[Chunghwa Telecom holds investor conference call for the third quarter of 2012 operation results Date of events: 201 2 / 10 /1 8 Contents: 1.Date of the investor conference:2012/10/26 2.Time of the investor conference: 17:00 3.Location of the investor conference: teleconference 4.Brief information disclosed in the investor conference: Please refer to http://www.cht.com.tw/ir at 16:00 Taipei Time Oct. 26, 2012. 5.The] [The Company rents a building for IDC service from Chief Telecom Inc. Date of events: 201 2 / 10 / 22 Contents: 1. Date of occurrence of the event:2012/10/22 2.Counterparty to the contract or commitment: Chief Telecom Inc. 3.Relationship to the Company: The Company’s subsidiary with a holding of 69% 4.Starting and ending dates (or rescission date) of the contract] [To announce the differences between ROC GAAP and US GAAP for the first three quarters of 2012 financial statements Date of events: 201 2 / 10 / 26 Contents: 1.Date of occurrence of the event:2012/10/26 2.Cause of occurrence: To announce the differences for the first three quarters of 2012 financial statements between ROC GAAP and US GAAP. 3.Content of overseas] [Chunghwa Telecom participates in Morgan Stanley 11th Annual Asia Pacific Summit Date of events: 201 2 / 11 / 01 Contents: 1. Date of the investor conference:2012/11/07~2012/11/09 2.Time of the investor conference:16:30 3.Location of the investor conference: Singapore 4.Brief information disclosed in the investor conference: The conference will be held by Morgan Stanley. 5.The presentation of the investor conference release:] [5 To announce the Company’s October 2012 revenues Date of events: 2012/ 11 / 12 Contents: 1.Date of occurrence of the event:2012/11/12 3.Relationship to the Company (please enter “head office” or “affiliate company”):Head office 4.Reciprocal shareholding ratios: N/A 5.Cause of occurrence: Chunghwa Telecom today announced a 0.6% year-over-year decrease in unaudited unconsolidated total revenue to NT$15.69 billion in October 2012.] [6 Chunghwa Telecom November 1 2 , 2012 This is to report the changes or status of 1) Sales volume 2) Funds lent to other parties 3) Endorsements and guarantees 4) Financial derivative transactions for the period of Oct 201 2 1) Sales volume (NT$ Thousand) Period Items 201 2 201 1 Changes % Oct Invoice amount 1 6 ,] [11 /1 3 Chunghwa Telecom Co., Ltd.]

[Chunghwa Telecom Reports Consolidated Operating Results for the Third Quarter and First Nine Months of 2012 Taipei, Taiwan, R.O.C. October 26, 2012 - Chunghwa Telecom Co., Ltd. (TAIEX: 2412, NYSE: CHT) (“Chunghwa” or “the Company”) today reported its operating results for the third quarter and first nine months of 2012. All figures were prepared in accordance with generally accepted accounting] [Chunghwa Telecom Co., Ltd. Financial Statements for the Nine Months Ended September 30, 2012 and 2011 and Independent Accountants’ Review Report INDEPENDENT ACCOUNTANTS’ REVIEW REPORT The Board of Directors and Stockholders Chunghwa Telecom Co., Ltd. We have reviewed the accompanying balance sheets of Chunghwa Telecom Co., Ltd. as of September 30, 2012 and 2011, and the related statements of operations] [Chunghwa Telecom Co., Ltd. and Subsidiaries Consolidated Financial Statements for the Nine Months Ended September 30, 2012 and 2011 and Independent Accountants’ Review Report INDEPENDENT ACCOUNTANTS’ 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 September 30, 2012] [Chunghwa Telecom Co., Ltd. and Subsidiaries GAAP Reconciliations of Consolidated Financial Statements for the Nine Months Ended September 30, 2012 and 2011 1. 1) Net Income Reconciliation Nine Months Ended September 30 2012 2011 NT$ NT$] [1 0/ 26 Chunghwa Telecom Co., Ltd.]

[The amendment of Chinese Annual Report 2011 Date of events: 201 2 / 09 /1 7 Contents: 1.Date of occurrence of the event:2012/09/17 Chunghwa Telecom Co., Ltd. 3.Relationship to the Company (please enter “head office” or “affiliate company”):head office 4.Reciprocal shareholding ratios: N/A 5.Cause of occurrence: To amend the Chinese Annual Report 2011 on page 89 and 121. 6.Countermeasures:To revise] [To announce the procurement of a batch of 3G mobile system equipments Date of events: 201 2 / 09 / 20 Contents: 1.Name and nature of the subject matter (e.g. land located at Sublot XX, Lot XX, North District, Taichung City): a batch of 3G mobile system equipments for 2012 expansion plan. 2.Date of the occurrence of the event:2012/09/20 3.Transaction] [To announce the acquisition of Taiwan Power Company Corporate Bonds Date of events: 201 2 / 09 / 24 Contents: 1.Name and nature of the subject matter (if preferred shares, the terms and conditions of issuance shall also be indicated, e.g. dividend yield):Taiwan Power Company Corporate Bonds (Code: B903US, B903UV, B903SN) 2.Date of occurrence of the event:2012/04/23~2012/09/24 3.Volume, unit price,] [Supplement announcement: the bid of procurement of Project A of MSER Network Equipment and Installation that the board approved on 2012/06/26 is awarded Date of events: 201 2 / 09 / 28 Contents: 1.Name and nature of the subject matter (e.g. land located at Sublot XX, Lot XX, North District, Taichung City): Project A of Broadband Aggregation Network MSER (Multi-Service] [Chunghwa Telecom holds a non-deal roadshow in Europe Date of events: 201 2 / 10 / 02 Contents: 1.Date of the investor conference:2012/10/07~2012/10/12 2.Time of the investor conference:9:00AM 3.Location of the investor conference: Abu Dhabi, London, Edinburgh, Frankfurt, Paris 4.Brief information disclosed in the investor conference: The meeting arrangement will be helped by CLSA. 5.The presentation of the investor conference] [6 To announce the procurement of broadband aggregation network MSER(Muiti-Service Edge Router) equipment and installation project Date of events: 201 2 / 10 / 04 Contents: 1.Name and nature of the subject matter (e.g. land located at Sublot XX, Lot XX, North District, Taichung City): Broadband Aggregation network MSER(Muiti-Service Edge Router)equipment and installation, etc. 2.Date of the occurrence of the] [7 Announcement for real estate acquirement by the company’s subsidiary, Light Era Development Co., Ltd. Date of events: 201 2 / 10 / 04 Contents: 1.Name and nature of the subject matter (e.g. land located at Sublot XX, Lot XX, North District, Taichung City): lands located at No. 427, 428, Lot Chinsun, Dayuan Township, Taoyuan County. 2.Date of the occurrence] [8 Explanation of the report that the company’s capex for the next year will be NT$37 billion Date of events: 201 2 / 10 / 05 Contents: 1.Name of the reporting media: Economic Daily 2.Date of the report:2012/10/05 3.Content of the report: The company’s capex for the next year will be NT$37 billion 4.Summary of the information provided by investors:] [9 To announce the Company’s September 2012 revenues Date of events: 2012/ 10 / 11 Contents: 1.Date of occurrence of the event:2012/10/11 3.Relationship to the Company (please enter “head office” or “affiliate company”):Head office 4.Reciprocal shareholding ratios: N/A 5.Cause of occurrence: Chunghwa Telecom today announced a 0.3% year-over-year increase in unaudited unconsolidated total revenue to NT$15.80 billion in September 2012.] [10 Chunghwa Telecom October 1 1 , 2012 This is to report the changes or status of 1) Sales volume 2) Funds lent to other parties 3) Endorsements and guarantees 4) Financial derivative transactions for the period of Sep 201 2 1) Sales volume (NT$ Thousand) Period Items 201 2 201 1 Changes % Sep Invoice amount 1 5 ,] [10 /1 2 Chunghwa Telecom Co., Ltd.]

[To announce the acquisition of Fubon Financial Holding Co., Ltd. Corporate Bonds Date of events: 201 2 / 08 /1 5 Contents: 1.Name and nature of the subject matter (if preferred shares, the terms and conditions of issuance shall also be indicated, e.g. dividend yield):Fubon Financial Holding Co., Ltd.- Corporate Bonds (Code: B97829, B97830) 2.Date of occurrence of the event:2012/06/05~2012/08/15] [Explanation of the report about Yen-Sung Lee be promoted to be CHT President Date of events: 201 2 / 08 / 15 Contents: 1.Name of the reporting media: Commercial Times 2.Date of the report:2012/08/15 3.Content of the report: Yen-Sung Lee will be promoted to be Chunghwa’s President. 4.Summary of the information provided by investors: None 5.Company’s explanation of the reportage] [Chunghwa Telecom holds investor conference for the first half of 2012 operation results Date of events: 201 2 / 08 / 15 Contents: 1.Date of the investor conference:2012/08/30 2.Time of the investor conference:2:00PM 3.Location of the investor conference: Room 1201, No. 21-3, Hsinyi Rd. Sec. 1, Taipei and teleconference 4.Brief information disclosed in the investor conference: Please refer to http://www.cht.com.tw/chtir] [To announce the acquisition of China Steel Corporation Corporate Bonds Date of events: 201 2 / 08 / 22 Contents: 1.Name and nature of the subject matter (if preferred shares, the terms and conditions of issuance shall also be indicated, e.g. dividend yield):China Steel Corporation Corporate Bonds (Code: B801A8) 2.Date of occurrence of the event:2012/08/22~2012/08/22 3.Volume, unit price, and total] [Explanation of the report that Chunghwa will spend NT$3 billion to build the new submarine cable Date of events: 201 2 / 08 / 22 Contents: 1.Name of the reporting media: Apple Daily 2.Date of the report:2012/08/22 3.Content of the report: In 2H 2012, Chunghwa Telecom is planning to build the third submarine cable between Taiwan and Kinmen as well] [6 Explanation of the report that NEC will have cooperation with Taiwan Power and Chunghwa Telecom Date of events: 201 2 / 08 / 27 Contents: 1.Name of the reporting media: Economic Daily News 2.Date of the report:2012/08/27 3.Content of the report: NEC will have cooperation with Taiwan Power and Chunghwa Telecom 4.Summary of the information provided by investors: None] [7 New appointment of business spokesperson Date of events: 201 2 / 08 / 29 Contents: 1.Type of personnel changed (please enter: spokesperson, acting spokesperson, financial officer, accounting officer, research and development officer, or internal audit officer):business spokesperson 2.Date of occurrence of the change:2012/08/29 3.Name, title, and resume of the replaced person: Yen-Sung Lee, Senior Executive Vice President of the] [8 The board of directors approves the participation of an urban renewal project located in Hsinchu City Date of events: 201 2 / 08 / 29 Contents: 1.Name and nature of the subject matter (e.g. land located at Sublot XX, Lot XX, North District, Taichung City): Lot number 133-3 and 134, Subsection 3, Dong-Men Section, East District, Hsinchu City, co-owned] [9 New appointment of Represent a tive Juristic-Person Director Date of events: 2012/0 8 / 29 Contents: 1.Date of occurrence of the change:2012/08/29 2.Name of juristic-person director/ supervisor: Ministry of Transportation and Communications 3.Name and resume of the replaced person: Shaio-Tung Chang, President of the Company; Master of Management Science, National Chiao Tung University 4.Name and resume of the replacement:] [10 New appointment of internal audit officer Date of events: 2012/0 8 / 29 Contents: 1.Type of personnel changed (please enter: spokesperson, acting spokesperson, financial officer, accounting officer, research and development officer, or internal audit officer):internal audit officer 2.Date of occurrence of the change:2012/08/29 3.Name, title, and resume of the replaced person: Cheng-Kann Wu, Chief Audit Executive of the Company,] [11 New appointment of President Date of events: 2012/0 8 / 29 Contents: 1.Date of the board of directors resolution or date of occurrence of the change:2012/08/29 2.Name and resume of the replaced general manager: Shaio-Tung Chang, President, and former Senior Vice President of the Company; Master of Management Science, National Chiao Tung University. 3.Name and resume of the new] [12 To announce the differences between ROC GAAP and US GAAP for the first half of 2012 financial statements Date of events: 2012/0 8 / 30 Contents: 1.Date of occurrence of the event:2012/08/30 2.Cause of occurrence: To announce the differences for the first half of 2012 financial statements between ROC GAAP and US GAAP. 3.Content of overseas financial report required] [13 New appointment of business acting spokesperson New appointment of business acting spokesperson Date of events: 2012/0 9 / 01 Contents: 1.Type of personnel changed (please enter: spokesperson, acting spokesperson, financial officer, accounting officer, research and development officer, or internal audit officer): business acting spokesperson 2.Date of occurrence of the change:2012/09/01 3.Name, title, and resume of the replaced person: Ming-Jung] [14 To announce the differences between its audited unconsolidated pretax income and its unaudited unconsolidated pretax income for 2Q 2012 Date of events: 2012/0 9 / 04 Contents: 1.Date of occurrence of the event:2012/09/04 3.Relationship to the Company (please enter “head office” or “affiliate company”):Head office 4.Reciprocal shareholding ratios: N/A 5.Cause of occurrence: The difference between Chunghwa’s audited unconsolidated pretax] [15 Chunghwa Telecom participates in 19th CLSA Investors’ Forum 2012 Date of events: 2012/0 9 / 05 Contents: 1.Date of the investor conference:2012/09/10~2012/09/12 2.Time of the investor conference:10:30AM 3.Location of the investor conference: Hong Kong 4.Brief information disclosed in the investor conference: The conference will be held by CLSA. 5.The presentation of the investor conference release: Please refer to http://newmops.tse.com.tw/.] [16 To announce the Company’s August 2012 revenues Date of events: 2012/0 9 / 10 Contents: 1.Date of occurrence of the event:2012/09/10 3.Relationship to the Company (please enter “head office” or “affiliate company”):Head office 4.Reciprocal shareholding ratios: N/A 5.Cause of occurrence: Chunghwa Telecom today announced a 7.5% year-over-year decrease in unaudited unconsolidated total revenue to NT$16.02 billion in August 2012.] [17 Chunghwa Telecom August 1 2 , 2012 This is to report the changes or status of 1) Sales volume 2) Funds lent to other parties 3) Endorsements and guarantees 4) Financial derivative transactions for the period of Aug 201 2 1) Sales volume (NT$ Thousand) Period Items 201 2 201 1 Changes % Aug Invoice amount 1 7 ,] [9 /1 1 Chunghwa Telecom Co., Ltd.]

[Chunghwa Telecom Announces President Transition Taipei, Taiwan, R.O.C. August 29, 2012 - Chunghwa Telecom Co., Ltd (TAIEX: 2412, NYSE: CHT) (“Chunghwa” or “the Company”), announced today that Mr. Shaio-Tung Chang will step down from his position as the President. With Mr. Shaio-Tung Chang’s retirement, Dr. Yen-Sung Lee, who has served as the senior executive vice president supervising the marketing and] [Chunghwa Telecom Reports Consolidated Operating Results for the Second Quarter and First Half of 2012 Taipei, Taiwan, R.O.C. August 30, 2012 - Chunghwa Telecom Co., Ltd. (TAIEX: 2412, NYSE: CHT) (“Chunghwa” or “the Company”) today reported its operating results for the second quarter and first half of 2012. All figures were prepared in accordance with generally accepted accounting principles of] [Chunghwa Telecom Co., Ltd. Financial Statements for the Six Months Ended June 30, 2012 and 2011 and Independent Auditors’ Report - 1 - INDEPENDENT AUDITORS’ REPORT To The Board of Directors and Stockholders of Chunghwa Telecom Co., Ltd. We have audited the accompanying balance sheets of Chunghwa Telecom Co., Ltd. as of June 30, 2012 and 2011, and the related] [Chunghwa Telecom Co., Ltd. and Subsidiaries Consolidated Financial Statements for the Six Months Ended June 30, 2012 and 2011 and Independent Auditors’ Report INDEPENDENT AUDITORS’ REPORT To the Board of Directors and Stockholders of Chunghwa Telecom Co., Ltd. We have audited the accompanying consolidated balance sheets of Chunghwa Telecom Co., Ltd. and subsidiaries (“the Company”) as of June 30, 2012] [Chunghwa Telecom Co., Ltd. and Subsidiaries GAAP Reconciliations of Consolidated Financial Statements for the Six Months Ended June 30, 2012 and 2011 1. 1) Net income reconciliation Six Months Ended June 30 2012 2011 NT$ NT$] [8 / 30 Chunghwa Telecom Co., Ltd.]

[GPON System Equipment Expansion for 2012 (one batch) Date of events: 201 2 / 07 / 19 Contents: 1.Name and nature of the subject matter (e.g. land located at Sublot XX, Lot XX, North District, Taichung City):GPON System Equipment Expansion for 2012(one batch). 2.Date of the occurrence of the event:2012/07/19 3.Transaction volume (e.g. XX square meters, equivalent to XX p’ing),] [The amendment of Chinese Annual Report 2011 Date of events: 201 2 / 07 / 20 Contents: 1.Date of occurrence of the event:2012/07/20 Chunghwa Telecom Co., Ltd. 3.Relationship to the Company (please enter “head office” or “affiliate company”):head office 4.Reciprocal shareholding ratios: N/A 5.Cause of occurrence: To amend the Chinese Annual Report 2011 on page 50 and 268. 6.Countermeasures:To revise] [To announce the acquisition of Taiwan Semiconductor Manufacturing Co., Ltd. Corporate Bonds Date of events: 201 2 / 08 / 03 Contents: 1.Name and nature of the subject matter (if preferred shares, the terms and conditions of issuance shall also be indicated, e.g. dividend yield):Taiwan Semiconductor Manufacturing Co., Ltd. -Corporate Bonds (Code: B618AY, B618B0) 2.Date of occurrence of the event:2012/03/12~2012/08/03] [To announce the Company’s July 2012 revenues To announce the Company’s July 2012 revenues Date of events: 201 2 / 08 / 10 Contents: 1.Date of occurrence of the event:2012/08/10 Chunghwa Telecom Co., Ltd. 3.Relationship to the Company (please enter “head office” or “affiliate company”):Head office 4.Reciprocal shareholding ratios: N/A 5.Cause of occurrence: Chunghwa Telecom today announced a 3.4% year-over-year] [5 Chunghwa Telecom August 1 0 , 2012 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 Jul 201 2 1) Sales volume (NT$ Thousand) Period Items 201 2 201 1 Changes % Jul Invoice amount 16,165,186 17,005,585 (-)840,399] [8 /1 3 Chunghwa Telecom Co., Ltd.]