LANXESS Solutions US (CEMJQ) 8-K Other Events

Exhibit 99.1

CHEMTURA CORPORATION

Appendix

Index of Historical Segment Information

GAAP and Non-GAAP Financial Information

	Page
Segment Sales and Operating Profit (Loss) (unaudited)
Three months ended March 31, 2007	1
Year ended December 31, 2006	2
Three months ended December 31, 2006	3
Three months ended September 30, 2006	4
Three months ended June 30, 2006	5
Three months ended March 31, 2006	6

CHEMTURA CORPORATION

Non-GAAP Segment Sales and Operating Profit (Unaudited)

Three months ended March 31, 2007

(In thousands of dollars)

	Three Months Ended March 31, 2007
				Non-GAAP
	GAAP			Adjustments	Non-GAAP
SALES
Polymer Additives	$	443,738		—	443,738
Performance Specialties	210,942			—	210,942
Consumer Products	115,974			—	115,974
Crop Protection	80,518			—	80,518
Other	103,833			—	103,833
	955,005			—	955,005
OPERATING PROFIT
Polymer Additives	$	31,136		181	31,317
Performance Specialties	34,411			10	34,421
Consumer Products	830			—	830
Crop Protection	20,693			10	20,703
Other	3,829			3,140	6,969
	90,899			3,341	94,240
General corporate expense	(56,849		)	13,773	(43,076	)
Facility closures, severance and related costs	(2,558		)	2,558	—
Antitrust costs	(12,294		)	12,294	—
Merger costs	(351		)	351	—
Total operating profit	$	18,847		32,317	51,164

	Operating
	Profit
Non-GAAP adjustments consist of the following:
Change in useful life of property, plant and equipment	$	13,773
Accelerated recognition of asset retirement obligation	3,341
Facility closures, severance and related costs	2,558
Antitrust costs	12,294
Merger costs	351
	$	32,317

1

CHEMTURA CORPORATION

Non-GAAP Segment Sales and Operating Profit (Unaudited)

Year ended December 31, 2006

(In thousands of dollars)

	Year Ended December 31, 2006
				Non-GAAP
	GAAP			Adjustments		Non-GAAP
SALES
Polymer Additives	$	1,711,513		—		1,711,513
Performance Specialties	670,192			—		670,192
Consumer Products	565,699			—		565,699
Crop Protection	310,724			—		310,724
Other	464,579			—		464,579
	3,722,707			—		3,722,707
OPERATING PROFIT
Polymer Additives	$	130,261		4,584		134,845
Performance Specialties	115,171			—		115,171
Consumer Products	70,481			—		70,481
Crop Protection	48,114			—		48,114
Other	12,683			3,895		16,578
	376,710			8,479		385,189
General corporate expense	(138,078		)	13,778		(124,300	)
Facility closures, severance and related costs	(5,482		)	5,482		—
Antitrust costs	(89,534		)	89,534		—
Merger costs	(17,010		)	17,010		—
Income related to sale of Gustafson joint venture	1,500			(1,500	)	—
Gain on sale of businesses, net	(12,283		)	12,283		—
Impairment of long-lived assets	(80,263		)	80,263		—
Total operating profit	$	35,560		225,329		260,889

	Operating
	Profit
Non-GAAP adjustments consist of the following:
Change in useful life of property, plant and equipment	$	17,780
Favorable settlement of contractual matter	(4,300		)
Accelerated recognition of asset retirement obligation	8,777
Facility closures, severance and related costs	5,482
Antitrust costs	89,534
Merger costs	17,010
Income related to sale of Gustafson joint venture	(1,500		)
Gain on sale of businesses, net	12,283
Impairment of long-lived assets	80,263
	$	225,329

2

CHEMTURA CORPORATION

Non-GAAP Segment Sales and Operating (Loss) Profit (Unaudited)

Three months ended December 31, 2006

(In thousands of dollars)

	Three Months Ended December 31, 2006
				Non-GAAP
	GAAP			Adjustments		Non-GAAP
SALES
Polymer Additives	$	418,623		—		418,623
Performance Specialties	161,442			—		161,442
Consumer Products	115,406			—		115,406
Crop Protection	71,655			—		71,655
Other	106,486			—		106,486
	873,612			—		873,612
OPERATING PROFIT
Polymer Additives	$	17,600		4,584		22,184
Performance Specialties	26,587			—		26,587
Consumer Products	6,682			—		6,682
Crop Protection	4,596			—		4,596
Other	(1,450		)	3,895		2,445
	54,015			8,479		62,494
General corporate expense	(42,404		)	9,418		(32,986	)
Facility closures, severance and related costs	(7,395		)	7,395		—
Antitrust costs	(18,782		)	18,782		—
Merger costs	(1,118		)	1,118		—
Gain on sale of businesses, net	79			(79	)	—
Total operating (loss) profit	$	(15,605	)	45,113		29,508

	Operating
	Profit
Non-GAAP adjustments consist of the following:
Change in useful life of property, plant and equipment	$	9,120
Accelerated recognition of asset retirement obligation	8,777
Facility closures, severance and related costs	7,395
Antitrust costs	18,782
Merger costs	1,118
Gain on sale of businesses, net	(79		)
	$	45,113

3

CHEMTURA CORPORATION

Non-GAAP Segment Sales and Operating (Loss) Profit (Unaudited)

Three months ended September 30, 2006

(In thousands of dollars)

	Three Months Ended September 30, 2006
				Non-GAAP
	GAAP			Adjustments		Non-GAAP
SALES
Polymer Additives	$	430,730		—		430,730
Performance Specialties	165,890			—		165,890
Consumer Products	132,686			—		132,686
Crop Protection	74,737			—		74,737
Other	112,968			—		112,968
	917,011			—		917,011
OPERATING PROFIT (Loss)
Polymer Additives	$	24,084		—		24,084
Performance Specialties	29,997			—		29,997
Consumer Products	17,079			—		17,079
Crop Protection	7,092			—		7,092
Other	3,220			—		3,220
	81,472			—		81,472
General corporate expense	(32,670		)	2,890		(29,780	)
Facility closures, severance and related costs	(863		)	863		—
Antitrust costs	(25,669		)	25,669		—
Merger costs	(1,102		)	1,102		—
Income related to sale of Gustafson joint venture	1,500			(1,500	)	—
Gain on sale of businesses, net	113			(113	)	—
Impairment of long-lived assets	(74,653		)	74,653		—
Total operating (loss) profit	$	(51,872	)	103,564		51,692

	Operating
	Profit
Non-GAAP adjustments consist of the following:
Change in useful life of property, plant and equipment	$	2,890
Facility closures, severance and related costs	863
Antitrust costs	25,669
Merger costs	1,102
Income related to sale of Gustafson joint venture	(1,500		)
Gain on sale of businesses, net	(113		)
Impairment of long-lived assets	74,653
	$	103,564

4

CHEMTURA CORPORATION

Non-GAAP Segment Sales and Operating Profit (Unaudited)

Three months ended June 30, 2006

(In thousands of dollars)

	Three Months Ended June 30, 2006
				Non-GAAP
	GAAP			Adjustments		Non-GAAP
SALES
Polymer Additives	$	439,067		—		439,067
Performance Specialties	171,324			—		171,324
Consumer Products	203,180			—		203,180
Crop Protection	85,690			—		85,690
Other	117,062			—		117,062
	1,016,323			—		1,016,323
OPERATING PROFIT
Polymer Additives	$	49,459		—		49,459
Performance Specialties	27,097			—		27,097
Consumer Products	34,427			—		34,427
Crop Protection	16,325			—		16,325
Other	6,951			—		6,951
	134,259			—		134,259
General corporate expense	(29,936		)	2,885		(27,051	)
Facility closures, severance and related costs	3,280			(3,280	)	—
Antitrust costs	(32,275		)	32,275		—
Merger costs	(4,745		)	4,745		—
Gain on sale of businesses, net	(12,475		)	12,475		—
Impairment of long-lived assets	(5,610		)	5,610		—
Total operating profit	$	52,498		54,710		107,208

	Operating
	Profit
Non-GAAP adjustments consist of the following:
Change in useful life of property, plant and equipment	$	2,885
Facility closures, severance and related costs	(3,280		)
Antitrust costs	32,275
Merger costs	4,745
Gain on sale of businesses, net	12,475
Impairment of long-lived assets	5,610
	$	54,710

5

CHEMTURA CORPORATION

Non-GAAP Segment Sales and Operating Profit (Unaudited)

Three months ended March 31, 2006

(In thousands of dollars)

	Three Months Ended March 31, 2006
				Non-GAAP
	GAAP			Adjustments		Non-GAAP
SALES
Polymer Additives	$	423,093		—		423,093
Performance Specialties	171,536			—		171,536
Consumer Products	114,427			—		114,427
Crop Protection	78,642			—		78,642
Other	128,063			—		128,063
	915,761			—		915,761
OPERATING PROFIT
Polymer Additives	$	39,118		—		39,118
Performance Specialties	31,490			—		31,490
Consumer Products	12,293			—		12,293
Crop Protection	20,101			—		20,101
Other	3,962			—		3,962
	106,964			—		106,964
General corporate expense	(33,068		)	(1,415	)	(34,483	)
Facility closures, severance and related costs	(504		)	504		—
Antitrust costs	(12,808		)	12,808		—
Merger costs	(10,045		)	10,045		—
Total operating profit	$	50,539		21,942		72,481

	Operating
	Profit
Non-GAAP adjustments consist of the following:
Change in useful life of property, plant and equipment	$	2,885
Favorable settlement of contractual matter	(4,300		)
Facility closures, severance and related costs	504
Antitrust costs	12,808
Merger costs	10,045
	$	21,942

6