Products: Bars of various weights with a quality of 99.5% purity. -Accreditation: Certification of Mexican origin. - Delivery: In metallurgical analysis laboratory to be agreed. - First delivery: 30 days after the order is placed. - Total offer: From 100kg. of each of the minerals offered in bars, with monthly increases to be agreed. - Price and protocol of the sale and purchase operation: The price will be in accordance with the international price per ton published on the day of delivery of the material to the buyer on the site https://www.moneymetals.com/precious- metals-charts. In the understanding that the materials have an industrial production and refining process, 16% corresponding to the I.V.A. will be charged. as established by the general law of said tax on industrially refined products and goods for sale to the national market. Descuentos y comisiones: En material ya producido: Sobre el precio del d�­a por el total de cada entrega se har�¡ efectivo un descuento total del 7% distribuido de la siguiente forma: 4% directo al comprador, 1.5% directo a los enlaces de venta y 1.5% directo a los enlaces de compra. Discounts on material sold in advance: A total discount of 10% is offered on the price of the day distributed as follows: 7% direct to the buyer, 1.5% direct to the sales links and 1.5% direct to the purchase links. Form of payment under this sales dynamic: For this purpose, a 50% advance payment of the total cost of the first delivery of materials is required, which will be delivered within 40 days after receipt of said advance. The balance against delivery. Advances are guaranteed by bonds. -Procedure: The buyer will send a Letter of Purchase Intent or Purchase Order duly formalized with a text indicating their total acceptance of the offer and the conditions of sale set out here, a document with which the purchase sale operation will begin.