(Source: PRNewswire)

ST. LOUIS, July 27 /PRNewswire-FirstCall/ -- Arch Coal, Inc. (NYSE: ACI) today announced that it has commenced an offering of 17,000,000 shares of its common stock pursuant to an automatic shelf registration statement on Form S-3 filed previously with the Securities and Exchange Commission (SEC). The company intends to grant the underwriters of the common stock offering an option for 30 days to purchase up to 2,550,000 additional shares of common stock to cover over-allotments, if any.
The company plans to use the net proceeds of the offering to finance a portion of the $761.0 million purchase price for the previously announced acquisition of the Jacobs Ranch mining complex in Wyoming. The acquisition is expected to close in the third quarter of 2009. If the acquisition is not completed, the company intends to use the net proceeds from this offering for general corporate purposes, which may include the financing of future acquisitions, including lease-by-applications, or strategic combinations, capital expenditures, additions to working capital, repurchases, repayment or refinancing of debt or stock repurchases.
This press release shall not constitute an offer to sell or a solicitation of an offer to buy any securities.
BofA Merrill Lynch, Morgan Stanley & Co. Incorporated, Citigroup Global Markets Inc. and J.P. Morgan Securities Inc. are the joint book-runners for the common stock offering.
The company has filed a registration statement (including a prospectus) with the SEC for the offering to which this communication relates. Before you invest, you should read the prospectus in that registration statement and the applicable prospectus supplement and other documents the company has filed or will file with the SEC for more complete information about the company and this offering. You may get these documents for free by visiting EDGAR on the SEC website at www.sec.gov.
The preliminary prospectus supplement and the final prospectus supplement relating to the offering, when available, may be obtained from Merrill Lynch, Pierce, Fenner & Smith Incorporated, 4 World Financial Center, New York, New York 10080, Attn: Prospectus Department, Morgan Stanley & Co. Incorporated, Prospectus Department, 180 Varick Street 2/F, New York, New York 10014 or by telephone at (866) 718-1649, Citigroup Global Markets Inc., Brooklyn Army Terminal, 140 58th Street, 8th Floor, Brooklyn, New York 11220, by e-mail to batprospectusdept@citi.com or by calling (800) 831- 9146 and J.P. Morgan Securities Inc., National Statement Processing, Prospectus Library, 4 Chase Metrotech Center, CS Level, Brooklyn, New York 11245 or by telephone at (718) 242-8002.
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