Document:

Consent of Independent Registered Public Accounting Firm

 Exhibit 10(i)(a) 
  
 Consent of Independent Registered Public Accounting Firm 
  
 The Board of Directors of Massachusetts Mutual Life Insurance Company and 
 Contract owners of Massachusetts Mutual Variable Annuity Separate Account 4: 
  
 We consent to the use in this Post-Effective Amendment No. 3 to Registration Statement No. 333-112626 on Form N-4 of our report dated February 23, 2005 with respect to the statement of assets and liabilities of
Massachusetts Mutual Variable Annuity Separate Account 4 as of December 31, 2004 and the related statements of operations and changes in net assets and the financial highlights for the year then ended and of our report dated March 14, 2005 with
respect to the statutory statement of financial position of Massachusetts Mutual Life Insurance Company as of December 31, 2004 and the related statutory statements of income, changes in policyholders’ contingency reserves, and cash flows for
the year then ended, both appearing in the Statement of Additional Information, which is part of such Registration Statement, and to the reference to our firm under the heading “Experts” in the Statement of Additional Information.

  
 Our report dated February 23, 2005, refers to other auditors whose report on
the financial statements of Massachusetts Mutual Variable Annuity Separate Account 4 for the period ended December 31, 2003 and financial highlights for each year in the four-year period then ended, dated February 23, 2005, expressed an unqualified
opinion on those statements. 
  
 Our report dated March 14, 2005 includes
explanatory language that states that the Company prepared the statutory financial statements using statutory accounting practices prescribed or permitted by the Commonwealth of Massachusetts Division of Insurance, which practices differ from
accounting principles generally accepted in the United States of America. Accordingly, our report states that the statutory financial statements are not presented fairly in conformity with accounting principles generally accepted in the United
States of America and further states that those statements are presented fairly, in all material respects, in conformity with statutory accounting practices. In addition, our report refers to other auditors whose report on the statutory financial
statements of Massachusetts Mutual Life Insurance Company as of December 31, 2003, and for the years ended December 31, 2003 and 2002, dated March 5, 2004 (except with respect to the matter discussed in Note 17, as to which the date is March 14,
2005), expressed an unqualified opinion on those statements and included explanatory language that described the use of statutory accounting practices, which practices differ from accounting principles generally accepted in the United States of
America, and the adoption, effective January 1, 2003, of Statement of Statutory Accounting Principles No. 86, “Accounting for Derivative Instruments and Hedging, Income Generation, and Replication (Synthetic Asset) Transactions.”

  
 /s/    KPMG LLP 
 Hartford, Connecticut 
 April 25, 2005Consent of Independent Registered Public Accounting Firm

 Exhibit 10(i)(b) 
  

INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM’S CONSENT 
  
 To the Board of Directors of 
 Massachusetts
Mutual Life Insurance Company 
  
 We consent to the use in this Post-Effective
Amendment No. 3 to Registration Statement No. 333-112626 on Form N-4 of our report dated February 23, 2005 with respect to the statement of assets and liabilities of Massachusetts Mutual Variable Annuity Separate Account 4 as of December 31, 2003,
and the related statements of operations and changes in net assets for each of the two years in the period ended December 31, 2003, and of our report dated March 5, 2004 (March 14, 2005 as to the effect of the presentation change regarding the
statutory statements of cash flows for the years ended December 31, 2003 and 2002 to the direct method from the indirect method) with respect to the statutory statement of financial position of Massachusetts Mutual Life Insurance Company (which
report on Massachusetts Mutual Life Insurance Company expresses an unqualified opinion and includes explanatory paragraphs referring to the use of statutory accounting practices and the adoption, effective January 1, 2003, of Statement of Statutory
Accounting Principles No. 86, “Accounting for Derivative Instruments and Hedging, Income Generation, and Replication (Synthetic Asset) Transactions,” both of which practices differ from accounting principles generally accepted in
the United States of America and the effect of the presentation change regarding the statutory statements of cash flows for the years ended December 31, 2003 and 2002 to the direct method from the indirect method) as of December 31, 2003 and the
related statutory statements of income, changes in policyholders’ contingency reserves, and cash flows for the years ended December 31, 2003 and 2002, appearing in the Statement of Additional Information, which is a part of such Registration
Statement, and to the reference to us under the heading “Experts” in such Statement of Additional Information. 
  
 DELOITTE & TOUCHE LLP 
  
 Hartford, Connecticut 
 April 25, 2005Form of Subscription Agreement

 Exhibit 4.1 
  

	TO:	Amtech Systems, Inc. 

 131 South Clark Drive 
 Tempe, Arizona 85281 
  
 AMTECH SYSTEMS, INC. 
  
 ACCREDITED INVESTOR SUBSCRIPTION AGREEMENT 
  
 THIS AMTECH SYSTEMS, INC. ACCREDITED INVESTOR SUBSCRIPTION AGREEMENT AND POWER OF ATTORNEY (the “Agreement”) is executed and delivered as of the date set forth on the “Subscription Accepted” page
hereof, and is by and among Amtech Systems, Inc., an Arizona corporation (the “Company”), and the undersigned subscriber (“Subscriber”). 
  
 W I T N E S S E T H: 
  
 WHEREAS, the Company is soliciting subscriptions for a total of up to Two
Million One Hundred Sixty Thousand Dollars ($2,160,000) of shares of Series A Convertible Preferred Stock, $.01 par value, having the rights, preferences, privileges, powers and restrictions set forth in the Certificate of Designations, Preferences
and Privileges attached hereto as Exhibit A (the “Shares”), at a subscription price of Four Dollars ($4.00) per Share; and 
  
 WHEREAS, by this Agreement, Subscriber is subscribing to purchase certain of the Shares being offered pursuant this Agreement. 
  
 NOW, THEREFORE, Subscriber hereby agrees as follows: 
  
 A G R E E M E N
T: 
  
 1. Subscription. Subject to the terms and
conditions hereof, Subscriber desires to invest in the Company, and hereby subscribes for and agrees to purchase [                    ] Shares
for an aggregate purchase price of $[                    ] ($4.00 multiplied by the number of Shares subscribed for) (the “Subscription
Payment”), and the Company hereby acknowledges receipt of such amount. 
 The Subscription Payment may be paid by certified check or by wire transfer or
by any other means approved by the Company. 
  
 2. Acceptance
of Subscription. The Company, in consideration of and in reliance on the representations, warranties, covenants, and agreements of Subscriber and the tender of the Subscription Payment and the completion and execution of this Agreement, hereby
accepts the subscription of Subscriber, subject to the terms and conditions contained in this Agreement, and by execution of this Agreement by the Company, agrees to issue that number of Shares set forth herein to Subscriber. Notwithstanding the
above, the Company, in its sole and absolute discretion, reserves the right to accept or reject any subscription for any reason whatsoever. 
  

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 3. Acceptance and Adoption. Upon satisfaction of the conditions referred to in Section 2. hereof,
a copy of this Agreement, duly executed by the Company, will be delivered to the Subscriber. SUBSCRIBER HEREBY ACKNOWLEDGES THAT HE HAS HAD AN OPPORTUNITY TO ASK QUESTIONS OF AND TO RECEIVE ANSWERS FROM AUTHORIZED OFFICERS OF THE COMPANY
CONCERNING THE COMPANY’S AFFAIRS AND PROSPECTS. SUBSCRIBER FURTHER ACKNOWLEDGES THAT HE HAS REVIEWED COPIES OF THE COMPANY’S MOST RECENT FILINGS WITH THE SECURITIES AND EXCHANGE COMMISSION, INCLUDING, SPECIFICALLY, THE COMPANY’S FORM
10-K FOR THE FISCAL YEAR ENDED SEPTEMBER 30, 2004 AND ITS FORMS 10-Q FOR THE SUBSEQUENT INTERIM QUARTERLY PERIODS (THE “COMPANY’S SEC FILINGS”). SUBSCRIBER IS AWARE THAT AN INVESTMENT IN THE SHARES IS SPECULATIVE AND THAT SUCH
INVESTMENT INVOLVES SUBSTANTIAL RISKS. SUBSCRIBER HAS CAREFULLY CONSIDERED SUCH RISKS PRIOR TO MAKING A DECISION TO INVEST IN THE SHARES. 
  
 4. Condition Precedent to Acceptance of the Subscription. 
  

(a) Subscriber understands that prior to the acceptance of this Agreement, the Company may withdraw or terminate any offer to Subscriber. 

 
 (b) Prior to the acceptance of this Agreement, Subscriber shall have
executed and delivered to the Company the Investor Questionnaire (as defined below). 
  
 5. Representations, Warranties and Covenants of the Company. The Company represents and warrants to Subscriber that: 
  
 (a) The Company is a corporation duly organized, validly existing and in good standing under the laws of the jurisdiction in which it was incorporated,
and has the requisite corporate power to own its properties and to carry on its business as now conducted. The copies of the Company’s Articles of Incorporation and Bylaws delivered to Subscriber are true and correct. 
  
 (b) As of December 31, 2004 the authorized capital stock of the Company
consisted of 100,000,000 shares of Common Stock, $.01 par value, of which 2,705,121 shares were issued and outstanding and 187,500 shares were reserved for issuance pursuant to stock option plans, and 100,000,000 shares of blank Preferred Stock, of
which no shares were issued and outstanding and no shares were reserved, other than with respect to the Shares. Since such date, no additional shares of capital stock have been issued by the Company other than pursuant to the exercise of options
outstanding pursuant to stock option plans. All of the issued and outstanding shares of Common Stock are duly authorized, validly issued, fully paid and non-assessable, free of preemptive rights and were not issued in violation of any preemptive or
other rights of any person to acquire securities of the Company. The Company has no outstanding bonds, debentures, notes or other obligations the holders of which have the right to vote (or which are convertible into or exercisable for securities
having the right to vote) with the stockholders of Company on any matter. 
  

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 (c) The issuance and delivery by the Company of all Shares to be issued in connection with this Agreement
have been duly and validly authorized by all necessary corporate action on the part of the Company. The Shares, and shares of Common Stock to be issued upon conversion thereof, when issued will be validly issued, fully paid and nonassessable, and
will not have been issued in violation of any preemptive or other rights of any person to acquire securities of the Company. 
  
 (d) The Company has the requisite corporate power and authority to execute and deliver this Agreement and all agreements and documents contemplated
hereby, and to perform its obligations hereunder and thereunder. The execution, delivery and performance of this Agreement and all agreements and documents contemplated hereby by the Company, and the issuance of the Shares and the shares of Common
Stock issuable upon conversion thereof, have been duly authorized by all necessary corporate action on the part of the Company, and this Agreement and all agreements and documents contemplated hereby constitute the valid and binding obligation of
the Company, enforceable against the Company in accordance with its terms. The execution, delivery and performance of this Agreement, the consummation of the transactions contemplated hereby and the issuance of the Shares and such shares of Common
Stock, do not conflict with or constitute a breach, default or violation under (i) the Articles of Incorporation or Bylaws of the Company, (ii) any contract, agreement or instrument to which the Company is a party, or (iii) any judgment, decree or
order to which the Company is a party, or by which any of its properties or assets may be bound or affected. 
  
 (e) The Company has delivered to Subscriber each registration statement, report, proxy statement or information statement prepared and filed with the
Securities and Exchange Commission by it since September 30, 2004, including, without limitation, its Annual Report on Form 10-K for the year ended September 30, 2004, each in the form (including exhibits and any amendments thereto) filed with the
SEC (collectively, the “Company’s Reports”). As of their respective dates, the Company’s Reports (i) complied as to form in all material respects with the applicable requirements of the Securities Act, the Securities Exchange Act
of 1934, as amended (the “Exchange Act”), and the rules and regulations thereunder and (ii) did not contain any untrue statement of a material fact or omit to state a material fact required to be stated therein or necessary to make the
statements made therein, in the light of the circumstances under which they were made, not misleading. Each of the balance sheets included in or incorporated by reference into the Company’s Reports (including the related notes and schedules)
fairly presents, in all material respects, the financial position of the Company as of its date, and each of the statements of income, retained earnings and cash flows included in or incorporated by reference into the Company Reports (together with
the related notes and schedules) fairly presents, in all material respects, the results of operations, retained earnings or cash flows, as the case may be, of the Company for the periods set forth therein (subject to the lack of footnote disclosure
and normal year-end audit adjustments which would not be material in amount or effect), in each case in accordance with generally accepted accounting principles consistently applied during the periods involved, except as may be noted therein. Except
as and to the extent set forth in the balance sheet of the Company at December 31, 2004, including all notes thereto, or as set forth in the Company’s Reports, the Company has no material liabilities or obligations of any nature (whether
accrued, absolute, contingent or otherwise) that would be required to be reflected on, or reserved against in, a balance sheet of Company or in the notes thereto, prepared in accordance with generally accepted accounting principles consistently
applied, except liabilities arising in the ordinary course of business since such date. 
  

 - 3 - 

 (f) Except as described in the Company’s Reports, there are no actions, suits or proceedings pending
against Company or, to the knowledge of the executive officers of Company, threatened against Company at law or in equity, or before or by any federal or state commission, board, bureau, agency or instrumentality, that are reasonably likely to have
a material adverse effect on the business or financial condition of the Company (a “Company Material Adverse Effect”). 
  
 (g) Since September 30, 2004, Company has conducted its business only in the ordinary course of such business, and there has not been (i) any Company
Material Adverse Effect; (ii) any declaration, setting aside or payment of any dividend or other distribution with respect to its capital stock; or (iii) any material change in its accounting principles, practices or methods. 
  
 (h) The Company (i) has no liabilities for due but unpaid federal, state or
foreign taxes for tax years ended prior to the date of this Agreement, and (ii) has properly accrued all such taxes for periods subsequent to such tax years. 
  
 6. Representations and Warranties of Subscriber. Knowing that the Company will rely on the following information to determine the applicability of
various securities laws and for certain other purposes, Subscriber hereby represents, warrants, covenants, and agrees with and to the Company as follows: 
  
 (a) Subscriber has had the opportunity to ask questions of and to receive answers from the Company and its executive officers concerning the affairs and
prospects of the Company in general and desires no further information pertaining to the Company. Subscriber will rely solely upon (i) such information and the Company’s Reports, (ii) investigations made by him or his representatives, and (iii)
the representations and warranties made by the Company herein in making his investment decision. 
  
 (b) Subscriber represents and warrants that it is an “accredited investor” as such term in defined in Rule 501 of Regulation D promulgated under
the Act (“Accredited Investor”), and that it is able to bear the economic risk of an investment in the Shares. Subscriber further represents and warrants that the information furnished in the confidential investor questionnaire (the
“Investor Questionnaire”) that it has delivered concurrently herewith to the Company, is accurate and complete in all respects. Subscriber’s overall commitment to investments that are not readily marketable is not disproportionate to
Subscriber’s net worth, and Subscriber’s investment in the Shares will not cause such overall commitment to such investments to become excessive. 
  
 (c) Subscriber has, either alone or together with his purchaser representative, if any, such knowledge and experience in financial and business matters
that Subscriber is capable of evaluating the merits and risks of this investment. 
  
 (d) Subscriber has adequate means of providing for his current needs and personal contingencies, and Subscriber has no need for liquidity in his investment in the Shares. Subscriber is financially responsible, able to
meet his obligations hereunder, and acknowledges that this investment is long-term and speculative in nature. 
  

 - 4 - 

 (e) Subscriber’s personal financial circumstances, investment portfolio, and tax bracket are such
that Subscriber and Subscriber’s purchaser representative, if any, believe the purchase contemplated herein to be a suitable investment. Subscriber is able to bear the economic risk of this investment. 
  
 (f) The address set forth below is that of the Subscriber’s true and
correct residence. 
  
 (g) Subscriber acknowledges that if a
purchaser representative has been utilized by him in evaluating the investment contemplated hereby, that Subscriber’s purchaser representative has advised him of the merits and risks of an investment in the Company and the suitability of the
investment. 
  
 (h) Subscriber acknowledges that Catalyst
Financial LLC is acting as the placement agent in connection with the offering of the Shares and will receive compensation as follows: (i) a sales commission in the amount of eight percent (8%) of the gross proceeds raised in the offering and (ii) a
non-accountable expense allowance in the amount of two percent (2%) of the gross proceeds raised in the offering of the Shares, and (iii) warrants to purchase 60,000 shares of the Company’s Common Stock, with an exercise price of four dollars
and sixty seven cents ($4.67) per share and an expiration date of five (5) years after the issuance of the Shares. 
  
 (i) Subscriber, and his purchaser representative, if any, have had sufficient access to information concerning the Company so that Subscriber was able,
personally, or through his purchaser representative, if any, to make such appropriate independent investigation as Subscriber deemed necessary to prior to making the decision to purchase the Shares for which Subscriber is subscribing. Subscriber, or
his purchaser representative, if any, has had a reasonable opportunity to ask questions of and receive answers from the Company, or a person or persons acting on its behalf, concerning the Company and all such questions have been answered to
Subscriber’s full satisfaction. Subscriber acknowledges that any projections or other financial information provided by the Company to Subscriber are a mere prediction of future events based upon assumptions, which may or may not be valid.
Subscriber acknowledges that in evaluating this investment he has not relied exclusively upon these projections. 
  
 (j) Subscriber recognizes that an investment in the Company involves certain risks, and Subscriber has taken full cognizance of and understands all of the
risk factors related to the purchase of the Shares. Consequently, Subscriber confirms that he is financially prepared to hold the Shares for a substantial period of time. 
  
 (k) Subscriber understands that the Shares have not been registered under the Securities Act of 1933, as amended (the
“1933 Act”), or under any state securities act in reliance on an exemption for private offerings, and Subscriber further acknowledges that he is purchasing the Shares without being furnished any offering literature or prospectus.

  
 (l) Subscriber acknowledges that the Company is not currently
eligible to file a registration statement on Form S-3 under the 1933 Act covering reoffers and resales of the Common Stock to be issued to Subscriber upon the conversion of the Shares or for the payment of distributions with respect to the Shares.

  

 - 5 - 

 (m) The Shares for which the Subscriber is subscribing are being acquired solely for Subscriber’s
own account, for investment purposes, and are not being purchased with a view to or for resale, distribution, subdivision, or fractionalization, and Subscriber has no plans to enter into any such contract, undertaking, agreement, or arrangement.
Subscriber agrees that the Shares to be received will bear a restrictive legend limiting transfer. 
  
 (n) If Subscriber is a corporation, partnership, or trust, the undersigned is authorized and otherwise duly qualified to purchase and hold the Shares, and
Subscriber has its principal place of business as set forth below and was not formed for the specific purpose of acquiring the Shares, unless otherwise specifically set forth on the signature page hereof. 
  
 7. Registration Rights. Subscriber shall have the registration rights
with respect to the Shares as set forth on Exhibit B hereto. 
  
 8. Key Man Life Insurance. As soon as reasonably practicable after the date hereof, but in no event more than ninety (90) days after the date hereof, the Company shall purchase a key man life insurance policy with a minimum coverage
of Two Million Dollars ($2,000,000) for the Chief Executive Officer of the Company and shall thereafter maintain such insurance policy so as long as any Shares remain outstanding. 
  
 9. Indemnification. 
  
 (a) Subscriber acknowledges that he understands the meaning and legal consequences of the representations and warranties contained in Section 6.0 hereof
and the other covenants made herein, and Subscriber hereby agrees to indemnify and hold harmless the Company from and against any and all loss, damage, or liability due to or arising out of a breach of any representation, warranty, or covenant
contained in this Agreement and all other documents delivered in connection with this subscription. 
  
 (b) The Company agrees to indemnify and hold harmless the Subscriber from and against any and all loss, damage, or liability due or arising out of a
breach of any representation, warranty or covenant contained in this Agreement. 
  
 10. Transferability. Subscriber agrees not to transfer or assign this Agreement, and further agrees that the assignment and transferability of the Shares acquired hereby will be restricted as required by
applicable securities law. 
  
 11. Revocation. Subscriber
agrees that he is not entitled to cancel, terminate, or revoke this Agreement or any agreement made hereunder and that this Agreement shall survive Subscriber’s death or disability. 
  
 12. Miscellaneous. 
  
 (o) All notices or other communications given or made hereunder shall be in writing and shall be delivered or mailed by registered or certified mail,
return receipt requested, postage prepaid, to Subscriber at his address set forth below and to the Company at the address first set forth above. 
  

 - 6 - 

 (p) Notwithstanding the place where this Agreement may be executed by any of the parties hereto, the
parties expressly agree that all the terms and provisions hereof shall be construed in accordance with and be governed by the laws of the State of Arizona to the extent possible. 
  
 (q) This Agreement constitutes the entire agreement between the parties hereto with respect to the subject matter hereof and
may be amended only by a writing executed by all parties hereto. 
  
 (r) Subscriber agrees that the Shares shall stand in its name exactly in the manner shown below. Wherever the first person singular or masculine form of pronoun is used herein and the sense of this Agreement would require that the plural or
feminine form be used, for all purposes herein such singular form shall be deemed plural and the masculine deemed feminine. 
  
 13. Legends. 
  

	 	•	 	For Residents of All States: 

  
 THE SHARES OFFERED HEREBY HAVE NOT BEEN REGISTERED UNDER THE 1933 ACT, OR THE SECURITIES LAWS OF CERTAIN STATES AND ARE BEING OFFERED AND SOLD IN RELIANCE
ON EXEMPTIONS FROM THE REGISTRATION REQUIREMENTS OF SAID ACT AND SUCH LAWS. THE SHARES ARE SUBJECT TO RESTRICTION ON TRANSFERABILITY AND RESALE AND MAY NOT BE TRANSFERRED OR RESOLD EXCEPT AS PERMITTED UNDER SAID ACT AND SUCH LAWS PURSUANT TO
REGISTRATION OR EXEMPTION THEREFROM. THE SHARES HAVE NOT BEEN APPROVED OR DISAPPROVED BY THE SECURITIES AND EXCHANGE COMMISSION, ANY STATE SECURITIES COMMISSION OR OTHER REGULATORY AUTHORITY, NOR HAVE ANY OF THE FOREGOING AUTHORITIES PASSED UPON OR
ENDORSED THE MERITS OF THIS OFFERING OR THE ACCURACY OR ADEQUACY OF THE MEMORANDUM. ANY REPRESENTATION TO THE CONTRARY IS UNLAWFUL. 
  

	 	•	 	For Arizona Residents Only: 

  
 THE SHARES HAVE NOT BEEN REGISTERED UNDER THE SECURITIES LAWS OF ARIZONA AND MAY NOT BE TRANSFERRED OR SOLD BY A PURCHASER THEREOF EXCEPT IN TRANSACTIONS
WHICH ARE EXEMPT FROM REGISTRATION UNDER THE SECURITIES LAWS OF ARIZONA OR PURSUANT TO AN EFFECTIVE REGISTRATION THEREUNDER. 
  

 - 7 - 

 TYPE OF OWNERSHIP 
 (check one) 
  

	 ̈	Individual (indicate sole and separate property, if applicable) (one signature required) 

  

	 ̈	Community Property (two signatures required) 

  

	 ̈	Tenants-in-Common (all parties must sign) 

  

	 ̈	Joint Tenants with Right of Survivorship and not as Tenants in Common (all parties must sign) 

  

	 ̈	Partnership 

  

	 ̈	Limited Company 

  

	 ̈	Trust (date of formation:                     ,
        ) 

  

	 ̈	Corporation 

  

	 ̈	Other (please specify)
                                        
                                        
                                        
                                        
         

  
  

 SIGNATURE PAGE FOR INDIVIDUAL SUBSCRIBERS 
  
 IN WITNESS WHEREOF, Subscriber represents and warrants that the foregoing
statements are true and correct and that he has completed and executed this Agreement on this      day of                 , 2005.

  

			
	  

	 	  

	 Signature of Subscriber
 (if more than
one)
	 	Signature of Subscriber
		
	  

	 	  

	Name (Please Print)	 	Name (Please Print)
		
	  

	 	  

	Social Security Number	 	Social Security Number
		
	  

	 	  

	Address	 	Address
		
	  

	 	  

	City                 State
                Zip Code	 	City                 State
                Zip Code
		
	 (    )

	 	 (    )

	Telephone	 	Telephone
		
	 	 	 Number of Shares
 Subscribed for:

  
  

 SIGNATURE PAGE FOR COMPANY SUBSCRIBERS 
  
 IN WITNESS WHEREOF, Subscriber represents and warrants that the foregoing
statements are true and correct and that he has completed and executed this Agreement on this      day of
                    , 2005. 
  

					
	 	 	 	 	  

	 	 	 	 	Name of Company (Please Print)
			
	By:	 	  

	 	  

	 	 	 Signature of Additional Company
 (if
required)
	 	Signature of Company
	  
  

	 	  
  

	 Name of Additional General Partner
 (Please
Print)
	 	 Name of Company
 (Please Print)

	 	 	 	 	 Taxpayer I.D. Number:

	 	 	 	 	  
  

	 	 	 	 	  

	 	 	 	 	Address
	 	 	 	 	  

	 	 	 	 	City                 State
                Zip Code
			
	 	 	 	 	 (    )

	 	 	 	 	Telephone
			
	 	 	 	 	Number of Shares
	 	 	 	 	 Subscribed for:

 SIGNATURE PAGE FOR TRUST SUBSCRIBERS 
  
 IN WITNESS WHEREOF, Subscriber represents and warrants that the foregoing statements are true and correct and that he has
completed and executed this Agreement on this      day of                 , 2005. 
  

					
	 	 	 	 	  

	 	 	 	 	Name of Trust (Please Print)
			
	By:	 	  

	 	  

	 	 	 Signature of Additional Trustee
 (if
required)
	 	Signature of Trustee
		
	  

	 	  

	 Name of Additional Trustee
 (Please
Print)
	 	Name of Trustee (Please Print)
	 	 	 	 	Date Trust Formed:
			
	 	 	 	 	                                      
  ,             
			
	 	 	 	 	 Taxpayer I.D. Number:

	 	 	 	 	  

			
	 	 	 	 	  

	 	 	 	 	Address
			
	 	 	 	 	  

	 	 	 	 	City                 State
                Zip Code
			
	 	 	 	 	 (    )

	 	 	 	 	Telephone
			
	 	 	 	 	Number of Shares
	 	 	 	 	 Subscribed for:

  
  

 SIGNATURE PAGE FOR CORPORATE SUBSCRIBERS 
  
 IN WITNESS WHEREOF, Subscriber represents and warrants that the foregoing
statements are true and correct and that he has completed and executed this Agreement on this      day of                 , 2005.

  

					
	 	 	 	 	  

	 	 	 	 	Name of Corporation (Please Print)
			
	By:	 	  

	 	  

	 	 	 Signature of Additional Authorized
 Officer or Agent
(if required)
	 	Signature of Authorized Officer or Agent
	  
  

	 	  
  

	 Name of Additional Authorized
 Officer or
Agent (Please Print)
	 	Name of Officer or Agent (Please Print)
			
	Title:	 	  

	 	 Title:    

			
	 	 	 	 	 State of Incorporation:

			
	 	 	 	 	 Taxpayer I.D. Number:

	 	 	 	 	  

	 	 	 	 	  

	 	 	 	 	Address
			
	 	 	 	 	  

	 	 	 	 	City                 State
                Zip Code
			
	 	 	 	 	 (    )

	 	 	 	 	Telephone
			
	 	 	 	 	Number of Shares
	 	 	 	 	 Subscribed for:

 For Use and Completion by the Company Only 
  
 SUBSCRIPTION
ACCEPTED:                        , 2005, for
             Shares. 
  
 AMTECH SYSTEMS, INC., 
 an Arizona corporation 
  

					
	By:	 	  

			
	 	 	         Its:
	 	  

 Exhibit A 
  
 CERTIFICATE OF DESIGNATIONS, PREFERENCES AND PRIVILEGES 
  

 A1 

 Exhibit B 
  
 REGISTRATION RIGHTS

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