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LCE.V ·

Cypress Development Corporate Update

Corporate Updates

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

December 11, 2018

Cypress Development Corporate Update

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

(Frankfurt: C1Z1) (“Cypress” or the “Company”) is pleased to provide an update on

the Company’s Clayton Valley Lithium Project in Nevada. Cypress is making progress

on the work towards the prefeasibility study (PFS) outlined in its recently completed

Preliminary Economic Assessment (see news release Oct. 1 st), inc luding an infill

drilling program, further metallurgical testing, and the initiation of baseline studies.

“Cypress is continuing to work on steps to de-risk the project and complete the

prefeasibility study in the first quarter of 2019. Metallurgical test s are underway and

focused on optimizing conditions of the process flowsheet. ” stated Bill Willoughby,

CEO. “As we enter 2019, we anticipate further progress as we complete infill drilling

in the pit area outlined in the PEA and Cypress obtains additional material for larger-

scale tests."

Infill Drill Program

Cypress has prepared an application to modify its existing drilling permit for its infill

program. The program is planned for up to 1 500 meters of drilling within the area

between previous holes GCH-06 and DCH-10, which is identified as the higher-grade

center of the deposit. Drilling is expected to begin in early 2019, and will provide

information to upgrade resource categories, further define a production schedule for

the PFS, and provide additional material for further metallurgical tests.

Metallurgical testing for the PFS is already underway using sample material from the

existing drill core. The metallurgical program is focused on o ptimizing leaching

conditions with respect to acid concentration, residence time, and other parameters,

and subsequent steps in concentrating lithium in the leach solutions leading to the

production of lithium carbonate. A s more material is obtained from infill drilling, tests

will focus on composite samples of the individual clay units within the pit area, and on

larger composites representative of the PFS production schedule.

Cypress is working on other steps related to the project and completion of the PFS,

including preparation of a Plan of Operations and the initiation of environmental

baseline studies.

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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 Nevada.

Exploration and development by Cypress has discovered a world -class resource of

lithium-bearing claystone adjacent to Albemarle's Silver Peak mine, North America's

only lithium brine operation.

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

at www.cypressdevelopmentcorp.com.

CYPRESS DEVELOPMENT CORP.

“Dr. Bill Willoughby”

WILLIAM WILLOUGHBY, PhD., PE

Chief Executive Officer

For further information contact myself or:

Don Myers

Cypress Development Corp.

Director, Corporate Communications

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 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 Co mpany 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 d evelopments 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 co uld 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. Plea se see the public filings of the Company at www.sedar.com for further

information.