Group 1: Market Performance - As of February 28, 2025, the North Exchange 50 Index closed at 1306.98 points, reflecting a weekly decline of 2.85%[28] - The average PE ratio for North Exchange A-shares increased to 43.69X, while the PE ratios for the Sci-Tech Innovation Board and the ChiNext decreased to 54.52X and 37.77X, respectively[23] - The average daily trading volume for North Exchange A-shares reached 34.541 billion yuan, up 7.41% from the previous week[24] Group 2: Fund Performance - Multiple North Exchange theme funds reached new net asset value highs, with 12 funds achieving this milestone on February 27, 2025[14] - The average return for North Exchange theme funds in 2025 has reached 24.16%, significantly higher than the 2024 annual return of 14.52%[18] - The average returns for passive index funds related to North Exchange 50, Sci-Tech Innovation 50, CSI 300, and ChiNext were 28.01%, 12.64%, 1.13%, and 5.35%, respectively[20] Group 3: IPO and Valuation Insights - As of February 28, 2025, there were 122 companies on the North Exchange with a PE TTM exceeding 45X, accounting for 46.21% of the total[32] - The number of companies with a PE TTM in the range of 0-30X decreased by 6 compared to the previous peak in November 2024[32] - One company terminated its IPO registration, while another company has completed its registration as of February 28, 2025[4]

1 广东天承科技股份有限公司 首次公开发行股票并在科创板上市 发行公告 保荐人（主承销商）： 重要提示 广东天承科技股份有限公司（以下简称"天承科技"、"发行人"或"公司"）根 据中国证券监督管理委员会（以下简称"中国证监会"、"证监会"）颁布的《证 券发行与承销管理办法》（证监会令〔第 208 号〕）（以下简称"《管理办法》"）、 《首次公开发行股票注册管理办法》（证监会令〔第 205 号〕），上海证券交易 所（以下简称"上交所"）颁布的《上海证券交易所首次公开发行证券发行与承 销业务实施细则》（上证发〔2023〕33 号）（以下简称"《实施细则》"）、 《上海市场首次公开发行股票网上发行实施细则（2023 年修订）》（上证发〔2023〕 35 号）（以下简称"《网上发行实施细则》"）、《上海市场首次公开发行股 票网下发行实施细则（2023 年修订）》（上证发〔2023〕36 号）（以下简称"《网 下发行实施细则》"），中国证券业协会颁布的《首次公开发行证券承销业务规 则》（中证协发〔2023〕18 号）（以下简称"《承销业务规则》"）、《首次 公开发行证券网下投资者管理规则》以及《首次公开发行证券网下投资 ...