UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 15 CERTIFICATION AND NOTICE OF TERMINATION OF REGISTRATION UNDER SECTION 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR SUSPENSION OF DUTY TO FILE REPORTS UNDER SECTIONS 13 AND 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934. Commission File Number: 001-31308 TOM BROWN, INC. --------------- (Exact name of registrant as specified in its charter) 555 Seventeenth Street, Suite 1850, Denver, Colorado 80202, (303) 260-5000 -------------------------------------------------------------------------- (Address, including zip code, and telephone number, including area code, of registrants principal executive offices) Common Stock, $.10 par value per share -------------------------------------- (Title of each class of securities covered by this Form) None ---- (Title of all other classes of securities for which a duty to file reports under section 13(a) or 15(d) remains) Please place an X in the box(es) to designate the appropriate rule provision(s) relied upon to terminate or suspend the duty to file reports: Rule 12g-4(a)(1)(i) [X] Rule 12h-3(b)(1)(i) [X] Rule 12g-4(a)(1)(ii) [ ] Rule 12h-3(b)(1)(ii) [ ] Rule 12g-4(a)(2)(i) [ ] Rule 12h-3(b)(2)(i) [ ] Rule 12g-4(a)(2)(ii) [ ] Rule 12h-3(b)(2)(ii) [ ] Rule 15d-6 [ ] Approximate number of holders of record as of the certification or notice date: one (1) holder of record. Pursuant to the requirements of the Securities Exchange Act of 1934, Tom Brown, Inc. has caused this certification/notice to be signed on its behalf by the undersigned duly authorized person. Date: May 24, 2004 By: /s/ DANIEL G. BLANCHARD ------------------ --------------------------------------- Name: Daniel G. Blanchard Title: Executive Vice President, Chief Financial Officer and Treasurer