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Cypress Files NI 43-101 Technical Report for Dean Lithium Project in Clayton Valley, Nevada

Resource Estimates Technical Reports (NI 43-101)

Suite 1610 - 777 Dunsmuir Street, Vancouver, BC, Canada, V7Y 1K4

www.cypressdevelopmentcorp.com

TSX Venture Exchange Symbol: CYP

Email: [email protected]

Telephone: (604) 687-3376

Facsimile: (604) 687-3119

NEWS RELEASE

February 21, 2018

Cypress Files NI 43-101 Technical Report for Dean Lithium Project

in Clayton Valley, Nevada

Vancouver, BC - Cypress Development Corp. (TSX-V: CYP) (OTCBB: CYDVF)

(Frankfurt: C1Z1) (“Cypress” or the “Company”) is pleased to announce, further to its

news release on February 7th, that the Company has filed a National Instrument 43 -

101 Technical Report on SEDAR for its 100%-owned Dean Clayton Valley Lithium

Project in Nevada.

Clayton Valley Project Location Map:

https://www.cypressdevelopmentcorp.com/site/assets/files/3548/cyp-clayton-topo-

satalite-small.jpg

The Technical Report on the geology and drilling of the Dean Project has been

completed and filed on SEDAR at www.sedar.com and is titled DEAN LITHIUM

PROJECT NATIONAL INSTRUMENT 43-101 TECHNICAL REPORT, dated February

3, 2018, and prepared by Robert Marvin, B.Sc., PGeo.

The Report has also been posted on Cypress Development’s web site and can be

viewed here: https://www.cypressdevelopmentcorp.com/site/assets/files/3731/final-

final-feb-17-2018-tech-report-dean-project.pdf

Robert Marvin, B.Sc., PGeo, VP of Exploration and Director of Cypress Development

Corp., is the qualified person as defined by National Instrument 43 -101 and has

prepared and approved of the technical information in this report.

About Cypress Development Corp.:

Cypress Development Corp . is a publicly traded exploration company focused on

developing the Company’s 100%-owned Clayton Valley lithium project in the State of

Nevada, U.S.A.

Cypress' Dean & Glory Lithium Project is located immediately east of Albemarle’s

Silver Peak mine, North America’s only lithium brine operation. Recent exploration by

Cypress has discovered an extensive deposit of lithium-bearing claystone adjacent to

the brine field. With mineralization tested by drilling over a seven-kilometer trend, the

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apparent size of the Dean & Glory deposit makes Clayton Valley a premier target that

has the potential to impact the future of lithium production in North America.

Cypress Development Corp. has approx. 54.5 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.

DONALD C. HUSTON

President

For further information contact myself or:

Don Myers

Cypress Development Corp.

Director, Investor Relations

Telephone: 604-639-3851

Toll Free: 800-567-8181

Facsimile: 604-687-3119

Email: [email protected]

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 rele ase 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 diffe r 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 www.sedar.com for further

information.