TSMC (台積電) announced on July 22, 2026 that it would issue NT$18.5 billion (新台幣185億元) in unsecured ordinary corporate bonds, designated as green bonds, according to CNA (cna.com.tw) and UDN Money (money.udn.com). Both outlets confirm the proceeds will be used for green building and environmental-related expenditures. The CNA report identifies the issuer explicitly as "the foundry company TSMC," while a separate UDN Money article notes the stock code (2330) alongside the same NT$18.5 billion figure, corroborating the headline number across two independent articles from the same date.
According to TSMC's public filing as reported by CNA, the bond issuance is split into two classes: a 5-year Class A tranche worth NT$14 billion and a 10-year Class B tranche worth NT$4.5 billion. UDN Money's reporting on both money.udn.com articles (story 9644764 and story 9644841) independently confirms the identical breakdown — NT$14 billion for the 5-year Class A and NT$4.5 billion for the 10-year Class B.
On pricing, CNA reports the Class A tranche carries a fixed annual interest rate of 2.03%, while the Class B tranche carries a fixed annual interest rate of 2.1%. UDN Money's coverage repeats the same two rates verbatim across both of its articles, giving three separate confirmations of the 2.03%/2.1% split.
| Tranche | Maturity | Amount | Fixed Annual Rate |
|---|---|---|---|
| Class A | 5 years | NT$14 billion | 2.03% |
| Class B | 10 years | NT$4.5 billion | 2.1% |
| Total | — | NT$18.5 billion | — |
According to CNA, TSMC stated that funds raised through the issuance "will be used for green building and green environmental-related expenditures" (募得資金將用於綠建築及綠色環保相關支出). The same use-of-proceeds language appears in UDN Money's report, which reiterates that the raised capital is designated for green building and environmental spending, matching the green-bond designation given to the offering.
TSMC's board of directors approved a ceiling of NT$60 billion (600億元) in February 2026 (115年2月) for unsecured ordinary corporate bonds to be raised in multiple tranches in the domestic market, according to both CNA and UDN Money. CNA reports this ceiling was set "to support the funding needs of capacity expansion and green-related spending" (為支應產能擴充及綠色相關支出的資金需求). The NT$18.5 billion issuance announced on July 22, 2026 is identified by both CNA and two separate UDN Money articles as the third tranche of TSMC's 2026 bond program (115年度第3期公司債). One of the UDN Money articles specifically labels this third tranche a "green bond" (綠色債券), consistent with CNA's characterization of the entire NT$18.5 billion issuance.
According to CNA, TSMC stated it "will appoint Taishin Securities (台新綜合證券) as the lead underwriter" for the issuance. A UDN Money article (story 9644841) independently reports the identical appointment of Taishin Securities as the main underwriter for the NT$18.5 billion green bond, corroborating CNA's account from a separate outlet.
Across CNA and two UDN Money articles, the reported figures are internally consistent: the NT$18.5 billion total splits precisely into a NT$14 billion five-year tranche at 2.03% and a NT$4.5 billion ten-year tranche at 2.1%, and this issuance represents the third tranche drawn against the NT$60 billion ceiling TSMC's board approved in February 2026. The consistent labeling of the offering as a green bond across all three sources, paired with the repeated use-of-proceeds language tying funds to green building and environmental spending, indicates this tranche is being positioned within TSMC's broader NT$60 billion domestic bond program as a designated instrument for environmental-related capital needs, distinct from the program's stated capacity-expansion purpose.
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