Between GREATBATCH MEDICAL SAS Z.I. La Vendue - BP 88 52000 Chaumont And LDR MEDICAL 4, Rue Gustave Eiffel 10430 ROSIÈRES PRESTROYES

Exhibit 10.28

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Between

GREATBATCH MEDICAL SAS

Z.I. La Vendue - BP 88

52000 Chaumont

And

LDR MEDICAL

4, Rue Gustave Eiffel

10430 ROSIÈRES PRES TROYES

[here and on all subsequent pages:

two sets of initials]

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TABLE OF CONTENTS

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The purpose of this agreement is to define the conditions of the commercial agreement

Between:

The party of the first part, the French company LDR MEDICAL, a company duly organized and governed by French law, with share capital of €215,357.40, having corporate headquarters at 4 rue Gustave Eiffel, Rosières Près Troyes, registered with the RCS [Trade and Corporate Registry] of Troyes under No. 433 924 529, acting on its own behalf as well as that of its subsidiaries, Represented by its Deputy Chief Executive Officer, Mr. Eric Vigneron, Hereinafter referred to as “LDR MEDICAL”

And

The party of the second part, the French company GREATBATCH MEDICAL SAS, a company duly organized and governed by French law, with share capital of €37,000, having corporate headquarters at Z.I. de la Vendue 52000 Chaumont, registered with the RCS of Chaumont under No. 499 235 018, Represented by its Europe CEO, Mr. Patrick Gamet, Hereinafter referred to as the “Supplier”

This agreement, including Appendices 1 and 2, shall take effect upon its signing by the parties. The terms of this agreement shall prevail over all other previous provisions (with the exception of CC SST GB 02), as well as the two parties’ general purchase and sale conditions.

The purpose of this agreement is to set forth the conditions for order placement, manufacture and delivery of the products listed in Appendix 1 to permit LDR MEDICAL to supply its customers on a timely basis and in the appropriate quantities.

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Orders shall be placed over the GREATBATCH MEDICAL SAS site in Orvin, Switzerland, to the following address:

GREATBATCH MEDICAL SAS

L’Echelette 7

2534 Orvin

SWITZERLAND

The agreement applies to the specific components (“products”) listed in Appendix 1

The “products” shall be delivered to the following address:

LDR Médical

4, Rue Gustave Eiffel

10430 ROSIÈRE PRES TROYES

FRANCE

This agreement shall enter into force on the date of its signing by the parties, for a duration of 48 months. Subsequently, each LDR MEDICAL order shall reference it as follows:

CC FRN xxxx 01 of yy/yy/yyyy, where x identifies the name of the “Supplier” and y designates the date in dd/mm/yyyy format, noting the index of the version of this agreement approved by the two parties.

Note: the index shown in the page footer [sic] of this document corresponds to the index of the original LDR MEDICAL document not yet signed.

The agreement shall be renewed in the form of an addendum, and shall occur no later than six months prior to the anniversary date of this agreement. Cancellation by either party shall be subject to a prior notice period of eighteen months. Cancellation must be communicated by registered letter with acknowledgement of receipt.

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The “Supplier” undertakes to manufacture the “products” ordered by LDR MEDICAL in accordance with the requirements specified in the plans, specification sheets and/or purchase orders, as agreed to in writing by the “Supplier.”

The products listed in Appendix 1 shall be delivered to LDR MEDICAL and shall not be subject to systematic monitoring. Thus, the “Supplier” shall be responsible for ensuring that all internal monitoring to ensure high quality has been performed.

An audit shall be carried out [***] by LDR MEDICAL at the “Supplier’s” facilities to ensure that the entire manufacturing process is in order.

The “Supplier” is required to deliver the “products” within the period specified in its Acknowledgement of Receipt of Order as accepted by LDR MEDICAL.

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In the event of elimination of a product, or any other order cancellation by LDR MEDICAL, LDR MEDICAL shall notify the “Supplier” thereof in writing.

LDR MEDICAL undertakes to purchase finished products, products in production and semi-finished products from the “Supplier’s” subcontractors and from the “Supplier” as a function of the commitment levels described in Appendix 2, as well as purchased materials and non-cancellable orders from the “Supplier’s” suppliers.

In the event that a product is subsequently changed, LDR MEDICAL shall so notify the supplier in writing.

Within [***], the “Supplier” must send to LDR MEDICAL a statement of production inventory (number of finished units in inventory, status of items in production).

LDR MEDICAL shall issue instructions in accordance with the status of products in production.

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Non-conforming delivered products shall be handled in accordance with the conditions mentioned in subcontracting specification sheet CC SST GB 02.

All “products” to be delivered by the “Supplier” are listed in Appendix 1.

Order processing shall be managed in accordance with the conditions specified in subcontracting specifications sheet CC SST GB 02.

LDR MEDICAL’s annual needs for [***] are as listed in Appendix 2. A table also defines LDR MEDICAL’s [***] needs covering the launch of MOBI C Plug & Fit in the United States.

It is understood that the desired delivery dates may be subject to adjustment by LDR MEDICAL depending upon actual market needs.

These adjustments may consist of a range of [***] but may not occur within fewer than [***] prior to the delivery dates defined in Appendix 2.

Further, quantities may be subject to fluctuations of [***].

LDR MEDICAL undertakes to supply all volumes listed in Appendix 2, attached, during the fiscal year (or no later than two months after its end).

Each year, during the final quarter of year N, LDR MEDICAL shall send to the “Supplier” the projected annual orders for year N+1 (with the same quantity range of [***] as defined above).

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It has been agreed that batch size shall be:

The list of negotiated prices is provided in Appendix 1.

Prices are firm and applicable for the duration of the agreement.

Prices, expressed in euros, are understood as being net of taxes.

For each delivery, an invoice covering all data contained in the order must be prepared and sent to LDR MEDICAL.

LDR MEDICAL shall pay the “Supplier” the amount of each invoice, [***] calendar days after its issuance date, provided that the delivered products are found to be in compliance. In the event of non-compliance, the invoice settlement time is as detailed in subcontracting specification sheet CC SST BG 02.

The “Supplier” shall ship depending on the batch sizes specified above in Paragraph 8.3.

Delivery conditions are as defined in subcontracting specification sheet CC SST BG 02.

Product title shall transfer to LDR MEDICAL at such time as the product leaves the “Supplier’s” premises.

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Any dispute concerning this agreement that cannot be settled out of court shall be considered and interpreted in accordance with French law except with regard to the application of clauses relative to conflicts between laws. In this case, the courts of Troyes alone shall be deemed competent.

This agreement may be terminated by either party in the event of material breach by the other of any of the obligations for which it is liable under this agreement. To this end, the party deeming itself injured shall send written notification to the party in breach, and if the breach is not remedied within one (1) month after receipt of such notification, the injured party shall be entitled to terminate this agreement.

Either party may, at its discretion, immediately cancel this agreement subject to written notification to the other party, in the event of bankruptcy, insolvency, disposal in favor of creditors or similar proceedings relating to the liquidation or dissolution of the other party.

Pursuant to this instrument, confidential and exclusive information (hereinafter referred to as “Confidential Information”) disclosed between the parties shall be provided in writing or, if transmitted orally, shall be provided in writing within thirty (30) days after its disclosure, and shall bear the visible label “Confidential;” notwithstanding the above, it shall be understood at all times that breach by either party of its obligation to mark information as “Confidential Information” shall not, however, release such party from its obligation to treat such information as Confidential Information in accordance with the conditions of this Section. Such Confidential Information shall include, but not be limited to, the conditions and provisions of this Agreement. Confidential Information shall be protected by the recipient to the same extent as if it were its own information; it shall not be provided to third parties; and it shall be made available solely to employees, independent contractors and/or agents of the recipient who have a need to know such Confidential Information as part of the execution of said party’s obligations pursuant to this instrument, who have been informed by the recipient of the confidential nature of the information and who have signed or have agreed to sign a confidentiality agreement containing conditions largely similar to those presented in this Section. The recipient shall use the issuer’s Confidential Information solely for purposes of executing its obligations under this instrument or in accordance with the authorizations of this Agreement. All Confidential Information shall remain the property of the issuer and the recipient shall return it to the issuer within thirty (30) days after receipt of a written request from the issuer or within thirty (30) days after the cancellation of this

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Agreement. Notwithstanding the above, the recipient may retain one copy of such Confidential Information (a) for purposes of ensuring the party’s rights and obligations with regard to such Confidential Information, or (b) if the recipient’s legal advisors deem that the recipient is required to retain a copy of the Confidential Information under applicable law. The reciprocal confidentiality obligations set forth in this Section shall apply for the entire duration of this Agreement and for five (5) years after cancellation or expiration of this Agreement. The Confidential Information shall not include information:

(i) that is or subsequently becomes accessible to the public without that being due to breach of any confidentiality obligation under this Agreement;

(ii) that is already known to the recipient, as demonstrated in written documents previously in its possession;

(iii) that has been provided to the recipient by a third party in violation of a confidentiality obligation to the issuer;

(iv) that is or was created by the recipient or on its behalf without relying on the issuer’s Confidential Information;

(v) that is used with the issuer’s written authorization in the context of applications for patent, copyright or any other intellectual property protection; or

(vi) approved in writing for publication by each party.

Notwithstanding the above, each party may provide Confidential Information to the extent that its disclosure is required: (a) under applicable law relative to the manufacture or sale of Products or for any other reason, or (b) by ruling of a competent court, provided that the issuer receives sufficient advance notification for such party to be able to appeal the court’s ruling.

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In the event of a dispute arising under this agreement that is unable to be resolved quickly during the normal course of business, authorized representatives of the parties shall quickly meet with a view to resolving the problem informally.

In the event the parties’ authorized representatives are unable to resolve the problem within a reasonable period of two (2) months after occurrence of the dispute, it shall be brought before the District Court (Tribunal de Grande Instance) of Troyes.

In the event that a provision of this agreement is declared invalid, illegal or unenforceable, such a ruling shall not affect the validity of the remaining terms of this agreement.

This agreement constitutes the entire commitment of the parties with regard to its purpose, and replaces any other prior agreements and commitments, written or oral, of the parties with regard to the purpose of this agreement.

Any amendment to the agreement must be made through a written instrument signed by the parties.

This agreement was drawn up in French and English. In the event of discrepancy between the terms of the English and French versions of this agreement, the French version of the agreement shall prevail.

The appendices to this agreement form an integral part of this agreement.

Each party has prepared this agreement for execution in triplicate by its respective representative.

NOTWITHSTANDING ANY STIPULATION OF THIS AGREEMENT TO THE CONTRARY, UNDER NO CIRCUMSTANCES SHALL THE SUPPLIER’S TOTAL LIABILITY UNDER THIS AGREEMENT EXCEED ALL AMOUNTS THAT LDR MEDICAL HAS ORDERED FROM THE SUPPLIER UNDER THIS AGREEMENT, UNLESS THE LIABILITY DERIVES FROM OR IS RELATED TO ANY PRODUCT OR SERVICE SUPPLIED BY SULZER METCO AG, IN WHICH CASE THE SUPPLIER’S TOTAL LIABILITY SHALL NOT EXCEED (A) ALL AMOUNTS THAT LDR MEDICAL SHALL HAVE PAID TO THE SUPPLIER UNDER THIS AGREEMENT, OR (B) €2 MILLION, WHICHEVER AMOUNT IS LESS.

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For [***] following use of the product, the Supplier guarantees that each Product sold under this Agreement will conform to the applicable Specifications and be free of any material or manufacturing defect. Notwithstanding any stipulation to the contrary in this Agreement, the Supplier’s guarantee pursuant to this instrument shall be void if any repair, alteration, modification or work has been done to such Product or to the extent that any alleged defect is the result of abuse, misuse, incorrect storage or maintenance, or accident, action or inaction by any party other than the Supplier. Further, the Supplier shall not be responsible for (a) the quality or condition of any material supplied by or through LDR MEDICAL, or (b) any defect provided it is due to use not consistent with applicable instructions. Pursuant to the above, if a Product is not as guaranteed and LDR MEDICAL notifies the Supplier in writing and returns such Product to the Supplier within 30 days after the discovery by LDR MEDICAL, the Supplier, at its discretion, shall quickly repair or replace the defective Product or reimburse the purchase price of the Product. Prior to return of a Product to the Supplier, LDR MEDICAL must contact the Supplier’s customer service representative and obtain an RMA number. LDR MEDICAL may only return articles and quantities approved through the RMA. Any such repaired or replaced Product shall be re-shipped to LDR MEDICAL at the Supplier’s sole expense. Such exclusive remedy shall not be considered as having violated the essential purpose insofar as the Supplier is willing and able to repair or replace a defective Product or to reimburse the purchase price in the stipulated fashion. REPAIR OR REPLACEMENT OF THE PRODUCT OR REIMBURSEMENT OF THE PURCHASE PRICE AS STIPULATED UNDER THIS LIMITED GUARANTEE IS A REMEDY EXCLUSIVE TO LDR MEDICAL. THE GUARANTEES IN THIS SECTION REPLACE ANY OTHER GUARANTEE, EXPRESS OR IMPLIED, MANDATORY OR OTHERWISE, INCLUDING BUT NOT LIMITED TO GUARANTEES OF MERCHANDISE QUALITY, COMPLIANCE AND FITNESS FOR A SPECIFIC USE.

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Neither party shall be in default under this Agreement in the event of any breach of any of its obligations under this Agreement if such breach results from events outside the control of such party and not attributable to fault or negligence by such party, including but not limited to any natural disaster, acts of a public enemy, terrorism, act of government, fire, flood, earthquake, epidemic, quarantine, embargo of merchandise and failure by carriers. If it appears that execution by either party under this Agreement might be delayed by a case of force majeure, such party shall inform the other party thereof as quickly as possible. During a period when execution by one of the parties of its obligations under this Agreement is suspended due to a case of force majeure, the other party may also suspend execution of all or part of its obligations under this instrument (other than the obligation to pay any amount owed) provided that such suspension is commercially reasonable.

In two original copies at Troyes, November 28, 2012.

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PROJECTIONS

MOBI C Plug & Fit USA:

See breakdown by month on page 2/2

ROI C (anatomical and/or lordosis)

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