SmarTone Telecommunications : Notification to Registered Shareholders - Notice of Publication of (i) 2018/19 Annual Report, (ii) Circular in relation to General Mandates to Issue and Repurchase Shares, Final Dividend, Re-election of Directors and Notice of Annual General Meeting, and (iii) Proxy Form for 2019 Annual General Meeting (with Request Form)

SMARTONE TELECOMMUNICATIONS HOLDINGS LIMITED

數 碼 通 電 訊 集 團 有 限 公 司 *

(Incorporated in Bermuda with limited liability)

（在百慕達註冊成立之有限公司）

(Stock Code: 00315)

(股份代號: 00315)

N O T I F I C AT I ON LETTER 通 知 信 函

30 September 2019

Dear Shareholder,

SmarTone Telecommunications Holdings Limited (the ''Company'')

Notice of Publication of (i) 2018 /19 Annual Report, (ii) Circular in relation to General Mandates to Issue and Repurchase Shares, Final Dividend, Re-election of

Directors and Notice of Annual General Meeting, and (iii) Proxy Form for 2019 Annual General Meeting (the ''Current Corporate Communication'')

The English and Chinese versions of the Company's Current Corporate Communication are available on the Company's website at www.smartoneholdings.comand the HKExnews's website at www.hkexnews.hk, or the arranged printed form(s) of Current Corporate Communication is enclosed (if applicable). You may access the Current Corporate Communication by clicking ''Investor Relations'' on the home page of our website, viewing the respective documents through Adobe® Reader® or browsing through the HKExnews's website.

Shareholders may at any time choose to receive free of charge Corporate Communications(Note) either in printed form, or read the website version; and either in English language version only, Chinese language version only or both language versions, notwithstanding any wish to the contrary they have previously conveyed to the Company. If you want to receive another printed version of the Current Corporate Communication, or you would like to change your choice of language or means of receipt of the Company's Corporate Communications in future, please complete the Change Request Form in reverse side and send it to the Company c/o Computershare Hong Kong Investor Services Limited (the ''Branch Share Registrar''), using the mailing label and need not to affix a stamp when returning (if posted in Hong Kong). Otherwise, please affix an appropriate stamp. The address of Branch Share Registrar is 17M Floor, Hopewell Centre, 183 Queen's Road East, Wanchai, Hong Kong. You may also send email with a scanned copy of this Form to [e-mail]. The Change Request Form may also be downloaded from the Company's website at www.smartoneholdings.comor the HKExnews's website at www.hkexnews.hk.

Even if you have chosen (or are deemed to have consented) to receive all future Corporate Communications via Website version but for any reason you have difficulty in receiving or gaining access to the Current Corporate Communication, the Company will promptly upon your request send the Current Corporate Communication to you in printed form free of charge.

Should you have any queries relating to any of the above matters, please call the Company's telephone hotline at (852) 2862 8688 during business hours from 9 : 00 a.m. to 6 : 00 p.m. from Monday to Friday, excluding public holidays or send an email to [e-mail].

For and on behalf of

SmarTone Telecommunications Holdings Limited

Note: Corporate Communications include but not limited to (a) the directors' report, its annual accounts together with a copy of the auditors' report and, where applicable, its summary financial report; (b) the interim report and, where applicable, summary interim report; (c) a notice of meeting; (d) a listing document; (e) a circular; and (f) a proxy form.

各位股東:

數碼通電訊集團有限公司（「本公司」）

(i)2018/19 年報，(ii)有關發行及購回股份之一般性授權、末期股息、重選董事及股東週年大會通告之通函，以及(iii)2019 年股東週年大會代表委任表格（「本次公 司通訊文件」）之發佈通知

本公司的本次公司通訊文件中、英文版本已上載於本公司網站 (www.smartoneholdings.com)及香港交易所披露易網站(www.hkexnews.hk)，或已按安排附上本次公 司通訊文件之印刷本 (如適用 )。請在本公司網站主頁按「投資者關係」一項，並使用 Adobe® Reader®開啟查閱或在香港交易所披露易網站瀏覽有關文件。

（附註）

儘管 閣下早前曾向本公司作出公司通訊文件 收取方式或語言版本的選擇，但仍可以隨時更改有關選擇，轉為以印刷本或網上方式收取及只收取英文印刷 本、或只收取中文印刷本；或同時收取中、英文印刷本，費用全免。如 閣下欲收取本次公司通訊文件之另一語言印刷本，或欲選擇有別於 閣下所選擇的公司 通訊語言版本或收取方式，以更改日後收取公司通訊文件之語言版本及收取途徑之選擇 ，請 閣下填妥在本函背面的變更申請表格，並使用隨附之郵寄標籤寄 回，而毋須貼上郵票(如在香港投寄)；否則，請貼上適當的郵票。請將變更申請表格寄回香港中央證券登記有限公司 (「股份過戶登記分處」)，地址為香港灣仔皇 后 大 道 東 183 號 合 和 中 心 17M 樓。你亦可把已填妥之變更申請表格的掃描副本電郵到 [e-mail]。變 更申 請 表格 亦可 於本公 司 網 站 (www.smartoneholdings.com)或香港交易所披露易網站(www.hkexnews.hk)內下載。

股東如已選擇以網上方式收取日後公司通訊文件(或被視為已同意以網上方式收取)但因任何理由未能閱覽載於網站的本次公司通訊文件，股東只要提出要求，我 們將盡快向 閣下寄上所要求的有關文件的印刷版本，費用全免。

如 對 本 函 內 容 有 任 何 疑 問 ， 請 致 電 本 公 司 電 話 熱 線 ( 8 5 2 ) 2 8 6 2 8 6 8 8 ， 辦 公 時 間 為 星 期 一 至 五 ( 公 眾 假 期 除 外 ) 上 午 9 時 正 至 下 午 6 時 正 或 電 郵 至 [e-mail]。

數碼通電訊集團有限公司

謹啟

2019 年 9 月 30 日

附註： 公司通訊文件包括但不限於：(a)董事會報告、年度財務報表連同核數師報告及如適用，財務摘要報告；(b)中期報告及如適用，中期摘要報告；(c)會議通告；(d)上市文件；(e)通函；及(f)代表委任表格。

• 僅供識別

CCS6742

Printi ng the Shareholder' s information (English Name and Address)

印上股東資料 ( 英文姓名及地址 )

Change Request Form 變更申請表格

To: SmarTone Telecommunications Holdings Limited (the "Company") (Stock Code: 00315)

c/o Computershare Hong Kong Investor Services Limited 17M Floor, Hopewell Centre, 183 Queen's Road East, Wanchai, Hong Kong

致： 數碼通電訊集團有限公司(「本公司」)

( 股份代號：00315)

經香港中央證券登記有限公司

香港灣仔皇后大道東 183 號合和中心 17M 樓

I/We have already received a printed copy of the Current Corporate Communication in Chinese/English or have chosen (or are deemed to have consented) to read the Current Corporate Communication posted on the Company's website:

本人╱我們已收取本次公司通訊文件之英文╱中文印刷本或已選擇 (或被視為已同意) 瀏覽本公司網站所登載之本次公司通訊文件：

Part A I/We would like to receive another printed version of the Current Corporate Communication of the Company as indicated below: 甲 部 本人╱我們現在希望以下列方式收取 貴公司本次公司通訊文件之另一語言印刷本：

(Please mark ONLY ONE (X) of the following boxes 請從下列選擇中，僅在其中 一個空格內劃上 「X」號)

I/We would like to receive a printed copy in English now. 本人╱我們現在希望收取一份英文印刷本。

I/We would like to receive a printed copy in Chinese now.

本人╱我們現在希望收取一份中文印刷本。

I/We would like to receive both the printed English and Chinese copies now. 本人╱我們現在希望收取英文和中文各一份印刷本。

Part B I/We would like to change the choice of language and means of receipt of future Corporate Communications of the Company as indicated below:

乙 部 本人╱我們現在希望更改以下列方式收取 貴公司日後公司通訊文件之語言版本及收取途徑：

(Please mark ONLY ONE (X) of the following boxes 請從下列選擇中，僅在其中 一個空格內劃上 「X」號)

read the Website version of all future Corporate Communications published on the Company's website in place of receiving printed copies; and receive a notification letter of the publication of Corporate Communication on website; OR

瀏覽在公司網站發表之公司通訊文件網上版本，以代替印刷本，並收取公司通訊文件已在網上刊發之通知信函；或 to receive the printed English version of all future Corporate Communications ONLY; OR

僅收取公司通訊文件之英文印刷本；或

to receive the printed Chinese version of all future Corporate Communications ONLY; OR 僅收取公司通訊文件之中文印刷本；或

to receive both printed English and Chinese versions of all future Corporate Communications. 同時收取公司通訊文件之英文及中文印刷本。

Name(s) of Shareholder(s)#		Date
股東姓名#		日期
(Please use ENGLISH BLOCK LETTERS 請用英文正楷填寫)

Address# 地址#

(Please use ENGLISH BLOCK LETTERS 請用英文正楷填寫)

Contact telephone number	Signature(s)
聯絡電話號碼	簽名

# You are required to fill in the details if you download this Change Request form from the Company's Website. 假如你從公司網站下載本變更申請表格，請必須填上有關資料。 Notes 附註：

1. Please complete all your details clearly.
   請 閣下清楚填妥所有資料。
2. If your shares are held in joint names, the shareholder whose name stands first on the register of members of the Company in respect of the joint holding should sign on this Change Request Form in order to be valid.
   如屬聯名股東，則本變更申請表格須由該名於本公司股東名冊上就聯名持有股份其姓名位列首位的股東簽署，方為有效。
3. Any form with more than one box marked (X), with no box marked (X), with no signature or otherwise incorrectly completed will be void.
   如在本表格作出超過一項選擇、或未有作出選擇、或未有簽署、或在其他方面填寫不正確，則本表格將會作廢。
4. For the avoidance of doubt, we do not accept any special instructions written on this Change Request Form.
   為免存疑，任何在本變更申請表格上的額外手寫指示，本公司將不予處理。
5. Please note that both printed English and Chinese versions of all the Company's Corporate Communications which we have sent to our Shareholders in the past 12 months are available from the Company on request. They are also available on the Company's website (www.smartoneholdings.com) for five years from the date of first publication.
   公司備有於過去 12 個月曾寄發予股東的公司通訊文件的中、英文版印刷本。該等通訊文件亦由首次登載日期起計，持續 5 年載於公司網站(w ww.s m arto ne h ol di ngs.c om)上。

STHH-30092019-1(0)

閣下寄回此變更申請表格時，請將郵寄標籤剪貼於信封上。	郵寄標籤 MAILING LABEL
如在本港投寄毋須貼上郵票。
Please cut the mailing label and stick this on the envelope	香港中央證券登記有限公司
Computershare Hong Kong Investor Services Limited
to return this Change Request Form to us.
簡便回郵號碼 Freepost No. 37
No postage stamp necessary if posted in Hong Kong.
香港 Hong Kong