Singapore Telecommunications Limited announced appointment of Yong Ying-I as Non-executive and independent Director, with effect from November 15, 2022. After reviewing the recommendation of the Corporate Governance and Nominations Committee and Ms. Yong's qualifications and experience, the Board has confirmed Ms. Yong's independence and approved her appointment as a non-executive independent Director. Working Experience: 2007 to 2015 - Infocomm Development Authority, Chairman 2011 to 2019 - National Research Foundation, Permanent Secretary (National Research & Development) 2012 to 2019 - Public Service Division, Prime Minister's Office, Permanent Secretary (Public Service Division) 2019 to March 2022 - Ministry of Communications & Information, Permanent Secretary 2019 to March 2022 - Cybersecurity Agency, Prime Minister's Office, Permanent Secretary 2021 to current - Central Provident Fund Board, Chairman 2016 to current - SG Innovate, Chairman July 2022 to current - Ministry of Communications & Information, Senior Adviser.

Other DirectorShips Past: 2011 to 2019 - National Research Foundation, Permanent Secretary (National Research & Development) 2012 to 2019 - Public Service Division, Prime Minister's Office, Permanent Secretary (Public Service Division) 2019 to March 2022 - Ministry of Communications & Information, Permanent Secretary 2019 to March 2022 - Cybersecurity Agency, Prime Minister's Office, Permanent Secretary. Other DirectorShips Present: 2021 to current - Central Provident Fund Board, Chairman 2016 to current - SG Innovate, Chairman July 2022 to current - Ministry of Communications & Information, Senior Adviser. Independent and non-executive Director of Sembcorp Industries Ltd. from 26 May 2003 to 22 April 2010.

Professional Qualifications: Master of Economics, University of Cambridge; Master of Business Administration, Harvard Graduate School of Business.