Year Ended December 31,
Year Ended December 31,
Year Ended December 31,
Year Ended December 31,
Year Ended December 31,
2019
2018
2017
2016
2015
Income Statement Data:
(in thousands of U.S. Dollars)
Reconciliation of EBITDA and Adjusted EBITDA to Net (loss) income
Net (loss) income
$(148,986)
$(57,747)
$(529,072)
$86,664
$405,460
Income tax expense (recovery)
25,482
19,724
12,232
24,468
(16,767)
Depreciation and amortization
290,672
276,307
485,829
571,825
509,500
Interest expense, net of interest income
271,255
245,601
262,110
278,145
236,481
EBITDA
438,423
483,885
231,099
961,102
1,134,674
Foreign exchange loss (gain) (a)
13,574
(6,140)
26,463
6,548
2,195
Other loss (income) (b) (c)
14,475
2,013
53,981
39,013
(1,566)
Write-down and loss on sale of vessels
170,310
53,693
270,743
112,246
70,175
Direct finance lease payments received in excess of revenue recognized
21,636
11,082
18,737
28,348
24,429
Amortization of in-process revenue contracts and other
(4,131)
(10,217)
(13,460)
(24,195)
(33,226)
Realized and unrealized losses on non-designated derivative instruments
13,719
14,852
38,854
35,091
102,200
Realized gains (losses) from the settlements of nondesignated derivative instruments
1,532
—
2,047
(8,646)
(20,008)
Loss on deconsolidation of Altera
—
7,070
104,788
—
—
Adjustments related to equity (loss) income (d)
282,375
219,395
217,866
137,496
136,921
Adjusted EBITDA
951,913
775,633
951,118
1,287,003
1,415,794
the following table reconciles our historical consolidated ebitda and adjusted ebitda to net -loss income .
-a foreign currency exchange loss -gain includes the unrealized loss of $ 13 .
2 million in 2019 -2018 – gain of $ 21 .
2 million 2017 – gain of $ 82 .
7 million 2016 – gain of $ 75 .
0 million and 2015 – loss of $ 89 .
2 million on cross currency swaps .
-b in june 2016 as part of its financing initiatives altera canceled the construction contracts for its two ums newbuildings .
as a result altera accrued for potential damages resulting from the cancellations and reversed contingent liabilities previously recorded that were relating to the delivery of the ums newbuildings .
this net loss provision of $ 23 .
4 million for the year ended december 31 2016 was reported in other loss in our consolidated statement of income .
the newbuilding contracts were held in altera ' s separate subsidiaries and obligations of these subsidiaries were non-recourse to altera .
-c during the year ended december 31 2016 the company recorded a write-down of a cost-accounted investment of $ 19 .
0 million .
this investment was subsequently sold in 2017 resulting in a gain on sale of $ 1 .
3 million .
during 2017 the company recognized an additional tax indemnification guarantee liability of $ 50 million related to the teekay nakilat finance leases .
for additional information please read " item 18 – financial statements : note 15 – other loss " .
-d adjustments related to equity -loss income is a non-gaap financial measure and should not be considered as an alternative to equity income or any other measure of financial performance or liquidity presented in accordance with gaap .
adjustments related to equity -loss income exclude some but not all items that affect equity -loss income and these measures may vary among other companies .
therefore adjustments related to equity -loss income as presented in this annual report may not be comparable to similarly titled measures of other companies .
adjustments related to equity -loss income includes depreciation and amortization net interest expense income tax expense -recovery amortization of in-process revenue contracts direct finance and salestype lease payments received in excess of revenue recognized write-down and loss -gain on sales of vessels realized and unrealized loss -gain on derivative instruments and other items realized loss -gain on foreign currency forward contracts .
and write-down and gain on sale of equity-accounted investments in each case related to our equity-accounted entities on the basis of our ownership percentages of such entities .

Question: When did Altera canceled the construction contracts for its two UMS newbuildings?
Answer: June 2016