Document:

Form of Restricted Stock Unit Grant Notice and Agreement

 Exhibit 10.21 
 SILICON STORAGE TECHNOLOGY, INC. 
 RESTRICTED STOCK UNIT GRANT NOTICE 
 2008
EQUITY INCENTIVE PLAN 
 Silicon Storage Technology, Inc. (the “Company”), pursuant
to its 2008 Equity Incentive Plan (the “Plan”), hereby awards to Participant a Restricted Stock Unit Award for the number of shares of the Company’s Common Stock set forth below (the “Award”). The
Award is subject to all of the terms and conditions as set forth herein and in the Plan and the Restricted Stock Unit Agreement, both of which are attached hereto and incorporated herein in their entirety. Capitalized terms not otherwise defined
herein shall have the meanings set forth in the Plan or the Restricted Stock Unit Agreement. In the event of any conflict between the terms in the Award and the Plan, the terms of the Plan shall control. 
  

							
	Participant:	 		  	 	  	
	Date of Grant:	 		  	 	  	
	Vesting Commencement Date:	 		  	 	  	
	Number of Shares Subject to Award:	 		  	 	  	
	Consideration:	 		  	Participant’s Services	  	

  

			
	Vesting Schedule: 	  	 [                                      
                                         
                                         
                                         
           ]. 
 Notwithstanding the foregoing, vesting shall terminate on upon the
Participant’s termination of Continuous Service. 

		
	Issuance Schedule: 	  	The shares will be issued in accordance with the issuance schedule set forth in Section 6 of the Restricted Stock Unit Agreement.

 Additional Terms/Acknowledgements: The undersigned Participant acknowledges receipt of, and understands and
agrees to, this Restricted Stock Unit Grant Notice, the Restricted Stock Unit Agreement and the Plan. Participant further acknowledges that as of the Date of Grant, this Restricted Stock Unit Grant Notice, the Restricted Stock Unit Agreement and the
Plan set forth the entire understanding between Participant and the Company regarding the Award and supersedes all prior oral and written agreements on that subject. 
  

									
	SILICON STORAGE TECHNOLOGY, INC.	 		 	PARTICIPANT:
					
	By: 	 	 	 		 	 	 	 
		 	Signature	 		 		 	Signature
	Title:	 	 	 		 	Date:	 	 
					
	Date:	 	 	 		 		 	

  

			
	ATTACHMENTS:	  	Restricted Stock Unit Agreement, 2008 Equity Incentive Plan

  

 1 

 ATTACHMENT I 
 SILICON STORAGE TECHNOLOGY, INC. 
 2008 EQUITY INCENTIVE PLAN 
 RESTRICTED
STOCK UNIT AGREEMENT 
 Pursuant to the Restricted Stock Unit Grant Notice
(“Grant Notice”) and this Restricted Stock Unit Agreement and in consideration of your services, Silicon Storage Technology, Inc. (the “Company”) has awarded you a Restricted Stock Unit Award (the
“Award”) under its 2008 Equity Incentive Plan (the “Plan”). Your Award is granted to you effective as of the Date of Grant set forth in the Grant Notice for this Award. This Restricted Stock Unit Award
Agreement shall be deemed to be agreed to by the Company and you upon the signing by you of the Restricted Stock Unit Grant Notice to which it is attached. Defined terms not explicitly defined in this Restricted Stock Unit Agreement shall have the
same meanings given to them in the Plan. In the event of any conflict between the terms in this Restricted Stock Unit Agreement and the Plan, the terms of the Plan shall control. The details of your Award, in addition to those set forth in the Grant
Notice and the Plan, are as follows. 
 1. GRANT OF THE AWARD. This Award
represents the right to be issued on a future date the number of shares of the Company’s Common Stock as indicated in the Grant Notice. As of the Date of Grant, the Company will credit to a bookkeeping account maintained by the Company for your
benefit (the “Account”) the number of shares of Common Stock subject to the Award. This Award was granted in consideration of your services to the Company. Except as otherwise provided herein, you will not be required to make
any payment to the Company (other than past and future services to the Company) with respect to your receipt of the Award, the vesting of the shares or the delivery of the underlying Common Stock. 
 2. VESTING. Subject to the limitations contained herein, your Award will vest, if at all, in accordance with the vesting schedule
provided in the Grant Notice, provided that vesting will cease upon the termination of your Continuous Service. Upon such termination of your Continuous Service, the shares credited to the Account that were not vested on the date of such termination
will be forfeited at no cost to the Company and you will have no further right, title or interest in or to such underlying shares of Common Stock. 
 3. NUMBER OF SHARES. 
 (a) The number of shares subject
to your Award may be adjusted from time to time for Capitalization Adjustments, as provided in the Plan. 
 (b) Any
shares, cash or other property that becomes subject to the Award pursuant to this Section 3, if any, shall be subject, in a manner determined by the Board, to the same forfeiture restrictions, restrictions on transferability, and time and
manner of delivery as applicable to the other shares covered by your Award. 
  

 1. 

 (c) Notwithstanding the provisions of this Section 3, no fractional shares or
rights for fractional shares of Common Stock shall be created pursuant to this Section 3. The Board shall, in its discretion, determine an equivalent benefit for any fractional shares or fractional shares that might be created by the
adjustments referred to in this Section 3. 
 4. SECURITIES LAW COMPLIANCE. You may
not be issued any shares under your Award unless either (i) the shares are registered under the Securities Act; or (ii) the Company has determined that such issuance would be exempt from the registration requirements of the Securities Act.
Your Award also must comply with other applicable laws and regulations governing the Award, and you will not receive such shares if the Company determines that such receipt would not be in material compliance with such laws and regulations.

 5. LIMITATIONS ON TRANSFER. Your Award is not transferable, except by will or by the
laws of descent and distribution. In addition to any other limitation on transfer created by applicable securities laws, you agree not to assign, hypothecate, donate, encumber or otherwise dispose of any interest in any of the shares of Common Stock
subject to the Award until the shares are issued to you in accordance with Section 6 of this Agreement. After the shares have been issued to you, you are free to assign, hypothecate, donate, encumber or otherwise dispose of any interest in such
shares provided that any such actions are in compliance with the provisions herein and applicable securities laws. Notwithstanding the foregoing, by delivering written notice to the Company, in a form satisfactory to the Company, you may designate a
third party who, in the event of your death, shall thereafter be entitled to receive any distribution of Common Stock to which you were entitled at the time of your death pursuant to this Agreement. 
 6. DATE OF ISSUANCE. 
 (a) The Company will deliver to you a number of shares of the Company’s Common Stock equal to the number of vested shares
subject to your Award, including any additional shares received pursuant to Section 3 above that relate to those vested shares on the applicable vesting date(s). However, if a scheduled delivery date falls on a date that is not a business day,
such delivery date shall instead fall on the next following business day. 
 (b) Notwithstanding the foregoing, in the
event that (i) you are subject to the Company’s policy permitting officers and directors to sell shares only during certain “window” periods, in effect from time to time or you are otherwise prohibited from selling shares of the
Company’s Common Stock in the public market and any shares covered by your Award are scheduled to be delivered on a day (the “Original Distribution Date”) that does not occur during an open “window period”
applicable to you, as determined by the Company in accordance with such policy, or does not occur on a date when you are otherwise permitted to sell shares of the Company’s common stock on the open market, and (ii) the Company elects not
to satisfy its tax withholding obligations by withholding shares from your distribution, then such shares shall not be delivered on such Original Distribution Date and shall instead be delivered on the first business day of the next occurring open
“window period” applicable to you pursuant to such policy (regardless of whether you are still providing continuous services at such time) or the next business day when you are not prohibited from selling shares of the Company’s
Common Stock in the open market, but in no event later than the fifteenth (15th) day of the third calendar month of the calendar year following the calendar year in which the Original Distribution Date occurs. 

  

 2. 

 
The form of such delivery (e.g., a stock certificate or electronic entry evidencing such shares) shall be determined by the Company. In all cases, the
delivery of shares under this Award is intended to comply with Treasury Regulation 1.409A-1(b)(4) and shall be construed and administered in such a manner. 
 7. DIVIDENDS. You shall receive no benefit or adjustment to your Award with respect to any cash dividend, stock dividend or other distribution that does not result from a Capitalization
Adjustment; provided, however, that this sentence shall not apply with respect to any shares of Common Stock that are delivered to you in connection with your Award after such shares have been delivered to you. 
 8. RESTRICTIVE LEGENDS. The shares issued under your Award shall be endorsed with appropriate legends determined by
the Company. 
 9. AWARD NOT A SERVICE CONTRACT.

 (a) Your Continuous Service with the Company or an Affiliate is not for any specified term and may be terminated by
you or by the Company or an Affiliate at any time, for any reason, with or without cause and with or without notice. Nothing in this Restricted Stock Unit Agreement (including, but not limited to, the vesting of your Award pursuant to the
schedule set forth in Section 2 herein or the issuance of the shares subject to your Award), the Plan or any covenant of good faith and fair dealing that may be found implicit in this Restricted Stock Unit Agreement or the Plan
shall: (i) confer upon you any right to continue in the employ of, or affiliation with, the Company or an Affiliate; (ii) constitute any promise or commitment by the Company or an Affiliate regarding the fact or nature of future
positions, future work assignments, future compensation or any other term or condition of employment or affiliation; (iii) confer any right or benefit under this Restricted Stock Unit Agreement or the Plan unless such right or benefit has
specifically accrued under the terms of this Agreement or Plan; or (iv) deprive the Company of the right to terminate you at will and without regard to any future vesting opportunity that you may have. 
 (b) By accepting this Award, you acknowledge and agree that the right to continue vesting in the Award pursuant to the schedule set
forth in Section 2 is earned only by continuing as an employee, director or consultant at the will of the Company (not through the act of being hired, being granted this Award or any other award or benefit) and that the Company has the right to
reorganize, sell, spin-out or otherwise restructure one or more of its businesses or Affiliates at any time or from time to time, as it deems appropriate (a “reorganization”). You further acknowledge and agree that such
a reorganization could result in the termination of your Continuous Service, or the termination of Affiliate status of your employer and the loss of benefits available to you under this Restricted Stock Unit Agreement, including but not limited to,
the termination of the right to continue vesting in the Award. You further acknowledge and agree that this Restricted Stock Unit Agreement, the Plan, the transactions contemplated hereunder and the vesting schedule set forth herein or any covenant
of good faith and fair dealing that may be found implicit in any of them do not constitute an express or implied promise of continued engagement as an employee or consultant for the term of this Agreement, for any period, or at all, and shall not
interfere in any way with your right or the Company’s right to terminate your Continuous Service at any time, with or without cause and with or without notice. 
  

 3. 

 10. WITHHOLDING OBLIGATIONS. 
 (a) On or before the time you receive a distribution of the shares subject to your Award, or at any time thereafter as requested by
the Company, you hereby authorize any required withholding from the Common Stock issuable to you and/or otherwise agree to make adequate provision in cash for any sums required to satisfy the federal, state, local and foreign tax withholding
obligations of the Company or any Affiliate which arise in connection with your Award (the “Withholding Taxes”). Additionally, the Company may, in its sole discretion, satisfy all or any portion of the Withholding Taxes
obligation relating to your Award by any of the following means or by a combination of such means: (i) withholding from any compensation otherwise payable to you by the Company; (ii) causing you to tender a cash payment;
(iii) permitting you to enter into a “same day sale” commitment with a broker-dealer that is a member of the Financial Industry Regulatory Authority (a “FINRA Dealer”) whereby you irrevocably elect to sell a
portion of the shares to be delivered under the Award to satisfy the Withholding Taxes and whereby the FINRA Dealer irrevocably commits to forward the proceeds necessary to satisfy the Withholding Taxes directly to the Company and/or its Affiliates
or (iv) withholding shares of Common Stock from the shares of Common Stock issued or otherwise issuable to you in connection with the Award with a Fair Market Value (measured as of the date shares of Common Stock are issued to pursuant to
Section 6) equal to the amount of such Withholding Taxes; provided, however, that the number of such shares of Common Stock so withheld shall not exceed the amount necessary to satisfy the Company’s required tax withholding obligations
using the minimum statutory withholding rates for federal, state, local and foreign tax purposes, including payroll taxes, that are applicable to supplemental taxable income. 
 (b) Unless the tax withholding obligations of the Company and/or any Affiliate are satisfied, the Company shall have no obligation
to deliver to you any Common Stock. 
 (c) In the event the Company’s obligation to withhold arises prior to the
delivery to you of Common Stock or it is determined after the delivery of Common Stock to you that the amount of the Company’s withholding obligation was greater than the amount withheld by the Company, you agree to indemnify and hold the
Company harmless from any failure by the Company to withhold the proper amount. 
 11. UNSECURED
OBLIGATION. Your Award is unfunded, and as a holder of a vested Award, you shall be considered an unsecured creditor of the Company with respect to the Company’s obligation, if any, to issue shares pursuant to this Agreement.
You shall not have voting or any other rights as a stockholder of the Company with respect to the shares to be issued pursuant to this Agreement until such shares are issued to you pursuant to Section 6 of this Agreement. Upon such issuance,
you will obtain full voting and other rights as a stockholder of the Company. Nothing contained in this Agreement, and no action taken pursuant to its provisions, shall create or be construed to create a trust of any kind or a fiduciary relationship
between you and the Company or any other person. 
 12. OTHER DOCUMENTS. You hereby acknowledge receipt
or the right to receive a document providing the information required by Rule 428(b)(1) promulgated under the Securities Act, which includes the Plan prospectus. In addition, you acknowledge receipt of the Company’s policy permitting certain
individuals to sell shares only during certain “window” periods and the Company’s insider trading policy, in effect from time to time. 
  

 4. 

 13. NOTICES. Any notices provided for in your Award or the Plan shall be given in
writing and shall be deemed effectively given upon receipt or, in the case of notices delivered by the Company to you, five (5) days after deposit in the United States mail, postage prepaid, addressed to you at the last address you provided to
the Company. Notwithstanding the foregoing, the Company may, in its sole discretion, decide to deliver any documents related to participation in the Plan and this Award by electronic means or to request your consent to participate in the Plan by
electronic means. You hereby consents to receive such documents by electronic delivery and, if requested, to agree to participate in the Plan through an on-line or electronic system established and maintained by the Company or another third party
designated by the Company. 
 14. MISCELLANEOUS. 
 (a) The rights and obligations of the Company under your Award shall be transferable to any one or more persons or entities, and
all covenants and agreements hereunder shall inure to the benefit of, and be enforceable by the Company’s successors and assigns. Your rights and obligations under your Award may only be assigned with the prior written consent of the Company.

 (b) You agree upon request to execute any further documents or instruments necessary or desirable in the sole
determination of the Company to carry out the purposes or intent of your Award. 
 (c) You acknowledge and agree that
you have reviewed your Award in its entirety, have had an opportunity to obtain the advice of counsel prior to executing and accepting your Award, and fully understand all provisions of your Award. 
 (d) This Agreement shall be subject to all applicable laws, rules, and regulations, and to such approvals by any governmental
agencies or national securities exchanges as may be required. 
 (e) All obligations of the Company under the Plan and
this Agreement shall be binding on any successor to the Company, whether the existence of such successor is the result of a direct or indirect purchase, merger, consolidation, or otherwise, of all or substantially all of the business and/or assets
of the Company. 
 15. GOVERNING PLAN DOCUMENT. Your Award is subject to all the
provisions of the Plan, the provisions of which are hereby made a part of your Award, and is further subject to all interpretations, amendments, rules and regulations which may from time to time be promulgated and adopted pursuant to the Plan.
Except as expressly provided herein, in the event of any conflict between the provisions of your Award and those of the Plan, the provisions of the Plan shall control. 
 16. SEVERABILITY. If all or any part of this Agreement or the Plan is declared by any court or governmental authority to be unlawful or invalid, such unlawfulness or invalidity shall 

  

 5. 

 
not invalidate any portion of this Agreement or the Plan not declared to be unlawful or invalid. Any Section of this Agreement (or part of such a Section) so
declared to be unlawful or invalid shall, if possible, be construed in a manner which will give effect to the terms of such Section or part of a Section to the fullest extent possible while remaining lawful and valid. 
 17. EFFECT ON OTHER EMPLOYEE BENEFIT PLANS. The value of
the Award subject to this Agreement shall not be included as compensation, earnings, salaries, or other similar terms used when calculating the Employee’s benefits under any employee benefit plan sponsored by the Company or any Affiliate,
except as such plan otherwise expressly provides. The Company expressly reserves its rights to amend, modify, or terminate any of the Company’s or any Affiliate’s employee benefit plans. 
 18. CHOICE OF LAW. The interpretation, performance and enforcement of this Agreement will be governed
by the law of the state of California without regard to such state’s conflicts of laws rules. 
 19. AMENDMENT.
This Agreement may not be modified, amended or terminated except by an instrument in writing, signed by you and by a duly authorized representative of the Company. Notwithstanding the foregoing, this Agreement may be amended solely by the Board by a
writing which specifically states that it is amending this Agreement, so long as a copy of such amendment is delivered to you, and provided that no such amendment adversely affecting your rights hereunder may be made without your written consent.
Without limiting the foregoing, the Board reserves the right to change, by written notice to you, the provisions of this Agreement in any way it may deem necessary or advisable to carry out the purpose of the grant as a result of any change in
applicable laws or regulations or any future law, regulation, ruling, or judicial decision, provided that any such change shall be applicable only to rights relating to that portion of the Award which is then subject to restrictions as provided
herein. 
 20. COMPLIANCE WITH SECTION 409A OF THE
CODE. This Award is intended to comply with the “short-term deferral” rule set forth in Treasury Regulation Section 1.409A-1(b)(4). Notwithstanding the foregoing, if it is
determined that the Award fails to satisfy the requirements of the short-term deferral rule, and if you are a “Specified Employee” (within the meaning set forth Section 409A(a)(2)(B)(i) of the Code) as of the date of your separation
from service (within the meaning of Treasury Regulation Section 1.409A-1(h)), then the issuance of any shares that would otherwise be made upon the date of the separation from service or within the first six (6) months thereafter will not
be made on the originally scheduled date(s) and will instead be issued in a lump sum on the date that is six (6) months and one day after the date of the separation from service, with the balance of the shares issued thereafter in accordance
with the original vesting and issuance schedule set forth above, but if and only if such delay in the issuance of the shares would avoid the imposition of taxation on you in respect of the shares under Section 409A of the Code. Each installment
of shares that vests is intended to constitute a “separate payment” for purposes of Treasury Regulation Section 1.409A-2(b)(2). 
  

 6. 

 ATTACHMENT II 
 SILICON STORAGE TECHNOLOGY, INC. 
 2008 EQUITY INCENTIVE PLAN 
  

 7.Form of Restricted Stock Bonus Grant Notice and Agreement

 Exhibit 10.22 
 SILICON STORAGE TECHNOLOGY, INC. 
 RESTRICTED STOCK BONUS GRANT NOTICE 
 2008
EQUITY INCENTIVE PLAN 
 Silicon Storage Technology, Inc. (the “Company”), pursuant
to its 2008 Equity Incentive Plan (the “Plan”), hereby awards to Participant as a bonus the number of shares of the Company’s Common Stock set forth below (“Award”). This Award is subject to all
of the terms and conditions as set forth herein and in the Restricted Stock Bonus Agreement, the Plan, the form of Assignment Separate from Certificate and the form of Joint Escrow Instructions, all of which are attached hereto and incorporated
herein in their entirety. 
  

							
	Participant:	  		  	                                       
                                     	  	
	Date of Grant:	  		  	                                       
                                     	  	
	Vesting Commencement Date:	  		  	                                       
                                     	  	
	Number of Shares Subject to Award:	  		  	                                       
                                     	  	
	Consideration:	  		  	Participant’s Past Services	  	

  

			
	Vesting Schedule: 	  	[                    ,] subject to the Optionholder’s Continuous Service
through such time.

 Additional Terms/Acknowledgements: The undersigned Participant acknowledges receipt of, and understands and
agrees to, this Restricted Stock Bonus Grant Notice, the Restricted Stock Bonus Agreement and the Plan. Participant further acknowledges that as of the Date of Grant, this Restricted Stock Bonus Grant Notice, the Restricted Stock Bonus Agreement and
the Plan set forth the entire understanding between Participant and the Company regarding the acquisition of stock in the Company and supersede all prior oral and written agreements on that subject with the exception of (i) Awards previously
granted and delivered to Participant under the Plan, and (ii) the following agreements only: 
  

							
		  	OTHER AGREEMENTS:	  		  	 
		  		  		  	 

  

									
	SILICON STORAGE TECHNOLOGY, INC.	 		 	PARTICIPANT:
				
	By:	 	 	 		 	 
		 	Signature	 		 		 	Signature
					
	Title: 	 	 	 		 	Date: 	 	 
					
	Date:	 	 	 		 		 	

  

			
	ATTACHMENTS:	  	Restricted Stock Bonus Agreement, 2008 Equity Incentive Plan, form of Joint Escrow Instructions and form of Assignment Separate from Certificate

  

 1. 

 ATTACHMENT I 
 SILICON STORAGE TECHNOLOGY, INC. 
 2008 EQUITY INCENTIVE PLAN 
 RESTRICTED
STOCK BONUS AGREEMENT 
 Pursuant to the Restricted Stock Bonus Grant Notice
(“Grant Notice”) and this Restricted Stock Bonus Agreement (collectively, the “Award”) and in consideration of your past services, Silicon Storage Technology, Inc. (the
“Company”) has awarded you a stock bonus under its 2008 Equity Incentive Plan (the “Plan”) for the number of shares of the Company’s Common Stock subject to the Award as indicated in the Grant
Notice. Defined terms not explicitly defined in this Restricted Stock Bonus Agreement but defined in the Plan shall have the same definitions as in the Plan. 
 The details of your Award are as follows: 
 1. VESTING. Subject to the limitations
contained herein, your Award will vest as provided in the Grant Notice, provided that vesting will cease upon the termination of your Continuous Service. 
 2. NUMBER OF SHARES. The number of shares subject to your Award may be adjusted from time to time for Capitalization Adjustments, as provided in the Plan.

 3. SECURITIES LAW COMPLIANCE. You may not be issued any shares under your Award unless
the shares are either (i) then registered under the Securities Act or (ii) the Company has determined that such issuance would be exempt from the registration requirements of the Securities Act. Your Award must also comply with other
applicable laws and regulations governing the Award, and you will not receive such shares if the Company determines that such receipt would not be in material compliance with such laws and regulations. 
 4. RIGHT OF FIRST REFUSAL. Shares that are received under your Award are subject to
any right of first refusal that may be described in the Company’s bylaws in effect at such time the Company elects to exercise its right. 
 5. RIGHT OF REACQUISITION. 
 (a) To the extent provided
in the Company’s bylaws, as amended from time to time, the Company shall have the right to reacquire all or any part of the shares received pursuant to your Award (a “Reacquisition Right”). 
  

 2. 

 (b) To the extent a Reacquisition Right is not provided in the Company’s
bylaws, as amended from time to time, the Company shall have a Reacquisition Right as to the shares you received pursuant to your Award that have not as yet vested in accordance with the Vesting Schedule on the Grant Notice (“Unvested
Shares”) on the following terms and conditions: 
 (i) The Company, shall simultaneously with termination
of your Continuous Service automatically reacquire for no consideration all of the Unvested Shares, unless the Company agrees to waive its Reacquisition Right as to some or all of the Unvested Shares. Any such waiver shall be exercised by the
Company by written notice to you or your representative (with a copy to the Escrow Holder as defined below) within ninety (90) days after the termination of your Continuous Service, and the Escrow Holder may then release to you the number of
Unvested Shares not being reacquired by the Company. If the Company does not waive its Reacquisition Right as to all of the Unvested Shares, then upon such termination of your Continuous Service, the Escrow Holder shall transfer to the Company the
number of shares the Company is reacquiring. 
 (ii) The shares issued under your Award shall be held in escrow
pursuant to the terms of the Joint Escrow Instructions attached to the Grant Notice as Attachment III. You agree to execute two (2) Assignment Separate From Certificate forms (with date and number of shares blank) substantially in the form
attached to the Grant Notice as Attachment IV and deliver the same, along with the certificate or certificates evidencing the shares, for use by the escrow agent pursuant to the terms of the Joint Escrow Instructions. 
 (iii) Subject to the provisions of your Award, you shall, during the term of your Award, exercise all rights and privileges of a
shareholder of the Company with respect to the shares deposited in escrow. You shall be deemed to be the holder of the shares for purposes of receiving any dividends which may be paid with respect to such shares and for purposes of exercising any
voting rights relating to such shares, even if some or all of such shares have not yet vested and been released from the Company’s Reacquisition Right. 
 (iv) If, from time to time, there is any stock dividend, stock split or other change in the character or amount of any of the
outstanding stock of the corporation the stock of which is subject to the provisions of your Award, then in such event any and all new, substituted or additional securities to which you is entitled by reason of your ownership of the shares acquired
under your Award shall be immediately subject to the Reacquisition Right with the same force and effect as the shares subject to this Reacquisition Right immediately before such event. 
 (v) In the event of a Corporate Transaction as defined in the Plan, the Reacquisition Right may be assigned by the Company to the
successor of the Company (or such successor’s parent company), if any, in connection with such transaction. To the extent the Reacquisition Right remains in effect following such transaction, it shall apply to the new capital stock, cash or
other property received in exchange for the Common Stock in consummation of the transaction, but only to the extent the Common Stock was at the time covered by such right. 
 (vi) In addition to any other limitation on transfer created by applicable securities laws, you shall not sell, assign,
hypothecate, donate, encumber, or otherwise dispose of any interest in the Common Stock while such shares of Common Stock are subject to the Reacquisition Right or continue to be held in the Joint Escrow; provided, however, that an interest
in such shares may be transferred pursuant to a qualified domestic relations order as defined in the Code or Title I of the Employee Retirement Income Security Act. After any Common Stock has been released from the Joint Escrow, you shall not sell,
assign, hypothecate, donate, encumber, or otherwise dispose of any interest in the Common Stock except in compliance with the provisions herein and applicable securities laws. 
  

 3. 

 6. RESTRICTIVE LEGENDS. The shares issued under your Award shall be
endorsed with appropriate legends determined by the Company. 
 7. AWARD NOT A
SERVICE CONTRACT. Your Award is not an employment or service contract, and nothing in your Award shall be deemed to create in any way whatsoever any obligation on your part to continue in the employ of the Company
or an Affiliate, or on the part of the Company or an Affiliate to continue your employment. In addition, nothing in your Award shall obligate the Company or an Affiliate, their respective shareholders, boards of directors, Officers or Employees to
continue any relationship that you might have as a Director or Consultant for the Company or an Affiliate. 
 8.
WITHHOLDING OBLIGATIONS. 
 (a) At the time your Award is made, or at any time
thereafter as requested by the Company, you hereby authorize withholding from payroll and any other amounts payable to you, and otherwise agree to make adequate provision for any sums required to satisfy the federal, state, local and foreign tax
withholding obligations of the Company or an Affiliate, if any, which arise in connection with your Award (the “Withholding Taxes”). The Company may, in its sole discretion, satisfy all or any portion of the Withholding Taxes
obligation relating to your Award by any of the following means or by a combination of such means: (i) withholding from any compensation otherwise payable to you by the Company; (ii) causing you to tender a cash payment;
(iii) permitting you to enter into a “same day sale” commitment with a broker-dealer that is a member of the Financial Industry Regulatory Authority (a “FINRA Dealer”) whereby you irrevocably elect to sell a
portion of the shares to be delivered under the Award to satisfy the Withholding Taxes and whereby the FINRA Dealer irrevocably commits to forward the proceeds necessary to satisfy the Withholding Taxes directly to the Company and/or its Affiliates
or (iv) withholding shares of Common Stock from the shares of Common Stock issued or otherwise issuable to you in connection with the Award with a Fair Market Value equal to the amount of such Withholding Taxes; provided, however, that the
number of such shares of Common Stock so withheld shall not exceed the amount necessary to satisfy the Company’s required tax withholding obligations using the minimum statutory withholding rates for federal, state, local and foreign tax
purposes, including payroll taxes, that are applicable to supplemental taxable income. 
 (b) Unless the tax
withholding obligations of the Company and/or any Affiliate are satisfied, the Company shall have no obligation to issue a certificate for such shares or release such shares from any escrow provided for herein. 
 9. TAX CONSEQUENCES. The acquisition and vesting of the shares may have adverse tax consequences to you that may
avoided or mitigated by filing an election under Section 83(b) of the Internal Revenue Code, as amended (the “Code”). Such election must be filed within thirty (30) days after the date of your Award. YOU ACKNOWLEDGE
THAT IT IS YOUR OWN RESPONSIBILITY, AND NOT THE COMPANY’S, TO FILE A TIMELY ELECTION UNDER CODE SECTION 83(B), EVEN IF YOU REQUEST THE COMPANY TO MAKE THE FILING ON YOUR BEHALF. 
  

 4. 

 10. NOTICES. Any notices provided for in your Award or the Plan shall be given in
writing and shall be deemed effectively given upon receipt or, in the case of notices delivered by the Company to you, five (5) days after deposit in the United States mail, postage prepaid, addressed to you at the last address you provided to
the Company. 
 11. MISCELLANEOUS. 
 (a) The rights and obligations of the Company under your Award shall be transferable to any one or more persons or entities, and
all covenants and agreements hereunder shall inure to the benefit of, and be enforceable by the Company’s successors and assigns. Your rights and obligations under your Award may only be assigned with the prior written consent of the Company.

 (b) You agree upon request to execute any further documents or instruments necessary or desirable in the sole
determination of the Company to carry out the purposes or intent of your Award. 
 (c) You acknowledge and agree that
you have reviewed your Award in its entirety, have had an opportunity to obtain the advice of counsel prior to executing and accepting your Award and fully understand all provisions of your Award. 
 12. GOVERNING PLAN DOCUMENT. Your Award is subject to all the provisions of the Plan, the provisions
of which are hereby made a part of your Award, and is further subject to all interpretations, amendments, rules and regulations which may from time to time be promulgated and adopted pursuant to the Plan. In the event of any conflict between the
provisions of your Award and those of the Plan, the provisions of the Plan shall control. 
 13. APPLICATION
OF SECTION 409A. This Award is intended to be exempt from the application of Section 409A of the Code (“Section 409A”) pursuant to Treasury Regulation 1.409A-1(b)(6).
Notwithstanding the foregoing or any other provision of this Agreement to the contrary, to the extent that (a) one or more of the payments or benefits received or to be received by you pursuant to this Agreement would constitute deferred
compensation subject to the requirements of Section 409A, and (b) you are a “specified employee” within the meaning of Section 409A, then such payment or benefit (or portion thereof) will be delayed until the earliest date
following your “separation from service” with the Company within the meaning of Section 409A on which the Company can provide such payment or benefit to you without your incurrence of any additional tax or interest pursuant to
Section 409A, with all payments or benefits due thereafter occurring in accordance with the original schedule. 
  

 5. 

 ATTACHMENT II 
 SILICON STORAGE TECHNOLOGY, INC. 
 2008 EQUITY INCENTIVE PLAN 
  

 6. 

 ATTACHMENT III 
 JOINT ESCROW INSTRUCTIONS 
 [Date] 
 [Corporate Secretary] 
 Silicon Storage Technology, Inc. 
 1171 Sonora Court 
 Sunnyvale, CA 94086 
 Dear Sir/Madam: 
 As Escrow Agent for both Silicon Storage
Technology, Inc., a California corporation (the “Company”), and the undersigned recipient of stock of the Company (“Recipient”), you are hereby authorized and directed to hold the documents delivered
to you pursuant to the terms of that certain Restricted Stock Bonus Grant Notice (the “Grant Notice”), dated
                     to which a copy of these Joint Escrow Instructions is attached as Attachment III and pursuant to the terms of that
certain Restricted Stock Bonus Agreement (“Agreement”), which is Attachment I to the Grant Notice, in accordance with the following instructions: 
 1. In the event Recipient ceases to render services to the Company or an affiliate of the Company during the vesting period set forth in the Grant Notice, the Company or its assignee will give to Recipient and
you a written notice specifying that the shares of Common Stock shall be transferred to the Company. Recipient and the Company hereby irrevocably authorize and direct you to close the transaction contemplated by such notice in accordance with the
terms of said notice. 
 2. At the closing you are directed (a) to date any stock assignments necessary for the transfer in
question, (b) to fill in the number of shares being transferred, and (c) to deliver same, together with the certificate evidencing the shares of Common Stock to be transferred, to the Company. 
 3. Recipient irrevocably authorizes the Company to deposit with you any certificates evidencing shares of Common Stock to be held by you hereunder
and any additions and substitutions to said shares as specified in the Grant Notice. Recipient does hereby irrevocably constitute and appoint you as Recipient’s attorney-in-fact and agent for the term of this escrow to execute with respect to
such securities and other property all documents of assignment and/or transfer and all stock certificates necessary or appropriate to make all securities negotiable and complete any transaction herein contemplated. 
 4. This escrow shall terminate upon vesting of the shares or upon the earlier return of the shares to the Company. 
  

 1. 

 5. If at the time of termination of this escrow you should have in your possession any documents,
securities, or other property belonging to Recipient, you shall deliver all of same to any pledgee entitled thereto or, if none, to Recipient and shall be discharged of all further obligations hereunder. 
 6. Your duties hereunder may be altered, amended, modified or revoked only by a writing signed by all of the parties hereto. 
 7. You shall be obligated only for the performance of such duties as are specifically set forth herein and may rely and shall be protected in
relying or refraining from acting on any instrument reasonably believed by you to be genuine and to have been signed or presented by the proper party or parties or their assignees. You shall not be personally liable for any act you may do or omit to
do hereunder as Escrow Agent or as attorney-in-fact for Recipient while acting in good faith and any act done or omitted by you pursuant to the advice of your own attorneys shall be conclusive evidence of such good faith. 
 8. You are 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 are hereby expressly authorized to comply with and obey orders, judgments or decrees of any court. In case you obey or comply with any such order, judgment or decree of any court, you shall not
be liable to any of the parties hereto or to any other person, firm or corporation by reason of such compliance, notwithstanding any such order, judgment or decree being subsequently reversed, modified, annulled, set aside, vacated or found to have
been entered without jurisdiction. 
 9. You shall not be liable in any respect on account of the identity, authority or rights of the
parties executing or delivering or purporting to execute or deliver the Grant Notice or any documents or papers deposited or called for hereunder. 
 10. You shall not be liable for the outlawing of any rights under any statute of limitations with respect to these Joint Escrow Instructions or any documents deposited with you. 
 11. You shall be entitled to employ such legal counsel, including but not limited to Cooley Godward Kronish LLP, and other experts as you may deem
necessary properly to advise you in connection with your obligations hereunder, may rely upon the advice of such counsel, and may pay such counsel reasonable compensation therefor. The Company shall be responsible for all fees generated by such
legal counsel in connection with your obligations hereunder. 
 12. Your responsibilities as Escrow Agent hereunder shall terminate if
you shall cease to be [Secretary] of the Company or if you shall resign by written notice to each party. In the event of any such termination, the Company may appoint any officer or assistant officer of the Company as successor Escrow Agent and
Recipient hereby confirms the appointment of such successor or successors as his attorney-in-fact and agent to the full extent of your appointment. 
 13. If you reasonably require other or further instruments in connection with these Joint Escrow Instructions or obligations in respect hereto, the necessary parties hereto shall join in furnishing such instruments. 
  

 2. 

 14. It is understood and agreed that should any dispute arise with respect to the delivery and/or
ownership or right of possession of the securities, you may (but are not obligated to) retain in your possession without liability to anyone all or any part of said securities until such dispute shall have been settled either by mutual written
agreement of the parties concerned or by a final order, decree or judgment of a court of competent jurisdiction after the time for appeal has expired and no appeal has been perfected, but you shall be under no duty whatsoever to institute or defend
any such proceedings. 
 15. Any notice required or permitted hereunder shall be given in writing and shall be deemed effectively
given upon personal delivery or upon deposit in any United States Post Box, by registered or certified mail with postage and fees prepaid, addressed to each of the other parties hereunto entitled at the following addresses, or at such other
addresses as a party may designate by ten (10) days’ written notice to each of the other parties hereto: 
  

			
	COMPANY:	  	Silicon Storage Technology, Inc.
		  	1171 Sonora Court
		  	Sunnyvale, CA 94086
		  	Attn: [General Counsel / Chief Financial Officer]
		  	
	RECIPIENT:	  	                                       
                                         
                                         
                              
		  	                                       
                                         
                                         
                              
		  	                                       
                                         
                                         
                              
		  	                                       
                                         
                                         
                              
		  	
	ESCROW AGENT:	  	Silicon Storage Technology, Inc.
		  	1171 Sonora Court
		  	Sunnyvale, CA 94086
		  	Attn: [Corporate Secretary]

 16. By signing these Joint Escrow Instructions you become a party hereto only for the
purpose of said Joint Escrow Instructions; you do not become a party to the Grant Notice. 
 17. This instrument shall be binding upon
and inure to the benefit of the parties hereto, and their respective successors and permitted assigns. It is understood and agreed that references to “you” or “your” herein refer to the original Escrow Agent and to any and all
successor Escrow Agents. It is understood and agreed that the Company may at any time or from time to time assign its rights under the Grant Notice and these Joint Escrow Instructions in whole or in part. 
 18. This Agreement shall be governed by and interpreted and determined in accordance with the laws of the State of California, as such laws are
applied by California courts to contracts made and to be performed entirely in California by residents of that state. 
  

 3. 

			
	Very truly yours,
	
	SILICON STORAGE TECHNOLOGY, INC.
		
	By:	 	 
	
	RECIPIENT
	
	 
		
	Name:	 	 

  

	
	ESCROW AGENT:
	
	  

  

 4. 

 ATTACHMENT IV 
 ASSIGNMENT SEPARATE FROM CERTIFICATE 
 FOR VALUE RECEIVED and pursuant to that certain Restricted Stock Bonus Grant Notice and Restricted Stock Bonus Agreement (the
“Award”), [Participant’s Name] hereby sells, assigns and transfers unto Silicon Storage Technology, Inc., a California corporation (“Assignee”)
                                
(            ) shares of the common stock of the Assignee, standing in the undersigned’s name on the books of said corporation represented by Certificate
No.              herewith and do hereby irrevocably constitute and appoint
                         as attorney-in-fact to transfer the said stock on the books of the within named Company with full
power of substitution in the premises. This Assignment may be used only in accordance with and subject to the terms and conditions of the Award, in connection with the reacquisition of shares of Common Stock of the Corporation issued to the
undersigned pursuant to the Award, and only to the extent that such shares remain subject to the Corporation’s Reacquisition Right under the Award. 
 Dated:                      
  

			
		
	Signature:	 	 
		 	[Participant’s Name], Recipient

 [INSTRUCTION: Please do not fill in any blanks other than the signature line. The
purpose of this Assignment is to enable the Company to exercise its Reacquisition Right set forth in the Award without requiring additional signatures on your part.]

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