Sierra Madre Gold and Silver Ltd. is pleased to announce that, further to the Company’s news release dated May 25, 2022, the Company has entered into an amended and restated share purchase agreement dated October 28, 2022 with First Majestic Silver Corp. in respect of its previously-announced acquisition of a 100% interest in the 39,714-hectare La Guitarra Silver-Gold Property in the Temascaltepec mining district, Mexico through the purchase of all the issued and outstanding shares of La Guitarra Compania Minera S.A. de C.V., a wholly-owned indirect Mexican subsidiary of First Majestic.