WiPAM STC, Inc. agreed to acquire additional 30.6% stake in Tesna Inc. (KOSDAQ:A131970) from Ai Tree Limited for KRW 280 billion on September 24, 2021. Under the terms Wireless Power Amplifier Module Inc. will acquire 5.2 million shares for KRW 53498 per share. KRW 4 billion will be paid on September 24, 2021, and the balance KRW 396 billion is expected to be paid on the closing date of the transaction. Pre acquisition Wireless Power Amplifier Module Inc held 3.75% stake and post acquisition will have 34.3% stake in Tesna Inc. The transaction is expected to close on November 30, 2021. As of November 24, 2021, the transaction is expected to close on December 28, 2021.

WiPAM STC, Inc. cancelled the acquisition of additional 30.6% stake in Tesna Inc. (KOSDAQ:A131970) from Ai Tree Limited on December 23, 2021.