Document:

EX-10.17

 Exhibit 10.17 

Confidential Materials omitted and filed separately with the 

Securities and Exchange Commission. Double asterisks denote omissions. 

ZTE/Acacia Confidentialp 

 
 Agreement No:    

 ZTE Kangxun Telecom Co. Ltd 

GENERAL CONDITIONS OF PURCHASE 

(Applicable for Purchasing from Overseas Suppliers) 

  

					
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 GENERAL CONDITIONS OF PURCHASE 

 

							
	 1.
	 	 Buyer and Other Definitions
	  	 	4	  
			
	 2.
	 	 Acceptance and Terms and Conditions:
	  	 	4	  
			
	 3.
	 	 Purchase Order
	  	 	4	  
			
	 4.
	 	 Shipping Information
	  	 	5	  
			
	 5.
	 	 Terms of Payment
	  	 	5	  
			
	 6.
	 	 Terms of Delivery
	  	 	6	  
			
	 7.
	 	 Lead Time
	  	 	6	  
			
	 8.
	 	 PO Reschedule and Cancel
	  	 	6	  
			
	 9.
	 	 Tender/Bid
	  	 	6	  
			
	 10.
	 	 Pricing
	  	 	7	  
			
	 11.
	 	 Forecast and Inventory
	  	 	8	  
			
	 12.
	 	 Delivery
	  	 	8	  
			
	 13.
	 	 Inspection, Acceptance and Rejection
	  	 	9	  
			
	 14.
	 	 Quality Control and Quality Issues Handling
	  	 	10	  
			
	 15.
	 	 Spate Parts and Service
	  	 	12	  
			
	 16.
	 	 NPI (New Product Introduction)
	  	 	12	  
			
	 17.
	 	 License Grant (Not applicable for hardware purchase only)
	  	 	12	  
			
	 18.
	 	 Software Updates and Upgrades (Not applicable for hardware purchase only)
	  	 	13	  
			
	 19.
	 	 Important Information Exchange
	  	 	13	  
			
	 20.
	 	 Trademarks
	  	 	13	  
			
	 21.
	 	 Warranties
	  	 	13	  
			
	 22.
	 	 Publication
	  	 	15	  
			
	 23.
	 	 Records and Audits
	  	 	15	  
			
	 24.
	 	 Default and Indemnifications
	  	 	15	  
			
	 25.
	 	 Product/Process Change Notice (“PCN”)
	  	 	17	  
			
	 26.
	 	 Product Recall
	  	 	18	  
			
	 27.
	 	 Non-Infringement of Intellectual Property Rights
	  	 	19	  
			
	 28.
	 	 Intellectual Property Rights
	  	 	20	  
			
	 29.
	 	 Non-Assignment
	  	 	20	  
			
	 30.
	 	 Confidentiality
	  	 	20	  
			
	 31.
	 	 Force Majeure
	  	 	21	  
			
	 32.
	 	 Disputes Resolution
	  	 	21	  
			
	 33.
	 	 Applicable Laws
	  	 	22	  

  

					
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	 34.
	 	 Effective Period, Modification and Termination
	  	 	22	  
			
	 35.
	 	 Entire Agreement
	  	 	24	  
			
	 36.
	 	 Limitation of Liability
	  	 	24	  
			
	 37.
	 	 Terms of [**]
	  	 	25	  
			
	 38.
	 	 Appendixes
	  	 	25	  

  

					
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 GENERAL CONDITIONS OF PURCHASE 

This “General Conditions of Purchase” (also referred to as, the “Agreement”) is made as of October
    , 2010 (the “Effective Date”) by and between ZTE Kangxun Telecom Co. Ltd., with its registered address at Plant No. 1, Da Mei Sha, Yan Tian District, Shenzhen, P.R.China (hereafter
“Buyer”) and Acacia Communications, Inc., with its registered address at Three Clock Tower Place, Suite 210, Maynard, MA 01754, USA (hereafter “Supplier”). 

 

	1.	Buyer and Other Definitions 

 In the General Conditions of Purchase, Buyer is defined as
ZTE Kangxun Telecom Co. Ltd. 
  

	2.	Acceptance and Terms and Conditions: 

 This “GENERAL CONDITIONS OF PURCHASE”,
including any exhibit contained herein, along with the Framework Contract or Purchase Contract and Purchase Order (PO) as stipulated in Section 9 Tender/Bid, shall be deemed collectively as a Contract. Written acceptance of the PO or
commencement of performance of the work specified in the PO shall be deemed acceptance of the Contract. This “GENERAL CONDITIONS OF PURCHASE” does not, expressly or impliedly, constitute an acceptance by Buyer of any Supplier’s offer
to sell, quotation, or proposal, nor any intent or indication by Buyer to be bound by any such offer, quotation or proposal. Buyer is not committed to purchase any products, equipment and/or services (the “Product(s)”) except for such
Products and in such quantity as may be specified in PO. ANY AMENDMENT hereto SHALL BE signed by representatives duly authorized BY BOTH PARTIES IN WRITING. 
  

	3.	Purchase Order 

 (a) The detailed purchase items are stipulated in the PO. The items
include, but are not limited to: PO number, Buyer’s Part/Number (P/N), Supplier’s P/N, Product name, specification, quantity, price, delivery time. Supplier shall sign and stamp the received PO to confirm acceptance, and send it back to
Buyer within [**] working days after the PO is received and then Buyer will stamp the PO. The PO will become effective after Buyer has stamped it. Supplier shall not reject any PO which complies with the terms and conditions in this document. Each
party agrees that the delivery of the PO by facsimile shall have the same force and effect as delivery of original PO with signatures and that each party may use such facsimile signatures as evidence. In such case, the Supplier shall deliver the
accepted PO with original signature to the Buyer after facsimile. 

  

					
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 (b) In the event Supplier fails to accept or reject the PO within the agreed upon time frame
or gives no response on Buyer’s documental inquiry within [**] days period on more than [**] occasions during any consecutive [**] months period, Buyer reserves the right to terminate the Contract. 

 

	4.	Shipping Information 

 The shipping information is as follows: 

 

	 	(a)	Ship-to address: [**] 

  

	 	(b)	Bill-to address: [**] 

  

	5.	Terms of Payment 

 The terms of payment will be T/T [**] days after Buyer’s Delivery
Inspection. (after month close). In the event Supplier has not received payment as agreed, Supplier will notify Buyer to make prompt payment. One original and two copies of invoices are required by Buyer for each shipment. The invoices shall be made
by Supplier itself and attached to the delivered goods. The information showed on the invoice shall include, without limitation: Supplier name, PO number, Buyer P/N, Supplier P/N, Products name, quantity, unit price, total amount, currency and
receiving bank account. All amounts due hereunder shall be paid in US dollars at Supplier’s address (or, at its option, to an account specified by Supplier). 

  

					
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	6.	Terms of Delivery 

 [**] 

The terms shall be subject to the “International Rules for the Interpretation of Trade Terms” (INCOTERMS2000) provided by
International Chamber of Commerce (ICC) unless otherwise stipulated herein. 
  

	7.	Lead Time 

 Buyer shall place PO in advance according to the lead time agreed upon
mutually between the parties. Supplier shall try to reduce lead time as much as possible. In the event Buyer places PO of which regular lead time is not enough due to urgent demand, Supplier shall do its best to meet Buyer’s demand. If the
delivery cannot be available with Supplier’s effort, Supplier will show the earliest delivery date on the PO when it is accepted. 
  

	8.	PO Reschedule and Cancel 

 Buyer can reschedule or cancel the unimplemented PO outside
the PO reschedule and cancel windows [**]. Reschedule window is a period of time before the confirmed delivery date for a specific PO, within which the Buyer cannot reschedule the PO. Cancel window is a period of time before the confirmed delivery
date for a specific PO, within which the Buyer cannot cancel the PO. 
 The lead time, reschedule and cancel windows might be different in
respect of different product family offered by Supplier, a detailed table which stipulates the specific lead time, reschedule and cancel windows of different product family will be attached as Appendix 1 of this “General Conditions of
Purchase”. 
  

	9.	Tender/Bid 

 (a) According to forecast quantity in a period, Buyer allocates supply share
by means of competitive bidding. The evaluating factors include but not limited to Supplier’s Product price, historical quality record, and delivery and service performance. 

(b) Considering the bidding results, and/or upon agreement by negotiation, Buyer and Supplier may sign a framework contract (“Framework
Contract”) or purchase contract (“Purchase Contract”). The Framework Contract or Purchase Contract shall be based on this “General 

  

					
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Conditions of Purchase”. The parts list, forecast quantity, and price will be stipulated in the Framework Contract or Purchase Contract. Each specified PO Buyer places to Supplier will be
governed by the Framework Contract or Purchase Contract and the General Conditions of Purchase except otherwise specified in this Contract or agreed upon by both parties in writing. 

(c) Once Supplier gets bidding share, Supplier shall implement it and non-fulfillment is not allowed. 

 

	10.	Pricing 

 (a) Supplier offers Products to Buyer according to price in PO. The price
stipulated in PO is the only basis for which the Buyer pays Supplier, and is not amendable unilaterally. Both parties agree to keep the PO price confidential according to the terms of the Non-Disclosure Agreement currently in effect. 

(b) Quotation must be offered by the persons authorized by Supplier in the way acceptable to Buyer. The prices quoted shall constitute the
entire consideration to Supplier for the Products and their boxing, crating and other packaging. Shipping terms will be included with the quotation and no other charge shall be made therefore. The quotation Supplier offers to Buyer should be based
on honesty. 
 (c) [**]. 
 (d)
If actual quantity of goods purchased by Buyer grows far beyond the quantity of goods forecast by Buyer, Buyer has the right to ask Supplier to adjust the price to a more favored level. 

(e) Supplier agrees if Supplier reduces its price to bid during the bidding organized by Buyer, when the bidding project is closed, the price
of the material in Supplier’s all unfulfilled POs under which the Supplier has not delivered the Products to the designated address shall be updated to the lower price bid by the Supplier. The updating will be done automatically by Buyer’s
IT system. After price updating, both parties shall perform the POs with the updated price. 
 (f) The Price mentioned above is applicable
for all the Purchase Orders issued by the Buyer with respect to the Products covered under this Agreement during the term. Buyer shall have the right to review with the Supplier, the Unit Prices/Prices and arrive at freshly mutually agreed Unit
Price/Prices for any Subsequent Purchase Order(s). However such right to review the 

  

					
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Prices shall only be with Buyer and Buyer if so desirous may issue Subsequent Purchase Orders at the Price already being agreed for which the Supplier agrees not to raise any objections with
respect to said level of pricing. 
  

	11.	Forecast and Inventory 

 (a) Buyer provides Supplier with a [**] weeks’ rolling
forecast which is updated [**]. The forecast information Buyer provides to Supplier is only for reference usage and shall in no event be construed as an obligation of purchase. 

(b) Supplier shall be well prepared for each forecasted delivery item, and maintain buffer inventory for long lead time parts to ensure
meeting Buyer’s normal and urgent demand. 
 (c) In the event Buyer requires Supplier to set up VMI (Vendor Managed Inventory) or JMI
(Joint Managed Inventory), Supplier shall do its best to meet Buyer’s requirement. 
  

	12.	Delivery 

 (a) Time is of the essence under this Contract. Except for Buyer’s
written consent, the delivery time cannot be delayed. Delivery in advance shall be no more than [**] days prior to the delivery date, relating to every specific PO, stated in Buyer’s e-business website.

 (b) Supplier agrees to prepare all documents and materials regarding law, regulation, import/export license, and other administration
needed for shipping Products to the delivery place stipulated in Section 6. When make each shipment, Supplier should login Buyer’s e-business website to feedback shipment information. For avoidance of doubt, as the Products may need to
[**], the Supplier is required to deliver the Products [**] at the place stated in Section 6. The Supplier should obtain any necessary export license or other documentation prior to the delivery of Products and inform the Buyer of such
information. The Buyer should provide necessary assistance for the Supplier’s application. 
 (c) If Supplier for any reason
anticipates that deliveries will not be made as required, it shall immediately give Buyer written notice setting forth the details and plan for corrective action. Such data shall be informational only and shall not be construed as a waiver by Buyer
of any delivery schedule or of any such rights or remedies. If delay or inability to perform arises from interruption of supply or scarcity of raw materials or parts used by Supplier, Buyer’s orders shall be given priority in production
scheduling to the same extent as Supplier’s other strategic partners. 

  

					
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 (d) Once Products have passed Buyer’s Delivery Inspection, which will be promptly
confirmed and publicized on the Buyer’s website, ownership and risk of Products shall be transferred to Buyer. 
 (e) All Products
shall be packed by Supplier in suitable containers with sufficient protection together with proper and necessary marks during shipment and storage. The package shall be reasonably suitable to prevent Products from damages caused by moisture,
vibration or contamination. The marks shall include but not limited to shipping mark, Indicative Mark, Warning Mark. Supplier will be liable for any damages to the Products prior to delivery due to insufficient packaging or improper marks by
Supplier. 
 (f) Supplier is required to print Buyer’s barcode labels from Buyer’s e-business website and stick them to the
minimum packages of delivered goods. Information on Supplier’s container labels will include, without limitation: Supplier name, Supplier P/N, Buyer P/N, PO number, production lot number, quantity, weight, carton number. Products delivered
shall be attached with packing list and three copies of invoices. 
  

	13.	Inspection, Acceptance and Rejection 

 (a) All Products covered by this Contract shall be
received subject to Buyer’s right of inspection, count, testing (which shall be completed within [**] working days after delivery, “Delivery Inspection”), and rejection in accordance with Section 13(c). Supplier shall provide and
maintain inspection/quality and process control systems reasonably acceptable to Buyer for production of the Products. Records of all inspections by Supplier shall be kept complete and available to Buyer during the performance of this Contract or
for such longer period as may be required by law. Buyer may inspect Products at Supplier’s plant and any other place of manufacture at any time without waiving its right subsequently to reject or revoke acceptance of such Products for any
defects. 
 (b) Delivering Products to Buyer doesn’t mean Buyer’s final acceptance. The Products are just in a stage of delivery
inspection according to respective specifications and criteria. Payment for Products delivered hereunder shall not constitute acceptance thereof, and all 

  

					
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payments against documents shall be made with a reservation of rights by Buyer for defects in Products or documents, including, without limitation, defects apparent on the face thereof. Failure
of Buyer to inspect shall not relieve Supplier from any of its responsibilities hereunder. Buyer, at its expense, shall furnish, or cause to be furnished, facilities and assistance reasonably necessary to ensure the safety and convenience of any
such inspections. 
 (c) When the Products do not pass delivery inspection, Buyer shall inform Supplier the delivery inspection result
within [**] working days following the Products receiving date. For avoidance of doubt, passing the delivery inspection including the LAR (Lots Accepted Rate) inspection only means the Buyer’s acceptance on the package and quantity of Products,
and does not constitute the Buyer’s acceptance on the quality of Products and will not relieve Supplier of any inability for defects. 

For the product that Supplier provides to Buyer in batch, LAR shall be no less than [**]%. 

 

			
		
	LAR =	  	 Number of qualified batches in IQC during each statistic period

	  	Number of delivery batches during each static period

 IQC: Incoming Quality Control. 

If any of the Products are found at any time, whether during or after examination, to be defective in design, materials or workmanship or
otherwise to be not in conformity with the requirements of this Contract, including any applicable specifications, samples, drawings, designs, plans or instructions, Buyer, in addition to such other rights as it may have under this Contract, at law
and/or in equity, at its option may: (a) reject the whole batch and Supplier shall be liable for recovery and replacement of Products within [**] working hours; (b) require Supplier to inspect Products and remove and replace nonconforming
Products with Products conforming to this Contract. Buyer may at its option inspect, sort, remove, correct and replace such Products and Supplier shall pay the actual cost thereof. If any Products are rejected, Buyer will deduct from the current
invoice of Supplier the cost of rejected Products. 
  

	14.	Quality Control and Quality Issues Handling 

 (a) In the event quality problems of
Products are found, whether in production or application, Supplier shall respond within [**] working hours, feedback the action plan within [**] working hours and provide failure analysis report within [**] working days. Supplier will

  

					
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replenish the material firstly and make efforts not to impact Buyer’s production and application. Then Supplier shall conduct failure analysis on defect samples and provide Buyer the failure
analysis report and corrective action report. 
 (b) Supplier shall provide and maintain an inspection/quality control system reasonably
acceptable to Buyer covering the Products and shall tender to Buyer for acceptance only Products that have been inspected in accordance with the inspection system and have been checked by Supplier to be in conformity with Order requirements. 

(c) Supplier shall combine the quality target required by Buyer with the aims of ISO9000 quality management system, implement internal control
and evaluate the rationality and perform ability of the quality target annually, and upon request, feedback the evaluation result to Buyer. 

(d) When necessary, Buyer may audit Supplier’s quality assurance system on Supplier’s premises, and Buyer shall comply with all
security, safety and confidentiality requirements applicable to such facility. Supplier shall furnish, without additional charge, all reasonable facilities and assistance for the auditing personnel to perform their duties safely and conveniently.

 (e) Supplier shall permit and obtain from its sub-suppliers the right for Buyer or its agents to enter Supplier’s and
sub-suppliers’ premises at reasonable times to determine Supplier’s adherence to this Contract, and Buyer shall comply with all security, safety and confidentiality requirements applicable to such facility. This provision shall include the
right to inspect and test all Products, tooling and workmanship. However, the failure of the Buyer to test or inspect will neither relieve Supplier of any liability for defects, nor create any liability on the part of Buyer for non-inspection. 

(f) Buyer’s testing of any kind of Products, whether for performance or reliability, shall not negate, diminish or relieve
Supplier’s obligation or responsibility existing at law or under this Contract. 

  

					
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	15.	Spare Parts and Service 

 Supplier shall guarantee that all spare parts, module or goods
required for the Products will be produced or available in the market for a minimum period of [**] years from the date of passing the inspection. 

Supplier shall provide Buyer the technical service and support, which include, without limitation: samples, Products technical document,
quality certification, training, technical consulting, necessary develop tools and software. In the event Buyer requests the technical service and support, Supplier shall respond within [**] working hours. 

 

	16.	NPI (New Product Introduction) 

 (a) Sample: Before providing sample, Supplier shall
ensure that every index is in accordance with the specification (including the local and international industry standard or the specification from Buyer), except special indication by Buyer with written record. The specification and test report
including sample’s dimension, index, performance and reliability shall be provided with the sample. 
 (b) Pilot Run: After the sample
having been approved with the sample approval report, Supplier shall do the trial-production for pilot to evaluate the working procedure capability. After eligibility is confirmed, the trial-production sample shall be provided to Buyer for
confirming. The specification and test report including sample’s dimension, index, performance and reliability shall be provided with the trial-produce sample. 

(c) Batch Approve: Supplier warrants that the batch production will be held until the sample and trial-production product have been approved
by Buyer. The quality of the batch product shall not be lower than that of the sample. 
  

	17.	License Grant (Not applicable for hardware purchase only) 

 Subject to the terms and
conditions in the Contract, Supplier hereby grants Buyer a non-exclusive, worldwide, non-transferable license to: 
  

	 	(i)	Use and copy Internally licensed software solely in order to perform this Contract; 

  

	 	(ii)	Use, make, import, offer for sale, sublicense, sell or otherwise commercially distribute such license software world-wide to Buyer’s customers; 

  

					
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 Other than the specific license granted herein, Licensee has no rights, by license or
otherwise, to use, copy, sublicense, duplicate and/or distribute the licensed software, in whole or in part. 
  

	18.	Software Updates and Upgrades (Not applicable for hardware purchase only) 

 (a) Software
Maintenance Updates. Supplier shall provide Buyer [**] software maintenance updates (i.e. bug fixes) during the warranty period. Supplier shall supply Buyer software maintenance updates in electronic format suitable for dissemination by Buyer via
the internet and CD ROM. During the warranty period, whenever a software maintenance update requires the use of a software upgrade, Supplier, at its option, will provide Buyer either with the patch allowing such software maintenance update or with
the software upgrade [**]. 
 (b) Software Upgrade Releases. New software upgrade releases for the Supplier’s Products will be offered
to Buyer [**] during the warranty period and at prices negotiated and agreed upon in good faith between the Parties after expiration of the warranty period. 
  

	19.	Important Information Exchange 

 Both Supplier and Buyer will notify each other in
writing immediately when event occurs which may impact significantly the implementation of the Contract hereunder. Both parties shall make efforts to reduce any losses to each other. 

 

	20.	Trademarks 

 The names and trademarks of each party and its affiliates shall remain the
sole and exclusive property of that party or its affiliates and shall not be used by the other party for any purpose whatsoever unless authorized expressly by the owning party. 

 

	21.	Warranties 

 Supplier warrants that: 

(a) All Products will be free of any claim of any nature by any third party and that Supplier will convey unencumbered and clear title to
Buyer; 

  

					
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 (b) All documents and information provided to Buyer relating to Products delivered hereunder
are real and correct; 
 (c) All Products sold to Buyer will be new, merchantable, fit and sufficient for Buyer’s particular purpose
and will contain new parts and components and be free from all defects, whether latent or patent, in design, workmanship and materials, and shall comply with all applicable national, state and local laws, rules and regulations to which it is, or
becomes subject, that are specifically identified in the PO. 
 (d) All Products delivered hereunder will comply with related standards of
safety, and related standards of environment protection, including but not limited to, not containing and not manufactured using ozone depleting substances as defined by the Montreal Protocol and as required by the RoHS Directive. “RoHS
Directive” means Directive 2002/95/EC on the Restriction of the Use of Certain Hazardous Substances in Electrical and Electronic Equipment, O.J. (L 19) (Jan. 27, 2003), as amended, and applicable European Union Member State implementing
legislation and regulation, as may be amended or modified from time to time. 
 (e) Supplier further warrants that all Products will
strictly conform to the Specification, for a period of [**] months from Delivery Inspection by Buyer. Any goods repaired or replaced or service re-performed under this provision shall be warranted for a period of another [**] after re-delivery. 

(f) The above warranties shall be deemed to cover the Products which are procured by Supplier from its sub-suppliers. To the maximum extent
permitted, Supplier hereby extends to Buyer any and all warranties received from Supplier’s sub-suppliers and agrees to enforce such warranties on Buyer’s behalf. All of Supplier’s warranties shall run collectively and separately to
Buyer, its successors, and permitted assigns, customers and users of Products sold by Buyer. 
 (g) The foregoing warranties shall survive
Buyer’s inspection, acceptance, sale and use of the Products. The warranties contained in this section shall be in addition to, and shall not be construed as restricting or limiting any warranties or remedies of Buyer which are provided by
contract or law. 
 (h) These warranties shall not apply to any Product that was (a) used, handled, transported, operated, maintained
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exclusively due to such verifiable improper use, handling, transportation, operation, maintenance or storage, or in any manner not in accord with Supplier’s written instructions or industry
standard practices or (b) repaired, altered or modified other than by Supplier or its authorized agents. 
 (i) EXCEPT AS SPECIFICALLY
PROVIDED IN THIS SECTION 21, ALL PRODUCTS AND SERVICES ARE PROVIDED “AS IS” WITHOUT WARRANTY OF ANY KIND. SUPPLIER HEREBY DISCLAIMS ALL OTHER WARRANTIES, EXPRESS OR IMPLIED, ORAL OR WRITTEN, INCLUDING WITHOUT LIMITATION, ALL IMPLIED
WARRANTIES OF MERCHANTABILITY OR FITNESS FOR ANY PARTICULAR PURPOSE AND ALL WARRANTIES ARISING FROM ANY COURSE OF DEALING OR PERFORMANCE OR USAGE OF TRADE. 
  

	22.	Publication 

 Without Buyer’s prior written consent, Supplier shall not advertise,
promote, or publish the fact that Buyer has contracted to purchase Products from Supplier, not disclose information relating to this Contract and not use the name of Buyer or any of Buyer’s customers in advertising or any other publications.

  

	23.	Records and Audits 

 Buyer has the right at any reasonable time and upon reasonable
notice to verify any data Supplier has submitted under this Contract, including requesting financial information of Supplier, its sub-suppliers and its affiliates. 
  

	24.	Default and Indemnifications 

 (a) The Buyer reserves the right, without inability, to
take any or all of the following actions if for any reason Supplier does not comply with substantially its delivery obligations: (i) Terminate the unfilled relevant items on PO without any payment; (ii) Terminate the unfilled relevant
items on PO, purchase replacements for the unfilled relevant items on the PO elsewhere and Supplier will be liable for actual and reasonable additional procurement costs that Buyer incurs; (iii) Require Supplier to specify faster freight,
and/or to do whatever is necessary to avoid the delay, and to pay any and all transportation charges, concessions to Buyer’s customers, liquidated damages, and any other costs and expenses incurred by Buyer; (iv) Charge 0.1% of the total
amount of each Purchase Order as liquidated damages for each day delayed;(v) Claim for other losses and damages that cannot be covered by the liquidated damages and take other actions that is lawful, fair and in accordance with this Contract. 

  

					
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 (b) In the event Products fail to meet the Specification, or the defect rate is higher than
the respective criteria, or is not in accordance with the warranty, Buyer reserves the right to choose a remedy measure (repairing Products, replacing Products or refunding payments). Supplier should send the repaired or replaced Products to Buyer
in time and be responsible for the charges needed. If Supplier cannot repair or replace the Products promptly, Buyer reserves the right to dispose of the Products or return them, and Supplier should refund the Buyer the contract amount of such
Products and indemnify Buyer for actual and reasonable costs and charge of disposal and return. Supplier is liable to take back the rejected Products from Buyer’s warehouse, and Buyer shall render reasonable access, cooperation and assistance.

 (c) In the event Supplier’s Products fail to pass Buyer’s inspection and Supplier can not replenish the needed quantity in
time, Buyer may make a waive decision and ask for a price discount from Supplier. 
 (d) In the event Supplier’s Products cause
economic loss to Buyer and is confirmed as quality problem that Supplier’s Products can not meet the Specification, Buyer reserves right to claim for damages for bodily injury and damages to real property and tangible personal property due to
quality problem. 
 (e) In the event loss has been brought or will be brought to Buyer because of Supplier’s failure to execute the
warranty specified in item 21 of this “General Conditions of Purchase”, Buyer reserves the right to claim for compensation from Supplier in relation to non-conforming Products, and terminate the Contract and any unimplemented PO. 

(f) Should Supplier breach any section of this Contract, including any delay in shipping resulted from the fault or negligence of Supplier,
Buyer shall have the right immediately to terminate this Contract without further obligation or liability and shall have all remedies available to it under this Contract, at law, or in equity. If Buyer fixes an additional period for Supplier to cure
such breach, Buyer may exercise the right above after the expiration of the period if that breach remains uncured. 

  

					
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 (g) The Buyer is entitled to take any or all of the above remedies according to real
situation. The foregoing right should not limit Buyer’s other legal remedy under contract and/or applicable law, subject to all terms and conditions of this Contract. 
  

	25.	Product/Process Change Notice (“PCN”) 

 (a) Supplier shall notify Buyer through
Buyer’s PCN platform [**] of any and all proposed changes in design, material, procedure, specification, test method, plant location, packing and shipping for Product, With Buyer’s consent (which consent shall not be unreasonably delayed,
conditioned or withheld) the changes may be implemented and it shall be noted on the bill of delivery for the [**] times. 
 PCN notice
shall include but not limit to: PCN number, release date; Specific reason for changes in detail; Explanation for changes and its affect in detail; Date of take effect; P/N list of being affected material; Supplier’s data and report for changes;
Demands for customers’ feedback; Data for providing the changed sample; The last date of receiving an order, the last date of shipment, and the attached items in the last PO; Complaint or feedback method for customer. 

PCN including the changes in material, its relative data and information should keep in accordance with the following PCN procedure: 

1) Discontinue the manufacture and/or sale of any Product: Supplier shall give the notice about the information at least [**] months in
advance. 
 2) Update of version or model: Supplier shall give the notice about the information at least [**] months in advance. 

3) Changes in production plant: Supplier shall give the notice about the information at least [**] months in advance. 

4) Changes in main process or procedure: Supplier shall give the notice about the information at least [**] in advance. 

5) Changes in main equipment or facility: Supplier shall give the notice about the information at least [**] in advance. 

6) Supplier shall give notice about the reproduction at least [**] in advance if the equipment or facility is out of use for more than [**]
months. 

  

					
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 7) Changes in main raw material or accessories: Supplier shall give the notice about the
information at least [**] in advance. 
 8) Changes in design or parameter: Supplier shall give the notice about the information at least
[**] in advance. 
 9) Changes in appearance (including outlook, size, tolerance, color, logo, surface material, packing, etc.), Supplier
shall give the notice about the information at least [**] in advance. 
 10) Changes in RoHS or environment protection: Supplier shall give
the notice about the information at least [**] months in advance. 
 11) Changes occasionally: The notice about the information shall be
given before delivery at latest. 
 12) Other Changes for inform: The notice about the information shall be given before delivery at latest.

 The Supplier shall comply with the PCN procedure timely and strictly. In case any damages arising, which related to the product quality
and/or delivery and/or service of Buyer, is due to the Supplier’s non-performance and/or improper performance of its obligation under this section, the Supplier should compensate such damages to the Buyer. For avoidance of doubt, Buyer is
entitled to claim for its damages due to Supplier’s changes occasionally or other changes for inform as mentioned above in this section 25. 
  

	26.	Product Recall 

 If any Product are determined by Supplier, Buyer or any governmental
agency or court to contain a defect or a quality or performance deficiency, or not be in compliance with any standard or requirement so as to make it advisable that such Product be reworked or recalled, Supplier or Buyer will promptly communicate
relevant facts to each other and shall undertake to develop and implement a mutually agreeable corrective action, provided that Buyer shall cooperate with and assist Supplier in any necessary filings and corrective action, and provided that nothing
contained in this section shall preclude Buyer from taking such action as may be required of it under any such law or regulation. Where applicable, Supplier shall pay all reasonable expenses associated with determining whether a recall or rework is
necessary. Supplier shall perform all necessary repairs 

  

					
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or modifications at its sole expense, except to any extent Supplier and Buyer agree to the performance of such repairs by Buyer upon mutually acceptable terms. The parties recognize that it is
possible that other Supplier-manufactured products might contain the same defect or noncompliance condition as do Products manufactured for Buyer. Each party shall consult the other party before making any statements to the public or a governmental
agency relating to potential safety hazards affecting Products, except where such consultation would prevent timely notification required by law. 
  

	27.	Non-Infringement of Intellectual Property Rights 

 Supplier warrants that Products do not
infringe any patent, copyright or other intellectual property tight of any third party. Supplier shall hold Buyer harmless against and handle, defend or settle any claim, demand, suit or proceeding brought against Buyer or Buyer’s customers
that is based on an allegation that any article, apparatus, material, component or part thereof constituting Products, as well as any article, device or process resulting from the intended use thereof or any process or method furnished by Supplier
for making or using Products, constitutes an infringement of any patent, copyright or other intellectual property right, and Supplier shall pay all damages and costs awarded therein or all costs incurred and payment due in settlement thereof,
including but not limited to any royalties due for the continuing purchase of, or use of Products from Supplier. Notwithstanding the above, if any article, apparatus, material, component or part thereof, or any device or process necessarily
resulting from the use thereof or process or method for using Products, is held in such suit or proceeding to constitute infringement or misappropriation and the manufacture, sale or use of the article, apparatus, material, component, part, device,
process or method is enjoined, Supplier shall, at its own expense and at Buyer’s option: (i) obtain for Buyer the rights to continue using or selling the article, apparatus, material, component, part, device, process or method;
(ii) if the form, fit, function or performance thereof will not be materially adversely affected, replace it with a non-infringing article, apparatus, material, component, part, device, process or method ; (iii) if the form, fit, function
or performance thereof will not be materially adversely affected, modify it so it becomes non-infringing; or (iv) remove the article, apparatus or material or component and refund the purchase price and the transportation and installation costs
thereof. The foregoing shall be in addition to and shall not be construed as restricting or limiting, any of the foregoing remedies of Buyer. All authors have waived all their rights to the Products and Services’ integrity and to be associated
with them as authors. 

  

					
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	28.	Intellectual Property Rights 

 As between the parties, Supplier shall own and retain all
tights, title and interests (including without limitation, all patent rights, copyright rights, trade secret rights and other intellectual property and proprietary rights) embodied in the Products, Specification and other Supplier Confidential
Information except to the extent expressly licensed to Buyer in accordance with Contract or any other written agreement between both Parties. Buyer agrees not to take any action inconsistent with such ownership subject to all terms and conditions of
this Contract. 
  

	29.	Non-Assignment 

 Supplier shall not assign this Contract, or any interest, right or
obligation created hereby or any payment due or to become due hereunder without Buyer’s written consent (not be unreasonably delayed or withheld), except no consent will be required for any assignment due to sale of assets or equity, merger,
consolidation or otherwise and (a) Supplier notifies Buyer in writing promptly after such assignment and (b) once assigned the successor/acquiring company agrees to honor this agreement and all obligations. Buyer may require that the
successor/acquiring company needs to re-qualify as an approved vendor with Buyer, qualification not to be unreasonably delayed conditioned or withheld (and if the successor/acquiring company is not so approved, then Buyer may terminate under
Section 34(d)(iii)). 
 Any attempt to make any other assignment by Supplier without Buyer’s written consent shall be null and
void. If Supplier or Buyer ceases to conduct its operations in the normal course of business (including inability to meet its obligations as they come due), or if any proceeding under the bankruptcy or insolvency laws is brought by or against
Supplier or Buyer, or a receiver for Supplier or Buyer is appointed or applied for or an assignment for the benefit of creditors is made by Supplier or Buyer, then upon at least thirty (30) days prior written notice, the other party may
terminate this Contract where allowed by law. 
  

	30.	Confidentiality 

 Any information furnished to Supplier by Buyer orally or in writing and
whether marked or not with a restrictive label, shall be held in strict confidence by Supplier and not disclosed by Supplier, and be protected in the same fashion as Supplier would protect its own proprietary information, and be used only to the
extent necessary to perform the PO. The confidentiality terms 

  

					
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in details are stipulated in the Non-Disclosure Agreement (“NDA”) which is signed by both parties and attached as Appendix 2. The existence, terms and related discussion of this
Contract should be deemed as Confidential Information. The Buyer may disclose Confidential Information to its employees, contractors, consultants, vendors and contract manufacturers, and also to the Supplier’s local agent and/or authorized
service provider as listed in Appendix 3, for the sole purpose of performing this Contract. Notwithstanding anything to the contrary herein (including Appendix 2), either Party may provide a copy of this Contract or otherwise disclose its terms in
connection with any financing transaction or due diligence inquiry, or if ordered by a government or court having jurisdiction over it. 
  

	31.	Force Majeure 

 Where the performance hereof is delayed, hindered by or is absolutely
impossible under the terms and conditions herein on account of Force Majeure”), including earthquakes, typhoon, flood, fires, war and other unexpected, irresistible or unavoidable forces in respect of their consequence or results, the party in
contingency shall inform the other party of such contingency by fax or telegram immediately and within [**] days present the other party valid documents signed by the notarial agency of the locale, or a certificate of the accident issued by the
government authorities or chamber of commerce at the place of such accident as evidence thereof, stating the details of the incident and proving it is impossible to perform whole or part of this Contract or that extension of time of performance
hereof is necessary. In case that this Contract is not able to be performed because of Force Majeure, the liabilities shall be exempted in part or wholly in light of the effects of Force Majeure. If the said Force Majeure lasts for [**] consecutive
days, either of the parties to the Contract shall have the right to terminate the Contract upon written notice to the other party, without incurring any inability under the said Contract. 

 

	32.	Disputes Resolution 

 (a) Any dispute arising from, or in connection with the Contract
shall be first settled through friendly negotiation by both Parties. In case no settlement to disputes can be reached through amicable negotiation by both Parties within a [**] day period beginning from the date when the request for settlement of
dispute is sent to the other Party, it shall be submitted to Hong Kong International Arbitration Center (“HKIAC”) for arbitration by three arbitrators under its rules in force at the time of application for arbitration. The place of
arbitration shall be in Hong Kong. 

  

					
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All proceedings shall be conducted, and the evidence shall be translated into English where applicable. The arbitral award is final and binding upon both Parties. The arbitration fees shall be
borne by the losing Party except otherwise awarded by the arbitration commission. 
 (b) To the fullest extent permitted by law, this
arbitration proceeding and the arbitrator’s award shall be maintained in confidence by the Parties so as to protect the relevant valuable information or intellectual property rights. 

(c) Notwithstanding any reference to arbitration, both Parties shall continue to perform their respective obligations under the Contract
except for those matters under arbitration. 
  

	33.	Applicable Laws 

 The Contract, including without limitation its conclusion, validity,
construction, performance and settlement of the disputes, shall be governed by the law of [**], without giving effect to the principles of conflict of law. [**]. 
  

	34.	Effective Period, Modification and Termination 

 (a) This “General Conditions of
Purchase” is effective for an initial period of one (1) years commencing on the Effective Date (the “Initial Term”). After the expiration of the Initial Term, this “General Conditions of Purchase” will continue to renew
for successive one (1) year terms until either party terminates it upon at least ten (10) days prior written notice. 
 (b) Any
modification of the terms and conditions of this “General Conditions of Purchase” shall be proposed by either party before the expiration due date by given [**] days written notice to the other. After agreed upon, the modification shall be
made and take effect thereafter. 
 (c) This Contract may be terminated at any time prior to the expiration date by a mutual written
Contract of the Parties. 
 (d) At any time prior to the expiration date, the Buyer may terminate this Contract through notice to the
Supplier in writing if: 
  

	 	(i)	The Supplier breaches this Contract, and such breach is not cured within [**] days after written notice from the Buyer of such breach; or 

  

					
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	 	(ii)	The Supplier becomes bankrupt, or is the subject of proceedings for liquidation or dissolution, or ceases to carry on business or becomes unable to pay its debts as they come due; or a third party legally confiscates or
takes over the Supplier s title or assets, or a receiver is designated to take control of the Supplier’s assets; or 

  

	 	(iii)	The Supplier assigns without Buyer’s consent in connection with a process of merger, consolidation, reorganization or transferring substantial assets and business to any individual or entity and, after such
transactions, the assignee or successor is not approved by ZTE as re-qualifying vendor (such re-qualification not to be unreasonably delayed conditioned or withheld) or 

 

	 	(iv)	The conditions or consequences of Force Majeure which have a material adverse effect on the Supplier’s ability to perform continue for a period in excess of [**] days and the Parties have not agreed on an equitable
solution; or 

  

	 	(v)	Supplier is in breach of Section 37 Terms of Exclusiveness. 

 (e) At any time prior to the
expiration date, the Supplier may terminate this Contract through notice to the Buyer in writing if: 
  

	 	(i)	The Buyer breaches any material provision of this Contract, and such breach is not cured within [**] days after written notice from the Supplier of such breach; or 

 

	 	(ii)	The Buyer becomes bankrupt, or is the subject of proceedings for liquidation or dissolution, or ceases to carry on business or becomes unable to pay its debts as they come due; or a third party legally confiscates or
takes over the Buyer’s title or assets without Buyer’s consent, or a receiver is designated to take control of the Buyer’s assets; or 

  

	 	(iii)	The conditions or consequences of Force Majeure which have a material adverse effect on the Buyer’s ability to perform continue for a period in excess of [**] days and the Parties have not agreed on an equitable
solution. 

  

					
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 (f) Notwithstanding the above, Section 20 (Trademarks), 21 (Warranties), 24 (Default and
Indemnifications), 26 (Product Recall), 27 (Non-Infringement of Intellectual Property Rights), 30 (Confidentiality), 32 (Disputes Resolution), 33 (Applicable Laws), 34 (Effective Period, Modification and Termination), 36 (Limitation of Liability),
and any other provision of this Contract and/or the obligation to its nature which shall survive, shall survive after termination of this Contract. 
  

	35.	Entire Agreement 

 (a) This “General Conditions of Purchase” will take effect
after having signed by authorized representatives of each party. This “General Conditions of Purchase” is in two (2) copies, each party hold one and each of the copy shall be deemed an original and has the same effectiveness. 

(b) This General Conditions of Purchase, Nondisclosure Agreement entered into by the parties, and anything referred and incorporated herein,
including all terms and conditions on the Framework Contract/Purchase Contract and PO and NDA, set forth the entire agreement between the parties as to the subject matter herein and supersedes any prior or contemporaneous agreements between the
parties, understandings, promises and representations made by one party to the other concerning the subject matter, written or oral. The headings of the sections of this General Conditions of Purchase are just for convenience and are not to be used
in interpreting. The order of precedence for resolution of conflicts is: 1) PO; 2) Framework Contract or Purchase Contract; 3) General Conditions of Purchase. Any amendment shall be agreed by both parties in writing. This Contract is in English
only, which language shall be controlling in all respects. No version of this Contract in another language shall be binding or of any effect. 
  

	36.	Limitation of Liability 

 TO THE MAXIMUM EXTENT PERMITTED BY APPLICABLE LAW, SUPPLIER
SHALL NOT BE LIABLE CONCERNING THE SUBJECT MATTER OF THIS CONTRACT, REGARDLESS OF THE FORM OF ANY CLAIM OR ACTION (WHETHER IN CONTRACT, NEGLIGENCE, STRICT LIABILITY OR OTHERWISE), FOR AGGREGATE DAMAGES, IN EXCESS OF EITHER 1) THE VALUE OF THE
PURCHASE ORDERS PLACED BY BUYER IN THE TWELVE(12) CONSECUTIVE MONTHS TILL A CLAIM IS MADE AGAINST BUYER OR; 2) FIVE (5) MILLION US 

  

					
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DOLLARS, WHICHEVER IS HIGHER FOR CALENDAR YEARS 2010, 2011 AND 2012, AND 1) THE VALUE OF THE PURCHASE ORDERS PLACED BY BUYER IN THE TWELVE(12) CONSECUTIVE MONTHS TILL A CLAIM IS MADE AGAINST
BUYER OR; 2) FIFTEEN (15) MILLION US DOLLARS, WHICHEVER IS HIGHER FOR CALENDAR YEARS AFTER 2012 EVEN IF SUPPLIERS HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS SHALL NOT APPLY WITH RESPECT TO: (I) A BREACH OF THIS
CONTRACT BY GROSS NEGLIGENCE OR INTENTIONAL MISCONDUCT; (II) LIABILITY ARISING FROM ARTICLE 27, RELATING TO INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHT; (III) A BREACH OF ARTICLE 30, RELATING TO CONFIDENTIALITY; (IV) A BREACH OF ARTICLE 37 RELATING
TO TERMS OF EXCLUSIVENESS; AND (V) DEATH OR PERSONAL INJURY. THESE LIMITATIONS ARE INDEPENDENT FROM ALL OTHER PROVISIONS OF THIS CONTRACT AND SHALL APPLY NOTWITHSTANDING THE FAILURE OF ANY REMEDY PROVIDED HEREIN. 

 

	37.	Terms of [**] 

 By way of this Contract [**]. Supplier [**] ZTE. [**]. 

Supplier acknowledges and agrees that its complete and full fulfillment of the provisions set forth in the paragraph above constitutes the
precondition and foundation for Buyer’s will to enter into this Contract. Breaches of this section will cause immeasurable damage to Buyer. In case of any violation of the provisions set forth in the paragraph above by Supplier, Buyer shall
have the right to take any and all remedies it deems necessary to recover its loss, which will be without prejudice to any of its rights under this Contract to claim any cost, loss, damages hereunder. 

Notwithstanding anything to the contrary herein, the provisions of this Section 37 shall terminate and be of no further effect upon the
earlier of (a) January 1, 2014 and (b) any expiration or termination of this Contract. 
  

	38.	Appendixes 

 Appendixes to this General Conditions of Purchase include: 

Appendix 1: Lead Time, Reschedule and Cancel windows Table 

  

					
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 Appendix 2: Non-Disclosure Agreement 

Appendix 3: List of Authorized Agent and/or Service Provider 

Appendix 4: Product Specification 

  

					
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 IN WITNESS WHEREOF, the parties by their duly authorized representatives have executed this
Contract as of the Effective Date first set forth above 
  

							
	Buyer	 		 	Supplier
			
	ZTE Kangxun Telecom Co., Ltd.	 		 	Acacia Communications, Inc.
			
	By:	 		 	By:
			
	 /s/ 
	 		 	 /s/ Raj Shanmugaraj

			
	(Signature)	 		 	(Signature)
				
	Name:	 		 	Name:	 	 Raj Shanmugaraj

	  
	 		 	(Typed Name)
	(Typed Name)	 		 		 	
				
	Title:	 		 	Title:	 	 President/CEO

	  
	 		 		 	
	Date:	 		 	Date:	 	10/26/10
	2010.12.3	 		 		 	

  

					
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 Appendix 1: Lead
Time, Reschedule and Cancel windows Table 
  
  

 APPENDIX 1: 

LEAD TIME, RESCHEDULE AND CANCEL WINDOWS TABLE 
  

							
	 	  	 	 	 Product Category
	  	 
	 	  	 Type
	 	 	  	 Products 2011

	Lead Time	  	Standard	 		  	[**]
	  		 		  	
	Reschedule Window	  	Standard	 		  	Multiple reschedules allowed for any Purchase Order, Buyer may extend (by up to [**] days) the delivery date(s) under an accepted PO, by giving written notice to Supplier at least [**] days prior to the initial delivery date for
that PO.
	  		 		  	
	Cancel Window	  	Standard	 		  	None
	  		 		  	

 The first [**] units purchased and delivered to ZTE are guaranteed under the Development Agreement negotiated with ZTE
Corporation (the “Development Agreement”). The first [**] units are to be delivered over the period from 2011 to [**]. These purchase orders will be non cancelable. The reschedule terms will be reschedule window [**] days prior to original
delivery date reschedule-able up to [**] days after original delivery date. This delivery can be rescheduled multiple times but deliveries will not extend beyond [**] days after the original schedule delivery date. Reschedule terms after the first
[**] units will be [**] notice for cancelation and [**] notice for reschedule. Lead time is quoted as follows: 
 [**] 

Note: [**]. 
 Except as expressly provided
above, Buyer may not cancel, reschedule or otherwise modify any order after acceptance, without Supplier’s prior written consent. 

  

					
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 Appendix 2:
Non-Disclosure Agreement 
  
  

 APPENDIX 2: NON-DISCLOSURE AGREEMENT 

This Agreement is made and entered into this day of October 2010 (“Effective Date”), by and between 

ZTE Kangxun Telecom Co. Ltd, a Chinese corporation, having its principal place of business at Plant No. 1. Da Mei Sha, Yan Tian
District, , Shenzhen, P.R. China (hereinafter “Kangxun”), 
 And 

Acacia Communications, Inc., a Delaware corporation, having its principal place of business at Three Clock Tower Place, Suite 210, Maynard, MA
01754, USA (hereinafter “Acacia”), 
 WITNESSETH 

WHEREAS, Kangxun and Acaica, both have as their purpose an interest in exploring a possible business relationship, and in order for the
parties to explore this relationship, it may be necessary for the parties to disclose certain of their proprietary and other information to each other, which information each of the parties regards as confidential. 

NOW, THEREFORE, the parties hereto agree as follows: 

1. (a) All of the confidential information (hereinafter “Confidential Information”), including, without limitation , all information
relating to business plans, financial or technical matters, trade secrets, designs, know-how, inventions, test results, operations and any other information received or acquired by one party (or its affiliates or their representatives, the
“Receiving Party”) from or on behalf of the other (“Disclosing Party”) in the course of exploring the possible business relationships shall be in written or other tangible form and marked “CONFIDENTIAL” in conspicuous
position. Information from ZTE Corporation which complied with above mentioned requirements shall be deemed as Confidential Information from Kangxun, and information disclosed by or for Acacia to ZTE Corporation shall be treated by Kangxun as
Acacia’s Confidential Information for the purposes of this Agreement. If the Confidential Information is initially disclosed orally, the Disclosing Party shall use reasonable efforts to cause that it shall be reduced to written or other
tangible form by the Disclosing Party (including the date of the oral disclosure and name of the Disclosing Party) and presented or mailed to the Receiving Party within [**] days from the first oral disclosure. 

  

					
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 Appendix 2:
Non-Disclosure Agreement 
  
  

 (b) The Confidential Information shall remain the property of the Disclosing Party. 

(c) All information disclosed which is not marked “CONFIDENTIAL”, or is not reduced to written form and marked
“CONFIDENTIAL” if initially disclosed in intangible form (orally, visually, by demonstration or inspection) shall be considered to be non-confidential, and shall not be subject to the obligations imposed by this Agreement. All Confidential
Information disclosed under this Agreement shall be limited to the subject matter mentioned in the Recital. The existence and terms and conditions of this Agreement shall be treated as Confidential Information. 

2. The Receiving Party shall: 

(a) Hold the Confidential Information in confidence and not disclose it to third parties, except in the limited cases referred to in paragraph
“6”; and 
 (b) Use reasonable efforts to safeguard the Confidential Information from unauthorized access, use and disclosure; and

 (b) Not use the Confidential Information for any purpose other than exploring or examining the possibility of a business relationship
between the parties. 
 3. Either party hereto shall have the right, at any time, to terminate in writing the discussions and exchange of
information in connection with the exploration of the possibilities of a business relationship between the parties without any further obligations or liabilities to the other party, other than the obligations of confidentiality hereunder, or any
right or obligation relating to the Confidential Information hereunder. 
 4. (a) The obligations of the above paragraph “2” shall
not apply to any information which: 
 (i) Is generally available to the public through no breach of this Agreement by the Receiving Party
(or any of its affiliates or their representatives); or 

  

					
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 Appendix 2:
Non-Disclosure Agreement 
  
  

 (ii) Was already rightfully in the possession of the Receiving Party on a non-confidential
basis, prior to receipt from the Disclosing Party; or 
 (iii) Is received independently and on a non-confidential basis from a third party
who is free to disclose such information to the Receiving Party without conflict with any of its legal or contractual obligation; or 

(iv) Is subsequently developed independently by the Receiving Party without breaching of its obligation hereunder; or 

(v) Has been or is made public by the Disclosing Party, such as commercial use or sale or publications or patents, or otherwise; or 

(vi) Is approved for release by prior written consent of the Disclosing Party. 

(b) Disclosure of Confidential Information shall not be precluded if such disclosure is pursuant to the requirement or request of a
governmental agency or operation of law. Provided, however, the Receiving Party shall promptly give a written notice to the Disclosing Party prior to such disclosure so that the Disclosing Party may seek an appropriate protective order. 

5. All Confidential Information delivered to and/or in the possession of the Receiving Party shall be returned or delivered to the Disclosing
Party or destroyed by the Receiving Party, if the Disclosing Party so requests in writing, including without limitation to, all documents and computer files containing summaries, analyses or conclusions derived from such Confidential Information,
with all copies made thereof, in forms whatsoever, except for one copy of each which the Receiving Party may retain for the only purpose of identification of the scope of Confidential Information and avoid misunderstanding of Confidential
Information in the future. 
 6. The Receiving Party agrees that the Confidential Information shall be disclosed to only those people within
its respective organizations or its subsidiaries, agents, consultants, representatives or advisors who have a need to know the information and who are obligated under terms no less restrictive than those imposed in this Agreement on the Receiving
Party. 
 7. Each party shall have the right to refuse to accept any information under this Agreement, and nothing herein shall obligate
either party to disclose to the other party any 

  

					
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 Appendix 2:
Non-Disclosure Agreement 
  
  

 
particular information. Further, each party acknowledges that no contract or agreement providing for a business relationship, of any nature, shall be deemed to exist unless and until a final
definitive agreement has been executed and delivered. 
 8. If any official approval is required by a government authority to disclose the
Confidential Information hereunder, such disclosure is subject to that approval. Both parties shall comply in all respects with applicable laws, regulations and court orders, including but not limited to laws and regulations on export control, in
both parties’ countries and other applicable countries. 
 9. Disclosure of any information under this Agreement, or otherwise, shall
not be construed as granting, directly or by implication, any license under or interest of any kind in any patent, patent application, copyright or other intellectual property rights. 

10. The parties hereto shall not be obligated to compensate each other for the disclosure and/or use pursuant to the terms of this Agreement
of any information exchanged in connection with this Agreement or the discussions between the parties. 
 11. This Agreement supersedes all
prior agreements, understandings, representations and statements, whether oral or written, between the parties relating to the disclosure of the Confidential Information. The terms of this Agreement may not be changed except by subsequent written
agreement duly signed by an officer with appropriate authority of each of the parties. 
 12. Subject to Paragraph “4” hereof the
obligation of the Receiving Party provided in Paragraph “2” hereof and elsewhere in this Agreement shall continue for [**] years from the date of each receipt of the Confidential Information, even after termination of this Agreement
according to paragraph “3” hereof. 
 13. This Agreement shall be governed, construed and interpreted in accordance with the laws
of Hong Kong, without giving effect to the principles of conflict of law. 
 Any disagreement or dispute which may arise in connection with
this Agreement, and which the Parties are unable to settle by mutual agreement, shall be finally settled by Arbitration and submitted to Hong Kong International Arbitration Center (“HKIAC”) in accordance with its Rules. The place of
arbitration shall be in Hong Kong. There shall be three arbitrators. All proceedings shall be conducted, and the evidence submitted in English where applicable. The award of arbitration shall be final and binding upon both parties. The arbitration
fees shall be 

  

					
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	ZTE	  	ZTE/Acacia Confidentialp

 Appendix 2:
Non-Disclosure Agreement 
  
  

 
borne by the losing party except otherwise awarded by the arbitration commission. Notwithstanding the above, the parties acknowledge that a violation of the Receiving party obligations with
respect to Confidential Information could cause irreparable harm to the Disclosing party for which a monetary remedy at law would be inadequate. Therefore, in addition to any and all remedies available at law, the Disclosing Party shall be entitled
to an injunction or other equitable remedies in all legal proceedings in the event of any threatened or actual violation of any or all of the provisions hereof. 

  

					
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	ZTE	  	ZTE/Acacia Confidentialp

 Appendix 2:
Non-Disclosure Agreement 
  
  

 IN WITNESS WHEREOF, the parties by their duly authorized representatives have executed this
Agreement as of the Effective Date first set forth above. 
  

									
	Buyer	 		 	Supplier
			
	ZTE Kangxun Telecom Co., Ltd.	 		 	Acacia Communications, Inc.
			
	By:	 		 	By:
			
	 /s/
	 		 	 /s/ Raj Shanmugaraj

			
	(Signature)	 		 	(Signature)
			
	Name:	 		 	Name:
	  
	 		 	 Raj Shanmugaraj

	(Typed Name)	 		 	(Typed Name)
			
	Title:	 		 	Title:
	  
	 		 	 President/CEO

				
	Date:	 		 	Date:	 	10/26/10
	2010.12.3	 		 		 	

  

					
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	ZTE	  	ZTE/Acacia Confidentialp

  

 

 APPENDIX 3: List of Authorized Agent and/or Service Provider 

The Supplier herein authorizes that the Buyer may disclose the Confidential Information to the following agents and/or service providers for the sole purpose
of performing this Contract or using products/service provided under this Contract: 
  

					
	 No
	  	 Name
	  	 Registered Address

	 	  	 	  	 
	 	  	 	  	 
	 	  	 	  	 
	 	  	 	  	 

  

					
	ZTE Kangxun Telecom Co. Ltd Copyright Reserved	 	Page 35 of 35	 	Ver.2008-10EX-10.18

 Exhibit 10.18 

Confidential Materials omitted and filed separately with the 

Securities and Exchange Commission. Double asterisks denote omissions. 

MASTER SUPPLY AGREEMENT 
 This
Supply Agreement (“Agreement”) is made as of October 18, 2013 (“Effective Date”), by and between Acacia Communications, Inc., a Delaware corporation, having a place of business at Three
Clock Tower Place, Suite 130, Maynard, MA 01754 (“Acacia”), and Fujitsu Semiconductor America, Inc., a California corporation having a place of business at 1250 East Arques Avenue, M/S 333, Sunnyvale, CA 94085
(“FSA”). 
 WHEREAS, pursuant to a Development Agreement between Fujitsu Microelectronics Europe GmbH, an Affiliate of
FSA, dated December 21, 2009 and restated between Fujitsu Semiconductor Europe GmbH (“FSEU”), an Affiliate of FSA, and Acacia on March 8, 2012, and a Development Agreement between FSEU and Acacia, dated July 2, 2012
(collectively, the “Development Agreements”), FSEU developed prototypes of certain Application Specific Integrated Circuit products, as described in the attached Schedules. 

WHEREAS, FSA desires to manufacture and supply to Acacia, and Acacia desires to order and purchase from FSA, the Application Specific Integrated
Circuit products described in the Schedules annexed hereto, which products Acacia intends to sell to its customers or to incorporate directly into its optical modules and/or other Acacia products, for distribution throughout the world. 

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

	1.	DEFINITIONS. 

 “Affiliate” means an entity controlling, controlled by, or
under common control with a Party, through ownership or control of fifty percent (50%) or greater of the voting power of the shares or other means of ownership or control of the relevant entity. 

“Confidential Information” means any business or technical information of Acacia or FSA disclosed for the purposes of this
Agreement that is either (a) marked as “confidential” or “proprietary” or, when disclosed orally, (b) identified as “confidential” or “proprietary” at the time of the oral disclosure and within [**]
days of such disclosure reduced to writing and furnished to the receiving Party, or (c) by its nature or by the circumstances surrounding its disclosure should be understood by a reasonable person in the industry to be confidential or
proprietary. Confidential Information does not include information that: (i) is or becomes generally known to the public through no fault or breach of this Agreement by the receiving party; (ii) is rightfully known by the receiving party
at the time of disclosure without an obligation of confidentiality; (iii) is independently developed by the receiving party without use of the disclosing party’s Confidential Information; (iv) is rightfully received by the receiving
party from a third party without restriction on use or disclosure; or (v) is disclosed with the prior written approval of the disclosing party. For the avoidance of doubt, the roadmap information about either party’s products shall be
deemed to be the Confidential Information of the respective disclosing party. 

  
 - 1 - 

 “Intellectual Property Rights” means any and all patent rights, copyright rights,
trademark rights, mask work rights, trade secret rights and all other intellectual and industrial property rights of any sort throughout the world (including any application therefor). 

“Manufacturing Trigger” means the occurrence of any of the following events: (a) FSA makes an assignment for the benefit
of creditors, or a receiver, trustee in bankruptcy or similar officer is appointed to take charge of any or all of FSA’s property; or (b) FSA seeks protection under any bankruptcy, receivership, trust deed, creditors arrangement,
composition or comparable proceeding or such a proceeding is instituted against FSA and is not dismissed within [**] days; or (c) FSA becomes insolvent or dissolves, liquidates or otherwise fails to operate in the ordinary course; (d) FSA
materially breaches its obligations under this Agreement; or (e) for any reason (including any force majeure), FSA’s delivery of Products to Acacia under this Agreement is more than [**] days late (or is more than [**] days late on any
[**] occasions during any [**] month period). 
 “Minimum Supply Period” means, with respect to each Product, the
period of time commencing on the Schedule Date and ending on the date that is [**] months after the Discontinue Date specified in an End of Life Notice. 

“Products” means the production-grade versions of the application specific integrated circuits as more particularly described
in the schedules hereto, including any subsequent revisions thereof, that complies with the Specification, and any additional Products that may be added to this Agreement upon mutual written agreement. For avoidance of doubt, the Products under this
Agreement do not include engineering prototypes, samples or custom products. 
 “Schedule Date” means the effective
date of a particular product schedule executed hereunder. The Schedule Date for a product schedule will be the date such product schedule is signed if no Schedule Date is specifically set forth in the product schedule. 

“Specification” means all of the requirements and specifications (including without limitation, functional, electrical,
mechanical, thermal, packaging and quality specifications, performance requirements and acceptance criteria) that define the Product. Specifications may be attached hereto in schedules. 

 

	2.	PURCHASE AND SUPPLY. 

 2.1. Exclusive Supply. FSA agrees to sell to Acacia the Products, in such
quantities as Acacia may order from time to time, in accordance with its purchase orders under this Agreement placed on or before the Discontinue Date. Neither FSA nor any of its Affiliates shall (a) sell or otherwise make available the
Products to any party other than Acacia without the express prior written consent of Acacia, which consent may be withheld in Acacia’s sole discretion, or (b) use, incorporate, disassemble, reverse engineer, or create derivatives of
Acacia’s intellectual property or Confidential Information for their own or any third party’s benefit without the express prior written consent of Acacia, which consent may be withheld in Acacia’s sole discretion. All orders will be
deemed to incorporate all of the terms and conditions in this Agreement. Any term or condition proposed by either party in any documentation that is in addition to, in conflict with or 

  
 - 2 - 

 
different from the terms and conditions in this Agreement (including without limitation, any standard terms or conditions in any purchase order, sales acknowledgment or invoice) will be void and
of no effect. FSA shall not make any material change to any Specification that will be effective for any Product ordered by Acacia on or before the Discontinue Date (as defined in Section 2.6 below). 

2.2. Forecasts. On or about the beginning of [**], Acacia shall provide FSA with an updated rolling, good faith, non-binding, forecast of its
requirements for the Products for the following [**] month period. Within [**] after receiving Acacia’s forecast, FSA shall acknowledge receipt and confirm to Acacia in writing that it can deliver all of the forecasted Products. If FSA foresees
any problems (e.g., manufacturing capacity or material availability) in meeting Acacia’s forecasted requirements, FSA shall advise Acacia in writing during such [**] period. Until the market for the Acacia product is fully understood and
developed, FSA acknowledges and agrees that Acacia’s forecasts may be of uncertain accuracy and actual Product orders may be variable. 
 2.3.
Orders. Orders shall be placed by written purchase order and submitted by electronic mail or other means acceptable to both parties. Purchase orders will include the following information: (a) a description of the Product(s) by name and
model number; (b) quantity; (c) delivery date(s); (d) ship-to address(es); (e) transportation instructions; and (f) an order number (for billing purposes). FSA will accept all purchase orders placed on or before the
Discontinue Date, and will ship all Products under accepted purchase orders that comply with this Agreement. FSA will confirm acceptance (or provide detailed reasons for non-acceptance) by electronic mail within [**] days after the purchase order is
received and provide committed shipment dates within [**] days after the purchase order is received. If FSA does not accept or reject a purchase order within [**] days, the purchase order shall be deemed accepted. FSA agrees that purchase orders may
be placed under this Agreement by Acacia and/or any of its Affiliates or contract manufacturers that are identified in advance by Acacia. FSA agrees that it will accept all purchase orders issued on or before the Discontinue Date so long as they
meet the order information requirements as stated in (a) – (f) above, Acacia is not in default or breach of the Agreement, and Acacia is in an insolvency or bankruptcy proceeding where a dismissal is not likely in the next [**]
days. If FSA believes a condition exists whereby it may reject a purchase order, FSA will provide a written response detailing the condition of rejection and agree to work with Acacia to allow a correction of the purchase order so that an accepted
order can be confirmed. 
 2.4. Order Changes. Acacia may terminate any order in whole or in part prior to receipt of FSA’s written acceptance.
After FSA’s written acceptance, and subject to cancellation charges, Acacia may cancel any order (in whole or in part) upon written notice delivered to FSA in accordance with the table below, Acacia may reschedule any Product order one time,
upon written notice delivered to FSA at least [**] days prior to the scheduled delivery date, specifying a new delivery date that is no later than [**] days after the originally scheduled delivery date. In addition, FSA will use commercially
reasonable efforts to accommodate Acacia’s requests to expedite delivery or increase quantities. Cancellation charges shall be as follows: 
  

	 	•	 	Cancellation of Production PO 

 a. [**] prior to shipment
date                    [**] 

  
 - 3 - 

 b. [**] prior to shipment
date                    [**] 
 c. [**]
prior to shipment date                    [**] 

d. [**] prior to shipment
date                    [**] 
 e. More
than [**] prior to shipment date [**] 
 2.5. Allocation. In the event that the supply of a particular Product is constrained due to a shortage of
materials beyond FSA’s control, FSA will undertake commercially reasonable efforts to allocate to Acacia a percentage of the available supply that is equal to or greater than a fraction the numerator of which is (a) Acacia’s purchases
of the Product during the [**] month period immediately preceding the supply constraint, and the denominator of which is (b) the purchases of all products, the production of which requires the materials in short supply, made during the [**]
month period immediately preceding the supply constraint made by all of FSA’s customers who are placing orders for delivery of those same product during the period of constrained supply. For example, if Acacia’s orders and deliveries for
the Product incorporating the supply-constrained material during the preceding [**]-day period were $[**], and FSA’s other customers ordering products incorporating the supply-constrained material during the period of constrained supply had
purchased $[**] of such products in the preceding [**]-day period, then Acacia would receive Products utilizing at least [**]% of the available supply of the supply-constrained material until the supply is no longer constrained. 

2.6. Discontinuation. FSA agrees to continue to provide Products to Acacia in accordance with this Agreement throughout the Minimum Supply Period. At
any time after the [**] anniversary of the Schedule Date for a particular Product, FSA may announce that it plans to Discontinue such Product by providing written notice to Acacia of such plans (“End of Life Notice”). An End
of Life Notice must be given at least [**] days prior to the last date on which an order for such Product may be placed (the “Discontinue Date”), which date shall be specified in FSA’s End of Life Notice. Until the
Discontinue Date, Acacia shall have the right to place purchase order(s) for and purchase the Discontinued Product, in an aggregate amount of up to [**]% of its then current forecast, for delivery not later than [**] months after the Discontinue
Date, and FSA shall accept such purchase order(s) and deliver the Products ordered. As used herein, the term “Discontinue” means (a) to cease manufacture of the Product or (b) to make a material change in the
Specification applicable to the Products affecting form, fit, function, quality, safety, reliability or standards compliance of the Products. In addition, any notice of nonrenewal of this Agreement given by FSA pursuant to Section 9.1 shall be
deemed to be an End of Life Notice for all Products for purposes of this Agreement, and the Discontinue Date shall be deemed to be die expiration date of this Agreement. 

2.7. Operations. 
 a. Process and
Facilities. FSA shall establish and maintain quality controls and systems as may be necessary and sufficient to manufacture Products on a consistent and reproducible basis. FSA shall cause its (and any contract manufacturer’s) processes,
operations and production facilities to be in compliance with ISO 9000 series and ISO 14001 series standards and all applicable laws and regulations (including without limitation, regarding the disposal of hazardous materials). During the term of
this Agreement and for [**] following the later to occur of any termination hereof and the final delivery of Products hereunder, FSA shall keep and 

  
 - 4 - 

 
maintain true, accurate and complete records (such as, for example lot records, production yields and reject rates) that are sufficient to meet the requirements of this Agreement and all
applicable laws and regulations, for the current calendar year and the immediately preceding [**] calendar years. 
 b. Continuous
Improvement. During the term of this Agreement and in the ordinary course of its business, FSA shall use commercially reasonable efforts to reduce its manufacturing and supply costs, and to improve and enhance Product quality and manufacturing
processes so as to maintain or increase the competitive advantage of the Product as compared to similar products in the marketplace. Process improvements may result from FSA’s own initiative or the request or suggestion of Acacia. 

c. Quality Audits. From time to time, upon reasonable prior notice to FSA, Acacia shall have the right to conduct quality assurance
audits of any plants or production facilities involved in the manufacturing, processing, testing, handling and storage of the Products. In the course of these audits, Acacia shall be entitled to inspect FSA’s facilities, manufacturing
procedures, quality controls and systems that are involved with the manufacturing, processing, testing and handling of the Product. Acacia shall also have the right to inspect all records, books, property, plant and equipment, and such other matters
as may be pertinent to proper quality assurance of the Products. Any request for a quality audit shall be made at least [**] weeks in advance of the requested date. 

2.8. Support. FSA will provide Acacia (but not its customers) with technical support for the Products on a commercially reasonable basis [**]. 

2.9. Epidemic Failure. 
 a. In the event
of Epidemic Failure (defined below) of a Product, FSA shall investigate the cause of the Epidemic Failure and deliver to Acacia a collective action plan (“CAP”) within [**] business days from written notice of the failure. The CAP will
define FSA’s plans for remedying the Epidemic Failure and the time period for development and implementation of such remedy for the defect. [**]. 

b. “Epidemic Failure” shall mean one or more of the following defect conditions occurring within [**] years from date of shipment to
Acacia: (i) Any occurrence of a potential safety hazard that could result in damage or injury, such as personal injury (including death), fire, explosion, toxic emissions, etc.; (ii) [**] or more independent occurrences where the Product
exhibits a highly objectionable symptom (e.g., emissions of smoke, loud noises, deformation of housing, or other problematic characteristics); or (iii) a Product’s return rate is detected above [**] times FSA’s stated FIT rate or less
than [**] percent ([**]%) of the Mean Time between Failures (MTBF). If no FIT or MTBF has been defined by FSA, then a typical value derived from Telcordia SR-332, issue [**] (or its successor) will be used as the default. With respect to new
Products that are first introduced and made available by FSA during the term, early life failures occurring in the first [**] months of manufacturing may be up to [**] percent ([**]%) higher than the failure rates set forth in clause
(iii) above to allow for typical infant mortality occurrences. Products that are or have been subject to warranty claims under Section 6 shall be included when determining the existence of Epidemic Failure. 

  
 - 5 - 

 c. [**]. Until the correction of the Epidemic Failure, Acacia may postpone or cancel[**] the
delivery of any outstanding purchase orders. In addition, Acacia may return Product(s) already delivered, as well as any stock in inventory, for replacement of such Product(s), [**], or for [**] for any such Products, [**]. 

d. [**]. 
 e. If FSA does not
agree that an Epidemic Failure has occurred or exists after Acacia has providing supporting documentation and evidence, or is unable to develop a mutually agreeable CAP and remedial plan, or fails to implement the remedial plan in a timely fashion,
or otherwise fails to correct an Epidemic Failure, then in addition to its other remedies available hereunder, Acacia may require that disputes under this Section 2.9 be resolved by final and binding arbitration. Any such arbitration will be
conducted by one arbitrator, to be selected by the parties within [**] days of the demand for arbitration, pursuant to the Rules of the American Arbitration Association. If the parties cannot agree on the selection of an arbitrator, either party may
request that the president of the American Arbitration Association, or his designee, select an arbitrator on behalf of the parties. The arbitration will be held in Boston, MA, unless otherwise agreed. 

f. The specific terms of this Section 2.9 shall control with regard to all matters regarding Epidemic Failure but shall not supersede
other terms in this Agreement, including, without limitation, provisions excluding damages or limiting liability, warranty, or remedies. 
 2.10. Buffer
Stock. Terms defining buffer stock requirements and procedures are set forth in Exhibit A to this Agreement. 
  

	3.	PRICE, PAYMENT, DELIVERY AND INSPECTION. 

 3.1. Price. The current Product prices shall be set
forth in schedules annexed to this Agreement. From time to time (at least [**]), prices will be reviewed for possible reduction by both parties and modified by mutual agreement. Schedules will be amended to reflect agreed-to price changes. [**].

 3.2. Payment Terms. After delivery pursuant to Acacia’s purchase order, FSA may invoice Acacia for the actual quantity delivered. Other than
amounts disputed in good faith, Acacia (or its Affiliate or contract manufacturer which issued the purchase order) will pay FSA within [**] days after receipt of a correct invoice. All invoices and payments shall be in US dollars. Unless Acacia has
provided FSA with a valid sales tax exemption certificate, Acacia will be responsible for all taxes (including but not limited to sales, use and value added taxes) associated with the purchase of the Product under this Agreement (except for taxes
based on FSA’s franchise, properties or income). Payment shall not constitute acceptance. 
 3.3. Delivery. All Products delivered under this
Agreement shall be packaged and packed in accordance with the Specification or, if not so specified in the Specification, then in accordance with best industry practices. On the delivery date(s) set forth in the purchase order (or up to [**]

  
 - 6 - 

 
days early), FSA shall deliver the Products to Acacia or its carrier FCA (Incoterms 2010) at FSA’s facility in the United States. FSA will comply with reasonable carrier and routing
instructions specified in Acacia’s order. If Acacia does not provide such instructions, FSA will select the best available carrier and route on a commercially reasonable basis. Upon Acacia’s request, FSA will provide Acacia (or its
designee) with timely cooperation, information, documentation and assistance to export or import the Products. 
 3.4. Late Deliveries. FSA will
immediately notify Acacia in writing if it anticipates any delay in delivery in accordance with the order, including the reasons therefor and its expected delivery date. If FSA fails to meet the delivery date in the order, upon Acacia’s
request, FSA will expedite routing by the quickest means at its sole expense. If FSA fails to deliver any Products within [**] days after the scheduled delivery date, Acacia may terminate the applicable order without further obligation and FSA shall
promptly refund to Acacia the purchase price, taxes, delivery charges and other amounts paid in respect of such Products. 
 3.5. Inspection. Acacia
or its designee will inspect Products promptly after receipt thereof and may reject any shipment (or portion thereof) that fails to conform to this Agreement or the Specification, Acacia may reject any partial shipment made without its prior written
consent. At its sole cost and expense, FSA shall promptly replace properly rejected Products. If FSA fails to do so promptly, Acacia may terminate the applicable order without further obligation and FSA shall promptly refund to Acacia the purchase
price, taxes, delivery charges and other amounts paid in respect of such Products. 
  

	4.	OWNERSHIP AND INTELLECTUAL PROPERTY RIGHTS. 

 4.1. Background Technology. Except as may be
otherwise set forth expressly herein, each party will retain ownership of all rights, title and interests in and to all products, inventions, information, documentation, improvements, works of authorship, processes, techniques, know-how,
specifications, algorithms, designs, trade secrets, software, firmware, data and other materials that are developed by its personnel or otherwise acquired by such party prior to the Effective Date or outside the scope of this Agreement
(collectively, “Background Technology”) and all Intellectual Property Rights therein and thereto. Background Technology of Acacia (“Acacia Background Technology”), and all Intellectual Property Rights
therein and thereto, that is or has been disclosed to FSA or its Affiliate, whether or not embodied in the Products, shall remain the exclusive property and Confidential Information of Acacia, and, except as expressly set forth herein or in a
separate written agreement with Acacia, no license to use Acacia Background Technology or Acacia intellectual property is granted or implied. 
 4.2. FSA
IP. Except for Acacia Background Technology, the intellectual property embodied in the Products provided by FSA (including any FSA Background Technology embodied therein), features associated therewith, any and all changes, modifications,
improvements and derivatives thereof and all Intellectual Property Rights associated therewith (collectively “FSA IP”) shall be solely owned by FSA. 

4.3. Product IP License. Subject to all terms and conditions in this Agreement, FSA hereby grants to Acacia a limited, non-exclusive, royalty free,
paid up, non-transferable (except as 

  
 - 7 - 

 
expressly permitted under this Agreement), non-sublicensable, worldwide right and license under all Intellectual Property Rights in the FSA IP, solely as incorporated into the Product, to use,
offer to sell, sell, import, and export the Products, without accounting or payment to FSA or any third party. For clarity, Acacia may incorporate, distribute (through multiple tiers) and use the Products on a worldwide basis and Acacia may exercise
such rights through its Affiliates, subcontractors, contract manufacturers, OEM partners, distributors and other resellers. 
 4.4. Manufacturing IP
License. Subject to all terms and conditions in this Agreement, FSA hereby grants to Acacia a royalty free, paid up, non-transferable (except as set out expressly in Section 10.3 below), non-exclusive, worldwide right and license under all
Intellectual Property Rights in the FSA IP to make and have made the Products (and corrections and improvements thereto) and/or to purchase components and finished Products directly from FSA’s vendors and contract manufacturers. Acacia agrees
not to exercise such rights prior to the occurrence of any Manufacturing Trigger, and promptly after any Manufacturing Trigger, FSA agrees to provide Acacia with all reasonable documentation [**] assistance and know-how as reasonably required by
Acacia to exercise such rights. 
 4.5. No Implied Licenses. Except for the licenses expressly granted hereunder, no other license is granted, and as
between the parties, FSA shall retain all rights, title and interests (including without limitation, Intellectual Property Rights) in and to its Background Technology, FSA IP and Confidential Information, and Acacia shall retain all rights, title
and interests (including without limitation, Intellectual Property Rights) in and to its Background Technology and Confidential Information. The licenses granted herein shall be deemed to be, for purposes of Section 365(n) of the U.S.
Bankruptcy Code, to the fullest extent permitted by law, licenses to rights in “intellectual property” as defined in Section 101 of the Bankruptcy Code. 
  

	5.	CONFIDENTIAL INFORMATION. 

 5.1. Confidentiality. Each party will not use the other party’s
Confidential Information except as necessary for the performance or enforcement of this Agreement and will not disclose such Confidential Information to any third party except to those of its employees, Affiliates and contractors who have a bona
fide need to know such Confidential Information for the performance or enforcement of this Agreement; provided that each such employee and contractor is bound by a written agreement that contains use and nondisclosure restrictions consistent with
the terms set forth in this Agreement. Each party will employ all reasonable steps to protect the other party’s Confidential Information from unauthorized use or disclosure, including, but not limited to, all steps that it takes to protect its
own information of like importance. Each party shall be liable for any breach of its obligations hereunder by any of its employees, Affiliates and contractors. The foregoing obligations will not restrict either party from disclosing the other
party’s Confidential Information pursuant to the order or requirement of a court, administrative agency, or other governmental body, provided that the party required to make such a disclosure gives reasonable notice to the other party to
contest such order or requirement. 
 5.2. No Publicity. Except as may be required by applicable laws or regulations, neither party may issue any
press release, advertising, marketing or other public announcement concerning the subject matter of this Agreement without the other party’s prior written consent, in each instance. 

  
 - 8 - 

 
Nothing contained in this Agreement confers on either party any right to use in advertising, publicity or other promotional activities any name, trade name, trademark, logo or other designation
of the other party, or its Affiliates or any of their directors, officers or employees (including any contraction, abbreviation or simulation of any of the foregoing). The foregoing notwithstanding, either party may provide a copy of this Agreement
or otherwise disclose its terms in connection with any legal or regulatory requirement, financing transaction or due diligence inquiry. 
  

	6.	WARRANTIES. 

 6.1. Authority. Each of Acacia and FSA represents and warrants that (a) it is a
corporation duly organized, validly existing and in good standing under the laws of its incorporating jurisdiction, (b) it has all requisite power, rights and authority to enter into this Agreement and to grant the rights and perform the
obligations set forth herein, (c) it is duly authorized by all requisite action and permissions to execute, deliver and perform this Agreement and to consummate the transactions contemplated hereby without the consent, approval or authorization
of any other person or entity, (d) this Agreement constitutes its valid and binding obligation enforceable in accordance with its terms, and (e) its execution, delivery and performance of this Agreement, and its compliance with the terms
hereof, do not and will not conflict with or result in a breach of any terms of, or constitute a default under, any agreement, obligation or instrument to which it is a party or by which it is bound. 

6.2. Product. FSA represents and warrants that (a) the Products delivered hereunder will be free of all liens, charges, encumbrances and security
interests; (b) the Products shall comply with, and perform in accordance with, the Specifications and be free from defects in design, manufacture, engineering, materials, workmanship and title; (c) FSA has the required skills, expertise
and experience to perform this Agreement; and (d) FSA’s performance of its obligations under this Agreement shall at all times comply with any and all applicable laws and regulations. For a period of [**] months after delivery, at its own
cost and expense, FSA shall promptly repair or replace any Product sold hereunder that does not comply with the foregoing warranties or, at Acacia’s option, if repair or replacement is not feasible, refund the applicable purchase price, taxes,
delivery charges and other amounts paid in respect of such Product. These warranties, and FSA’s obligations hereunder, shall survive inspection, test, acceptance and use of the Products. The warranty obligation does not apply to any defects
which arise from (i) misuse, neglect, improper installation, repair, alteration or accident; (ii) any modification to the part made by Acacia or a third party; (iii) Acacia’s own logic design for the part; or (iv) the
equipment, systems or software used in connection with the part. FSA’s Products are not designed for use in life support appliances, devices, or systems where malfunction of a product can reasonably be expected to result in personal injury.
Acacia and its customers using or selling Products for use in life support applications do so at their own risk. 
 6.3. Hazardous Materials. FSA
represents and warrants that in performance of work under this Agreement it has complied with all laws, regulations, statutes and ordinances of all governmental entities including local, state, federal or international, now or hereafter enacted,
which regulate any material because it is radioactive, toxic, hazardous or otherwise a danger to health, reproduction or the environment (“Hazardous Regulations”), including but not limited to Comprehensive

  
 - 9 - 

 
Environmental Response Compensation and Liability Act of 1980, the Resource Conservation Recovery Act, the Federal Water Pollution Control Act, the Clean Air Act, the Montreal Protocol, the Toxic
Substances Control Act, the Directive 2002/95/EC of the European Parliament and of the Council of 27 January 2003 on the restriction of the use of certain hazardous substances in electrical and electronic equipment as amended from time to time,
Directive 2002/96/EC of the European Parliament and of the Council of 27 January 2003 on waste electrical and electronic equipment, as amended from time to time, any European Union Member State implementations thereof, the Chinese regulation
entitled Administrative Measure on the Control of Pollution Caused by Electronic Information Products; and similar laws, rules, statutes, treaties or orders and international understandings. As required by any Hazardous Regulation, prior to
shipment, FSA will notify Acacia about any hazardous and/or toxic materials in any Products. FSA will update such lists of hazardous and toxic materials [**]. 

6.4. Disclaimers. EXCEPT AS SPECIFICALLY STATED HEREIN, EACH PARTY HEREBY DISCLAIMS ALL OTHER WARRANTIES, WHETHER EXPRESS OR IMPLIED, ORAL OR WRITTEN,
WITH RESPECT TO THE SUBJECT MATTER HEREOF, INCLUDING WITHOUT LIMITATION, ALL IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT OR FITNESS FOR ANY PARTICULAR PURPOSE. 
  

	7.	INDEMNIFICATION AND INSURANCE. 

 7.1. Infringement Indemnification. 

a. FSA shall defend and indemnify Acacia and its Affiliates, officers, directors, employees, partners and customers (“Acacia
Indemnitees”) from and against any demands, claims, actions, suits, proceedings, damages, liabilities, costs and expenses as incurred (including reasonable attorneys’ fees) arising out of any claim that any Product infringes a
third party’s Intellectual Property Rights (“Claims”), and pay any damages awarded as a result of the Claim (or pay any amount agreed to by FSA as part of a settlement of the Claim), provided that (i) Acacia
notifies FSA promptly in writing of any such Claim; (ii) gives FSA sole and complete authority to control the defense and settlement of the Claim; and (iii) at FSA’s expense, provides FSA with any information, materials, and other
assistance reasonably requested by FSA. Notwithstanding the foregoing, any Acacia Indemnitee may participate in any proceeding using counsel of its own choosing, at its own expense and, if FSA fails to promptly assume and conduct the defense or take
reasonable action to settle any Claim, then Acacia may regain control of such Claim (in which case, FSA shall be responsible for all such costs and expenses, as well as any award entered against any Acacia Indemnitee or reasonable settlement entered
into by Acacia). FSA will not enter into any settlement, consent judgment or other voluntarily final disposition of any Claim hereunder, or make any admission or take any other action, that adversely affects any Acacia Indemnitee or the Products, or
that is inconsistent with this Agreement in any material respect, or that fails to include an unconditional release of all claims against the Acacia Indemnitees, without Acacia’s prior written consent. 

b. In the event of any such Claim or threat thereof, then in addition to FSA’s obligations under Section 7.1(a), FSA may (and, in
the event any such Claim results in the 

  
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issuance of an injunction by a court of competent jurisdiction prohibiting Acacia from using Products, FSA shall), at its option and expense, obtain a license to permit the continued use of the
related Products or replace or modify the Products so that the replacement or modified version is non-infringing, provided that the replacement or modified version has functionality in all material aspects substantially similar to that of the
original. 
 c. FSA shall have no liability or obligation to the extent that any Claim is based on or results from (a) the combination
or use of the Products with other products or components if the infringement would not have occurred but for such combination or use; (b) modification of the Products by anyone other than FSA if the infringement would not have occurred but for
such modification; or (c) the implementation of detailed designs specified by Acacia if the infringement would not have occurred but for the implementation of Acacia’s design. 

7.2. Insurance. FSA will maintain such comprehensive general liability insurance (including without limitation, products liability, completed
operations, and errors and omissions) [**]. 
  

	8.	LIMITATION OF LIABILITY. 

 EXCEPT IN THE CASE OF (a) ANY BREACH OF CONFIDENTIALITY, (b) BREACH
OF SECTION 4, OR (c) LIABILITIES UNDER SECTION 7.1, IN NO EVENT WILL EITHER PARTY BE LIABLE CONCERNING THE SUBJECT MATTER OF THIS AGREEMENT, REGARDLESS OF THE FORM OF ANY CLAIM OR ACTION (WHETHER IN CONTRACT, NEGLIGENCE, STRICT LIABILITY OR
OTHERWISE), FOR ANY (i) INDIRECT, PUNITIVE, INCIDENTAL, RELIANCE, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES INCLUDING, BUT NOT LIMITED TO, LOSS OF BUSINESS, REVENUES, PROFITS OR GOODWILL OR (ii) DAMAGES, IN THE AGGREGATE, IN EXCESS OF
AMOUNTS ACTUALLY PAID OR PAYABLE TO FSA HEREUNDER FOR ALL PRODUCTS GIVING RISE TO A CLAIM, EVEN IF THE PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. FOR DAMAGES ATTRIBUTED SOLELY TO AN EPIDEMIC FAILURE (SECTION 2.9), DAMAGES SHALL NOT
EXCEED A MULTIPLE OF ONE AND ONE-HALF TIMES (1.5X) THE AMOUNTS PAID OR PAYABLE TO FSA HEREUNDER FOR ALL PRODUCTS GIVING RISE TO A CLAIM. THESE LIMITATIONS ARE INDEPENDENT FROM ALL OTHER PROVISIONS OF THIS AGREEMENT AND SHALL APPLY
NOTWITHSTANDING THE FAILURE OF ANY REMEDY PROVIDED HEREIN. FOR PURPOSES OF DETERMINING FSA’S LIABILITY UNDER THIS SECTION 8, AMOUNTS PAID HEREUNDER SHALL BE DEEMED TO INCLUDE NRE PAYMENTS AND CHARGES PAID UNDER THE DEVELOPMENT AGREEMENTS. 

 

	9.	TERM AND TERMINATION. 

 9.1. Term. This Agreement will commence on the Effective Date and continue
in force for an initial term that expires on the fifth (5th) anniversary of the Schedule Date of the last product schedule executed hereunder. Unless terminated earlier as permitted herein,
this Agreement will be extended automatically for one additional term of one (1) year at the end of the then current (initial) term. Either party may elect not to renew the Agreement by giving written notice thereof to the other party at least
one hundred eighty (180) days prior to the end of the then current (initial or renewal) term. 

  
 - 11 - 

 9.2. Termination for Breach. Either party may terminate this Agreement if the other party breaches any
material term of tins Agreement and fails to cure such breach within [**] days following written notice thereof from the non-breaching party. 
 9.3.
Effects of Termination. Upon any expiration or termination of this Agreement, all rights and obligations of the parties shall cease, except that the following shall survive: 

a. Accrued Obligations. All obligations that accrued prior to the effective date of termination (including payment obligations) and any
remedies for breach of this Agreement shall survive any termination. 
 b. Confidential Information. Each party will promptly deliver
all of the other party’s Confidential Information to the other party, 
 c. Orders. All obligations of the parties under any
purchase orders previously accepted under Section 2 that are outstanding on the effective date of termination shall remain in effect (except that in the case of termination under Section 9.2, in which case the terminating party may elect
whether the parties’ obligations under such orders shall be fulfilled). 
 9.4. Survival. The provisions of Section 2.6 (Discontinuation),
Section 2.9 (Epidemic Failure), Section 4 (Ownership and Intellectual Property Rights), Section 5 (Confidential Information), 6 (Warranties), 7 (Indemnification and Insurance), 8 (Limitation of Liability), 10 (General Provisions)
and this Section 9 will survive any expiration or termination of this Agreement 
  

	10.	GENERAL PROVISIONS. 

 10.1. No Election of Remedies. Except as expressly set forth in this
Agreement, the exercise by a party of any of its remedies under this Agreement will be without prejudice to its other remedies under this Agreement or available at law or in equity. 

10.2. Force Majeure. Except for confidentiality and the obligation to make payments hereunder, and subject to the provisions of Section 2.5
(Allocation), nonperformance of either party shall be excused to the extent that performance is rendered impossible by strike, fire, flood, governmental action, failure of suppliers, earthquake, or any other reason where failure to perform is beyond
the reasonable control of the nonperforming party, provided that the party seeking such relief from nonperformance makes reasonable efforts to overcome any such occurrences and promptly notifies the other party in writing of such circumstances.
Notwithstanding the foregoing, if either party is prevented or delayed in performing its obligations under this Agreement for more than a total of [**] days in any [**] month period, then the party not so affected may terminate this Agreement upon
written notice to the other party. 
 10.3. Assignment. This Agreement and the rights and obligations hereunder may not be assigned, in whole or in
part, by either party without the other party’s prior written consent, which consent shall not to be unreasonably delayed, conditioned or withheld. Either party may, however, 

  
 - 12 - 

 
assign or transfer this Agreement and its rights and obligations hereunder without consent to any of its Affiliates or to any successor to all or substantially all of its business which concerns
this Agreement (whether by sale of assets or equity, merger, consolidation or otherwise). This Agreement shall be binding upon, and inure to the benefit of, the successors, representatives and permitted assigns of the parties. 

10.4. Governing Law. This Agreement will be governed by and construed in accordance with the laws of the State of New York, excluding that body of law
pertaining to conflict of laws. 
 10.5. Severability. If any provision of this Agreement is held invalid or unenforceable by a court of competent
jurisdiction, the remaining provisions of the Agreement will remain in full force and effect, and the provision affected will be construed so as to be enforceable to the maximum extent permissible by law. 

10.6. Notices. All notices required or permitted under this Agreement will be in writing and delivered by confirmed facsimile transmission, by courier
or overnight delivery service, or by certified mail, and in each instance will be deemed given upon receipt. All notices will be sent to the addresses set forth above or to such other address as may be specified by either party to the other in
accordance with this Section. 
 10.7. Entire Agreement. This Agreement (including Schedules executed hereunder) constitutes the complete and
exclusive understanding and agreement of the parties with respect to the subject matter hereof and supersedes all prior understandings and agreements, whether written or oral, with respect to the subject matter hereof. Any different or additional
terms included or referenced in any related purchase order, confirmation, invoice or similar form (including without limitation, any standard terms and conditions of sale or purchase), even if signed by the parties hereafter, shall have no effect
under this Agreement. Any consent, waiver, modification or amendment of any provision of this Agreement will be effective only if in writing and signed by the parties hereto. 

10.8. Waiver. The waiver of any breach of any provision of this Agreement will not constitute a waiver or exception for the remaining provisions of
this Agreement. 
 10.9. Counterparts. This Agreement may be executed in counterparts, each of which will be deemed an original, but all of which
together will constitute one and the same instrument. Execution of a facsimile copy (including PDF) shall have the same force and effect as execution of an original, and a facsimile signature shall be deemed an original and valid signature. 

10.10. Relief. The parties acknowledge and agree that money damages alone will not be an adequate remedy if Section 4 or Section 5 is
breached and, therefore, the non-breaching party shall, in addition to any other legal or equitable remedies, be entitled to seek an order for specific performance, or an injunction or similar equitable relief against such breach or threatened
breach, without the necessity of proving actual damages or posting any bond. 
 10.11. Independent Contractors. The parties shall be independent
contractors under this Agreement, and nothing herein will constitute either party as the employer, employee, agent or representative of the other party, or both parties as joint venturers or partners for any purpose. 

  
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 10.12. Contract Manufacturers. Acacia may exercise any or all of its rights hereunder through contract
manufacturers, and the terms and conditions of this Agreement shall apply to such exercise as if Acacia were acting directly. Contract manufacturers shall be subject to FSA’s credit policies, and depending on their credit worthiness, credit may
be reduced or suspended as necessary to protect FSA’s interests. 
 IN WITNESS WHEREOF, the parties have signed this Agreement as of the Effective
Date. 
  

									
	Acacia Communications, Inc.	 		 	Fujitsu Semiconductor America, Inc.
					
	By:	 	 /s/ John Gavin
	 		 	By:	 	 /s/ 

					
	Title:	 	 CFO
	 		 	Title:	 	 VP, Sales

					
	Date:	 	 10/18/2013
	 		 	Date:	 	 10/18/2013

  

									
		 		 		 	 APPROVED AS TO

FORM BY
 FSA
LEGAL    
	 	

  
 - 14 - 

 SCHEDULE 1 
  

					
	Product:	 	FSA part number:	 	[**]
			
		 	Acacia part number:	 	[**]
			
	Pricing:	 	$[**]/unit	 	
			
	Specification:	 	[**], dated 2013/2/22	 	

  
 - 15 - 

 SCHEDULE 2 
  

			
	Product:	  	[**]
		
	Schedule Date:	  	
		
	Pricing:	  	TBD

 Specification: 
 [**]. 

 

									
	Acacia Communications, Inc.	 		 	Fujitsu Semiconductor America, Inc.
					
	By:	 	 /s/ John Gavin
	 		 	By:	 	 /s/ 

					
	Title:	 	 CFO
	 		 	Title:	 	 VP, Sales

					
	Date:	 	 10/18/2013
	 		 	Date:	 	 10/18/2013

  

									
		 		 		 	 APPROVED AS TO

FORM BY
 FSA
LEGAL    
	 	

  
 - 16 - 

 EXHIBIT A 

BUFFER STOCK EXHIBIT 
  

	1.	TERM OF BUFFER STOCK EXHIBIT 

  

	 	a.	This Buffer Stock Exhibit shall continue until terminated by FSA, with or without cause, upon [**] days prior written notice to Buyer. Buyer may terminate this Exhibit, with or without cause, and in whole or with
respect to a particular product, upon six (6) months prior written notice to FSA. 

  

	2.	ESTABLISHMENT AND MAINTENANCE OF BUFFER STOCK 

  

	 	a.	By the date identified in Exhibit A-l (“Start Date”), FSA will establish a Buffer Stock at its warehouse for each product identified in Exhibit A-1 and at the quantities specified in Exhibit A-1 (“Buffer
Stock Quantities”). 

  

	 	b.	Buffer Stock is maintained and sold as FSA’s part number. Buyer’s part number, if specified in Exhibit A, is for reference only. 

 

	 	c.	FSA will provide Buyer with a written report on a periodic basis of the status of inventory held in Buffer Stock. For each product, this report will show the quantity held in Buffer Stock and the quantity in process to
replenish Buffer Stock (with estimated date of delivery to Buffer Stock). Buyer may increase the Buffer Stock Quantities from time to time as forecasts change, subject to FSA’s reasonable approval. Buyer may reduce the Buffer Stock at anytime
by notifying FSA, and the reduction will be effected by ordering pursuant to Section 4 below. 

  

	 	d.	The Buffer Stock of parts will be rotated to keep current date code parts in such Buffer Stock. 

  

	 	e.	Buyer shall provide at least [**] months prior written notice to FSA of Buyer’s intent to discontinue purchase of the products held in Buffer Stock. 

 

	3.	USE OF BUFFER STOCK BY BUYER AND FSA 

  

	 	a.	Buyer will issue purchase orders for products in Buffer Stock in accordance with FSA’s standard lead time. Should Buyer have unexpected demand for products and such demand is not in accordance with FSA’s
standard lead time, FSA may use products in Buffer Stock to fulfill such demand. Buffer stock will be replenished in accordance with FSA’s standard lead time. 

 

	 	b.	FSA has the right to unilaterally decrease the Buffer Stock Quantities so long as (i) FSA provides Buyer with at least [**] days’ written notice, and (ii) FSA has a valid business reason for doing so.
Such reasons may include, but are not limited to the following: (i) FSA’s records indicate that Buyer’s demand for the products has decreased or (ii) FSA has discontinued, or intends to discontinue, sale of the products. FSA will
not reduce the Buffer Stock Quantity below [**] weeks of Buyer’s forecasted requirements without Buyer’s approval. 

  
 - 17 - 

	4.	BUYER’S LIABILITY FOR BUFFER STOCK 

  

	 	a.	Upon the effective date of expiration or termination of this Agreement by either Buyer or FSA, Buyer shall purchase all remaining quantities of Buffer Stock and FSA will make its final inventory report to Buyer in
accordance with Section 2-c of this Exhibit. Within [**] days of receiving such report, Buyer shall issue to FSA a purchase order specifying: 

  

	 	(1)	release for delivery of all remaining products in Buffer Stock, with price to be at the price last quoted by FSA, and 

  

	 	(2)	an order for all quantities Buyer is obligated to purchase pursuant to the terms of this Section 4-a, with price to be at [**] percent ([**]%) of the price last quoted by FSA. 

 

	 	b.	Upon receipt of Buyer’s purchase order under the Agreement, or within [**] days, whichever occurs first, FSA will promptly ship all remaining Buffer Stock to Buyer and will invoice Buyer for such product. Invoices
for products described in Section 4-a (2) of this Agreement will be issued upon shipment of such products to Buyer. 

  
 - 18 - 

 Acacia FSA Confidential 

EXHIBIT A-1 
 BUFFER STOCK
PRODUCTS, QUANTITIES, LEADTIMES 
  

									
	 FSA Part Number
	  	 Buyer Part

Number
	  	 Buffer Stock

Quantity
	  	 Start Date
	  	 Minimum Order

Quantity

	[**]	  	[**]	  	[**]	  	[**]	  	[**]
		  		  		  		  	
		  		  		  		  	

 * Buyer and FSA intend to maintain a Buffer Stock Quantity equal to [**] weeks of Buyer’s forecasted requirements. 

Acacia Supply Agreement 131010 

  
 - 19 -

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