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2016-04-12

Cypress Development Corp: Cypress Tests Feasibility of Extracting Lithium from Claystones at Clayton Valley Project, Nevada

VANCOUVER, British Columbia, April 12, 2016 (GLOBE NEWSWIRE) -- Cypress
Development Corp.
(TSX-V:CYP) (OTCBB:CYDVF) (Frankfurt:C1Z1) ("Cypress" or the "Company")
announces it has begun initial bench scale testing of the feasibility of
extracting lithium directly from the claystones at the Company's 1320 acre
Clayton Valley Lithium Brine Project located in Esmeralda County, State of
Nevada, USA.

Cypress Clayton Valley Lithium Project, Nevada location map:
http://www.cypressdevelopmentcorp.com/i/maps/CYP-Clayton-topo-satalite-s...

Cypress' Clayton Valley Project is located on the south flank of "Angel
Island" and immediately southeast of the Albemarle Silver Peak lithium mine.
Cypress' Clayton Valley claims share their western boundary with placer
claims controlled by Pure Energy Minerals. Pure Energy has identified a
lithium resource at its northern resource area (see Pure Energy's news
release July 28, 2015), that is located to the immediate west of Cypress'
established boundary.

Cypress Clayton Valley Lithium Project, Nevada claims map:
http://www.cypressdevelopmentcorp.com/i/maps/Clayton-Test-Wells-Plan-Map...

Phase 1 surface sampling of the claystones at Cypress' Clayton Valley Project
was completed at the end of January in an area within the northwest portion
of the property on the west flank of Angel Island. Angel Island is one of
several isolated exposures of highly deformed and metamorphosed rocks of
Cambrian age that are surrounded by basin fill, salt-rich, evaporite rocks
herein referred to as the "claystones". These claystones are part of the
recent basin fill evaporite rocks of Clayton Valley and are thought to be
less than two million years old based on work completed by the USGS and other
research geologists. The outcropping claystone likely represent uplifted
portions of the stratigraphy within which the lithium brines of the basin are
produced.

SW Flank of Angel Island, Cypress Clayton Valley Project, Nevada
http://www.cypressdevelopmentcorp.com/i/maps/CYP-Clayton-pic-SW-Flank-of...

Cypress' Phase 1 January 2016 initial sampling program returned the highest
reported assay result for lithium in claystone known by the Company to be
publicly reported in Clayton Valley, Nevada. Several of the assays carried
greater than 2000 ppm lithium with one assay sample returning a grade of 3070
ppm lithium content (see news release February 22, 2016). The lithium assays
results encountered by Cypress suggest a strong possibility of an essentially
continuously mineralized volume of claystone at surface on extensive portions
of Cypress' Clayton Valley property.

A Phase 2 surface sampling program is underway which will better define the
extent of the near surface lithium mineralization identified in the January
2016 program (see news release April 5, 2016). The first sample group has
been submitted to ALS Chemex in Reno, Nevada and Cypress is awaiting the
assay results.

Given the high grade nature of the lithium contained in these claystones, the
Company has begun initial bench scale testing of the feasibility of
extracting the lithium directly from the claystones.

Based on the geologic setting, field observations, and the results of initial
bench extraction testing on a small group of samples collected, Cypress
believes that the lithium in the sampled claystones is contained within a
highly soluble carbonate rich clay mineral. The goal of the current bench
scale testing is not to complete a detailed mineralogy on the claystones but
in fact is to begin to determine the potential economic value of the
discovered mineralization.

Cypress is in the early stages of conducting a series of chemical tests
designed to determine the solubility of the mineralized claystones on the
property and will carry this study forward as additional samples are
collected and delivered to the lab.

Additional geologic data gathered from a property wide geologic reconnaissance
traverse completed in January show that the property is cut by a series of
arcuate NNE trending faults which appear to down-drop the widely exposed
evaporite claystone basin fill section down to the west. Opalization of the
evaporite section has occurred along these faults as a result of hot-spring
activity focused along these structures.

The surface sampling and reconnaissance geologic results received by Cypress
to date are viewed as being highly encouraging for the presence of lithium
rich brines within the subsurface aquifers below the mineralized claystone.
In Cypress' view, lithium rich brines are likely to be found below the water
table below the mineralized outcrops and may be especially well developed
along the arcuate fault zones where fracturing will have increased the
permeability of the rock section.

Cypress Development has also made an application for a notice of intent to
work permit with the Bureau of Land Management, Nevada in preparation for a
planned Phase 3 exploration and drilling program at its Clayton Valley
lithium project.

Cypress' Clayton Valley Project is located on the south flank of "Angel
Island" and immediately southeast of the Albemarle Silver Peak lithium mine.
The lithium brines that have been produced for the past 55 years at Albemarle
Mines (Rockwood) have come from the flanks of "Angel" and "Goat" islands.

Clayton Valley is located within the Basin and Range Province in southern
Nevada and is an internally drained, fault bounded and closed basin.
Basin-filling strata compose the aquifer system which hosts and produces the
lithium-rich brines.

Robert Marvin, P.Geo, Exploration Manager for Cypress Development Corp. is the
Qualified Person as defined by National Instrument 43-101 and has approved of
the technical information in this release.

Cypress also announces that, pursuant to its stock option plan, the Company
has granted incentive stock options to its directors, officers, employees and
consultants to purchase up to an aggregate of 1,500,000 common shares in the
capital stock of the Company, exercisable for a period of five years, at a
price of $0.08 per share. The Company's 10% rolling stock option plan was
approved by the shareholders at the Annual General Meeting of the Company
held on May 26, 2015.

About Cypress Development Corp.:

Cypress Development Corp. is a publicly traded lithium and zinc-silver
exploration company developing projects in Nevada, U.S.A.

Cypress Development Corp. has approx. 24.1 million shares issued and
outstanding.

To find out more about Cypress Development Corp. (TSX-V:CYP), visit our
website at www.cypressdevelopmentcorp.com.

CYPRESS DEVELOPMENT CORP.

"Don Huston"

DONALD C. HUSTON
President

For further information contact myself or:
Don Myers
Director
Cypress Development Corp.
Telephone: 604-687-3376
Toll Free: 800-567-8181
Facsimile: 604-687-3119
Email: info@cypressdevelopmentcorp.com

NEITHER THE TSX VENTURE EXCHANGE NOR ITS REGULATION SERVICES PROVIDER ACCEPTS
RESPONSIBILITY FOR THE ADEQUACY OR ACCURACY OF THE CONTENT OF THIS NEWS
RELEASE.

This release includes certain statements that may be deemed to be
"forward-looking statements". All statements in this release, other than
statements of historical facts, that address events or developments that
management of the Company expects, are forward-looking statements. Although
management believes the expectations expressed in such forward-looking
statements are based on reasonable assumptions, such statements are not
guarantees of future performance, and actual results or developments may
differ materially from those in the forward-looking statements. The Company
undertakes no obligation to update these forward-looking statements if
management's beliefs, estimates or opinions, or other factors, should change.
Factors that could cause actual results to differ materially from those in
forward-looking statements, include market prices, exploration and
development successes, continued availability of capital and financing, and
general economic, market or business conditions. Please see the public
filings of the Company atwww.sedar.com for further information.

---------------------------------------

This announcement is distributed by NASDAQ OMX Corporate Solutions on behalf of NASDAQ OMX Corporate Solutions clients.
The issuer of this announcement warrants that they are solely responsible for the content, accuracy and originality of the information contained therein.
Source: Cypress Development Corp via Globenewswire

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