www.umc.com
Exhibit
Exhibit Description
99.1 Announcement on 2025/07/09: the trading and pledge of UMC common shares by directors, executive officers and 10% shareholders of UMC
www.umc.com
Exhibit
Exhibit Description
99.1 Announcement on 2025/07/09: the trading and pledge of UMC common shares by directors, executive officers and 10% shareholders of UMC
Exhibit 99.1
United Microelectronics Corporation
For the month of June, 2025
This is to report 1) the trading of directors, executive officers and 10% shareholders of United Microelectronics Corporation (“UMC”) (NYSE: UMC); 2) the pledge and clear of pledge of UMC common shares by directors, executive officers and 10% shareholders of UMC;
Title |
Name |
Number of shares as of May 31, 2025 |
Number of shares as of June 30, 2025 |
Changes |
Executive Vice President Senior Vice President Senior Vice President Senior Vice President Senior Vice President Vice President Vice President Vice President Vice President Vice President Vice President Vice President Vice President |
Ming Hsu Oliver Chang Chitung Liu TS Wu G C Hung C C Hsu S F Tzou Osbert Cheng Jerry CJ Hu Steven S Liu Francia Hsu Mindy Lin Eric Chen |
7,195,400 4,435,889 4,769,517 2,598,784 3,152,766 5,204,043 925,308 2,101,200 2,479,200 1,546,200 868,200 2,769,125 976,200 |
6,725,400 3,465,889 4,569,517 2,488,784 2,682,766 4,404,043 795,308 2,031,200 2,397,200 1,296,200 778,200 2,733,125 876,200 |
(470,000) (970,000) (200,000) (110,000) (470,000) (800,000) (130,000) (70,000) (82,000) (250,000) (90,000) (36,000) (100,000) |
Title |
Name |
Number of shares as of May 31, 2025 |
Number of shares as of June 30, 2025 |
Changes |
Vice President |
Steven S Liu |
1,380,000 |
1,296,000 |
(84,000) |