Mr. Russell Starr reports

GREENRIDGE EXPLORATION ANNOUNCES ENTRY INTO OPTION AGREEMENT WITH THUNDER GOLD CORP. FOR THE ELECTRA NICKEL PROJECT

Greenridge Exploration Inc. has entered into an option agreement dated April 10, 2026, through its wholly owned subsidiary, ALX Resources Corp., with Thunder Gold Corp. whereby Thunder Gold can earn a 100-per-cent interest in the company's 4,571-hectare Electra nickel property. Electra is located contiguous to Thunder Gold's Tower Mountain property near Thunder Bay, Ont.

Pursuant to the agreement, Thunder Gold can earn a 100-per-cent interest in Electra by paying the company a total of $175,000 cash and issuing a total of one million common shares in the capital of Thunder Gold to the company over a 24-month term.

The agreement is subject to acceptance by the TSX Venture Exchange and the Canadian Securities Exchange.

Terms of the agreement

Total cash payments in the aggregate amount of $175,000 to be paid over two years as follows:

• $50,000 upon execution of the agreement;
• $50,000 on or before the 12-month anniversary of the effective date;
• $75,000 on or before the 24-month anniversary of the effective date.

Total share issuance of an aggregate one million common shares in the capital of Thunder Gold as follows:

• 200,000 common shares on the effective date;
• 300,000 common shares on or before the 12-month anniversary of the effective date;
• 500,000 common shares on or before the 24-month anniversary of the effective date.

There are no minimum expenditures required in any given year, and Thunder Gold has the right to cease making the cash payments or share issuances at any time, resulting in it earning no interest in Electra. Electra is subject to a 2.5-per-cent net smelter returns royalty (NSR) payable to an Ontario vendor group on the sale of valuable minerals from Electra. At any time, Greenridge shall have the right to purchase from the vendors up to 1.5 per cent of the NSR in 0.5-per-cent increments for $500,000 per 0.5-per-cent increment. All securities issued in connection with the agreement will be subject to a statutory hold period of four months and one day. No finders' fees were paid on this arm's length agreement.

About Greenridge Exploration Inc.

Greenridge Exploration is a mineral exploration company dedicated to creating shareholder value through the acquisition, exploration and development of critical mineral projects in Canada. The company owns or has interests in 23 projects and additional claims covering approximately 251,139 hectares with considerable exposure to potential uranium, gold, nickel and copper discoveries. The company is led by an experienced management team and board of directors with significant expertise in capital raising and advancing mining projects.

Greenridge has one of the largest uranium property portfolios in Canada consisting of 13 projects and additional prospective claims covering approximately 175,286 hectares. The company has opportunities to realize value in a further nine strategic metals projects which include gold, nickel and copper exploration properties totalling approximately 75,799 hectares. Property highlights include:

• The Black Lake uranium project, located in the northeast Athabasca basin (40 per cent Greenridge, 50.43 per cent Uranium Energy Corp., 8.57 per cent Orano Canada) saw a 2004 discovery hole (BL-18) return 0.69 per cent U3O8 (triuranium octoxide) over 4.4 metres.
• The Hook-Carter uranium project (20 per cent Greenridge, 80 per cent Denison Mines Corp.) is strategically located in the southwest margin of the Athabasca basin, sitting approximately 13 kilometres from NexGen Energy Ltd.'s Arrow deposit and approximately 20 km from Paladin Energy's Triple R deposit.
• The Gibbons Creek uranium project hosts high-grade uraniferous boulders located in 2013, with grades of up to 4.28 per cent U3O8 and the McKenzie Lake project saw a 2023 prospecting program return three samples which included 844 parts per million U total (0.101 per cent U3O8), 273 ppm U total and 259 ppm U total.
• The Nut Lake uranium project located in the Thelon basin includes historical drilling which intersected up to nine feet of 0.69 per cent U3O8 including 4.90 per cent U3O8 over one ft from eight ft depth. In 2024, Greenridge's prospecting program located a float sample that returned 31.13 per cent U3O8, sourced from the Tundra showing.
• The Firebird nickel project has seen two drill programs (seven holes totalling 1,339 m), where hole FN20-002 intersected 23.8 m of 0.36 per cent Ni and 0.09 per cent Cu, including 10.6 m of 0.55 per cent Ni and 0.14 per cent Cu.

The company has strategic partnerships which includes properties being operated and advanced by Denison Mines and Uranium Energy. The company's management team, board of directors and technical team brings significant expertise in capital raising and advancing mining projects and is poised to attract new investors and raise future capital.

We seek Safe Harbor.