1 - ------ FORM 4 - ------ U.S. SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP / / Check box if no longer subject to Filed pursuant to Section 16(a) of the Securities Section 16. Form 4 Exchange Act of 1934, Section 17(a) of the or Form 5 obligations Public Utility Holding Company Act of 1935 may continue. See or Section 30(f) of the Investment Company Instruction 1(b). Act of 1940 - ------------------------------------------------------------------------------------------------------------------------------------ 1. Name and Address of Reporting Person* 2. Issuer Name and Ticker or Trading Symbol 6. Relationship of Reporting Person to TELEDIFFUSION DE FRANCE INTERNATIONAL S.A. Crown Castle International Corp. DIGITAL FUTURE INVESTMENTS B.V.(1) TWRS Issuer (Check all applicable) - ------------------------------------------- -------------------------------------------- Director X 10% Owner (Last) (First) (Middle) 3. IRS or Social Security 4. Statement for ---- --- Number of Reporting Month/Year Officer (give Other (Specify 10 Rue d'Oradour-Sur-Glane Person (Voluntary) 7/99 ---- title --- below) - --------------------------------------------- N/A ------------------- below) (Street) -------------------- 5. If Amendment, __________________________________ Paris Cedex 15 France 75732 Date of Original 7. Individual or Joint/Group Filing - --------------------------------------------- (Month/Year) (Check Applicable Line) (City) (State) (Zip) 7/13/99 __ Form filed by One Reporting Person ------------ Form filed by more than one _X_ Reporting Person - ------------------------------------------------------------------------------------------------------------------------------------ TABLE 1 -- NON-DERIVATIVE SECURITIES ACQUIRED, DISPOSED OF, OR BENEFICIALLY OWNED - ------------------------------------------------------------------------------------------------------------------------------------ 1. Title of Security 2. Trans- 3. Transac- 4. Securities Acquired (A) 5. Amount of Se- 6. Owner- 7. Nature (Instr. 3) action tion or Disposed of (D) curities Benefi- ship of In- Date Code (Instr. 3, 4 and 5) cially Owned at Form: direct (Instr. 8) End of Month Direct Benefi- (Month/ (Instr. 3 and 4) (D) or cial Day/ --------------------------------------- Indirect Owner- Year) Code V Amount (A) or Price (I) ship (D) (Instr. 4) (Instr. 4) - ------------------------------------------------------------------------------------------------------------------------------------ Common Stock 6/10/99 P 5,395,539 A $12.63 34,179,039 (2) Direct N/A - ------------------------------------------------------------------------------------------------------------------------------------ Common Stock 6/10/99 P 125,066 A $13.00 34,304,105 (2) Direct N/A - ------------------------------------------------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------------------------------------------ *If the Form is filed by more than one Reporting Person, see Instruction 4(b)(v). Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. (Over) (Print or Type Responses) (Bulletin No. 177, 10-15-97)
2 FORM 4 (CONTINUED) TABLE II -- DERIVATIVE SECURITIES ACQUIRED, DISPOSED OF, OR BENEFICIALLY OWNED (E.G., PUTS, CALLS, WARRANTS, OPTIONS, CONVERTIBLE SECURITIES) - ------------------------------------------------------------------------------------------------------------------------------------ 1. Title of Derivative 2. Conver- 3. Trans- 4. Trans- 5. Number of 6. Date Exer- 7. Title and Amount 8. Price Security sion or action action Derivative cisable and of Underlying of (Instr. 3) Exercise Date Code Securities Ac- Expiration Securities Deriv- Price of (Month/ (Instr. 8) quired (A) or Date (Instr. 3 and 4) ative Deriv- Day/ Disposed of (D) (Month/Day/ Secur- ative Year) (Instr. 3, 4, Year) ity Security and 5) (Instr. 5) ----------------------------------- Date Expira- Amount or -------------------------- Exer- tion Title Number of Code V (A) (D) cisable Date Shares - ------------------------------------------------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------------------------------------------ 1. Title of Derivative 9. Number of 10. Ownership 11. Nature of Security Derivative Form of Indirect (Instr. 3) Securities Derivative Beneficial Beneficially Security: Ownership Owned at End Direct (D) (Instr. 4) of Month or Indirect (I) (Instr. 4) (Instr. 4) - ------------------------------------------------------------------------------------------------------- - ------------------------------------------------------------------------------------------------------- - ------------------------------------------------------------------------------------------------------- - ------------------------------------------------------------------------------------------------------- - ------------------------------------------------------------------------------------------------------- - ------------------------------------------------------------------------------------------------------- - ------------------------------------------------------------------------------------------------------- Explanation of Responses: (1) Digital Future Investments BV is an affiliate of Telediffusion de France Inernational S.A. (2) Includes shares issuable upon conversion of Digital Future Investments B.V.'s Castle Transmission International Ltd. shares. **Intentional misstatements or omissions of facts constitute Federal Criminal Violations. /s/ Michel Aribert 8/30/99 See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a). ------------------------------- ------- Managing Director Digital Future Investments B.V. Chairman TDF International **Signature of Reporting Person Date Note. File three copies of this Form, one of which must be manually signed. Page 2 If space provided is insufficient, see Instruction 6 for procedure. (Bulletin No. 177, 10-15-97)