Document:

Supply Agreement effective as of May 1, 2012

 Exhibit 10.8 
 SPECIFIC TERMS IN THIS EXHIBIT HAVE BEEN REDACTED BECAUSE CONFIDENTIAL TREATMENT OF THOSE TERMS HAS BEEN REQUESTED. THE REDACTED MATERIAL HAS BEEN SEPARATELY SUBMITTED TO THE SECURITIES AND EXCHANGE
COMMISSION, AND THE TERMS HAVE BEEN MARKED AT THE APPROPRIATE PLACE WITH THREE ASTERISKS (***). 
 SUPPLY AGREEMENT

 This SUPPLY AGREEMENT (this “Agreement”) is effective as of May 1, 2012, between Baker Hughes Oilfield
Operations, Inc. a California corporation with its principal place of business at 2929 Allen Parkway, Houston, Texas 77019, and its Affiliates (as defined below) (“Baker”), and Hi-Crush Operating LLC, a Delaware limited liability company
with its principal place of business at Three Riverway, Suite 1550, Houston, Texas 77056 (“Supplier”). 

RECITALS: 
 1.
Baker and its Affiliates carry on the business of the design, manufacture and supply of goods and services in the Oilfield Business as defined below; 
 2. Supplier is able to supply certain goods for Baker; 
 3. Baker requires high quality sand for
use as a proppant in providing certain of its hydraulic fracturing and oilfield services; 
 4. Supplier desires to sell such sand and is able
to provide the proppant to Baker; 
 5. Baker desires to purchase Northern White grade *** frac sand from Supplier under the terms and
conditions set forth in this Agreement; and 
 6. Supplier is willing to undertake the supply of the products for Baker and its Affiliates under
the terms of this Agreement. 
 AGREEMENT 
 In consideration of the premises and the respective covenants and agreements contained herein, the receipt and sufficiency of which is hereby acknowledged, the Parties hereto agree as follows: 

1. Definitions 
  

	1.1	In addition to terms defined elsewhere in this Agreement, the following terms shall have the following meanings unless the context otherwise requires:

  

	(a)	Affiliate or affiliate in relation to either Party means any corporation, limited liability company, partnership, proprietorship, joint venture or other
entity directly or indirectly controlled by, controlling, or under common control with that Party. With respect to Supplier, Affiliate shall mean and include Hi-Crush Proppants LLC and its subsidiary entities. Supplier represents that Hi-Crush
Proppants LLC is its sole and direct member, and that all Supplier-related entities at and below Hi-Crush Proppants LLC capture all Supplier-related entities. With respect to Baker entities, it shall include any U.S. and international entities.

  

  
 pg. 1

 SPECIFIC TERMS IN THIS EXHIBIT HAVE BEEN REDACTED BECAUSE CONFIDENTIAL TREATMENT OF THOSE TERMS HAS BEEN
REQUESTED. THE REDACTED MATERIAL HAS BEEN SEPARATELY SUBMITTED TO THE SECURITIES AND EXCHANGE COMMISSION, AND THE TERMS HAVE BEEN MARKED AT THE APPROPRIATE PLACE WITH THREE ASTERISKS (***). 

 
  

	(b)	Business Day means any day other than a Saturday, Sunday, or other day on which commercial banks in Houston, Texas are authorized or required by law to close.

  

	(c)	Contract Year means the period starting on the Effective Date and ending April 30, 2013 and each successive period of twelve (12) calendar months occurring
immediately thereafter. 

  

	(d)	Effective Date means the date written at the beginning of this Agreement. 

 

	(e)	Force Majeure means in relation to either Party, any circumstances beyond the reasonable control of that Party, including war (whether declared or undeclared),
acts of God, including fire, flood, storms and earthquakes, embargoes, riot, civil disturbance, insurrection, sabotage, and events or occurrences adversely impacting Supplier’s facility, but excluding (i) economic downturns,
(ii) recessions, (iii) depressions, and (iv) strikes, lock-outs or other similar acts of the Party’s employees. 

  

	(f)	Oilfield Business as used herein means the fields of exploration, recovery and production of minerals, gases, solid materials, fluids, water, oil, gas, and
geothermal and such exploration, recovery and production includes, without limitation, exploration, drilling, production, reinjection, characterization, seismic modeling and data, extraction, treatment, storage, and transportation of each of such
minerals, gases, solid materials, fluids, water, oil, gas and geothermal and any and all associated equipment, products and services, well site treatment, pipelines, offshore platforms, and fluid waste disposal. For purposes of clarification, the
refining of oil and gas, and the storage and transportation of refined oil and gas, shall be excluded from the foregoing definition. 

  

	(g)	Person or person means any entity, including any partnership, corporation, limited liability company or governmental entity, and any natural person.

  

	(h)	Product(s) means generally, whether singular or plural, Northern White grade *** frac sand that meets the Specifications. 

 

	(i)	Quality Standard means a manufacturing standard that conforms to ISO 13503-2, Proppant Specifications, and will be accompanied by appropriate supporting
documentation, as outlined in Exhibit A, attached hereto and incorporated herein for all purposes. 

  

	(j)	Specifications means the specifications for the Products as set forth in Exhibit A to this Agreement Purchase Order. 

 

	(k)	Supplier or Baker means, for the purposes of Article 9 as follows: “Supplier” shall include Supplier and Supplier’s parent, subsidiary or
affiliated entities, and their respective officers, directors, employees, or any or all of such parties. “Baker” shall include Baker, its parent, subsidiary or affiliated entities, and their respective officers, directors, employees, or
any or all of such parties. 

  

	(l)	Term means the period commencing on the Effective Date of this Agreement and ending when this Agreement is terminated or expires in accordance with the
provisions of Article 8. 

  

	(m)	 Purchase Order means the documents by which Baker orders Product from Supplier. For clarification, the Parties are free to issue/accept Purchase
Orders in various formats, including purchase orders, emails and other communications between the Parties, which 

  
 pg. 2

 SPECIFIC TERMS IN THIS EXHIBIT HAVE BEEN REDACTED BECAUSE CONFIDENTIAL TREATMENT OF THOSE TERMS HAS BEEN
REQUESTED. THE REDACTED MATERIAL HAS BEEN SEPARATELY SUBMITTED TO THE SECURITIES AND EXCHANGE COMMISSION, AND THE TERMS HAVE BEEN MARKED AT THE APPROPRIATE PLACE WITH THREE ASTERISKS (***). 

 

	 	
shall be hereafter referred to as Purchase Order regardless of format. Each Purchase Order shall be subject to the Parties’ agreement as specified in the Purchase Order and all terms and
provisions of this Agreement. No terms of a Purchase Order, Internet site, order confirmation or other writing shall have the effect of modifying this Agreement unless reduced to writing and signed by both parties. 

 

	(n)	Year means a twelve-month period. 

  

	1.1	General Terms. As used in this Agreement, unless expressly stated otherwise, references to (a) “including” mean “including, without
limitation”; (b) “or” mean “either or both”; (c) a “party” or “Party” means Baker or Supplier, as the context may require, and “parties” or “Parties” means Baker and Supplier
and (d) “day” or “days” means calendar days unless specified as a “Business Day.” Unless otherwise specified, all references in this Agreement to Articles or Sections are deemed references to the corresponding
Articles or Sections in this Agreement. 

 2. Production and Supply of the Products 

 

	2.1	Commencement of Production/Minimum Supply. 

  

	(a)	Beginning on May 1, 2012, Supplier is obligated to sell and Baker is obligated to buy, 500,000 tons of Product per Contract Year consisting of *** tons of *** and
*** tons of *** (the “Minimum Supply”). 

  

	(b)	Supplier shall be under no obligation to supply or sell Product in excess of the Minimum Supply. In the event that Supplier fails to supply to Baker the Minimum Supply
during any Contract Year (a “Supply Shortfall”), Supplier shall have *** after the end of such Contract Year to, as the sole and exclusive remedy for such Supply Shortfall, either (i) tender the Supply Shortfall, including by
supplying Product from one or more third parties in accordance with Section 2.11, or (ii) pay to Baker within *** of the end of the Contract Year, as liquidated damages and not as a penalty, an amount equal to the amount of the
Supply Shortfall (expressed in tons) multiplied by $***. It will be Supplier’s sole discretion as to which option is utilized. 

  

	(c)	The “Monthly Maximum Supply Availability” during the Term is set forth in the table below. Supplier will not be obligated to fulfill orders that exceed the
Monthly Maximum Supply Availability for a specific calendar month. Additionally, no more than *** of the Monthly Maximum Supply Availability in any given calendar month shall be ***. 

 

					
	  Month  	  	Maximum Supply	 
	 May ’12 to April ‘17
	  	 	46,000 tons/month	  

  

	2.2	Supply Requirements; Price, Volume Discounts and Additional Volume. 

 

	(a)	During the Term of this Agreement, pricing will be fixed at $***/short ton for contracted volumes as well as any additional material that becomes available for purchase
by Baker. 

  
 pg. 3

 SPECIFIC TERMS IN THIS EXHIBIT HAVE BEEN REDACTED BECAUSE CONFIDENTIAL TREATMENT OF THOSE TERMS HAS BEEN
REQUESTED. THE REDACTED MATERIAL HAS BEEN SEPARATELY SUBMITTED TO THE SECURITIES AND EXCHANGE COMMISSION, AND THE TERMS HAVE BEEN MARKED AT THE APPROPRIATE PLACE WITH THREE ASTERISKS (***). 

 
  

	(b)	Subject to the availability of excess Product as determined by Supplier, Supplier may make available to Baker any additional volume, “Additional Volume” over
the Monthly Maximum Supply Availability, on a right of first refusal basis. Supplier will provide its estimate of Additional Volume for delivery up to two months in advance of the actual availability and will use its best efforts to work with Baker
regarding scheduling and delivery of such Additional Volumes. 

  

	2.3	Baker Minimum Purchase Requirement. During the Term, Baker shall be required to take and, in accordance with Section 3.1, pay for a minimum
aggregate 500,000 tons of Product per Contract Year (the “Minimum Purchase Requirement”); provided, however, that if, due solely to Force Majeure or the unavailability of rail cars in the market, Baker is unable to take delivery of
Products as contemplated hereunder for a period of time during a Contract Year, Baker shall not be deemed to be in breach of this Agreement as a result of such failure so long as Baker is using commercially reasonable efforts to obtain rail cars and
minimize the period of time during which Baker is unable to take delivery of Products; provided, further, however, that nothing in this sentence shall be construed to relieve Baker of its obligations to make payments under this Agreement (including
the obligation to make any Makewhole Payments as contemplated in Section 2.5). 

  

	2.4	During the Term of this Agreement, the Minimum Purchase Requirement shall be ordered by Baker in installments of not less than 37,500 tons of Product per calendar month
(the “Monthly Minimum Requirement”), and not more than the Monthly Maximum Supply Availability. In the event that Baker fails to purchase one twelfth (1/12) of the Minimum Purchase Requirement of Product from Supplier during any
particular calendar month in which Supplier was ready, willing and able to deliver 46,000 tons of Product, then the “Purchase Shortfall” shall be the amount by which one twelfth (1/12) of the Minimum Purchase Requirement exceeds the
amount of Product actually purchased by Baker during such calendar month until the minimum annual volume is met. 

  

	2.5	On written notice of such Purchase Shortfall to Baker by Supplier, Baker shall have *** after the month of the Purchase Shortfall to purchase tonnage of Product in
excess of the Monthly Minimum Requirement as applicable (but subject to the Monthly Maximum Supply Availability) to make up for the Purchase Shortfall. If Baker fails to purchase the full amount of the Purchase Shortfall in such *** period, Baker
shall be obligated to pay to Supplier an amount equal to the amount of the Purchase Shortfall not purchased by Baker in such *** period (expressed in tons) multiplied by $*** (the “Makewhole Payment”). The Makewhole Payment shall be paid
within *** of written demand by Supplier, by wire transfer of immediately available funds to the account designated in writing by Supplier. The aggregate Purchase Shortfall amount for a Contract Year shall not exceed the Minimum Purchase Requirement
for such Contract Year, as applicable, less the amount of Product ordered and delivered to Baker. Baker reserves the right to resell goods purchased from Supplier if deemed necessary by Baker in order to satisfy the Minimum Purchase Requirement.
Supplier shall not be obligated to deliver more than the Monthly Maximum Supply Availability in any given calendar month. 

  

	2.6	Baker may elect to sell all or any amount of Product comprising the Minimum Purchase Requirement in order to meet its obligations under this Agreement. If requested by
Baker, Supplier will use its best efforts to assist Baker with delivery schedules and delivery locations for any Product sold by Baker. Sales of such Product by Baker will count towards fulfilling Baker’s Minimum Purchase Requirement. Nothing
in this Section will release Baker from its payment obligations to Supplier for such Product sold by Baker. 

  
 pg. 4

	2.7	Forecast of Demand. Baker shall provide a non-binding six-month rolling volume forecast of its anticipated purchase of Products (“Forecast
Amount”). Updates to the Forecast Amount indicated in the six-month rolling volume forecast will be made and communicated periodically as promptly as practicable after Baker becomes aware of such changes. Supplier shall notify Baker within ten
(10) Business Days of receiving a forecast or update if Supplier anticipates being unable to meet the anticipated purchase amounts. Supplier shall not be obligated to deliver more than the Monthly Maximum Supply Availability in any given
calendar month. 

  

	2.8	Title and Risk Of Loss. Title and risk of loss or damage to Products shall pass to Baker FCA (details listed in table below), Incoterms 2010. Supplier is
not responsible for unfilled orders resulting from any shortage or lack of availability of rail cars for shipment of orders except that Supplier must always meet the Minimum Supply volumes as specified in Section 2.1. Supplier warrants
clear title to the Products at the time title to the Products passes to Baker, free from any and all liens or other encumbrances. Supplier is responsible for proper loading and correct stowing of the Product on the Baker nominated carrier, at its
expense, and will comply with any documentary instructions of Baker in the shipment process. 

  

					
	 Mode of Transportation
	  	 Incoterm
	  	 Title and Risk of Loss

			
	Rail Car	  	FCA (Supplier’s facility in Tomah, WI)	  	Title and risk of loss will transfer from Supplier to Baker when the Products are loaded by Supplier onto Baker’s designated rail car at the Supplier’s facility in Tomah
and/or Wyeville, WI.
			
	Rail Car	  	FCA (Supplier’s facility in Wyeville, WI)	  	Title and risk of loss will transfer from Supplier to Baker when the Products are loaded by Supplier onto the rail car and at the rail facility designated by Baker

  

	2.9	 Orders. During the Term, Supplier shall supply to Baker, and Baker shall purchase, the types and amounts of the Products ordered by Baker
from time to time under this Agreement; provided that Supplier shall be under no obligation to supply or sell, and Baker shall not have the right to buy Products in excess of the Minimum Purchase Requirement or the Monthly Maximum Supply
Availability. This Agreement shall control and govern all transactions between the Parties with respect to the sales and purchases of Products, whether under subsequent verbal and/or written Purchase Orders, unless subject to an express, duly
executed agreement (which is not a pre-printed form, terms contained on an Internet site or order confirmation) for the particular subject matter. The terms of this Agreement shall prevail over the terms in the Purchase Order in the event of a
conflict unless specific reference and identification is made to the provision of this Agreement to be modified and the intention to modify is explicitly stated and signed by both Parties. Such changes shall be

  
 pg. 5

 SPECIFIC TERMS IN THIS EXHIBIT HAVE BEEN REDACTED BECAUSE CONFIDENTIAL TREATMENT OF THOSE TERMS HAS BEEN
REQUESTED. THE REDACTED MATERIAL HAS BEEN SEPARATELY SUBMITTED TO THE SECURITIES AND EXCHANGE COMMISSION, AND THE TERMS HAVE BEEN MARKED AT THE APPROPRIATE PLACE WITH THREE ASTERISKS (***). 

 

	 	
effective for that Purchase Order only. Printed terms and conditions contained in documents issued to Baker by Supplier or from Baker to Supplier with respect to the Products shall be of no force
and effect and shall be superseded by the terms and conditions which are contained in this Agreement. Supplier agrees to promptly process all of Baker’s orders under the terms of this Agreement. 

 

	2.10	Delivery. Supplier agrees that all Products ordered by Baker will be delivered to Baker per this Article 2 and in accordance with a reasonable
delivery date contained in the applicable Purchase Order, subject to the Monthly Maximum Supply Availability. 

  

	2.11	Alternate Sources of Supply. Supplier may, in its discretion, source Product from third Persons for purposes of selling such Product to Baker hereunder,
so long as such Product meets or exceed the Specifications and Quality Standards subject to Section 5.1 and Supplier is otherwise in compliance with the other provisions of this Agreement. 

3. Invoicing and Payment 
  

	3.1	Invoicing and Payment Terms. Subject to any special terms agreed in writing from time to time between Baker and Supplier: 

 

	(a)	 Supplier shall invoice Baker on a monthly basis in respect of all Products supplied under this Agreement during the applicable calendar month, within
*** of the end of such calendar month. Each invoice shall be for the tonnage actually shipped. Payment shall be due no later than the *** the date of receipt of the invoice. 

 

	(b)	Should Baker fail to make an adjustment to an invoice to which it was entitled, and as a result has overpaid amounts due to Supplier, then upon such overpayment
becoming known and agreed to by the Parties, Supplier shall issue a credit to Baker within ***, which credit may be applied by and utilized by Baker against future invoices owing to Supplier and, to the extent any credit has not been applied or
utilized within *** from the date of such overpayment, Supplier shall, upon demand received from Baker, immediately refund such remaining credit amount. 

  

	(c)	Interest Rate on Past Due Payments. Payments *** or more past due shall bear interest at the rate of *** from (and including) the date on which the
applicable payment was due to (but excluding) the date on which the applicable payment is paid in full. The accrual of interest as provided in the preceding sentence shall not limit any other remedies of Supplier, which shall include the right to
terminate this Agreement in accordance with Section 8.3. 

 4. Taxes. Supplier is responsible for all taxes
legally imposed upon its business, including but not limited to taxes imposed upon its income, its personnel or its property. Such taxes are for Supplier’s account. Baker shall pay and Supplier shall collect and is responsible for the reporting
of applicable transaction taxes such as severance, sales, use, value added, manufacture, excise, or similar taxes, unless a valid exemption is claimed by Baker. Transaction taxes are in addition to established prices and shall be shown as a separate
line item on the invoice. If tax withholding is required by law, Baker will adhere to statutory tax withholding requirements with respect to payments to Supplier. Such withholdings are for Supplier’s account and amounts invoiced by Supplier
shall not be increased or grossed up to shift the withholding tax cost to Baker. Certificates of withholding taxes shall be provided to Supplier as soon as administratively possible. 

  
 pg. 6

 5. Quality of the Products 

 

	5.1	Quality. In entering into this Agreement, Baker relies upon Supplier’s expertise to manufacture the Products and Supplier covenants and warrants to
Baker that all Products supplied by Supplier pursuant to this Agreement shall: 

  

	(a)	Comply with the Quality Standards; 

  

	(b)	Conform in all respects to the ISO 13503-2 standard Specifications, if any as per this Agreement; and 

 

	(c)	be free and clear of all liens and other encumbrances at the time title to the Products passes to Baker. 

 

	5.2	Inspection. Supplier shall permit representatives of Baker, at any reasonable time and upon reasonable prior notice, to inspect the Products manufactured
by Supplier at Supplier’s Facility prior to the time of delivery of Products to the carrier. Whether or not Baker conducts an inspection, Supplier shall provide Baker a production sample per Purchase Order in order to show compliance with
Section 5.1. A “Production Sample” is defined as one hundred (100) grams of the actual production run and/or lot number of the delivered Product. Such Production Sample shall be retained by Supplier and provided to Baker
up to one hundred twenty (120) days from the date of the Purchase Order. Supplier shall provide multiple-sieve analysis of Product at Supplier’s facility for inspection/confirmation by Baker. 

 

	5.3	Rejection. Baker shall be entitled to reject any of the Products that do not comply with Section 5.1; provided that any Products not rejected
prior to the time of delivery of such Products to the carrier shall be deemed accepted by Baker, unless testing of the applicable Production Sample by an independent third party laboratory conclusively determines that Products previously accepted by
Baker do not comply with Section 5.1 (in which case Baker may reject such previously accepted Products upon such determination by the independent third party laboratory). In the event that Baker timely rejects any Products, Supplier
shall replace such Products at its sole cost. Supplier shall provide such replacement Products at Supplier’s Facility within a reasonable time under the circumstances. The time for fulfillment of the Minimum Purchase Requirement shall be
extended by the amount of time Supplier takes to replace the non-conforming Product with conforming Product. 

  

	5.4	Warranty and Claims. EXCEPT AS EXPRESSLY SET FORTH IN THIS AGREEMENT, INCLUDING, WITHOUT LIMITATION, AS EXPRESSLY SET FORTH IN SECTION 5.1
ABOVE, NO WARRANTY, EXPRESS OR IMPLIED, SHALL BE APPLICABLE TO THE PRODUCTS, INCLUDING, WITHOUT LIMITATION, ANY WARRANTY AS TO THE QUALITY OF THE PRODUCTS, ANY IMPLIED WARRANTY OF MERCHANTABILITY OR SUITABILITY OR ANY IMPLIED WARRANTY THAT ANY OF
THE PRODUCTS ARE FIT FOR A PARTICULAR PURPOSE, NOTWITHSTANDING ANY COURSE OF DEALING OR INDUSTRY PRACTICE INCONSISTENT WITH THIS AGREEMENT. Should Baker choose to provide a warranty to its customers beyond the warranty provided by Supplier, then
Baker shall bear the entire cost of such warranty. Should any Product not comply with the warranties of Supplier expressly made in this Agreement, then Supplier shall, as the sole and exclusive remedy of Baker, provide replacement Product to Baker
at Supplier’s Facility. 

  
 pg. 7

 SPECIFIC TERMS IN THIS EXHIBIT HAVE BEEN REDACTED BECAUSE CONFIDENTIAL TREATMENT OF THOSE TERMS HAS BEEN
REQUESTED. THE REDACTED MATERIAL HAS BEEN SEPARATELY SUBMITTED TO THE SECURITIES AND EXCHANGE COMMISSION, AND THE TERMS HAVE BEEN MARKED AT THE APPROPRIATE PLACE WITH THREE ASTERISKS (***). 

 
  

	5.5	Insurance Requirements. Each of Supplier and Baker shall maintain and exhibit to the other on demand, (a) certificates of comprehensive general
liability insurance and employers liability insurance for such amount as may from time to time be agreed between the Parties but in any event not be less than *** in each case and (b) certificates of excess liability insurance for such amount
as may from time to time be agreed between the Parties but in any event not be less than *** per occurrence. 

 6.
Confidentiality 
  

	6.1	Confidential Information. All information concerning this Agreement, including, without limitation, Intellectual Property, the Product, and any data
obtained pursuant to this Agreement shall be deemed “Confidential Information”. Baker and Supplier shall hold all Confidential Information in confidence and shall not disclose such information to any third party or otherwise use the
Confidential Information except as stated herein or otherwise agreed between the Parties. 

  

	6.2	Agreements as to Confidential Information. Each of the Parties, except as agreed otherwise or to the extent necessary in the performance of this
Agreement, shall: 

  

	(a)	instruct its directors, officers and employees not to use, analyze, sell, lease, assign, transfer, license, disclose or make available to any third party the
Confidential Information; and 

  

	(b)	not copy or duplicate by any means, in whole or in part, the Confidential Information except as permitted herein. 

 

	6.3	Excluded Information. The obligations of the Parties under this Agreement shall not extend to or include Confidential Information exchanged between the
Parties that: 

  

	(a)	Is or becomes publicly available without the fault of the receiving Party; 

 

	(b)	Is obtained by the receiving Party from a source other than the disclosing Party and where such source was free of any restrictions owed to the disclosing Party on its
use or disclosure; 

  

	(c)	Was in the receiving Party’s possession prior to the receiving Party’s receipt thereof from the disclosing Party, without any restriction owed to the
disclosing Party on its use or disclosure; 

  

	(d)	Is required to be disclosed by operation of law, judicial or administrative procedure, decree or order or by any regulation or law, subject to Section 6.5
hereof; or 

  

	(e)	Is independently developed by Persons who did not have access to the Confidential Information. 

 

	6.4	Additional Obligations. Even if a receiving Party is relieved of its obligations by the exceptions recited above, the receiving Party shall not make known
or cause to be made known that the Confidential Information was acquired from the disclosing Party, or that there may be any similarity between such Confidential Information and other information made available from any other source.

  
 pg. 8

	6.5	Non-disclosure of Agreement. Except as otherwise provided under this Agreement or as may be required by law or regulation, neither Party, without the
prior written consent of the other Party, will disclose to any other Person either the fact that this Agreement exists, the fact that the Parties have made any information available to each other or the fact that any discussions or negotiations are
taking place concerning a possible arrangement or any of the terms, conditions or other facts with respect to any such possible arrangement, including the status thereof; provided that a Party may disclose such information (a) to its advisors
and Affiliates who agree or who are under a legal or fiduciary obligation to maintain the confidentiality of such information and (b) to prospective purchasers, investors or lenders (subject to the execution by the prospective purchasers,
investors or lenders of written confidentiality agreements with terms at least as stringent as those contained herein); provided, that in no event shall such information be disclosed to a competitor of such other Party unless such competitor is
seeking to purchase, invest or lend funds to Supplier. If a receiving Party receives a request to disclose all or any part of the disclosing Party’s Confidential Information under the terms of a valid and effective subpoena, decree or order
issued by a court of competent jurisdiction or by a governmental body, the receiving Party hereby agrees to, and agrees to cause its Affiliates to, immediately notify the disclosing Party in writing of the existence, terms and circumstances
surrounding the request, so that the disclosing Party may seek an appropriate protective order or waive the receiving Party’s compliance with the provisions of this Agreement (and, if the disclosing Party seeks an order, to provide the
cooperation as said owner shall reasonably request); and if disclosure of Confidential Information is required in the written opinion of a receiving Party’s counsel, the receiving Party shall exercise reasonable efforts, with the cooperation of
the disclosing Party, to obtain an order or other reliable assurance that confidential treatment will be accorded to the disclosed Confidential Information. 

 7. Force Majeure 
  

	7.1	Force Majeure Events. If either Party is affected by Force Majeure it shall promptly notify the other Party of the nature and extent of the circumstances
in question. Neither Party shall be deemed to be in breach of this Agreement, or otherwise be liable to the other, for any delay in performance or the non-performance of any of its obligations under this Agreement, to the extent that the delay or
non-performance is due to any Force Majeure, and the time for performance of that obligation shall be extended accordingly; provided, that if the Force Majeure in question prevails for a continuous period in excess of thirty (30) days, the
Parties shall enter into discussions with a view to alleviating its effects, or to agreeing upon such alternative arrangements as the Parties mutually agree. 

 

	7.2	Limitation. Notwithstanding Section 7.1, neither Party shall be relieved of its obligations to make payments as provided herein (including,
but not limited to, the obligations to pay for delivered Products as required hereunder). 

 8. Duration and
Termination 
  

	8.1	Term. This Agreement shall be deemed to become effective on the Effective Date and shall continue in effect through April 30, 2017 (such period being
referred to herein as the “Primary Term”), unless earlier terminated as provided herein. This Agreement may be extended beyond the Primary Term by mutual written agreement of the Parties. 

  
 pg. 9

 SPECIFIC TERMS IN THIS EXHIBIT HAVE BEEN REDACTED BECAUSE CONFIDENTIAL TREATMENT OF THOSE TERMS HAS BEEN
REQUESTED. THE REDACTED MATERIAL HAS BEEN SEPARATELY SUBMITTED TO THE SECURITIES AND EXCHANGE COMMISSION, AND THE TERMS HAVE BEEN MARKED AT THE APPROPRIATE PLACE WITH THREE ASTERISKS (***). 

 
  

	8.2	Termination by Baker. If Baker is not then in breach of this Agreement giving rise to an event of termination, this Agreement may be immediately
terminated for breach if Supplier fails to produce and deliver Products that meet the Specifications for a period of more than ***. Upon such breach, Baker may terminate this Agreement immediately by giving written notice of termination to Supplier.
Subject to fulfilling its obligations to purchase the Minimum Purchase Requirement, Baker may terminate any Purchase Order upon *** written notice. In the event Supplier has incurred costs in executing the Purchase Order up to termination, Baker
shall reimburse Supplier for such documented costs. In the event of Supplier’s failure to perform any of its material obligations under this Agreement (including failure to deliver agreed upon amounts of Product and not making up the Supply
Shortfall as contemplated by Section 2.1(b)), Baker shall promptly give Supplier notice thereof. Such notice shall specify the nature of such failure with particularity and in reasonable detail, including the specific provision of this
Agreement to which such purported failure relates. Supplier shall use commercially reasonable efforts to cure or otherwise remedy the failure specified in such notice within *** after its receipt of such notice. A failure specified in such notice
that Supplier does not cure or otherwise remedy in such *** period shall be deemed a “Supplier Uncured Failure”. Baker shall have the right to terminate this Agreement if Supplier has more than three (3) Supplier Uncured Failures in
any twelve (12) month period. Baker’s sole and exclusive damages in case of such termination shall be limited to $*** per short ton of Minimum Supply Product that remains undelivered for the remaining Term of the Agreement after the
filling of all outstanding Purchase Orders. The Parties acknowledge and agree that in the event of a breach under this Section 8.2, the damages would be difficult if not impossible to quantify, and accordingly, such payment shall be for
liquidated damages and not as any form of penalty. 

  

	8.3	Termination by Supplier. If Supplier is not then in breach of this Agreement giving rise to an event of termination, Supplier shall be entitled to
terminate this Agreement should Baker fail to order and take delivery of the required volumes of Product or pay sums due hereunder. Supplier shall give Baker written notice of any such failure and provide a reasonable time to cure which shall not
exceed ***. Should Baker fail to cure prior to the end of such *** period, then Supplier may terminate this Agreement immediately. Supplier’s sole and exclusive damages in case of such termination shall be limited to $*** per short ton of
Product that remains undelivered under the Minimum Purchase Requirements for the remaining Term of the Agreement after the filling of all outstanding Purchase Orders. The Parties acknowledge and agree that in the event of a breach under this
Section 8.3, the damages would be difficult if not impossible to quantify, and accordingly, such payment shall be for liquidated damages and not as any form of penalty. 

 

	8.4	Termination of Purchase Order. Termination of a Purchase Order does not terminate this Agreement. Termination of this Agreement will automatically
terminate all outstanding Purchase Orders, except those Purchase Orders that are expressly affirmed by Baker. 

 8.5
Events Upon Termination. 
  

	(a)	Upon expiration of this Agreement or the termination of the Agreement for reasons other than pursuant to Section 8.2, Baker shall purchase from Supplier all
Products which have been ordered from Supplier but not delivered to Baker at the date of termination, and Supplier shall promptly manufacture and deliver such Products to Baker. 

  
 pg. 10

	(b)	Upon expiration of this Agreement or the termination of this Agreement for any reason, all obligations of the Parties hereunder shall terminate, except for any
obligations that are expressly stated to survive the expiration of the Term or termination of this Agreement and any obligations that remain executory which obligations, to the extent they remain executory, shall remain in full force and effect
until fully performed by the obligated Party as stated in this Agreement. The respective Parties’ obligations under Section 3.1, Section 5.4, Article 6, this Section 8.5 and Articles 9 through
14 shall survive the expiration of the Term or termination of this Agreement. Neither expiration nor termination of this Agreement shall relieve any Party of liability for breaches of this Agreement prior to such expiration or termination.

 9. INDEMNITY AND LIMITATION OF LIABILITY 

 

	9.1	INDEMNIFICATION.

  

	(a)	BAKER AND SUPPLIER AGREE TO FULLY RELEASE, INDEMNIFY, DEFEND AND HOLD ONE ANOTHER AND THEIR RESPECTIVE PARENT, SUBSIDIARY OR AFFILIATED ENTITIES HARMLESS FROM AND
AGAINST ANY AND ALL CLAIMS, COSTS, CAUSES OF ACTION, FINES, PENALTIES OR OTHER LIABILITY THAT MAY BE ASSERTED AGAINST THE OTHER AND/OR THEIR RESPECTIVE GROUPS, TO THE EXTENT, ARISING OUT OF THE INDEMNIFYING PARTY’S OR THEIR RESPECTIVE
GROUP’S NEGLIGENCE OR WILLFUL MISCONDUCT IN CONNECTION WITH PERFORMANCE UNDER THIS AGREEMENT. 

  

	(b)	NOTWITHSTANDING PARAGRAPH 9.1, BAKERAND SUPPLIER SPECIFICALLY ACKNOWLEDGE AND AGREE THAT THE GOODS PROVIDED BY SUPPLIER HEREUNDER ARE INHERENTLY DANGEROUS AND BAKER
AGREES TO INDEMNIFY AND HOLD HARMLESS SUPPLIER ITS PARENT, SUBSIDIARY AND AFFILIATED ENTITIES FROM AND AGAINST ANY CLAIMS, COSTS, CAUSES OF ACTION, FINES, PENALTIES OR OTHER LIABILITY TO THE EXTENT CAUSED BY BAKER’S NEGLIGENT USE OF THE
PRODUCT(S) OR NEGLIGENT OR WILLFUL FAILURE TO PROVIDE ADEQUATE WARNING OR REASONABLE PROTECTIVE PROCEDURES AND EQUIPMENT WITH RESPECT TO THE USE OF THE PRODUCT(S) 

 

	9.2	Limitation of Liability. NOTWITHSTANDING ANY PROVISION HEREIN TO THE CONTRARY, NEITHER PARTY SHALL BE LIABLE TO THE OTHER PARTY FOR, AND EACH PARTY RELEASES THE
OTHER FROM LIABILITY ATTRIBUTABLE TO, ANY SPECIAL, ECONOMIC, INDIRECT, CONSEQUENTIAL, OR OTHER INCIDENTAL DAMAGES ARISING OUT OF THE PERFORMANCE OF THIS AGREEMENT, OR DEFAULT IN THE PERFORMANCE HEREOF, WHETHER BASED UPON CONTRACT, TORT (INCLUDING
NEGLIGENCE, PRODUCT LIABILITY OR STRICT LIABILITY), OR WARRANTY. 

  

	9.3	 Indemnification Procedure. In the event either Party learns of any claim, liability, demand or cause of action relating to this Agreement
or the performance hereunder, which said Party shall determine, in its sole discretion, that the other Party may be liable therefor, said Party 

  
 pg. 11

	 	
shall promptly notify the other Party. If indemnity is required by any of the terms of this Agreement, the indemnifying Party shall have the right to control all litigation and shall defend the
other and pay all settlements, judgments, costs, and expenses (including without limitation court costs and reasonable attorneys’ fees), whether related or unrelated, similar or dissimilar to the foregoing, incident thereto. Each Party, if
requested, agrees to cooperate with the other in any defense, and the indemnifying Party shall reimburse the other for all reasonable expenses incurred in connection therewith. The indemnified Party shall have the right to counsel of its own
choosing and at its sole expense participate in any such litigation. Notwithstanding the foregoing, however, neither Party shall effect settlement of or compromise any such claim or proceedings without having obtained the prior written consent of
the other Party, which consent shall not be unreasonably withheld, conditioned or delayed; provided that the indemnifying Party may settle or compromise any such claim if the settlement or compromise (a) requires solely the payment of money
damages by the indemnifying Party, and (b) includes as an unconditional term thereof the release by the claimant or the plaintiff of the indemnified Party from all liability in respect of such claim. If the indemnified Party does not consent to
a settlement which the indemnifying Party is willing to accept, then the indemnifying Party’s liability shall be limited to the amount for which the claim could have been settled provided, such settlement does not require the indemnified Party
to forego any property rights other than the amount of payment of the proposed settlement. 

  

	9.4	Compliance with Law. Subject to the limitations of this Agreement, it is agreed that in the performance of this Agreement all matters shall be conducted
in full compliance with any and all applicable federal, state, provincial and local laws, rules and regulations in the area(s) in which the matters are being conducted. Any performance obligation arising under this Agreement is contingent on the
prior receipt of all necessary government authorizations. If either Party is required to pay any fine or penalty or is subject to a claim from the other Party’s failure to comply with applicable laws, rules or regulations, the Party failing to
comply shall defend, indemnify and hold harmless the other Party for all damages, fees and/or fines for such failure to comply to the extent of the indemnifying Party’s allocable share of the failure to comply. 

 

	9.5	Antibribery. Supplier represents and warrants that it and all of its Affiliates and agents shall act in accordance with the principles described in the
Convention on Combating Bribery of Foreign Public Officials in International Business Transactions, signed in Paris on December 17, 1997 (“the Convention”), and the Convention’s Commentaries (collectively the “OECD
Principles”), and shall comply with all applicable laws implementing the OECD Principles (including the U.S. Foreign Corrupt Practices Act of 1977, as amended), as well as any applicable local laws related to anti-corruption, anti-kickbacks,
and anti-money laundering. Supplier agrees not to take or fail to take any action that might cause Baker to be in violation of any such laws. In addition to the foregoing, Supplier represents and warrants that it and its Affiliates have not and
shall not request, induce, make, offer, authorize, promise to make any payment or transfer anything of value, directly or indirectly, (a) to any governmental official or employee (including employees of government-owned or government-controlled
corporations, agencies or bodies), (b) any official or employee of a public international organization, (c) to any political party, official of a political party or candidate, or (d) to any third party knowing, believing, or
suspecting that such third party will give the payment, or any portion thereof, to any of the foregoing persons in order to obtain or retain business, or for any other improper purpose. In no event shall Supplier make payments to governmental
officials or employees on behalf of Baker. 

  
 pg. 12

	9.6	Code of Conduct/ Gifts, Entertainment and Travel. It is considered to be in conflict with Baker’s interest for its employees or any member of their
immediate family to accept gifts, payments, extravagant entertainment, services, or loans in any form from anyone soliciting business, or who may already have established business relations with Baker. Gifts of nominal value and entertainment,
meals, and social invitations that are customary and proper under the circumstances and that do not place the recipient under any obligation are acceptable. Any gifts, payment of individual expenses, including, without limitation, trips, or
conveyances to Baker employees shall be disclosed in writing to the Baker Ethics and Compliance Group. 

  

	9.7	Information Requests. Supplier shall maintain full and complete accounting records of activity performed and expenditures incurred by Supplier in
connection with this Agreement in such a manner and detail as to permit verification of compliance with the provisions of Sections 9.4 through 9.6. Baker shall have the right to audit such Supplier’s records for a period of two
(2) Years from the expiration or termination of this Agreement. This provision shall survive expiration or termination of this Agreement. 

  

	    	Notwithstanding anything to the contrary, neither Party shall be required to take or refrain from taking any action prohibited or penalized under the laws of the
United States, including the U.S. antiboycott laws. 

  

	9.8	Economic Sanctions and Export Controls. Supplier agrees to fully comply with all economic sanctions and export control laws and regulations, including
those regulations maintained by the U.S. Commerce Department’s Bureau of Industry and Security and the U.S. Treasury Department’s Office of Foreign Assets Control. In addition, Supplier shall not, directly or indirectly, sell, provide,
export, re-export, transfer, divert, loan, lease, consign or otherwise dispose of any Baker equipment, product, services, software, source code, technical data or technology to or via any person, entity or destination, or for any activity or end-use
restricted by the laws or regulations of the United States or any other applicable jurisdiction (including nuclear, missile, chemical or biological weapons proliferation, military, or money laundering activities) without first obtaining all required
government authorizations. 

 10. Nature of Agreement 

 

	10.1	Assignment. Either Party shall have the right to assign or transfer to any Person any of its rights or obligations under this Agreement without the prior
written consent of the other Party, provided that the assigning Party shall remain liable to the other Party under the terms of this Agreement notwithstanding such assignment. This Agreement shall be binding on and inure to the benefit of the
Parties and their respective successors and permitted assigns, including any successor upon a sale or change of control of a Party. This Agreement is intended solely for the benefit of the Parties and their respective successors and permitted
assigns. 

  
 pg. 13

	10.2	Relationship. Each of the Parties is an independent contractor with respect to the other and is not an employee of the other Party or any of the other
Party’s Affiliates, and nothing in this Agreement is intended to constitute a partnership or a master and servant relationship between the Parties. Each of the Parties understands and agrees that this Agreement does not create an exclusive
dealings arrangement and that each of Baker and Supplier may enter into similar arrangements with other companies with respect to similar or the same Product. Nothing in this Agreement shall be construed to create any duty to, or standard of care
with reference to, or liability of a Party to, any person not a Party to this Agreement. Nothing in this Agreement shall be deemed to constitute any fiduciary or special relationship or duty between the Parties and each Party may take actions
hereunder that are for its own self-interest without any duty or, subject to the express terms of this Agreement, liability to the other Parties. 

  

	10.3	Entire Agreement; Amendment. This Agreement, including its appendices, exhibits and schedules, constitutes the entire Agreement between the Parties with
respect to the subject matter hereof and supersedes any existing agreements between them whether oral or written. The terms of this Agreement shall only be amended, modified or supplemented as set forth herein or in a writing signed by or on behalf
of both or the Parties. In case of a conflict between this Agreement and a Purchase Order or Purchase Order confirmation contemplated hereunder, the terms of this Agreement shall govern. Acceptance of a Purchase Order or Purchase Order confirmation
is insufficient to amend this Agreement unless a separate writing is duly executed by all the Parties specifically amending this Agreement. 

  

	10.4	Reformation. If any term or other provision of this Agreement is invalid, illegal or incapable of being enforced by any rule of law or public policy, all
other conditions and provisions of this Agreement shall nevertheless remain in full force and effect so long as the economic and legal substance of the transactions contemplated hereby are not affected in any manner materially adverse to any Party.
Upon the determination that any term or other provision is invalid, illegal or incapable of being enforced, the Parties shall negotiate in good faith to modify this Agreement so as to effect the original intent of the Parties as closely as possible
in an acceptable manner to the end that transactions contemplated hereby are fulfilled to the extent possible. In the event any such provision, clause, sentence or part of this Agreement cannot be modified to comply with the law, then said
provision, clause, sentence or portion of the Agreement shall be deemed to be deleted from the Agreement and the remaining terms and conditions shall remain in full force and effect. 

11. Notices and Service 
  

	11.1	Addresses. All notices, requests, consents, directions and other instruments and communications required or permitted to be given under this Agreement
shall be in writing and shall be deemed to have been duly given if delivered in person, by courier or by overnight delivery service with proof of delivery addressed to the respective Party at the address set forth below, or if sent by facsimile or
other similar form of communication (with receipt confirmed) to the respective Party at the facsimile numbers set forth below: 

 If to Baker, to: 
 Baker Hughes Oilfield Operations, Inc.

 Attn: General Counsel 
 11211 FM 2920 
 Tomball, TX 77375 

Fax: 281.357.2512 

  
 pg. 14

 If to Supplier, to: 

Hi-Crush Operating LLC 
 c/o Hi-Crush Proppants LLC 
 Three Riverway, Suite 1550 

Houston, TX 77056 
 Fax: (713) 963-0088 
 or to such other address or facsimile number and to the
attention of such other Person(s) as either Party may designate by written notice. Any notice mailed by over-night delivery service shall be deemed to have been given and received on the second Business Day following the day of mailing. 

12. General 
  

	12.1	Waiver. No failure or delay by either Party in exercising any of its rights under this Agreement shall be deemed to be waiver of that right, and no waiver
by either Party of a breach of any provision of this Agreement shall be deemed to be a waiver of any subsequent breach of the same or any other provision. 

  

	12.2	Costs. The Parties shall bear their own costs of, and incidental to, the preparation, execution and implementation of this Agreement.

  

	12.3	Counterparts. This Agreement may be executed in one or more counterparts, each of which shall for all purposes be deemed to be an original and all of
which shall constitute the same instrument. The exchange of copies of this Agreement and of signature pages by facsimile transmission (whether directly from one facsimile device to another by means of a dial-up connection or whether otherwise
transmitted via electronic transmission), by electronic mail in “portable document format” (“.pdf”) form, or by any other electronic means intended to preserve the original graphic and pictorial appearance of a document, or by a
combination of such means, shall constitute effective execution and delivery of this Agreement as to the Parties and may be used in lieu of an original Agreement for all purposes. Signatures of the Parties transmitted by facsimile or other
electronic transmission shall be deemed to be original signatures for all purposes. Minor variations in the form of signature pages of this Agreement, including footers from earlier versions of this Agreement, shall be disregarded in determining a
Party’s intent or the effectiveness of such signature. 

 13. Governing Law and Venue 

 

	13.1	Governing Law; Venue. This Agreement shall be governed by and construed and enforced in accordance with the internal laws of the State of Texas, without
giving effect to that state’s conflicts of laws principles or choice of law rules. The Parties agree that Houston, Harris County, Texas, shall be the exclusive forum and venue for resolving any disputed matter. 

  
 pg. 15

 It is the intent of the Parties to exclude the application of the United Nations Convention
on Contracts for the International Sale of Goods (1980). Nothing herein shall prohibit a Party from availing itself of a court of competent jurisdiction for the purpose of injunctive relief. The Parties acknowledge and agree that the Parties may
have available to them laws or remedies available under applicable local legislation; it is the intent of the Parties to have the terms of this Agreement apply in every instance, including, without limitation, the choice of law provisions.

 [Signature Page Follows] 

  
 pg. 16

 IN WITNESS WHEREOF, the parties have executed this Agreement. 

 
  

			
	 BAKER:

BAKER HUGHES OILFIELD OPERATIONS, INC.

		
	By:	 	 /s/ Authorized Person

	Name: Authorized Person
	Title: Authorized Officer
	Date: 10/28/11

  

			
	SUPPLIER: HI-CRUSH OPERATING LLC
		
	By:	 	 /s/ James M. Whipkey

	Name: James M. Whipkey
	Title: CEO
	Date: 10/28/11

 EXHIBIT A 

Product Specifications 
  

			
	 	  	ISO 13503-2
	 Turbidity (NTU)
	  	£ 250
	 Krumbein Shape Factors:
	  	
	 Roundness
	  	3 0.6
	 Sphericity
	  	3 0.6
	 Clusters (%)
	  	£ 1.0
	 Sieve Analysis:
	  	
	 <0.1% of sample larger than first specified sieve size
	  	
	 % In Size -20+40
	  	3 90
	 % In Size -30+50
	  	3 90
	 % In Size -40+70
	  	3 90
	 <1.0% in pan
	  	
	 Solubility in 12/3 HCL/HF for 0.5 HR @ 150 °F (% Weight Loss)
	  	£ 3.0First Amendment to Supply Agreement effective as of May 1, 2012

 Exhibit 10.9 
 SPECIFIC TERMS IN THIS EXHIBIT HAVE BEEN REDACTED BECAUSE CONFIDENTIAL TREATMENT OF THOSE TERMS HAS BEEN REQUESTED. THE REDACTED MATERIAL HAS BEEN SEPARATELY SUBMITTED TO THE SECURITIES AND EXCHANGE
COMMISSION, AND THE TERMS HAVE BEEN MARKED AT THE APPROPRIATE PLACE WITH THREE ASTERISKS (***). 
 FIRST AMENDMENT TO
SUPPLY AGREEMENT 
 This FIRST AMENDMENT TO SUPPLY AGREEMENT (this “First Amendment”) is effective as of
May 1, 2012, between Baker Hughes Oilfield Operations, Inc., a California corporation with its principal place of business at 2929 Allen Parkway, Houston, Texas, 77019 and its affiliates (“Baker”), and Hi-Crush Operating LLC, a
Delaware limited liability company with its principal place of business at Three Riverway, Suite 1550, Houston, TX 77056 (“Supplier”). 
 RECITALS: 
 1. Baker and its Affiliates carry on the business of the design,
manufacture and supply of goods and services in the Oilfield Business as defined below; 
 2. Supplier is able to supply certain goods for Baker;

 3. Baker requires high quality sand for use as a proppant in providing certain of its hydraulic fracturing and oilfield services; 

4. Supplier desires to sell such sand and is able to provide the proppant to Baker; 
 5. Supplier and Baker have previously entered into a Supply Agreement (the “Supply Agreement”) dated October 28, 2011 and effective as of May 1, 2012 regarding the sale of sand by
Supplier to Baker; 
 6. Baker and Supplier now desire to amend the Supply Agreement pursuant to the terms and conditions set forth herein.

 AGREEMENT 
 In consideration of the premises and the respective covenants and agreements contained herein, the receipt and sufficiency of which is hereby acknowledged, the Parties hereto agree to amend the Supply
Agreement as follows: 
  

	1.	Definitions 

  

	1.1	Capitalized terms which are used but not defined in this First Amendment, shall have the same meaning ascribed thereto in the Supply Agreement. In addition to terms
defined elsewhere in this First Amendment, the following terms shall have the following meanings unless the context otherwise requires: 

 (c) Contract Year means the Initial Period (as defined herein) starting on the Effective Date until April 30, 2013, and each successive period of twelve (12) calendar months occurring
immediately thereafter. 

 SPECIFIC TERMS IN THIS EXHIBIT HAVE BEEN REDACTED BECAUSE CONFIDENTIAL TREATMENT OF THOSE TERMS HAS BEEN
REQUESTED. THE REDACTED MATERIAL HAS BEEN SEPARATELY SUBMITTED TO THE SECURITIES AND EXCHANGE COMMISSION, AND THE TERMS HAVE BEEN MARKED AT THE APPROPRIATE PLACE WITH THREE ASTERISKS (***). 

 
  

	2.	Production and Supply of the Products 

  

	2.1	Section 2.1 of the Supply Agreement shall be deleted in its entirety and the following shall be inserted in its place and stead: 

 

	    	Commencement of Production/Minimum Supply. 

  

	(a)	Beginning on May 1, 2012 through April 30, 2013 (the “Initial Period”), Supplier is obligated to sell and Baker is obligated to buy 300,000 tons of
Premium Frac Sand (the “Initial Minimum Supply”). During the Initial Period the minimum supply will consist of not more than *** tons of ***. 

  

	(b)	Beginning on May 1, 2013 through April 30, 2014 (the “Secondary Period”) Supplier is obligated to sell and Baker is obligated to buy, a minimum
annual volume of 500,000 tons of Product (the “Secondary Minimum Supply”) provided, however, such Secondary Minimum Supply shall consist of no more than *** tons of ***. 

 

	(c)	Beginning on May 1, 2014 through April 30, 2018 (the “Final Period”) Supplier is obligated to sell and Baker is obligated to buy a minimum annual
volume of 500,000 tons of Product (the “Final Minimum Supply”) provided, however, such Final Minimum Supply shall consist of no more than *** annually tons of *** annually. 

 

	(c)	Supplier shall be under no obligation to supply or sell Product in excess of the Initial Minimum Supply, Secondary Minimum Supply or Final Minimum Supply. In the event
that Supplier fails to supply to Baker the Initial Minimum Supply, Secondary Minimum Supply or Final Minimum Supply during any Contract Year (a “Supply Shortfall”), Supplier shall have *** after the end of such Contract Year to, as the
sole and exclusive remedy for such Supply Shortfall, either (i) tender the Supply Shortfall, including by supplying Product from one or more third parties in accordance with Section 2.11, or ) pay to Baker within *** of the end of the
Contract Year, as liquidated damages and not as a penalty, an amount equal to the amount of the Supply Shortfall (expressed in tons) multiplied by $***. It will be Supplier’s sole discretion as to which option is utilized.

  

	(d)	The “Monthly Maximum Supply Availability” during the Term is set forth in the table below. Supplier will not be obligated to fulfill orders that exceed the
Monthly Maximum Supply Availability for a specific calendar month. Additionally, no more than *** of the Monthly Maximum Supply Availability for the Initial Period shall be *** and no more than *** of the Monthly Maximum Supply Availability in any
given calendar month shall be *** for the Secondary Period and no more than *** of the Monthly Maximum Supply Availability in any given calendar month shall be *** for the Final Period of this Agreement. 

 

			
	 Month
	  	 Maximum Supply

	May ’12 thru April ’13	  	27,500 tons/month
	May ’13 thru April ’18	  	46,000 tons/month

  
 pg. 2

 SPECIFIC TERMS IN THIS EXHIBIT HAVE BEEN REDACTED BECAUSE CONFIDENTIAL TREATMENT OF THOSE TERMS HAS BEEN
REQUESTED. THE REDACTED MATERIAL HAS BEEN SEPARATELY SUBMITTED TO THE SECURITIES AND EXCHANGE COMMISSION, AND THE TERMS HAVE BEEN MARKED AT THE APPROPRIATE PLACE WITH THREE ASTERISKS (***). 

 
  

	2.2	Section 2.2 of the Supply Agreement shall be deleted in its entirety and the following shall be inserted in its place and stead: 

 

	    	Supply Requirements; Price, Volume Discounts and Additional Volume. 

 

	(a)	For the Term of this Agreement, pricing will be fixed at $***/short ton for contracted volumes as well as any additional Product that becomes available for purchase by
Baker. 

  

	2.3	Section 2.3 of the Supply Agreement shall be deleted in its entirety and the following shall be inserted in its place and stead: 

Baker Minimum Purchase Requirement. During the Term, Baker shall be required to take and, in accordance with
Section 3.1, pay for a minimum aggregate of 300,000 tons of Product during the Initial Period and 500,000 tons of Product per Contract Year for the Secondary Period and for the Final Period (the “Minimum Purchase Requirement”);
provided, however, that if, due solely to Force Majeure or the unavailability of rail cars in the market, Baker is unable to take delivery of Products as contemplated hereunder for a period of time during a Contract Year, Baker shall not be deemed
to be in breach of this Agreement as a result of such failure so long as Baker is using commercially reasonable efforts to obtain rail cars and minimize the period of time during which Baker is unable to take delivery of Products; provided, further,
however, that nothing in this sentence shall be construed to relieve Baker of its obligations to make payments under this Agreement (including the obligation to make any Makewhole Payments as contemplated in Section 2.6). 

 

	2.4	Section 2.4 of the Supply Agreement shall be deleted in its entirety and the following shall be inserted in its place and stead: 

During the Term of this Agreement, the Minimum Purchase Requirement shall be ordered by Baker in installments of not less than 22,500 tons of Product per
calendar month during the Initial Period (the “Initial Monthly Minimum Requirement”) and in installments of not less than 37,500 tons of Product per calendar month during the Secondary and Final Periods (the “Secondary and Final
Monthly Minimum Requirement”), and not more than the Monthly Maximum Supply Availability, beginning in May of 2012 and continuing thereafter for each calendar month during the remaining Term of this Agreement. In the event that Baker fails to
purchase one twelfth (1/12) of the Minimum Purchase Requirement of Product from Supplier during any particular calendar month in the Initial Period , Secondary Period or Final Period in which Supplier was ready, willing and able to deliver
27,500 tons of Product in the Initial Period and 46,000 tons of Product during the Secondary Period and Final Periods, then the “Purchase Shortfall” shall be the amount by which one twelfth (1/12) of the Minimum Purchase Requirement
exceeds the amount of Product actually purchased by Baker during such calendar month until the minimum annual volume is met. 
  

	2.5	Section 2.5 of the Supply Agreement shall be deleted in its entirety and the following shall be inserted in its place and stead: 

On written notice of such Purchase Shortfall to Baker by Supplier, Baker shall have *** after the month of the Purchase Shortfall to purchase tonnage of
Product in excess of the Initial, Secondary or Final Monthly Minimum Requirement as applicable (but subject to the Monthly Maximum Supply Availability) to make up for the Purchase Shortfall. If Baker fails to purchase the full amount of the Purchase
Shortfall in such *** period, Baker shall be obligated to pay to Supplier an amount equal to the amount of the Purchase Shortfall not purchased by Baker in such *** period (expressed in tons) multiplied by *** (the “Makewhole Payment”).
The Makewhole Payment shall 

  
 pg. 3

 SPECIFIC TERMS IN THIS EXHIBIT HAVE BEEN REDACTED BECAUSE CONFIDENTIAL TREATMENT OF THOSE TERMS HAS BEEN
REQUESTED. THE REDACTED MATERIAL HAS BEEN SEPARATELY SUBMITTED TO THE SECURITIES AND EXCHANGE COMMISSION, AND THE TERMS HAVE BEEN MARKED AT THE APPROPRIATE PLACE WITH THREE ASTERISKS (***). 

 
 
be paid as liquidated damages and not as a penalty, within *** of written demand by Supplier by wire transfer of immediately available funds to the account designated in writing by Supplier. The
aggregate Purchase Shortfall amount for a Contract Year shall not exceed the Initial, Secondary or Final Minimum Purchase Requirement for such Contract Year, as applicable, less the amount of Product ordered and delivered to Baker. Baker reserves
the right to resell goods purchased from Supplier if deemed necessary by Baker in order to satisfy the Initial, Secondary or Final Minimum Purchase Requirement. Supplier shall not be obligated to deliver more than the Monthly Maximum Supply
Availability on any given calendar month. 
  

	3.	Duration and Termination 

 8.1
Section 8.1 of this Supply Agreement shall be deleted in its entirety and the following shall be inserted in its place and stead: 

Term. This Agreement shall be deemed to become effective on the Effective Date and shall continue in effect through April 30, 2018 (such
period being referred to herein as the “Primary Term”), unless earlier terminated as provided herein. This Agreement may be extended beyond the Primary Term by mutual written agreement of the Parties. 

9. Ratification. Except as expressly provided in this First Amendment, all of those terms and provisions of the Supply Agreement shall remain
unchanged by reason of this First Amendment. Except as provided herein, the Supply Agreement hereby ratified, confirmed and continued in full force and effect. 
 10. Counterparts. This First Amendment may be executed in Counterparts in which case all such counterparts taken together shall constitute the same instrument which is binding upon all parties
hereto not withstanding that all parties are not signatories to the original or such counterpart. Facsimiles and PDF/Adobe Acrobat signatures shall be treated as originals. 
 [Signature Page Follows] 

  
 pg. 4

 IN WITNESS WHEREOF, the parties have executed this Agreement. 

 

			
	BAKER:
	BAKER HUGHES OILFIELD OPERATIONS, INC.
		
	By:	 	 /s/ Authorized Person

	Name:	 	Authorized Person
	Title:	 	Authorized Officer
	Date:	 	10 May 2012
	
	SUPPLIER: HI-CRUSH OPERATING LLC
		
	By:	 	 /s/ James M. Whipkey

	Name:	 	James M. Whipkey
	Title:	 	CEO
	Date:	 	10 May 2012

  
 pg. 5

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