United Microelectronics Corporation reported August 2026 net sales of NT$25.04 billion, a 30.71% increase from the prior year's NT$19.16 billion. Year-to-date net sales reached NT$178.66 billion, up 14.66% compared to the same period in 2025. The company also disclosed no funds lent to other parties, no endorsements or guarantees, and minimal financial derivative transactions for the month. United Microelectronics Corporation operates in the semiconductor industry as a dedicated foundry.

United Microelectronics Corporation announced that it has fully received the subscription proceeds for its second domestic unsecured convertible corporate bond issuance. The total amount collected by the subscribing bank was NT$4,792,798,780, which has been remitted to the company's designated depository bank. This event occurred on September 2, 2026. United Microelectronics Corporation operates in the semiconductor industry and is a leading provider of foundry services.

On August 26, 2026, United Microelectronics Corporation's Board of Directors resolved to issue up to US$1.8 billion in 7th Unsecured Overseas Convertible Bonds. Each bond has a face value of US$200,000 and is tentatively priced at 100% with a 0% coupon rate. The proceeds will be used for purchasing machinery, equipment, and facilities. The issuance includes Tranche A and Tranche B, with the Chairman authorized to determine final terms based on market conditions. This financing activity is material as it involves significant capital raising that may impact equity dilution upon conversion. United Microelectronics Corporation operates in the semiconductor industry, specifically providing integrated circuit foundry services.

United Microelectronics Corporation reported July 2026 net sales of NT$23.84 billion, an 18.98% increase from the prior year's NT$20.04 billion. Year-to-date net sales reached NT$153.61 billion, up 12.41%. The company reported no funds lent to other parties and no endorsements or guarantees. Financial derivative transactions included unwritten-off trading contracts with a fair value loss of NT$3.18 million and realized losses of NT$35.90 million. United Microelectronics Corporation operates in the semiconductor industry, specializing in foundry services for integrated circuits.

United Microelectronics Corporation announced that it has fully received the subscription proceeds from its first domestic unsecured convertible corporate bond issuance. The total amount collected by the subscribing bank was NT$12,120,000,000, which has been remitted to the company's designated depository bank. This event occurred on August 5, 2026. United Microelectronics Corporation operates in the semiconductor industry and is a leading provider of foundry services for integrated circuits.