Yao Yong Real Property Co., Ltd. (“YYRP”) was incorporated in 2002. YYRP engages mainly in real estate management and  leasing business. LED acquired 100% ownership interest of YYRP on March 1, 2010.  Chunghwa established Chunghwa Telecom Singapore Pte., Ltd. (“CHTS”) in July 2008, CHTS engages mainly in  telecommunication wholesale, internet transfer services, international data, long distance call wholesales to carriers and the  world satellite business.  Chunghwa established Chunghwa Telecom Japan Co., Ltd. (“CHTJ”) in October 2008. CHTJ engages mainly in  telecommunication business, information processing and information providing service, development and sale of software and  consulting services in telecommunication. InfoExplorer Co., Ltd. (“IFE”) issued new shares as the consideration to merge with International Integrated System, Inc.  and e-ToYou International, Inc. on April 1, 2011. After the merger, IFE became the surviving entity and was renamed as  International Integrated System, Inc. (“IISI”). International Integrated System, Inc. and e-ToYou International, Inc. were  dissolved. As a result of the additional shares being issued by IFE in connection with this transaction, Chunghwa’s ownership  interest in IISI decreased from 49% to 33% after the merger, and after the stockholders’ meeting of IISI on June 24, 2011,  Chunghwa lost control of the board of directors. Due to this loss of control, IISI and its subsidiaries including IESA and IEHK,  were deconsolidated and going forward the investment is accounted for as an equity method investment. Chunghwa Investment Co., Ltd. (“CHI”) was established in 2002. CHI engages mainly in professional investing in  telecommunication business, and telecommunication valued-added services. CHI was equity-method investee of the parent  company. Chunghwa acquired over 50% shares of CHI on September 2009. Chunghwa Precision Test Tech. Co., Ltd. (“CHPT”) was established in 2005 as the subsidiary of CHI. CHPT engages mainly  in production and marketing of semiconductor testers and printed circuit boards. Chunghwa Precision Test Tech. USA Corporation (“CHPT(US)”) was established by CHPT in 2010. CHPT(US) engages  mainly in production and marketing in semiconductor testers and printed circuit boards. Chunghwa Investment Holding Company (“CIHC”) was established by CHI in 2004. CIHC engages mainly in investment  activities. CHI One Investment Co., Ltd. (“COI”) was established by CHI in 2009. COI engages mainly in investment activities. Chunghwa has established New Prospect Investments Holdings Ltd. (“New Prospect”) in March 2006. The holding company  is operating as an investment company and Chunghwa has 100% ownership interest in an amount of US$1 in the holding  company as of December 31, 2011. Chunghwa has established Prime Asia Investments Group Ltd. (“Prime Asia“) in March 2006. Prime Asia engages mainly in  investment activities. Chunghwa Hsingta Company Ltd. (“CHC”) was established by Prime Asia in December 2010. CHC engages mainly in  investment activities. Chunghwa Telecom (China) Co., Ltd. (“CTC”) was established by CHC in March 2011. CTC engages mainly in energy  conserving and providing services of planning, design, and intergration of information systems. PART III F-13