Shareholders

I. Shareholders as of 31 Dec 2009

Name Shares Address Municipality City
SQM-A SQM-B TOTAL
Sociedad de inversionistas Pampa Calichera S.A. 57.934.256 7.544.215 65.478.471 El Trovador 4285 Piso 11 Las Condes Santiago
Inversiones el Boldo Ltda. 44.679.453 17.643.419 62.322.872 Av. Apoquindo 3721 Piso 13 Las Condes Santiago
The Bank of New York segun circular N 1375 de la SVS 0 55.734.253 55.734.253 Bandera 201 Santiago Santiago
Inversiones Rac Chile Limitada 19.200.242 2.699.773 21.900.015 Los Pensamientos 2150 Depto. 1 Piso 1 Providencia Santiago
Inv Global Mining Chile Ltda. 9.993.168 0 9.993.168 El Trovador 4285 Piso 11 Las Condes Santiago
Banchile C de S.A. 123.318 5.326.662 5.449.980 Agustinas 975 Of. 211 Santiago Santiago
Bolsa de Comercio de Santiago Bolsa de Valores 3.805.371 729.421 4.534.792 La Bolsa 64 Santiago Santiago
Inv. La Esperanza Chile Ltda. 3.693.977 0 3.693.977 Augusto Leguia Sur 160 Of. 82 Las Condes Santiago
AFP Provida S.A. para Fdo. Pension C 0 2.900.035 2.900.035 Pedro de Valdivia 100 piso 7 Providencia Santiago
Banco ITAU por cuenta de inversionistas 0 2.699.773 2.699.773 Avda. Apoquindo 3457 piso 8 Las Condes Santiago
AFP Capital S.A. fondo de pensión tipo C 0 2.242.292 2.242.292 Suecia 211 piso 13 Providencia Santiago
AFP Habitat S.A. para fdo. pensión C 0 2.138.192 2.138.192 Avda. Providencia 1909 Providencia Santiago
Banco de Chile por cuenta de terceros S.A. 0 2.071.585 2.071.585 Ahumada 251 Santiago Santiago
Celfin Capital S.A. C de B 91.167 1.525.535 1.616.702 Av. Apoquindo 3721 piso 9 Las Condes Santiago
Banco Santander por cuenta de Inv Extranjeros. 0 1.609.906 1.609.906 Matias Cousiño 167 piso 1 Santiago Santiago
Larrain Vial S.A. Corredora de Bolsa 49.503 1.546.368 1.595.871 Av. El Bosque Norte 0177 piso 4 Las Condes Santiago
Kowa Co. Ltd 781.429 0 781.429 Augusto Leguia Sur 160 Off. 82 Las Condes Santiago
Kochi S.A. 714.084 50.000 764.084 Augusto Leguia Sur 160 Off. 82 Las Condes Santiago
Inversiones Rentamax Limitada 153.000 169.130 322.130 Avda. Presidente Errazuriz 4080 Las Condes Santiago
La Esperanza Delaware Corporation 207.550 0 207.550 Augusto Leguia Sur 160 Off. 82 Las Condes Santiago
Inmoby Comercial Recoleta Sur Lt. 97.572 65.577 163.149 Recoleta 348 piso 5 Recoleta Santiago

II. Shareholders agreement


On December 21, 2006. Sociedad de Inversiones Pampa Calichera S.A. and Kowa Company Ltd. Signed a "Joint Performance Agreement" essentially in relation to (a) the manner in which shares SQM S.A. are voted in Shareholders Meeting and (b) the eventual joint sale of said shares. The "Joint Performance Agreement" was modified on April 3, 2008 in order to further detail points related to the above letter (a).

Note: A complete list is available to shreholders at the offices to the DCV, Huerfanos 770, Fl. 22, Santiago (T. +56-2-393-9000), or by writing to ir@sqm.com.