【Answer 1】 /** * The array provides prime numbers smaller than {@code Short.MAX_VALUE} * beginning with 2 in ascending order. */ public static final short[] PRIMES = { 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97, 101, 103, 107, 109, 113, 127, 131, 137, 139, 149, 151, 157, 163, 167, 173, 179, 181, 191, 193, 197, 199, 211, 223, 227, 229, 233, 239, 241, 251, 257, 263, 269, 271, 277, 281, 283, 293, 307, 311, 313, 317, 331, 337, 347, 349, 353, 359, 367, 373, 379, 383, 389, 397, 401, 409, 419, 421, 431, 433, 439, 443, 449, 457, 461, 463, 467, 479, 487, 491, 499, 503, 509, 521, 523, 541, 547, 557, 563, 569, 571, 577, 587, 593, 599, 601, 607, 613, 617, 619, 631, 641, 643, 647, 653, 659, 661, 673, 677, 683, 691, 701, 709, 719, 727, 733, 739, 743, 751, 757, 761, 769, 773, 787, 797, 809, 811, 821, 823, 827, 829, 839, 853, 857, 859, 863, 877, 881, 883, 887, 907, 911, 919, 929, 937, 941,

Equity Change Overview 20250217

【Answer 2】 Restructuring Announcement Aisen Co., Ltd. 1. Target Name & Plan: Target Name: Bonuo (Suzhou) New Materials Co., Ltd. Transaction Plan: Aisen Co., Ltd. intends to acquire a 70% equity stake in Bonuo New Materials held collectively by 11 transaction counterparties through a combination of share issuance and cash payment, and to raise ancillary financing. Target Equity Price: Not yet determined. Share Payment Amount: Not yet specified; the share issuance price is RMB 35 per share. Cash Payment Amount: Not yet specified. Additional Issuance Amount: The amount raised via ancillary financing shall not exceed 100% of the transaction value of the share-for-equity acquisition, and the number of newly issued shares shall not exceed 30% of the listed company’s total share capital prior to this issuance. 2. Target Company Profile: Core Business: Research, development, production, and sales of high-purity OLED intermediates and pre-sublimation materials—novel display materials. Market Position: Committed to R&D and production of key OLED materials and photoresists, covering organic light-emitting materials, hole-transport materials, and electron-transport materials. R&D Capability: Possesses strong R&D capabilities in OLED materials and can provide customers with critical material support. 3. Financial Performance: Revenue and profit data for the target company over the past three years have not been explicitly disclosed; performance commitments remain pending. Jinlihua Electric 1. Target Name & Plan: Target Name: Beijing Haidelisen Technology Co., Ltd. Transaction Plan: Jinlihua Electric intends to acquire 100% equity of Haidelisen through a combination of share issuance and cash payment, and to raise ancillary financing by issuing shares to the listed company’s controlling shareholder. Target Equity Price: Not yet determined. Share Payment Amount: Not yet specified; the share issuance price is RMB 10.50 per share. Cash Payment Amount: Not yet specified. Additional Issuance Amount: Not yet specified. 2. Target Company Profile: Core Business: Haidelisen is an integrated supplier of high-pressure fluid equipment, engaged in R&D, manufacturing, sales, and services. Its main products include high-pressure gas compressors, high-pressure equipment components, and complete high-pressure systems, designed to meet requirements for pressurization, testing, transportation, storage, and control of gases and liquids under high- or ultra-high-pressure conditions. These products are widely applied in aerospace, hydrogen energy, high-pressure special equipment testing, petrochemicals, and other fields. Market Position: As one of China’s earliest enterprises engaged in R&D of hydrogen safety equipment and hydrogen refueling station equipment manufacturing, Haidelisen has participated in formulating more than ten national standards related to hydrogen refueling station safety, hydrogen storage and transportation, and liquid hydrogen storage and transportation. It is a leading enterprise in China’s high-pressure fluid equipment sector. R&D Capability: Haidelisen has been designated as a “National-level Specialized, Refined, Distinctive, and Innovative ‘Little Giant’ Enterprise” and a “Beijing Municipal Private Enterprise Top 100 SMEs.” It has led or participated in multiple scientific research projects and received awards including the “Second Prize of the National Science and Technology Progress Award” and the “First Prize of the General Armament Department.” 3. Financial Performance: Haidelisen’s revenue in 2023 was RMB 229 million, with a net loss of RMB 5.29 million; in 2024, its revenue was RMB 300 million, with net profit of RMB 5.6 million. Performance commitments remain pending. Hailanxin 1. Target Name & Plan: Target Name: Hainan Hailan Huanyu Marine Information Technology Co., Ltd. Transaction Plan: Hailanxin intends to acquire 100% equity of Hailan Huanyu from 17 transaction counterparties—including Hainan Provincial Information Industry Investment Group Co., Ltd.—through a combination of share issuance and cash payment, and to raise ancillary financing.

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