Shandong Glass Fiber Group Co., Ltd. 2026 First Quarter Convertible Bond Conversion Results and Shareholding Changes Announcement

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Stock code: 605006 Stock abbreviation: Shandong Glass Fiber Announcement No.: 2026-035

Bond code: 111001 Bond abbreviation: Shanbo Convertible Bond

Shandong Glass Fiber Group Co., Ltd.

Announcement on the Results of the Conversion of the Convertible Bonds into Shares in the First Quarter of 2026 and Changes in Share Capital

The board of directors of the Company and all directors hereby guarantee that this announcement contains no false records, misleading statements, or material omissions, and shall assume individual and joint liability for the truthfulness, accuracy, and completeness of the contents of this announcement.

Key Information Highlights:

● Cumulative conversion status: As of March 31, 2026, a total of RMB 553,000 of “Shanbo Convertible Bond” has been converted into the Company’s A-share stock, with a cumulative conversion quantity of 48,374 shares. The cumulative conversion quantity accounts for 0.0081% of the total number of shares issued prior to the conversion of “Shanbo Convertible Bond.”

● Unconverted convertible bond balance: As of March 31, 2026, the amount of “Shanbo Convertible Bond” that has not yet been converted is RMB 599,447,000, accounting for 99.9078% of the total issuance volume of “Shanbo Convertible Bond.”

● Conversion status during this quarter: From January 1, 2026 to March 31, 2026, a total of RMB 353,000 of “Shanbo Convertible Bond” has been converted into the Company’s A-share stock, with a conversion quantity of 30,584 shares. The conversion quantity accounts for 0.0051% of the total number of shares issued prior to the conversion of “Shanbo Convertible Bond.”

I. Overview of Issuance and Listing of the Convertible Bonds

(1) Basic information

Approved by the China Securities Regulatory Commission’s “Reply on Approving the Public Issuance of Convertible Corporate Bonds by Shandong Glass Fiber Group Co., Ltd.” (Securities Regulatory Permit [2021] No. 3144), Shandong Glass Fiber Group Co., Ltd. (hereinafter referred to as the “Company”) publicly issued convertible corporate bonds of 6,000,000 lots on November 8, 2021. Each lot has a par value of RMB 100, and the total issuance amount is RMB 600,000,000.

With the consent of the Shanghai Stock Exchange’s self-regulatory decision letter (No. 2021 [459]), the Company’s convertible corporate bonds with a total amount of RMB 600,000,000 have been listed and traded on the Shanghai Stock Exchange starting from December 6, 2021. The bond abbreviation is “Shanbo Convertible Bond,” and the bond code is “111001.”

Pursuant to the provisions of laws and regulations including the “Stock Listing Rules of the Shanghai Stock Exchange,” as well as the terms and conditions set forth in the “募集说明书” of the Company’s public issuance of convertible corporate bonds, the “Shanbo Convertible Bond” issued by the Company is convertible into the Company’s A-share ordinary stock starting from May 12, 2022, with an initial conversion price of RMB 13.91 per share.

(2) Adjustment of the conversion price

As the Company implemented the 2021 annual equity distribution plan, the conversion price of the “Shanbo Convertible Bond” was adjusted from May 10, 2022 to RMB 11.50 per share. For details, see the Company’s “Announcement on the Adjustment of the Conversion Price of ‘Shanbo Convertible Bond’ Caused by the Equity Distribution” (Announcement No.: 2022-031) disclosed on April 29, 2022 on the Shanghai Stock Exchange website (www.sse.com.cn) and in the relevant information disclosure media.

As the Company implemented the 2022 annual equity distribution plan, the conversion price of the “Shanbo Convertible Bond” was adjusted from May 25, 2023 to RMB 11.23 per share. For details, see the Company’s “Announcement on the Adjustment of the Conversion Price of ‘Shanbo Convertible Bond’ Caused by the 2022 Annual Equity Distribution” (Announcement No.: 2023-061) disclosed on May 19, 2023 on the Shanghai Stock Exchange website (www.sse.com.cn) and in the relevant information disclosure media.

As the Company implemented the 2022 equity incentive plan for restricted stock, after the completion of registration of the first grant portion of restricted stock, the conversion price of the “Shanbo Convertible Bond” was adjusted from June 26, 2023 to RMB 11.13 per share. For details, see the Company’s “Announcement on the Adjustment of the Conversion Price for Convertible Bonds” (Announcement No.: 2023-069) disclosed on June 21, 2023 on the Shanghai Stock Exchange website (www.sse.com.cn) and in the relevant information disclosure media.

As the Company implemented the 2022 equity incentive plan for restricted stock, after the completion of registration of the reserved grant portion of restricted stock, the conversion price of the “Shanbo Convertible Bond” was adjusted from June 30, 2023 to RMB 11.12 per share. For details, see the Company’s “Announcement on the Adjustment of the Conversion Price for Convertible Bonds” (Announcement No.: 2023-071) disclosed on June 29, 2023 on the Shanghai Stock Exchange website (www.sse.com.cn) and in the relevant information disclosure media.

As the Company implemented the 2022 equity incentive plan for restricted stock, after the completion of registration on January 17, 2024 of the second reserved grant portion of restricted stock, the conversion price of the “Shanbo Convertible Bond” remained unchanged, still at RMB 11.12 per share. For details, see the Company’s “Announcement on Not Adjusting the Conversion Price of ‘Shanbo Convertible Bond’ After the Completion of Registration of Reserved Grant of the Equity Incentive Restricted Stock” (Announcement No.: 2024-003) disclosed on January 19, 2024 on the Shanghai Stock Exchange website (www.sse.com.cn) and in the relevant information disclosure media.

As the Company implemented the 2023 annual equity distribution plan, the conversion price of the “Shanbo Convertible Bond” was adjusted from June 5, 2024 to RMB 11.07 per share. For details, see the Company’s “Announcement on the Adjustment of the Conversion Price of ‘Shanbo Convertible Bond’ Caused by the 2023 Annual Equity Distribution” (Announcement No.: 2024-029) disclosed on May 29, 2024 on the Shanghai Stock Exchange website (www.sse.com.cn) and in the relevant information disclosure media.

As the Company terminated the implementation of the 2022 equity incentive plan for restricted stock, the repurchase and cancellation of the relevant shares were completed on January 19, 2026 at the Shanghai Branch of China Securities Depository and Clearing Co., Ltd. The conversion price of the “Shanbo Convertible Bond” was adjusted from January 21, 2026 to RMB 11.18 per share. For details, see the Company’s “Announcement on the Completion of the Repurchase and Cancellation of Restricted Stock under the Equity Incentive and the Adjustment of the Conversion Price of ‘Shanbo Convertible Bond’” (Announcement No.: 2026-019) disclosed on January 20, 2026 on the Shanghai Stock Exchange website (www.sse.com.cn) and in the relevant information disclosure media.

As of now, the conversion price of the “Shanbo Convertible Bond” is RMB 11.18 per share.

II. Conversion status of the convertible bonds this time

The conversion start and end dates for the “Shanbo Convertible Bond” publicly issued by the Company are May 12, 2022 to November 7, 2027.

From January 1, 2026 to March 31, 2026, a total of RMB 353,000 of “Shanbo Convertible Bond” has been converted into the Company’s A-share stock, with a conversion quantity of 30,584 shares. The conversion quantity accounts for 0.0051% of the total number of shares issued prior to the conversion of “Shanbo Convertible Bond.”

As of March 31, 2026, a total of RMB 553,000 of “Shanbo Convertible Bond” has been converted into the Company’s A-share stock, with a cumulative conversion quantity of 48,374 shares. The cumulative conversion quantity accounts for 0.0081% of the total number of shares issued prior to the conversion of “Shanbo Convertible Bond.”

As of March 31, 2026, the amount of “Shanbo Convertible Bond” that has not yet been converted is RMB 599,447,000, accounting for 99.9078% of the total issuance volume of “Shanbo Convertible Bond.”

III. Changes in share capital

Unit: Shares

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Note: The Company has terminated the implementation of the 2022 equity incentive plan for restricted stock. The repurchase and cancellation of the equity incentive restricted shares have been completed on January 19, 2026 at the Shanghai Branch of China Securities Depository and Clearing Co., Ltd. As a result, the Company’s shares with limited conditions were reduced by 10,950,200 shares.

IV. Other matters

If investors need to learn about the relevant terms of the “Shanbo Convertible Bond,” please refer to the “募集说明书” of the publicly issued convertible corporate bonds disclosed by the Company on November 4, 2021 on the Shanghai Stock Exchange website (www.sse.com.cn) and in the relevant information disclosure media.

Contact department: Securities Department

Telephone: 0539-7373381

Email: sdbxzqb@shandong-energy.com

This is hereby announced.

Board of Directors of Shandong Glass Fiber Group Co., Ltd.

April 2, 2026

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