SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G/A Under the Securities Exchange Act of 1934* (Amendment No.1)* Lan Airlines S.A. ----------------- (Name of Issuer) Shares of Common Stock without par value ---------------------------------------- (Title of Class of Securities) Not Applicable -------------- (CUSIP Number) 12/31/04 -------- (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this Schedule is filed: |_| Rule 13d-1(b) |_| Rule 13d-1(c) |X| Rule 13d-1(d) *The remainder of this cover page shall be filled out for a reporting person's initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter the disclosures provided in a prior cover page. The information required in the remainder of this cover page shall not be deemed to be "filed" for the purpose of Section 18 of the Securities Exchange Act of 1934 ("Act") or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).------------------------------- CUSIP No. Not applicable 13G ------------------------------- 1. NAME OF REPORTING PERSONS S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS Tres Mares S.A. 2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) |_| (b) |X| 3. SEC USE ONLY 4. CITIZENSHIP OR PLACE OF ORGANIZATION Chile 5. SOLE VOTING POWER NUMBER OF SHARES 23,480,593 BENEFICIALLY OWNED 6. SHARED VOTING POWER BY EACH REPORTING - 0 - PERSON WITH 7. SOLE DISPOSITIVE POWER 23,480,593 8. SHARED DISPOSITIVE POWER - 0 - 9. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 23,480,593 10. CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* |_| 11. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 7.4% 12. TYPE OF REPORTING PERSON* CO *SEE INSTRUCTIONS BEFORE FILLING OUT! ------------------------------- CUSIP No. Not applicable 13G ------------------------------- 1. NAME OF REPORTING PERSONS S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS Boris Hirmas Said 2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) |_| (b) |X| 3. SEC USE ONLY 4. CITIZENSHIP OR PLACE OF ORGANIZATION Chile 5. SOLE VOTING POWER NUMBER OF SHARES -0- BENEFICIALLY OWNED 6. SHARED VOTING POWER BY EACH REPORTING 23,480,593 PERSON WITH 7. SOLE DISPOSITIVE POWER -0- 8. SHARED DISPOSITIVE POWER 23,480,593 9. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 23,480,593 10. CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* |_| 11. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 7.4% 12. TYPE OF REPORTING PERSON* IN *SEE INSTRUCTIONS BEFORE FILLING OUT! ------------------------------- CUSIP No. Not applicable 13G ------------------------------- 1. NAME OF REPORTING PERSONS S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS Maria Pia Hirmas Said 2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) |_| (b) |X| 3. SEC USE ONLY 4. CITIZENSHIP OR PLACE OF ORGANIZATION Chile 5. SOLE VOTING POWER NUMBER OF SHARES -0- BENEFICIALLY OWNED 6. SHARED VOTING POWER BY EACH REPORTING 23,480,593 PERSON WITH 7. SOLE DISPOSITIVE POWER -0- 8. SHARED DISPOSITIVE POWER 23,480,593 9. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 23,480,593 10. CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* |_| 11. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 7.4% 12. TYPE OF REPORTING PERSON* IN *SEE INSTRUCTIONS BEFORE FILLING OUT! ------------------------------- CUSIP No. Not applicable 13G ------------------------------- 1. NAME OF REPORTING PERSONS S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS Paola Hirmas Said 2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) |_| (b) |X| 3. SEC USE ONLY 4. CITIZENSHIP OR PLACE OF ORGANIZATION Chile 5. SOLE VOTING POWER NUMBER OF SHARES -0- BENEFICIALLY OWNED 6. SHARED VOTING POWER BY EACH REPORTING 23,480,593 PERSON WITH 7. SOLE DISPOSITIVE POWER -0- 8. SHARED DISPOSITIVE POWER 23,480,593 9. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 23,480,593 10. CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* |_| 11. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 7.4% 12. TYPE OF REPORTING PERSON* IN *SEE INSTRUCTIONS BEFORE FILLING OUT! ------------------------------- CUSIP No. Not applicable 13G ------------------------------- 1. NAME OF REPORTING PERSONS S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS Emilia Said de Hirmas 2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) |_| (b) |X| 3. SEC USE ONLY 4. CITIZENSHIP OR PLACE OF ORGANIZATION Chile 5. SOLE VOTING POWER NUMBER OF SHARES -0- BENEFICIALLY OWNED 6. SHARED VOTING POWER BY EACH REPORTING 23,480,593 PERSON WITH 7. SOLE DISPOSITIVE POWER -0- 8. SHARED DISPOSITIVE POWER 23,480,593 9. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 23,480,593 10. CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* |_| 11. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 7.4% 12. TYPE OF REPORTING PERSON* IN *SEE INSTRUCTIONS BEFORE FILLING OUT! Item 1(a). Name of Issuer: --------- Lan Airlines S.A. ("Lan Airlines") Item 1(b). Address of Issuer's Principal Executive Offices: --------- Avenida Americo Vespucio Sur 901, Comuna de Renca, Santiago, Chile Item 2(a). Name of Persons Filing: ---------- This Statement is filed, pursuant to Rule 13d-1(k)(1) under the Securities Exchange Act of 1934, as amended (the "Exchange Act"), by the persons listed below (the "Reporting Persons"). (1) Tres Mares S.A. (2) Boris Hirmas Said (3) Maria Pia Hirmas Said (4) Paola Hirmas Said (5) Emilia Said de Hirmas As of December 31, 2004, Boris Hirmas Said, Maria Pia Hirmas Said, Paola Hirmas Said and Emilia Said de Hirmas held their beneficial ownership interests in Lan Airlines through Tres Mares S.A., which is a shareholder of Lan Airlines. Tres Mares S.A. is owned by Boris Hirmas Said, Maria Pia Hirmas Said, Paola Hirmas Said and Emilia Said de Hirmas. Item 2(b). Address of Principal Office or, if None, Residence: --------- (1) Avenida Vitacura 5093, Oficina 504, Santiago, Chile. (2) Americo Vespucio Norte 520, Oficina 202, Las Condes, Santiago, Chile. (3) Americo Vespucio Norte 520, Oficina 202, Las Condes, Santiago, Chile. (4) Americo Vespucio Norte 520, Oficina 202, Las Condes, Santiago, Chile. (5) Americo Vespucio Norte 520, Oficina 202, Las Condes, Santiago, Chile. Item 2(c). Citizenship or Place of Organization: --------- See Item 4 on pages 2 through 6. Item 2(d). Title of Class of Securities: --------- Shares of Common Stock without par value. Item 2(e). CUSIP Number: --------- Not Applicable Item 3. Not Applicable ------- Item 4. Ownership: ------- (a) Amount beneficially owned: See Item 9 on pages 2 through 6. (b) Percent of class: See Item 11 on pages 2 through 6. (c) Number of shares as to which such person has: (i) Sole power to vote or to direct the vote: See Item 5 on pages 2 through 6. (ii) Shared power to vote or to direct the vote: See Item 6 on pages 2 through 6. (iii) Sole power to dispose or to direct the disposition of: See Item 7 on pages 2 through 6. (iv) Shared power to dispose or to direct the disposition of: See Item 8 on pages 2 through 6. Item 5. Ownership of Five Percent or Less of a Class: ------ Not Applicable Item 6. Ownership of More than Five Percent on Behalf of Another Person: ------ Not Applicable Item 7. Identification and Classification of the Subsidiary Which Acquired ------ the Security Being Reported on by the Parent Holding Company: Not Applicable Item 8. Identification and Classification of Members of the Group: ------ Not Applicable Item 9. Notice of Dissolution of Group: ------- Not Applicable Item 10. Certification: -------- Not Applicable This filing amends the information previously filed by the Reporting Persons on Schedule 13G on March 5, 2003. SIGNATURE After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct. TRES MARES S.A. February 11, 2005 By: /s/ BORIS HIRMAS SAID --------------------------- Name: Boris Hirmas Said Title: Legal Representative By: /s/ BORIS HIRMAS SAID -------------------------- February 11, 2005 Boris Hirmas Said MARIA HIRMAS SAID By: /s/ BORIS HIRMAS SAID February 11, 2005 -------------------------- Name: Boris Hirmas Said Title: Legal Representative PAOLA HIRMAS SAID By: /s/ BORIS HIRMAS SAID February 11, 2005 -------------------------- Name: Boris Hirmas Said Title: Legal Representative EMILIA SAID DE HIRMAS By: /s/ BORIS HIRMAS SAID February 11, 2005 -------------------------- Name: Boris Hirmas Said Title: Legal Representative Index of Exhibits Exhibit No. Description ----------- ----------- 1 Joint Filing Agreement by and among Tres Mares S.A., Boris Hirmas Said, Maria Pia Hirmas Said, Paola Hirmas Said and Emilia Said de Hirmas.+ 2 Power of Attorney by Tres Mares S.A., Maria Pia Hirmas Said, Paola Hirmas Said and Emilia Said de Hirmas. --------------------------------------- + Incorporated by reference to the Schedule 13G for the Reporting Persons, File No. 005-50478, filed on March 5, 2003.
Exhibit 1 POWER OF ATTORNEY Tres Mares S.A., a sociedad anonima organized under the laws of the Republic of Chile, Maria Pia Hirmas Said, Paola Hirmas Said and Emilia Said de Hirmas (together the "Hirmas Group") each hereby appoint Boris Hirmas Said (the "Attorney-in-Fact") as legal representative to execute for and on behalf of the Hirmas Group, all Schedules 13G under the Securities Exchange Act of 1934, as amended, and any and all amendments thereto, and to file the same, with all exhibits thereto, and other documents in connection therewith, with the Securities and Exchange Commission and relevant stock exchanges (individually, each a "Filing"). The undersigned acknowledges that the Attorney-in-Fact, in serving in such capacity at the request of the undersigned, is not assuming any of the undersigned's responsibilities to comply with Section 13 of the Securities Exchange Act of 1934. The powers hereby conferred upon the Attorney-in-Fact shall continue in force until notice of the revocation of this Power of Attorney has been received by the Attorney-in-Fact. IN WITNESS WHEREOF, the undersigned has hereunto subscribed this Power of Attorney this 11th day of February 2005. [Signature pages follow]TRES MARES S.A. February 11, 2005 By: /s/ BORIS HIRMAS SAID ---------------------------- Name: Boris Hirmas Said Title: Legal Representative By: /s/ MARIA HIRMAS SAID ---------------------------- February 11, 2005 Maria Pia Hirmas Said By: /s/ PAOLA HIRMAS SAID ---------------------------- February 11, 2005 Paola Hirmas Said By: /s/ EMILIA SAID DE HIRMAS ---------------------------- February 11, 2005 Emilia Said de Hirmas