MTT Group Holdings Limited — Earnings Release 2013

Jan 13, 2014

Hong Kong Exchanges and Clearing Limited and The Stock Exchange of Hong Kong Limited take no responsibility for the contents of this announcement, make no representation as to its accuracy or completeness and expressly disclaim any liability whatsoever for any loss howsoever arising from or in reliance upon the whole or any part of the contents of this announcement.

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PACMOS TECHNOLOGIES HOLDINGS LIMITED （弘茂科技控股有限公司）*

(Incorporated in Bermuda with limited liability)

(Stock Code: 1010)

PROFIT ALERT

This announcement is made by the Company pursuant to Rule 13.09 of the Listing Rules and the inside information provisions under Part XIVA of the Securities and Futures Ordinance (Chapter 571 of the Laws of Hong Kong).

Based on the preliminary review of the management accounts of the Group, the Group expects to record an increase in consolidated profit attributable to shareholders of the Company for the year ended 31 December 2013, as compared with consolidated profit before gain from discontinued operations last year. This profit alert announcement is only based on the preliminary calculations by the Company’s management according to the management accounts of the Group, which has not been reviewed nor audited by the Company’s auditors.

Shareholders and potential investors are advised to exercise caution when dealing in the shares of the Company.

This announcement is made by PacMOS Technologies Holdings Limited (the “ Company ”, together with its subsidiaries, the “ Group ”) pursuant to Rule 13.09 of the Rules Governing the Listing of Securities on The Stock Exchange of Hong Kong Limited (the “ Listing Rules ”) and the inside information provisions under Part XIVA of the Securities and Futures Ordinance (Chapter 571 of the Laws of Hong Kong).

Based on the preliminary review of the management accounts of the Group, the board of directors of the Company (the “ Board ”) wishes to announce that the Group expects to record an increase in consolidated profit attributable to shareholders of the Company for the year ended 31 December 2013, as compared with consolidated profit before gain from discontinued operations last year, primarily attributable to (i) an unrealized fair value gains of approximately HK$43 million upon mark to market valuation of the Company’s investment of approximately 729,919 ordinary shares

• For identification purpose only

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of ChipMOS Technologies (Bermuda) Limited (“ ChipMOS ”) as of 31 December 2013, calculated on the basis of the difference between the book value of US$11.6027 (equivalent to approximately HK$90.50) per share as of 31 December 2012 and the closing market price of US$19.24 (equivalent to approximately HK$150.07) per share as of 31 December 2013 and (ii) a gain of approximately HK$8 million arising from the disposal of an aggregate of 150,000 ordinary shares of ChipMOS on The Nasdaq stock market in a series of transactions during the year at an average price of approximately US$18.51 (equivalent to approximately HK$144.38). ChipMOS is listed on the Nasdaq market and its company symbol is “IMOS”. Further information about ChipMOS can be obtained from the Nasdaq website: http://www.nasdaq.com.

The Group’s business in design and trading of integrated circuit products in the People’s Republic of China is expected to record a net gain as compared with a net loss last year, due to increase in demand from customers.

This profit alert announcement is only based on the preliminary calculations by the Company’s management according to the management accounts of the Group, which has not been reviewed nor audited by the Company’s auditors.

Shareholders and potential investors are advised to exercise caution when dealing in the shares of the Company.

As at the date of this announcement, the Board comprises five Directors. The executive Directors are Mr. Yip Chi Hung and Mr. Chen Che Yuan and the independent non-executive Directors are Mr. Wong Chi Keung, Mr. Cheng Hok Ming, Albert and Dr. Ma Kwai Yuen.

Unless otherwise specified, for illustration purpose, amounts denominated in US$ are translated into HK$ at the rate of US$1 = HK$7.8.

By order of the Board of

PacMOS Technologies Holdings Limited Yip Chi Hung Chairman

Hong Kong, 13 January 2014

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