Document:

Guarantee - OA Oakmead II LLC

 Exhibit 10.20 
 GUARANTEE 
 THIS GUARANTEE is made by Alpha and Omega
Semiconductor Limited, a company incorporated in Bermuda on September 27, 2000 as an exempted limited liability company, registered office address: Clarendon House, 2 Church Street, Hamilton HM 11, Bermuda (“Guarantor”) for the
benefit of OA Oakmead II, LLC, a Delaware limited liability company (“Landlord”). It is dated for reference purposes only as of January 5, 2010. 
 Recitals 
 This Guarantee is entered into based upon the following facts
and undertakings of the parties, which are conclusively agreed between the parties as terms of this Guarantee and not as mere recitals: 
 A. Landlord and Alpha and Omega Semiconductor Incorporated, a California corporation (“Tenant”) are concurrently entering into a Lease of even date herewith (the “Lease”) relating to
premises located at 475 Oakmead Parkway, Sunnyvale, California (the “Premises”). 
 B. Guarantor is the parent company
of Tenant, owning 100% of the shares thereof. Guarantor enters into this Guarantee for the business purpose of benefitting its wholly owned subsidiary and accordingly advancing its own interests. In order to induce Landlord to enter into the Lease,
Guarantor has offered to execute and is executing this Guarantee. 
 C. Guarantor is fully familiar with the Lease and has
reviewed same and consulted with counsel to the extent deemed advisable with regard to both the Lease and this Guarantee. 
 NOW
THEREFORE, in order to induce Landlord to enter into the Lease and for other good and valuable consideration, receipt of which is hereby acknowledged, Guarantor agrees as follows: 
 1. Guarantee; Scope. Guarantor unconditionally guarantees and promises, to and for the benefit of Landlord, that Tenant shall perform
and pay when due all of the obligations of the Lease, including but not limited to the payment of all Base Rent, Additional Rent, and other financial obligations thereunder, including any damages, attorney’s fees, costs or other financial
obligations which Landlord incurs and which are Tenant’s obligation under the Lease, as well as all other non-financial obligations which Tenant is to perform under the Lease. Tenant’s obligations under the Lease are referred to herein as
the “Obligations.” 
 2. Nature of Guarantee. The obligations of Guarantor hereunder are independent of the
Obligations of Tenant. A separate action may be brought or prosecuted against Guarantor whether or not an action is brought or prosecuted against Tenant, or whether or not Tenant is joined in the action. Guarantor agrees that this Guarantee is and
shall be construed as an absolute, unconditional, continuing and unlimited obligation of Guarantor without regard to and unaffected by the regularity, validity or enforceability of the Obligations and without regard to any subsequent course of
conduct by Landlord, Tenant or Guarantor or any combination of them. Without limiting the generality of the foregoing, the obligations of Guarantor hereunder shall in no way be released, diminished or otherwise affected by reason of any voluntary or
involuntary proceedings by or against Tenant in bankruptcy or for an arrangement or reorganization or for any other relief under any provision of the Bankruptcy Act or any other insolvency or debtor’s relief law from time to time in effect.
Guarantor shall have no right to cancel or withdraw from its continuing guarantee of all Obligations. Notwithstanding the foregoing, nothing in this Guarantee shall grant to the Landlord any right of action against the Guarantor unless the Landlord
has given all required notices of default in respect of a specific default to the Tenant pursuant to the Lease and all applicable cure periods, if any, for the Tenant to cure such default(s) have expired. The Landlord shall permit the Guarantor to
cure the Tenant’s default within the cure periods provided to the Tenant under the Lease, if any. 
 3.
Modification. The provisions of the Lease may be changed by agreement between Landlord and Tenant at any time by agreement, with or without the consent of or notice to Guarantor. Guarantor’s liability under this Guarantee shall not be in
any way affected by such change and this Guarantee shall guarantee the performance in full of the Obligations as so changed. The election by Landlord to secure the consent of Guarantor before making one or more changes in the Lease shall not be
deemed a waiver of the provisions of this paragraph with regard to any past or future change in the Lease. 

 4. Assignment. Assignment of the Lease by Landlord or Tenant, or any sublease of all
or part of the Premises, with or without notice to or the consent of Guarantor, shall not affect this Guarantee or in any way exonerate or release Guarantor from its obligations under this Guarantee. If Tenant assigns or otherwise transfers its
interest in the Lease, this Guarantee and Guarantor’s obligations hereunder shall remain in effect with respect to the assignee or other transferee and all subsequent assignees or other transferees of such interest, unless Landlord has provided
a written release of Guarantor in connection therewith. Landlord may without notice assign its interest in this Guarantee in whole or in part to any person, provided, however, that Guarantor’s performance of its obligations hereunder to or for
the benefit of Landlord (instead of any such assignee) shall satisfy Guarantor’s obligations hereunder unless Landlord has given written notice to Guarantor of Landlord’s assignment of the benefits of this Guarantee including the name and
address of such assignee. Guarantor may not assign its rights or delegate its duties under this Guarantee. 
 5.
Landlord’s Right to Dispose of Security. Guarantor authorizes Landlord, without notice or demand and without affecting Guarantor’s liability hereunder, from time to time to: (I) take and hold security for performance of the
Obligations and exchange, enforce, waive or release any or all such security, and (ii) apply such security in whole or in part and direct the order or manner of sale thereof as Landlord, in its discretion, may determine. Guarantor waives the
benefit of and any right to participate in any security now or hereafter held by Landlord from Tenant except to the extent such security remains after performance in full of the Obligations. 
 6. Waivers by Guarantor. To the extent permitted by applicable law, Guarantor waives any right it may otherwise have to now or
hereafter; (i) require Landlord to proceed against Tenant or to pursue any other remedy in Landlord’s power; (ii) require Landlord to proceed against or exhaust any security it now or hereafter acquires from Tenant; (iii) assert
any defense it may acquire by reason of any waiver, act, omission, extension, modification, forbearance by Landlord and/or by reason of Landlord’s election of any remedy against it or Tenant or both; and (iv) require Landlord to make any
presentment, demand for performance, notice of non-performance, protest, notice of acceptance of this Guarantee, or notice of the existence or creation of all or any part of the Obligations. Guarantor waives any defense by reason of any disability
of Tenant, and waives any other defense based on the termination of Tenant’s liability from any cause. 
 7. Limitations
on Subrogation. Notwithstanding any payments made by Guarantor under this Guarantee, Guarantor shall have no right, and waives any right it may have, to subrogation and/or to enforcement of any remedy it may have against Tenant until after all
the Obligations shall have been performed and paid in full. 
 8. Non-Waiver of Terms. No waiver of any breach or default
of any term or condition of this Guarantee or the Obligations shall be valid unless made in writing, signed by the waiving party, nor shall any such waiver constitute or be construed as a waiver by Landlord of any subsequent breach or default of
that term or condition or of any breach or default of any other term or condition. 
 9. Notices and Service of Process.
Guarantor agrees that any notice or demand upon it, including but not limited to a summons and complaint in a lawsuit arising hereunder, shall be deemed given and served if it is in writing and it is personally served on Guarantor, or hand delivered
to Guarantor’s registered address above by responsible courier authorized to make legal service in Bermuda, or sent by Federal Express or UPS by next business day delivery to Guarantor’s registered address above, or mailed by first
class U.S. mail, postage prepaid, return receipt requested, addressed to Guarantor at its registered address above. Guarantor may, by notice in writing to Landlord, specify a different address for notice in writing to Guarantor, and from ten
(10) days after such notice is given to Landlord, such new notice address shall be utilized by Landlord for any notice. Any such notice or demand shall be deemed delivered and received if delivered before 5:00 p.m. recipient’s local time
on a business day, or if tendered for delivery between the hours 9:00 a.m. and 5:00 p.m. recipient’s local time on a business day and refused, on the date of actual (or refused) delivery as evidenced by postal or courier receipt. If a notice or
demand is delivered on a day other than a business day, or before 9:00 A.M. or after 5:00 PM on a business day, same shall be deemed delivered and received upon the next business day thereafter. Landlord shall have no duty to investigate any
possible change in the registered address of Guarantor, and the change of such registered address shall not change Guarantor’s address for notice hereunder, even if known to Landlord, unless Guarantor gives notice of such new address as set
forth above. 

 10. General Provisions. This Guarantee shall be enforced and construed in accordance
with the laws of the State of California applicable to wholly intrastate California transactions, and without regard to any California law or rule relating to choice of laws (and all references to “applicable law” shall be deemed to be
references to such California law). THIS AGREEMENT SHALL BE DEEMED TO BE AN AGREEMENT MADE UNDER THE LAW OF THE STATE OF CALIFORNIA AND FOR ALL PURPOSES SHALL BE GOVERNED BY AND CONSTRUED IN ACCORDANCE WITH SUCH LAWS, WITHOUT REGARD TO ANY
CALIFORNIA LAW OR RULE RELATING TO CHOICE OF LAWS. Guarantor agrees to pay reasonable and documented attorneys’ fees and all other reasonable and documented costs and expenses which may be incurred by Landlord in the enforcement of this
Guarantee. To the extent permitted by applicable law, all remedies of Landlord hereunder shall be cumulative, and no delay or omission by Landlord in the exercise of its rights or remedies under the Lease or under this Guarantee shall impair or
otherwise affect the right of Landlord to later pursue any remedy available to it in connection with the enforcement of this Guarantee. Successive demands may be made upon, and successive actions for the enforcement of such demands may be brought
against, Guarantor upon the successive breach of or default under any Obligation. The enforcement of this Guarantee against Guarantor with respect to any particular breach of or default under any Obligation shall not operate to exhaust this
Guarantee or to waive Landlord’s right to proceed under this Guarantee with respect to any future default or breach. If any provision hereof and/or any of Guarantor’s obligations hereunder shall be, or are adjudged to be, unenforceable,
the remainder of this Guarantee and/or all of Guarantor’s other obligations hereunder shall remain in full force and effect and not be affected thereby. Guarantor acknowledges that its undertakings hereunder are given in consideration of
Landlord’s acceptance of the Lease and execution thereof and that Landlord will not consummate the Lease without the execution and delivery of this Guarantee by Guarantor. If there is more than one Guarantor, all obligations of this Guarantee
are joint and several obligations of the Guarantors. 
 11. Jurisdiction. Guarantor and Landlord agree that any legal
proceedings brought regarding this Guarantee, or to enforce this Guarantee, or arising out of this Guarantee, shall be brought solely and exclusively in the State or Federal Courts sitting in the County of Santa Clara, State of California. Both
Guarantor and Landlord agree to and submit to the personal and subject matter jurisdiction of the said Courts, and agree that they may be sued in such courts, and that the Courts located in Santa Clara County, California, are the sole appropriate
venue (unless such courts cannot exercise jurisdiction over Guarantor, in which case Guarantor may be sued in any venue and jurisdiction where jurisdiction may be obtained over Guarantor, or in a case where enforcement of judgment or writ of
attachment is sought, in the Court having jurisdiction over the assets in question). Guarantor hereby (a) irrevocably consents and submits to the jurisdiction of any federal, state county or municipal court sitting in the State of California in
respect to any action or proceeding brought therein by Landlord against Guarantor concerning any matters arising out of or in any way relating to this Guarantee or the Lease; (b) to the extent permitted by applicable law, expressly waives any
rights of Guarantor pursuant to the laws of Bermuda or any other jurisdiction by virtue of which exclusive jurisdiction of the courts of Bermuda or any other jurisdiction might be claimed ; (c) irrevocably waives personal service of any summons
and complaint and consents to the service upon it of process in any such action or proceeding by the process set forth in Paragraph 9 hereof; (d) irrevocably waives all objections as to venue and any and all rights it may have to seek a
change of venue with respect to any such action or proceeding; (e) waives any defense to any action or proceeding granted by the laws of any other country or jurisdiction than California unless such defense is also allowed by the laws of the
State of California; and (f) agrees that any final judgment rendered against it in any such action or proceeding shall be conclusive and may be enforced in Bermuda or any other jurisdictions by suit on the judgment or in any manner provided by
law and expressly consents to the affirmation of the validity of any such judgment by the courts of Bermuda or any other jurisdiction so as to permit execution thereon. Guarantor hereby represents that there are no treaties or laws which would
preclude, impair or hinder the recognition of any judgment rendered by any such court sitting in the State of California by, and the enforcement of any such judgment by, the courts of Bermuda, and Guarantor agrees that it will interpose no defense
or claim against and shall consent to the issuance of all necessary documents by the courts of Bermuda in order to execute upon any such judgment. Nothing contained in this Guarantee shall affect or limit the right of Landlord to serve any process
or notice of motion or other application in any other manner permitted by law or limit or affect the right of Landlord to bring any action or proceeding against Guarantor or any of its property in the courts of any other jurisdiction.
Notwithstanding the foregoing provisions of this Section, Guarantor may, by written notice to Landlord, change its designated agent for acceptance of service of process to any other law firm located in the State of California. 

 12. Successors. This Guarantee shall be binding upon and shall inure to the benefit
of Landlord and Guarantor and their respective heirs, successors, and assigns. 
 13. Modification. This Guarantee may
not be changed, waived, discharged or terminated orally or by course of conduct, but rather only by an instrument in writing signed by the party against whom enforcement of the change, waiver, discharge or termination is sought. 
 14. Financial Statements: Upon written request by Landlord from time to time, Guarantor will supply Landlord with its most current
written financial statements (including balance sheet and profit and loss statements, and all accountant’s notes) for Guarantor, prepared in accordance with Guarantor’s regular and usual accounting policies and procedures by
Guarantor’s accountants, provided that Landlord shall be required to maintain the confidentiality of such financial statements. 

 IN WITNESS WHEREOF, the undersigned have executed this Guarantee to be effective as of the date of execution
of the Lease by Tenant. 
 Dated: January 5, 2010 
 GUARANTOR: 
  

	
	Alpha and Omega Semiconductor Limited
	
	 /s/ Ephraim Kwok

	By: Authorized Officer
	
	 Ephraim Kwok, Chief Financial Officer

	Print Name and Title
	
	 /s/ Mike Chang

	By: Authorized Officer
	
	 Mike Chang, Chief Executive Officer

	Print Name and TitleForm of Restricted Shares Purchase Agreement

 Exhibit 10.21 
 ALPHA AND OMEGA SEMICONDUCTOR INCORPORATED 
 RESTRICTED SHARES PURCHASE AGREEMENT 
 This Restricted Shares Purchase Agreement (the
“Agreement”) is made as of the            day of             , 2000, by and among Alpha And Omega Semiconductor
Limited, a Bermuda exempted company (the “Company”),             (“Purchaser”) and the escrow agent of the Company (as the Escrow Agent under Section 4 of this
Agreement). 
 The parties agree as follows: 
  

	1.	Common Shares Purchase. 

 1.1 Purchase. Subject to the terms and conditions of this Agreement, the Company hereby agrees to sell to Purchaser, and Purchaser hereby agrees to purchase from the Company, on the Closing Date (as defined herein)
            Common Shares of the Company (the “Shares”), at a price of $0.001 per share (“Original Issuance Price”) and an aggregate purchase price of
$            . The term “Shares” refers to the purchased Shares, all securities or property received in replacement of Shares and all securities or property distributed with
respect to Shares, in any case by way of share dividends, splits or consolidations or pursuant to any recapitalization, consolidation, merger, reorganization or the like. 
 1.2 Payment. The aggregate purchase price shall be payable in cash. 
  

	2.	Closing; Delivery. 

 2.1
Closing. The purchase and sale of the Shares shall occur at a closing (the “Closing”) to be held at the principal office of the Company simultaneously with the execution of this Agreement by the parties or on such other date and at
such other place as they may agree (the “Closing Date”). 
 2.2 Delivery. At the Closing, the Company at the
request of Purchaser will deliver to Purchaser a certificate representing the Shares to be purchased by him (which shall be issued in Purchaser’s name) against payment of the purchase price therefor. The purchase price for the Shares shall be
paid on the Closing Date by delivery of the consideration referenced in Section 1.2 above. 
  

	3.	Limitations on Transfer. 

 In addition to any other limitation on transfer created by the Company’s Bye-Laws and applicable securities laws, Purchaser shall not assign, encumber or dispose of any interest in the Shares, except as provided in this Section 3.

  

	 	3.1	Repurchase Option. 

 (a) In the event of termination of Purchaser’s business relationship with the Company (the “Employment Arrangement”) for any reason, with or without cause (whether voluntary or involuntary,
including death or disability) (collectively referred to as the “Termination”), the Company shall upon the date of such Termination have an irrevocable and exclusive option (the “Repurchase Option”) to repurchase subject to the
terms of the Companies Act 1981 (Bermuda) (the “Companies Act”) up to the total number of the Shares specified in Section 3.1(b) at the Original Issuance Price per Share, as adjusted for share splits, share dividends, consolidations
and the like. 
 (b) All of the Shares purchased by Purchaser shall initially be subject to the Repurchase
Option. Thereafter, all Shares held in Escrow pursuant to Section 4 shall be released from the Repurchase Option, cumulatively, as to one-fifth (1/5) of such Shares after twelve (12) months following the Base Date and as to
one-sixtieth (1/60) of such Shares for each full month after the end of such twelve (12) month period; provided, however, that in the event of a merger, consolidation or reorganization of the Company with or into another corporation as a
result of which the Company is not the surviving corporation, or sale of all or substantially all of the assets of the Company (each a “Change in Control”), the portion of the Shares not yet

 
released from the Repurchase Option at the date of closing of such a Change in Control, if any, shall be immediately released from the Repurchase Option to the extent such immediately released
portion does not exceed one half (1/2) of the Shares. 
 (c) Within sixty (60) days following
Purchaser’s Termination, the Company shall notify Purchaser as to whether it (or its assignee) wishes to purchase all or a portion of the Shares pursuant to the exercise of the Repurchase Option. If the Company (or its assignee) elects to
purchase such Shares hereunder, it shall notify Purchaser in writing of its (or its assignee’s) intention to purchase such Shares hereunder at the repurchase price per share set pursuant to Section 3.1 (a) and either (i) set a
date and location for the closing of the transaction not later than thirty (30) days from the date of such notice at which time the Company (or its assignee) shall tender payment for the Shares or (ii) close the transaction by mail by
including payment for the Shares with the Company’s notice to Purchaser. Payment for the Shares may be in the form of cash, the Company’s cheque or cancellation of all or a portion of Purchaser’s indebtedness to the Company or any
combination thereof. At such closing, the certificate(s) representing the Shares so purchased shall be delivered to the Company and cancelled (or the Shares transferred to the Company’s assignee, if applicable) or, in the case of payment by the
Company (or its assignee) by mail, such certificate(s) shall be deemed cancelled (or the Shares transferred to the Company’s assignee, if applicable) as of the date of the mailing of the Company’s notice and, thereafter, shall be promptly
returned by Purchaser to the Company by certified or registered mail. Shares subject to the Repurchase Option as to which the Company (or its assignee) has not exercised its Repurchase Option within ninety (90) days following Purchaser’s
Termination shall be released from the Repurchase Option. 
  

	 	3.2	Right of First Refusal. 

 (a) In the event Purchaser or his transferee desires (or is required) to sell or transfer in any manner any of the Shares that are not subject to the Repurchase Option, Purchaser shall first offer such
Shares for sale to the Company, which may then repurchase all or a portion of such Shares subject to the terms of the Companies Act, upon the terms and conditions specified herein (“Right of First Refusal”), by delivering a notice (the
“Notice”) to the Company stating (1) his bona fide intention to sell or otherwise transfer such Shares, (2) the number of such Shares to be sold or otherwise transferred, (3) the price for which Purchaser proposes to sell
such Shares, (4) the name of the proposed buyer or transferee and (5) all additional terms and conditions, if any, of the proposed sale or transfer. Purchaser shall attach to the Notice a copy of the written offer, if any, reflecting the
terms and conditions of the proposed sale or transfer of the Shares to the third party. In the event of a transfer not involving a sale of the Shares for a specific sum of money, or if, in the sole judgment of the Company’s Board of Directors,
the proposed transfer does not involve a price for the Shares negotiated by Purchaser and its proposed buyer or transferee in a bona fide “arm’s length transaction”, the price of the Shares shall be determined by the Company’s
Board of Directors in the manner specified in Section 3.4 below. 
 (b) Within forty-five (45) days
following receipt by the Company of the Notice (“Acceptance Period”), the Company (or its assignee) may elect to purchase all or a portion of the Shares to which the Notice refers, at the price per Share and on the same terms and
conditions (or terms and conditions as reasonably similar as possible) as set forth in the Notice or at the price per Share determined pursuant to Section 3.4 in the event that the price of the Shares is to be determined by the Company’s
Board of Directors under Section 3.2(a). 
 (c) If the Company (or its assignee) elects to purchase such
Shares hereunder, it shall notify Purchaser in writing of its intention to purchase such Shares hereunder and either (1) set a date for the closing of the transaction at a place specified by the Company not later than thirty (30) days from
the date of such notice at which time the Company (or its assignee) shall tender payment for the Shares or (2) include payment for the Shares with the Company’s notice to Purchaser. At such closing, the certificate(s) representing the
Shares so purchased shall be delivered to the Company and cancelled (or the Shares transferred to the Company’s assignee, if applicable) or, in the case of payment by the Company (or its assignee) by mail, such certificate(s) shall be deemed
cancelled (or the Shares transferred to the Company’s assignee, if applicable)

  

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as of the date of the mailing of the Company’s notice and, thereafter, shall be promptly returned by Purchaser to the Company by certified or registered mail. 
 (d) If the Company (or its assignee) does not elect to purchase all of the Shares to which the Notice refers, Purchaser may
sell or otherwise transfer the Shares not purchased to the third party named in the Notice at the price and on the terms and conditions specified in the Notice or at a higher price; provided, that such sale or transfer is consummated within sixty
(60) days from the earlier of (1) the lapse of the Acceptance Period or (2) the date of the Company’s notice, whether written or oral, advising Purchaser that the Company does not intend to purchase the Shares hereunder;
provided, further, that any such sale or transfer is made in accordance with all of the terms and conditions set forth in this Agreement. In the event the Shares are not disposed of by Purchaser within such sixty (60) day period, such Shares
shall once again be subject to the Right of First Refusal. 
  

	 	3.3	Involuntary Transfer. 

 (a) In the event of any transfer by operation of law or other involuntary transfer, of all, or a portion, of the Shares, the Company shall have an option to purchase subject to the terms of the Companies
Act all of the Shares transferred (the “Involuntary Transfer Option”) at a price (i) set pursuant to Section 3.4 for those Shares that are not subject to the Repurchase Option and (ii) equal to the Original Issuance Price,
as adjusted for share splits, share dividends, consolidations and the like for those Shares that are subject to the Repurchase Option. Upon such a transfer, the person acquiring the Shares shall promptly notify the Secretary of the Company of such
transfer. 
 (b) The Company (or its assignee) shall notify Purchaser and the person acquiring the Shares as to
whether the Company (or its assignee) wishes to purchase the Shares pursuant to the Involuntary Transfer Option within forty-five (45) days following the date on which the Company was notified of the transfer. If the Company (or its assignee)
elects to purchase such Shares hereunder, it shall set a date for the closing of the transaction at a place specified by the Company not later than thirty (30) days from the date of the Company’s notice to Purchaser and the person
acquiring the Shares. At such closing, the Company (or its assignee) shall tender payment for the Shares in the form of a check, cancellation of Purchaser’s indebtedness to the Company or some combination thereof and the certificate(s)
representing the Shares so purchased shall be cancelled. 
 3.4 Determination of Price by Board. With respect to the
Shares to be transferred pursuant to the Right of First Refusal or the Involuntary Transfer Option where the price per Share is to be determined pursuant to this Section 3.4, the price per Share shall be a price set by the Board of Directors of
the Company that will reflect the then current value of such Shares. The Company shall notify Purchaser, his representative or the person acquiring the Shares under Section 3.3 of the price so determined within forty-five (45) days after
receipt by the Company of written notice of the transfer or proposed transfer of the Shares. 
 3.5 Restriction on
Alienation. Purchaser agrees that Purchaser will not sell, transfer, pledge, encumber, assign or otherwise dispose of any of the Shares subject to the Repurchase Option, or any right or interest therein, whether voluntarily, by operation of law
or otherwise, without the prior written consent of the Company. Any sale, transfer or disposition or purported sale, transfer or disposition of any of the Shares by Purchaser shall be null and void unless the terms, conditions and provisions of this
Agreement are strictly complied with. Purchaser hereby authorizes and directs the Escrow Agent or the Transfer Agent of the Company, as applicable, to transfer the Shares as to which the Repurchase Option, Right of First Refusal or Involuntary
Transfer Option has been exercised from Purchaser to the Company (or its assignee). Purchaser further authorizes the Company to refuse, or to cause the Escrow Agent or its Transfer Agent to refuse, to transfer or record any Shares to be transferred
in violation of this Agreement. 
 3.6 Assignment By Company. The Company’s Repurchase Option, Right of First
Refusal and Involuntary Transfer Option may be assigned in whole or in part to any shareholder or shareholders of the Company. 
  

 3 

 3.7 Obligations Binding Upon Transferees. All transferees of Shares or any interest
therein will receive and hold such Shares or interests subject to the provisions of this Agreement, including, insofar as applicable, the Company’s Repurchase Option, Right of First Refusal and Involuntary Transfer Option under this
Section 3. Any sale or transfer of the Shares shall be void unless the provisions of this Agreement are met. 
 3.8
Termination of Rights. The Right of First Refusal and Involuntary Transfer Option granted by this Section 3 shall terminate at such time as a public market exists for the Company’s Common Shares (or any other shares issued to
purchasers in exchange for the Shares purchased under this Agreement). For the purpose of this Agreement, a “public market” shall be deemed to exist if the Common Shares are listed on a national securities exchange (as that term is used in
the Securities Exchange Act of 1934), or the Common Shares are traded on the over-the-counter market and prices are published daily on business days in a recognized financial journal. 
 3.9 Replacement Certificate. In the event the restrictions imposed by this Agreement shall be terminated as provided in this
Section 3 a new certificate or certificates representing the Shares shall be issued, on request, without the legend referred to in Section 6.1(b) herein. 
 3.10 Excluded Transfers. The restrictions on transfer of this Section 3 shall not apply to an inter-vivos transfer to Purchaser’s ancestors or descendants or spouse or to a Trustee for
their benefit, provided that such transferee shall take such Shares subject to all the terms of this Agreement, including restrictions on further transfer. 
 3.11 Indebtedness. Notwithstanding any provision to the contrary in this Agreement, any payment by the Company for purchase of Shares from Purchaser may be made by cancellation of any indebtedness
to Company from Purchaser. 
 3.12 Market Standoff Agreement. Purchaser, if requested by the Company and an underwriter
of Common Shares (or other securities) of the Company, agrees not to sell or otherwise transfer or dispose of any Common Shares (or other securities) of the Company held by Purchaser during the period not to exceed one hundred and eighty
(180) days as requested by the managing underwriter following the effective date of a registration statement of the Company filed under the Securities Act (as hereafter defined), provided that all officers and directors of the Company are
required to enter into similar agreements. Such agreement shall be in writing in the form satisfactory to the Company and such underwriter. The Company may impose stop transfer instructions with respect to the shares (or other securities) subject to
the foregoing restriction until the end of such period. 
  

	4.	Escrow; Escrow Instructions. 

 As security for Purchaser’s faithful performance of the terms and provisions of this Agreement and to insure the availability for delivery of the Shares upon the Company’s (or its assignee’s) exercise of the Repurchase
Option, Right of First Refusal or Involuntary Transfer Option, Purchaser shall, at the Closing Date, deliver and deposit with the Assistant Secretary of the Company, or such other person designated by the Company as the Escrow Agent in this
transaction, the share certificate(s) representing the Shares, together with a shares assignment duly endorsed in blank (in the form of Exhibit A to this Agreement). The Escrow Agent is hereby authorized and directed to hold the documents delivered
to the Escrow Agent pursuant to the terms of this Agreement including the share certificate(s) evidencing the Shares and the shares assignment in accordance with the following terms of this Section 4. 
 4.1 Rights Exercise. In the event the Company (or its assignee) shall elect to exercise the Repurchase Option, Right of First Refusal
or Involuntary Transfer Option set forth in Section 3 of this Agreement (collectively the “Rights”) in whole or in part, the Company (or its assignee) shall give to Purchaser and to Escrow Agent a written notice specifying a time,
place and/or manner for a closing hereunder. 
  

 4 

 4.2 Closing Instructions. Purchaser and the Company hereby irrevocably authorize and
direct the Escrow Agent to take all such actions as may be necessary or proper to close the transaction contemplated by such notice in accordance with the terms of such notice. At the closing, the Escrow Agent is directed to (i) date such
shares assignment as shall be necessary for the specific transfer, (ii) fill in the number of Shares being transferred, and (iii) deliver the same, together with the certificate(s) evidencing the Shares to be transferred, to the Company
(or its assignee) as provided in this Agreement against the simultaneous delivery to the Escrow Agent of the purchase price for the number of Shares being purchased pursuant to this Agreement. 
 4.3 Additional Share Deposit. Purchaser irrevocably authorizes the Company to deposit with the Escrow Agent any securities (including
additional Common Shares) or other property (including cash) which Purchaser would be entitled to receive on account of any Shares held by the Escrow Agent hereunder. To facilitate the performance of this Agreement, Purchaser irrevocably constitutes
and appoints the Escrow Agent as his attorney-in-fact and agent for the term of the escrow to execute with respect to such Shares all share certificates, shares assignments, or other instruments, which shall be necessary or appropriate to make such
securities negotiable and to complete any transaction contemplated under this Agreement, including but not limited to any filings to comply with state or federal securities laws. 
 4.4 Share Release. Upon written request from the Company and Purchaser, the Escrow Agent is authorized to release from escrow the
number of Shares indicated in that written request pursuant to this Agreement. 
 4.5 Escrow Termination. The escrow
shall terminate upon the termination of the Company’s Rights under Section 3 of this Agreement. Upon termination of this escrow, the Escrow Agent shall delivery to Purchaser all documents, securities, or other property belonging to
Purchaser that are still in the Escrow Agent’s possession, and the Escrow Agent shall be discharged of all further obligations under Section 4. 
 4.6 Escrow Amendment. Escrow Agent’s duties hereunder may be altered, amended, modified, or revoked only by a writing signed by all of the parties to this Agreement and approved by the Escrow
Agent. 
 4.7 Escrow Agent Liability. The Escrow Agent shall not be personally liable for any act the Escrow Agent may do
or omit to do hereunder as the Escrow Agent or attorney-in-fact for Purchaser while acting in good faith and in the exercise of the Escrow Agent’s own good judgment and any act done or omitted by the Escrow Agent pursuant to the advice of the
Escrow Agent’s own attorneys shall be conclusive evidence of such good faith. The Escrow Agent shall not be liable in any respect on account of the identities, authorities or rights of the parties executing or delivering or purporting to
execute or deliver this Agreement or any documents or papers deposited or called for hereunder. The Escrow Agent shall not be liable for the termination of any rights under any applicable statute of limitations with respect to the provisions of this
Section 4 or any documents deposited with the Escrow Agent. 
 4.8 Court Orders. The Escrow Agent is hereby
expressly authorized to disregard any and all warnings given by any of the parties hereto or by any other person or corporation, excepting only orders or process of courts of law, and is hereby expressly authorized to comply with and obey orders,
judgments or decrees of any court. In case the Escrow Agent obeys or complies with any such order, judgment or decree of any court, the Escrow Agent shall not be liable to any of the parties hereto or to any other person, firm, or corporation by
reason of such compliance, notwithstanding that any such order, judgment or decree shall be subsequently reversed, modified, annulled, set aside, vacated or found to have been entered without jurisdiction. 
 4.9 Execution Effect. By signing this Agreement, the Escrow Agent becomes a party hereto only for the purpose of Section 4 and
for no other provisions of this Agreement. 
 4.10 Escrow Agent Successors. If, prior to the termination of this Escrow,
the Escrow Agent shall die or shall cease to be the escrow agent under this Section 4, the Secretary of the Company or any other officer of the Company may, from time to time, at the request of the Company’s Board of Directors, discharge
any of the duties and perform any of the acts to be performed by the Escrow Agent as the escrow agent under this Section 4. 
  

 5 

	5.	Investment Representations. 

 In connection with the acquisition of the Shares, Purchaser represents to the Company the following: 
 5.1
Investment. Purchaser is acquiring the Shares to be issued to Purchaser for investment for Purchaser’s own account and not with the view to, or for resale in connection with, any distribution, assignment or resale within the meaning of
the Securities Act of 1933 (the “Securities Act”), the California Corporate Securities Law of 1968, as amended (“California Securities Law”) or to others and no other person has a direct or indirect beneficial interest, in whole
or in part, in such Shares. Purchaser understands that the Shares to be issued to Purchaser have not been and will not be registered under the Securities Act or qualified under the California Securities Law or under the laws of any other state of
the United States in reliance upon specific exemptions therefrom which depend upon, among other things, the bona fide nature of the investment intent as expressed herein and in any other representations, warranties or information provided by
Purchaser to the Company under this Agreement. 
 5.2 Restrictions on Transfer. Purchaser acknowledges that the Shares to
be issued to Purchaser must be held indefinitely unless subsequently registered and qualified under the Securities Act or unless an exemption from registration and qualification is otherwise available. Purchaser further understands that the Company
is under no obligation to register or qualify the Shares. 
 5.3 Rule 144. Purchaser is aware of the provisions of Rule
144, promulgated under the Securities Act, which permit limited public resale of “restricted securities” acquired, directly or indirectly, from the issuer thereof (or from an affiliate of such issuer), in a non-public offering subject to
the satisfaction of certain conditions. 
 5.4 Exemption from Registration. Purchaser further acknowledges that, in the
event all of the applicable requirements of Rule 144 are not satisfied, registration under the Securities Act, compliance with Regulation A, or some other registration exemption will be required. 
 5.5 Relationship to Company; Experience. Purchaser either has a preexisting business or personal relationship with the Company or any
of its officers, directors or controlling persons or, by reason of Purchaser’s business or financial experience has the capacity to protect Purchaser’s own interests in connection with Purchaser’s acquisition of the Shares to be
issued to Purchaser hereunder. Purchaser has such knowledge and experience in financial, tax and business matters to enable Purchaser to utilize the information made available to Purchaser in connection with the acquisition of the Shares to evaluate
the merits and risks of the prospective investment and to make an informed investment decision with respect thereto. 
 5.6
Purchaser’s Liquidity. In reaching the decision to invest in the Shares, Purchaser has carefully evaluated Purchaser’s financial resources and investment position and the risks associated with this investment, and Purchaser
acknowledges that Purchaser is able to bear the economic risks of the investment. Purchaser (i) has adequate means of providing for Purchaser’s current needs and possible personal contingencies, (ii) has no need for liquidity in
Purchaser’s investment, (iii) is able to bear the substantial economic risks of an investment in the Shares for an indefinite period and (iv) at the present time, can afford a complete loss of such investment. Purchaser’s
commitment to investments which are not readily marketable is not disproportionate to Purchaser’s net worth and Purchaser’s investment in the Shares will not cause Purchaser’s overall commitment to become excessive. 
 5.7 Offer and Sale. Purchaser understands that the offer and sale of the Shares have not been registered under the Securities Act in
reliance upon exemption therefrom. Purchaser was not offered or sold the Shares, directly or indirectly, by means of any form of general solicitation or general advertisement, including the following: (i) any advertisement, article, notice or
other communication published in any newspaper, magazine or similar medium or broadcast over television or radio; or (ii) any seminar or meeting whose attendees had been invited by general solicitation or general advertising. 
  

 6 

 5.8 Access to Data. Purchaser is aware of the Company’s business affairs and
financial condition, and has acquired sufficient information about the Company to reach an informed and knowledgeable decision to acquire the Shares. Purchaser acknowledges that during the course of this transaction and before deciding to acquire
the Shares, Purchaser has been provided with financial and other written information about the Company. Purchaser has been given the opportunity by the Company to obtain any information and ask questions concerning the Company, the Shares, and
Purchaser’s investment that Purchaser felt necessary; and to the extent Purchaser availed himself of that opportunity, Purchaser has received satisfactory information and answers. 
 5.9 Risks. Purchaser acknowledges and understands that (i) an investment in the Company constitutes a high risk, (ii) the
Shares are highly speculative, and (iii) there can be no assurance as to what return, if any, there may be. Purchaser is aware that the Company may issue additional securities in the future which could result in the dilution of Purchaser’s
ownership interest in the Company. 
 5.10 Valid Agreement. This Agreement when executed and delivered by Purchaser shall
constitute a valid and legally binding obligation of Purchaser which is enforceable in accordance with its terms. 
 5.11
Residence. The address set forth on the signature page of this Agreement is Purchaser’s current address and accurately sets forth Purchaser’s place of residence. 
  

	6.	Securities Compliance. 

 6.1 Legends. The certificate or certificates representing the Shares shall bear legends in substantially the following form (in addition to any other legend imposed by applicable blue sky laws): 
  

	 	(a)	THE SHARES REPRESENTED BY THIS CERTIFICATE HAVE BEEN ACQUIRED FOR INVESTMENT AND NOT WITH A VIEW TO, OR IN CONNECTION WITH, THE SALE OR DISTRIBUTION THEREOF. NO SUCH
SALE OR DISPOSITION MAY BE EFFECTED WITHOUT AN EFFECTIVE REGISTRATION STATEMENT RELATED THERETO OR AN OPINION OF COUNSEL FOR THE COMPANY THAT SUCH REGISTRATION IS NOT REQUIRED UNDER THE SECURITIES ACT OF 1933. 

  

	 	(b)	THE SHARES REPRESENTED BY THIS CERTIFICATE ARE SUBJECT TO TRANSFER RESTRICTIONS IN ACCORDANCE WITH THE TERMS OF AN AGREEMENT BETWEEN THE COMPANY AND THE SHAREHOLDER, A
COPY OF WHICH IS ON FILE WITH THE SECRETARY OF THE COMPANY. 

 6.2 No Qualification. THE SALE OF THE
SECURITIES WHICH ARE THE SUBJECT OF THIS AGREEMENT, IF NOT YET QUALIFIED WITH THE CALIFORNIA CORPORATIONS COMMISSIONER, IS SUBJECT TO SUCH QUALIFICATION OR AN EXEMPTION BEING AVAILABLE, AND THE ISSUANCE OF SUCH SECURITIES, OR THE RECEIPT OF ANY PART
OF THE CONSIDERATION PRIOR TO SUCH QUALIFICATION IS UNLAWFUL. THE RIGHTS OF THE PARTIES TO THIS AGREEMENT ARE EXPRESSLY CONDITIONED UPON SUCH QUALIFICATION BEING OBTAINED OR AN EXEMPTION BEING AVAILABLE. 
 6.3 Transfers. In addition to the restrictions imposed under Section 3, all transfers of Shares or any interest in any such
Shares shall be made in strict compliance with applicable state and federal securities laws. 
  

	7.	Tax Considerations. 

 7.1
Tax Effects. Purchaser understands that the tax consequences to Purchaser as a result of this transaction depend on Purchaser’s individual circumstances and the characterization of this transaction. Further, Purchaser will be responsible
for any personal tax liability, whether federal, state or local, as a result of this transaction and Purchaser’s ownership of the Shares. Purchaser has consulted with Purchaser’s own advisor(s) with respect to this transaction and has not
relied on any advice from the Company or any of its officers, directors, agents or representatives. 
  

 7 

 7.2 Tax Election. Purchaser shall notify the Company in writing if Purchaser files an
election pursuant to Section 83(b) of the Internal Revenue Code of 1986 within thirty (30) days from the date of the sale of the Shares hereunder. The Company intends, in the event it does not receive from Purchaser evidence of such
filing, to claim a tax deduction for any amount which would be taxable to Purchaser in the absence of such an election. 
  

	8.	Miscellaneous. 

 8.1
Amendment. This Agreement may only be amended by written agreement between Company and Purchaser (or with respect to Section 4, by written agreement among the Company, Purchaser and the Escrow Agent). 
 8.2 Notices. Any notice, demand, request or other communications hereunder shall be in writing and shall be deemed sufficient when
delivered personally or sent by courier or upon deposit in the U.S. mail, as certified, registered or first class mail, with postage prepaid, and addressed, if to the Company, at its principal place of business, Attention: the President, if to
Purchaser, at his address as shown on the shares records of the Company or if to Escrow Agent, at the Company’s principal place of business, Attention: the Secretary. The address to which notice is to be given hereunder may be changed from time
to time by the parties entitled to notice by notice given to all other parties as provided herein. 
 8.3 Successors and
Assigns. The rights and benefits of this Agreement shall inure to the benefit of, and be enforceable by, the Company’s successors and assigns. The rights and obligations of Purchaser under this Agreement may only be assigned with the prior
written consent of the Company. 
 8.4 Further Actions. Both parties agree to execute any additional documents and take
such further action as may be reasonably necessary to carry out the purposes of this Agreement. 
 8.5 Shareholder
Rights. Subject to the provisions of this Agreement, Purchaser shall during the term of this Agreement exercise all rights and privileges of a shareholder of the Company with respect to the Shares. 
 8.6 Injunctive Relief. Purchaser agrees that the Company and/or other shareholders shall be entitled to a decree of specific
performance of the terms hereof or an injunction restraining violations of this Agreement, such right to be in addition to any of the remedies of the Company. No remedy provided herein is intended to be exclusive of any other remedy, and each and
every remedy shall be cumulative and shall be in addition to every other remedy given hereunder or now or hereafter existing at law or in equity. 
 8.7 Governing Law. This Agreement shall be governed by and construed in accordance with the laws of the State of California without reference to its conflict of laws provisions. 
 8.8 Severability. If any provision of this Agreement is held by a court of competent jurisdiction to be invalid, void or
unenforceable, the remaining provisions shall nevertheless continue in full force and effect without being impaired or invalidated in any way and shall be construed in accordance with the purposes, tenor and effect of this Agreement. 
 8.9 Expenses. Each party hereto shall pay his own expenses incurred (including, without limitation, the fees of counsel) on his
behalf in connection with this Agreement or any transactions contemplated by this Agreement. 
 8.10 Entire Agreement.
This Agreement embodies the entire agreement and understanding of the parties hereto in respect of the subject matter hereof and supersedes all prior and contemporaneous written or oral communications or agreements between the Company and Purchaser
regarding the subject matter hereof and no amendment or addition hereto shall be deemed effective unless agreed to in writing by the parties hereto. 
  

 8 

 8.11 Waivers. No waiver of any provision of this Agreement or any rights or
obligations of any party hereunder shall be effective, except pursuant to a written instrument signed by the party or parties waiving compliance, and any such waiver shall be effective only in the specific instance and for the specific purpose
stated in such writing. 
 8.12 Counterparts. This Agreement may be executed in one or more counterparts each of which
shall be an original and all of which together shall constitute one and the same instrument. 
 8.13 Attorneys’
Fees. If any legal action or any arbitration or other proceeding is brought for the enforcement of this Agreement, or because of an alleged dispute, breach, default or misrepresentation in connection with any provision of this Agreement, the
successful or prevailing party shall be entitled to recover reasonable attorneys’ fees and other costs incurred in that action or proceeding, in addition to any other relief to which it may be entitled. 
  

 9 

 IN WITNESS WHEREOF, the parties hereto have executed this Agreement as of the day and year
first set forth above. 
  

							
	ALPHA AND OMEGA SEMICONDUCTOR	 	PURCHASER
	LIMITED	 		 	
				
	By:	 	  
	 	By:	 	  

		 	Name:	 		 	Name:
		 	Title:	 		 	Address:
			
	ESCROW AGENT	 		 	
	(For the purposes of Section 4 only)	 		 	
				
	By:	 	  
	 		 	
		 	Name:	 		 	
		 	Title:	 		 	
			
	BASE DATE	 		 	
	(for the purposes of Section 3.1)	 		 	
			
	  
	 		 	

  

 10 

 SPOUSE’S CONSENT 
 I acknowledge that I have read the foregoing Restricted Shares Purchase Agreement and that I know its content. I am aware that by its
provisions my spouse agrees to sell all his/her Shares, including any community property interest I may have, on the occurrence of certain events. I hereby consent to the sale, approve the provisions of the Agreement and agree that these Shares and
any interest I may have in them are subject to the provisions of the Restricted Shares Purchase Agreement and that I will take no action at any time to hinder the operation of the Restricted Shares Purchase Agreement on these Shares or any interest
I may have in them. 
  

			
	 SPOUSE OF PURCHASER

		
	By:	 	  

		 	Name

 EXHIBIT A 
 ASSIGNMENT SEPARATE FROM CERTIFICATE 
 FOR VALUE RECEIVED
            hereby sells, assigns and transfers unto
            (            ) Common Shares (the “Shares”) of Alpha And Omega Semiconductor Limited, a Bermuda exempted
company (the “Company”), standing in the undersigned’s name on the books of the Company represented by Certificate No.             herewith, and does hereby irrevocably
constitute and appoint attorney to transfer such Shares on the books of the Company with full power of substitution in the premises. 
  

									
	Dated:	 	  
	 		 	By:	 	  

		 		 		 		 	Name:

 INSTRUCTIONS: Please do not complete any
blanks other than the signature line. The purpose of this assignment is to enable the Company to exercise its repurchase rights, as set forth in the Restricted Shares Purchase Agreement, without requiring additional signatures on the part of the
Purchaser. 

 SHARE CERTIFICATE AND ESCROW RECEIPT 
 The undersigned Purchaser acknowledges receipt of a copy of Certificate No.
            for             Common Shares of Alpha And Omega Semiconductor Limited. 
 The undersigned understands that the original of the share certificate has been deposited into escrow in accordance with Section 4 of
the Restricted Shares Purchase Agreement and is being held by the Escrow Agent at the principal offices of Alpha And Omega Semiconductor Limited. 
 The undersigned acknowledges that the certificate contains legends restricting transfer as specified in Section 6 of the Restricted Shares Purchase Agreement. 
  

									
	 	 	 	 	 	 	PURCHASER
					
	Dated:	 	  
	 		 	By:	 	  

		 		 		 		 	Name:

 ELECTION UNDER SECTION 83(b) 
 OF THE INTERNAL REVENUE CODE OF 1986 
 The undersigned
Taxpayer hereby makes an election pursuant to Section 83(b) of the Internal Revenue Code with respect to the property described below and provides the following information in accordance with the regulations promulgated thereunder: 

 

	1.	The name, address and taxpayer identification number of the undersigned are: 

 Taxpayer 
 Taxpayer I.D. No.
                                        
Taxpayer I.D. No.                             
  

	2.	Description of the property with respect to which the election is being made: 

             shares of the Restricted Shares of Alpha And Omega Semiconductor
Limited, a Bermuda exempted company (the “Company”). 
  

	3.	The date on which the property was transferred is             , 2000. 

 The taxable year to which this election relates is calendar year 2000. 
  

	4.	The property is subject to the following restrictions: The right to repurchase the property or some part thereof by the Company for its purchase price. This restriction
lapses over time. The property is nontransferable in the Taxpayer’s hands by virtue of certain restrictions against transfer set forth in a Restricted Shares Purchase Agreement between the Taxpayer and the Company, which restriction lapses over
time. 

  

	5.	The fair market value at the time of transfer (determined without regard to any restrictions other than restrictions which by their terms will never lapse) of such
property is $            ($0.001 per share). 

  

	6.	The amount paid by the Taxpayer for such property is $            ($0.001 per share).

  

	7.	The undersigned has furnished a copy of this statement to the Company. 

 The undersigned understands that the foregoing election may not be revoked except with the consent of the
Commissioner. 
  

									
	 	 	 	 	 	 	TAXPAYER
					
	Dated:	 	  
	 		 	By:	 	  

		 		 		 		 	Name:

 The undersigned Spouse of Taxpayer
joins in this election. 
  

									
	 	 	 	 	 	 	SPOUSE OF TAXPAYER
					
	Dated:	 	  
	 		 	By:	 	  

		 		 		 		 	Name:

  

 2

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