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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><FONT STYLE="font-size: 18pt"><B>UNITED
STATES<BR>
SECURITIES AND EXCHANGE COMMISSION<BR>
</B></FONT><B><FONT STYLE="font-size: 10pt">Washington, D.C. 20549</FONT></B></P>

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<P STYLE="font: 18pt Times New Roman, Times, Serif; margin-top: 0pt; text-align: center; margin-bottom: 0pt"><B>FORM 8-K</B></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>CURRENT REPORT<BR>
PURSUANT TO SECTION 13 OR 15(d) OF THE<BR>
SECURITIES EXCHANGE ACT OF 1934</B></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">Date of Report (Date of earliest event reported):
<B>September 7, 2012</B></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><FONT STYLE="font-size: 18pt"><B>Chemtura
Corporation<BR>
</B></FONT><FONT STYLE="font-size: 10pt">(Exact name of registrant as specified in its charter)</FONT></P>

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<TABLE ALIGN="CENTER" CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 31%; text-align: center"><B>Delaware<BR>
</B>(State or other jurisdiction<BR>
&nbsp;of incorporation)</TD>
    <TD STYLE="width: 2%">&nbsp;</TD>
    <TD STYLE="width: 34%; text-align: center"><B>1-15339<BR>
</B>(Commission file number)</TD>
    <TD STYLE="width: 2%">&nbsp;</TD>
    <TD STYLE="width: 31%; text-align: center"><B>52-2183153<BR>
</B>(IRS employer identification<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;number)</TD></TR>
<TR STYLE="vertical-align: top">
    <TD COLSPAN="5">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD COLSPAN="3" STYLE="text-align: center"><B>1818 Market Street, Suite 3700, Philadelphia, Pennsylvania 199 Benson Road, Middlebury, Connecticut<BR>
</B>(Address of principal executive offices)</TD>
    <TD>&nbsp;</TD>
    <TD>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>19103</B></P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>06749<BR>
        </B>(Zip Code)</P></TD></TR>
</TABLE>
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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><FONT STYLE="font-size: 10pt"><B>(203) 573-2000<BR>
</B>(Registrant's telephone number, including area code)</FONT></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-size: 10pt">Check the appropriate box below
if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following
provisions (see General Instruction A.2. below):<BR>
<BR>
<FONT STYLE="font-family: Wingdings 2">&#163;</FONT>&nbsp;Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)<BR>
<BR>
<FONT STYLE="font-family: Wingdings 2">&#163;</FONT> Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)<BR>
<BR>
<FONT STYLE="font-family: Wingdings 2">&#163;</FONT> Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))<BR>
<BR>
<FONT STYLE="font-family: Wingdings 2">&#163;</FONT> Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))</FONT></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-size: 10pt"><B>Item 8.01 Other Events.</B></FONT></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">On September 7, 2012, Chemtura Corporation
(the &ldquo;Company&rdquo;) issued a press release announcing a process to exercise the accordion feature under the Company&rsquo;s
existing senior secured credit agreement to raise an aggregate principal amount of up to $125 million. A copy of the press release
is attached hereto as Exhibit 99.1 and incorporated herein by reference.</P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><B>Item 9.01. Financial Statements and Exhibits</B></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><B>(d)&nbsp;&nbsp;Exhibits</B></P>

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    <TD NOWRAP STYLE="width: 10%; border-bottom: Black 1pt solid">Exhibit No.</TD>
    <TD STYLE="width: 5%; padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="width: 85%; border-bottom: Black 1pt solid">Exhibit Description</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>99.1</TD>
    <TD>&nbsp;</TD>
    <TD>Press Release dated September 7, 2012.</TD></TR>
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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>Signatures</B></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;&#9;Pursuant to the requirements of the Securities Exchange
Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.</P>

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<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD COLSPAN="2"><U>Chemtura Corporation</U></TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD COLSPAN="2">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(Registrant)</TD></TR>
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    <TD STYLE="width: 50%">&nbsp;</TD>
    <TD STYLE="width: 5%">&nbsp;</TD>
    <TD STYLE="width: 45%">&nbsp;</TD></TR>
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    <TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="padding-bottom: 1pt">By:</TD>
    <TD STYLE="border-bottom: Black 1pt solid">/s/ Billie S. Flaherty</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>Name:</TD>
    <TD>Billie S. Flaherty</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>Title:</TD>
    <TD>SVP, General Counsel &amp; Secretary</TD></TR>
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<TD STYLE="width: 0"></TD><TD STYLE="width: 0.5in">Date:</TD><TD>September 7, 2012</TD></TR></TABLE>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><U>Exhibit Index</U></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

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    <TD NOWRAP STYLE="width: 10%; border-bottom: Black 1pt solid">Exhibit No.</TD>
    <TD STYLE="width: 5%; padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="width: 85%; border-bottom: Black 1pt solid">Exhibit Description</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>99.1</TD>
    <TD>&nbsp;</TD>
    <TD>Press Release dated September 7, 2012.</TD></TR>
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{"company-data": {"conformed-name": "Chemtura CORP", "cik": "0001091862", "assigned-sic": "2820", "irs-number": "522183153", "state-of-incorporation": "DE", "fiscal-year-end": "1231"}, "filing-values": {"form-type": "8-K", "act": "34", "file-number": "001-15339", "film-number": "121078450"}, "business-address": {"street1": "BENSON ROAD", "city": "MIDDLEBURY", "state": "CT", "zip": "06749", "phone": "2035732000"}, "mail-address": {"street1": "BENSON ROAD", "city": "MIDDLEBURY", "state": "CT", "zip": "06749"}, "former-company": [{"former-conformed-name": "CROMPTON CORP", "date-changed": "20000512"}, {"former-conformed-name": "CK WITCO CORP", "date-changed": "19990727"}]}
UNITED
STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 8-K
CURRENT REPORT
PURSUANT TO SECTION 13 OR 15(d) OF THE
SECURITIES EXCHANGE ACT OF 1934
Date of Report (Date of earliest event reported):
September 7, 2012
Chemtura
Corporation
(Exact name of registrant as specified in its charter)
Delaware
(State or other jurisdiction
of incorporation)
1-15339
(Commission file number)
52-2183153
(IRS employer identification
number)
1818 Market Street, Suite 3700, Philadelphia, Pennsylvania 199 Benson Road, Middlebury, Connecticut
(Address of principal executive offices)
19103
06749
(Zip Code)
(203) 573-2000
(Registrant's telephone number, including area code)
Check the appropriate box below
if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following
provisions (see General Instruction A.2. below):
£
Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
£
Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
£
Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
£
Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))
Item 8.01 Other Events.
On September 7, 2012, Chemtura Corporation
(the "Company") issued a press release announcing a process to exercise the accordion feature under the Company's
existing senior secured credit agreement to raise an aggregate principal amount of up to $125 million. A copy of the press release
is attached hereto as Exhibit 99.1 and incorporated herein by reference.
Item 9.01. Financial Statements and Exhibits
(d)  Exhibits
Exhibit No.
Exhibit Description
99.1
Press Release dated September 7, 2012.
Signatures
Pursuant to the requirements of the Securities Exchange
Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.
Chemtura Corporation
(Registrant)
By:
/s/ Billie S. Flaherty
Name:
Billie S. Flaherty
Title:
SVP, General Counsel & Secretary
Date:
September 7, 2012
Exhibit Index
Exhibit No.
Exhibit Description
99.1
Press Release dated September 7, 2012.