13 Leases

The Company leases various office space and laboratory space under the following operating lease agreements:

Lexington, Massachusetts / United States

In July 2013, uniQure entered into a lease for a facility in Lexington, Massachusetts, United States. The term of the lease commenced in November 2013 and was set for 10 years and is non-cancellable. The lease for this facility terminates in 2024, and subject to the provisions of the lease, may be renewed for two subsequent five-year terms. The lease provides for annual minimum increases in rent, based on a consumer price index.

Amsterdam / The Netherlands

In March 2016, the Company entered into a 16-year lease for a facility in Amsterdam, the Netherlands, and amended this agreement in June 2016. The Company consolidated its three Amsterdam sites into the new site at the end of May 2017. The lease for this facility terminates in 2032, with an option to extend in increments of five year periods. The lease contract provides for annual minimum increases in rent, based on a consumer price index.

As of September 30, 2017, aggregate minimum lease payments for the calendar years and lease incentives received were as follows:


	Lexington		Amsterdam		Total
	in thousands
2017 (three months remaining)	$	453	$	—	$	453
2018		1,849		1,963		3,812
2019		1,903		1,963		3,866
2020		1,956		1,963		3,919
2021 and beyond		6,899		21,595		28,494
Total minimum lease payments	$	13,060	$	27,484	$	40,544

Deferred rent related to lease incentives	$	5,739	$	3,814	$	9,553
Current portion		724		—		724

Rent expense is calculated on a straight-line basis over the term of the leases and considers the lease incentives received. Aggregate rent expense was as follows:


	Three months ended September 30,				Nine months ended September 30,
	2017		2016		2017		2016
	in thousands
Rent expense-Lexington	$	276	$	276	$	828	$	828
Rent expense-Amsterdam		555		782		2,080		2,089
Total rent expense	$	831	$	1,058	$	2,908	$	2,917