4 Bond Issues from 3 Leading Companies to Launch in Dec 2025, Retail Investors Can Buy, Highest Interest Rate Up to 5.80% per Year

Bonds remain a popular asset among investors seeking steady returns with lower risk compared to common stock investments.

Especially bonds issued by large, reputable companies with stable credit ratings, which attract both retail and institutional investors.

The year-end bond offerings are a busy period, with many companies launching new bond series to raise funds and meet investor demand.

In December 2025, there are four quality bonds from three leading companies notable for allowing retail investors access.

These bonds have credit ratings ranging from BBB to A, indicating an acceptable level of stability by general investment standards.

This round is special for offering attractive interest rates, with the highest at 5.80% per year, presenting a good opportunity to build an investment portfolio for satisfying year-end returns.

1. PTT Global Chemical Public Company Limited (PTTGC)

PTT Global Chemical Public Company Limited (PTTGC) bond issue Expected to issue and offer subordinated hybrid bonds, with principal repaid once upon company liquidation or upon the issuer’s redemption right.

The issuer has the right to defer interest payments and accumulate unpaid interest to be paid at any time to bondholders without limit on timing or frequency at the issuer’s sole discretion.

These are registered bonds, unsecured, non-convertible, with a bondholders' representative; the issuer has early redemption rights and offers the bonds to the public (individual institutional investors can subscribe as general investors only).

• Interest rate: Mixed interest rate: fixed rate for the first 5 years 6 months, then floating rate from 5 years 6 months until maturity, as follows.
  • From issuance to 5 years 6 months maturity, fixed interest rate of 4.40% per year.
  • From 5 years 6 months to 10 years 6 months maturity, interest equals the sum of (a) 5-year government bond yield and (b) initial credit spread.
  • From 10 years 6 months to 25 years 6 months maturity, interest equals the sum of (a) 5-year government bond yield, (b) initial credit spread, and (c) 0.25% per year.
  • From 25 years 6 months onward, interest equals the sum of (a) 5-year government bond yield, (b) initial credit spread, and (c) 1.00% per year.

Interest rates adjust every 5 years from the first redemption date, based on the 5-year government bond yield as of two business days before the adjustment period starts. The initial credit spread is 2.90% per year. Interest is paid semiannually throughout the bond term.

• Subscription period: 27-28 November 2025 and 1-3 December 2025.
• Credit rating: Issuer rated AA-(tha), bonds rated A(tha).
• Bond distribution managers: Bangkok Bank, Krung Thai Bank, Kasikorn Bank, CIMB Thai Bank, Siam Commercial Bank, Krungsri Bank, Kiatnakin Phatra Securities, Krungthai XSpring Securities, Maybank Securities (Thailand), Yuanta Securities (Thailand), and Asia Plus Securities.
• Bondholders' representative: Krungsri Bank.
• Purpose: Repay loan or debt from bond issuance to financial advisors or intermediaries, repay other debts, and provide loans or repay debts within the corporate group.

2. Noble Development Public Company Limited (NOBLE)

Noble Development Public Company Limited (NOBLE) bond issue Issuing and offering non-subordinated, unsecured bonds, paying interest quarterly, available to general and institutional investors (individual institutional investors subscribe as general investors only) as follows.

Series 1

• • Maturity 1 year 6 months, redemption in 2027.
  • Interest rate 5.30% per year.

Series 2

• • Maturity 2 years 11 months, redemption in 2028.
  • Interest rate 5.80% per year.

• Subscription period: 28 November and 1-2 December 2025.
• Bond distribution managers: Asia Plus Securities, Krungthai XSpring Securities, Yuanta Securities (Thailand), Bluebell Securities, Maybank Securities (Thailand), DAO Securities (Thailand), CGS-CIMB Securities International (Thailand), Krungsri Securities, and Asia Plus Securities.
• Bondholders' representative: Asia Plus Securities.
• Credit rating: Issuer rated BBB, bonds rated BBB.
• Purpose: Repay debt from bond issuance.

3. Sansiri Public Company Limited (SIRI)

Sansiri Public Company Limited (SIRI) digital bond issue Issuing and offering digital bonds, non-subordinated, unsecured, 3-year maturity, interest rate 3.60% per year, paying interest quarterly.

• Subscription period:
  • 1-2 December 2025 for general investors who are holders of SIRI25DC bonds.
  • 3 December 2025 for general investors regardless of SIRI25DC bondholding.

Information from ThaiBMA as of 1 Dec 2025.

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