is opened. 25 February – Keppel TatLee Bank merges into OCBC Bank. 27 February – During the official opening of the Changi Airport line, 15 out of 16 stations along the North East MRT line (including Potong Pasir and Punggol) will open after a review, leaving Woodleigh closed. 28 February – Construction starts on National Trades Union Congress's new building, with completion by 2004. March 1 March – The prefix '6' is added to all landline phones. The Changi Business Aviation Centre is opened for business travellers who fly via executive jets. Plans are announced to strengthen the aviation industry, including a future dedicated Business Aviation Centre in Changi Airport subject to demand and research and development projects via AIRport Systems Technology, Research, and Innovation Platform (AIRSTRIP). 3 March – TV Works is renamed to Channel i. 5 March – Construction of the five-stage Circle MRT line starts, spanning orbitally. The first two stages are scheduled for completion by 2006 with the rest by 2010. 8 March – Singapore Press Holdings's new headquarters (named 'News Centre' on 11 November) is officially opened. 16 March – Raffles Hospital is officially opened. 20 March – PSA Corporation acquires logistics company CWT. 27 March – Singapore Management University's new campus starts construction. Targets for primary cohort in universities will be raised from 21 percent now to 25 percent in 2010. April 1 April – The Board of Commissioners of Currency, Singapore stops issuing 1-cent coins. The Singapore Business Federation is launched to represent businesses in Singapore. 10 April – The Singapore Tyler Print Institute (now STPI - Creative Workshop & Gallery) is officially opened in Clarke Quay. 13 April – A contact-based card system used for travel, EZ-Link, is launched for sale. 15 April – The Health Sciences Authority orders a stop on Slim 10 sales in a suit caused by one death and a high-profile liver failure case. 25 April – The Merlion is relocated to Merlion Park, 30 years since it first launched. May 5 May – Khoo Swee Chiow reaches the North Pole, becoming the first Singaporean to do so. As a result, he conquered both the North Pole and the South Pole. 15 May – StarHub and Singapore Cable Vision agree to merge with the new entity starting operations on 1 October. 19 May – The Toa Payoh Bus Interchange opens, the first air-conditioned interchange. June June – Zhenghua