Document:

Exhibit 10.66

 

Great Basin Scientific, Inc.

420 E. South Temple, Suite 520

Salt Lake City, Utah 84111

 

Gentlemen:

 

The undersigned (the “Investor”)
hereby confirms its agreement with Great Basin Scientific, Inc., a Delaware corporation (the “Company”), as
follows:

 

1.    This
Subscription Agreement, including the Terms and Conditions For Purchase of Securities attached hereto as Annex I (collectively,
this “Agreement”) is made as of the date set forth below between the Company and the Investor.

 

2.    The
Company has authorized the sale and issuance to certain investors of up to an aggregate of (1) ______ Class A Units (the “Class
A Units”) consisting of (i) ____ authorized but unissued shares of common stock, par value $0.0001 per
share (the “Common Stock”), of the Company (the “Shares”) and (ii) _____ Series J Warrants
(the “Warrants”) to purchase an aggregate of
up to ______ authorized but unissued shares of Common Stock (the “Warrant
Shares” which term shall include the shares of Common Stock issued and issuable upon exercise of the Pre-Funded Warrants
(as defined below)) and (2) ______ Class B Units (the “Class
B Units”) consisting of (i) ____ Series K Pre-Funded Warrants (the “Pre-Funded Warrants”)
to purchase an aggregate of up to _______ authorized but unissued shares of Common Stock and (ii) ______ Warrants to purchase an
aggregate of up to _______ authorized but unissued shares of Common Stock. Each Class A Unit will consist of one Share and one
Warrant to purchase ____ Warrant Shares and each Class B Unit will consist of one Pre-Funded Warrant to purchase one (1) Warrant
Share and one Warrant to purchase ____ Warrant Shares. The Class A Units and the Class B Units are, collectively, the “Units.”
The Units, the Shares, the Warrants, the Pre-Funded Warrants and the Warrant Shares are collectively referred to as the “Securities.”
The purchase price per Class A Unit shall be $____ (the “Class A Unit Purchase Price”) and the purchase price
per Class B Unit shall be $____. The Units will not be separately issued or certificated and the Securities shall be immediately
separable and transferable upon issuance. The form of the Warrants is attached hereto as Exhibit B and the form of the Pre-Funded
Warrants is attached hereto as Exhibit C.

 

3.    The
offering and sale of the Securities (the “Offering”) are being made pursuant to (1) an effective Registration
Statement on Form S-1, File No. 333-216045 (including any additional registration statement filed with respect thereto pursuant
to Rule 462(b) under the Securities Act (as defined below) the “Registration Statement”) filed by the Company
with the Securities and Exchange Commission (the “Commission”) (including the prospectus contained therein (the
“Prospectus”) and (2) if applicable, certain “free writing prospectuses” (as that term is defined
in Rule 405 under the Securities Act of 1933, as amended (the “Securities Act”)), that have been or will
be filed with the Commission and delivered to the Investor on or prior to the date hereof (the “Issuer Free Writing Prospectus”),
containing certain supplemental information regarding the Securities, the terms of the Offering and the Company.

 

     

     

    

 

4.    The
Company and the Investor agree that the Investor will purchase from the Company and the Company will issue and sell to the Investor
the Securities set forth below for the aggregate Purchase Price set forth below. The Securities shall be purchased pursuant to
the Terms and Conditions for Purchase of Securities attached hereto as Annex I and incorporated herein by this reference
as if fully set forth herein. The Investor acknowledges that the Offering is not being underwritten by the placement agent
(the “Placement Agent”) named in the Prospectus and that there is no minimum offering amount.

 

5.    The
manner of settlement of the Securities purchased by the Investor shall be determined by such Investor as follows (check one):

 

a.           The
Shares shall be settled as follows:

 

		[____]	A.           Delivery by crediting the account
of the Investor’s prime broker (as specified by such Investor on Exhibit A annexed hereto) with the Depository Trust Company
(“DTC”) through its Deposit/Withdrawal At Custodian (“DWAC”) system, whereby Investor’s
prime broker shall initiate a DWAC transaction on the Closing Date using its DTC participant identification number, and released
by the Company’s transfer agent (the “Transfer Agent”), at the Company’s direction. NO LATER
THAN ONE (1) BUSINESS DAY AFTER THE EXECUTION OF THIS AGREEMENT BY THE INVESTOR AND THE COMPANY, THE INVESTOR SHALL:

 

		(I)	DIRECT THE BROKER-DEALER
AT WHICH THE ACCOUNT OR ACCOUNTS TO BE CREDITED WITH THE SHARES ARE MAINTAINED TO SET UP A DWAC INSTRUCTING THE TRANSFER AGENT
TO CREDIT SUCH ACCOUNT OR ACCOUNTS WITH THE SHARES, AND

 

		(II)	REMIT BY WIRE TRANSFER THE
AMOUNT OF FUNDS EQUAL TO THE AGGREGATE PURCHASE PRICE FOR THE SECURITIES BEING PURCHASED BY THE INVESTOR TO THE FOLLOWING ACCOUNT:

 

To be separately provided to the Investor

—OR—

 

		[____]	B.           Delivery versus payment (“DVP”)
through DTC (i.e., on the Closing Date, the Company shall issue such Shares registered in the Investor’s name and address
as set forth below and released by the Transfer Agent directly to the account(s) at Roth Capital Partners, LLC (“Roth”)
identified by the Investor; upon receipt of such Shares, Roth shall promptly electronically deliver such Shares to the Investor,
and simultaneously therewith payment shall be made by Roth by wire transfer to the Company). NO LATER THAN ONE (1) BUSINESS
DAY AFTER THE EXECUTION OF THIS AGREEMENT BY THE INVESTOR AND THE COMPANY, THE INVESTOR SHALL:

 

		(III)	NOTIFY ROTH OF THE ACCOUNT
OR ACCOUNTS AT ROTH TO BE CREDITED WITH THE SHARES BEING PURCHASED BY SUCH INVESTOR, AND

 

     

     

    

 

		(IV)	CONFIRM THAT THE ACCOUNT
OR ACCOUNTS AT ROTH TO BE CREDITED WITH THE SHARES BEING PURCHASED BY THE INVESTOR HAVE A MINIMUM BALANCE EQUAL TO THE AGGREGATE
PURCHASE PRICE FOR THE SECURITIES BEING PURCHASED BY THE INVESTOR.

 

IT IS THE INVESTOR’S RESPONSIBILITY
TO (A) MAKE THE NECESSARY WIRE TRANSFER OR CONFIRM THE PROPER ACCOUNT BALANCE IN A TIMELY MANNER AND (B) ARRANGE FOR SETTLEMENT
BY WAY OF DWAC OR DVP IN A TIMELY MANNER. IF THE INVESTOR DOES NOT DELIVER THE AGGREGATE PURCHASE PRICE FOR THE SECURITIES OR DOES
NOT MAKE PROPER ARRANGEMENTS FOR SETTLEMENT IN A TIMELY MANNER, THE SECURITIES MAY NOT BE DELIVERED AT CLOSING TO THE INVESTOR
OR THE INVESTOR MAY BE EXCLUDED FROM THE CLOSING ALTOGETHER.

 

6.    The
executed Pre-Funded Warrants and Warrants shall be delivered to the Investor by mail, registered in such names and sent to such
address as specified by the Investor below.

 

7.    The
Investor represents that, except as set forth below, (a) it has had no position, office or other material relationship within the
past three years with the Company or persons known to it to be affiliates of the Company and (b) it is not a member of the
Financial Industry Regulatory Authority, Inc. (“FINRA”) or an Associated Person (as such term is defined under
the FINRA’s NASD Membership and Registration Rules Section 1011) as of the Closing. Exceptions: 

 

 

 

(If no exceptions,
write “none.” If left blank, response will be deemed to be “none.”)

 

8.    The
Investor represents that it has received (or otherwise had made available to it by the filing by the Company of an electronic version
thereof with the Commission) the Prospectus, dated _____, 2017, which is a part of the Company’s Registration Statement,
the documents incorporated by reference therein and any free writing prospectus (collectively, the “Disclosure Package”),
prior to or in connection with the receipt of this Agreement. The Investor acknowledges that, prior to the delivery of this
Agreement to the Company, the Investor will receive certain additional information regarding the Offering, including pricing information
(the “Offering Information”). Such information may be provided to the Investor by any means permitted
under the Securities Act, including a free writing prospectus and oral communications.

 

9.    No
offer by the Investor to buy Securities will be accepted and no part of the Purchase Price will be delivered to the Company until
the Investor has received the Offering Information and the Company has accepted such offer by countersigning a copy of this Agreement,
and any such offer may be withdrawn or revoked, without obligation or commitment of any kind, at any time prior to the Company
(or Roth on behalf of the Company) sending (orally, in writing or by electronic mail) notice of its acceptance of such offer. An
indication of interest will involve no obligation or commitment of any kind until the Investor has been delivered the Offering Information
and this Agreement is accepted and countersigned by or on behalf of the Company.

 

     

     

    

 

10.  The
Company acknowledges that the only material, non-public information relating to the Company or its subsidiaries that the Company,
its employees or agents has provided to the Investor in connection with the Offering prior to the date hereof are the material
pricing terms of the Offering.

 

     

     

    

 

Number of Class A Units:
                                                

 

Number of Class B Units:                                                 

 

Purchase Price per Class A Unit: $                                                

 

Purchase Price per Class B Unit: $                                                

 

Aggregate Purchase Price: $                                                  

 

Please confirm that the foregoing correctly
sets forth the agreement between us by signing in the space provided below for that purpose.

 

	 	Dated as of:  ___________, 2017
	 	 
	 	 
	 	INVESTOR
	 	 	 
	 	By:	 
	 	Print Name:	 
	 	Title:	 
	 	Address:	 
	 	 	 

 

	Agreed and Accepted	 
	this ___ day of _________, 2017:	 
	 	 
	GREAT BASIN SCIENTIFIC, INC.	 
	 	 	 
	By:	 	 
	 	Title:	 	 
	 	 	 	 

 

     

     

    

 

annex
I

 

TERMS AND CONDITIONS
FOR PURCHASE OF SECURITIES

 

1.                    Authorization
and Sale of the Securities. Subject to the terms and conditions of this Agreement, the Company has authorized the sale of the
Securities.

 

2.                    Agreement
to Sell and Purchase the Securities; Placement Agent.

 

2.1      At
the Closing (as defined in Section 3.1), the Company will sell to the Investor, and the Investor will purchase from the
Company, upon the terms and conditions set forth herein, the number of Securities set forth on the last page of the Agreement
to which these Terms and Conditions for Purchase of Securities are attached as Annex I (the “Signature Page”)
for the aggregate purchase price therefor set forth on the Signature Page.

 

2.2      The
Company proposes to enter into substantially this same form of Subscription Agreement with certain other investors (the “Other
Investors”) and expects to complete sales of Securities to them. The Investor and the Other Investors are hereinafter
sometimes collectively referred to as the “Investors,” and this Agreement and the Subscription Agreements executed
by the Other Investors are hereinafter sometimes collectively referred to as the “Agreements.”

 

2.3      Investor
acknowledges that the Company has agreed to pay Roth Capital Partners, LLC (the “Placement Agent” or “Roth”)
a fee (the “Placement Fee”) and to reimburse the Placement Agent for certain expenses in respect of the
sale of the Securities to the Investor.

 

2.4      The
Company has entered into a Placement Agent Agreement, dated the date hereof, (the “Placement Agreement”),
with the Placement Agent that contains representations, warranties, covenants and agreements of the Company that may be relied
upon by the Investor, which shall be a third party beneficiary thereof. The Company confirms that neither it nor any other
person acting on its behalf has provided the Investor or their agents or counsel with any information that constitutes or could
reasonably be expected to constitute material, nonpublic information, except as will be disclosed in the Prospectus and/or in the
Company’s Form 8-K to be filed with the Commission in connection with the Offering. The Company understands and confirms
that the Investor will rely on the foregoing representations in effecting transactions in securities of the Company.

 

3.                    Closings
and Delivery of the Securities and Funds.

 

3.1      Closing.
The completion of the purchase and sale of the Securities (the “Closing”)
shall occur at a place and time (the “Closing Date”) to be specified by the Company and the Placement Agent,
and of which the Investors will be notified in advance by the Placement Agent, in accordance with Rule 15c6-l promulgated
under the Securities Exchange Act of 1934, as amended (the “Exchange Act”). At the Closing, (a) if applicable,
the Company shall cause the Company’s transfer agent (“Transfer Agent”), to deliver to the Investor the
number of Shares included in the Class A Units set forth on the Signature Page registered in the name of the Investor or,
if so indicated on the Investor Questionnaire attached hereto as Exhibit A, in the name of a nominee designated by the Investor,
(b) the Company shall cause to be delivered to the Investor, a Pre-Funded Warrant for the number of Warrant Shares included in
the Class B Units set forth on the Signature Page, (c) the Company shall cause to be delivered to the Investor, a Warrant for the
number of Warrant Shares included in the Units set forth on the Signature Page, and (d) the aggregate purchase price for the Securities
being purchased by the Investor will be delivered by or on behalf of the Investor to the Company.

 

     

     

    

 

3.2          Conditions
to the Obligations of the Parties. 

 

3.3   (a)          Conditions
to the Company’s Obligations. The Company’s obligation to issue and sell the Securities to the Investor shall
be subject to: (i) the receipt by the Company of the purchase price for the Securities being purchased hereunder as set forth
on the Signature Page and (ii) the accuracy of the representations and warranties made by the Investor and the fulfillment
of those undertakings of the Investor to be fulfilled prior to the Closing Date.

 

3.4   (b)          Conditions
to the Investor’s Obligations. The Investor’s obligation to purchase the Securities will be subject to
the accuracy of the representations and warranties made by the Company and the fulfillment of those undertakings of the Company
to be fulfilled prior to the Closing Date, including without limitation, those contained in the Placement Agreement and to the
condition that the Placement Agent shall not have: (a) terminated the Placement Agreement pursuant to the terms thereof or (b)
determined that the conditions to the closing in the Placement Agreement have not been satisfied. The Investor’s obligations
are expressly not conditioned on the purchase by any or all of the Other Investors of the Securities that they have agreed to purchase
from the Company. The Investor understands and agrees that, in the event that the Placement Agent in its sole discretion determines
that the conditions to closing in the Placement Agreement have not been satisfied or if the Placement Agreement may be terminated
for any other reason permitted by such Placement Agreement, then the Placement Agent may, but shall not be obligated to, terminate
such Agreement, which shall have the effect of terminating this Subscription Agreement pursuant to Section 14 below.

 

4.                    Representations,
Warranties and Covenants of the Investor.

 

The Investor acknowledges,
represents and warrants to, and agrees with, the Company and the Placement Agent that:

 

4.1           The
Investor (a) is an entity that qualifies for an exemption from the requirements of the Company to qualify or register the offer
and sale of the Securities to the Investor under any applicable state “blue-sky” or securities laws in the jurisdiction
in which the Investor is deemed to reside, (b) is knowledgeable, sophisticated and experienced in making, and is qualified to make
decisions with respect to, investments in securities presenting an investment decision like that involved in the purchase
of the Securities, including investments in securities issued by the Company and investments in comparable companies, (c) has answered
all questions on the Signature Page and the Investor Questionnaire and the answers thereto are true and correct as of the
date hereof and will be true and correct as of the Closing Date and (d) in connection with its decision to purchase the Securities
set forth on the Signature Page, has received and is relying only upon the Disclosure Package and the documents incorporated by
reference therein and the Offering Information.

 

     

     

    

 

4.2           (a)
No action has been or will be taken in any jurisdiction outside the United States by the Company or the Placement Agent that
would permit an offering of the Securities, or possession or distribution of offering materials in connection with the issue
of the Securities in any jurisdiction outside the United States where action for that purpose is required, (b) if the Investor
is outside the United States, it will comply with all applicable laws and regulations in each foreign jurisdiction in which
it purchases, offers, sells or delivers Securities or has in its possession or distributes any offering material, in all
cases at its own expense and (c) the Placement Agent is not authorized to make and has not made any representation, disclosure
or use of any information in connection with the issue, placement, purchase and sale of the Securities, except as set forth or
incorporated by reference in the Registration Statement, Prospectus or any free writing prospectus.

 

4.3           (a)
The Investor has full right, power, authority and capacity to enter into this Agreement and to consummate the transactions contemplated
hereby and has taken all necessary action to authorize the execution, delivery and performance of this Agreement, and (b)
this Agreement constitutes a valid and binding obligation of the Investor enforceable against the Investor in accordance with
its terms, except as enforceability may be limited by applicable bankruptcy, insolvency, reorganization, moratorium or similar laws
affecting creditors’ and contracting parties’ rights generally and except as enforceability may be subject to general
principles of equity (regardless of whether such enforceability is considered in a proceeding in equity or at law) and except
as to the enforceability of any rights to indemnification or contribution that may be violative of the public policy underlying
any law, rule or regulation (including any federal or state securities law, rule or regulation).

 

4.4           The
Investor understands that nothing in this Agreement, the Prospectus, the Disclosure Package, the Offering Information or any other
materials presented to the Investor in connection with the purchase and sale of the Units constitutes legal, tax or investment
advice. The Investor has consulted such legal, tax and investment advisors and made such investigation as it, in its sole discretion,
has deemed necessary or appropriate in connection with its purchase of Units. The Investor also understands that there is no established
public trading market for the Pre-Funded Warrants or the Warrants, and that the Company does not expect such a market to develop.
In addition, the Company does not intend to apply for listing of the Pre-Funded Warrants or the Warrants on any securities exchange.
The Investor understands that without an active trading market, the liquidity of the Pre-Funded Warrants or the Warrants will be
limited. 

 

4.5           The
Investor will maintain the confidentiality of all information acquired as a result of the transactions contemplated hereby prior
to the public disclosure of that information by the Company in accordance with Section 13 of this Annex.

 

4.6           Since
the time at which the Placement Agent first provided the material pricing terms of the Offering, the Investor has not disclosed
any material pricing information regarding the Offering to any third parties (other than its legal, accounting and other advisors)
and has not engaged in any purchases or sales of the securities of the Company (including, without limitation, any Short Sales
(as defined herein) involving the Company’s securities). The Investor covenants that it will not engage in any purchases
or sales of the securities of the Company (including Short Sales) from the time the Investor received material pricing information
regarding the offering until the time that the transactions contemplated by this Agreement are publicly disclosed. The Investor
agrees that it will not use any of the Securities acquired pursuant to this Agreement to cover any short position in the Common
Stock if doing so would be in violation of applicable securities laws. For purposes hereof, “Short Sales” include,
without limitation, all “short sales” as defined in Rule 200 promulgated under Regulation SHO under the Exchange
Act, whether or not against the box, and all types of direct and indirect stock pledges, forward sales contracts, options,
puts, calls, short sales, swaps, “put equivalent positions” (as defined in Rule 16a-1(h) under the Exchange Act)
and similar arrangements (including on a total return basis), and sales and other transactions through non-U.S. broker dealers or
foreign regulated brokers.

 

     

     

    

 

4.7           The
Investor has been afforded, (i) the opportunity to ask such questions as it has deemed necessary of, and to receive answers from,
representatives of the Company concerning the terms and conditions of the Offering and the merits and risks of investing in the
Securities; (ii) access to information about the Company and its financial condition, results of operations, business, properties,
management and prospects sufficient to enable it to evaluate its investment; and (iii) the opportunity to obtain such additional
information that the Company possesses or can acquire without unreasonable effort or expense that is necessary to make an informed
investment decision with respect to the investment.  The Investor acknowledges and agrees that neither Roth nor any affiliate
of Roth has provided such Investor with any information or advice with respect to the Securities nor is such information or advice
necessary or desired.  Neither Roth nor any of its affiliates has made or makes any representation as to the Company or the
quality of the Securities and Roth and any of its affiliate may have acquired non-public information with respect to the Company
which such Investor agrees need not be provided to it.  In connection with the issuance of the Securities to such Investor,
neither Roth nor any of its affiliates has acted as a financial advisor or fiduciary to such Investor.

 

5.    Survival
of Representations, Warranties and Agreements; Third Party Beneficiary. Notwithstanding any investigation made by any
party to this Agreement or by the Placement Agent, all covenants, agreements, representations and warranties made by the Company
and the Investor herein will survive the execution of this Agreement, the delivery to the Investor of the Securities being purchased
and the payment therefor until the expiration of the applicable statute of limitations. The Placement Agent shall be a third party
beneficiary with respect to the representations, warranties and agreements of the Investor in Section 4 hereof.

 

6.    Notices.
All notices, requests, consents and other communications hereunder will be in writing, will be delivered (a) if within the
domestic United States by first-class registered or certified airmail, or nationally recognized overnight express courier, postage
prepaid, or by facsimile or (b) if delivered from outside the United States, by International Federal Express or facsimile, and
will be deemed given (i) if delivered by first-class registered or certified mail domestic, three business days after so mailed,
(ii) if delivered by nationally recognized overnight carrier, one business day after so mailed, (iii) if delivered by International
Federal Express, two business days after so mailed, and (iv) if delivered by email attachment or facsimile number, upon the
date of transmission, and will be delivered and addressed as follows:

 

     

     

    

 

(a) if
to the Company, to:

Great Basin Scientific, Inc.

420 E. South Temple, Suite 520

Salt Lake City, Utah 84111

Attention: Chief Financial Officer

Facsimile: (801) 990-1051

E-mail: jrona@gbscience.com

 

with a copy (which shall not constitute
notice) to:

 

Mitchell Silberberg & Knupp LLP

11377 W. Olympic Blvd.

Los Angeles, California 90064

Attention: Kevin Friedmann

Fax: (310) 312-3100

E-mail: kxf@msk.com

 

(b)          if
to the Investor, at its address on the Signature Page hereto, or at such other address or addresses as may have been furnished
to the Company in writing.

 

7.                    Changes.
This Agreement may not be modified or amended except pursuant to an instrument in writing signed by the Company and Investors
holding at such time at least 67% in interest of the Securities held by Investors who purchased the Securities in the Offering,
and such modification or amendment shall be binding on all holders of the Securities. For purposes of calculating such 67% interest
in the Securities, the denominator of such calculation shall be the sum of the number of shares of Common Stock and shares underlying
the Warrants and Pre-Funded Warrants held by all Investors in the Offering at such time and the numerator shall be shall be the
sum of the number of shares of Common Stock and shares underlying the Warrants and Pre-Funded Warrants held by the Investors agreeing
to the modification or amendment.

 

8.                    Headings.
The headings of the various sections of this Agreement have been inserted for convenience of reference only and will not
be deemed to be part of this Agreement.

 

9.                    Severability.
In case any provision contained in this Agreement should be invalid, illegal or unenforceable in any respect, the validity,
legality and enforceability of the remaining provisions contained herein will not in any way be affected or impaired thereby.

 

10.                  Governing
Law. This Agreement will be governed by, and construed in accordance with, the internal laws of the State of New
York, without giving effect to the principles of conflicts of law that would require the application of the laws of any other
jurisdiction.

 

11.                  Counterparts.
This Agreement may be executed in two or more counterparts, each of which will constitute an original, but all of which, when
taken together, will constitute but one instrument, and will become effective when one or more counterparts have been signed by
each party hereto and delivered to the other parties. The Company and the Investor acknowledge and agree that the Company shall
deliver its counterpart to the Investor along with the Prospectus (or the filing by the Company of an electronic version thereof
with the Commission).

 

     

     

    

 

12.                  Confirmation
of Sale. The Investor acknowledges and agrees that such Investor’s receipt of the Company’s signed counterpart
to this Agreement, together with the Prospectus (or the filing by the Company of an electronic version thereof with the Commission),
shall constitute written confirmation of the Company’s sale of the Securities to such Investor.

 

13.                  Press
Release; Disclosure. The Company and the Investor agree that the Company shall (a) prior to the opening of the financial markets
in New York City on ______, 2017 issue a press release announcing the Offering and disclosing all material information, including,
without limitation, the material terms, regarding the Offering, not previously disclosed, permitted under existing SEC rules applicable
to press releases, and (b) as promptly as practicable on ________, 2017 file a current report on Form 8-K with the Securities and
Exchange Commission. From and after the issuance of such press release, the Company represents to the Investor that it shall have
publicly disclosed all material, non-public information delivered to the Investor by the Company or any of its subsidiaries, or
any of their respective officers, directors, employees or agents in connection with the transactions contemplated by this Agreement.
In addition, effective upon the issuance of such press release, the Company acknowledges and agrees that any and all confidentiality
or similar obligations under any agreement, whether written or oral, between the Company, any of its subsidiaries or any of their
respective officers, directors, agents, employees or affiliates on the one hand, and the Investor or any of their affiliates on
the other hand, shall terminate. Except with respect to the material terms and conditions of the transactions contemplated by this
Agreement, which shall be disclosed pursuant to the press release required above, the Company covenants and agrees that neither
it, nor any other person acting on its behalf will provide Investor or its agents or counsel with any information that constitutes,
or the Company reasonably believes constitutes, material non-public information, unless prior thereto the Investor shall have consented
to the receipt of such information and agreed with the Company to keep such information confidential. To the extent that the Company
delivers any material, non-public information to an Investor without the Investor’s consent, the Company hereby covenants
and agrees that the Investor shall not have any duty of confidentiality to the Company, any of its subsidiaries, or any of their
respective officers, directors, agents, employees or affiliates, or a duty to the Company, any of its subsidiaries or any of their
respective officers, directors, agents, employees or Affiliates not to trade on the basis of, such material, non-public information,
provided that the Investor shall remain subject to applicable law. To the extent that any notice provided pursuant to this Agreement,
the Pre-Funded Warrant or the Warrant constitutes, or contains, material, non-public information regarding the Company or any subsidiaries,
the Company shall simultaneously file such notice with the SEC pursuant to a Current Report on Form 8-K. The Company understands
and confirms that the Investor shall be relying on the provisions of this Section 13 in effecting transactions in securities of
the Company.

 

14.                  Termination.
In the event that the Placement Agreement is terminated by the Placement Agent pursuant to the terms thereof, this Agreement
shall terminate without any further action on the part of the parties hereto.

 

15.                  Representations
and Warranties of the Company. The Company acknowledges and agrees that the Investor is the third party beneficiary of the
representations and warranties of the Company in Section 3 of the Placement Agreement.

 

     

     

    

 

16.                  Equal
Treatment of Purchasers. No consideration (including any modification of any subscription agreement executed pursuant to the
Offering or any Pre-Funded Warrants or Warrants issued pursuant to the Offering (each a “Transaction Document”))
shall be offered or paid to any person to amend or consent to a waiver or modification of any provision of any Transaction Document
unless the same consideration is also offered to the each investor party to the Offering pursuant to this Agreement or other Subscription
Agreements, including the Investor. For clarification purposes, this provision constitutes a separate right granted to the Investor
by the Company and negotiated separately by the Investor, and is intended for the Company to treat the investors party to the Offering
as a class and shall not in any way be construed as any of the investors party to the Offering acting in concert or as a group
with respect to the purchase, disposition or voting of Securities or otherwise.

 

17.                  Lock-Up.
The Company shall not, for a period of thirty (30) days from the date hereof (the “Lock-Up Period”), without
the prior written consent of the Required Investors, directly or indirectly offer, sell, assign, transfer, pledge, contract to
sell, or otherwise dispose of, any shares of Common Stock or any securities convertible into or exercisable or exchangeable for
Common Stock, other than an Exempt Issuance (as defined in the Placement Agreement); provided, however, that the
foregoing prohibition on issuances of Common Stock or any securities convertible into or exercisable or exchangeable for Common
Stock shall not apply to any issuance at an effective per share price that exceeds the Class A Unit Purchase Price (subject to
adjustment for reverse and forward stock splits and similar transactions). The Company also agrees that during the Lock-Up Period,
the Company will not file any registration statement, preliminary prospectus or prospectus, or any amendment or supplement thereto,
under the Securities Act for any such transaction or which registers, or offers for sale, Common Stock or any securities
convertible into or exercisable or exchangeable for Common Stock, except for a registration statement on Form S-8 relating
to Incentive Plans (as defined in the Placement Agreement). The provisions of this Section 17 may be amended or waived only in
a writing signed by investors which purchased 67% of the sum of the shares of Common Stock and the Pre-Funded Warrants purchased
in the Offering pursuant to this Agreement and other Subscription Agreements (the “Required Investors”).

 

******************

 

     

     

    

 

EXHIBIT A

 

GREAT BASIN SCIENTIFIC,
INC.

 

INVESTOR QUESTIONNAIRE

 

Pursuant to Section 3 of Annex I to the Agreement,
please provide us with the following information:

 

	1.	The exact name that your Securities are to be registered in.  You may use a nominee name if appropriate:	 	 
	 	 	 	 
	2.	The relationship between the Investor and the registered holder listed in response to item 1 above:	 	 
	 	 	 	 
	3.	The mailing address of the registered holder listed in response to item 1 above:	 	 
	 	 	 	 
	4.	The Social Security Number or Tax Identification Number of the registered holder listed in the response to item 1 above:	 	 
	 	 	 	 
	5.	Name of DTC Participant (broker-dealer at which the account or accounts to be credited with the Shares are maintained):	 	 
	 	 	 	 
	6.	DTC Participant Number:	 	 
	 	 	 	 
	7.	Name of Account at DTC Participant being credited with the Shares:	 	 
	 	 	 	 
	8.	Account Number at DTC Participant being credited with the Shares:	 	 

 

     

     

    

 

EXHIBIT B

FORM OF SERIES J WARRANT

 

     

     

    

 

EXHIBIT C

FORM OF SERIES K PRE-FUNDED WARRANTJOINT
VENTURE AGREEMENT

 

This
JOINT VENTURE AGREEMENT is made on May 11th, 2017 between Kibush Capital Corporation, a Nevada corporation (hereinafter, “Kibush”)
and Purari Development Trust, a Trust representing certain landowners in Papua New Guinea (hereinafter, “Purari”),
each individually a “Party” or collectively, the “Parties”.

 

RECITALS

 

A.       Perari
is a trust of landowners in Papua New Guinea (“PNG”) who own parcels of land (the “Land”) which are the
target of oil and gas exploration;

 

B.       Kibush
is a public company which has experience in contracting and securing governmental approvals in PNG; and

 

C.
       Kibush and Purari desire to enter into a business relationship as set forth below.

 

It
is therefore agreed as follows:

 

1.
Purpose. The Parties form this joint venture for the purpose of negotiating oil and gas contracts for the landowners within
the Purari Trust and securing government approval of the same (the “Business Interest”).

 

2.
No Formal Joint Venture or Partnership; No Ownership. This Agreement does not provide for the Parties co-ownership of a
separate joint venture vehicle, nor does it constitute a general partnership; rather this Agreement simply sets forth the conditions
upon which the Parties will work together in their separate legal capacities toward a common interest. Furthermore, this Agreement
does not provide Kibush with any ownership interest in Perari, nor does it provide Perari with any ownership interest in Kibush.

 

3.
Commercial Interests. Kibush will represent Perari’s commercial interests in the negotiation of any commercialization
of the Land, including oil and gas exploration and production.

 

4.
Governmental Approvals. Kibush, and its subsidiary Aqua Mining, will use best efforts to secure PNG governmental approvals
for the projects it negotiates on behalf of Perari.

 

5.
Fee. Kibush is entitled to a fee for any commercial agreement entered into during the term of this Agreement. The fee will
be negotiated on a contract by contract basis. It is agreed that the fee to Kibush will be 30% of the total revenue generated
from any commercialization of the Land during the Term.

 

6.
Payment. Since Perari will likely be the contracting party and receive the payments on any commercialization of the Land,
Perari agrees to pay Kibush its percentage of the project amount (its fee) within 30 days after Perari’s receipt of such
payments.

 

    	-1-

    	 

    

 

7.
Term of Agreement. This Agreement shall be effective upon the effective date first written above and shall remain in force
for a period of three (3) years, unless otherwise terminated as provided herein.

 

8.
Termination. A Party may immediately terminate this Agreement, in the event that a breach of this Agreement remains uncured
for 90 days after receipt of written notice of such breach. Upon termination, Kibush will continue to be entitled to its fee on
the revenue generated from any agreement for commercialization of the Land entered into during the Term of this Agreement, even
if such revenue is received after the date of termination of this Agreement.

 

9.
Expenses. Each Party’s costs and
expenses incurred in the participation in this Agreement, shall be the sole cost and expense of the Party for which the cost or
expense was incurred.

 

10.
Assignment. No Party may assign or transfer their respective rights or obligations under this Agreement without prior written
consent from the other Party.

 

11.
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.

 

12.
Entire Agreement. All understandings and agreements heretofore had between the Parties are merged in this Agreement, which
alone expresses the Agreement of the Parties, there being no representation, warranty, covenant or other agreement not herein
expressly set forth.

 

13.
Applicable Law. This Agreement shall be governed by and construed and enforced under and in accordance with the laws of
the State of Nevada and all subject matter and in persona jurisdiction shall be the state courts of Nevada.

 

IN
WITNESS WHEREOF, the Parties have executed this Agreement on the 11th day of May, 2017.

 

	Kibush Capital Corporation	 	Perari Development Trust
	 	 	 
	 	 	 
	Warren Sheppard, its President	 	Jacob Kairi, its Chairman

 

    	-2-

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