Regulus Adopts Shareholder Rights Plan and Provides Project Update

Executive Summary

• Regulus Resources Inc. adopted a shareholder rights plan effective March 30, 2026 to protect against creeping bids and potential take‑over attempts.
• The plan requires TSX Venture Exchange approval and shareholder ratification at the 2026 annual meeting (to be held in Q2 2026).
• The company provided project updates on the AntaKori integrated sulphide copper‑gold resource estimate, bio‑leaching trials with Nuton LLC, and permitting activities in Peru.

Key Details

• Rights Plan attaches one right to each outstanding common share; rights become exercisable if any party acquires ≥20 % of shares without complying with “Permitted Bid” provisions.
• Exercising holders (excluding the acquiring party) may purchase additional shares at a 50 % discount to market price.
• The plan is subject to TSX Venture Exchange approval and must be ratified by shareholders within six months of adoption; otherwise it terminates.
• Initial term of the Rights Plan is three years after shareholder ratification.
• Regulus continues work with Coimolache on the Tantahuatay‑AntaKori integrated sulphide project, aiming to complete the Mineral Resource Estimate (MRE).
• Ongoing evaluation of Nuton’s proprietary sulphide bio‑leaching technology at AntaKori; final column results and mass balance calculations expected in coming months.
• Completed ground geochemical sampling and magnetics survey on claims where Regulus can earn up to a 60 % interest from Gold Fields Ltd.; permits are being pursued with local community and Peruvian authorities.

Notable Quotes

• “The Rights Plan is designed to ensure that all Regulus shareholders are treated fairly in connection with any take‑over bid and to protect against ‘creeping bids’.” – John Black, CEO and Director.