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A New North American Silver-Gold Powerhouse
Contango Ore + Dolly Varden Silver: A Proposed Merger of Equals
(NYSE-A: CTGO, NYSE-A:DVS, TSX-V: DV)
The Contango Ore + Dolly Varden Silver proposed merger will create a new well-funded, high-grade silver and gold company. This merger unites four of the highest-grade silver and gold districts in North America, with assets ranging from cash-flowing production to advanced exploration which will allow investors to gain full exposure to a full pipeline of value creation projects.
The combined company will benefit from:
◉ Immediate cash flow from the producing Manh Choh Gold Mine (Alaska)
◉ Low-capex Direct Shipping Ore (DSO) development strategy
◉ Significant exploration upside across a multi-asset portfolio in Alaska and British Columbia
The transaction positions the combined entity among a scarce group of North American mid-tier silver-gold companies with scale, liquidity, and strong institutional support.
INVESTMENT & TRANSACTION HIGHLIGHTS

Alaska ranked Top 3 in overall investment attractiveness (Fraser Institute, 2025)

Manh Choh Mine - In Production (30%) Commercial production began Q3 2024, with ~60,000 GEO annual production (2025 guidance, 30% basis)

$100M cumulative cash delivered in 2025 from Manh Choh

Advanced Project Pipeline to become a mid-tier producer
| Complementary Assets | Creation of a North-American focused multi-stage silver and gold company, with an asset portfolio ranging from advanced-stage exploration to current production |
| Well-Funded | Over US$100 million combined cash on hand, only US$15 million in debt and annual cash flow from the producing high-grade Manh Choh gold mine in Alaska, operated in partnership with Kinross Gold Corporation |
| High-Grade Projects | Leverage to advanced-stage exploration assets anchored by the Lucky Shot and Johnson Tract projects in Alaska, and the Kitsault Valley silver-gold project in British Columbia — all strategically located near existing infrastructure supporting a Direct Ship Ore (“DSO”) approach |
| Shared Capex Strategy | Common development philosophy to pursue low-capex DSO projects that can be developed using existing processing facilities |
| Exploration Potential | Track-record of high-grade exploration success across the portfolio |
| Enhanced Capital Markets Profile | The combined company’s shareholders to benefit from greater critical mass with a combined market capitalization of approximately US$812 million (C$1.1 billion), as well as increased trading liquidity, index inclusion, research coverage and institutional ownership |
| Insider and Institutional Support | All directors and officers of Contango and Dolly Varden, as well as significant shareholders of both companies, have signed voting support agreements in favour of the Transaction, representing ~22% of the outstanding Contango shares and ~22% of the outstanding Dolly Varden shares |
| Expanded Presence | Listing on the NYSE American, and intention to apply to list on the Toronto Stock Exchange following closing of the Transaction |
ALASKA-BC FOCUSED PORTFOLIO
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MANH CHOH MINE (30%)
Production started Q3 2024
Fully permitted, producing gold mine generating meaningful free cash flow; ~60,000 GEO/yr (30% basis)
LUCKY SHOT MINE (100%)
Current Resource: M&I 106 koz at 14.5 g/t Au; Inferred 25 koz at 9.5 g/t Au
Fully permitted for mining & on road/rail system
Targeting initial 30-40k GEO/yr production in 2027/2028
JOHNSON TRACT PROJECT (100%)
Current Resource: M&I 1,053 koz at 9.4 g/t Au; Inferred 108 koz at 4.8 g/t Au
Initial Assessment completed May 2025; permitting and development underway
Compelling economics and FAST-41 permitting support
KITSAULT VALLEY PROJECT (100%)
Proven high-grade silver and gold district
Recent top-ranked drill results at Wolf Vein and Homestake (21.7m at 1,422 g/t Ag at Wolf; and 66.50m at 15.26 g/t Au at Homestake)
Major cornerstone land position in the Golden Triangle, BC

