Accumulated other comprehensive income (loss) - Changes in accumulated other comprehensive income (loss) attributable to NL stockholders for 2012, 2013 and 2014 are presented in the table below.

	Years ended December 31,
	2012			2013			2014
	(In thousands)
Accumulated other comprehensive income (loss), net of tax:
Marketable securities:
Balance at beginning of year	$	186,451		$	105,419		$	154,169
Other comprehensive income (loss):
Unrealized gain (loss) arising during the year		(71,184	)		48,514			(107,057	)
Less reclassification adjustment for amounts included
in realized gain		(9,848	)		236			-

Balance at end of year	$	105,419		$	154,169		$	47,112

Currency translation:
Balance at beginning of year	$	(133,041	)	$	(135,165	)	$	(133,816	)
Other comprehensive income (loss):
Arising during the year		6,605			1,349			(20,357	)
Less reclassification adjustment for amounts included
in gain on disposal		(8,729	)		-			-

Balance at end of year	$	(135,165	)	$	(133,816	)	$	(154,173	)

Defined benefit pension plans:
Balance at beginning of year	$	(59,478	)	$	(66,402	)	$	(56,644	)
Other comprehensive income (loss):
Amortization of prior service cost and net losses
included in net periodic pension cost		2,254			2,776			2,107
Net actuarial gain (loss) arising during the year		(9,178	)		5,952			(20,723	)
Plan curtailment		-			1,030			-

Balance at end of year	$	(66,402	)	$	(56,644	)	$	(75,260	)

OPEB plans:
Balance at beginning of year	$	1,344		$	895		$	1,275
Other comprehensive income (loss):
Amortization of prior service credit and net losses
included in net periodic OPEB cost		(552	)		(663	)		(626	)
Net actuarial gain arising during year		103			395			(367	)
Plan amendment		-			648			-

Balance at end of year	$	895		$	1,275		$	282

Total accumulated other comprehensive income (loss), net of tax:
Balance at beginning of year	$	(4,724	)	$	(95,253	)	$	(35,016	)
Other comprehensive income (loss)		(90,529	)		60,237			(147,023	)

Balance at end of year	$	(95,253	)	$	(35,016	)	$	(182,039	)