Item 1.01 Entry into a Material Definitive Agreement

On May 20, 2008, AMCOL International Corporation (the "Company") and certain of its wholly-owned subsidiaries entered into the Third Amendment to Credit Agreement dated as of May 20, 2008 with Harris N.A., Wells Fargo Bank, N.A., Bank of America, N.A., The Northern Trust Company, RBS Citizens, N.A. and HSBC Bank USA, N.A. (the "Third Amendment"). The Third Amendment amends the Credit Agreement dated November 10, 2005, and amended June 14, 2006 and March 8, 2007, among the parties (the "Credit Agreement").

The main purpose of the Third Amendment is to increase the aggregate revolving credit commitments of the lenders from $150 million to $225 million and extend the termination date from April 1, 2012 to April 1, 2013. In connection with the Third Amendment, the Company's interest rate will generally increase for loans under the Credit Agreement.

The foregoing description of the Third Amendment is qualified in its entirety by reference to the Third Amendment, which is filed as Exhibit 10.1 to this Current Report on Form 8-K and incorporated herein by reference.

Item 9.01 Financial Statements and Exhibits

(d) Exhibits

10.1 Third Amendment to Credit Agreement dated as of May 20, 2008 among AMCOL International Corporation, CETCO Europe Ltd., AMCOL Minerals Europe, Ltd. (f/k/a Colin Stewart Minchem Limited), CETCO Poland SP. Z.O.O, Volclay Pty. Ltd., AMCOL International Corporation, Ameri-Co Logistics, Inc., American Colloid Company, Colloid Environmental Technologies Company, AMCOL Specialties Holdings, Inc., CETCO Oilfield Services Company, Harris N.A., Wells Fargo Bank, N.A., Bank of America, N.A., The Northern Trust Company, RBS Citizens, N.A. and HSBC Bank USA, N.A.

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