PURDUE TECHNOLOGY CENTER WEST LAFAYETTE, IN 47906 EXTENSION OF LEASE

Exhibit 10.9

PURDUE TECHNOLOGY CENTER

0000 XXXX XXXXXX

XXXX XXXXXXXXX, XX 00000

EXTENSION OF LEASE

THIS EXTENSION OF LEASE is made this 3rd day of January, 2012, by and between PURDUE RESEARCH FOUNDATION (“Landlord”), an Indiana corporation (formed and existing under the Indiana Foundation or Holding Companies Act, Acts of 1921, ch. 246), and ENDOCYTE (“Tenant”). Landlord and Tenant have previously entered into a lease (the “Lease”) dated March 1, 2010, for space at the Purdue Technology Center, located at 0000 Xxxx Xxxxxx, Xxxx Xxxxxxxxx, Xxxxxxx.

In consideration of mutual benefits to be derived by the parties, it is agreed that the Lease Term provided under the Lease is hereby extended for a period of twelve (12) months, commencing January 1, 2012, and expiring December 31, 2012 (the “Extension Period”). All other terms and conditions of the Lease shall be applicable to such Extension Period(s), except as follows:

1. The Monthly Rent Installment shall be $28,034.56 ($17.45 x 9,724 square feet and $32.80 x 4,759 square feet / 12 months, plus $886.31 for workstations) and shall remain in effect during the Extension Period unless otherwise altered under the provisions of Section 4 of the Lease.

2. The Rent shall be $336,414.72 ($28,034.56 x 12 months) and shall remain in effect during the Extension Period unless otherwise altered under the provisions of Section 4 of the Lease.

It is further agreed that all other terms and conditions of the Lease are hereby affirmed and shall remain in full force and effect during the Extension Period.

WITNESS the signatures and seals of the above parties as of the day and year first above written.

LANDLORD:		PURDUE RESEARCH FOUNDATION
		an Indiana corporation (formed and existing under the Indiana Foundation or Holding Companies Act, Acts of 1921, ch. 246)
		By:		/s/ Xxxxxxx X. Xxxxxx
				Xxxxxxx X. Xxxxxx
				Vice President, Real Estate and
				Research Park Development

ATTEST:
By:		/s/ Xxxxxxx X. Xxxxxxx
		Xxxxxxx X. Xxxxxxx
		Director, Purdue Technology Centers

TENANT:		ENDOCYTE
		By:		/s/ P, Xxx Xxxxx
				P. Xxx Xxxxx
				Chief Executive Officer
		By:		/s/ Xxxx Xxxxxxx
				Xxxx Xxxxxxx
				Chief Financial Officer
		Date:		December 8, 2011