Cairo Announces Termination of Reverse Take over of Sino Blockchain

THIS NEWS RELEASE IS NOT FOR DISTRIBUTION TO U.S. NEWSWIRE SERVICES FOR DISSEMINATION IN THE UNITED STATES

CAIRO RESOURCES INC.

1430-800 West Pender Street, Vancouver, BC V6C 2V6

Telephone: (604) 638-8063; Fax: (604) 648-8105

CAIRO ANNOUNCES TERMINATION OF REVERSE TAKE OVER OF SINO BLOCKCHAIN

Vancouver, B.C., February 28, 2018 – Cairo Resource s Inc. (TSX-V: QAI.H) (the “Company ” or “Cairo ”),

a Capital Pool Company listed on the NEX Board of t he TSX Venture Exchange (the “ Exchange ”),

announces, further to its news release of December 22, 2017, that upon strategic review, it and Sino

Blockchain Holdings Inc. have mutually agreed to terminate their Letter of Intent.

About Cairo

The Company is a Capital Pool Company presently lis ted on the NEX board of the Exchange. The

Company currently has issued and outstanding 1,581, 473 common shares issued and outstanding and no

convertible securities.

For further information please contact Darryl Cardey at (604) 638-8063

ON BEHALF OF THE BOARD

(signed) “ Darryl Cardey ”

Darryl Cardey

President and CEO

Neither TSX Venture Exchange nor its Regulation Ser vices Provider (as that term is defined in the poli cies

of the Exchange) accepts responsibility for the adequacy or accuracy of this release.