Property, vessels and equipment at December 31, 2018 and 2017 are summarized as follows:

	2018
	Net balances at year start		Additions		Disposals			Transfers and others				Depreciation / loss from revaluation		Net balances at year end		Estimated useful lives (years)

Vessels	$	1,118,250	$	260	$	125,019	(c)	$	(162,962	)	(a) and (e)	$	47,856	$	782,673	25
Shipyard		318		-		-			-				43		275	40
Major vessel maintenance		12,608		38,142		-			4,064				13,203		41,611	2.5
Buildings and facilities		242,204		5,732		-			604				9,639		238,901	20 y 25
Warehousing equipment		647		-		9			-				383		255	10
Computer equipment		556		459		-			47				481		581	3 y 4
Terminal equipment		6,885		2,252		-			(125	)			1,622		7,390	10
Ground transportation equipment		3,751		2,052		1,153			1,940				1,224		5,366	4,5 y 10
Other equipment		7,641		361		-			313				1,236		7,079
		1,392,860		49,258		126,181			(156,119	)			75,687		1,084,131
Land		1,184,427		-		45,295	(d)		7,120				-		1,146,252
Construction in progress		46,248		37,025		-			(219	)			-		83,054
	$	2,623,535	$	86,283	$	171,476		$	(149,218	)		$	75,687	$	2,313,437

	2017
	Net balances at year start		Additions		Disposals		Transfers and others				Depreciation /loss from revaluation			Net balances at year end		Estimated useful lives (years)

Vessels	$	8,028,276	$	99	$	2,113	$	(6,424,674	)	(a)	$	483,338	(b)	$	1,118,250	25
Shipyard		363		-		-		-				45			318	40
Major vessel maintenance		4,457		62,172		-		(1,266	)			52,755			12,608	2.5
Buildings and facilities		253,396		-		-		-				11,192			242,204	20and 25
Warehousing equipment		1,242		-		-		-				595			647	10
Computer equipment		794		272		-		-				510			556	3 and 4
Terminal equipment		3,319		425		-		4,118				977			6,885	10
Ground transportation equipment		4,203		508		-		1,247				2,207			3,751	4.5 and 10
Other equipment		9,556		226		-		(67	)			2,074			7,641
		8,305,606		63,702		2,113		(6,420,642	)			553,693			1,392,860
Land		1,060,661		-		41		148,807				25,000			1,184,427
Construction in progress		198,605		16,520		13,127		(155,750	)			-			46,248
	$	9,564,872	$	80,222	$	15,281	$	(6,427,585	)		$	578,693		$	2,623,535

All the amounts for depreciation and for loss from revaluation are included as part of the depreciation, amortization and loss from revaluation on the consolidated statements of profit or loss.

The accumulated depreciation on property, vessels and equipment at December 31, 2018 and 2017 is $365,264 and $313,926, respectively. The decrease is basically due to the recognition of the fair value of the vessels; therefore, its accumulated depreciation was cancelled.

(a)

In 2018 is comprised primarily for revaluation surplus by $161,411. In 2017 is comprised primarily for revaluation surplus by $941,957 net of reduction for deconsolidation of TMM DM in a total of $7,445,415.

(b)

In 2017 includes $56,213 loss from revaluation of two vessels.

(c)

On May 7, 2018, was formalized the sale of the chemical tanker Maya to Yangzijiang Express Shipping PTE. LTD, by TMM Parcel Tankers, S.A. de C.V., subsidiary of Grupo TMM.

(d)

The sale agreement of the land located in Santiago Tlaltepoxco in the Municipality of Huehuetoca, State of Mexico, between Comercializadora Columbia, S.A. de C.V. and Inmobiliaria TMM, S.A. de C.V., a subsidiary of Grupo TMM, was entered into on March 27, 2018.

(e)

At 2018 year end, the supply vessel ‘Subsea 88’ suffered a major mishap in one of its areas and for which it stopped operating. As at December 31, 2018, Grupo TMM was making the corresponding insurance claims without a final settlement having been issued on the mishap as of that date. Since the repair of the ship requires a substantial time that affects future cash flows, Management recognized a loss in fair value in the amount of $206,076. As at the issue date of the consolidated financial statements, the final opinion has not been issued by the insurance company.