Document:

First Amendment to Sublease (585 Broadway, Redwood City, California)

 Exhibit 10.18B 
 FIRST AMENDMENT TO SUBLEASE 
 This FIRST AMENDMENT TO SUBLEASE (“Amendment”) is made
and entered into as of November 2, 2006 by and between BROADVISION, INC., a Delaware Corporation (“Sublandlord”), and BigBand Networks, Inc., a Delaware Corporation (“Subtenant”). 
 R E C I T A L S: 
 A. Sublandlord and Subtenant entered into that certain Sublease dated as November 30, 2005, for approximately 10,000 rentable square feet
(“Sublease Premises”) in a building located at 585 Broadway, Redwood City, CA 94063. (the “Premises”). The Premises and the Sublease Premises are more particularly described in the Sublease, a copy of which is attached hereto as
Exhibit “A”. 
 B. Sublandlord and Subtenant desire to modify the Sublease as set forth in this Amendment, which modifications
shall be deemed effective as of the date of this Amendment as indicated above. 
 NOW, THEREFORE, in consideration of the mutual covenants and agreements
herein contained, the parties hereto hereby amend the Sublease and agree as follows: 
 AGREEMENT 
 1. Defined Terms. All capitalized terms used and not otherwise defined in this Amendment, but defined in the Sublease, shall have the same meaning
in this Amendment as in the Sublease. 
 2. Modifications. Sublandlord and Subtenant hereby agree that the Sublease shall be modified
and/or supplemented as follows: 
  

	 	a)	Section B of the Recitals shall be supplemented by the addition of the following: “Effective as of November 1, 2006 the rentable square feet shall be increased by
approximately 8,259 rentable square feet as more particularly shown on the layout attached as Exhibit B hereto (“Additional Sublease Premises”). Except as set forth in this Amendment, all references to Sublease Premises in the Sublease
shall apply equally to Additional Sublease Premises. “ 

  

	 	b)	Section 4 (a)(i) shall be supplemented by the addition of the following: “Commencing on November 1, 2006 or the date Master Landlord’s consent is fully executed
for the Additional Sublease Premises (“ASP Commencement Date”) and continuing throughout the remainder of the Term of this Sublease, Subtenant shall pay an additional monthly rent (“Additional Rent”) for the Additional Sublease
Premises in the amount of $1.82 per rentable square foot per month on a Full Service basis as set forth in the following table: 

  

				
	 Period
	  	Additional Rent
	 ASP Commencement Date to 12/31/06
	  	$	0.00/month
	 01/1/07 to 11/30/07
	  	$	15,031.38/month.

 Upon execution of this Amendment, Subtenant shall pay to Sublandlord the January 1, 2007
monthly Additional Rent in the amount of Fifteen Thousand thirty One Dollars and 38/100’s ($15,031.38). Except as set forth in this section 2 b), all references to Rent in the Sublease shall apply equally to the Additional Rent. .”

  

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	 	c)	Section 5 shall be supplemented by the following: “Upon execution of this Amendment, Subtenant shall deposit with Sublandlord the sum of Fifteen Thousand Thirty One Dollars and
38/100’s ($15,031.38) as an additional security deposit (“Additional Security Deposit”). Except as set forth in this Amendment, all references to Security Deposit in the Sublease shall apply equally to the Additional Security
Deposit.” 

  

	 	d)	Section 7(a) shall be supplemented by the following: “Sublandlord shall deliver the Additional Sublease Premises in “AS-IS” condition with all building systems
in good working order and condition. Sublandlord shall not be responsible for any demise or construction. If demise or construction is required, Subtenant shall be solely responsible for the same and must obey all approval and restoration rights
stated in the Master Lease, unless agreed to otherwise by Master Landlord.” 

  

	 	e)	Section 8 shall be supplemented by the following: “Subtenant shall have access to the Additional Sublease Premises 24 hours a day, 7 days a week.”

  

	 	f)	Section 10 shall be supplemented by the following: “During the Term of the sublease of the Additional Sublease Premises, at no additional cost or expense, Subtenant shall
have the right to use all of the furniture, fixtures and equipment mutually agreed upon and identified on Exhibit C attached to this Amendment (“Additional Furnishings”); provided, however, that Subtenant may provide Sublandlord with a
written list identifying any Additional Furnishings that Subtenant does not want to remain on the Additional Sublease Premises no later than November 25, 2006, and Sublandlord shall remove the same from the Additional Sublease Premises within
five (5) days thereafter. Except as set forth in this Amendment, all references to Furniture shall apply equally to Additional Furnishings.”[Need to agree upon Inventory Exhibit] 

  

	 	g)	Section 16 (b) is supplemented by the following: “Subtenant shall have no option to terminate the Sublease of the Additional Sublease Premises. “

  

	 	h)	Section 19 is supplemented by the following: “Sublandlord and Subtenant hereby represent that they have not engaged with any other broker other than CB Richard Ellis,
Inc., and The Staubach Company with regard to the Additional Sublease Premises. Upon execution of this Amendment, Sublandlord shall be obligated to pay a brokerage commission to Subtenant’s broker equal to Seven Thousand Eight Hundred Dollars
($7800.00).. Fifty percent (50%) shall be due upon execution of the Amendment and fifty percent (50%) shall be due January 1, 2007.” 

  

	 	3.	Miscellaneous: 

  

	 	(a)	Effect of Amendments. Except to the extent the Sublease is modified by this Amendment, the remaining terms and provisions of the Sublease shall remain unmodified and in full
force and effect. In the event of conflict between the terms of the Sublease and the terms of this Amendment, the terms of this Amendment shall prevail. 

  

	 	(b)	Entire Agreement. This Amendment embodies the entire understanding between Sublandlord and Subtenant with respect to its subject matter and can be changed only by an
instrument in writing signed by the Sublandlord and Subtenant. 

  

	 	(c)	Counterparts. This Amendment may be executed in counterparts, each of which shall be deemed an original, but all of which, together, shall constitute one in the same
Amendment. 

  

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	 	(d)	Corporate and Partnership Authority. If Sublandlord and Subtenant are a corporation or partnership, or is comprised of either or both of them, each individual executing this
Amendment for the corporation or partnership represents that he or she is duly authorized to execute and deliver this Amendment for the corporation or partnership and that this Amendment is binding upon the corporation or partnership in accordance
with its terms. 

 IN WITNESS WHEREOF, the parties have executed this First Amendment as of the date and year first set forth
above. 
  

							
		 	“SUBLANDLORD”	 	BRODVISION INC, ., A Delaware Corporation
				
		 		 	By:	 	 /s/ Illegible

				
		 		 	Its:	 	  

				
		 		 	Date:	 	  

			
		 	“SUBTENANT”	 	BIGBAND NETWORKS, INC., A Delaware Corporation
				
		 		 	By:	 	 /s/ Fred Ball

		 		 		 	
				
		 		 	Its:	 	  

				
		 		 	Date:	 	  

  

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 CONSENT OF MASTER LANDLORD 
 The Board of Trustees of the Leland Stanford Junior University, the Master Landord under the Master Lease, hereby consents to the Amendment to the Sublease attached hereto, and all of the terms and conditions
contained therein. Master Landlord hereby recognizes and will honor the Subtenant’s rights under the Sublease in the event of any default of Tenant under the Master Lease or termination of the Master Lease. 
 The Master Landlord additionally consents to Subtenant’s demising plan attached hereto as Exhibit 1 (the “Demising Plan”) and Master Landlord further
acknowledges and agrees that Subtenant shall have no restoration obligations with respect to the Demising Plan. 
  

			
	By:	 	  

		
	Its:	 	  

		
	Date:	 	  

  

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 EXHIBIT – DEMISING PLAN 
  

	 	•	 	 3/4 height temporary sheetrock wall to block
entrance from Forum to Additional Sublease Premises (temporary wall to be secured in to closest wall studs); 

  

	 	•	 	Create opening in wall from Additional Sublease Premises to existing Sublease Premises; 

  

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 EXHIBIT A - SUBLEASE 
  

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 EXHIBIT C – ADDITIONAL FURNISHINGS 
  

 -8-Second Amendment to Sublease (585 Braodway, Redwood City, California)

 Exhibit 10.18C 
 SECOND AMENDMENT TO SUBLEASE 
 This SECOND AMENDMENT TO SUBLEASE (“2nd Amendment”) is made and entered into as of November 16, 2006 by and between BROADVISION, INC., a Delaware
Corporation (“Sublandlord”), and BigBand Networks, Inc., a Delaware Corporation (“Subtenant”). 
 R E
C I T A L S: 
 A. Sublandlord and Subtenant entered into that certain Sublease dated as
November 30, 2005, for approximately 10,000 rentable square feet and that certain First Amendment to the Sublease dated November 2, 2006 (the Sublease and the First Amendment are collectively referred to herein as the “Sublease”)
for approximately an additional 8,259 rentable square feet in a building located at 585 Broadway, Redwood City, CA 94063 (“collectively the “Sublease Premises”). The Premises and the Sublease Premises are more particularly described
in the Sublease and the First Amendment, copies of which are attached hereto as Exhibit “A”. 
 B. Sublandlord and Subtenant desire
to further modify the Sublease as set forth in this 2nd Amendment, which modifications shall be deemed effective as
of the date of this 2nd Amendment as indicated above. 
 NOW, THEREFORE, in consideration of the mutual covenants and agreements herein contained, the parties hereto hereby amend the Sublease and agree as follows: 
 AGREEMENT 
 1. Defined Terms. All capitalized terms used and not
otherwise defined in this 2nd Amendment, but defined in the Sublease, shall have the same meaning in this
2nd Amendment as in the Sublease. 
 2. Modifications. Sublandlord and Subtenant hereby agree that the Sublease shall be modified and/or supplemented as follows: 
  

	 	a)	Section B of the Recitals shall be supplemented by the addition of the following: “Effective as of November      , 2006 the rentable square feet
shall be increased by approximately 524 rentable square feet as more particularly shown on the layout attached as Exhibit B hereto (“Training Room”). Except as set forth in this Amendment, all references to Sublease Premises in the
Sublease shall apply equally to Training Room.” 

  

	 	b)	Section 4 (a)(i) shall be supplemented by the addition of the following: “Commencing on November      , 2006 or the date Master Landlord’s
consent is fully executed for the Training Room (“TR Commencement Date”) and continuing throughout the remainder of the Term of this Sublease, Subtenant shall pay an additional monthly rent (“TR Additional Rent”) for the Training
Room in the amount of $1.82 per rentable square foot per month on a Full Service basis, as set forth in the following table: 

  

				
	 Period
	  	Additional Rent
	 TR Commencement Date to 11/30/07
	  	$	953.68/month.

 Upon execution of this Amendment, Subtenant shall pay to Sublandlord the TR Additional Rent from
the TR Commencement Date thru December 31, 2006, with fractional month, if any, prorated by the number of effective days in the month. Except as set forth in this section 2 b), all references to Rent in the Sublease shall apply equally to the
TR Additional Rent. Beginning January 1, 2007, BroadVision shall add the TR Additional Rent to the Additional Rent set forth in the First Amendment to the Sublease for the Additional Sublease Premises and shall during calendar year 2007 invoice
Subtenant for a total of $15,985.06 per month for the combined premises denoted by the Additional Sublease Premises subleased under the First Amendment and the Training Room subleased pursuant to this 2nd Amendment.” 
  

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	 	c)	Section 7(a) shall be supplemented by the following: “Sublandlord shall deliver the Training Room in “AS-IS” condition with all building systems in good working
order and condition. Sublandlord shall continue to have access to the Training Room 24 hours a day, 7 days a week, as deemed necessary by Sublandlord, solely for the purpose of accessing network and power wiring. Sublandlord shall not be responsible
for any demise or construction. If demise or construction is required, Subtenant (i) shall be solely responsible for the same, and (ii) shall first obtain Sublandlord’s written permission to proceed with any demise or construction so
as not to disturb Sublandlord’s required access to the Training Room, and (iii) further shall obey all approval and restoration rights stated in the Master Lease, unless agreed to otherwise by Master Landlord.”

  

	 	d)	Section 8 shall be supplemented by the following: “Subtenant shall have access to the Training Room 24 hours a day, 7 days a week, solely for the purpose of accessing
network and power wiring.” 

  

	 	e)	Section 10 shall be supplemented by the following: “Sublandload provides no furniture in the Training Room.” 

  

	 	f)	Section 16 (b) is supplemented by the following: ‘“Subtenant shall have no option to terminate the Sublease of the Training Room. “

  

	 	g)	Section 19 is supplemented by the following: “Sublandlord and Subtenant hereby represent that they have not engaged with any broker for the sublease of the Training Room
and neither shall be liable to the other for brokerage fees.” 

  

	 	3.	Miscellaneous: 

  

	 	(a)	Effect of Amendments. Except to the extent the Sublease is modified by this 2nd Amendment, the remaining terms and provisions of the Sublease shall remain unmodified and in full force and effect. In the event of conflict between the terms of the Sublease and the terms of this
2nd Amendment, the terms of this 2nd Amendment shall prevail. 

  

	 	(b)	Entire Agreement. This 2nd Amendment
embodies the entire understanding between Sublandlord and Subtenant with respect to its subject matter and can be changed only by an instrument in writing signed by the Sublandlord and Subtenant, 

  

	 	(c)	Counterparts. This 2nd Amendment may be
executed in counterparts, each of which shall be deemed an original, but all of which, together, shall constitute one in the same 2nd Amendment. 

  

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	 	(d)	Corporate and Partnership Authority. If Sublandlord and Subtenant are a corporation or partnership, or is comprised of either or both of them, each individual executing this
2nd Amendment for the corporation or partnership represents that he or she is duly authorized to execute and deliver
this 2nd Amendment for the corporation or partnership and that this 2nd Amendment is binding upon the corporation or partnership in accordance with its terms. 

 IN WITNESS WHEREOF, the parties have executed this 2nd Amendment as of the date and year first set forth above. 
  

							
			
		 	“SUBLANDLORD”	 	BROADVISION, Inc., A Dejaware Corporation
				
		 		 	By:	 	 /s/ Illegible

				
		 		 	Its:	 	VP Finance
				
		 		 	Date:	 	11-20-2006
			
		 	“SUBTENANT”	 	BIGBAND NETWORKS, INC., A Delaware Corporation
				
		 		 	By:	 	 /s/ Robert Horton

		 		 		 	Robert Horton
				
		 		 	Its:	 	Vice President and General Counsel
				
		 		 	Date:	 	11-16-2006

  

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 CONSENT OF MASTER LANDLORD 
 The Board of Trustees of the Leland Stanford Junior University, the Master Landord under the Master Lease, hereby consents to the Second Amendment to the Sublease attached hereto, and all of the terms and conditions
contained therein. Master Landlord hereby recognizes and will honor the Subtenant’s rights under the Sublease in the event of any default of Tenant under the Master Lease or termination of the Master Lease. 
  

			
		
	 By:
	 	  

		
	 Its:
	 	  

		
	 Date:
	 	  

  

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 EXHIBIT A 
 SUBLEASE AND FIRST AMENDMENT TO SUBLEASE 
  

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 EXHIBIT B 
 TRAINING ROOM 
  

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