Page 1 of 2 March 2006
Form G
FORM OF SHARE BUYBACK REPORT TO THE STOCK EXCHANGE

OF HONG KONG LIMITED (“THE EXCHANGE”)

FORM G

To: The Head of the Listing Division (Fax:2523 1254 / Tel: Mr. Chan 28403407)
The Listing Division
(Stock Code: 2018)

Description of Securities: Ordinary Shares

A. Purchase Report

We hereby report the following purchases by our company of the above securities.

HKD

Trading Day/Date
Number of
Securities
Purchased
Method of
Purchase
Price per Share
or Highest Price
Paid $
Lowest Price
Paid $
Total
Paid $

21 January 2008 1,000,000 On the exchange 7.84 7.58 7,774,410.69

Total 1,000,000 7,774,410.69

Either on the Exchange, on another stock exchange (stating the name of the exchange), by private
arrangement or by general offer.

B. Additional Information for company’s whose primary listing is on the Exchange

1. Number of such securities purchased on the Exchange in the
year to date (since ordinary resolution) (a) 8,400,000

2. % of issued share capital at time ordinary resolution
passed acquired on the Exchange since date of resolution

( (a) x 100 )
1,248,000,000 0.6731 %

Page 2 of 2 July 2001
Form G
We hereby confirm that the purchases set out in A above which were made on the Exchange were made in
accordance with the listing rules of the Exchange entitled “Rules Governing the Listing of Securities” and that
there have been no material changes to the particulars contained in the Explanatory Statement dated 27 April
2007 which has been filed with the Exchange. We also confirm that any purchases set out in A above which
were made on another stock exchange were made in accordance with the domestic rules applying to purchases
made on that other exchange.

Yours faithfully


Signed

Name: Benjamin Zhengmin Pan
Director
for and on behalf of
AAC ACOUSTIC TECHNOLOGIES HOLDINGS INC.