilege
hereunder preclude any other or further exercise thereof or the exercise of any other right, remedy, power or privilege. 

Section 5.07. Governing Law; Submission to Jurisdiction; Waiver of Jury Trial. 

(a)    This Note shall be governed by and construed in accordance with the internal laws of the State of Florida without
giving effect to any choice or conflict of law provision or rule (whether of the State of Florida or any other jurisdiction). 

(b)    ANY LEGAL SUIT, ACTION OR PROCEEDING ARISING OUT OF OR BASED UPON THIS AGREEMENT, THE OTHER LOAN DOCUMENTS OR THE
TRANSACTIONS CONTEMPLATED HEREBY OR THEREBY MAY BE INSTITUTED IN THE FEDERAL COURTS OF THE UNITED STATES OF AMERICA OR THE COURTS OF THE STATE OF FLORIDA IN EACH CASE LOCATED IN THE CITY OF TAMPA AND COUNTY OF HILLSBOROUGH, AND EACH PARTY
IRREVOCABLY SUBMITS TO THE EXCLUSIVE JURISDICTION OF SUCH COURTS IN ANY SUCH SUIT, ACTION OR PROCEEDING. SERVICE OF PROCESS, SUMMONS, NOTICE OR OTHER DOCUMENT BY MAIL TO SUCH PARTY’S ADDRESS SET FORTH HEREIN SHALL BE EFFECTIVE SERVICE OF
PROCESS FOR ANY SUIT, ACTION OR OTHER PROCEEDING BROUGHT IN ANY SUCH COURT. THE PARTIES IRREVOCABLY AND UNCONDITIONALLY WAIVE ANY OBJECTION TO THE LAYING OF VENUE OF ANY SUIT, ACTION OR ANY PROCEEDING IN SUCH COURTS AND IRREVOCABLY WAIVE AND AGREE
NOT TO PLEAD OR CLAIM IN ANY SUCH COURT THAT ANY SUCH SUIT, ACTION OR PROCEEDING BROUGHT IN ANY SUCH COURT HAS BEEN BROUGHT IN AN INCONVENIENT FORUM. 

(c)    EACH PARTY ACKNOWLEDGES AND AGREES THAT ANY CONTROVERSY WHICH MAY ARISE UNDER THIS AGREEMENT OR THE OTHER LOAN
DOCUMENTS IS LIKELY TO INVOLVE COMPLICATED AND DIFFICULT ISSUES AND, THEREFORE, EACH SUCH PARTY IRREVOCABLY AND UNCONDITIONALLY WAIVES ANY RIGHT IT MAY HAVE TO A TRIAL BY JURY IN RESPECT OF ANY LEGAL ACTION ARISING OUT OF OR RELATING TO THIS
AGREEMENT, THE OTHER LOAN DOCUMENTS OR THE TRANSACTIONS CONTEMPLATED HEREBY OR THEREBY. EACH PARTY TO THIS AGREEMENT CERTIFIES AND ACKNOWLEDGES THAT (A) NO REPRESENTATIVE OF ANY OTHER PARTY HAS REPRESENTED, EXPRESSLY OR OTHERWISE, THAT SUCH
OTHER PARTY WOULD NOT SEEK TO ENFORCE THE FOREGOING WAIVER IN THE EVENT OF A LEGAL ACTION, (B) SUCH PARTY HAS CONSIDERED THE IMPLICATIONS OF THIS WAIVER, (C) SUCH PARTY MAKES THIS WAIVER VOLUNTARILY, AND (D) SUCH PARTY HAS BEEN
INDUCED TO ENTER INTO THIS AGREEMENT BY, AMONG OTHER THINGS, THE MUTUAL WAIVERS AND CERTIFICATIONS IN THIS SECTION 10.10(c). 

Section 5.08. Counterparts. This Note may be executed in counterparts, each of which shall be deemed an
original, but all of which together shall be deemed to be one and the same agreement. A signed copy of this Note delivered by facsimile, e-mail or other means of electronic transmission shall be deemed to have
the same legal effect as delivery of an original signed copy of this Note. 
 [Signatures on following page(s).] 

  
 5 

 IN WITNESS WHEREOF, the parties hereto have caused this Note to be executed as of the date
first written above by their respective officers thereunto duly authorized. 
  

			
	ODYSSEY MARINE EXPLORATION, INC.
		
	By:	 	  

		 	Mark D. Gordon
		 	President and Chief Executive Officer

  

			
	Agreed and accepted as payee:
	
	SMOM LIMITED
		
	By:	 	  

	Name:	 	  

	Title:	 	  

  
 6

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