This excerpt taken from the ACI DEF 14A filed Mar 20, 2007.
Information About Stockholder Proposals
If you wish to submit proposals for possible inclusion in our 2008 proxy materials, we must receive them at our principal executive offices no later than the close of business on November 20, 2007. Proposals should be addressed to Robert G. Jones, Vice President Law, General Counsel and Secretary, Arch Coal, Inc., One CityPlace Drive, Suite 300, St. Louis, Missouri 63141.
If you wish to nominate directors and/or propose proper business from the floor for consideration at the 2008 annual meeting of stockholders, our bylaws provide that:
We will send copies of these requirements to any stockholder who writes to us requesting this information. Please note that these three requirements apply only to matters that you wish to bring before your fellow stockholders at the 2008 annual meeting of stockholders without submitting them for possible inclusion in our 2008 proxy materials.