Company Advanced Info Service

Equities

ADVANC

TH0268010Z03

Wireless Telecommunications Services

End-of-day quote Thailand S.E. Other stock markets 14/01/2026			5-day change	1st Jan Change
338.00 ^THB	+1.81%		+5.30%	+7.99%

12-18	Advanced Info Service Public Company Limited Announces Board Changes, Effective December 19, 2025	CI
12-15	Bangkok Dusit Medical Services Public Company Limited Expands Scope and Renames Corporate Governance Committee to Corporate Governance and Sustainability Committee, Effective December 15, 2025	CI

Business description: Advanced Info Service

Advanced Info Service Public Company Limited is a Thailand-based company, which is engaged in providing consulting and management services to its subsidiaries. The Company operates through three segments: Mobile phone services, Mobile phone and equipment sales and Datanet and broadband services. The Companyâs subsidiaries include Advanced Contact Center Company Limited; Digital Phone Company Limited; Advanced Magic Card Company Limited; AIN GlobalComm Company Limited; Advanced Wireless Network Company Limited; Super Broadband Network Company Limited, and others. Advanced Wireless Network Company Limited is a service provider of cellular telephone networks, a distributor of handsets and international telephone service, network operator, telecommunication service operator and Internet. Super Broadband Network Company Limited is a network operator and telecom service operator, including as a service provider of a broadcasting network and television broadcasting service several channels.

Number of employees: 8,778

Sales by Activity: Advanced Info Service

Fiscal Period: December	2020 (THB)	2021 (THB)	2022 (THB)	2023 (THB)	2024 (THB)
Mobile Phone Services	134B	133B	132B	134B	138B
Mobile Phone and Equipment Sales	28.76B	35.94B	39.14B	36.61B	37.91B
Datanet and Broadband Services	10.46B	12.24B	14.29B	18.15B	37.42B

See all business segments

Geographical breakdown of sales: Advanced Info Service

Fiscal Period: December	2020 (THB)	2021 (THB)	2022 (THB)	2023 (THB)	2024 (THB)
Thailand	173B	181B	185B	189B	214B

See all geographic segments

Executive Committee: Advanced Info Service

Manager	Title	Age	Since
Pratthana Leelapanang CEO	Chief Executive Officer	52	02/11/2025
Tee Seeumpornroj DFI	Director of Finance/CFO	49	30/06/2025
Kitti Ngarmchatetanarom CTO	Chief Tech/Sci/R&D Officer	56	28/02/2022
Chavin Chaivatcharaporn CMP	Compliance Officer	53	31/12/2018
Nattiya Poapongsakorn CMP	Compliance Officer	50	31/12/2014

See ADVANCED INFO SERVICE governance

Composition of the Board of Directors: Advanced Info Service

Director	Title	Age	Since
Ngiap Jong Low BRD	Director/Board Member	65	26/03/2013
Pratthana Leelapanang BRD	Director/Board Member	52	18/12/2025
Krairit Euchukanonchai BRD	Director/Board Member	70	25/03/2014
Kan Trakulhoon CHM	Chairman	71	07/11/2016
Sarath Ratanavadi BRD	Director/Board Member	60	20/10/2021
Smith Banomyong BRD	Director/Board Member	53	20/10/2021
Yupapin Wangviwat BRD	Director/Board Member	57	20/10/2021
Tao Yih Lang BRD	Director/Board Member	54	20/10/2021
Predee Daochai BRD	Director/Board Member	66	08/09/2022
Surin Krittayaphongphun BRD	Director/Board Member	-	23/03/2024

Composition of the Board of Directors

Shareholders: Advanced Info Service

Name	Equities	%	Valuation
GULF ENERGY DEVELOPMENT 40.44 %	1,202,712,000	40.44 %	11 949 M ฿
SINGAPORE TELECOMMUNICATIONS LIMITED 19.1 %	568,000,000	19.1 %	5 643 M ฿
MFC Asset Management Public Co., Ltd. (Investment Management) 2.637 %	78,429,903	2.637 %	779 M ฿
Mount Batur Ltd. 1.66 %	49,384,500	1.66 %	491 M ฿
Social Security Office of Thailand 1.532 %	45,573,600	1.532 %	453 M ฿

Name	Equities	%	Valuation
Yousif Capital Management LLC 0.001694 %	50,378	0.001694 %	500 505 ฿

Name	Equities	%	Valuation
Sjunde AP-fonden 0.0757 %	2,251,504	0.0757 %	22 M ฿
State Street Global Advisors Ltd. 0.0741 %	2,204,090	0.0741 %	22 M ฿
Jyske Bank A/S (Investment Management) 0.0408 %	1,213,900	0.0408 %	12 M ฿
abrdn Alternative Investments Ltd. 0.0405 %	1,203,200	0.0405 %	12 M ฿
Somerset Capital Management LLP 0.0244 %	725,600	0.0244 %	7 M ฿

Name	Equities	%	Valuation
Nordea Investment Management AB 0.2228 %	6,626,126	0.2228 %	66 M ฿
Storebrand Asset Management AS 0.0421 %	1,253,000	0.0421 %	12 M ฿
JPMorgan Asset Management (Singapore) Ltd. 0.0413 %	1,227,000	0.0413 %	12 M ฿
Boston Common Asset Management LLC 0.0332 %	986,453	0.0332 %	10 M ฿
West Yorkshire Pension Fund 0.0202 %	601,761	0.0202 %	6 M ฿

List of ADVANCED INFO SERVICE shareholders

Holdings: Advanced Info Service

Name	Equities	%	Valuation
3BB INTERNET INFRASTRUCTURE FUND 19%	1,520,000,000	19%	304 M $

Company details: Advanced Info Service

Advanced Info Service Public Co. Ltd.

AIS Tower 1

10400, Bangkok

+66 2 029 5000

http://www.ais.co.th

Other Wireless Telecommunications Services

Add to a list 0 selected To use this feature you must be a member Log in Sign up	Change	5d. change	1-year change	3-years change	Capi.($)
ADVANCED INFO SERVICE	+1.81%	+5.30%	+19.86%	+67.33%	31.34B
T-MOBILE US, INC.	+1.24%	-3.31%	-10.04%	+28.29%	212B
AT&T INC.	+1.33%	-3.00%	+9.51%	+20.77%	165B
SOFTBANK GROUP CORP.	-5.02%	-12.96%	+79.86%	+177.11%	159B
KDDI CORPORATION	-2.01%	-0.15%	+11.55%	+39.74%	65.04B
CHINA UNICOM (HONG KONG) LIMITED	-0.13%	-1.49%	+11.05%	+45.69%	31.18B
VODAFONE GROUP PLC	+1.18%	-0.68%	+49.12%	+8.96%	31.08B
TELENOR ASA	+1.69%	-0.62%	+12.90%	+40.60%	19.23B
PT MORA TELEMATIKA INDONESIA TBK	+6.36%	+10.18%	+3,512.57%	+2,775.00%	18.2B
VODACOM GROUP LIMITED	-0.92%	-3.22%	+41.87%	+11.07%	16.81B
Average	+0.56%	-1.62%	+373.82%	+321.46%	74.94B
Weighted average by Cap.	-0.29%	-2.47%	+107.12%	+127.43%