Exhibit 10.15

 

Amendment to Commercial Lease No. 8 dated 09/29/2010

Subject: Adjustment of the monthly advance payment for operating costs (advance service charge)

 

Between                                                 IM Immobilien GbR
  Gaisbergstr.21
  94469 Deggendorf, Germany, tax payer’s reference no. 108/232/10529
 - hereinafter called “Landlord”

 

and                                                                           congatec AG
  Auwiesenstr. 5
 94469 Deggendorf, Germany, tax payer’s reference no.108/120/10005
 - hereinafter called “Tenant”

 

the following agreement is made:

 

According to Art. 5 of the Commercial Lease, the advance service charge is hereby adjusted to the actual operating costs.

 

The advance payments will be increased to 2.50 € per m2 from 09/01/2012.

 

Schedule 1 contains the calculation of the rent from 09/01/2012.

 

Apart from that, the provisions of Commercial Lease No. 8 dated 09/29/2010 shall apply.

 

Deggendorf, 8/6/2012

 

	
/s/ Heinz Iglhaut
    	
 
    	
/s/ Gerhard Edi
    
	
 
    	
 
    	
 
    
	
IM Immobilien GbR
    	
 
    	
congatec AG
    
	
 
    	
 
    	
 
    
	
Landlord – Heinz Iglhaut
    	
 
    	
Tenant – Gerhard Edi
    


 











 

Schedule 1 to the Amendment to Commercial Lease No. 8
 Subject: Increase in advance service charge

 

Rent and operating costs from 9/1/2012

The m2 information includes proportional bathroom space.

 

	
 
    	
 
    	
m2
    	
 
    	
€
    	
 
    	
€
    	
 
    	
€
    	
 
    
	
First floor   conference room
    	
 
    	
39.17
    	
 
    	
 
    	
 
    	
 
    	
 
    	
 
    	
 
    
	
First floor big   office
    	
 
    	
224.15
    	
 
    	
 
    	
 
    	
 
    	
 
    	
 
    	
 
    
	
First floor   canteen
    	
 
    	
71.05
    	
 
    	
 
    	
 
    	
 
    	
 
    	
 
    	
 
    
	
2. floor big   office
    	
 
    	
175.22
    	
 
    	
 
    	
 
    	
 
    	
 
    	
 
    	
 
    
	
Rent
    	
 
    	
509.59
    	
 
    	
5.90
    	
 
    	
3,006.58
    	
 
    	
 
    	
 
    
	
Attic story lump   sum
    	
 
    	
 
    	
 
    	
 
    	
 
    	
600.00
    	
 
    	
 
    	
 
    
	
Monthly rental   payment
    	
 
    	
 
    	
 
    	
 
    	
 
    	
 
    	
 
    	
3,606.58
    	
 
    
	
Operating costs
    	
 
    	
509.59
    	
 
    	
2.50
    	
 
    	
1,273.98
    	
 
    	
 
    	
 
    
	
Operating costs   attic story: for determining the operating costs, 50 % of the space shall be   appropriated
    	
 
    	
176
    	
 
    	
2.50
    	
 
    	
440.00
    	
 
    	
 
    	
 
    
	
Monthly advance   service charge
    	
 
    	
 
    	
 
    	
 
    	
 
    	
 
    	
 
    	
1,713.98
    	
 
    
	
Net rent and   operating costs
    	
 
    	
 
    	
 
    	
 
    	
 
    	
 
    	
 
    	
5,320.56
    	
 
    
	
Plus. 19 % VAT
    	
 
    	
 
    	
 
    	
 
    	
 
    	
 
    	
 
    	
1,010.91
    	
 
    
	
Gross rent +   operating costs
    	
 
    	
 
    	
 
    	
 
    	
 
    	
 
    	
 
    	
6,331.46
    	
 
    


 

Deggendorf, 8/6/2012

 

	
/s/ Heinz Iglhaut
    	
 
    	
/s/ Gerhard Edi
    
	
 
    	
 
    	
 
    
	
IM Immobilien GbR
    	
 
    	
congatec AG
    
	
 
    	
 
    	
 
    
	
Landlord – Heinz Iglhaut
    	
 
    	
Tenant – Gerhard Edi