This Offering Announcement is issued by Whalechain Technology Co, Ltd (“Licensor”). All capitalized terms herein have the meaning as defined in the applicable numbered version of the Blockchain Defensive Patent License.

Licensor hereby commits to offer all of its Patents under the Blockchain Defensive Patent License version 1.0 or greater (“License”) to any BDPL User. The Licensor shall refer to the License for the procedures on granting and accepting such License.

Licensor does not have any patent at this time.

Date: May 28, 2018

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