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CLP Holdings Limited

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8 Laguna Verde Avenue, Hung Hom

Kowloon, Hong Kong

26 March 2013

Dear Shareholder,

?? Tel (852) 2678 8111

?? Fax (852) 2760 4448

?? Website www.clpgroup.com

1. 2012 Annual Report and 2012 Online Sustainability Report

The English and Chinese versions of CLP Holdings (the Company) 2012 Annual Report are enclosed herewith for your attention. They have been available on the Corporate Governance section on the Company's website at www.clpgroup.com and on the website of Hong Kong Exchanges and Clearing Limited (HKEx) at www.hkex.com.hk since 11 March 2013. The English and Chinese versions of CLP Group 2012 Online Sustainability Report are also available on the Company's website. The Online Sustainability Report is an interactive e-book. Shareholders are therefore recommended to read it online instead of on printed copies.

2. Annual General Meeting

The fifteenth Annual General Meeting (AGM) of the Company will be held at the Jockey Club

Auditorium, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong on Tuesday,

30 April 2013 at 11:00 a.m. A Notice of AGM and Proxy Form are attached. They are also available on the Corporate Governance section on the Company's website and on the website of HKEx. The Register of Shareholders will be closed from 29 April 2013 to 30 April 2013, both days inclusive. To be entitled to attend and vote at the AGM, please lodge all transfers with the Company's Registrars, Computershare Hong Kong Investor Services Limited, 17th Floor, Hopewell Centre, 183 Queen's Road East, Wanchai, Hong Kong, for registration not later than 4:30 p.m. on Friday, 26 April 2013.

3. Choice of language and means of receipt of corporate communications

The attached reply form asks whether, in the future, you wish to receive the Company's corporate communications(Note) in printed form or by electronic means through our website and, if in printed form, whether you wish to receive English language version only, Chinese language version only or both language versions. To minimise use of paper and to save printing and mailing costs, the Company recommends you to elect to receive corporate communications electronically on the Company's website. To make your choice, please complete the enclosed reply form and sign and return it to the Company's Registrars, Computershare Hong Kong Investor Services Limited using the provided prepaid mailing label.

If the Company does not receive a duly completed and signed reply form from you or receives no response from you indicating that you object to receiving corporate communications in electronic form on the Company's website on or before 25 April 2013, you are deemed, until you inform the Company otherwise by reasonable notice in writing (not less than 7 days) at the Company's office or that of the Company's Registrars or via e-mail (cosec@clp.com.hk or clp.ecom@computershare.com.hk), to have consented to receive all our future corporate communications in electronic form on the Company's website instead of receiving them in printed form. In that event, when the Company makes a corporate communication, we will send you a notification that the corporate communication has been made available on the Company's website. The notification will be sent to you by e-mail (if you have provided an e-mail address) or (if you have not provided an e-mail address) by post to you at your address as it appears in the Company's Register of Shareholders maintained by the Company's Registrars.

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You may change your choice of language (English and/or Chinese) and means of receipt (in printed form or through our website) of the Company's future corporate communications, free of charge, at any time by reasonable notice in writing (not less than 7 days) to the Company or the Company's Registrars or via e-mail (cosec@clp.com.hk or clp.ecom@computershare.com.hk), notwithstanding any wish to the contrary you have previously conveyed to the Company or the Company's Registrars. Even if you have chosen (or are deemed to have consented) to receive all future corporate communications by electronic means but for any reason you have difficulty in receiving or gaining access to the corporate communications, we will promptly, upon your request, send the corporate communications to you in printed form free of charge. Please note that printed copies of the English and Chinese versions of all future corporate communications will be available from the Company and the Company's Registrars on request. They will also be available on the Company's website at www.clpgroup.com for five years from the date of first publication and on the website of HKEx at www.hkex.com.hk.

4. CLP's "green" initiative

As a continuing "green" initiative, CLP will donate HK$60 to charity for each Shareholder who elects to receive our corporate communications electronically and for each feedback that we receive on the Online Sustainability Report, up to a maximum donation of HK$350,000. Please refer to the inside back cover of the 2012 Annual Report for details of this year's initiative.

If you have any query relating to any of the above matters, please call the Company's hotline on 2678 8228 from 9 a.m. to 5 p.m. (Monday to Friday, excluding Hong Kong public holidays) or e-mail to cosec@clp.com.hk.

Yours faithfully,

April Chan

Company Secretary

Encl.

Note: Corporate communications refer to Interim/Annual Reports, notices, documents or other publications of the Company (including any "corporate communication" as defined in the Rules Governing the Listing of Securities on The Stock Exchange of Hong

Kong Limited).

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POSTAGE PAID HONG KONG PORT PAYE

PERMIT NO.

101

ECONOMY

If undelivered, please return to: Computershare Hong Kong Investor Services Limited G.P.O. Box 269 Hong Kong

Please complete and sign this reply form and return it by cutting and sticking the mailing label on an envelope to

CLP Holdings' Registrars, Computershare Hong Kong Investor Services Limited.

REPLY FORM

To: Computershare Hong Kong Investor Services Limited

17M Floor, Hopewell Centre

183 Queen's Road East, Wanchai, Hong Kong

I/We would like to receive CLP Holdings' future corporate communications:

(Please "?" only one box.)

by electronic means through CLP Holdings' website (www.clpgroup.com) instead of in printed form with an e-mail notification to my/our e-mail address or a notification letter of the publication of

(please fill in your e-mail address)

corporate communications on website; or

in printed form in English only; or in printed form in Chinese only; or

in printed form in both English and Chinese.

I/We have noted the following Personal Information Collection Statement and provide the information as requested.

Signature(s): Date:

Name(s) of Shareholder(s) in English Name(s) of Shareholder(s) in Chinese

(Please use BLOCK LETTERS)

Contact Telephone Number

Notes: 1. If the Company does not receive this reply form or receives no response indicating the objection from you by 25 April 2013, you are deemed to have consented to receive our corporate communications on our website. All future corporate communications will be sent out in the manner specified in the Company's letter dated 26 March 2013 and we will send you a notification letter of the publication of the corporate communication on website.
2. If your shares are held in joint names, the Shareholder whose name stands first on the Register of Shareholders of the Company in respect of the joint holding should sign on this reply form in order to be valid.
3. The above instruction will apply to all future corporate communications to be sent to Shareholders of the Company until you notify otherwise by reasonable notice in writing (not less than 7 days) to the Company or the Company's Registrars.
4. Shareholders can change the choice of language and means of receipt of the Company's corporate communications at any time by reasonable notice in writing (not less than 7 days) to the Company or the Company's Registrars.
5. We cannot accept any special instructions written on this reply form. Please write to us separately if you have any.
6. Corporate communications include Interim/Annual Reports, notices, documents or other publications of CLP Holdings (including any " corporate communication" as defined in the Rules Governing the Listing of Securities on The Stock Exchange of Hong Kong Limited).
7. Printed copies of the English and Chinese versions of all future corporate communications will be available from the Company and the Company's Registrars on request. They are also available on the Company's website (www.clpgroup.com) for five years from the date of first publication.
8. As a "green" initiative, CLP will donate HK$60 to charity for each Shareholder who elects to receive CLP Holdings' future corporate communications electronically and for each feedback that we receive on the Online Sustainability Report, up to a maximum donation of HK$350,000. Please refer to the inside back cover of the 2012 Annual Report for details of this initiative.

PERSONAL INFORMATION COLLECTION STATEMENT

Your supply of your Personal Data to CLP Holdings is on a voluntary basis. "Personal Data" in this statement has the same meaning as "personal data" defined under the Personal Data (Privacy) Ordinance, Cap 486 ("PDPO"), which may include but not limited to your name, identity card number, mailing address, telephone number, e-mail address, login name and/or your opinion. Your Personal Data is collected for the purposes of verifying and recording your choice of language and means of receipt of CLP Holdings' corporate communications and the delivery of those corporate communications. You have the right to request access to and/ or correction of your Personal Data in accordance with the provisions of the PDPO. We have the right to charge a reasonable fee for processing any Personal Data access request. Any such request for access to and/or correction of your Personal Data should be made in writing by either of the following means:

By mail to: Personal Data Privacy Officer

Computershare Hong Kong Investor Services Limited

17M Floor, Hopewell Centre, 183 Queen's Road East, Wanchai, Hong Kong

By e-mail to: hkinfo@computershare.com.hk

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MAILING LABEL

Please cut the mailing label and stick it on an envelope to return this reply form to us.

No postage is necessary if posted in Hong Kong.

Computershare Hong Kong Investor Services Limited

Freepost No. 37

Hong Kong

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