Document:

Exhibit 10.6

 

_______
__, 2017

 

Gentlemen:

 

Black
Ridge Acquisition Corp. (“Corporation”), a blank check company formed for the purpose of acquiring one or more businesses
or entities (a “Business Combination”), intends to register its securities under the Securities Act of 1933, as amended
(“Securities Act”), in connection with its initial public offering (“IPO”).

 

The
undersigned hereby commits to purchase an aggregate of 350,000 units of the Corporation (“Initial Units”), each Initial
Unit consisting of one share of common stock, par value $0.0001 per share, of the Corporation (“Common Stock”), one
right (“Right”) to receive one-tenth of one share of Common Stock upon the consummation of a Business Combination
and one warrant (“Warrant”), each whole Warrant to purchase one share of Common Stock, at $10.00 per Private Unit,
for an aggregate purchase price of $3,500,000 (the “Initial Purchase Price”). Additionally, if the underwriters in
the IPO exercise their over-allotment option in full or part, the undersigned further commits to purchase up to an additional
37,500 Units (“Additional Units” and together with the Initial Units, the “Private Units”) at $10.00 per
Additional Unit for an aggregate purchase price of up to $375,000 (the “Over-Allotment Purchase Price” and together
with the Initial Purchase Price, the “Purchase Price”). At least 24 hours prior to the effective date (“Effective
Date”) of the Corporation’s registration statement filed in connection with the IPO (“Registration Statement”),
the undersigned will cause the Purchase Price to be delivered to Graubard Miller, counsel for the Corporation (“Counsel”),
by wire transfer as set forth in the instructions attached as Exhibit A to hold in escrow in a non-interest bearing account until
the Corporation consummates the IPO.

 

The
consummation of the purchase and issuance of the Initial Units and Additional Units (if any) shall occur simultaneously with the
consummation of the IPO and over-allotment option, respectively. Simultaneously with the consummation of the IPO, Counsel shall
deposit the Initial Purchase Price, without interest or deduction, into the trust fund (“Trust Fund”) established
by the Corporation for the benefit of the Corporation’s public stockholders as described in the Registration Statement.
Simultaneously with the consummation of all or any part of the over-allotment option, Counsel shall deposit the pro-rata portion
of the Over-Allotment Purchase Price, based upon the amount of the over-allotment option that has been exercised, without interest
or deduction, into the Trust Fund. Upon expiration of the over-allotment option, Counsel shall return any unused portion of the
Over-Allotment Purchase Price to the undersigned. If the Corporation does not complete the IPO within fourteen (14) days from
the Effective Date, the Purchase Price (without interest or deduction) will be returned to the undersigned.

 

     

     

    

 

Each
of the Corporation and the undersigned acknowledges and agrees that Counsel is serving hereunder solely as a convenience to the
parties to facilitate the purchase of the Private Units and Counsel’s sole obligation under this letter agreement is to
act with respect to holding and disbursing the Purchase Price for the Private Units as described above. Counsel shall not be liable
to the Corporation or the undersigned or any other person or entity in respect of any act or failure to act hereunder or otherwise
in connection with performing its services hereunder unless Counsel has acted in a manner constituting gross negligence or willful
misconduct. The undersigned shall indemnify Counsel against any claim made against it (including reasonable attorney’s fees)
by reason of it acting or failing to act in connection with this letter agreement except as a result of its gross negligence or
willful misconduct. Counsel may rely and shall be protected in acting or refraining from acting upon any written notice, instruction
or request furnished to it hereunder and believed by it to be genuine and to have been signed or presented by the proper party
or parties.

 

The
Private Units will be identical to the units to be sold by the Corporation in the IPO, except that:

  

		●	the
                                         undersigned agrees to vote the shares of Common Stock included in the Private Units in
                                         favor of any proposed Business Combination;

 

		●	the
                                         undersigned agrees not to seek conversion rights, or seek to sell such shares in any
                                         tender offer, with respect to any shares of Common Stock included in the Private Units;

 

		●	the
                                         Private Units and underlying securities will not be transferable by the undersigned until
                                         after the completion of a Business Combination (except (i) to the undersigned’s
                                         or the Corporation’s officers, directors and employees, to a holder’s affiliates,
                                         or to its members upon its liquidation, (ii) by private sales made in connection with
                                         the consummation of a Business Combination at prices no greater than the price at which
                                         the Private Units were originally purchased or (iii) to the Corporation for cancellation
                                         in connection with the consummation of a Business Combination, in each case (except for
                                         clause iii) where the transferee agrees to the terms of the transfer restrictions);

 

		●	the
                                         Private Units will be subject to customary registration rights, which shall be described
                                         in the Registration Statement;

 

		●	the
                                         undersigned will not participate in any liquidation distribution with respect to the
                                         Private Units or the underlying securities (but will participate in liquidation distributions
                                         with respect to any units or shares of Common Stock purchased by the undersigned in the
                                         IPO or in the open market after the IPO) if the Corporation fails to consummate a Business
                                         Combination; and

 

     

     

    

 

		●	the
                                         Private Units and the underlying securities will include any additional terms or restrictions
                                         as is customary in other similarly structured blank check company offerings or as may
                                         be reasonably required by the underwriters in the IPO in order to consummate the IPO,
                                         each of which will be set forth in the Registration Statement.

 

The
undersigned acknowledges and agrees that it will execute agreements in form and substance typical for transactions of this nature
necessary to effectuate the foregoing agreements and obligations prior to the consummation of the IPO as are reasonably acceptable
to the undersigned, including but not limited to (i) an insider letter, (ii) an escrow agreement and (iii) a registration rights
agreement.

 

The
undersigned further acknowledges and agrees that the Private Units, and the shares of Common Stock, Rights and Warrants underlying
the Private Units, will bear restrictive legends in substantially the following form and appropriate “stop transfer”
instructions:

 

“THE
SECURITIES REPRESENTED HEREBY HAVE NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE “SECURITIES ACT”),
OR ANY STATE SECURITIES LAWS AND NEITHER THE SECURITIES NOR ANY INTEREST THEREIN MAY BE OFFERED, SOLD, TRANSFERRED, PLEDGED OR
OTHERWISE DISPOSED OF EXCEPT PURSUANT TO AN EFFECTIVE REGISTRATION STATEMENT UNDER THE SECURITIES ACT OR SUCH LAWS OR AN EXEMPTION
FROM REGISTRATION UNDER THE SECURITIES ACT AND SUCH LAWS WHICH, IN THE OPINION OF COUNSEL FOR THIS CORPORATION, IS AVAILABLE.”

 

“THE
SECURITIES REPRESENTED BY THIS CERTIFICATE ARE SUBJECT TO LOCKUP PURSUANT TO AN INSIDER LETTER BETWEEN, AMONG OTHERS, BLACK RIDGE
ACQUISITION CORP. AND BLACK RIDGE OIL & GAS, INC. AND MAY ONLY BE OFFERED, SOLD, TRANSFERRED, PLEDGED OR OTHERWISE DISPOSED
DURING THE TERM OF THE LOCKUP PURSUANT TO THE TERMS SET FORTH IN THE INSIDER LETTER.”

 

The
undersigned hereby represents and warrants that, as applicable:

 

		(a)	it has
                                         been advised that the Private Units and the underlying securities have not been registered
                                         under the Securities Act;

 

		(b)	it is
                                         acquiring the Private Units and the underlying securities for its account for investment
                                         purposes only;

 

		(c)	it has
                                         no present intention of selling or otherwise disposing of the Private Units or the underlying
                                         securities;

 

     

     

    

 

		(d)	it is
                                         an “accredited investor” as defined by Rule 501 of Regulation D promulgated
                                         under the Securities Act of 1933, as amended;

 

		(e)	it has
                                         had both the opportunity to ask questions and receive answers from the officers and directors
                                         of the Corporation and all persons acting on its behalf concerning the terms and conditions
                                         of the offer made hereunder;

 

		(f)	it is
                                         familiar with the proposed business, management, financial condition and affairs of the
                                         Corporation;

 

		(g)	it has
                                         full power, authority and legal capacity to execute and deliver this letter and any documents
                                         contemplated herein or needed to consummate the transactions contemplated in this letter;
                                         and

 

		(h)	this
                                         letter constitutes a legal, valid and binding obligation, and is enforceable against
                                         it.

 

The
undersigned understands and acknowledges an exemption from the registration requirements of the Securities Act requires there
be no general solicitation of purchasers of the Private Units. In this regard, if the IPO were deemed to be a general solicitation
with respect to the Private Units, the offer and sale of such Private Units may not be exempt from registration and, if not, the
undersigned may have a right to rescind its purchase of the Units. In order to facilitate the completion of the IPO and in order
to protect the Corporation, its stockholders and the amounts in the Trust Fund from claims that may adversely affect the Corporation
or the interests of its stockholders, the undersigned hereby agrees to waive, to the maximum extent permitted by applicable law,
any claims, right to sue or rights in law or arbitration, as the case may be, to seek rescission of its purchase of the Private
Units. The undersigned acknowledges and agrees this waiver is being made in order to induce the Corporation to sell the Private
Units to the undersigned. The undersigned agrees the foregoing waiver of rescission rights shall apply to any and all known or
unknown actions, causes of action, suits, claims or proceedings (collectively, “Claims”) and related losses, costs,
penalties, fees, liabilities and damages, whether compensatory, consequential or exemplary, and expenses in connection therewith,
including reasonable attorneys’ and expert witness fees and disbursements and all other expenses reasonably incurred in
investigating, preparing or defending against any Claims, whether pending or threatened, in connection with any present or future
actual or asserted right to rescind the purchase of the Private Units hereunder or relating to the purchase of the Private Units
and the transactions contemplated hereby. The undersigned agrees (a) not to seek recourse against the Trust Fund for any reason
whatsoever in connection with its purchase of the Purchase Units or any Claim that may arise now or in the future and (b) that
to the extent any waiver of rights under this paragraph is ineffective as a matter of law, the undersigned has offered such waiver
for the benefit of the Corporation as an equitable right that shall survive any statutory disqualification or bar that applies
to a legal right. The undersigned acknowledges the receipt and sufficiency of consideration received from the Corporation hereunder
in this regard. The undersigned further acknowledges and agrees that the stockholders of the Corporation are and shall be third-party
beneficiaries of this paragraph.

 

     

     

    

 

	 	Very truly yours,
	 	 
	 	BLACK RIDGE OIL & GAS, INC.
	 	 
	 	By	 
	 	Name:
	 	Title:

  

	Accepted and Agreed:	 
	 	 	 
	BLACK RIDGE ACQUISITION CORP.	 
	 	 	 
	By:	 	 
	 	Name:	 
	 	Title:	 
	 	 	 
	GRAUBARD MILLER	 
	(solely with respect to its obligations to hold	 
	and disburse monies for the Private Units)	 
	 	 	 
	By:	 	 
	 	Name:	 
	 	Title:	 

  

     

     

    

 

Exhibit
AExhibit 10.7

 

BLACK
RIDGE ACQUISITION CORP.

c/o
Black Ridge Oil & Gas, Inc.

110
North 5th Street, Suite 410

Minneapolis,
Minnesota 55403

 

_______________,
2017

 

Black
Ridge Oil & Gas, Inc.

110
North 5th Street, Suite 410

Minneapolis,
Minnesota 55403

 

Ladies
and Gentlemen:

 

This
letter will confirm our agreement that, commencing on the effective date (the “Effective Date”) of the
registration statement (the “Registration Statement”) for the initial public offering (the “IPO”)
of the securities of Black Ridge Acquisition Corp. (the “Company”) and continuing until the earlier
of (i) the consummation by the Company of an initial business combination or (ii) the Company’s liquidation (in each case
as described in the Registration Statement) (such earlier date hereinafter referred to as the “Termination Date”),
Black Ridge Oil & Gas, Inc. shall make available to the Company certain office space and administrative and support services
as may be required by the Company from time to time, situated at 110 North 5th Street, Suite 410, Minneapolis, Minnesota
55403 (or any successor location). In exchange therefor, the Company shall pay Black Ridge Oil & Gas, Inc. the sum of $10,000
per month on the Effective Date and continuing monthly thereafter until the Termination Date. Black Ridge Oil & Gas, Inc.
hereby agrees that it does not have any right, title, interest or claim of any kind in or to any monies that may be set aside
in a trust account (the “Trust Account”) that may be established upon the consummation of the IPO as
a result of this letter agreement (the “Claim”) and hereby waives any Claim it may have in the future
as a result of, or arising out of, this letter agreement and will not seek recourse against the Trust Account for any reason whatsoever.

 

	 	Very truly yours,
	 	 	 
	 	BLACK RIDGE ACQUISITION CORP.
	 	 	 
	 	By:	 
	 	 	Name:
	 	 	Title:

 

	AGREED TO AND ACCEPTED BY:	 
	 	 	 
	BLACK RIDGE OIL & GAS, INC.	 
	 	 	 
	By:	 	 
	 	Name:	 
	 	Title:

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