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Cypress Development Corp: Cypress Reports Up to 2,600 PPM Li from Clayton Valley Lithium Project in Nevada

VANCOUVER, British Columbia, May 10, 2016 (GLOBE NEWSWIRE) -- Cypress
Development Corp.
(TSX-V:CYP) (OTCBB:CYDVF) (Frankfurt:C1Z1) ("Cypress" or the "Company") is
pleased to announce, further to its news release April 5th and May 3rd, the
Company has received additional assays from Cypress' ongoing Phase 2
exploration program at its Clayton Valley Lithium Project in Esmeralda
County, Nevada.

Cypress Clayton Valley Lithium Project, Nevada location map:

Cypress' Clayton Valley Lithium Project is located in the heart of the Clayton
Valley lithium brine exploration area of Esmeralda County, Nevada. The
Company's 1520 acre Clayton Valley Project is located within one half mile of
lithium brine wells belonging to the Albemarle Silver Peak Mine and the
property shares its western boundary with Pure Energy's Clayton Valley South

Cypress Clayton Valley Lithium Project, Nevada claims map:

The Albemarle Silver Peak mine is the only operating brine based lithium mine
in North America with lithium concentration in production brines reported to
average 160 ppm lithium (160 mg/litre) (Garrett Report, 2004).

Cypress 2016 Phase 2 Clayton Valley Project Exploration Results:

Assays reported by Cypress to date show a continuously mineralized volume of
lithium in claystones at surface on extensive portions of Cypress' Clayton
Valley property. The compiled results of three sampling events show 2
kilometers of north-south strike of outcropping claystones that assay
approximately 1,100 ppm lithium on average and include a 1.0 kilometer strike
length zone that averages 1350 ppm Li.

The strong lithium mineralization is contained within calcareous evaporite
rocks, dominantly carbonate rich lake-bed claystones with minor interbedded
volcanic ash units. This rock section represents uplifted portions of the
stratigraphy within which the lithium brines of the basin are produced.

Limited sampling of volcanic ash units by Cypress has occurred, sample #123238
(reported here) is an unconsolidated, biotite rich volcanic ash that has
assayed 710 ppm lithium. Lithium mineralization within this ash unit is
highly encouraging as it suggests that the lithium mineralization so far
defined at surface has invaded all lithologic units found to date in the
western portion of the property.

Other ash units show clear west dipping structure of 10 to 20 degrees (local
exposures of much steeper dips have been seen). As a consequence of the rock
package being tilted, the surface sampling is exploring a considerable
thickness of the exposed basin fill evaporates and interbedded ash tuffs.
Detailed mapping is planned for the next several weeks as part of the Phase 2

Cypress Clayton Valley 2016 Phase 2 lithium sampling sites map, Nevada:

The table below shows newly received lithium assays from the ongoing 2016
Phase 2 surface sampling program. These samples were collected from the
northwest portion of the Cypress' Clayton Valley property. Due to space
constraints, only lithium assays are being show. A more complete data set
containing the assays of typical evaporite sequence minerals will be added to
the website shortly.

| |
| Sample ID Li ppm Sample ID Li ppm Sample ID Li ppm |
| 123208 1910 123219 770 123230 1240 |
| 123209 1170 123220 1610 123231 QA/QC Blank |
| 123210 1790 123221 1210 123232 1190 |
| 123211 1000 123222 850 123233 1330 |
| 123212 860 123223 900 123234 1510 |
| 123213 900 123224 1430 123235 2600 |
| 123214 1460 123225 1260 123236 2250 |
| 123215 1230 123226 2020 123237 QA/QC Blank |
| 123216 970 123227 2120 123238 710 |
| 123217 1270 123228 950 123239 1010 |
| 123218 1060 123229 1320 123240 1100 |
| |
| *NOTE: (Li=Lithium, ppm=parts per million, 1 ppm=1 milligram per litre) |
| |
Lithium Leachability Study:

A number of Phase 2 sample pulps are being re-assayed by ALS Chemex by both a
deionized water leach and a weak Aqua Regia leach to provide further data on
potential large-scale extraction methods of lithium from the mineralized

Cypress is further moving forward at this time with mineral Identification
(ID) by X Ray Diffraction (XRD) and has started a bench scale study of
additional very dilute acid leaching methods in an advancing effort to
develop a low cost lithium extraction method for the strongly lithium
mineralized, outcropping calcareous evaporates (claystones) on the property.

Planned Phase 3 Dill Program:

Cypress has filed a Notice of Intent permit with the Bureau of Land Management
(BLM), Nevada for a planned Phase 3 drilling program. Cypress' Phase 3
program will target lithium brines within the targeted Main Ash Aquifer and
will also include the drilling of shallow auger holes to provide initial
subsurface data and assays under wide areas of lithium rich claystones
discovered in the 2016 Phase 1 and Phase 2 sampling programs. The auger holes
are planned to test the depth of lithium mineralization in claystones and
will be sampled on composite 5 foot intervals.

Cypress Clayton Valley Project proposed drill hole and auger hole map:

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.

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.

Quality Control and Quality Assurance

All samples were assayed by ALS Chemex using a four acid digestion / ICP-Mass
Spec method. Blind sample blanks are being inserted into the sample sequences
at a rate of approximately 1 per 20 samples.

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.

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

To find out more about Cypress Development Corp. (TSX-V:CYP), visit our


"Don Huston"


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


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 at 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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