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Dear Participants,
Depósito Central de Valores informs you that today, October 15, 2025,the second and final period of the Preferential Offer process of GRUPO NORTE (Norte Grande, Nitratos, Calichera, Potasios, Oro Blanco) ends.
Regarding the observed dollar price, this information is valid only for today, October 15, 2025: Observed dollar price: $963,69.
| Issuer | Series | Shares subscription price in USD | Equivalent to subscribe in CLP for today |
| Nitratos de Chile S.A. | NITRATOS | USD $0,0022 | $2,120118 |
| Sociedad de Inversiones Oro Blanco S.A. | OROBLANCO | USD $0,0047 | $4,529343 |
| Norte Grande S.A. | NORTEGRAN | USD $0,0058 | $5,589402 |
| Potasios de Chile S.A. | POTASIOS-A | USD $0,1819 | $175,295211 |
| POTASIOS-B | USD $0,0770 | $74,20413 | |
| Sociedad de Inversiones Pampa Calichera S.A. | CALICHERAA | USD $0,4943 | $476,351967 |
| CALICHERAB | USD $0,5082 | $489,747258 |
Payment requests must be issued to:
| Account in USD | |||
| Business Name | ID number | Bank | USD current account |
| Norte Grande S.A. | 96.529.340-K | Banco Security | 917746643 |
| Sociedad de Inversiones Oro Blanco S.A. | 96.532.830-0 | Banco Security | 917746625 |
| Sociedad de Inversiones Pampa Calichera S.A. | 96.511.530-7 | Banco Security | 916829447 |
| Nitratos de Chile S.A. | 76.184.068-1 | Banco Security | 917739710 |
| Potasios de Chile S.A. | 76.165.311-3 | Banco Security | 917422860 |
| Account in CLP | |||
| Business Name | ID number | Bank | CLP current account |
| Norte Grande S.A. | 96.529.340-K | Banco Security | 928660636 |
| Sociedad de Inversiones Oro Blanco S.A. | 96.532.830-0 | Banco Security | 928660645 |
| Sociedad de Inversiones Pampa Calichera S.A. | 96.511.530-7 | Banco Security | 928660627 |
| Nitratos de Chile S.A. | 76.184.068-1 | Banco Security | 928660618 |
| Potasios de Chile S.A. | 76.165.311-3 | Banco Security | 928664690 |
