Document:

Exhibit
10.5

 

SECOND
AMENDMENT TO THE PLEDGE AND SECURITY AGREEMENT

 

This
SECOND AMENDMENT TO THE PLEDGE AND SECURITY AGREEMENT, dated as of November 23, 2016 (this “Second Amendment”),
is entered into by and among Ener-Core, Inc., a Delaware corporation (the “Company”), Ener-Core Power,
Inc. (“ECP”), a Delaware corporation, and each other Subsidiary of the Company and ECP hereafter becoming
party hereto (together with the Company and ECP, each a “Grantor” and, collectively, the “Grantors”),
and Empery Tax Efficient, LP, in its capacity as collateral agent (in such capacity, the “Collateral Agent”)
for (a) the buyers listed in the Schedule of Buyers (the “April 2015 Investors”) attached to that certain Securities
Purchase Agreement dated April 22, 2015 entered into by and among the Company and the April 2015 Investors (as the same may be
amended, restated or otherwise modified from time to time, the “April 2015 SPA”), (b) the buyers listed in
the Schedule of Buyers (the “May 2015 Investors”) attached to that certain Securities Purchase Agreement, dated
as of May 7, 2015 entered into by and among the Company and the May 2015 Investors (as the same may be amended, restated or otherwise
modified from time to time, the “May 2015 SPA”), (c) the buyers listed in the Schedule of Buyers (the “November
2016 Investors”) attached to that certain Securities Purchase Agreement, dated as of November 23, 2016 entered into
by and among the Company and the November 2016 Investors (as the same may be amended, restated, joined or otherwise modified from
time to time, the “November 2016 SPA”) and (d) the holders of the notes amended, restated and delivered pursuant
to those Amendment Agreements (collectively, the “Amendment Agreements”), pursuant to which the Company amended
and restated certain notes held by the April 2015 Investors and the May 2015 Investors for senior secured convertible notes. Reference
is hereby made to that certain Pledge and Security Agreement dated April 23, 2015 by and among the Company and the Collateral
Agent (as amended, restated, supplemented or otherwise modified prior to the date hereof, the “Security Agreement”).
Capitalized terms used herein and not otherwise defined shall have the definitions ascribed to such terms in the Security Agreement.

 

W
I T N E S S E T H:

 

WHEREAS,
the Company had previously entered into the April 2015 SPA with the April 2015 Investors pursuant to which the Company issued
senior secured promissory notes (as amended, restated, replaced or otherwise modified from time to time in accordance with the
terms thereof (including pursuant to the Amendment Agreements), collectively, the “April 2015 Notes”) and warrants
(“April 2015 Warrants”) to the April 2015 Investors (the financing transaction contemplated under the April
SPA is hereinafter referred as the “April 2015 Financing”).

 

WHEREAS,
as required under the terms of the April 2015 SPA, the Company entered into Security Agreement with the Collateral Agent for the
benefit of the April 2015 Investors, pursuant to which the Company granted the Collateral Agent a security interest in all personal
property (with certain exceptions as set forth the in Security Agreement) for the benefit of the April 2015 Investors in order
to secure all of the Company’s obligations under the April 2015 SPA and the April 2015 Notes.

 

     

    

    

 

WHEREAS,
as required under the terms of the May 2015 SPA, the Company amended the Security Agreement with the Collateral Agent, pursuant
to which the Company granted the Collateral Agent a security interest in all personal property (with certain exceptions as set
forth the in Security Agreement) for the benefit of the May 2015 Investors in order to secure all of the Company’s obligations
under the May 2015 SPA and the senior secured convertible notes issued pursuant to the May 2015 SPA (as amended, restated, replaced
or otherwise modified from time to time in accordance with the terms thereof (including pursuant to the Amendment Agreements),
collectively, the “May 2015 Notes”).

 

WHEREAS,
it is a condition precedent to the November 2016 Investors consummating the transactions contemplated by the November 2016 SPA
that the Grantors execute and deliver to the Collateral Agent an amendment to the Pledge and Security Agreement providing for
their grant to the Collateral Agent, for the benefit of the November 2016 Investors, of a security interest in all personal property
(with certain exceptions specified below) of the Grantors to secure all of the Company’s obligations under the November
2016 SPA and the senior secured notes issued pursuant thereto (as such notes may be amended, restated, replaced or otherwise modified
from time to time in accordance with the terms thereof, collectively, the “November 2016 Notes”) and each of
the other agreements entered into by the parties thereto in connection with the transactions contemplated by the November 2016
SPA.

 

WHEREAS,
it is a condition precedent to the April 2015 Investors and the May 2015 Investors consummating the transactions contemplated
by the Amendment Agreements that the Grantors execute and deliver to the Collateral Agent an amendment to the Pledge and Security
Agreement providing for their grant to the Collateral Agent, for the benefit of the April 2015 Investors and the May 2015 Investors,
of a security interest in all personal property (with certain exceptions specified below) of the Grantors to secure all of the
Company’s obligations under the Amendment Agreements and the senior secured notes amended, restated and delivered pursuant
thereto and each of the other agreements entered into by the parties thereto in connection with the transactions contemplated
by the Amendment Agreements.

 

WHEREAS,
the Company and the Collateral Agent desire to enter into this Second Amendment in order amend the Security Agreement to include
the November 2016 Investors as secured parties to whom the Company is also granting the aforementioned security interests such
that the November 2016 Notes shall rank pari passu in priority with the April 2015 Notes and the May 2015 Notes, with the
holders of each of the April 2015 Notes, the May 2015 Notes, the November 2016 Notes having a first priority perfected security
interest in all of the current and future assets of the Company and all direct and indirect Subsidiaries of the Company, except
for the “Excluded Assets” (as such term is defined in the Security Agreement).

 

WHEREAS,
each Grantor has determined that the execution, delivery and performance of this Second Amendment directly benefits, and are in
the best interest of the Company and such Grantor.

 

    	 	2	 

    

    

 

NOW,
THEREFORE, in consideration of the premises and the agreements herein and for other good and valuable consideration, the receipt
and sufficiency of which are hereby acknowledged, the parties hereto covenant and agree as follows:

 

SECTION
1. Amendments to the Security Agreement.

 

(a) The
definition of the term “Securities Purchase Agreement” in the first paragraph of the Security Agreement is
hereby amended and restated such that it means, collectively, the April 2015 SPA (as defined below), the May 2015 SPA (as defined
below), the November 2016 SPA (as defined below) and the Amendment Agreements (as defined below).

 

(b) The
third recital in the Security Agreement is hereby deleted, and the following recitals set forth below are hereby added after the
second recital in the Security Agreement:

 

“WHEREAS,
the Company and each party listed as a “Buyer” (each a “November 2016 Buyer”, and collectively,
the “November 2016 Buyers”) on the Schedule of Buyers (as such schedule may be amended, restated, joined or
otherwise modified from time to time) attached to that certain Securities Purchase Agreement by and among the Company and the
November 2016 Buyers dated November 23, 2016 (as the same may be amended, restated, joined or otherwise modified from time to
time, the “November 2016 SPA”), are parties to the November 2016 SPA, pursuant to which the Company is required
to sell, and the November 2016 Buyers shall purchase or have the right to purchase, senior secured notes (the “November
2016 Notes”).”

 

“WHEREAS,
the Company entered into an Amendment Agreement with each of the existing holders of the April 2015 Notes and the May 2015 Notes
(collectively, the “Amendment Agreements”), pursuant to which the Company amended, restated and delivered such
notes for amended and restated senior secured convertible notes.”

 

“WHEREAS,
(a) each of the April 2015 Buyers, the May 2015 Buyers and the November 2016 Buyers are hereinafter referred to individually as
a “Buyer” and collectively, the “Buyers”, (b) the April 2015 Notes, the May 2015 Notes,
the November 2016 Notes are hereinafter referred to collectively as the “Notes”, and (c) collectively, the
(1) April 2015 SPA, the April 2015 Notes and each of the other agreements entered into by the parties thereto in connection with
the transactions contemplated by the April 2015 SPA, (2) the May 2015 SPA, the May 2015 Notes and each of the other agreements
entered into by the parties thereto in connection with the transactions contemplated by the May 2015 SPA, (3) the November 2016
SPA, the November 2016 Notes and each of the other agreements entered into by the parties thereto in connection with the transactions
contemplated by the November 2016 SPA and (4) the Amendment Agreements and each of the other agreements entered into by the parties
thereto in connection with the transactions contemplated by the Amendment Agreements are hereinafter referred to as the “Combined
Transaction Documents”.”

 

    	 	3	 

    

    

 

(c)
All references to the term “Transaction Documents” in the Security Agreement shall be stricken and replaced by
the term “Combined Transaction Documents”.

 

(d) Section
1(c) of the Security Agreement is hereby amended to add the following term and definition:

 

“Note
Required Holders” means the holders of a majority of the outstanding principal amount of April 2015 Notes, the April
2015 Notes and the November 2016 Notes, taken together, and shall include Empery Asset Master Ltd. (“Empery”)
so long as Empery or any of its affiliates holds any April 2015 Notes, any May 2015 Notes or any November 2016 Notes.”

 

SECTION
2.Effectiveness. This Second Amendment shall become effective as of the date hereof only upon the satisfaction of all
of the following conditions precedent (the date of satisfaction of such conditions being referred to herein as the “Second
Amendment Effective Date”):

 

(a)
The Collateral Agent shall have received a counterpart signature page of this Second Amendment duly executed by each of the
Grantors; and

 

(b) The
representations and warranties contained in Section 3 of this Second Amendment are and will be true and correct in all material
respects on and as of the Second Amendment Effective Date to the same extent as though made on and as of that date, except to
the extent such representations and warranties specifically relate to an earlier date, in which case they were true and correct
in all material respects on and as of such earlier date.

 

SECTION
3.Representations and Warranties. In order to induce the Collateral Agent to enter into this Second Amendment and to
amend the Security Agreement in the manner provided herein, each Grantor represents and warrants to the Agent, that the following
statements are true and correct in all material respects:

 

(a)
This Second Amendment has been duly executed and delivered by each Grantor party hereto and each of this Second Amendment and
the Security Agreement as amended hereby is the legal, valid and binding obligation of each Grantor, and is enforceable
against each Grantor in accordance with its terms, except as enforceability may be limited by applicable bankruptcy,
insolvency or similar laws affecting the enforcement of creditors’ rights generally and by equitable principles
relating to enforceability.

 

(b)
The execution, delivery and performance of this Second Amendment and the Security Agreement as amended hereby, are within
each Grantor’s corporate powers and have been duly authorized by all necessary corporate actions of each Grantor. The
execution, delivery and performance of this Second Amendment and the existing Security Agreement as amended hereby (a) do not
require any consent or approval of, registration or filing with, or any other action by, any governmental authority or other
regulatory body or any other Person, except (A) such as have been obtained or made and are in full force and effect, (B) for
filings and registrations necessary to perfect Liens created pursuant to the Notes and the Transaction Documents, or (C)
consents or approvals the failure of which to obtain would not reasonably be expected to result in a Material Adverse Effect
(as defined in the Securities Purchase Agreement), (b) will not violate any law applicable to any Grantor which would result
in a Material Adverse Effect (as defined in the Securities Purchase Agreement), (c) will not result in a default under any
material indebtedness, and (d) will not result in the creation or imposition of any Lien on any asset of any Grantor, except
Liens created pursuant to the Notes and the Transaction Documents.

 

    	 	4	 

    

    

 

SECTION
4.References to and Effect on the Security Agreement.

 

(a) On
and after the Second Amendment Effective Date, each reference in the Security Agreement to “this Agreement”, “hereunder”,
“hereof”, “herein” or words of like import referring to the Security Agreement, and each reference in
the Transaction Documents to the “Pledge and Security Agreement”, “thereunder”, “thereof”
or words of like import referring to the Security Agreement shall mean and be a reference to the Security Agreement, as amended
by this Second Amendment.

 

(b) Except
as specifically amended by this Second Amendment, the Security Agreement and the Transaction Documents shall remain in full force
and effect and are hereby ratified and confirmed.

 

(c) The
execution, delivery and performance of this Second Amendment shall not constitute a waiver of any provision of, or operate as
a waiver of any right, power or remedy of any Collateral Agent or Buyer under, the Security Agreement or any of the other Transaction
Documents.

 

SECTION
5.APPLICABLE LAW. THIS SECOND AMENDMENT AND THE RIGHTS AND OBLIGATIONS OF THE PARTIES HEREUNDER SHALL BE GOVERNED BY,
CONSTRUED AND INTERPRETED IN ACCORDANCE WITH THE LAWS OF THE STATE OF NEW YORK, EXCEPT AS REQUIRED BY MANDATORY PROVISIONS OF
LAW AND EXCEPT TO THE EXTENT THAT THE VALIDITY AND PERFECTION OR THE PERFECTION AND THE EFFECT OF PERFECTION OR NON-PERFECTION
OF THE SECURITY INTEREST CREATED HEREBY, OR REMEDIES HEREUNDER, IN RESPECT OF ANY PARTICULAR COLLATERAL ARE GOVERNED BY THE LAW
OF A JURISDICTION OTHER THAN THE STATE OF NEW YORK

 

SECTION
6.Counterparts and Facsimile or Electronic Signatures. This Second Amendment may be executed in any number of counterparts
and by different parties hereto in separate counterparts, each of which when so executed and delivered shall be deemed an original,
but all such counterparts together shall constitute but one and the same instrument; signature pages may be detached from multiple
separate counterparts and attached to a single counterpart so that all signature pages are physically attached to the same document.
This Second Amendment may be executed by fax or electronic mail, in PDF format, and no party hereto may contest this Second Amendment’s
validity solely because a signature was faxed or otherwise sent electronically.

 

[REMAINDER
OF THIS PAGE INTENTIONALLY LEFT BLANK]

 

    	 	5	 

    

    

 

IN
WITNESS WHEREOF, each Grantor has caused this Second Amendment to be executed and delivered by its officer thereunto duly authorized,
as of the date first above written.

 

	 	ENER-CORE, INC., a Delaware corporation
	 	 	 
	 	By:	
	 	Name:	Alain
    J. Castro
	 	Title:	Chief
    Executive Officer
	 	 	 
	 	Address
    for Notices:
	 	9400
    Toledo Way
	 	Irvine,
    California 92618
	 	Attention:
    Mr. Domonic J. Carney
	 	Facsimile:
    (949) 616-3399
	 	Email:
    DJ.Carney@ener-core.com
	 	 	 
	 	ENER-CORE POWER, INC., a Delaware corporation
	 	 	 
	 	By:	                                 
	 	 	Name:
	 	 	Title:
	 	 	 
	 	Address
    for Notices:
	 	9400
    Toledo Way
	 	Irvine,
    California  92618
	 	Attention:
    Mr. Domonic J. Carney, CFO
	 	Facsimile:
    (949) 616-3399
	 	Email:
    DJ.Carney@ener-core.com

 

    	 	6	 

    

    

  

ACCEPTED
BY:

 

	EMPERY
    TAX EFFICIENT, LP,	 
	as
    Collateral Agent	 
	 	 	 
	By:	Empery
    Asset Management, LP, its authorized agent

 

	By:	 	 
	 	Name:	Brett
    Director	 
	 	Title:  	General
    Counsel	 
	 	Address:	c/o
                                         Empery Asset Management, LP

        1
Rockefeller Plaza, Suite 1205

        New
        York, NY 10020
	 

 

 

 

 7Exhibit 10.6

 

FIRST AMENDMENT TO

SECURITIES
PURCHASE AGREEMENT

 

THIS
FIRST AMENDMENT TO SECURITIES PURCHASE AGREEMENT (this “Amendment”) is made and entered into as of November
23, 2016, by and among Ener-Core, Inc., a Delaware corporation (the “Company”) and the undersigned, and amends
that certain Securities Purchase Agreement, dated as of September 1, 2016 (as amended to date, the “Agreement”),
by and among the Company, the “Buyers” identified therein, and the Subordinated Agent identified therein. Capitalized
terms used herein but not otherwise defined herein shall have the meanings ascribed to such terms in the Agreement.

 

RECITALS

 

WHEREAS,
pursuant to Section 8(e) of the Agreement, any term of the Agreement may be amended only with the written consent of (i) the Company
and (ii) the holders of at least a majority of the aggregate number of the Conversion Shares and the Warrant Shares issued or
issuable under the Notes (calculated using the Assumed Conversion Price) and Warrants (without regard to any limitation on conversion
or exercise set forth therein) (as adjusted for any stock dividend, stock split, stock combination, reclassification or similar
transaction occurring after the date thereof) (the “Required Holders”);

 

WHEREAS,
any amendment effected in accordance with Section 8(e) of the Agreement is binding upon each holder of any securities purchased
under the Agreement and the Company; and

 

WHEREAS,
the parties hereto wish to amend the Agreement as set forth below.

 

AGREEMENT

 

NOW,
THEREFORE, in consideration of the mutual covenants herein contained and other good and valuable consideration, the receipt
and sufficiency of which are hereby acknowledged, the parties, intending to be legally bound, agree as follows:

 

ARTICLE
I

AMENDMENTS TO THE AGREEMENT

 

Section
1.1Warrant Adjustment. In consideration of the negotiation, execution and delivery of this Amendment, the Company shall,
upon consummation of the transactions contemplated hereby, adjust the exercise price per share of each outstanding Warrant and
Additional Warrant held by each Buyer under the Agreement from $4.00 to $3.00 (as may be adjusted for any stock dividend, stock
split, stock combination, reclassification or similar transaction) and shall issue any further Additional Warrants with an exercise
price of $3.00 per share (as may be adjusted for any stock dividend, stock split, stock combination, reclassification or similar
transaction).

 

Section
1.2 Extension of Listing Deadline. Section 4(f) of the Agreement is hereby amended and restated as follows:

 

“The
Company shall commence trading of its Common Stock on either The New York Stock Exchange, Inc., the NYSE MKT LLC, The NASDAQ Capital
Market, The NASDAQ Global Select Market or The NASDAQ Global Market no later than December 31, 2017.”

 

     

     

    

 

ARTICLE
II

MISCELLANEOUS

 

Section
2.1 Effect of this Amendment. This Amendment shall form a part of the Agreement for all purposes, and each party thereto
and hereto shall be bound hereby. This Amendment shall only be deemed to be in full force and effect from and after both the execution
of this Amendment by the parties hereto and the execution of agreements substantially identical to this Amendment by the Company
and “Buyers” holding a sufficient number of Conversion Shares and Warrant Shares issued or issuable under the Notes
(calculated using the Assumed Conversion Price) and Warrants (without regard to any limitation on conversion or exercise set forth
therein) (as adjusted for any stock dividend, stock split, stock combination, reclassification or similar transaction occurring
after the date thereof) that, together with undersigned, constitute the Required Holders. From and after such effectiveness, any
reference to the Agreement shall be deemed to be a reference to the Agreement, as amended hereby. Except as specifically amended
as set forth herein, each term and condition of the Agreement shall continue in full force and effect.

 

Section
2.2 Entire Agreement. This Amendment, together with the Agreement, contains the entire agreement of the parties and
supersedes any prior or contemporaneous written or oral agreements between them concerning the subject matter of this Amendment.

 

Section
2.3 Governing Law. This Amendment shall be governed by the internal law of the State of New York.

 

Section
2.4 Counterparts. This Amendment may be executed in any number of counterparts and by different parties hereto in separate
counterparts, each of which when so executed and delivered shall be deemed an original, but all such counterparts together shall
constitute but one and the same instrument; signature pages may be detached from multiple separate counterparts and attached to
a single counterpart so that all signature pages are physically attached to the same document. This Amendment may be executed
by fax or electronic mail, in PDF format, and no party hereto may contest this Amendment’s validity solely because a signature
was faxed or otherwise sent electronically.

 

[Signature
Pages Follow]

 

     

     

    

 

IN
WITNESS WHEREOF, the parties hereto have executed this First Amendment to Securities Purchase Agreement as of the date first
written above.

 

	 	COMPANY:
	 	 
	 	ENER-CORE, INC.
	 	 	 
	 	By:	 
	 	 	Name:
	 	 	Title:

 

 

Signature
Page to First Amendment to Securities Purchase Agreement—September 2016 

 

     

     

    

 

IN
WITNESS WHEREOF, the parties hereto have executed this First Amendment to Securities Purchase Agreement as of the date first
written above.

 

	 	BUYER:

	 	 	 
	 	By:	 
	 	 	Name: 
	 	 	Title: 

 

 

Signature
Page to First Amendment to Securities Purchase Agreement—September 2016

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