29th Addendum to the BioCentiv – 4-Antibody Lease Agreement from 08/09/2013

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BioCentiv [logo]

29th Addendum
to Lease Agreement No. 01/2003
from 12/01/2002

BioCentiv GmbH        (Lessor)
and             4-Antibody AG        (Lessee)

amend the above-mentioned Lease Agreement per 09/01/2013 as follows:

Section 4 Rent, other payments

(1) b    The prepaid incidental expenses from September to December 2013 are set
to €7,959.93.

The prepaid incidental expenses starting January 2014 are set to €6,279.98.

Starting 09/01/2013–12/31/2013, the total monthly rent is as follows:

Subtotal rent, net

€8,891.11

Center’s flat charge, net

€859.20

Prepaid incidental expenses

€7,959.93

Total rent, net

€17,710.24

19% VAT

€3,364.95

Total rent, gross

€21,075.19

Starting 01/01/2014, the total monthly rent is as follows:

Subtotal rent, net

€8,891.11

Center’s flat charge, net

€859.20

Prepaid incidental expenses

€6,279.98

Total rent, net

€16,030.29

19% VAT

€3,045.76

Total rent, gross

€19,076.05

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29th Addendum to the BioCentiv – 4-Antibody Lease Agreement from 08/09/2013

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BioCentiv [logo]

All other provisions of the Lease Agreement remain in effect.

Jena, 08/09/2013

BioCentiv GmbH
4-Antibody AG
Germany Branch

[signature]
Dr. Klaus Ullrich
Director
[signature]
Dr. Robert Burns
Director
[signature]
Dr. Luis Martin-Parras
Authorized Agent

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