Reminder About Trading Suspension and Conversion Cessation for Ronghua 23 Convertible Bond, Anji Convertible Bond, and Guanggli Convertible Bond, and Trading Risk Warning for China-Korea Chip, *ST Changyao, and Yuneng Holdings

Dear Investors:

Rong 23 Convertible Bonds (Bond Code: 113676) have triggered the early redemption condition. The last trading day will be March 19, 2026, and the last conversion date will be March 24, 2026. After the market close on March 24, 2026, any remaining convertible bonds that have not been converted will cease to be convertible and will be forcibly redeemed. After redemption, this bond will be delisted from the Shanghai Stock Exchange.

As of March 12, Rong Sheng Environmental Protection (Stock Code: 603165) closed at 15.27 yuan per share, with a conversion price of 10.14 yuan per share; Rong 23 Convertible Bonds closed at 150.829 yuan per bond, with a redemption price of 100.48 yuan per bond. If you do not trade or do not apply for conversion before the market close on March 19, 2026, or before the market close on March 24, 2026, your bonds will stop trading or converting and will be forcibly redeemed, potentially resulting in losses.

Anji Convertible Bonds (Bond Code: 118054) have also triggered the early redemption condition. The last trading day will be March 23, 2026, and the last conversion date will be March 26, 2026. After the market close on March 26, 2026, any remaining bonds that have not been converted will cease to be convertible and will be forcibly redeemed. After redemption, this bond will be delisted from the Shanghai Stock Exchange.

As of March 12, Anji Technology (Stock Code: 688019) closed at 243.7 yuan per share, with a conversion price of 128.70 yuan per share; Anji Convertible Bonds closed at 189.484 yuan per bond, with a redemption price of 100.2910 yuan per bond. If you do not trade or do not apply for conversion before the market close on March 23, 2026, or before the market close on March 26, 2026, your bonds will stop trading or converting and will be forcibly redeemed, which may lead to losses. If you choose to convert, you must meet the eligibility requirements for the STAR Market.

Guangli Convertible Bonds (Bond Code: 123197) have also triggered the early redemption condition. The last trading day will be April 1, 2026, and the last conversion date will be April 7, 2026. After the market close on April 7, 2026, any bonds not converted will cease to be convertible and will be forcibly redeemed. After redemption, this bond will be delisted from the Shenzhen Stock Exchange.

As of March 12, Guangli Technology (Stock Code: 300480) closed at 31.78 yuan per share, with a conversion price of 21.15 yuan per share; Guangli Convertible Bonds closed at 153.4 yuan per bond, with a redemption price of 101.101 yuan per bond. If you do not trade or do not apply for conversion before the market close on April 1, 2026, or before the market close on April 7, 2026, your bonds will stop trading or converting and will be forcibly redeemed, potentially resulting in losses. If you choose to convert, you must meet the eligibility requirements for the ChiNext Market.

Please carefully read the relevant announcements and pay attention to trading or applying for conversion within the specified deadlines.

The “China-Korea Chip” (513310) Fund’s secondary market trading price is significantly higher than the fund’s net asset value per share, showing a large premium. The fund manager has issued multiple notices warning investors to be aware of the risks of trading price premiums in the secondary market.

The Shanghai Stock Exchange will strictly identify abnormal trading behaviors related to this fund and may take disciplinary measures such as flagging as a key monitoring account, suspending investor account trading, or restricting trading activities. Nanjing Securities reminds you to pay close attention to trading risks, stay updated with announcements, invest rationally, and trade prudently.

*ST Chang Pharmaceutical (Rights Issue) (Stock Code: 300391) received the Shenzhen Stock Exchange’s decision to terminate listing on March 12, 2026. The stock will enter the delisting restructuring period starting March 20, 2026, lasting 15 trading days, with an expected final trading date of April 10, 2026. The stock name will be changed to “ChangYao Tui.” During the restructuring period, the stock will trade on the Shenzhen Risk Warning Board, with no price limit on the first trading day, and a daily limit of 20% thereafter. After the restructuring period, the stock will be delisted from the exchange. For detailed announcements, please visit the exchange’s website or Juchao Information Network.

Nanjing Securities reminds you to pay special attention to the risks associated with this stock, stay informed through company announcements, make cautious decisions, and invest rationally.

Yunnan Energy Holdings (001896) has been placed under key monitoring by the Shenzhen Stock Exchange, starting from March 16, 2026, to March 27, 2026.

The Shenzhen Stock Exchange will strictly regulate investors who frequently and heavily participate in trading of the above stocks or exhibit abnormal trading behaviors. Nanjing Securities reminds you to be aware of trading risks, participate legally and prudently, and act rationally.

Nanjing Securities Co., Ltd.

March 16, 2026