Document:

Specimen Warrant Certificate

 Exhibit 4.3 
  

[Legend for Warrants held by affiliates of the Company 
  
 THE SECURITIES REPRESENTED BY THIS WARRANT CERTIFICATE (INCLUDING THE SECURITIES ISSUABLE UPON EXERCISE OF THE WARRANT) HAVE NOT BEEN REGISTERED UNDER THE SECURITIES ACT
OF 1933, AS AMENDED (THE “ACT”), OR THE SECURITIES LAWS OF ANY STATE OR OTHER JURISDICTION, AND MAY NOT BE TRANSFERRED IN VIOLATION OF SUCH ACT AND LAWS, OR AN EXEMPTION FROM REGISTRATION THEREFROM.] 
  
 [Founder/Insider Warrant Legend 
  
 THE SECURITIES REPRESENTED BY THIS WARRANT CERTIFICATE (INCLUDING THE SECURITIES ISSUABLE
UPON EXERCISE OF THE WARRANT) ARE SUBJECT TO ADDITIONAL RESTRICTIONS ON TRANSFER AND OTHER AGREEMENTS SET FORTH IN (I) THE WARRANT AGREEMENT DATED AS OF
                                , BY AND BETWEEN THE COMPANY AND THE WARRANT AGENT
(THE “WARRANT AGREEMENT”) AND (II) THE SECURITIES ESCROW AGREEMENT DATED AS OF
                                    , BY AND BETWEEN THE
HOLDER AND THE ESCROW AGENT. COPIES OF SUCH AGREEMENTS MAY BE OBTAINED BY THE HOLDER HEREOF AT THE COMPANY’S PRINCIPAL PLACE OF BUSINESS WITHOUT CHARGE.] 
  

			
	NUMBER	 	WARRANTS
	_______________________________	 	 

  
 THIS WARRANT WILL BE
VOID IF NOT EXERCISED PRIOR TO 
 5:00 P.M. NEW YORK CITY TIME,
                                     
  
 SAPPHIRE INDUSTRIALS CORP. 
 [CUSIP #] 
 WARRANT 
  
 THIS CERTIFIES THAT, for value received
                                        
                         is the registered holder of a Warrant or Warrants expiring
                                 (the “Warrant”) to purchase one fully
paid and non-assessable share of Common Stock, par value $0.001 per share (the “Shares”), of Sapphire Industrials Corp., a Delaware corporation (the “Company”), for each Warrant evidenced by this Warrant Certificate. The Warrant
entitles the holder thereof to purchase from the Company, commencing on the later of (i) the completion of a Business Combination (as such term is defined in the Amended and Restated Certificate of Incorporation of the Company), and
(ii)                                       
               [one year after the effective date of the registration statement], such number of Shares of the Company at the price of $7.50 per share, upon surrender of
this Warrant Certificate accompanied by the annexed duly executed subscription form and payment of the Warrant Price at the office or agency of
                                        
     (the “Warrant Agent”), but only subject to the conditions set forth herein and in the warrant agreement between the Company and the Warrant Agent (the “Warrant Agreement”). The Company shall not be
obligated to deliver any securities pursuant to the exercise of a Warrant and shall have no obligation to settle a Warrant exercise unless a registration statement under the Securities Act of 1933, as amended, (the “Act”) with respect to
the Common Stock is effective, subject to the Company satisfying its obligations under Section 7.4 of the Warrant Agreement to use its best efforts. In the event that a registration statement with respect to the Common Stock underlying a
Warrant is not effective under the Act, the holder of such 

  

 1 

 
Warrant shall not be entitled to exercise such Warrant and such Warrant may have no value and expire worthless. In no event will the Company be required to
net cash settle the warrant exercise. The Warrant Agreement provides that upon the occurrence of certain events the Warrant Price and the number of Warrant Shares purchasable hereunder, set forth on the face hereof, may, subject to certain
conditions, be adjusted. The term “Warrant Price” as used in this Warrant Certificate refers to the price per Share at which Shares may be purchased at the time the Warrant is exercised. 
  
 No fraction of a Share will be issued upon any exercise of a Warrant. If the
holder of a Warrant would be entitled to receive a fraction of a Share upon any exercise of a Warrant, the Company shall, upon such exercise, round up to the nearest whole number the number of Shares to be issued to such holder. 
  
 Upon any exercise of the Warrant for less than the total number of full
Shares provided for herein, there shall be issued to the registered holder hereof or his assignee a new Warrant Certificate covering the number of Shares for which the Warrant has not been exercised. 
  
 Warrant Certificates, when surrendered at the office or agency of the Warrant
Agent by the registered holder hereof in person or by attorney duly authorized in writing, may be exchanged in the manner and subject to the limitations provided in the Warrant Agreement, but without payment of any service charge, for another
Warrant Certificate or Warrant Certificates of like tenor and evidencing in the aggregate a like number of Warrants. 
  
 Upon due presentment for registration of transfer of the Warrant Certificate at the office or agency of the Warrant Agent, a new Warrant Certificate or
Warrant Certificates of like tenor and evidencing in the aggregate a like number of Warrants shall be issued to the transferee in exchange for this Warrant Certificate, subject to the limitations provided in the Warrant Agreement, without charge
except for any applicable tax or other governmental charge. 
  
 The Company and the Warrant Agent may deem and treat the registered holder as the absolute owner of this Warrant Certificate (notwithstanding any notation of ownership or other writing hereon made by anyone), for the purpose of any exercise
hereof, of any distribution to the registered holder, and for all other purposes, and neither the Company nor the Warrant Agent shall be affected by any notice to the contrary. 
  
 This Warrant does not entitle the registered holder to any of the rights of a stockholder of the Company. 
  
 The Company reserves the right to call the Warrant at any time prior to its
exercise, with a notice of call in writing to the holders of record of the Warrant, giving thirty (30) days prior written notice of such call at any time after the Warrant becomes exercisable if the last sales price of the Shares equals or
exceeds $13.50 per share (the “Trigger Price”) for any twenty (20) trading days within a thirty (30) trading day period ending on the third business day prior to the date on which notice of the call is given (the
“Measurement Period”). The Warrant may not be called unless the Warrant and the Shares are covered by an effective registration statement and a current prospectus from the beginning of the Measurement Period through the date fixed for the
call. The call price of the Warrants is to be $0.01 per 

  

 2 

 
Warrant. Any Warrant either not exercised or tendered back to the Company by the end of the date specified in the notice of call shall be canceled on the
books of the Company and have no further value except for the $0.01 call price. The Trigger Price is subject to adjustments as provided in the Warrant Agreement. If the Company calls the Warrant for redemption as discussed above, it will have the
option to require the holder that wishes to exercise the Warrant to do so on a cashless basis. In such event, each holder would pay the exercise price by surrendering the Warrant for that number of shares of Common Stock equal to the quotient
obtained by dividing (x) the product of the number of shares of Common Stock underlying the Warrant, multiplied by the difference between the exercise price of the Warrant and the “fair market value” (defined below) by (y) the
fair market value. The “fair market value” shall mean the average reported last sale price of the Common Stock for the 10 trading days ending on the third trading day prior to the date on which the notice of redemption is sent to the
holder. 
  

									
	By:	 	 	 	 	 	 	 	 
	 	 	 	 	 	 	 
	President	 	 	 	 	 	 Secretary

  

 3 

 SUBSCRIPTION FORM—CASH EXERCISE 
 To Be Executed by the Registered Holder in Order to Exercise Warrants 
  
 The undersigned Registered Holder irrevocably elects to exercise
                                        
                 Warrants represented by this Warrant Certificate, and to purchase the shares of Common Stock issuable upon the exercise of such Warrants, and requests
that Certificates for such shares shall be issued in the name of 
  
 (PLEASE TYPE OR PRINT NAME AND ADDRESS) 
  
 (SOCIAL
SECURITY OR TAX IDENTIFICATION NUMBER) 
  
 and be
delivered to 
  
 (PLEASE PRINT OR TYPE NAME AND ADDRESS)

  
 and, if such number of Warrants shall not be all the Warrants evidenced by
this Warrant Certificate, that a new Warrant Certificate for the balance of such Warrants be registered in the name of, and delivered to, the Registered Holder at the address stated below: 
  

									
	Dated:	 	 	 	 
				
	 	 	 	 	 	 	 (SIGNATURE)
  
 (ADDRESS)
  
 (TAX IDENTIFICATION NUMBER)

  
 THE SIGNATURE(S) MUST BE GUARANTEED BY
AN ELIGIBLE GUARANTOR INSTITUTION (BANKS, STOCKBROKERS, SAVINGS AND LOAN ASSOCIATIONS AND CREDIT UNIONS WITH MEMBERSHIP IN AN APPROVED SIGNATURE GUARANTEE MEDALLION PROGRAM, PURSUANT TO SECURITIES AND EXCHANGE COMMISSION RULE 17Ad–15).

  

 4 

 SUBSCRIPTION FORM—CASHLESS EXERCISE 
 To Be Executed by the Registered Holder in Order to Exercise Warrants 
  
 The undersigned Registered Holder irrevocably elects (i) to exercise
                         Warrants represented by this Warrant Certificate, and (ii) to surrender
                                         Warrants
represented by this Warrant Certificate (with a “Value” of $             based on a “Fair Market Value” of
$                            ) to purchase the shares of Common Stock issuable upon the exercise of the
Warrants exercised hereby, and requests that Certificates for such shares shall be issued in the name of 
  
 (PLEASE TYPE OR PRINT NAME AND ADDRESS) 
  
 (SOCIAL SECURITY OR TAX IDENTIFICATION NUMBER) 
  
 and be delivered to 
  
 (PLEASE PRINT OR TYPE NAME AND ADDRESS) 
  
 and, if such number of Warrants exercised and surrendered shall not be all the Warrants evidenced by this Warrant Certificate, that a new Warrant Certificate for the
balance of such Warrants be registered in the name of, and delivered to, the Registered Holder at the address stated below: 
  

									
	Dated:	 	 	 	 
				
	 	 	 	 	 	 	 (SIGNATURE)
  
 (ADDRESS)
  
 (TAX IDENTIFICATION NUMBER)

  
 THE SIGNATURE(S) MUST BE GUARANTEED BY
AN ELIGIBLE GUARANTOR INSTITUTION (BANKS, STOCKBROKERS, SAVINGS AND LOAN ASSOCIATIONS AND CREDIT UNIONS WITH MEMBERSHIP IN AN APPROVED SIGNATURE GUARANTEE MEDALLION PROGRAM, PURSUANT TO SECURITIES AND EXCHANGE COMMISSION RULE 17Ad–15).

  

 5 

 ASSIGNMENT 
 To Be Executed by the Registered Holder in Order to Assign Warrants 
  
 For Value Received, hereby sells, assigns, and transfers unto 
  
 (PLEASE TYPE OR PRINT NAME AND ADDRESS) 
  
 (SOCIAL SECURITY OR TAX IDENTIFICATION NUMBER) 
  
 of the Warrants
represented by this Warrant Certificate, and hereby irrevocably constitutes and appoints Attorney to transfer this Warrant Certificate on the books of the Company, with full power of substitution in the premises. 
  

									
	Dated:	 	 	 	 
				
	 	 	 	 	 	 	(SIGNATURE)

  
 THE SIGNATURE(S) MUST BE GUARANTEED BY
AN ELIGIBLE GUARANTOR INSTITUTION (BANKS, STOCKBROKERS, SAVINGS AND LOAN ASSOCIATIONS AND CREDIT UNIONS WITH MEMBERSHIP IN AN APPROVED SIGNATURE GUARANTEE MEDALLION PROGRAM, PURSUANT TO SECURITIES AND EXCHANGE COMMISSION RULE 17Ad-15). 

 

 6Promissory Note issued to Lazard Funding Limited LLC

 Exhibit 10.12 
  
 PROMISSORY NOTE 
  

			
	 Borrower:
	  	Rock Acquisition Corp. of
	 	  	30 Rockefeller Plaza
	 	  	62nd Floor
	 	  	New York, New York 10020
		
	 Lender:
	  	Lazard Funding Limited LLC
		
	 Principal Amount:
	  	$100,000.00

  
 1. FOR VALUE RECEIVED, Rock
Acquisition Corp. promises to pay to Lazard Funding Limited LLC, at such address as may be provided in writing to Rock Acquisition Corp., the principal sum of one hundred thousand ($100,000.00) USD or such lesser amount, as the case may be, equal to
the funds advanced by Lazard Funding Limited LLC to or on behalf of Rock Acquisition Corp., with interest payable on the unpaid principal at the rate of 3.60 percent per annum, calculated half-yearly not in advance. Documentation to substantiate all
amounts advanced to or on behalf of Rock Acquisition Corp. pursuant to this Note shall be attached hereto as such funds are so advanced. 
  
 2. This Note will be repaid in full on the earlier of (i) April 1, 2008 and (ii) seven days following the consummation of an initial public offering of
Rock Acquisition Corp.’s securities. 
  
 3. At any time, Rock Acquisition
Corp. may pay the outstanding balance then owing under this Note to Lazard Funding Limited LLC without further bonus or penalty. 
  
 4. This Note will be construed in accordance with and governed by the laws of the State of New York. 
  
 5. If any term, covenant, condition or provision of this Note is held by a court of competent
jurisdiction to be invalid, void or unenforceable, it is the parties’ intent that such provision be reduced in scope by the court only to the extent deemed necessary by that court to render the provision reasonable and enforceable and the
remainder of the provisions of this Note will in no way be affected, impaired or invalidated as a result. 
  
 6. All costs, expenses and expenditures including, and without limitation, the reasonable legal costs incurred by Lazard Funding Limited LLC in enforcing this Note as a result of any default by Rock Acquisition Corp.,
will be added to the principal then outstanding and will immediately be paid by Rock Acquisition Corp. 
  
 7. This Note will inure to the benefit of and be binding upon the respective heirs, executors, administrators, successors and assigns of Rock Acquisition Corp. and Lazard Funding Limited LLC. Rock Acquisition Corp.
waives presentment for payment, notice of non-payment, protest and notice of protest. 
  
  

 IN WITNESS WHEREOF Rock Acquisition Corp. has duly affixed its
signature by a duly authorized officer under seal on this 1st day of October, 2007. 
  
 SIGNED, SEALED, AND DELIVERED 
 this 1st day of October, 2007. 
  
  

			
	Rock Acquisition Corp.
	
	 
		
	By:	 	/s/ Donald G. Drapkin        
	 	 	Name:  Donald G. Drapkin
	 	 	Title:    Chief Executive Officer and President

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