NOTE 26—COMMITMENTS

Non-cancellable operating leases commitments

The Group leases various buildings, machinery, and equipment under operating lease agreements. Total rent expense was €27 million for the year ended December 31, 2017 (€27 million for the year ended December 31, 2016 and €29 million for the year ended December 31, 2015).

The future aggregate minimum lease payments under non-cancellable operating leases are as follows:


*(in millions of Euros)*	At December 31, 2017		At December 31, 2016
Less than 1 year		19		17
1 to 5 years		49		40
More than 5 years		40		48

Total non-cancellable operating leases minimum payments		108		105

Capital expenditures commitments


*(in millions of Euros)*	At December 31, 2017		At December 31, 2016
Computer Software		2		3
Property, plant and equipment		99		85

Total capital expenditure commitments		101		88

As at December 31, 2017, the Company has no other significant commitments. Guarantee and commitments given to Constellium UACJ LLC are described in NOTE 17 – Investments accounted for under the equity method.