SIRATARN Company Limited SIRATARN Company Limited (“SIRATARN”) failed to comply with rules specified by Securities and Exchange Commission on October 21, 2021, SIRATARN acquired shares of Boutique

Mrs. Sirina Pavarolarvidya Mrs. Sirina Pavarolarvidya failed to comply with rules specified by Securities and Exchange Commission on March 26, 2018, Mrs. Sirina Pavarolarvidya acquired shares of

THAI INDUSTRIAL PART Limited THAI INDUSTRIAL PART Limited (“TIP”) failed to comply with rules specified by Securities and Exchange Commission on JUNE 1, 2017, TIP acquired shares of Sanko Diecasting

(-Translation-) Ref. No. U.SET 027/2018 June 4, 2018 Subject: Acquisition of 50 percent of ordinary shares in the subsidiaries of Sansiri Public Company Limited To: The President The Stock Exchange

Ref. 66/2018 November 27, 2018 Subject : Waiver of rights to purchase ordinary shares of Dhipaya Bodin Co., Ltd. To : Director and Manager The Stock Exchange of Thailand The Board of Directors

offering Sabuy-W2 and Sabuy-WC and Capital Increase to support those investment and offering (Revise 1) 16/03/2022 18:53 Acquisition of shares of Indeem Group Co., Ltd. and establishment of a new joint

CSL outstanding shares. Following the acquisition, AIS will have greater capability to serve increasing business demand for digital solutions e.g. Cloud, business solutions, and managed services in the

statement, Approval of the disposition of shares in subsidiary and Appointment of new director replacing resigned director To: The President, The Stocks Exchange of Thailand The Board of Directors’ Meeting of

the Board of Directors’ meeting for connected transaction and Schedule date for the Extraordinary General Meeting of Shareholders No. 1/2016 To: The President, The Stocks Exchange of Thailand The Board

Company that Issues Underlying Shares