[Chunghwa Telecom to participate Non-deal Roadshow held by Nomura Date of events: 2016/08/15 Contents: 1.Date of the investor conference:2016/08/25~2016/08/26 2.Time of the investor conference: 9:00 am 3.Location of the investor conference: Tokyo 4.Brief information disclosed in the investor conference: The conference will be held by Nomura 5.The presentation of the investor conference release: Please refer to http://newmops.tse.com.tw/ 6.Will the presentation] [Supplementary announcement about participation in official-held urban renewal project located in New Taipei City: results approved by the administration Date of events: 2016/08/18 Contents: 1.Name and nature of the subject matter (e.g.land located at Sublot XX, Lot XX, North District, Taichung City):Lot 547(section), 648, 648-1, 649, 649-1, 650 and 650-1(section), Administration Section, Xindian District, New Taipei City. 2.Date of the] [The Company won the bid for “Taipei City Market Administration Office’s South Central Market Alternation Works” project. Date of events: 2016/08/22 Contents: 1.Date of occurrence of the event:2016/08/22 3.Relationship to the Company (please enter ”head office” or ”subsidiaries”):head office 4.Reciprocal shareholding ratios: N/A 5.Cause of occurrence: Chunghwa Telecom, cooperating with Hwang Chang General Contractor Co., won the bid for ”Taipei] [The Company to participate in investor conference held by Credit Suisse Date of events: 2016/09/07 Contents: 1.Date of the investor conference:2016/09/08~2016/09/09 2.Time of the investor conference: 2:30 PM 3.Location of the investor conference: Taipei 4.Brief information disclosed in the investor conference: The conference will be held by Credit Suisse 5.The presentation of the investor conference release: Please refer to http://emops.twse.com.tw/] [Chunghwa Telecom to hold conference call for third quarter 2016 results Date of events: 2016/09/09 Contents: 1.Date of the investor conference:2016/10/27 2.Time of the investor conference: 15:00 3.Location of the investor conference: Teleconference 4.Brief information disclosed in the investor conference: Please refer to http://www.cht.com.tw/chtir at 14:30 on October 27, 2016 Taipei time 5.The presentation of the investor conference release: Please] [To announce 3G System Expansion in 2015 contract amendment for additional RRH equipment etc. acquisition with total amount exceeding NT$500 million Date of events: 2016/09/09 Contents: 1.Name and nature of the subject matter (e.g.land located at Sublot XX, Lot XX, North District, Taichung City):3G System Expansion in 2015 contract amendment for additional RRH equipment, etc. 2.Date of the occurrence of] [Chunghwa Telecom announces its operating results for August 2016 Date of events: 2016/09/10 Contents: 1.Date of occurrence of the event:2016/09/10 3.Relationship to the Company (please enter ”head office” or ”subsidiaries”):head office 4.Reciprocal shareholding ratios: N/A 5.Cause of occurrence: Chunghwa Telecom consolidated revenue for August 2016 was NT$19.69 billion, growing by 4.7% year-over-year. Operating costs and expense were NT$15.61 billion, a] [Chunghwa Telecom September 10, 2016 This is to report the changes or status of 1) Sales volume 2) Funds lent to other parties 3) Endorsements and guarantees 4) Financial derivative transactions for the period of Aug. 2016. 1) Sales volume (NT$ Thousand) Period Items 2016 2015 Changes Aug. Net sales 19,694,230 18,808,323 (+) 885,907 (+) 4.71%] [FORM 6-K September 12, 2016 Chunghwa Telecom Co., Ltd. ——————————————————————————————————— Room 110, Finance Department of Headquarters, 21-3 Hsinyi Road, Sec. 1, Taipei, Taiwan ——————————————————————————————————— x x n/a Chunghwa Telecom Co., Ltd. Bo Yung Chen Chief Financial Officer Description 99.01 Announcement on 2016/08/15 : Chunghwa Telecom to participate Non-deal Roadshow held by Nomura 99.02 Announcement on 2016/08/18 : Supplementary announcement about]

[New appointment of the representative of Juristic-Person Director Date of events: 2016/08/02 Contents: 1.Date of occurrence of the change:2016/08/02 2.Name of juristic-person director/ supervisor: Ministry of Transportation and Communications. 3.Name and resume of the replaced person: Chich-Chiang Fan, Chairman, Yuanta Commercial Bank Company Ltd. 4.Name and resume of the replacement: Yu Cheng, CEO, Contemporary Taiwan Development Foundation 5.Reason for the] [To announce the differences between the second quarter of 2016 financial statements under Taiwan-IFRSs and IFRSs Date of events: 2016/08/10 Contents: 1.Date of occurrence of the event:2016/08/10 2.Of which year/ quarter financial report required to be adjusted: The second quarter of 2016 3.Accounting principles applied (domestic listing securities): International Financial Reporting Standards endorsed by the Financial Supervisory Commission of the] [Chunghwa Telecom announces its operating results for July 2016 Date of events: 2016/08/10 Contents: 1. Date of occurrence of the event: 2016/08/10 2. 3. Relationship to the Company (please enter “head office” or “subsidiaries”): head office 4. Reciprocal shareholding ratios: N/A 5. Cause of occurrence: Chunghwa Telecom consolidated operating revenue for July 2016 was NT$18.67 billion, a 0.1% increase year-over-year.] [Chunghwa Telecom August 10, 2016 This is to report the changes or status of 1) Sales volume 2) Funds lent to other parties 3) Endorsements and guarantees 4) Financial derivative transactions for the period of July 2016 1) Sales volume (NT$ Thousand) Period Items 2016 2015 Changes July Net sales 18,669,622 18,657,024 (+) 12,598 (+) 0.07%] [FORM 6-K August 10, 2016 Chunghwa Telecom Co., Ltd. ——————————————————————————————————— Room 110, Finance Department of Headquarters, 21-3 Hsinyi Road, Sec. 1, Taipei, Taiwan ——————————————————————————————————— x x n/a Chunghwa Telecom Co., Ltd. Bo Yung Chen Chief Financial Officer Description 99.01 Announcement on 2016/08/02 : New appointment of the representative of Juristic-Person Director 99.02 Announcement on 2016/08/10 : To announce the differences]

[Subject: To announce the differences between the second quarter of 2016 financial statements under Taiwan-IFRSs and IFRSs To which item it meets: Article 4.1.(47) Statement: 1. Date of occurrence of the event: 2016/08/10 2. Cause of occurrence: To announce the differences between the second quarter of 2016 financial statements under International Financial Reporting Standards endorsed by the Financial Supervisory Commission] [Chunghwa Telecom Co., Ltd. and Subsidiaries Consolidated Financial Statements for the Six Months Ended June 30, 2016 and 2015 and Independent Auditors’ Review Report INDEPENDENT AUDITORS’ REVIEW REPORT The Board of Directors and Stockholders Chunghwa Telecom Co., Ltd. We have reviewed the accompanying consolidated balance sheets of Chunghwa Telecom Co., Ltd. and subsidiaries (“the Company”) as of June 30, 2016] [Chunghwa Telecom Co., Ltd. and Subsidiaries Consolidated Financial Statements for the Six Months Ended June 30, 2016 and 2015 CHUNGHWA TELECOM CO., LTD. AND SUBSIDIARIES CONSOLIDATED BALANCE SHEETS (In Millions of New Taiwan Dollars) June 30, 2016 December 31, 2015 June 30, 2015 Amount % Amount % Amount % ASSETS CURRENT ASSETS] [Chunghwa Telecom Co., Ltd. Bo Yung Chen Chief Financial Officer 2 Description 99.1 To announce the differences between the second quarter of 2016 financial statements under Taiwan-IFRSs and IFRSs 99.2 99.3 Consolidated Financial Statements for the Six Months Ended June 30, 2016 and 2015 in accordance with International Financial Reporting Standards issued by the International Accounting Standards Board (“IFRSs”) 3]

[Chunghwa Telecom Reports Un-audited Consolidated Operating Results TAIPEI, Taiwan, R.O.C. July 28, 2016 — Chunghwa Telecom Co., Ltd. (TAIEX: 2412, NYSE: CHT) (“Chunghwa” or “the Company”) today reported its un-audited operating results for the second quarter of 2016. All figures were prepared in accordance with Taiwan-International Financial Reporting Standards (“Taiwan-IFRSs”) on a consolidated basis. (Comparisons throughout the press release, unless] [FORM 6-K July 28, 2016 Chunghwa Telecom Co., Ltd. ——————————————————————————————————— Room 110, Finance Department of Headquarters, 21-3 Hsinyi Road, Sec. 1, Taipei, Taiwan ——————————————————————————————————— x x n/a Chunghwa Telecom Co., Ltd. Bo Yung Chen Chief Financial Officer Description 99.1 Press Release to Report Un-audited Consolidated Operating Results for the Second Quarter of 2016 6-K 1 htm_10372.htm LIVE FILING]

[To announce the 4G LTE Expansion in 2016 (NOKIAPart), etc. acquisition with total amount exceeding NT$500 million Date of events: 2016/06/21 Contents: 1.Name and nature of the subject matter (e.g.land located at Sublot XX, Lot XX, North District, Taichung City):The 4G LTE Expansion in 2016 (NOKIA Part),etc. 2.Date of the occurrence of the event:2015/06/22~2016/06/21 3.Transaction volume (e.g.XX square meters, equivalent] [Changes of members of the Audit Committee and the Compensation Committee Date of events: 2016/06/22 Contents: 1.Date of occurrence of the change:2016/06/22 2.Name of the functional committees:The Audit Committee and the Compensation Committee 3.Name and resume of the replaced member:Chung-Fern Wu, Professor of Accounting at the National Taiwan University 4.Name and resume of the new member:None 5.Type of the change] [To announce The 4G LTE Expansion in 2016 (ERICSSON Part) etc. acquisition with accumulated amount exceeding NT$500 million Date of events: 2016/06/24 Contents: 1.Name and nature of the subject matter (e.g.land located at Sublot XX, Lot XX, North District, Taichung City):The 4G LTE Expansion in 2016 (ERICSSON Part), etc. 2.Date of the occurrence of the event:2015/06/25~2016/06/24 3.Transaction volume (e.g.XX square] [To announce the record date for dividend distribution Date of events: 2016/06/24 Contents: 1.Date of the resolution by the board of directors or shareholders’ meeting or decision by the Company:2016/06/24 2.Type of ex-rights or ex-dividend (please enter: “Ex-rights”, ”Ex-dividend”, or ”Ex-rights and dividend”):Ex-dividend 3.Type and monetary amount of dividend distribution: To be distributed with cash dividend of NT$5.4852 per share] [Member of Our Board of Directors Compensation Committee transaction Date of events: 2016/06/24 Contents: 1.Date of occurrence of the change:2016/06/24 2.Name of the functional committees:The Compensation Committee 3.Name and resume of the replaced member: Chung-Yu Wang, Chairman of Chinese International Economic Cooperation Association 4.Name and resume of the new member:None 5.Type of the change (please enter: “resignation”, “discharge”, “tenure expired”] [To announce the new members of the Audit Committee Date of events: 2016/06/24 Contents: 1.Date of occurrence of the change:2016/06/24 2.Name of the functional committees:The Audit Committee 3.Name and resume of the replaced member: Zse-Hong Tsai; Professor of Electrical Engineering Department, National Taiwan University Chung-Yu Wang;Chairman of Chinese International Economic Cooperation Association Yun-Tsai Chou; Associate Professor, Graduate Program in Social] [To announce the resolution of Annual General Meeting to release the restrictions on competitive activities on directors Date of events: 2016/06/24 Contents: 1.Date of the shareholders’ meeting resolution:2016/06/24 2.Name and title of the director with permission to engage in competitive conduct: Independent directorLo-Yu Yen Independent directorJenRan Chen DirectorLih-Shyng Tsai 3.Items of competitive conduct in which the director is permitted to] [Change of the representative of Juristic-Person Director Date of events: 2016/06/25 Contents: 1.Date of occurrence of the change:2016/06/24 2.Name of juristic-person director/ supervisor: Ministry of Transportation and Communications. 3.Name and resume of the replaced person: Hsu-Hui Ho, Vice President Public Affairs Dept. 4.Name and resume of the replacement: Shih-Peng Tsai, Consultant, Chunghwa Telecom Workers’s Union. 5.Reason for the change:discharge, new] [To announce the resignation of the new Independent Director, Chen Yung- Chen Date of events: 2016/06/25 Contents: 1.Date of occurrence of the change:2016/06/24 2.Appointment of or changed personnel (juristic-person director, juristic-person supervisor, independent director, natural-person director or natural-person supervisor):independent director 3.Title, name and resume of the replaced personnel: Chen Yung- ChenChairman of Taiwan Asset Management Corporation 4.Title, name and resume] [Elections for Directors filling expired terms Date of events: 2016/06/25 Contents: 1.Date of occurrence of the change:2016/06/24 2.Appointment of or changed personnel (juristic-person director, juristic-person supervisor, independent director, natural-person director or natural-person supervisor):juristic-person director, independent director 3.Title, name and resume of the replaced personnel: Representative of the Ministry of Transportation and Communications (MOTC) Lih-Shyng Tsai:Chairman& CEO of Chunghwa Telecom Representative] [Major resolutions of 2016 Annual General Meeting Date of events: 2016/06/25 Contents: 1.Date of the shareholders’ meeting:2016/06/24 2.Important resolutions (1)profit distribution/deficit compensation:Ratification of 2015 profit allocation proposal. The cash dividend is NT$5.4852 per share. 3.Important resolutions (2)amendments of thecoporat charter:Approval of the amendment to the ”Articles of Incorporation”. 4.Important resolutions (3)business report and financial statements:Ratification of 2015 business report and] [The board of directors appointed the chairman as CEO Date of events: 2016/06/27 Contents: 1.Type of personnel changed (please enter: spokesperson, acting spokesperson, important personnel(CEO, COO, CMO, CSO, etc.),financial officer, accounting officer, research and development officer, or internal audit officer):CEO 2.Date of occurrence of the change:2016/06/27 3.Name, title, and resume of the replaced person: Lih-Shyng Tasi, Chairman and CEO of] [To announce the new members of the Board of Directors Compensation Committee Date of events: 2016/06/27 Contents: 1.Date of occurrence of the change:2016/06/27 2.Name of the functional committees: The Compensation Committee 3.Name and resume of the replaced member: None 4.Name and resume of the new member: Zse-Hong Tsai, independent director of the Company; Lo-Yu Yen, independent director of the Company;] [New appointment of the President Date of events: 2016/06/27 Contents: 1.Date of the board of directors resolution or date of occurrence of the change:2016/06/27 2.Type of personnel (chairman or general manager):general manager 3.Name and resume of the replaced personnel: Mu-Piao Shih, Master of Electrical Engineering from National Taiwan University, President of Chunghwa Telecom Co., Ltd. 4.Name and resume of the] [Election of the Chairman Date of events: 2016/06/27 Contents: 1.Date of the board of directors resolution or date of occurrence of the change:2016/06/27 2.Type of personnel (chairman or general manager):chairman 3.Name and resume of the replaced personnel: Lih-Shyng Tsai, Ph. D. in Material Science and Engineering Cornell University, Ithaca, Chairman of Chunghwa Telecom Co., Ltd. 4.Name and resume of the] [Announcement of the litigation with Yunlin County Government for the expenditure sharing of duct construction project for the High Speed Railway Date of events: 2016/06/28 Contents: 1.Parties to the legal matter: Yunlin County Government 2.Name of the court or disposing agency: Yunlin District Court 3.Reference/case numbers of relevant documents:103 Chung Su No. 14 4.Date of occurrence of the event:2016/06/28 5.Background] [Chunghwa Telecom announces its operating results for June 2016 Date of events: 2016/07/07 Contents: 1.Date of occurrence of the event:2016/07/07 3.Relationship to the Company (please enter “head office” or “subsidiaries”):head office 4.Reciprocal shareholding ratios:N/A 5.Cause of occurrence: Chunghwa Telecom consolidated revenue for June 2016 was NT$19.05 billion, remaining flat year-over-year. Operating costs and expense were NT$14.99 billion, a 2.3% increase] [Chunghwa Telecom July 7, 2016 This is to report the changes or status of 1) Sales volume 2) Funds lent to other parties 3) Endorsements and guarantees 4) Financial derivative transactions for the period of June 2016 1) Sales volume (NT$ Thousand) Period Items 2016 2015 Changes Jun Net sales 19,049,375 19,141,685 (-)92,310 (-)0.48 %] [FORM 6-K July 7, 2016 Chunghwa Telecom Co., Ltd. ——————————————————————————————————— Room 110, Finance Department of Headquarters, 21-3 Hsinyi Road, Sec. 1, Taipei, Taiwan ——————————————————————————————————— x x n/a Chunghwa Telecom Co., Ltd. Bo Yung Chen Chief Financial Officer Description 99.01 Announcement on 2016/06/21 : To announce the 4G LTE Expansion in 2016 (NOKIAPart), etc. acquisition with total amount exceeding NT$500 million]