CSE bulletin 2025-0518

Further to bulletin 2025-0511 and the company's news release dated May 6, 2025, Star Copper Corp.'s previously announced plan of arrangement became effective on May 9, 2025. Pursuant to the completion of the arrangement, each common share of Star Copper was exchanged for one identical replacement common share of Star Copper under a new ISIN and a new Cusip number.

Furthermore, Star Copper shareholders of record as at the close of business on May 8, 2025, will receive, for each existing common share of the company held on the record date, one-third of one common share under a new ISIN and a new Cusip number in the authorized capital of Alpha Copper.

For further information, please see the company's news release.

Issuer:  Star Copper

Symbol:  STCU

Old Cusip No.:  854937 10 9

Old ISIN:  CA 854937 10 9 1

Exchange:  replacement shares of Star Copper

Effective date of exchange:  May 9, 2025

New Cusip No.:  85512H 10 4

New ISIN:  CA 85512H 10 4 7

Distribution:  for each common share of Star Copper, one-third of one common share of Alpha Copper

Record date of distribution:  May 8, 2025

Anticipated payment date:  May 14, 2025

Alpha Copper Cusip No.:  02074C 10 0

Alpha Copper ISIN:  CA 02074C 10 0 5