Regulatory News: Chemtura Corporation (NYSE/Euronext: CHMT) (“Chemtura” or the “Company”) announced today that, in connection with its previously announced cash tender offer and consent solicitation with respect to any and all of its outstanding $455.0 million aggregate principal amount of 7.875% Senior Notes due 2018 (the “Notes”), pursuant to the Company’s Offer to Purchase and Consent Solicitation Statement, dated June 10, 2013 (the “Offer to Purchase”), it is amending the terms of the tender offer to extend the expiration date for the tender offer from 11:59 p.m., New York City time, on July 8, 2013 to 4:00 p.m., New York City time, on July 19, 2013, unless further extended or earlier terminated by the Company in its sole discretion, and to eliminate the early settlement feature. The expiration date is being extended because the Financing Condition (as defined in the Offer to Purchase) has not yet been satisfied. The consent date, the last date and time for holders to tender their Notes in order to receive the total consideration set forth in the Offer to Purchase and described below, expired at 5:00 p.m., New York City time, on June 21, 2013 (the “Consent Date”) and is not being extended. Except for the extension of the expiration date and the elimination of the early settlement feature as described above, all terms and conditions of the tender offer set forth in the Offer to Purchase remain unchanged. Holders who previously have tendered their Notes do not need to re-tender their Notes or take any other action in response to this extension. As of 5:00 p.m., New York City time, on July 5, 2013, tenders had been delivered with respect to $348,346,000 aggregate principal amount of Notes, representing approximately 76.56% of the outstanding aggregate principal amount of Notes. In accordance with the terms of the Offer to Purchase, tendered Notes may no longer be validly withdrawn and related consents may no longer be validly revoked, unless the tender offer is terminated.