Exhibit 10.03

II-VI INCORPORATED

NONQUALIFIED STOCK OPTION AGREEMENT

THIS NONQUALIFIED STOCK OPTION AGREEMENT (this “Agreement”) is dated as of the Grant Date, as specified in the applicable Summary of Award (as defined below), by and between II-VI Incorporated, a Pennsylvania corporation (“II-VI”), and the Optionee, as specified in the applicable Summary of Award, who is a director, employee or consultant of II-VI or one of its Subsidiaries (the “Optionee”). For purposes of this Agreement, the term “Company” shall include II-VI and/or any Subsidiary of II-VI that the Optionee is employed by or may become employed by or provide services to during the Optionee’s employment by II-VI or any such Subsidiary.

Reference is made to the Summary of Award (the “Summary of Award”) issued to the Optionee with respect to the applicable Award, which may be found on Morgan Stanley StockPlan Connect system www.stockplanconnect.com (or any successor system selected by II-VI) (the “StockPlan Connect System”). Reference further is made to the Summary Plan Description relating to the Plan (as defined below), which also may be found on the StockPlan Connect System.

All capitalized terms used herein, to the extent not defined herein, shall have the meanings set forth in the II-VI 2012 Omnibus Incentive Plan (as amended and/or restated from time to time, the “Plan”), a copy of which can be found on the StockPlan Connect System, and/or the applicable Summary of Award. Terms of the Plan and the Summary of Award are incorporated herein by reference. This Agreement shall constitute an Award Agreement as that term is defined in the Plan.

NOW, THEREFORE, for good and valuable consideration, the receipt and sufficiency of which is hereby acknowledged, and intending to be legally bound hereby, the Optionee and II-VI agree as follows:

1.Grant. II-VI hereby grants the Optionee on and as of the Grant Date an option (the “Option”) to purchase from II-VI the number of shares of common stock, no par value per share, of II-VI (“II-VI Common Stock”) specified in the applicable Summary of Award (the “Shares”), at the price per share equal to the Option Price, as specified in the applicable Summary of Award (the “Option Price”), subject to the terms and conditions of this Agreement and the Plan. The Option shall expire on the Expiration Date, as specified in the applicable Summary of Award, unless such Option otherwise terminates or expires earlier in accordance with the terms hereof.

2. Vesting; Expiration.

(a)The Option shall be exercisable, pursuant to the terms of the Plan, and shall vest and become exercisable in installments, as follows:

(i)Upon and after the one (1)-year anniversary of the Grant Date, the Optionee may exercise the Option with respect to any number of Shares (except with respect to fractional shares) not in excess of twenty-five percent (25%) of the total number of Shares covered by this Agreement.

(ii)Upon and after the two (2)-year anniversary of the Grant Date, the Optionee may exercise the Option with respect to any number of Shares (except with respect to fractional shares) not in excess of fifty percent (50%) of the total number of Shares underlying the Option, less the number of Shares as to which the Option was previously exercised, if any.

(iii)Upon and after the three (3)-year anniversary of the Grant Date, the Optionee may exercise the Option with respect to any number of Shares (except with respect to fractional shares) not in excess of seventy-five percent (75%) of the total number of Shares underlying the Option, less the number of Shares as to which the Option was previously exercised, if any.

(iv)Upon and after the four (4)-year anniversary of the Grant Date, the Optionee may exercise the Option with respect to any number of Shares (except with respect to fractional shares) not in excess of one-hundred percent (100%) of the total number of Shares underlying the Option, less the number of Shares as to which the Option was previously exercised, if any.

(b)In no event may the Option be exercised at any time following the ten (10)-year anniversary of the Grant Date.

3. Post-Separation from Service Exercise.

(a)Except as otherwise specifically provided in this Agreement, upon the Optionee’s Separation from Service for any reason, the Option, to the extent not then vested and exercisable pursuant to Section 2(a), shall immediately lapse and become null and void on and as of the date of such Separation from Service. The vested portion of the Option, if any, as of the date of such Separation from Service, may be exercised post-Separation from Service during the applicable periods set forth in Section 3(b).

(b)Notwithstanding Section 2(a), upon the Optionee’s Separation from Service, any portion of the Option that is unvested at the time of such Separation from Service shall vest and may be exercised as follows:

(i) Death. In the event of the Optionee’s death (i) while an employee or a Nonemployee Director of the Company, (ii) within the one (1)-year period after Separation from Service because of permanent and total disability, as defined in Code Section 22(e)(3) (a “Disability”), or (iii) within the three (3)-year period after Separation from Service because of normal retirement, as defined in II-VI’s Global Retirement Policy, any unvested portion of the Option will immediately vest and the Option may be exercised by the Optionee’s estate at any time, or from time to time, within one (1)-year of the date of the Optionee’s death but in no event later than the Expiration Date.

(ii)Disability. If the Optionee incurs a Separation from Service due to the Optionee’s Disability, any unvested portion of the Option will immediately vest and the Option may be exercised at any time, or from time to time, within one (1) year of the date of Separation from Service, but in no event later than the Expiration Date.

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(iii)Retirement. If the Optionee incurs a Separation from Service because of normal retirement, as defined in II-VI’s Global Retirement Policy, any unvested portion of the Option will continue to vest and may be exercised by the Optionee from time to time prior to the Expiration Date in accordance with the schedule set forth in Section 2(a).

(iv)Separation from Service for Cause. Notwithstanding any provision of this Agreement to the contrary, if the Optionee incurs a Separation from Service for Cause (as defined below), all of the Optionee’s rights to exercise the Option (whether vested or unvested) shall terminate on the date of such Separation from Service.

(v)Other Separation from Service. Except as otherwise determined by the Committee, if the Optionee’s Separation from Service occurs for any reason other than those set forth in clauses (i) through (iv) of Section 3(b), the unvested portion of the Option shall be deemed cancelled and forfeited on the date of the Optionee’s Separation from Service and the vested portion of the Option, if any, as of the date of such Separation from Service shall remain exercisable until the earlier of (i) the date that is ninety (90) calendar days from the date of such Separation from Service or (ii) the Expiration Date.

4. Change in Control; Adjustments to Payments.

(a)Change in Control. Notwithstanding any provision to the contrary in this Agreement or in any offer letter, employment agreement or other applicable employment or service agreement between the Optionee and the Company that discusses the effect of a Change in Control on the Optionee’s Awards, in the event of a Change in Control, the following provisions shall apply, unless provided otherwise by the Committee prior to the date of the Change in Control:

(i)To the extent this Award is assumed, converted or replaced by the resulting entity in the Change in Control, if within two (2) years after the date of the Change in Control the Optionee has a Separation from Service either (A) by the Company other than for Cause (as defined below) or (B) by the Optionee for Good Reason (as defined below), then this Award shall become vested in full and may be exercised by the Optionee any time prior to the Expiration Date.

(ii)To the extent this Award is not assumed, converted or replaced by the resulting entity in the Change in Control, then this Award shall become vested in full upon the Change in Control.

(b)“Cause” shall be defined as that term is defined in the Optionee’s offer letter, employment agreement or other applicable employment or service agreement with the Company; or, if there is no such definition, “Cause” shall mean a determination by the Company that any of the following has occurred:

(i)the willful failure by the Optionee to perform the Optionee’s duties and responsibilities to the Company (other than any such failure resulting from the Optionee’s Disability), which is not cured within ten (10) business days of receiving written notice from the

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Company specifying in reasonable detail the duties or responsibilities that the Company believes are not being adequately performed;

(ii)the willful engaging by the Optionee in any act that is damaging to the Company;

(iii)the conviction of the Optionee of, or a plea of “guilty” or “no contest” to, (A) any felony or (B) a criminal offense involving fraud, dishonesty or other moral turpitude;

(iv)any breach by the Optionee of the terms of any written agreement between the Optionee and the Company relating to proprietary information, confidentiality, non-disclosure, ownership of inventions, non-competition, non-solicitation, non-interference or non-disparagement;

(v)the engaging by the Optionee in any willful act of dishonesty resulting or intended to result, directly or indirectly, in personal gain to the Optionee; or

(vi)the commission of any act by the Optionee that is in violation of the Company’s Code of Business Conduct and Ethics.

(c)“Good Reason” shall be defined as that term is defined in the Optionee’s offer letter, employment agreement or other applicable employment or service agreement with the Company; or, if there is no such definition, “Good Reason” shall mean that any of the following has occurred, without the Optionee’s express written consent:

(i)a material reduction of the Optionee’s employment responsibilities from those immediately prior to the Change in Control;

(ii)a material reduction by the Company of the Optionee’s eligibility for Total Target Compensation as in effect immediately prior to the Change in Control, with “Total Target Compensation” defined as the Optionee’s annual base salary plus the cash and stock compensation the Optionee is eligible to receive from the Company at one hundred percent (100%) performance, whether sales incentive, bonus or otherwise;

(iii)a material increase in the amount of the Optionee’s business travel that produces a constructive relocation of the Optionee;

(iv)a material reduction by the Company in the kind or level of employee benefits to which the Optionee is entitled immediately prior to the Change in Control, with the result that the Optionee’s overall benefits package is materially reduced; or

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(v)the relocation of the Optionee to a facility or a location more than thirty (30) miles from the Optionee’s principal place of employment immediately prior to the Change in Control.

In order for the Optionee to incur a Separation from Service for Good Reason, (A) the Company must be notified by the Optionee in writing within ninety (90) days of the event constituting Good Reason, (B) the event must remain uncorrected by the Company for thirty (30) days following such notice (the “Notice Period”), and (C) such Separation from Service must occur within sixty (60) days after the expiration of the Notice Period.

(d)Adjustments to Payments.

(i)Notwithstanding any provision to the contrary in this Agreement, if it is determined that any payment or distribution by the Company to the Optionee or for the Optionee’s benefit (whether paid or payable or distributed or distributable pursuant to the terms of this Agreement or otherwise) (the “Payments”) would be subject to the excise tax imposed by Code Section 4999, or any interest or penalty is incurred by the Optionee with respect to such excise tax (such excise tax, together with any such interest and penalties, collectively referred to as the “Excise Tax”), then the Payments shall be reduced (but not below zero) if and to the extent that such reduction would result in the Optionee retaining a larger amount, on an after-tax basis (taking into account federal, state and local income taxes and the imposition of the Excise Tax), than if the Optionee received all of the Payments. The Company shall reduce or eliminate the Payments by first reducing or eliminating the portion of the Payments that are not payable in cash and then by reducing or eliminating cash payments, in each case in reverse order beginning with payments or benefits that are to be paid the farthest in time from the determination.

(ii)All determinations required to be made under this Section 4(d), including whether and when an adjustment to any Payments is required and, if applicable, which Payments are to be so adjusted, shall be made by an independent accounting firm selected by II-VI from among the four (4) largest accounting firms in the United States or any nationally-recognized financial planning and benefits consulting company (the “Accounting Firm”), which shall provide detailed supporting calculations both to II-VI and to the Optionee within fifteen (15) business days of the receipt of notice from the Optionee that there has been a Payment, or such earlier time as is requested by II-VI. In the event that the Accounting Firm is serving as accountant or auditor for the individual, entity or group effecting the Change in Control, II-VI shall appoint another nationally-recognized accounting firm to make the determinations required hereunder (which accounting firm shall then be referred to as the Accounting Firm hereunder). All fees and expenses of the Accounting Firm shall be borne solely by II-VI. If the Accounting Firm determines that no Excise Tax is payable by the Optionee, it shall furnish the Optionee with a written opinion that failure to report the Excise Tax on the Optionee’s applicable federal income tax return would not result in the imposition of a negligence or similar penalty. Any determination by the Accounting Firm shall be binding upon the Company and the Optionee.

5. Exercise; Payment of Option Price. Any exercisable portion of the Option may be exercised in whole or in part, but in no event with respect to a fraction of a share, from time to time until the Expiration Date, unless otherwise terminated pursuant to the terms of the Plan or

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this Award Agreement. II-VI may require the exercise of such Option to be accomplished via a notice of exercise submitted via the StockPlan Connect System or as otherwise required by II-VI, in accordance with the procedures established by II-VI for such exercise.

Unless purchased via a cashless exercise as described below, the Optionee shall provide for the payment of the aggregate Option Price for the number of Shares purchased and any applicable withholding taxes. Such exercise (subject to Section 6) shall be effective upon the actual receipt of such payment by II-VI. Payment of the aggregate Option Price for all Shares purchased pursuant to an exercise of the Option shall be made, at the Optionee’s option, by (a) delivering to II-VI a cashier’s check or electronic funds transfer in the amount of the aggregate Option Price (or portion thereof to be paid by cashier’s check or electronic funds transfer) payable to the order of II-VI, (b) delivering to II-VI Shares held by the Optionee, the Fair Market Value of which at the time of such exercise is equal to the aggregate Option Price (or portion thereof to be paid with previously-owned shares of II-VI Common Stock), (c) a “net exercise” under which II-VI reduces the number of Shares issued upon exercise by the largest whole number of Shares with a Fair Market Value that does not exceed the aggregate Option Price and any applicable withholding, or such other consideration received by II-VI under a cashless exercise program approved by II-VI in connection with the Plan, (d) a cashless exercise from the proceeds of a sale through a bank or broker on the date of exercise of some or all of the Shares to which the exercise relates and/or (e) any other consideration that the Committee deems appropriate and in compliance with applicable law. Payment of the Option Price in shares of II-VI Common Stock shall be made by delivering properly endorsed stock certificates to II-VI or otherwise causing such II-VI Common Stock to be transferred to the account of II-VI, either physically or through attestation. In connection with each exercise of any portion of the Option, the Optionee shall furnish such documents as II-VI in its sole discretion may deem necessary to ensure compliance with applicable rules and regulations of any stock exchange or governmental authority. No rights or privileges of a shareholder of II-VI in respect to such shares issuable upon the exercise of any portion of the Option shall accrue to the Optionee unless and until such Shares have been registered in the Optionee’s name in the books and records of II-VI.

6. Compliance with Legal Requirements. The grant and exercise of this Award, and the issuance of any Shares or other amounts under this Award, and all other obligations of the Company under this Agreement, shall be subject to all applicable laws, rules and regulations and to such approvals by any regulatory or governmental agency as may be required. Subject to Section 409A, the Committee may postpone the issuance or delivery of Shares under this Award as the Committee may consider appropriate and may require the Optionee to make such representations and furnish such information as it may consider appropriate in connection with the issuance or delivery of Shares in compliance with applicable laws, rules and regulations.

7. Nontransferability. Except as otherwise provided in the Plan, the Option shall not be sold, pledged, assigned, hypothecated, transferred or disposed of (a “Transfer”) in any manner, other than by will or the laws of descent and distribution. Any attempt to Transfer the Option in violation of this Agreement or the Plan shall render the Option null and void.

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8. Adjustments. Upon any event described in Section 12 of the Plan (entitled “Adjustments”) or any successor provision thereto, the terms of such Section 12 of the Plan or any successor provision thereto shall apply to this Award.

9. Responsibility for Taxes.

(a)Regardless of any action the Company takes with respect to any or all income tax, payroll tax or other tax-related withholding (“Tax-Related Items”), the Optionee acknowledges that the ultimate liability for all Tax-Related Items owed by the Optionee is and remains the Optionee’s responsibility and that the Company (i) makes no representations or undertakings regarding the treatment of any Tax-Related Items in connection with any aspect of this Award, including the grant, vesting or exercise of this Award or the subsequent sale of Shares acquired pursuant to this Award; and (ii) does not commit to structure the terms of the grant or any aspect of this Award to reduce or eliminate the Optionee’s liability for Tax-Related Items.

(b)Prior to the time any Tax-Related Items become due in connection with this Award, the Optionee shall pay or make adequate arrangements satisfactory to the Company to satisfy all minimum withholding obligations of the Company. In this regard, the Optionee authorizes the Company to withhold all applicable minimum Tax-Related Items legally payable by the Optionee from the Optionee’s wages or other cash compensation paid to the Optionee by the Company or from proceeds of the sale of Shares. Alternatively, or in addition, to the extent permissible under applicable law, the Company may (i) sell or arrange for the sale of Shares that the Optionee acquires to meet the minimum withholding obligation for Tax-Related Items, and/or (ii) withhold Shares otherwise issuable upon exercise of this Award, provided that the Company only withholds the amount of Shares necessary to satisfy the minimum withholding amount. Finally, the Optionee shall pay to the Company any amount of Tax-Related Items that the Company may be required to withhold as a result of the Optionee’s participation in the Plan that cannot be satisfied by the means previously described. The Company may refuse to issue and deliver Shares upon exercise of this Award if the Optionee fails to comply with the Optionee’s obligations in connection with the Tax-Related Items as described in this Section 9.

(c)The Optionee acknowledges the receipt of tax information relating to this Award, including the need to consult the Optionee’s own tax advisors.

10. Plan Provisions. In the event of any conflict between the provisions of this Agreement and the Plan, the Plan shall control, except that capitalized terms specifically defined in this Agreement shall have the meaning given to them in this Agreement with respect to their usage in this Agreement, notwithstanding the definitions given to such terms in the Plan (which definitions shall control as they relate to the usage of such terms in the Plan).

11. No Continued Rights. The granting of the Option shall not give the Optionee any rights to similar grants in future years or any right to continuance of employment or other service with II-VI or its Subsidiaries, nor shall it interfere in any way with any right that the Company would otherwise have to terminate the Optionee’s employment or other service at any time, or the right of the Optionee to terminate his or her employment or other service at any time.

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12. Non-Competition; Non-Solicitation; Confidentiality.

(a) While the Optionee is employed by the Company and for a period of one (1) year after the Optionee’s Separation from Service for any reason (the “Restricted Period”), the Optionee will not directly or indirectly:

(i) Engage in any business or enterprise (whether as owner, partner, officer, director, employee, consultant, investor, lender or otherwise, except as the holder of not more than one percent (1%) of the outstanding stock of a publicly-held company), that develops, manufactures, markets or sells any product or service that competes with any product or service developed, manufactured, marketed or sold or, to the Optionee’s knowledge, planned to be developed, manufactured, marketed or sold, by II-VI or its Subsidiaries while the Optionee was employed by the Company, within the United States of America and/or any other country within which II-VI or its Subsidiaries have customers or prospective customers.

(ii) (A) solicit for the purpose of selling or distributing any products or services that are the same or similar to those developed, manufactured, marketed or sold by II-VI or its Subsidiaries, (1) any customers of II-VI or its Subsidiaries, (2) any prospective customers known by the Optionee to have been solicited by II-VI or its Subsidiaries within the twelve (12) months prior to the Optionee’s Separation from Service, or (3) any distributors, sales agents or other third-parties who sell to or refer potential customers in need of the types of products and services produced, marketed, licensed, sold or provided by II-VI or its Subsidiaries who have become known to the Optionee as a result of his/her employment with the Company, or (B) induce or attempt to induce any vendor, supplier, licensee or other business relation of II-VI or its Subsidiaries to cease or restrict doing business with II-VI or its Subsidiaries, or in any way interfere with the relationship between any such vendor, supplier, licensee or business relation and II-VI or its Subsidiaries.

(iii) Either alone or in association with others (A) solicit, or permit any organization directly or indirectly controlled by the Optionee to solicit, any employee of II-VI or its Subsidiaries to leave the employ of II-VI or its Subsidiaries, or (B) solicit for employment, hire or engage as an independent contractor, or permit any organization directly or indirectly controlled by the Optionee to solicit for employment, hire or engage as an independent contractor, any person who was employed by II-VI or its Subsidiaries at any time during the term of the Optionee’s employment with the Company; provided that this clause (B) shall not apply to any individual whose employment with II-VI or its Subsidiaries has been terminated for a period of one (1) year or longer.

(b) The Optionee acknowledges that certain materials, including information, data, technology and other materials relating to customers, programs, costs, marketing, investment, sales activities, promotion, credit and financial data, manufacturing processes, financing methods, plans or the business and affairs of II-VI and its Subsidiaries constitute proprietary confidential information and trade secrets. Accordingly, the Optionee will not at any time during or after the Optionee’s employment with the Company disclose or use for the Optionee’s own benefit or purposes or the benefit or purposes of any other person, firm, partnership, joint venture, association, corporation or other business organization, entity or

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enterprise, other than the Company, any proprietary confidential information or trade secrets; provided that the foregoing shall not apply to information which is not unique to II-VI and its Subsidiaries or which is generally known to the industry or the public other than as a result of the Optionee’s breach of this covenant. The Optionee agrees that, upon Separation from Service for any reason, the Optionee will immediately return to II-VI all property of II-VI and its Subsidiaries, including all memoranda, books, technical and/or lab notebooks, customer product and pricing data, papers, plans, information, letters and other data, and all copies thereof or therefrom, which in any way relate to the business of II-VI and its Subsidiaries, except that the Optionee may retain personal items. The Optionee further agrees that the Optionee will not retain or use for the Optionee’s account at any time any trade names, trademark or other proprietary business designation used or owned in connection with the business of II-VI and its Subsidiaries.

The Restricted Period will be tolled during and for any period of time during which the Optionee is in violation of the restrictive covenants contained in this Section 12 and for any period of time which may be necessary to secure an order of court or injunction, either preliminary or permanent, to enforce such covenants, such that the cumulative time period during which the Optionee is in compliance with the restrictive covenants contained in Section 12 will not exceed the one (1)-year period set forth above.

13. Remedies; Clawback.

(a) Company and the Optionee acknowledge and agree that that any violation by the Optionee of any of the restrictive covenants contained in Section 12 would cause immediate, material and irreparable harm to II-VI and its Subsidiaries which may not adequately be compensated by money damages and, therefore, II-VI and its Subsidiaries shall be entitled to injunctive relief (including one (1) or more preliminary injunctions and/or ex parte restraining orders) in addition to, and not in derogation of, any other remedies provided by law, in equity or otherwise for such a violation, including the right to have such covenants specifically enforced by any court of competent jurisdiction, the rights under Section 13(b), and the right to require the Optionee to account for and pay over to II-VI all benefits derived or received by the Optionee as a result of any such breach of covenant together with interest thereon, from the date of such initial violation until such sums are received by II-VI.

(b) In the event that the Optionee violates or breaches any of the covenants set forth in Section 12, the Option (whether vested or unvested) and the right to receive Shares upon exercise thereof shall be forfeited. II-VI shall also have the right, in its sole discretion, in addition to any other remedies or damages provided by law, in equity or otherwise, to demand and require the Optionee, to the extent that any portion of the Option was exercised, to (i) return and transfer to II-VI any Shares acquired through any exercise of the Option that are directly or beneficially owned by the Optionee, and (ii) to the extent that the Optionee sold or transferred any such Shares, disgorge and/or repay to II-VI any profits or other economic value (as reasonably determined by II-VI) made or realized by the Optionee with respect to such Shares, including the value of any gift thereof.

(c) This Award, and any amounts or benefits received or outstanding under the Plan, as well as any other incentive awards previously granted to the Optionee by

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the Company, shall be subject to potential clawback, cancellation, recoupment, rescission, payback, reduction, or other similar action in accordance with the terms or conditions of any applicable Company clawback or similar policy or any applicable law related to such actions, as may be in effect from time to time, including the requirements of (a) Section 304 of the Sarbanes Oxley Act and Section 954 of the Dodd-Frank Wall Street Reform and Consumer Protection Act, (b) similar rules under the laws of any other jurisdiction, and (c) any policies adopted by the Company to implement such requirements. The Optionee acknowledges and consents to the Company’s application, implementation and enforcement of any applicable Company clawback or similar policy that may apply to the Optionee, whether adopted prior to or following the Grant Date, and any provision of applicable law relating to clawback, cancellation, recoupment, rescission, payback, or reduction of compensation, and agrees that the Company may take such actions as may be necessary to effectuate any such policy or applicable law, without further consideration or action.

14. Optionee Acknowledgments. The Optionee acknowledges and agrees that (a) as a result of the Optionee’s previous, current and future employment with the Company, the Optionee has had access to, will have access to and/or possesses or will possess confidential and proprietary information of II-VI and its Subsidiaries, (b) II-VI and its Subsidiaries are engaged in a highly competitive business and conduct such business worldwide, (c) this Agreement does not constitute a contract of employment, does not imply that the Company will continue the Optionee’s employment for any period of time and does not change the at-will nature of the Optionee’s employment, except as set forth in a separate written employment agreement between the Company and the Optionee, (d) the restrictive covenants set forth in Section 12 are necessary and reasonable in time and scope (including the period, geographic, product and service and other restrictions) to protect the legitimate business interests of II-VI and its Subsidiaries, (e) the remedy, forfeiture and payment provisions contained in Section 12 are reasonable and necessary to protect the legitimate business interests of II-VI and its Subsidiaries, (f) acceptance of this Award and the Option and agreement to be bound by the provisions hereof is not a condition of the Optionee’s employment and (g) the Optionee’s receipt of the benefits provided under this Agreement is adequate consideration for the enforcement of the provisions contained in Section 12 and Section 13.

15. Severability; Waiver. If any term, provision, covenant or restriction contained in this Agreement is held by a court or a federal regulatory agency of competent jurisdiction to be invalid, void or unenforceable, the remainder of the terms, provisions, covenants and restrictions contained in this Agreement shall remain in full force and effect, and shall in no way be affected, impaired or invalidated. In particular, in the event that any of such provisions shall be adjudicated to exceed the time, geographic, product and service or other limitations permitted by applicable law in any jurisdiction, then such provisions shall be deemed reformed in such jurisdiction to the maximum time, geographic, product and service or other limitations permitted by applicable law. No delay or omission by II-VI in exercising any right under this Agreement will operate as a waiver of that or any other right. A waiver or consent given by II-VI on any one occasion is effective only in that instance and will not be construed as a bar to or waiver of any right on any other occasion.

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16. Controlling Law. The validity, construction and effect of this Agreement will be determined in accordance with the internal laws of the Commonwealth of Pennsylvania without giving effect to the conflict of laws principles thereof. The Optionee and II-VI hereby irrevocably submit to the exclusive jurisdiction of the state and Federal courts located in the Commonwealth of Pennsylvania and consent to the jurisdiction of any such court; provided, however, that, notwithstanding anything to the contrary set forth above, II-VI may file an action to enforce the covenants contained in Section 12 by seeking injunctive or other equitable relief in any appropriate court having jurisdiction, including where the Optionee resides or where the Optionee was employed by the Company. The Optionee and II-VI also both irrevocably waive, to the fullest extent permitted by applicable law, any objection either may now or hereafter have to the laying of venue of any such dispute brought or injunctive or equitable relief sought in such court or any defense of inconvenient forum for the maintenance of such dispute and consent to the personal jurisdiction of any such court. The Company shall be a third-party beneficiary of this Agreement.

17. Notice. II-VI may require any notice required or permitted under this Agreement to be transmitted, submitted or received, by II-VI or the Optionee, via the StockPlan Connect System in accordance with the procedures established by II-VI for such notice. Otherwise, except as otherwise set forth in this Agreement, any written notice required or permitted by this Agreement shall be mailed, certified mail (return receipt requested) or by overnight carrier, to II-VI at the following address:

II-VI Incorporated

Attention: Chief Financial Officer

375 Saxonburg Boulevard

Saxonburg, Pennsylvania 16056

or to the Optionee at his or her most recent home address on record with II-VI. Notices are effective upon receipt.

18. Entire Agreement. This Agreement (including the Plan and the Summary of Award) contains the entire understanding between the parties and supersedes any prior understanding and agreements between them regarding the subject matter hereof with respect to the Option, and there are no other representations, agreements, arrangements or understandings, oral or written, between the parties relating to the Option which are not fully expressed herein. Notwithstanding anything to the contrary set forth in this Agreement, any restrictive covenants contained in this Agreement are independent, and are not intended to limit the enforceability, of any restrictive or other covenants contained in any other agreement between the Company and the Optionee.

19. Captions; Section References. Section and other headings contained in this Agreement are for reference purposes only and are in no way intended to describe, interpret, define or limit the scope, extent or intent of this Agreement or any provision hereof. Unless expressly provided otherwise, any reference in this Agreement to any Section refers to the corresponding Section of this Agreement.

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20. Limitation of Actions. Any lawsuit commenced by the Optionee with respect to any matter arising out of or relating to this Agreement must be filed no later than one (1) year after the date that a denial of any claim hereunder is made or any earlier date that the claim otherwise accrues.

21. Section 409A. This Agreement and the Option are intended to be excepted from coverage under Section 409A and shall be administered, interpreted, and construed accordingly. II-VI, in its sole discretion and without the Optionee’s consent, may impose conditions on the timing and effectiveness of any exercise by the Optionee, or take any other action it deems necessary, including amending the terms of this Award and this Agreement to cause the Option to be excepted from Section 409A (or to comply therewith to the extent that II-VI determines it is not excepted). Notwithstanding, the Optionee recognizes and acknowledges that Section 409A may affect the timing and recognition of payments due hereunder, and may impose upon the Optionee certain taxes or other charges for which the Optionee is and shall remain solely responsible.

22. Assignment. Except as provided in Section 7, the Optionee’s rights and obligations under this Agreement shall not be transferable by the Optionee, by assignment or otherwise, and any purported assignment, transfer or delegation thereof by the Optionee shall be void. II-VI may assign/delegate all or any portion of this Agreement and its rights hereunder without prior notice to the Optionee and without the Optionee providing any additional consent thereto, whereupon the Optionee shall continue to be bound hereby with respect to such assignee/delegate.

23. Electronic Delivery. II-VI may, in its sole discretion, deliver any documents or correspondence related to this Agreement, the Option, the Plan, the Optionee’s participation in the Plan or future awards that may be granted to the Optionee under the Plan, by electronic means. The Optionee hereby consents to receive such documents by electronic delivery and to the Optionee’s participation in the Plan through an on-line or electronic system established and maintained by II-VI or another third party designated by II-VI, including the StockPlan Connect System. Likewise, II-VI may require the Optionee to deliver or receive any documents or correspondence related to this Agreement by such electronic means.

24. Further Assurances. The Company and the Optionee shall use commercially reasonable efforts to, from time to time at the request of the other party, without any additional consideration, furnish the other party such further information or assurances, execute and deliver such additional documents and take such other actions and do such other things, as may be necessary to carry out the provisions of this Agreement.

25. Appendix A. The Optionee acknowledges and agrees that, if the Optionee is an employee outside the U.S., this Award is subject to the general terms applicable to Awards granted to employees outside the U.S. set forth in Appendix A hereto. Appendix A constitutes part of this Agreement. The Company reserves the right to impose other requirements on this Award to the extent that the Company determines that it is necessary or advisable in order to comply with local law or facilitate the administration of this Award and to require the Optionee

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to sign any additional agreements or undertakings that may be necessary to accomplish the foregoing.

26. Amendments. This Agreement may be amended or modified at any time by an instrument in writing signed by the parties hereto, or as otherwise provided under the Plan or this Agreement.

[SIGNATURE PAGE FOLLOWS]

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IN WITNESS WHEREOF, the parties have executed this Agreement as of the Grant Date set forth above. Electronic acceptance of this Agreement by the Optionee pursuant to II-VI’s instructions to the Optionee (including via the StockPlan Connect System) shall constitute execution of this Agreement by the Optionee.

The Optionee agrees that his or her electronic acceptance of this Agreement via electronic means, including via the StockPlan Connect System, shall constitute his or her signature, and that he or she agrees to be bound by all of the terms and conditions of this Agreement.

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Appendix A

General Terms Applicable to Awards Granted to Employees Outside the U.S.

1.DATA PRIVACY

By accepting this Award, the Optionee hereby explicitly and unambiguously consents to the collection, use and transfer, in electronic or other form, of the Optionee’s personal data as described in this document and any other grant materials by the Company for the exclusive purpose of implementing, administering and managing this Award.

The Optionee understands that the Company holds certain personal information about the Optionee, including the Optionee’s name, home address, telephone number, date of birth, social insurance or other identification number, salary, nationality, job title, any shares of stock or directorships held in the Company, details of any entitlement to Shares or equivalent benefits awarded, canceled, vested, unvested or outstanding in the Optionee’s favor (the “Data”), for the purpose of implementing, administering and managing the Optionee’s participation in the Plan. The Optionee understands that the Data may be transferred to any third parties assisting in the implementation, administration and management of the Plan, that these Data recipients may be located in the Optionee’s country or elsewhere (for example, the United States) and that the Data recipient’s country may have different data privacy laws and protections from the Optionee’s country. The Optionee understands that the Optionee may request a list with the names and addresses of any potential recipients of the Data by contacting the Optionee’s local human resources representative. The Optionee authorizes the Data recipients to receive, possess, use, retain and transfer the Data, in electronic or other form, for the exclusive purposes of implementing, administering and managing the Optionee’s participation in the Plan. The Optionee understands that the Data will be held only as long as is necessary to implement, administer and manage the Optionee’s participation in the Plan. The Optionee understands that the Optionee may, at any time, view the Data, request additional information about the storage and processing of the Data, require any necessary amendments to the Data or refuse or withdraw the consents herein, in any case without cost, by contacting in writing the Optionee’s local human resources representative. Further, the Optionee understands that the Optionee is providing the consents herein on a purely voluntary basis. If the Optionee does not consent, or if the Optionee later seeks to revoke the Optionee’s consent, the Optionee’s employment status or service and career with the Company will not be adversely affected; the only adverse consequence of refusing or withdrawing the Optionee’s consent is that the Company would not be able to grant to the Optionee this Award or other awards or administer or maintain this Award or such other awards. Therefore, the Optionee understands that refusing or withdrawing the Optionee’s consent may affect the Optionee’s ability to benefit from this Award. For more information on the consequences of the Optionee’s refusal to consent or withdrawal of consent, the Optionee understands that the Optionee may contact the Optionee’s local human resources representative.

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2.ADDITIONAL ACKNOWLEDGEMENTS

By entering into this Agreement and accepting this Award evidenced hereby, the Optionee acknowledges, understands and agrees that:

(a)the Plan is established voluntarily by the Company, and all awards under the Plan are discretionary in nature;

(b)the grant of this Award is voluntary and occasional and does not create any contractual or other right to receive future awards or benefits in lieu of awards, even if such awards have been awarded in the past;

(c)all decisions with respect to future awards, if any, will be at the sole discretion of the Company;

(d)the grant of this Award shall not create a right to employment with the Company and shall not interfere with the ability of the Company to terminate the Optionee’s employment or service relationship (if any);

(e)the Optionee is voluntarily participating in the Plan;

(f)this Award and any payment made pursuant to this Award, and the value and income of the same, are not part of normal or expected compensation or salary for any purposes, including calculating any severance, resignation, termination, redundancy, dismissal, end-of-service, bonus, long-service, pension, retirement or similar benefits, payments or awards;

(g)unless otherwise agreed with the Company, this Award and any Shares subject to this Award, and the value and income of the same, are not granted as consideration for, or in connection with, any service the Optionee may provide as a director of II-VI or any Subsidiary;

(h)in accepting this Award, the Optionee expressly recognizes that this Award is made solely by II-VI, with principal offices at 375 Saxonburg Boulevard; Saxonburg, Pennsylvania  16056; U.S.A.; II-VI is solely responsible for the administration of the Plan and the Optionee’s participation in the Plan; in the event that the Optionee is an employee of a Subsidiary, this Award and the Optionee’s participation in the Plan will not create a right to employment or be interpreted to form an employment or service contract or relationship with II-VI; and this Award will not be interpreted to form an employment or service contract with any Subsidiary;

(i)the future value of the Shares that may be delivered under this Award (pursuant to the terms of this Award) is unknown, indeterminable and cannot be predicted with certainty;

(j)no claim or entitlement to compensation or damages shall arise from forfeiture of this Award resulting from termination of the Optionee’s employment or service (for any reason whatsoever, whether or not such termination is later found to be invalid or in breach of the

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employment laws in the jurisdiction where the Optionee is employed or providing services or the terms of the Optionee’s employment or service agreement, if any) or recoupment of all or any portion of any payment made pursuant to this Award as provided by any applicable Company compensation recoupment, clawback or similar policy or any applicable law related to such actions, as may be in effect from time to time and, in consideration of the grant of this Award to which the Optionee is not otherwise entitled, the Optionee irrevocably agrees never to institute any claim against II-VI or any Subsidiary, waives the Optionee’s ability, if any, to bring any such claim, and releases II-VI and its Subsidiaries from any such claim; if, notwithstanding the foregoing, any such claim is allowed by a court of competent jurisdiction, then, by participating in the Plan, the Optionee shall be deemed irrevocably to have agreed not to pursue such claim, and the Optionee agrees to execute any and all documents necessary to request dismissal or withdrawal of such claim;

(k)for purposes of this Award, the Optionee’s employment will be considered terminated as of the date the Optionee is no longer actively employed and providing services to the Company (for any reason whatsoever, whether or not such termination is later found to be invalid or in breach of the employment laws in the jurisdiction where the Optionee is employed or providing services or the terms of the Optionee’s employment or service agreement, if any), and unless otherwise expressly provided in this Agreement or otherwise determined by the Company, the Optionee’s right to vest in any portion of this Award (and any related dividend equivalents or similar rights) under the Plan, if any, will terminate as of such date and will not be extended by any notice period (for example, the Optionee’s active employment or period of service would not include any contractual notice period or any period of “garden leave” or similar period mandated under the employment laws in the jurisdiction where the Optionee is employed or providing services or the terms of the Optionee’s employment or service agreement, if any); the Company, in its sole discretion, shall determine when the Optionee is no longer actively employed or providing services for purposes of this Award (including whether the Optionee may still be considered to be actively employed or providing services while on an approved leave of absence);

(l)the Optionee is solely responsible for investigating and complying with any exchange control laws applicable to the Optionee in connection with his or her participation in the Plan;

(m)unless otherwise provided in the Plan or by the Company in its sole discretion, this Award and the benefits evidenced by this Agreement do not create any entitlement to have this Award or any such benefits transferred to, or assumed by, another company nor to be exchanged, cashed out or substituted for, in connection with any corporate transaction affecting the Shares; and

(n)the Company shall not be liable for any foreign exchange rate fluctuation between the Optionee’s local currency and the United States Dollar that may affect the value of this Award, any payment made pursuant to this Award or the subsequent sale of any Shares acquired under the Plan.

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3.LANGUAGE

If the Optionee has received this Agreement or any other document related to the Plan translated into a language other than English and if the meaning of the translated version differs from the English version, the English version shall control.

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