Long-term incentive compensation plan – We have a long-term incentive plan that provides for the award of stock to our board of directors, and up to a maximum of 200,000 shares can be awarded. We awarded 14,000 shares under this plan in 2016, 9,000 shares in 2017 and 12,600 shares in 2018. At December 31, 2018, 141,400 shares were available for future grants under this plan.

Long-term incentive compensation plan of subsidiaries and affiliates - CompX and Kronos each have a share based incentive compensation plan pursuant to which an aggregate of up to 200,000 shares of their common stock can be awarded to members of their board of directors. At December 31, 2018, Kronos had 149,900 shares available for award and CompX had 156,550 shares available for award.

Dividends – Prior to 2016, after considering our results of operations, financial conditions and cash requirements for our businesses, our Board of Directors suspended our regular quarterly dividend. The declaration and payment of future dividends, and the amount thereof, is discretionary and is dependent upon these and other factors deemed relevant by our Board of Directors.

Accumulated other comprehensive income (loss) - Changes in accumulated other comprehensive income (loss) attributable to NL stockholders, including amounts resulting from our investment in Kronos Worldwide (see Note 6), are presented in the table below.

	Years ended December 31,
	2016			2017			2018
	(in thousands)
Accumulated other comprehensive income (loss), net of tax:
Marketable securities:
Balance at beginning of year	$	195		$	20,473		$	46,069
Change in accounting principle		-			-			(46,069	)
Balance at beginning of year, as adjusted		195			20,473			-
Other comprehensive income (loss):
Unrealized gain (loss) arising during the year		20,278			25,596			-
Less reclassification adjustment for amounts included
in realized loss		-			-			-

Balance at end of year	$	20,473		$	46,069		$	-

Currency translation:
Balance at beginning of year	$	(172,384	)	$	(175,859	)	$	(164,467	)
Other comprehensive income (loss):
Arising during the year		(3,475	)		11,392			(7,967	)

Balance at end of year	$	(175,859	)	$	(164,467	)	$	(172,434	)

Interest rate swap:
Balance at beginning of year	$	(445	)	$	(390	)	$	-
Other comprehensive income (loss):
Unrealized losses arising during the year		(393	)		(296	)		-
Reclassification adjustments for amounts included in equity in earnings of Kronos		448			686			-

Balance at end of year	$	(390	)	$	-		$	-

Defined benefit pension plans:
Balance at beginning of year	$	(72,712	)	$	(76,710	)	$	(72,951	)
Other comprehensive income (loss):
Amortization of prior service cost and net losses
included in net periodic pension cost		2,655			2,956			(2,335	)
Net actuarial gain (loss) arising during the year		(6,653	)		803			-

Balance at end of year	$	(76,710	)	$	(72,951	)	$	(75,286	)

Other:
Balance at beginning of year	$	(12	)	$	(360	)	$	(388	)
Other comprehensive income (loss):
Net change in balance during year		(348	)		(28	)		(162	)

Balance at end of year	$	(360	)	$	(388	)	$	(550	)

Total accumulated other comprehensive income (loss), net of tax:
Balance at beginning of year	$	(245,358	)	$	(232,846	)	$	(191,737	)
Change in accounting principle		-			-			(46,069	)
Balance at beginning of year, as adjusted		(245,358	)		(232,846	)		(237,806	)
Other comprehensive income (loss)		12,512			41,109			(10,464	)

Balance at end of year	$	(232,846	)	$	(191,737	)	$	(248,270	)