Guosen Securities Co., Ltd. 2026 Public Offering of Corporate Bonds to Professional Investors (Phase III) Announcement

Guosen Securities Co., Ltd. 2026 Public Offering of Corporate Bonds to Professional Investors (Phase III) Announcement

Issuer Guosen Securities Co., Ltd.

Lead Underwriter/Bookrunner/Trustee China Galaxy Securities Co., Ltd. Address: Building 1, No. 8 Courtyard, Xiying Street, Fengtai District, Beijing, Floors 7-18, Unit 101

Joint Lead Underwriters China Securities Co., Ltd. Address: Building 4, No. 66 Anli Road, Chaoyang District, Beijing

CITIC Securities Company Limited Address: North Block, Phase II, Excellence Times Square, Central Road 8, Futian District, Shenzhen, Guangdong Province

Guotai Haitong Securities Co., Ltd. Address: China (Shanghai) Pilot Free Trade Zone, No. 618 Shangcheng Road

Great Wall Securities Co., Ltd. Address: Floors 10-19, South Tower, Energy Building, No. 2026 Jintian Road, Futian Subdistrict, Futian District, Shenzhen

SDIC Securities Co., Ltd. Address: Anxin Financial Building, No. 119 Fuhua 1st Road, Futian Subdistrict, Futian District, Shenzhen

Signing Date: March 2026

The Company and its directors and senior management guarantee the truthfulness, accuracy, and completeness of the information disclosed in this announcement and shall bear joint and several liability for any false representations, misleading statements, or material omissions.

Important Notes

1. Guosen Securities Co., Ltd. (hereinafter referred to as the "Issuer" or the "Company") obtained approval from the China Securities Regulatory Commission (CSRC) on December 22, 2025, via document [2025]2882, to publicly issue corporate bonds with a total face value not exceeding RMB 30 billion to professional investors (hereinafter referred to as the "Bonds"). The Issuer will issue the Bonds in phases. The Guosen Securities Co., Ltd. 2026 Public Offering of Corporate Bonds to Professional Investors (Phase III) (hereinafter referred to as the "Bonds of this Phase") is the third phase of the Bonds, with a total issuance size not exceeding RMB 3 billion (including RMB 3 billion). The Bonds of this Phase will be issued in two tranches. Tranche 1 is named Guosen Securities Co., Ltd. 2026 Public Offering of Corporate Bonds to Professional Investors (Phase III) (Tranche 1), with the bond abbreviation "26 Guozheng 06"; Tranche 2 is named Guosen Securities Co., Ltd. 2026 Public Offering of Corporate Bonds to Professional Investors (Phase III) (Tranche 2), with the bond abbreviation "26 Guozheng 07". The Bonds of this Phase will have an option for tranche reallocation. Reallocation between tranches is permitted without limitation. The Issuer and the lead underwriters will, based on the subscription situation of the Bonds of this Phase, and within the total issuance size, jointly decide whether to exercise the tranche reallocation option, which means reducing the issuance size of one tranche and increasing the issuance size of the other tranche by the same amount. The issuance size of a single tranche will not exceed 100% of its maximum issuance size.

2. The face value of each bond of this Phase is RMB 100. The issuance size will not exceed 30 million bonds, and the issuance price will be RMB 100 per bond.

3. In accordance with the "Securities Law" and other relevant regulations, the Bonds of this Phase are exclusively issued to professional institutional investors. Retail investors and individual investors among professional investors are not permitted to participate in the subscription. After listing, the Bonds of this Phase will be subject to investor suitability management, and trading will be limited to professional institutional investors. Any subscription or purchase transaction by retail investors and individual investors among professional investors will be invalid.

4. According to the comprehensive rating by China Chengxin International Credit Rating Co., Ltd., the Issuer's long-term主体 (entity) credit rating is AAA, with a stable outlook. The credit rating for the Bonds of this Phase is AAA.