Exhibit 99.1

FIVE-YEAR SUMMARY

(In Thousands, Except for Per share Amounts and Footnote Data)

Year Ended December 31	2008			2007			2006			2005			2004
Results of Operations
Net sales	$	2,467,115		$	2,336,187		$	2,368,506		$	2,107,499		$	1,513,737
Costs and expenses		2,246,198			2,026,300			2,191,022			1,943,603			1,411,656
Operating profit		220,917			309,887			177,484			163,896			102,081
Interest and financing expenses		(38,175	)		(38,332	)		(43,964	)		(41,971	)		(17,350	)
Other income (expenses), net(a)		601			6,264			(134	)		1,513			(12,193	)
Income before income taxes, minority interests, equity in net income (losses) of unconsolidated investments and the cumulative effect of a change in accounting principle, net		183,343			277,819			133,386			123,438			72,538
Income tax expense (benefit)		(6,539	)		55,078			2,192			27,593			17,005
Income before minority interests, equity in net income (losses) of unconsolidated investments and cumulative effect of a change in accounting principle, net		189,882			222,741			131,194			95,845			55,533
Minority interests in income of consolidated subsidiaries (net of tax)		(18,806	)		(17,632	)		(13,258	)		(7,469	)		(5,101	)
Equity in net income (losses) of unconsolidated investments (net of tax)		23,126			24,581			25,033			26,491			4,407
Net income	$	194,202		$	229,690		$	142,969		$	114,867		$	54,839
Financial Position and Other Data
Total assets	$	2,872,717		$	2,841,018		$	2,530,368		$	2,555,618		$	2,442,745
Operations:
Working capital	$	740,556		$	650,521		$	477,905		$	451,746		$	373,664
Current ratio		2.69 to 1			2.57 to 1			1.99 to 1			2.07 to 1			2.00 to 1
Depreciation and amortization	$	111,685		$	106,855		$	112,950		$	117,435		$	97,268
Capital expenditures	$	99,736		$	98,740		$	99,847		$	70,080		$	57,652
Investments in joint ventures	$	103		$	—		$	96		$	2,500		$	9,913
Acquisitions, net of cash acquired	$	63,960		$	17,929		$	25,970		$	7,473		$	785,247
Research and development expenses	$	67,292		$	62,691		$	46,299		$	41,675		$	31,273
Gross profit as a % of net sales		24.6			26.6			23.3			20.1			19.7
Total long-term debt	$	932,264		$	723,938		$	732,590		$	833,453		$	944,631
Equity(b)	$	1,065,771		$	1,278,305		$	1,028,098		$	930,275		$	711,375
Total long-term debt as a % of total capitalization		46.7			36.2			41.6			47.3			57.0
Net debt as a % of total capitalization(c)		37.9			30.1			34.7			44.0			56.8
Common Stock
Basic earnings per share	$	2.13		$	2.41		$	1.51		$	1.24		$	0.66
Shares used to compute basic earnings per share(b)		91,338			95,254			94,624			92,696			83,134
Diluted earnings per share	$	2.10		$	2.36		$	1.47		$	1.20		$	0.64
Shares used to compute diluted earnings per share(b)		92,530			97,216			97,136			95,495			85,054
Cash dividends declared per share	$	0.48		$	0.42		$	0.345		$	0.31		$	0.2925
Shareholders’ equity per share(b)	$	11.71		$	13.49		$	10.84		$	9.95		$	8.49
Return on average shareholders’ equity		16.6	%		19.9	%		14.6	%		14.0	%		8.1	%

Footnotes:

^(a) Other income (expenses), net for 2004 includes foreign exchange hedging charges totaling $12.8 million ($8.2 million after income taxes) associated with contracts we entered into to hedge the euro-denominated purchase price for the July 31, 2004 acquisition of the refinery catalysts business from Akzo Nobel N.V.

^(b) Shareholders’ equity includes the purchase of common shares amounting to: 2008—4,662,700; 2007—2,369,810; 2006—1,130,890; 2005—0 and 2004—55,138.

^(c) We define net debt as total debt plus the portion of outstanding joint venture indebtedness guaranteed by us (or less the portion of outstanding joint venture indebtedness consolidated but not guaranteed by us), less cash and cash equivalents.

105