X0202 4 2005-09-14 0 0001301063 Foundation Coal Holdings, Inc. FCL 0001277410 BLACKSTONE MANAGEMENT ASSOCIATES IV LLC C/O THE BLACKSTONE GROUP 345 PARK AVE NEW YORK NY 10154 0 0 1 0 0001277408 BLACKSTONE FAMILY INVESTMENT PARTNERSHIP IV-A LP C/O THE BLACKSTONE GROUP 345 PARK AVE NEW YORK NY 10154 0 0 1 0 0001310608 Blackstone FCH Capital Partners IV L.P. C/O THE BLACKSTONE GROUP 345 PARK AVENUE NEW YORK NY 10154 0 0 1 0 0001070843 PETERSON PETER G C/O THE BLACKSTONE GROUP 345 PARK AVE NEW YORK NY 10154 0 0 1 0 0001070844 SCHWARZMAN STEPHEN A C/O THE BLACKSTONE GROUP 345 PARK AVE NEW YORK NY 10154 0 0 1 0 Common Stock, par value $0.01 per share 2005-09-14 4 S 0 4037500 D 4051520 I See footnotes Common Stock, par value $0.01 per share 2005-09-14 4 S 0 212500 D 213238 I See footnotes Selling price to public in registered public offering. Following the reported sales in a registered public offering of shares of Foundation Coal Holdings, Inc. common stock ("Common Stock"), which is anticipated to be completed on or about September 20, 2005, Blackstone FCH Capital Partners IV L.P. will own 4,051,520 shares of Common Stock reported as beneficially owned in the above table and Blackstone Family Investment Partnership IV-A L.P. (together with Blackstone FCH Capital Partners IV L.P., the "Blackstone Funds") will own 213,238 shares of Common Stock reported as beneficially owned in the above table. Blackstone Management Associates IV L.L.C. is the sole general partner of each of the Blackstone Funds and, as such, may be deemed to share beneficial ownership of the shares of Common Stock held by the Blackstone Funds. Messrs. Peter G. Peterson and Stephen A. Schwarzman are the founding members of Blackstone Management Associates IV L.L.C. and, as such, may be deemed to share beneficial ownership of the shares of Common Stock held by the Blackstone Funds. Information with respect to each of the Reporting Persons is given solely by such Reporting Person and no Reporting Person has responsibility for the accuracy or completeness of information supplied by another Reporting Person. Pursuant to Rule 16a-1(a)(4) under the Securities Exchange Act of 1934, as amended, each of the Reporting Persons, other than the Blackstone Funds, herein states that this filing shall not be deemed an admission that he or it is the beneficial owner of any of the shares of Common Stock covered by this Statement. Each of Blackstone Management Associates IV L.L.C. and Messrs. Peter G. Peterson and Stephen A. Schwarzman disclaims beneficial ownership of the Common Stock, except to the extent of its or his pecuniary interest in such shares of Common Stock. /s/ Prakash Melwani, Member of Blackstone Management Associates IV L.L.C. (see signatures of other Reporting Persons attached as Exhibit 99.1) 2005-09-16