Mr. Darryl Jones reports

STAR COPPER ANNOUNCES UPSIZE TO FLOW THROUGH FINANCING

Star Copper Corp., further to its news release dated Feb. 17, 2026, has upsized and amended the terms of its previously announced non-brokered private placement of flow-through (FT) shares for gross proceeds of up to $5-million.

The company will additionally offer: (i) 800,000 flow-through shares in the capital of the company at a price of $1.25 per share pursuant to the FT share offering for aggregate gross proceeds of $1-million; and (ii) 1,156,069 flow-through units of the company to charitable purchasers at a price of $1.73 per FT unit for aggregate gross proceeds of up to $2-million.

Each FT unit will comprise one FT share issued as a flow-through share, as defined in Subsection 66(15) of the Income Tax Act (Canada), and one transferable common share purchase warrant. Each warrant will also qualify as a flow-through share (as defined in Subsection 66(15) of the tax act). Each warrant will entitle the holder to purchase one non-flow-through common share of the company for a period of two years at a price of $1.75 per warrant share.

The FT unit offering is being conducted concurrently with and in addition to the company's FT share offering, which will proceed as announced on Feb. 17, 2026, save for the upsize.

Use of proceeds

The gross proceeds from the offering will be used to incur Canadian exploration expenses that are flow-through critical mineral mining expenditures, within the meaning of the tax act, on the company's flagship Star project in British Columbia. The company expects the flow-through funds to directly support an aggressive 2026 drill program, including expanded stepout drilling, deeper testing of priority targets, and follow-up drilling guided by continuing three-dimensional geological modelling and planned deep-penetrating 3-D geophysics.

Offering terms and closing

The company anticipates closing the offering on or about March 20, 2026 or such other date as the company may determine, subject to the satisfaction of customary closing conditions, including the receipt of all necessary regulatory approvals. The company may pay finders' fees in connection with the offering in accordance with applicable securities laws and the policies of the Canadian Securities Exchange. All securities issued pursuant to the offering will be subject to a statutory hold period in accordance with applicable Canadian securities laws and the policies of the CSE.

About Star Copper Corp.

Star Copper is an exploration and development company focused on developing high-potential copper projects in mining-friendly jurisdictions. The company aims to advance its 100-per-cent-owned Star project in British Columbia's prolific Golden Triangle and Sheslay district. The Star project hosts multiple copper-gold porphyry-style targets, including Star Main, Star North and Copper Creek. Significant exploration, including historical drilling, has confirmed open mineralization at depth and in all directions. Star Copper's strategic plans include geological mapping and geophysical surveys to refine existing targets, diamond drilling programs to test high-priority zones, environmental baseline studies, and permitting groundwork alongside data analysis and resource modelling to support a future resource estimate prepared in accordance with National Instrument 43-101. The company further plans to advance its Indata project with follow-up drilling to expand on previous high-grade copper and gold intercepts, trenching and surface sampling to delineate mineralized zones, and infrastructure improvements for site accessibility and operations. With a commitment to sustainable development and value creation, Star Copper aims to position itself to support surging industrial demand to meet growing global electrification needs.

We seek Safe Harbor.