Property, Plant and Equipment Disclosure
Asset Age Ratios (Summary)
Average Age
Estimated Total Useful Life
Estimated Age, Time Elapsed Since Purchase
Estimated Remaining Life

Yahoo! Inc., balance sheet: property, plant and equipment

US$ in thousands

	Dec 31, 2016	Dec 31, 2015	Dec 31, 2014	Dec 31, 2013	Dec 31, 2012
Land	89,960)	215,740)	215,740)	213,838)	213,838)
Buildings	935,515)	840,083)	780,688)	697,874)	639,658)
Leasehold improvements	249,698)	252,985)	210,876)	279,052)	304,440)
Computers and equipment	1,901,619)	2,143,413)	1,839,033)	1,512,860)	2,040,381)
Capitalized software and labor	679,902)	643,758)	658,762)	766,368)	595,366)
Furniture and fixtures	74,526)	86,418)	74,992)	61,280)	75,559)
Assets not yet in use	15,505)	83,164)	125,555)	80,830)	81,979)
Property and equipment, gross	3,946,725)	4,265,561)	3,905,646)	3,612,102)	3,951,221)
Accumulated depreciation and amortization	(2,736,788)	(2,718,238)	(2,417,962)	(2,123,584)	(2,265,376)
Property and equipment, net	1,209,937)	1,547,323)	1,487,684)	1,488,518)	1,685,845)

Based on: 10-K (reporting date: 2016-12-31), 10-K (reporting date: 2015-12-31), 10-K (reporting date: 2014-12-31), 10-K (reporting date: 2013-12-31), 10-K (reporting date: 2012-12-31).

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Item	Description	The company
Property and equipment, gross	Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.	Yahoo! Inc. property and equipment, gross increased from 2014 to 2015 but then slightly decreased from 2015 to 2016 not reaching 2014 level.
Property and equipment, net	Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.	Yahoo! Inc. property and equipment, net increased from 2014 to 2015 but then decreased significantly from 2015 to 2016.

Yahoo! Inc., asset age ratios

	Dec 31, 2016	Dec 31, 2015	Dec 31, 2014	Dec 31, 2013	Dec 31, 2012
Average age ratio	70.96%	67.12%	65.53%	62.49%	60.61%
Estimated total useful life (years)	9	9	8	6	7
Estimated age, time elapsed since purchase (years)	7	6	5	4	4
Estimated remaining life (years)	3	3	3	2	3

Based on: 10-K (reporting date: 2016-12-31), 10-K (reporting date: 2015-12-31), 10-K (reporting date: 2014-12-31), 10-K (reporting date: 2013-12-31), 10-K (reporting date: 2012-12-31).

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Asset age ratio	Description	The company
Average age ratio	As long as straight-line depreciation is used, this is an accurate estimate of asset age as a percentage of depreciable life. The relative age is a useful measure of whether the company fixed asset base is old or new. Newer assets are likely to be more efficient.	Yahoo! Inc. average age ratio of depreciable property, plant and equipment deteriorated from 2014 to 2015 and from 2015 to 2016.
Estimated total useful life	Over longer time periods, this ratio is a useful measure of company depreciation policy and can be used for comparisons with competitors.	Yahoo! Inc. estimated total useful life of depreciable property, plant and equipment increased from 2014 to 2015 and from 2015 to 2016.
Estimated time elapsed since purchase	The approximate age in years of a company fixed assets. Useful for comparison purposes.	Yahoo! Inc. estimated time elapsed since purchase of depreciable property, plant and equipment deteriorated from 2014 to 2015 and from 2015 to 2016.
Estimated remaining life		Yahoo! Inc. estimated remaining life of depreciable property, plant and equipment increased from 2014 to 2015 but then slightly decreased from 2015 to 2016.

	Dec 31, 2016	Dec 31, 2015	Dec 31, 2014	Dec 31, 2013	Dec 31, 2012
Selected Financial Data (US$ in thousands)
Accumulated depreciation and amortization	2,736,788)	2,718,238)	2,417,962)	2,123,584)	2,265,376)
Property and equipment, gross	3,946,725)	4,265,561)	3,905,646)	3,612,102)	3,951,221)
Land	89,960)	215,740)	215,740)	213,838)	213,838)
Asset Age Ratio
Average age¹	70.96%	67.12%	65.53%	62.49%	60.61%

Based on: 10-K (reporting date: 2016-12-31), 10-K (reporting date: 2015-12-31), 10-K (reporting date: 2014-12-31), 10-K (reporting date: 2013-12-31), 10-K (reporting date: 2012-12-31).

2016 Calculations

¹ Average age = 100 × Accumulated depreciation and amortization ÷ (Property and equipment, gross – Land)
= 100 × 2,736,788 ÷ (3,946,725 – 89,960) = 70.96%

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Asset age ratio	Description	The company
Average age	As long as straight-line depreciation is used, this is an accurate estimate of asset age as a percentage of depreciable life. The relative age is a useful measure of whether the company fixed asset base is old or new. Newer assets are likely to be more efficient.	Yahoo! Inc. average age ratio of depreciable property, plant and equipment deteriorated from 2014 to 2015 and from 2015 to 2016.

	Dec 31, 2016	Dec 31, 2015	Dec 31, 2014	Dec 31, 2013	Dec 31, 2012
Selected Financial Data (US$ in thousands)
Property and equipment, gross	3,946,725)	4,265,561)	3,905,646)	3,612,102)	3,951,221)
Land	89,960)	215,740)	215,740)	213,838)	213,838)
Depreciation expense	407,341)	472,894)	475,031)	532,485)	549,235)
Asset Age Ratio (Years)
Estimated total useful life¹	9	9	8	6	7

Based on: 10-K (reporting date: 2016-12-31), 10-K (reporting date: 2015-12-31), 10-K (reporting date: 2014-12-31), 10-K (reporting date: 2013-12-31), 10-K (reporting date: 2012-12-31).

2016 Calculations

¹ Estimated total useful life = (Property and equipment, gross – Land) ÷ Depreciation expense
= (3,946,725 – 89,960) ÷ 407,341 = 9

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Asset age ratio	Description	The company
Estimated total useful life	Over longer time periods, this ratio is a useful measure of company depreciation policy and can be used for comparisons with competitors.	Yahoo! Inc. estimated total useful life of depreciable property, plant and equipment increased from 2014 to 2015 and from 2015 to 2016.

	Dec 31, 2016	Dec 31, 2015	Dec 31, 2014	Dec 31, 2013	Dec 31, 2012
Selected Financial Data (US$ in thousands)
Accumulated depreciation and amortization	2,736,788)	2,718,238)	2,417,962)	2,123,584)	2,265,376)
Depreciation expense	407,341)	472,894)	475,031)	532,485)	549,235)
Asset Age Ratio (Years)
Time elapsed since purchase¹	7	6	5	4	4

Based on: 10-K (reporting date: 2016-12-31), 10-K (reporting date: 2015-12-31), 10-K (reporting date: 2014-12-31), 10-K (reporting date: 2013-12-31), 10-K (reporting date: 2012-12-31).

2016 Calculations

¹ Time elapsed since purchase = Accumulated depreciation and amortization ÷ Depreciation expense
= 2,736,788 ÷ 407,341 = 7

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Asset age ratio	Description	The company
Estimated time elapsed since purchase	The approximate age in years of a company fixed assets. Useful for comparison purposes.	Yahoo! Inc. estimated time elapsed since purchase of depreciable property, plant and equipment deteriorated from 2014 to 2015 and from 2015 to 2016.

	Dec 31, 2016	Dec 31, 2015	Dec 31, 2014	Dec 31, 2013	Dec 31, 2012
Selected Financial Data (US$ in thousands)
Property and equipment, net	1,209,937)	1,547,323)	1,487,684)	1,488,518)	1,685,845)
Land	89,960)	215,740)	215,740)	213,838)	213,838)
Depreciation expense	407,341)	472,894)	475,031)	532,485)	549,235)
Asset Age Ratio (Years)
Estimated remaining life¹	3	3	3	2	3

Based on: 10-K (reporting date: 2016-12-31), 10-K (reporting date: 2015-12-31), 10-K (reporting date: 2014-12-31), 10-K (reporting date: 2013-12-31), 10-K (reporting date: 2012-12-31).

2016 Calculations

¹ Estimated remaining life = (Property and equipment, net – Land) ÷ Depreciation expense
= (1,209,937 – 89,960) ÷ 407,341 = 3

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Asset age ratio	Description	The company
Estimated remaining life		Yahoo! Inc. estimated remaining life of depreciable property, plant and equipment increased from 2014 to 2015 but then slightly decreased from 2015 to 2016.

Yahoo! Inc. (NASDAQ:YHOO)

Analysis of Property, Plant and Equipment

Property, Plant and Equipment Disclosure

Asset Age Ratios (Summary)

Average Age

Estimated Total Useful Life

Estimated Age, Time Elapsed since Purchase

Estimated Remaining Life