POSCO is set for a share repurchase worth of 1 trillion KRW to enhance shareholder value Share repurchase will be carried out through trust agreement for one year period * Contract duration : ’20. 4. 13 ~’21. 4. 12 Share Repurchase ’94~’98 ’99~’00* ’03~’07 4,686 12,771 13,198 ○ Repurchased 30,655 thousand shares to stabilize the stock price (’94 ~ ’07) ○ Disposed 14,290 thousand shares to raise capital for ESOP and list the stock on the London and Tokyo Stock Exchange ○ Cancelled 9,294 thousand shares to raise shareholder value * Treasury stock as of April 10, 2020 : 7,071 thousand shares (8.1%) ※ History of POSCO share repurchase, cancellation and disposal (thousand shares) [ History of Share Repurchase ] ※ Purpose of share buyback - Stabilize the stock price and enhance shareholder value * During ’99~’00, POSCO acquired treasury shares from the government to privatize the company Exhibit 99.1