FORM 4

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue.
See Instruction 1(b).

(Print or Type Responses)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section
17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the
Investment Company Act of 1940

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1. Name and Address of Reporting Person *

Nichols, Mack G.

(Last) (First) (Middle)

500 East 96th Street
Suite 500

(Street)

Indianapolis, IN 46240

(City) (State) (Zip)

USA

2. Issuer Name and Ticker
or Trading Symbol

Great Lakes Chemical Corporation GLK

3. I.R.S. Identification
    Number of Reporting
    Person, if an entity
    (voluntary)

4. Statement for
(Month/Day/Year)

February 11, 2003

5. If Amendment, Date of
Original (Month/Day/Year)

6. Relationship of Reporting Person(s) to Issuer

(Check all applicable)

X Director

10% Owner

Officer (give title below)

Other (specify below)

7. Individual or Joint/Group

Filing (Check Applicable Line)

X Form filed by One Reporting Person

Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned

1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/ Year)	2A. Deemed Execution Date, if any (Month/Day/ Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/ Year)	2A. Deemed Execution Date, if any (Month/Day/ Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 3)

2. Conversion or Exercise Price of Derivative Security

3. Transaction Date
(Month/Day/
Year)

3A. Deemed Execution Date, if any (Month/Day/
Year)

4. Transaction Code (Instr. 8)

5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)

6. Date Exercisable and Expiration Date
(Month/Day/Year)

7. Title and Amount of Underlying Securities
(Instr. 3 and 4)

8. Price of Derivative Security
(Instr. 5)

9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 4)

10. Ownership Form of Derivative Securities: Direct (D) or Indirect (I)
(Instr. 4)

11. Nature of Indirect Beneficial Ownership
(Instr. 4)

Code

(A)

(D)

Date
Exercisable

Expiration
Date

Title

Amount or Number of Shares

Stock Option (Right to Buy) (1)

$21.6200

02/11/2003

3,000.00

02/11/2004

02/11/2013

Common

3,000.00

Explanation of Responses:

See attached statement

/s/ Karen Witte Duros

** Signature of Reporting Person

February 12, 2003

Date

Attorney-in-Fact for Mack G. Nichols

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).

** Intentional misstatements or omissions of facts constitute Federal Criminal Violations.
See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.

Potential persons who are to respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB number.

Great Lakes Chemical Corporation GLK

Form 4 - February 11, 2003

Nichols, Mack G.

500 East 96th Street

Suite 500

Indianapolis, IN 46240

USA

Explanation of Responses:

(1) All options vest in three (3) equal installments beginning one year after grant date.

http://www.sec.gov/divisions/corpfin/forms/form4.htm

Last update: 09/05/2002

GREAT LAKES CHEMICAL CORP 4