Changes in accumulated other comprehensive loss attributable to NL stockholders for the three and six months ended June 30, 2013 and 2014 are presented in the table below.

	Three months ended June 30,						Six months ended June 30,
	2013			2014			2013			2014
	(In thousands)
Accumulated other comprehensive loss, net of tax:
Marketable securities:
Balance at beginning of period	$	139,320		$	70,238		$	105,419		$	154,169
Other comprehensive income (loss) -
unrealized gains (losses) arising during
the year		(22,075	)		(22,933	)		11,826			(106,864	)

Balance at end of period	$	117,245		$	47,305		$	117,245		$	47,305

Currency translation:
Balance at beginning of period	$	(140,555	)	$	(134,330	)	$	(135,165	)	$	(133,816	)
Other comprehensive income (loss)		1,116			(860	)		(4,274	)		(1,374	)

Balance at end of period	$	(139,439	)	$	(135,190	)	$	(139,439	)	$	(135,190	)

Defined benefit pension plans:
Balance at beginning of period	$	(65,703	)	$	(56,107	)	$	(66,402	)	$	(56,644	)
Other comprehensive income -
amortization of net losses included in
net periodic pension cost		687			518			1,386			1,055

Balance at end of period	$	(65,016	)	$	(55,589	)	$	(65,016	)	$	(55,589	)

OPEB plans:
Balance at beginning of period	$	751		$	1,118		$	895		$	1,275
Other comprehensive loss - amortization
of prior service credit and net gains
included in net periodic OPEB cost		(144	)		(156	)		(288	)		(313	)

Balance at end of period	$	607		$	962		$	607		$	962

Total accumulated other comprehensive loss:
Balance at beginning of period	$	(66,187	)	$	(119,081	)	$	(95,253	)	$	(35,016	)
Other comprehensive income (loss)		(20,416	)		(23,431	)		8,650			(107,496	)

Balance at end of period	$	(86,603	)	$	(142,512	)	$	(86,603	)	$	(142,512	)