According to the announcement of Pioneer Environmental Protection, the fifth interim meeting of the 9th board of directors of the company in 2026 was held on July 30 to review and pass the bill to appoint the deputy general manager of Maojian Huawei. The term of office will end on the date the term of the 9th board of directors of the company expires. Mao Jianhua has held many positions, does not hold shares in the company, has no relationships with relevant parties in the company, and his qualifications meet the relevant requirements.

According to the announcement of Pioneer Environmental Protection, the fifth interim meeting of the 9th board of directors of the company in 2026 was held on July 30 to review and pass the bill to appoint the deputy general manager of Maojian Huawei. The term of office will end on the date the term of the 9th board of directors of the company expires. Mao Jianhua has held many positions, does not hold shares in the company, has no relationships with relevant parties in the company, and his qualifications meet the relevant requirements.