Mr. Sonny Janda reports

CORPORATE UPDATE: SIERRA & PRIMUS TERMINATE OPTION AGREEMENTS

Sierra Grande Minerals Inc. has mutually and formally terminated its property option agreements with Primus Resources LC relating to the Betty East, B&C Springs and Glitra/Satellite properties.

Primus has issued a confirmation notice of termination for the Betty East, B&C Springs and Glitra/Satellite property option agreements, resuming full control of those claims.

Sierra will continue to evaluate and pursue new mineral exploration and development opportunities that align with its growth strategy and have already identified key projects for consideration, including a large group of mineral claims in Pershing county, Nevada; additionally, the company's management team will be visiting several exploration projects in West Africa in Q4 (fourth quarter) 2025. The company looks forward to providing additional guidance to the market on these matters in the near future.

The company also announces that Ben Kramer-Miller has resigned as a director of Sierra, effective immediately. The board thanks Mr. Kramer-Miller for his contributions and wishes him success in his future endeavours. The resulting board of directors is Sonny Janda, Jared Scharf, Daryl Ware-Lane and Shaun Dykes.

We seek Safe Harbor.