TSX-V: ALR

COPPER AND GOLD IN THE AMERICAS

This press release contains forward-looking statements under Canadian securities legislation. Forward-looking statements include, but are not limited to, statements with respect to the development potential and timetable of the Mali projects; the Company’s ability to raise additional funds as necessary; the future price of gold; the estimation of mineral resources; conclusions of economic evaluation (including scoping studies); the realization of mineral resource estimates; the timing and amount of estimated future production, development and exploration; costs of future activities; capital and operating expenditures; success of exploration activities; mining or processing issues; currency exchange rates; government regulation of mining operations; and environmental risks. Generally, forward-looking statements can be identified by the use of forward-looking terminology such as “plans”, “expects” or “does not expect”, “is expected”, “budget”, “scheduled”, “estimates”, “forecasts”, “intends”, “anticipates” or “does not anticipate”, or “believes”, or variations of such words and phrases or statements that certain actions, events or results “may”, “could”, “would”, “might” or “will be taken”, “occur” or “be achieved”. Forward-looking statements are based on the opinions and estimates of management as of the date such statements are made. Estimates regarding the anticipated timing, amount and cost of mining at the Mali projects are based on assumptions underlying mineral resource estimates and the realization of such estimates; results of previous mining activities at the projects, and detailed research and analysis completed by independent of the Company; research and estimates regarding the timing of delivery for long-lead items; knowledge regarding the factors consultants and management involved in building a mine and other factors that will be described in the technical report summarizing the scoping study that will be filed under the profile of the Company on SEDAR. Capital and operating cost estimates are based on results of previous mining activities, research of the Company and independent consultants, recent estimates of construction and mining costs and other factors that are set out in the scoping study. Production estimates are based on mine plans and production schedules, which have been developed by the Company’s personnel and independent consultants. Forward-looking statements are subject to known and unknown risks, uncertainties and other factors that may cause the actual results, level of activity, performance or achievements of the Company to be materially different from those expressed or implied by such forward-looking statements, including but not limited to risks related to: timing and availability of external financing on acceptable terms; unexpected events and delays during construction, expansion and start-up; variations inore grade and recovery rates; receipt and revocation of government approvals; actual results of exploration and mining activities; changes in project parameters as plans continue to be refined; future prices of gold; failure of plant, equipment or processes to operate as anticipated; accidents, labour disputes and other risks of the mining industry. Although management of the Company has attempted to identify important factors that could cause actual results to differ materially from those contained in forward-looking statements, there may be other factors that cause results not to be as anticipated, estimated or intended. There can be no assurance that such statements will prove to be accurate, as actual results and future events could differ materially from those anticipated in such statements. Accordingly, readers should not place undue reliance on forward-looking statements. The Company does not undertake to update any forward-looking statements except in accordance with applicable securities laws. The technical and scientific information included herein has been reviewed by Joseph Arengi, President and CEO of the Company, and a qualified person under National Instrument 43-101 of the Canadian Securities Administrators.

Forward Looking Statements

Why Alder?

• Experienced team with proven track record • Strong Central America experience • Excellent exploration upside at Rosita, a past producer • 33 km2 target-rich property with Copper-Gold-Silver Porphyry/Skarn potential

The Alder Team Management • Joseph Arengi , M. Sc., P. Geo. – President and CEO

• 35 years of exploration and operational experience throughout Canada, Central America, South America and Africa. Credited with discovering 4 billion pounds of copper and 60 million ounces of silver in the Kalahari Copper Belt of northwest Botswana while at Hana Mining Ltd. Regional Exploration Manager of Central America and the Caribbean Basin for Aur Resources Inc. Extensive consulting experience in the Mining Triangle of northeast Nicaragua, an area that includes the Rosita copper district.

• Ryan Ptolemy – CFO • Josh van Deurzen – Corporate Secretary

Board of Directors • Don Dudek, Chairman • Rene Bharti • Dan Bruno • Honourable Pierre Pettigrew, P.C. • Will Randall – Director

Share Structure and Trading

TSX-V: ALR

ALR Share Structure:

Common Shares: 40,675,047

Current share price : $0.115

Warrants: 6,030,666

Average warrant price ($/share): $0.25

Options: 3,790,000

FULLY DILUTED SHARES: 50,495,713

Insiders/Institutional Holders: 8%

Share Trading Activity:

52 week High/Low ($/share): $0.065/0.54

Market capitalization: $4,677,630

Cash Balance: $1.0M

Debt: None

Why Nicaragua? • Largest and safest country in Central America • Stable, supportive and democratically elected government • Attractive tax regime; 3% NSR, 30% Net Profits Tax • Long mining history with 3 currently producing gold mines:

• La Libertad, El Limon Mines (B2Gold) • Bonanza Mine (Hemco)

• Recent Economist article praising investment changes • Macroeconomic stability • Largest share of direct foreign investment in Central America • Long-term tax exemptions

Rosita Project

•120 km to Puerta Cabezas •275 km to capital city of Managua

Copper in Central America

Rosita details • Past producer from two open pits – Santa Rita and R-13

• 245M lbs Copper • 160,000 ounces Gold • 2,610,000 ounces Silver

• Early mining focused on high grade copper with 2% copper initial cut-off

• First gold recovery during last 5 years of production • 3,356 ha property with existing120 km road to port

Geology and Prospects

Historic Resources (Non-NI 43-101 compliant)

Target-Rich Project Santa Rita and R-13 Pits:

• 0.96%Cu, 1.06 g/t Au, 9.33 g/t Ag/12.0m in trench at Santa Rita • 2.95%Cu, 0.34 g/t Au, 35.31 g/t Ag/18.3m in ddh below Santa

Rita Bambana: • Cu-Au-Ag Porphyry and Skarn targets • 500m x 1000m untested soil anomaly with coincident IP anomalies

Dumps: • Grades from systematic vertical channel sampling by Alder

returned 0.55%Cu, 0.47 g/t Au and 8.73 g/t Ag

Santa Rita Pit – Vertical Channel Samples

• Average values of up to 2.27% Cu, 2.37 g/t Au and 24.60 g/t Ag

• Average for 17 traverses are 0.55% total Cu, 0.47 g/t Au and 8.73 g/t Ag

Santa Rita Pit – Historic Intercepts

Santa Rita Pit – Historic Intercepts*

* Non-NI 43-101 compliant

Upside Potential

Open

Open

Open

Bambana Porphyry Cu-Ag

400m X 900m Cu anomaly Bambana DDH Section

Exploration Objectives at Rosita

2012

• Complete 4,000m of RC drilling in Q1 and Q2 • Complete 8,000m of core drilling in Q2, Q3 and Q4 • Preliminary Metallurgical Study of Dumps in Q1 • Initial Resource for dump material Qtr 2

Exploration Timeline

Milestone Qtr 1/12 Qtr 2/12 Qtr 3/12 Qtr 4/12

Trenching – Bambana/R-13

Preliminary Metallurgical Studies

Geophysics (IP survey)

Initial Resource Calculation - Dumps

RC Drilling

Diamond drilling

Summary

• Aggressive exploration program underway on high quality targets

• Excellent exploration upside at Rosita • Highly experienced team with Central America focus

Addendum

Santa Rita Pit and Dumps

Santa Rita Dumps

Au-rich dump on south side of pit

2.01 g/t Au, 4.3 g/t Ag, 0.67% Cu from vertical channel in Au-rich dump

Bambana Porphyry Cu

BB10-001 (88.5m) - 0.60% Cu, 14.1 g/t Ag/2.0m within 0.43%Cu, 6.54 g/t Ag over 42.0m