For further information, contact:	Don Pearson
	Vice President & CFO
	847.851.1500

AMCOL International Corporation (NYSE:ACO)

Reports Third Quarter Results

HOFFMAN ESTATES, IL., October 23, 2009—AMCOL International Corporation (NYSE:ACO) today reported 2009 third quarter net income attributable to AMCOL shareholders of $13.3 million, or $0.43 per diluted share, compared with $1.9 million, or $0.06 per diluted share, in the prior year period. The current year period includes a net expense of $1.6 million, or $0.05 per diluted share, related to the write off of certain U.S. metal casting operations. Without this expense, diluted earnings per share would have been $0.48 per share. The prior year period includes the effect of a one-time loss incurred on our investment in an affiliate of $16.7 million, or $0.54 per diluted share. Without this loss, the 2008 period’s diluted earnings per share would have been $0.60 per share.

Net sales decreased 24.6% to $190.9 million for the quarter ended September 30, 2009 from $253.0 million in the 2008 period. Foreign currency fluctuations had a $14.1 million unfavorable impact. Operating profit decreased by 29.7% over the 2008 third quarter to $19.2 million; foreign currency fluctuations had an unfavorable impact of $2.0 million on current period operating profit. Our affiliates and joint ventures generated income amounting to $0.02 per diluted share as compared to losses of $0.47 per share in the prior year period. Our reduced effective tax rate for the quarter added $0.03 per diluted share.

For the nine-month period ended September 30, 2009, net income attributable to AMCOL shareholders was $23.6 million, or $0.76 per diluted share, compared with $25.4 million, or $0.82 per diluted share in the prior year period, which includes a one-time loss of $0.63 per diluted share incurred on our investment in an affiliate.

AMCOL Q3 2009 EARNINGS

Page 2 of 13

Net sales for the nine-month period ended September 30, 2009 decreased 22.4% to $526.5 million, compared with $678.3 million for the 2008 period. Foreign currency fluctuations had a $43.7 million unfavorable impact offset by $9.0 million in new revenue from acquisitions. Operating profit declined by 32.0% over the 2008 period to $43.2 million. Foreign currency fluctuations and acquisitions had unfavorable impacts of $5.7 million and $1.3 million, respectively, on current period operating profit. Our affiliates and joint ventures generated $0.9 million, or $0.03 per diluted share, of losses in the current year compared to losses of $14.1 million, or $0.45 per diluted share, in the prior year’s comparable period.

This release should be read in conjunction with the attached unaudited condensed consolidated financial statements. Further discussion of items and events impacting earnings are included later in this press release.

“Although overall AMCOL revenue in the third quarter was still well behind the 2008 pace, there are some positive developments,” said Larry Washow, AMCOL President and Chief Executive Officer. “Gross margins continue to improve across all segments. We continue to reduce debt as our focus on the balance sheet is producing results.”

Washow continued, “The Minerals segment did show stronger U.S. sales sequentially over second quarter 2009, as the “cash for clunkers” program helped increase foundry activity. On a sequential quarter basis, our business in Asia is improving, and Europe, which has a significant consumer related business, had a good quarter as well.”

“The third quarter is typically the strongest for our Environmental segment and this year is no exception. Gross margins improved but the building materials business remains very soft around the world. Our Lining Tech products are used in several markets and while the U.S. is well below last years pace, Europe is having a good year,” Washow added.

“Third quarter 2008 was the best quarter ever for our Oilfield Services segment but this year’s results reflect the impact of lower oil and natural gas prices. Gross margins continue to be in line but project activity is slow and predicting a return to growth is very difficult,” Washow continued.”

“The sequential improvement in the Minerals segment is very encouraging and shows the result of our pricing approach as well as cost controls. There is more project activity in the Environmental segment, but customers are cautious about starting new projects. The Oilfield Services segment is very well positioned when the business returns. All of our segments are prepared for growth but our key focus continues to be on the balance sheet and we expect continuing improvement in Q4,” Washow concluded.

AMCOL Q3 2009 EARNINGS

Page 3 of 13

STATEMENT OF OPERATIONS HIGHLIGHTS:

The statement of operations highlights are supported by the segment results schedules included in this press release.

Net sales: The following details the components of sales by segment for the 2009 third quarter compared to the prior year’s third quarter.

Minerals: The majority of the decrease in the quarter’s revenue was due to lower volumes in the U.S. metal casting and basic minerals product lines, partially offset by price increases. Pass-through freight revenue accounted for approximately 18.7% of the total segment’s decrease, principally from the pet products and basic minerals divisions. Foreign currency fluctuations represented approximately 16.7% of the decrease in revenue principally due to the weakening of the British pound against the U.S. dollar.

Environmental: Base business revenues decreased due to lower demand in the U.S. for our lining technology and building materials products and services provided by our contracting services group. Foreign currency fluctuations represented approximately 38.0% of the revenue decrease, primarily due to the weakening of the British pound and the Polish zloty against the U.S. dollar.

Oilfield Services: Lower demand for oil and natural gas has reduced production activities, driving the decrease in revenue in the current quarter compared to the prior year quarter. Domestic base business revenues declined across all services, compared to the prior year quarter.

International revenue was down substantially in Nigeria and the United Kingdom compared to the prior year quarter due to lower demand for our services. However, both Brazil and Malaysia continue to experience solid growth over the prior year quarter.

Transportation: Reductions in fuel-surcharge revenue represented 58.2% of the revenue decrease; the remaining decrease was due to reduced demand for consumer product shipments.

Gross profit: Gross profit decreased $9.7 million, or 15.3%, from the 2008 third quarter while gross margin was 28.2%, a 310 basis point improvement from the 2008 quarter.

Minerals: Gross profit decreased $0.9 million, or 4.3%, from the 2008 quarter while gross margins improved 450 basis points to 22.2%. The gross margin improvement results principally from domestic pricing initiatives put in place in 2008. The decrease in gross profit includes a net $2.0 million of write off expenses related to our domestic briquetting operations within our metalcasting group, due to reduced demand. These expenses negatively affected gross margins by 230 basis points but is offset by improvements in our product mix and other businesses.

AMCOL Q3 2009 EARNINGS

Page 4 of 13

Environmental: Gross profit decreased $5.5 million, or 19.4%, from the 2008 quarter while gross margins increased 250 basis points to 35.5%; the margin increase is due to lower input costs, principally resin, and lower freight costs due to the reduction in energy costs. These benefits were partially offset by decreased volumes.

Oilfield Services: Gross profit decreased $3.0 million, or 23.6%, from the 2008 quarter due to the reduction in revenues.

Transportation: Gross profit decreased $0.3 million over the prior year quarter, and gross margin improved 190 basis points to 12.4% due to lower energy costs.

General, selling and administrative expenses (GS&A): GS&A expenses decreased $1.6 million, or 4.4%, from the prior year quarter, mainly due to a $1.5 million decrease in our Environmental segment’s GS&A expenses. This segment’s GS&A expenses decreased 11.3% largely due to the effect of foreign currency fluctuations resulting from a weakening of the British pound and Polish zloty against the U.S. dollar. GS&A expenses in other segments remained relatively constant in each segment.

Interest expense: Net interest expense decreased by $0.6 million over the prior year quarter due to reduced average debt levels.

Other, net: Other, net is primarily comprised of foreign currency exchange income and losses. Other, net favorably impacted results in the 2009 period by $0.1 million versus $2.1 million of losses in the prior year’s comparable period.

Income taxes: The effective tax rate for the third quarter of 2009 was 19.8%, compared with 25.5% for the same period in 2008. The reduction is due to a greater proportion of our income being generated in lower tax rate jurisdictions, principally foreign countries.

Income and losses from affiliates and joint ventures: Income from affiliates and joint ventures of $0.7 million is principally due to one of our Indian joint ventures, Ashapura Volclay and improvements in our Russian joint venture.

This compares to losses of $14.7 million in the prior year period, primarily incurred in our largest Indian investment, Ashapura Minechem Limited. This investment is accounted for under the equity method. At December 31, 2008, we wrote off the balance of our investment and accordingly have discontinued recording additional losses from this affiliate.

Share count: Weighted average common and common equivalent shares outstanding were comparable for the quarters ended September 30, 2009 and 2008, differing by less than 1%.

AMCOL Q3 2009 EARNINGS

Page 5 of 13

FINANCIAL POSITION AND CASH FLOW HIGHLIGHTS:

Long-term debt decreased $39.7 million to $217.1 million at September 30, 2009, compared to $256.8 million at December 31, 2008. The reduction was primarily due to reductions in working capital levels and minimizing capital expenditures. Total long-term debt represented 38.4% of capitalization at September 30, 2009, compared with 43.9% at December 31, 2008. Cash and cash equivalents remained the same at $19.4 million at September 30, 2009 as compared with December 31, 2008.

Working capital decreased to $212.9 million at September 30, 2009 from $262.7 million at December 31, 2008. The reduction in working capital was due to a combination of lower sales volumes and continued efforts to reduce working capital.

Cash flow generated from operating activities was $90.6 million for year-to-date September 30, 2009 compared with $2.6 million in the prior year period. This increase was principally due to the decrease in working capital.

Excluding our corporate building (which was a sale-leaseback transaction) and $15.1 million of expenditures for our purchase of a 53% investment in a chrome mine in South Africa, capital expenditures in the 2009 period were $24.5 million compared with $29.7 million in the prior year period. The reduction in adjusted capital expenditures is due to our limiting capital expenditures to maintenance activities and minimal expansion projects in 2009.

Dividends declared year-to-date through September 30, 2009 increased by 9.1 % over the prior year period to $16.5 million. Our dividend rate has remained constant at $0.18 per share since the third quarter of 2008.

This release contains certain forward-looking statements regarding AMCOL’s expected performance for future periods and actual results for such periods might materially differ. Such forward-looking statements are subject to uncertainties, which include, but are not limited to, actual growth in AMCOL’s various markets, utilization of AMCOL’s plants, currency exchange rates, currency devaluation, delays in development, production and marketing of new products, integration of acquired businesses, and other factors detailed from time to time in AMCOL’s annual report and other reports filed with the Securities and Exchange Commission. AMCOL undertakes no duty to update any forward-looking statement to conform the statement to actual results or changes in AMCOL’s expectations.

AMCOL Q3 2009 EARNINGS

Page 6 of 13

AMCOL International, headquartered in Hoffman Estates, IL, produces and markets a wide range of specialty mineral products used for industrial, environmental and consumer-related applications. AMCOL is the parent of American Colloid Company, CETCO (Colloid Environmental Technologies Company), CETCO Oilfield Services Company and the transportation operations, Ameri-co Carriers, Inc. and Ameri-co Logistics, Inc. AMCOL’s common stock is traded on the New York Stock Exchange under the symbol ACO. AMCOL’s web address is www.amcol.com. AMCOL’s third quarter conference call will be available live today at 11 a.m. EDT on the AMCOL website or by dialing 888.539.3679.

Financial tables follow.

AMCOL INTERNATIONAL CORPORATION

CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS

(unaudited)

(In thousands, except per share data)

	Nine Months Ended						Three Months Ended
	September 30,						September 30,
	2009			2008			2009			2008

Net sales	$	526,539		$	678,304		$	190,920		$	253,048
Cost of sales		382,320			505,727			137,069			189,481
Gross profit		144,219			172,577			53,851			63,567

General, selling and administrative expenses		101,047			109,061			34,626			36,214
Operating profit		43,172			63,516			19,225			27,353
Other income (expense):
Interest expense, net		(9,399	)		(8,642	)		(2,833	)		(3,404	)
Other, net		(2,595	)		(1,533	)		119			(2,128	)
		(11,994	)		(10,175	)		(2,714	)		(5,532	)
Income before income taxes and income (loss) from affiliates and joint ventures		31,178			53,341			16,511			21,821
Income tax expense		6,388			13,950			3,271			5,567
Income before income (loss) from affiliates and joint ventures		24,790			39,391			13,240			16,254

Income (loss) from affiliates and joint ventures		(921	)		(14,072	)		721			(14,697	)

Net income		23,869			25,319			13,961			1,557

Net income (loss) attributable to the noncontrolling interest		296			(58	)		661			(365	)

Net income (loss) attributable to AMCOL shareholders	$	23,573		$	25,377		$	13,300		$	1,922

Weighted average common shares outstanding		30,735			30,405			30,766			30,540

Weighted average common and common equivalent shares outstanding		30,967			30,993			31,057			31,129

Basic earnings per share attributable to AMCOL shareholders	$	0.77		$	0.83		$	0.43		$	0.06

Diluted earnings per share attributable to AMCOL shareholders	$	0.76		$	0.82		$	0.43		$	0.06

Dividends declared per share	$	0.54		$	0.50		$	0.18		$	0.18

AMCOL INTERNATIONAL CORPORATION

CONDENSED CONSOLIDATED BALANCE SHEETS

(In thousands)

	September 30,			December 31,
ASSETS	2009			2008
	(unaudited)				*
Current assets:
Cash and equivalents	$	19,367		$	19,441
Accounts receivable, net		165,477			197,611
Inventories		103,966			125,066
Prepaid expenses		14,190			12,812
Deferred income taxes		3,043			5,358
Income tax receivable		6,791			3,490
Other		232			7,409
Total current assets		313,066			371,187

Investments in and advances to affiliates and joint ventures		30,292			30,025

Property, plant, equipment, mineral rights and reserves:
Land and mineral rights		56,356			17,186
Depreciable assets		405,217			380,555
		461,573			397,741
Less: accumulated depreciation and depletion		229,387			206,398
		232,186			191,343
Other assets:
Goodwill		71,537			68,482
Intangible assets, net		48,681			53,974
Deferred income taxes		14,361			15,867
Other assets		24,449			13,702
		159,028			152,025
	$	734,572		$	744,580

LIABILITIES AND STOCKHOLDERS' EQUITY

Current liabilities:
Accounts payable	$	47,116		$	45,297
Accrued liabilities		53,080			63,197
Total current liabilities		100,196			108,494

Long-term debt		217,064			256,821

Pension liabilities		24,920			22,939
Other liabilities		44,650			27,971
		69,570			50,910
Equity:
Common stock		320			320
Additional paid in capital		83,284			86,350
Retained earnings		269,500			262,453
Accumulated other comprehensive income		8,749			(4,721	)
		361,853			344,402
Less:
Treasury stock		(15,952	)		(18,196	)
Total AMCOL shareholder's equity		345,901			326,206

Noncontrolling interest		1,841			2,149

Total equity		347,742			328,355

	$	734,572		$	744,580

* Condensed from audited financial statements.

AMCOL INTERNATIONAL CORPORATION

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (unaudited)

(In thousands)

	Nine Months Ended
	September 30,
	2009			2008
Cash flow from operating activities:
Net income	$	23,869		$	25,319
Adjustments to reconcile net income to net cash
provided by (used in) operating activities:
Depreciation, depletion, and amortization		26,781			24,872
Undistributed (earnings) losses from affiliates and joint ventures		1,412			14,866
Other non - cash charges		7,611			2,409
Changes in assets and liabilities, net of effects of acquisitions:
Decrease (Increase) in current assets		35,096			(86,237	)
Decrease (Increase) in noncurrent assets		(1,257	)		496
Increase (decrease) in current liabilities		(7,480	)		20,116
Increase (decrease) in noncurrent liabilities		4,586			788
Net cash provided by (used in) operating activities		90,618			2,629

Cash flow from investing activities:
Capital expenditures		(39,637	)		(29,686	)
Capital expenditures - corporate building		(9,651	)		(14,273	)
Proceeds from sale of depreciable assets - corporate building		9,651			-
Acquisitions, net of cash		(522	)		(42,549	)
Investments in and advances to affiliates and joint ventures		(2,647	)		(10,993	)
Receipts from (advances to) Chrome Corp		6,000			(6,000	)
Other		2,906			(2,193	)
Net cash used in investing activities		(33,900	)		(105,694	)

Cash flow from financing activities:
Net change in outstanding debt		(42,467	)		105,495
Net change in outstanding debt - corporate building		-			20,692
Proceeds from sales of treasury stock		1,005			1,550
Purchases of treasury stock		(165	)		(2,062	)
Dividends		(16,526	)		(15,143	)
Excess tax benefits from stock-based compensation		464			1,087
Net cash provided by (used in) financing activities		(57,689	)		111,619

Effect of foreign currency rate changes on cash		897			(190	)
Net increase (decrease) in cash and cash equivalents		(74	)		8,364
Cash and cash equivalents at beginning of period		19,441			25,282
Cash and cash equivalents at end of period	$	19,367		$	33,646

AMCOL INTERNATIONAL CORPORATION

SEGMENT RESULTS (unaudited)

QUARTER-TO-DATE

	Three Months Ended September 30,
Minerals	2009				2008				2009 vs 2008
	(Dollars in Thousands)

Net sales	$	89,021	100.0	%	$	116,881	100.0	%	$	(27,860	)	-23.8	%
Cost of sales		69,232	77.8	%		96,206	82.3	%		(26,974	)	-28.0	%
Gross profit		19,789	22.2	%		20,675	17.7	%		(886	)	-4.3	%
General, selling and
administrative expenses		9,317	10.5	%		9,565	8.2	%		(248	)	-2.6	%
Operating profit		10,472	11.7	%		11,110	9.5	%		(638	)	-5.7	%

	Three Months Ended September 30,
Environmental	2009				2008				2009 vs 2008
	(Dollars in Thousands)

Net sales	$	64,493	100.0	%	$	86,133	100.0	%	$	(21,640	)	-25.1	%
Cost of sales		41,603	64.5	%		57,731	67.0	%		(16,128	)	-27.9	%
Gross profit		22,890	35.5	%		28,402	33.0	%		(5,512	)	-19.4	%
General, selling and
administrative expenses		12,135	18.8	%		13,683	15.9	%		(1,548	)	-11.3	%
Operating profit		10,755	16.7	%		14,719	17.1	%		(3,964	)	-26.9	%

	Three Months Ended September 30,
Oilfield Services	2009				2008				2009 vs 2008
	(Dollars in Thousands)

Net sales	$	29,109	100.0	%	$	38,379	100.0	%	$	(9,270	)	-24.2	%
Cost of sales		19,491	67.0	%		25,785	67.2	%		(6,294	)	-24.4	%
Gross profit		9,618	33.0	%		12,594	32.8	%		(2,976	)	-23.6	%
General, selling and
administrative expenses		6,522	22.4	%		6,400	16.7	%		122		1.9	%
Operating profit		3,096	10.6	%		6,194	16.1	%		(3,098	)	-50.0	%

	Three Months Ended September 30,
Transportation	2009				2008				2009 vs 2008
	(Dollars in Thousands)

Net sales	$	12,487	100.0	%	$	17,983	100.0	%	$	(5,496	)	-30.6	%
Cost of sales		10,933	87.6	%		16,087	89.5	%		(5,154	)	-32.0	%
Gross profit		1,554	12.4	%		1,896	10.5	%		(342	)	-18.0	%
General, selling and
administrative expenses		861	6.9	%		938	5.2	%		(77	)	-8.2	%
Operating profit		693	5.5	%		958	5.3	%		(265	)	-27.7	%

	Three Months Ended September 30,
Corporate	2009			2008			2009 vs 2008
	(Dollars in Thousands)

Intersegment shipping sales	$	(4,190	)	$	(6,328	)	$	2,138
Intersegment shipping costs		(4,190	)		(6,328	)	$	2,138
Gross profit		-			-
General, selling and
administrative expenses		5,791			5,628			163	2.9	%
Operating loss		5,791			5,628			163	2.9	%

AMCOL INTERNATIONAL CORPORATION

SEGMENT RESULTS (unaudited)

YEAR-TO-DATE

	Nine Months Ended September 30,
Minerals	2009				2008				2009 vs 2008
	(Dollars in Thousands)

Net sales	$	244,657	100.0	%	$	323,228	100.0	%	$	(78,571	)	-24.3	%
Cost of sales		193,774	79.2	%		267,532	82.8	%		(73,758	)	-27.6	%
Gross profit		50,883	20.8	%		55,696	17.2	%		(4,813	)	-8.6	%
General, selling and administrative expenses		27,020	11.0	%		28,379	8.8	%		(1,359	)	-4.8	%
Operating profit		23,863	9.8	%		27,317	8.4	%		(3,454	)	-12.6	%

	Nine Months Ended September 30,
Environmental	2009				2008				2009 vs 2008
	(Dollars in Thousands)

Net sales	$	164,096	100.0	%	$	222,393	100.0	%	$	(58,297	)	-26.2	%
Cost of sales		107,580	65.6	%		147,694	66.4	%		(40,114	)	-27.2	%
Gross profit		56,516	34.4	%		74,699	33.6	%		(18,183	)	-24.3	%
General, selling and administrative expenses		34,913	21.3	%		41,754	18.8	%		(6,841	)	-16.4	%
Operating profit		21,603	13.1	%		32,945	14.8	%		(11,342	)	-34.4	%

	Nine Months Ended September 30,
Oilfield Services	2009				2008				2009 vs 2008
	(Dollars in Thousands)

Net sales	$	93,140	100.0	%	$	100,177	100.0	%	$	(7,037	)	-7.0	%
Cost of sales		60,554	65.0	%		63,130	63.0	%		(2,576	)	-4.1	%
Gross profit		32,586	35.0	%		37,047	37.0	%		(4,461	)	-12.0	%
General, selling and administrative expenses		20,123	21.6	%		18,156	18.1	%		1,967		10.8	%
Operating profit		12,463	13.4	%		18,891	18.9	%		(6,428	)	-34.0	%

	Nine Months Ended September 30,
Transportation	2009						2008					2009 vs 2008
	(Dollars in Thousands)

Net sales	$	35,336			100.0	%	$	49,216		100.0	%	$	(13,880	)	-28.2	%
Cost of sales		31,102			88.0	%		44,081		89.6	%		(12,979	)	-29.4	%
Gross profit		4,234			12.0	%		5,135		10.4	%		(901	)	-17.5	%
General, selling and administrative expenses		2,551			7.2	%		2,564		5.2	%		(13	)	-0.5	%
Operating profit		1,683			4.8	%		2,571		5.2	%		(888	)	-34.5	%

	Nine Months Ended September 30,
Corporate	2009			2008			2009 vs 2008
	(Dollars in Thousands)

Intersegment shipping sales	$	(10,690	)	$	(16,710	)	$	6,020
Intersegment shipping costs		(10,690	)		(16,710	)	$	6,020
Gross profit		-			-
General, selling and administrative expenses		16,440			18,208			(1,768	)	-9.7	%
Operating loss		16,440			18,208			(1,768	)	-9.7	%

AMCOL INTERNATIONAL CORPORATION

SUPPLEMENTARY INFORMATION (unaudited)

QUARTER-TO-DATE

		Three Months Ended September 30, 2009
Composition of Sales by Geographic Region		Americas			EMEA			Asia Pacific			Total
Minerals			29.0	%		9.7	%		8.0	%		46.7	%
Environmental			17.0	%		15.0	%		1.8	%		33.8	%
Oilfield services			13.7	%		0.4	%		1.1	%		15.2	%
Transportation			4.3	%		0.0	%		0.0	%		4.3	%
Total - current year's period			64.0	%		25.1	%		10.9	%		100.0	%
Total from prior year's comparable period			66.9	%		23.4	%		9.7	%		100.0	%

	Three Months Ended September 30, 2009
	vs.
Percentage of Revenue Growth by Component		Three Months Ended September 30, 2008
		Base Business			Acquisitions			Foreign Exchange			Total
Minerals			-9.2	%		0.0	%		-1.8	%		-11.0	%
Environmental			-5.6	%		0.2	%		-3.2	%		-8.6	%
Oilfield services			-3.2	%		0.0	%		-0.5	%		-3.7	%
Transportation			-1.3	%		0.0	%		0.0	%		-1.3	%
Total			-19.3	%		0.2	%		-5.5	%		-24.6	%
% of change			78.2	%		-0.9	%		22.7	%		100.0	%

		Three Months Ended September 30,
		2009			2008			% change
Minerals Product Line Sales		(Dollars in Thousands)

Metalcasting		$	38,097		$	46,392			-17.9	%
Specialty materials			26,661			29,033			-8.2	%
Pet products			16,959			19,559			-13.3	%
Basic minerals			6,348			19,471			-67.4	%
Other product lines			956			2,426			*

Total			89,021			116,881

* Not meaningful.

		Three Months Ended September 30,
Environmental Product Line Sales		2009			2008			% change
		(Dollars in Thousands)

Lining technologies		$	44,727		$	57,320			-22.0	%
Building materials			14,227			22,237			-36.0	%
Other product lines			5,539			6,576			*

Total			64,493			86,133

* Not meaningful.

AMCOL INTERNATIONAL CORPORATION

SUPPLEMENTARY INFORMATION (unaudited)

YEAR-TO-DATE

		Nine Months Ended September 30, 2009
Composition of Sales by Geographic Region		Americas			EMEA			Asia Pacific			Total
Minerals			29.6	%		9.5	%		7.4	%		46.5	%
Environmental			15.6	%		13.5	%		2.1	%		31.2	%
Oilfield services			16.1	%		0.5	%		1.1	%		17.7	%
Transportation			4.6	%		0.0	%		0.0	%		4.6	%
Total - current year's period			65.9	%		23.5	%		10.6	%		100.0	%
Total from prior year's comparable period			67.3	%		23.1	%		9.6	%		100.0	%

	Nine Months Ended September 30, 2009
	vs.
Percentage of Revenue Growth by Component		Nine Months Ended September 30, 2008
		Base Business			Acquisitions			Foreign Exchange			Total
Minerals			-9.2	%		0.0	%		-2.4	%		-11.6	%
Environmental			-5.0	%		0.2	%		-3.8	%		-8.6	%
Oilfield services			-1.8	%		1.1	%		-0.3	%		-1.0	%
Transportation			-1.2	%		0.0	%		0.0	%		-1.2	%
Total			-17.2	%		1.3	%		-6.5	%		-22.4	%
% of change			77.1	%		-5.9	%		28.8	%		100.0	%

		Nine Months Ended September 30,
Minerals Product Line Sales		2009			2008			% change
		(Dollars in Thousands)

Metalcasting		$	100,592		$	134,118			-25.0	%
Specialty materials			71,330			77,239			-7.7	%
Pet products			49,729			58,261			-14.6	%
Basic minerals			20,288			47,275			-57.1	%
Other product lines			2,718			6,335			*
Total			244,657			323,228

* Not meaningful.

		Nine Months Ended September 30,
Environmental Product Line Sales		2009			2008			% change
		(Dollars in Thousands)

Lining technologies		$	106,150		$	138,267			-23.2	%
Building materials			41,704			65,090			-35.9	%
Other product lines			16,242			19,036			*
Total			164,096			222,393

* Not meaningful.