=============================================================================== /------------------------------/ / OMB APPROVAL / /------------------------------/ / OMB Number: 3235-0287 / / Expires: December 31, 2001 / / Estimated average burden / / hours per response...... 0.5 / /------------------------------/ +--------+ | FORM 4 | U.S. SECURITIES AND EXCHANGE COMMISSION +--------+ WASHINGTON, D.C. 20549 [_] Check this box if no longer subject STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP to Section 16. Form 4 or Form 5 Filed pursuant to Section 16(a) of the Securities obligations may Exchange Act of 1934, Section 17(a) of the continue. See Public Utility Holding Company Act of 1935 or Instruction 1(b). Section 30(f) of the Investment Company Act of 1940 (Print or Type Responses) -------------------------------------------------------------------------------- 1. Name and Address of Reporting Person* SCHROTT MARK -------------------------------------------------------------------------------- (Last) (First) (Middle) c/o Crown Castle International Corp. 510 Bering, Suite 500 -------------------------------------------------------------------------------- (Street) Houston Texas 77057 -------------------------------------------------------------------------------- (City) (State) (Zip) 2. Issuer Name and Ticker or Trading Symbol CROWN CASTLE INTERNATIONAL CORP. (CCI) --------------------------------------- 3. I.R.S. Identification Number of Reporting Person, if an entity (voluntary) -------------- 4. Statement for Month/Year August 2002 --------------------------------------------------- 5. If Amendment, Date of Original (Month/Year) --------------------------------- 6. Relationship of Reporting Person(s) to Issuer (Check all applicable) ___ Director X Officer ___ 10% Owner ___ Other (give title below) (specify below) Senior Vice President -- Corporate Controller ---------------------------------------------------------------- 7. Individual or Joint/Group Filing (Check Applicable Line) X Form filed by One Reporting Person ____ Form filed by More than One Reporting Person Table I--Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. *If the form is filed by more than one person, see Instruction 4(b)(v) Potential persons who are to respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number. Table II--Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)

Table II--Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)

Explanation of Responses: /s/ MARK SCHROTT 8/20/02 ------------------------------- ----------------- **Signature of Reporting Person Date MARK SCHROTT ** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a). Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure. Potential persons who are to respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

SCHROTT MARK 4