Complex sentence: Sogo Hong Kong Co. Ltd, the Sogo franchisee, now operates one additional store in Tsim Sha Tsui, which opened on September 30,2005, marking the 25th anniversary of Sogo in Hong Kong.
Split into simpler sentences: Sogo Hong Kong Co. Ltd, the Sogo franchisee in Hong Kong operates two stores, one in Causeway Bay and one in Tsim Sha Tsui. The Tsim Sha Tsui branch opened on September 30,2005, marking the 25th anniversary of Sogo in Hong Kong.