CYPRESS DEVELOPMENT REPORTS WATER RIGHTS PETITION DISMISSED

Cypress Development Corp. (TSXV: CYP) (OTCQX: CYDVF) (Frankfurt: C1Z1) ("Cypress" or "the Company") is pleased to announce that further to its news release dated January 24, 2023 the TSX Venture Exchange (the "TSXV") has approved the Company's name change from Cypress Development Corp. to Century Lithium Corp. The Company will also change its trading symbol from 'CYP' to ' LCE ' on the TSXV. The effective date on which the Company will begin trading under the new name and symbol is January 30, 2023 . The CUSIP number is 156615106.

The transfer agent of the Company continues to be Computershare Investor Services Inc. There is no change in the capitalization of the Company in connection with the change of name and trading symbol and no action is required by existing shareholders with respect to this matter. Shareholders holding share certificates of the Company can request a replacement certificate, however new certificates are not required and will not be automatically issued.

Cypress Development Corp. is a Canadian based advanced stage lithium company, focused on developing its 100%-owned Clayton Valley Lithium Project in Nevada, USA . Cypress is in the pilot stage of testing on material from its lithium-bearing claystone deposit and progressing towards completing a Feasibility Study and permitting, with the goal of becoming a domestic producer of lithium for the growing electric vehicle and battery storage market.

ON BEHALF OF Cypress Development Corp.
WILLIAM WILLOUGHBY , PhD., PE
President & Chief Executive Officer

www.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.

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SOURCE Cypress Development Corp.

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TSXV: CYP | OTCQX: CYDVF

Cypress Development Corp. (TSXV: CYP) (OTCQX: CYDVF) (Frankfurt: C1Z1) ("Cypress" or "the Company") announces that the Board of Directors has approved a name change of the Company from Cypress Development Corp. to Century Lithium Corp.

TSXV: CYP | OTCQX: CYDVF

Cypress Development Corp. (TSXV: CYP) (OTCQX: CYDVF) (Frankfurt: C1Z1) ("Cypress" or "the Company") is pleased to provide a progress update on its ongoing Feasibility Study being conducted on the Company's Clayton Valley Lithium Project ("Project") near Silver Peak, Nevada and on its operational Lithium Extraction Facility ("Pilot Plant") in Amargosa Valley, Nevada .

TSXV: CYP | OTCQX: CYDVF

Cypress Development Corp. (TSXV: CYP) (OTCQX: CYDVF) (Frankfurt: C1Z1) (Cypress or Company) is pleased to announce the selection of thyssenkrupp nucera USA Inc. (thyssenkrupp nucera) to provide the design and engineering for the chlor-alkali plant as part of the ongoing Feasibility Study on the Company's Clayton Valley Lithium Project in Nevada, USA (Project). The chlor-alkali plant is an essential component which will allow the Project to self-generate two key reagents required for processing lithium-bearing claystone through to a Li 2 CO 3 (lithium carbonate) product.

TSXV: CYP | OTCQX: CYDVF

Cypress Development Corp. (TSXV: CYP) (OTCQX: CYDVF) (Frankfurt: C1Z1) (Cypress or Company) is pleased to report it has achieved a significant milestone with the production of 99.94% lithium carbonate (Li 2 CO 3 ) made from lithium-bearing claystone from the Company's 100%-owned Clayton Valley Lithium Project in Nevada, USA (Project). The Li 2 CO 3 was derived from the intermediate concentrated lithium solution produced at Cypress' Lithium Extraction Facility in Amargosa Valley, Nevada (Pilot Plant). Following direct lithium extraction (DLE) at the Plant, Saltworks Technologies Inc. (Saltworks) completed the processing system design and pilot work to make the Li 2 CO 3.