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CONSENT OF ERNST & YOUNG LLP, INDEPENDENT AUDITORS Exhibit 23
Great Lakes Savings Plan
We consent to the incorporation by reference in Registration Statement (Form S-8
No.33-02075) pertaining to the Savings Plan of Great Lakes Chemical Corporation
of our report dated April 30, 2000 with respect to the financial statements of
the Great Lakes Savings Plan included in this Annual Report (Form 11-K) for the
year ended December 31, 1999.
/s/ Ernst & Young LLP
Indianapolis, Indiana
June 22, 2000
