证券代码：000985 证券简称：大庆华科 公告编号：2026007 大庆华科股份有限公司 股票交易异常波动公告 公司及董事会全体成员保证信息披露的内容真实、准确、完整， 没有虚假记载、误导性陈述或重大遗漏。 一、股票交易异常波动的情况介绍 大庆华科股份有限公司（以下简称"公司"或"本公司"）股票 （证券简称：大庆华科，证券代码：000985）连续三个交易日（2026 年 2 月 27 日、3 月 2 日、3 月 3 日）收盘价格涨幅累计偏离 20.56%。 根据深圳证券交易所（以下简称深交所）的有关规定，属于股票交易 异常波动的情况。 二、公司关注并核实情况说明 针对公司股票交易异常波动，公司对有关事项进行了核查，并以 邮件、电话等方式问询了控股股东、实际控制人，现将有关情况说明 如下： 1、公司前期披露的信息不存在需要更正、补充之处。 2、公司未发现近期公共传媒报道可能或已经对本公司股票交易 价格产生较大影响的未公开重大信息。 4、公司、控股股东和实际控制人不存在关于本公司的应披露而 未披露的重大事项，或处于筹划阶段的重大事项。 5、在上述的本公司股票交易异常波动期间，控股股东和实际控 制人未买卖本公司股 ...

编号：黑司律见字【2026】0227-1 号 大庆华科股份有限公司 二〇二六年第一次临时股东会 法 律 意 见 黑龙江司洋律师事务所关于 大庆华科股份有限公司 2026 年第一次临时股东会 法律意见书 书 黑龙江司洋律师事务所 二〇二六年二月二十七日 大庆华科 2026 年第一次临时股东会 司洋 法律意见书 致：大庆华科股份有限公司 根据《中华人民共和国证券法》（以下简称《证券法》）、《中华人 民共和国公司法》（以下简称《公司法》）和中国证券监督管理委员会《上 市公司股东会规则》（以下简称《股东会规则》）等法律、行政法规、规 范性文件及《大庆华科股份有限公司章程》（以下简称《公司章程》）的 要求，黑龙江司洋律师事务所（以下简称本所）接受大庆华科股份有限公 司（以下简称公司）的委托，指派律师出席公司 2026 年第一次临时股东会 （以下简称本次股东会）。 本所声明：本所律师仅对本次股东会的召集程序、召开程序、出席会 议人员资格、召集人资格、表决程序、表决结果及会议决议发表法律意见， 并不对本次股东会所审议的议案、议案所涉及的数字及内容发表意见。本 所律师同意将本法律意见书随本次股东会其他信息披露资料一并公告。 ...

证券代码：000985 证券简称：大庆华科 公告编号：2026006 大庆华科股份有限公司 （1）现场会议召开时间：2026年2月27日（星期五）14:30。 （2）网络投票时间：通过深圳证券交易所交易系统进行网络投票 的 具 体 时 间 为 ： 2026 年 2 月 27 日 9:15—9:25 ， 9:30—11:30 和 13:00—15:00。 通过深圳证券交易所互联网投票系统进行网络投票的具体时间为： 2026年2月27日9:15--15:00。 2、会议召开地点：大庆市龙凤区兴化北街8号公司办公楼一楼会议 室。 特别提示： 1、本次股东会没有出现否决提案的情形。 2、本次股东会不涉及变更以往股东会已通过的决议。 一、会议召开和出席情况 3、召开方式：现场投票与网络投票相结合的方式。 1、会议召开时间 2026年第一次临时股东会决议公告 本公司及董事会全体成员保证信息披露的内容真实、准确、完整， 没有虚假记载、误导性陈述或者重大遗漏。 5、主持人：张彩虹女士。 4、召集人：公司董事会。 6、本次会议的召集、召开及表决方式符合《公司法》《上市公司 1 7、会议的出席情况 （1）股东出席会议的总体情况 ...

Group 1 - The core viewpoint of the article is that Daqing Huake (000985) has clarified the applications of its C5 and C9 series petroleum resin products in various industries [1] Group 2 - The C5 series petroleum resin products are primarily used in pressure-sensitive adhesives, hot melt adhesives, road marking paint, rubber tackifiers, and printing ink additives [1] - The C9 series petroleum resin products are mainly applied in unsaturated resins, colored asphalt, paints, adhesives, inks, and rubber [1]

Meeting Information - The company will hold its first extraordinary general meeting of shareholders for 2026 on February 27, 2026, at 14:30 [1] - The meeting will combine on-site voting and online voting [3] - The record date for shareholders to attend the meeting is February 13, 2026 [4] Voting Details - On-site voting will occur on February 27, 2026, from 14:30, while online voting will be available from 9:15 to 9:25, 9:30 to 11:30, and 13:00 to 15:00 [2] - Shareholders can participate in online voting through the Shenzhen Stock Exchange system [12] Attendance Requirements - Shareholders or their agents holding shares as of the record date are eligible to attend the meeting [4] - The meeting will also include company directors, senior management, and appointed lawyers [5][6] Agenda and Proposals - The meeting will review proposals that have been approved by the board on January 29, 2026 [8] - One of the proposals requires a special resolution, needing more than two-thirds of the voting rights held by attending shareholders to pass [9] Registration Process - Registration for corporate shareholders requires specific documentation, including identification and authorization letters [10] - Individual shareholders must present their identification and proof of shareholding as of the record date [10] Contact Information - The company has provided contact details for inquiries regarding the meeting [11]

证券代码：000985 证券简称：大庆华科 公告编号：2026005 大庆华科股份有限公司关于召开 2026 年第一次临时股东会的提示性公告 4、会议时间： （1）现场会议时间：2026 年 02 月 27 日 14:30 （2）网络投票时间：通过深圳证券交易所系统进行网络投票的具 体时间为 2026 年 02 月 27 日 9:15-9:25，9:30-11:30，13:00-15:00； 通过深圳证券交易所互联网投票系统投票的具体时间为 2026 年 02 月 27 日 9:15 至 15:00 的任意时间。 5、会议的召开方式：现场表决与网络投票相结合。 本公司及董事会全体成员保证信息披露的内容真实、准确、完整， 没有虚假记载、误导性陈述或重大遗漏。 大庆华科股份有限公司（以下简称"公司"）定于 2026 年 2 月 27 日（星期五）14:30 召开 2026 年第一次临时股东会（以下简称"本次 股东会"）。会议通知公告（公告编号 2026004）已于 2026 年 1 月 30 日 在巨潮资讯网(http://www.cninfo.com.cn) 、《中国证券报》及《上 海证券报》上发布。本次股东会 ...

Group 1 - The company will hold a temporary shareholders' meeting on February 27, 2026, to review the amendment of the Articles of Association, specifically to clarify the election method of the legal representative [2] - The meeting will combine on-site and online voting, with the record date for shareholding set for February 13, 2026 [2] - The company has released a performance forecast for the year 2025, expecting a net profit of 3.5 million to 4.5 million yuan, representing a year-on-year decline of 70.93% to 77.39% [2] Group 2 - Market analysis mentions expectations of a restructuring, but this is based on public information speculation and not confirmed by the company [3]

Market Overview - The refining and trading sector experienced a decline of 0.77% on February 3, with ST Shenhua leading the drop [1] - The Shanghai Composite Index closed at 4067.74, up 1.29%, while the Shenzhen Component Index closed at 14127.1, up 2.19% [1] Stock Performance - Notable gainers in the refining and trading sector included: - Runbei Hangke (001316) with a closing price of 56.33, up 10.00% [1] - Heshun Petroleum (603353) at 38.65, up 5.83% [1] - Tongkun Co. (601233) at 20.99, up 4.48% [1] - Conversely, ST Shenhua (000698) saw a decline of 3.04%, closing at 3.83 [2] Trading Volume and Capital Flow - The total trading volume for the refining and trading sector showed a net outflow of 79.01 million yuan from main funds, with retail investors contributing a net inflow of 244 million yuan [2] - The capital flow for individual stocks indicated that: - Guanghui Energy (600256) had a net inflow of 48.13 million yuan from main funds [3] - China Petroleum (601857) recorded a net inflow of 45.05 million yuan from main funds [3] - Runbei Hangke (001316) had a net inflow of 46.34 million yuan from main funds [3]

Earnings Forecasts - Shengyi Electronics expects a net profit of 1.431 billion to 1.513 billion yuan in 2025, an increase of 331.03% to 355.88% year-on-year [1] - Tigermed anticipates a net profit of 830 million to 1.23 billion yuan in 2025, representing a growth of 105% to 204% year-on-year [2] - Shunbo Alloy forecasts a net profit of 210 million to 270 million yuan in 2025, with an increase of 222.96% to 315.23% year-on-year [3] - Jinkong Electric expects a net profit of 155 million to 195 million yuan in 2025, reflecting a growth of 383.21% to 507.9% year-on-year [9] - Baiao Saitu anticipates a net profit of 162 million to 182 million yuan in 2025, with a year-on-year increase of 384.26% to 443.88% [18] - Panjiang Co. expects a net profit of 318 million to 380 million yuan in 2025, representing a growth of 205.30% to 264.83% year-on-year [38] Loss Forecasts - Liaoning Energy predicts a net loss of 273 million to 410 million yuan in 2025, compared to a profit of 202 million yuan in the previous year [5] - Anbotong anticipates a net loss of 114 million to 165 million yuan in 2025, with a revenue decrease of 19.65% to 27.25% [7] - Wantai Bio forecasts a net loss of 330 million to 410 million yuan in 2025, compared to a profit of 106 million yuan in the previous year [12] - Xingyun Co. expects a net loss of 155 million to 230 million yuan in 2025, compared to a loss of 82.44 million yuan in the previous year [20] - Huaxing Co. anticipates a net loss of 800 million to 1.2 billion yuan in 2025, with a reduction in loss compared to 1.67 billion yuan in the previous year [46] New Product Approvals - Hengrui Medicine received acceptance for a new indication application for its innovative drug, combining Carrelizumab and Apatinib for treating unresectable liver cancer [4] - Tianen Kang's subsidiary received a drug registration acceptance notice for Lidocaine and Prilocaine aerosol [31] - Lisheng Pharmaceutical announced that its Aminophylline tablets passed the consistency evaluation for generic drugs [40] Share Buyback Plans - Hengyuan Coal Power plans to repurchase shares with a total amount not less than 200 million yuan and not exceeding 250 million yuan [13] Contract Wins - China Communication Signal Co. won contracts totaling approximately 5.26 billion yuan for 21 important projects in the railway and urban rail transit markets [37]

Group 1 - The company Daqing Huake expects a net profit attributable to shareholders of 6 million to 7.8 million yuan for 2025, representing a year-on-year decline of 47.25% to 59.42% [1] - The basic earnings per share are projected to be between 0.046 yuan and 0.06 yuan [1] - The main reasons for the profit decline include a general downward trend in international oil prices, lack of significant improvement in product market demand, and reduced profit margins for chemical products [1] Group 2 - The increase in deferred income tax expenses is significantly impacted by temporary differences in accounting and tax laws [1] - The overall market conditions have led to a substantial year-on-year decrease in the company's net profit [1]