Important developments of the company

and purchased the assets of Phahon Yothin branch and Siam Square branch from BIDC to continue operations under the name "Smile Signature".

a provider of teeth whitening services using Dental spa from the United States and had a registered capital of 20 million baht at that time. BIDC invested in purchasing shares in the portion that BIDC held at 90 percent of the total shares, at a par value of 18 million baht, the purchase of shares in the said business was purchased from the existing shareholders of BS, who are not related to the group of companies in any way, and to expand the group's teeth whitening services.

Smile Signature Dental Clinic, Seacon Square Srinakarin Branch, Dental Signature Dental Clinic. Siam Paragon branch (formerly Bright Smile Whitening Spa (BS) of BIDC; The Company purchased all of BS's assets and further renovated them into a dental clinic) and a dental clinic, Phuket Dental signature.

respectively. The Company purchased shares of BIDC and BIDH from the existing shareholder group at par prices.

Phuket Smile Signature Dental Clinic, Smile Signature Dental Clinic. Central Westgate branch, and Dental Signature Dental Clinic Central Festival Eastville Branch.

with a registered capital of 1 million baht to operate a dental lab service business within the group of companies. At present, the name has been changed to Dental Vision (Thailand) Company Limited ("DVT"), with the Company holding shares in DVT 99.99 percent of the registered capital.

close to the book value as of 31 Dec. 2014 (book value according to the proportion held by BIDC was 19.73 million baht). In this regard, BS has registered its dissolution. The business and liquidation were completed in July 2016.

common shares from the original par value of 1,000 baht per share to a par value of 0.50 baht per share, along with a resolution to increase the registered capital from 70 million baht to 100 million baht, by offering 5 million baht to existing shareholders and for sale to the general public for the first time, 25 million baht, by issuing 60 million additional common shares with a par value of 0.50 baht per share, offering 10 million shares to existing shareholders and offering to the general public for the first time 50 million shares, along with registering a change in the company's registered capital to 100 million baht.

which is a dental clinic. Dental Signature EmQuartier Branch.

assets to purchase land and invest in construction of a dental hospital, a 7-story building and 1 basement floor, consisting of 33 dental rooms, 1 operating room, and 2 recovery rooms, the total project value does not exceed 450 million baht.

The Company will operate the business of distributing dental materials and equipment under a subsidiary, Dental Company. All (Thailand) Co., Ltd., which later registered a name change to Dental Vision (Thailand) Co., Ltd. (“DVT”), as well as increasing its registered capital to 300 million baht, with a paid-up capital of 200.10 million baht, with DVT receiving the transfer of assets. Above from DV on August 1, 2018.

on December 11, 2018 to operate a business selling dental materials and equipment, providing dental lab work (Receiving the transfer of dental lab work from DVT) and providing training services. The company currently holds 99.97 percent of the registered capital in DAT.

by issuing 80 million additional common shares with a par value of 0.50 baht per share to be offered to existing shareholders in proportion to their shareholding (Right Offering) of 40 million shares and To support the exercise of D-W1 warrants, amounting to 40 million shares, additional common shares were offered at a price of 2.50 baht per share, resulting in the company receiving additional capital in the amount of 100 million baht and warrants to purchase common shares of The company (D-W1) began trading on the MAI secondary market on March 17, 2020.