Arizona Mining Reports Significant Step-Out Holes Targeting the Up-Dip Extent of Taylor Deeps Zone

The results from HDS-446 and HDS-447, coupled with the results from HDS-435 (1500 foot step-out hole -- see Press Release dated April 20, 2017), indicate this up-dip area of the Taylor Deeps Zone will have a significant impact on the overall grade of the zone and mine plan for the deposit. The latest drill results continue to indicate the size potential and robust grade of the expanded Taylor Deeps Zone as it continues to grow to the southeast. In addition to expanding the Taylor Deeps Zone, HDS-446 and HDS-447 were successful in expanding the Epitaph-hosted mineralization approximately 1,000 feet to the southeast from the previously modelled resource (see Figure 3).

Drill holes targeting the Trench Vein System have encountered mixed results. As expected, the vein swarms pinch and swell along strike, however the drilling has encountered some significant mineralization, especially with respect to silver.

COO Don Taylor commented: "The drill results from HDS-446 and HDS-447, coupled with those from HDS-435, clearly indicate the enormous size potential for the Taylor Deeps Zone. In addition to the size potential of the Deeps, the silver grades intersected to date are 3 to 4 times higher than the average for the deposit. We continue to add drill resources to this area to accelerate its definition as the results could have a very significant impact on our mine plan in the early years of development."

HDS-446 is a vertical drill hole targeting the extension of the previously reported Taylor Deeps mineral resource and the recently reported intercepts reported from HDS-435. The drill hole encountered a thin interval of Taylor Sulfide mineralization and a very significant mineralized horizon in the Taylor Deeps Sulfide Zone. Most notable among the mineralized horizons is:

• 67 feet assaying 20.5% zinc; 18.1% lead; and 7.5 ounces per ton ("opt") silver (Taylor Deeps Zone - "TDS")

HDS-447 is a vertical drill hole located between HDS-446 and HDS-435 (see Figure 2 and Figure 3). HDS-447 intersected three veins; two Taylor Sulfide intervals and a very robust mineralized sulfide interval in the Taylor Deeps Zone. The mineralization in HDS-447 included:

• 149 feet assaying 4.7% zinc; 6.2% lead; and 4.3 opt silver (TDS)
  - Including a 43 foot zone which assayed 11.4% zinc; 18.6% lead; and 12.3 opt silver
• 61 feet assaying 2.4% zinc; 1.8% lead; and 2.0 opt silver (TS)

For a full list of the Trench Vein, Taylor Sulfide and Taylor Deeps Sulfide mineralized intervals from these holes please refer to Table I.

Qualified Person

The results of the Arizona Mining Inc. drilling have been reviewed, verified and compiled by Donald R. Taylor, MSc., PG, Chief Operating Officer for Arizona Mining Inc., a qualified person as defined by National Instrument 43-101 (NI 43-101). Mr. Taylor has more than 25 years of mineral exploration and mining experience, and is a Registered Professional Geologist through the SME (registered member #4029597).

Assays and Quality Assurance/Quality Control

To ensure reliable sample results, the Company has a rigorous QA/QC program in place that monitors the chain-of-custody of samples and includes the insertion of blanks, duplicates, and certified reference standards at statistically derived intervals within each batch of samples. Core is photographed and split in half with one-half retained in a secured facility for verification purposes.

Sample preparation (crushing and pulverizing) has been performed at ALS Minerals Laboratories, an ISO/IEC accredited lab located in Tucson, Arizona. ALS Minerals Laboratories prepares a pulp of all samples and sends the pulps to their analytical laboratory in Vancouver, B.C. Canada for analysis. ALS analyzes the pulp sample by ICP following a 4-acid digestion (ME-ICP61 for 33 elements) including Cu (copper), Pb (lead), and Zn (zinc). All samples in which Cu (copper), Pb (lead), or Zn (zinc) are greater than 10,000 ppm are rerun using four acid digestion with an ICP - AES finish (Cu-OG62; Pb-OG62; and Zn-OG62) with the elements reported in percentage (%). Silver values are determined by ICP (ME-ICP61) with all samples with silver values greater than 100 ppm repeated using four acid digestion with an ICP-AES finish (Ag-OG62) calibrated for higher levels of silver contained. Any values over 1,500 ppm Ag trigger a fire assay with gravimetric finish analysis. Gold values are determined by a 30 gm fire assay with an ICP-AES finish (Au-ICP21).

About Arizona Mining

Arizona Mining Inc. (an augustagroup company) is a Canadian mineral exploration and development company focused on the exploration and development of its 100%-owned Hermosa Project located in Santa Cruz County, Arizona. The Taylor Deposit, a zinc-lead-silver carbonate replacement deposit, has a resource of 8.6 million tons in the Measured Mineral Resource category grading 4.2% zinc, 4.0% lead and 1.6 opt silver, or 9.7% ZnEq, plus 63.8 million tons in the Indicated Mineral Resource category grading 4.5% zinc, 4.4% lead and 1.9 opt silver, or 10.6% ZnEq, and 38.6 million tons of Inferred Mineral Resources grading 4.4% zinc, 4.2% lead and 3.1 opt silver or 11.6% ZnEq, all reported in accordance with NI 43-101 guidelines utilizing a 4% ZnEq cutoff grade. A preliminary economic assessment was completed in April, 2017 which showed a 42% IRR, a US$1.26 billion NPV_8% and a 1.7 year payback based on long term metal price assumptions of $1.10/lb zinc, $1.00/lb lead and $20/oz silver. The Taylor Deposit remains open to the north, west and south over land controlled by the Company and will be aggressively drilled to test the limits of the resource. The Company's other project on the Hermosa property is the Central Deposit, a silver-manganese manto oxide project.

Cautionary Note Regarding Forward-Looking Information

Certain information contained in this press release constitutes forward-looking statements. All statements, other than statements of historical facts, are forward looking statements including statements with respect to the Company's intentions for its Hermosa Project in Arizona, including, without limitation, performing additional drilling, a resource update, permitting and a feasibility study on the Taylor Deposit. Forward-looking statements are often, but not always, identified by the use of words such as may, will, seek, anticipate, believe, plan, estimate, budget, schedule, forecast, project, expect, intend, or similar expressions.

The forward-looking statements are based on a number of assumptions which, while considered reasonable by Arizona Mining, are subject to risks and uncertainties. In addition to the assumptions herein, these assumptions include the assumptions described in Arizona Mining's management's discussion and analysis for the year ended December 31, 2016 ("MD&A"). Arizona Mining cautions readers that forward-looking statements involve and are subject to known and unknown risks, uncertainties and other factors which may cause actual results, performance or achievements to differ materially from those expressed in or implied by such forward-looking statements and forward-looking statements are not guarantees of future results, performance or achievement. These risks, uncertainties and factors include general business, economic, competitive, political, regulatory and social uncertainties; actual results of exploration activities and economic evaluations; fluctuations in currency exchange rates; changes in project parameters; changes in costs, including labour, infrastructure, operating and production costs; future prices of zinc, lead, silver and other minerals; variations of mineral grade or recovery rates; operating or technical difficulties in connection with exploration, development or mining activities, including the failure of plant, equipment or processes to operate as anticipated; delays in completion of exploration, development or construction activities; changes in government legislation and regulation; the ability to maintain and renew existing licenses and permits or obtain required licenses and permits in a timely manner; the ability to obtain financing on acceptable terms in a timely manner; contests over title to properties; employee relations and shortages of skilled personnel and contractors; the speculative nature of, and the risks involved in, the exploration, development and mining business; and the factors discussed in the section entitled "Risks and Uncertainties" in the MD&A.

Although Arizona Mining has attempted to identify important risks, uncertainties and other factors that could cause actual performance, achievements, actions, events, results or conditions to differ materially from those expressed in or implied by the forward-looking information, there may be other risks, uncertainties and other factors that cause performance, achievements, actions, events, results or conditions to differ from those anticipated, estimated or intended. Unless otherwise indicated, forward-looking statements contained herein are as of the date hereof and Arizona Mining disclaims any obligation to update any forward-looking statements, whether as a result of new information, future events or results or otherwise, except as required by applicable law.

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For additional information please contact:

Susan Muir, Vice-President, Investor Relations & Corporate Communications
Telephone: 416-366-5678 ext. 202
Email: smuir@arizonamining.com